MPEG4Extractor.cpp revision c51ab7dd82bf4e24666fc72a55e03e2f530204d5
120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber/* 220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Copyright (C) 2009 The Android Open Source Project 320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * you may not use this file except in compliance with the License. 620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * You may obtain a copy of the License at 720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 1020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Unless required by applicable law or agreed to in writing, software 1120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * See the License for the specific language governing permissions and 1420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * limitations under the License. 1520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber */ 1620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1756997121c5031598fbbba7b7c53980b7fd529c2dMarco Nelissen//#define LOG_NDEBUG 0 1820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#define LOG_TAG "MPEG4Extractor" 1989e69da4d86348409994c9dafbbb2634ccd7c196Andreas Huber 2020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <ctype.h> 21a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn#include <inttypes.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <stdint.h> 2320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <stdlib.h> 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <string.h> 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 26a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn#include <utils/Log.h> 27a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn 28a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn#include "include/MPEG4Extractor.h" 29a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn#include "include/SampleTable.h" 30a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn#include "include/ESDS.h" 31a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn 32aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke#include <media/stagefright/foundation/ABitReader.h> 33d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson#include <media/stagefright/foundation/ABuffer.h> 34ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#include <media/stagefright/foundation/ADebug.h> 35a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber#include <media/stagefright/foundation/AMessage.h> 36bfed843041b6aaec13ee19996748a7a1476db9c8Lajos Molnar#include <media/stagefright/foundation/AUtils.h> 3720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBuffer.h> 3820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBufferGroup.h> 3918291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber#include <media/stagefright/MediaDefs.h> 4020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaSource.h> 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MetaData.h> 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/String8.h> 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 44fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé#include <byteswap.h> 45328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé#include "include/ID3.h" 46fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 4720111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Source : public MediaSource { 5020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 5120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Caller retains ownership of both "dataSource" and "sampleTable". 52942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen MPEG4Source(const sp<MPEG4Extractor> &owner, 53942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen const sp<MetaData> &format, 54693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 5548c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 5605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 5705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 58c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *trex, 5905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset); 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t start(MetaData *params = NULL); 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t stop(); 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual sp<MetaData> getFormat(); 6520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); 6705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t fragmentedRead(MediaBuffer **buffer, const ReadOptions *options = NULL); 6820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 69693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 70693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Source(); 71693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 7220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 737b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex mLock; 747b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 75942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen // keep the MPEG4Extractor around, since we're referencing its data 76942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen sp<MPEG4Extractor> mOwner; 7720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> mFormat; 78693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 7920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t mTimescale; 80693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> mSampleTable; 8120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t mCurrentSampleIndex; 8205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentFragmentIndex; 8305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &mSegments; 84c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *mTrex; 8505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mFirstMoofOffset; 8605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mCurrentMoofOffset; 8705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mNextMoofOffset; 8805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentTime; 8905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mLastParsedTrackId; 9005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mTrackId; 9120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 92ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mCryptoMode; // passed in from extractor 93ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mDefaultIVSize; // passed in from extractor 94ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t mCryptoKey[16]; // passed in from extractor 95ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoType; 96ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoTypeParameter; 9748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t mCurrentDefaultSampleInfoSize; 98ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoCount; 99ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoAllocSize; 100ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t* mCurrentSampleInfoSizes; 101ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetCount; 102ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetsAllocSize; 103ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t* mCurrentSampleInfoOffsets; 104ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 10520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mIsAVC; 1063b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar bool mIsHEVC; 1076064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t mNALLengthSize; 1086064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 10920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mStarted; 11020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBufferGroup *mGroup; 11220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer *mBuffer; 11420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 115dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool mWantsNALFragments; 11620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1170024245e134467d120b40099da16c467dc365e76Andreas Huber uint8_t *mSrcBuffer; 1180024245e134467d120b40099da16c467dc365e76Andreas Huber 1196064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t parseNALSize(const uint8_t *data) const; 12005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseChunk(off64_t *offset); 12105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentHeader(off64_t offset, off64_t size); 12205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentRun(off64_t offset, off64_t size); 123ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationSizes(off64_t offset, off64_t size); 124ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationOffsets(off64_t offset, off64_t size); 12505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 12605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct TrackFragmentHeaderInfo { 12705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum Flags { 12805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kBaseDataOffsetPresent = 0x01, 12905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDescriptionIndexPresent = 0x02, 13005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleDurationPresent = 0x08, 13105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleSizePresent = 0x10, 13205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleFlagsPresent = 0x20, 13305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDurationIsEmpty = 0x10000, 13405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 13505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 13605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mTrackID; 13705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mFlags; 13805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mBaseDataOffset; 13905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mSampleDescriptionIndex; 14005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleDuration; 14105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleSize; 14205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleFlags; 14305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 14405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mDataOffset; 14505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 14605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen TrackFragmentHeaderInfo mTrackFragmentHeaderInfo; 14705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 14805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct Sample { 14905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset; 15005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t size; 15105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t duration; 152c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen int32_t compositionOffset; 153ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t iv[16]; 154ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> clearsizes; 155ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> encryptedsizes; 15605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 15705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<Sample> mCurrentSamples; 1586064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 15920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source(const MPEG4Source &); 16020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source &operator=(const MPEG4Source &); 16120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 16220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 16350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This custom data source wraps an existing one and satisfies requests 16450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// falling entirely within a cached range from the cache while forwarding 16550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// all remaining requests to the wrapped datasource. 16650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This is used to cache the full sampletable metadata for a single track, 16750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// possibly wrapping multiple times to cover all tracks, i.e. 16850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// Each MPEG4DataSource caches the sampletable metadata for a single track. 16950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstruct MPEG4DataSource : public DataSource { 17150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const sp<DataSource> &source); 17250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual status_t initCheck() const; 174c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual ssize_t readAt(off64_t offset, void *data, size_t size); 175c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual status_t getSize(off64_t *size); 17650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual uint32_t flags(); 17750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 178c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t setCachedRange(off64_t offset, size_t size); 17950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprotected: 18150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual ~MPEG4DataSource(); 18250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprivate: 18450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex mLock; 18550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber sp<DataSource> mSource; 187c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mCachedOffset; 18850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber size_t mCachedSize; 18950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber uint8_t *mCache; 19050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber void clearCache(); 19250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const MPEG4DataSource &); 19450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource &operator=(const MPEG4DataSource &); 19550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber}; 19650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::MPEG4DataSource(const sp<DataSource> &source) 19850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber : mSource(source), 19950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset(0), 20050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize(0), 20150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache(NULL) { 20250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::~MPEG4DataSource() { 20550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 20650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Hubervoid MPEG4DataSource::clearCache() { 20950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (mCache) { 21050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber free(mCache); 21150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache = NULL; 21250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 21350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset = 0; 21550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize = 0; 21650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 21750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstatus_t MPEG4DataSource::initCheck() const { 21950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->initCheck(); 22050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 22150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 222c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t MPEG4DataSource::readAt(off64_t offset, void *data, size_t size) { 22350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex::Autolock autoLock(mLock); 22450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 225bfed843041b6aaec13ee19996748a7a1476db9c8Lajos Molnar if (isInRange(mCachedOffset, mCachedSize, offset, size)) { 22650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber memcpy(data, &mCache[offset - mCachedOffset], size); 22750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return size; 22850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 22950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 23050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->readAt(offset, data, size); 23150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 23250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 233c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4DataSource::getSize(off64_t *size) { 23450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->getSize(size); 23550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 23650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 23750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberuint32_t MPEG4DataSource::flags() { 23850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->flags(); 23950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 24050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 241c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4DataSource::setCachedRange(off64_t offset, size_t size) { 24250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex::Autolock autoLock(mLock); 24350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 24550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache = (uint8_t *)malloc(size); 24750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (mCache == NULL) { 24950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return -ENOMEM; 25050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 25150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset = offset; 25350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize = size; 25450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber ssize_t err = mSource->readAt(mCachedOffset, mCache, mCachedSize); 25650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (err < (ssize_t)size) { 25850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 25950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 26050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return ERROR_IO; 26150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 26250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 26350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return OK; 26450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 26550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 26650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 26750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 268b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampestatic const bool kUseHexDump = false; 269b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe 27020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatic void hexdump(const void *_data, size_t size) { 27120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const uint8_t *data = (const uint8_t *)_data; 27220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t offset = 0; 27320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (offset < size) { 274377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT printf("0x%04zx ", offset); 27520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 27620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t n = size - offset; 27720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (n > 16) { 27820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber n = 16; 27920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 28020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 28120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (size_t i = 0; i < 16; ++i) { 28220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (i == 8) { 28320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 28420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 28520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 28620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (offset + i < size) { 28720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("%02x ", data[offset + i]); 28820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 28920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 29020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 29120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 29220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 29320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 29420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 29520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (size_t i = 0; i < n; ++i) { 29620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (isprint(data[offset + i])) { 29720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("%c", data[offset + i]); 29820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 29920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("."); 30020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 30120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 30220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("\n"); 30420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber offset += 16; 30620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 30720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 30820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30918291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huberstatic const char *FourCC2MIME(uint32_t fourcc) { 31020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber switch (fourcc) { 31120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'a'): 31218291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AAC; 31320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 31420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 'a', 'm', 'r'): 31518291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AMR_NB; 31620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 317371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber case FOURCC('s', 'a', 'w', 'b'): 31818291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AMR_WB; 319371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 32020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'v'): 32118291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_MPEG4; 32220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 32320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', '2', '6', '3'): 324e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('h', '2', '6', '3'): 325e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('H', '2', '6', '3'): 32618291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_H263; 32720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 32820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', '1'): 32918291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_AVC; 33020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3313b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'v', 'c', '1'): 3323b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'e', 'v', '1'): 3333b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar return MEDIA_MIMETYPE_VIDEO_HEVC; 33420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber default: 335dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(!"should not be here."); 33620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 33720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 33820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 33920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 34048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissenstatic bool AdjustChannelsAndRate(uint32_t fourcc, uint32_t *channels, uint32_t *rate) { 34148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, FourCC2MIME(fourcc))) { 34248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // AMR NB audio is always mono, 8kHz 34348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *channels = 1; 34448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *rate = 8000; 34548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return true; 34648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, FourCC2MIME(fourcc))) { 34748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // AMR WB audio is always mono, 16kHz 34848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *channels = 1; 34948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *rate = 16000; 35048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return true; 35148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 35248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return false; 35348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen} 35448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 355693d271e62a3726689ff68f4505ba49228eb94b2Andreas HuberMPEG4Extractor::MPEG4Extractor(const sp<DataSource> &source) 356c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen : mMoofOffset(0), 357928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMoofFound(false), 358928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMdatFound(false), 35905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource(source), 360bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck(NO_INIT), 3617be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber mHasVideo(false), 362fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale(0), 36320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mFirstTrack(NULL), 36472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mLastTrack(NULL), 365dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFileMetaData(new MetaData), 366dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF(NULL), 367dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mIsDrm(false) { 36820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 36920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 37020111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Extractor::~MPEG4Extractor() { 37120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 37220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (track) { 37320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next = track->next; 37420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 37520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete track; 37620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = next; 37720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 37820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mFirstTrack = mLastTrack = NULL; 379dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 380dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 381dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf) { 382dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *next = sinf->next; 3838da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen delete[] sinf->IPMPData; 384dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang delete sinf; 385dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = next; 386dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 387dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF = NULL; 388ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 389ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 390ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen delete [] mPssh[i].data; 391ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 39220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 39320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 39405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenuint32_t MPEG4Extractor::flags() const { 39505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return CAN_PAUSE | 39605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ((mMoofOffset == 0 || mSidxEntries.size() != 0) ? 39705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK) : 0); 39805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 39905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4007be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Hubersp<MetaData> MPEG4Extractor::getMetaData() { 4017be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber status_t err; 4027be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber if ((err = readMetaData()) != OK) { 40372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return new MetaData; 4047be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber } 4057be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 40672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return mFileMetaData; 4077be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber} 4087be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 409693d271e62a3726689ff68f4505ba49228eb94b2Andreas Hubersize_t MPEG4Extractor::countTracks() { 41020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 41120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 412ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Extractor::countTracks: no tracks"); 413693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return 0; 41420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 41520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 416693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber size_t n = 0; 41720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 41820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (track) { 419693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber ++n; 42020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 42120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 42220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 423a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("MPEG4Extractor::countTracks: %zu tracks", n); 424693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return n; 42520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 42620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4277e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Hubersp<MetaData> MPEG4Extractor::getTrackMetaData( 4287e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber size_t index, uint32_t flags) { 42920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 43020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 43120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 43220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 43320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 43420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 43520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (index > 0) { 43620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (track == NULL) { 43720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 43820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 43920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 44020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 44120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber --index; 44220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 44320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 444371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber if (track == NULL) { 445371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber return NULL; 446371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber } 447371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 4487e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber if ((flags & kIncludeExtensiveMetaData) 4497e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber && !track->includes_expensive_metadata) { 4507e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber track->includes_expensive_metadata = true; 4517e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber 4527e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber const char *mime; 4537e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber CHECK(track->meta->findCString(kKeyMIMEType, &mime)); 4547e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber if (!strncasecmp("video/", mime, 6)) { 45505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mMoofOffset > 0) { 45605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t duration; 45705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (track->meta->findInt64(kKeyDuration, &duration)) { 45805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // nothing fancy, just pick a frame near 1/4th of the duration 45905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta->setInt64( 46005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyThumbnailTime, duration / 4); 46105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 46205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 46305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleIndex; 46405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleTime; 46505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (track->sampleTable->findThumbnailSample(&sampleIndex) == OK 46605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen && track->sampleTable->getMetaDataForSample( 46705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleIndex, NULL /* offset */, NULL /* size */, 46805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen &sampleTime) == OK) { 46905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta->setInt64( 47005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyThumbnailTime, 47105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ((int64_t)sampleTime * 1000000) / track->timescale); 47205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 4737e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4747e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4757e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4767e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber 47720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return track->meta; 47820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 47920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 48048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissenstatic void MakeFourCCString(uint32_t x, char *s) { 48148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[0] = x >> 24; 48248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[1] = (x >> 16) & 0xff; 48348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[2] = (x >> 8) & 0xff; 48448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[3] = x & 0xff; 48548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[4] = '\0'; 48648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen} 48748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 48820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Extractor::readMetaData() { 489bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (mInitCheck != NO_INIT) { 490bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return mInitCheck; 49120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 49220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 493c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset = 0; 49420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 495928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang bool sawMoovOrSidx = false; 496928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 497928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang while (!(sawMoovOrSidx && (mMdatFound || mMoofFound))) { 498a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen off64_t orig_offset = offset; 49905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen err = parseChunk(&offset, 0); 500a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen 5014ff2a0dbb178c4ea652f30aa4f1d3deb9fdbc832Lajos Molnar if (err != OK && err != UNKNOWN_ERROR) { 5024ff2a0dbb178c4ea652f30aa4f1d3deb9fdbc832Lajos Molnar break; 5034ff2a0dbb178c4ea652f30aa4f1d3deb9fdbc832Lajos Molnar } else if (offset <= orig_offset) { 504a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen // only continue parsing if the offset was advanced, 505a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen // otherwise we might end up in an infinite loop 506ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGE("did not advance: %lld->%lld", (long long)orig_offset, (long long)offset); 507a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen err = ERROR_MALFORMED; 508a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen break; 509928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang } else if (err == UNKNOWN_ERROR) { 510928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang sawMoovOrSidx = true; 51105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 51220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 5137be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 514bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (mInitCheck == OK) { 51572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mHasVideo) { 516bc8b5faec8a0a9ad7c8d94945e7b000d63f0afe6Andreas Huber mFileMetaData->setCString( 517bc8b5faec8a0a9ad7c8d94945e7b000d63f0afe6Andreas Huber kKeyMIMEType, MEDIA_MIMETYPE_CONTAINER_MPEG4); 51872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 51972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyMIMEType, "audio/mp4"); 52072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 521bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } else { 522bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck = err; 52320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 52420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 525bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber CHECK_NE(err, (status_t)NO_INIT); 526ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 527ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // copy pssh data into file metadata 528c9b255b7f771f55462cadd34e109bfee3bf80a3aMarco Nelissen uint64_t psshsize = 0; 529ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 530ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen psshsize += 20 + mPssh[i].datalen; 531ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 532c9b255b7f771f55462cadd34e109bfee3bf80a3aMarco Nelissen if (psshsize > 0 && psshsize <= UINT32_MAX) { 533ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char *buf = (char*)malloc(psshsize); 534ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char *ptr = buf; 535ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 536ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(ptr, mPssh[i].uuid, 20); // uuid + length 537ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(ptr + 20, mPssh[i].data, mPssh[i].datalen); 538ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ptr += (20 + mPssh[i].datalen); 539ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 540ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFileMetaData->setData(kKeyPssh, 'pssh', buf, psshsize); 541ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(buf); 542ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 543bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return mInitCheck; 54420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 54520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 546dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wangchar* MPEG4Extractor::getDrmTrackInfo(size_t trackID, int *len) { 547dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mFirstSINF == NULL) { 548dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return NULL; 549dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 550dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 551dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 552dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf && (trackID != sinf->trackID)) { 553dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = sinf->next; 554dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 555dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 556dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (sinf == NULL) { 557dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return NULL; 558dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 559dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 560dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *len = sinf->len; 561dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return sinf->IPMPData; 562dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 563dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 564dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang// Reads an encoded integer 7 bits at a time until it encounters the high bit clear. 56556997121c5031598fbbba7b7c53980b7fd529c2dMarco Nelissenstatic int32_t readSize(off64_t offset, 566dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang const sp<DataSource> DataSource, uint8_t *numOfBytes) { 567dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint32_t size = 0; 568dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t data; 569dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool moreData = true; 570dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *numOfBytes = 0; 571dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 572dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (moreData) { 573dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (DataSource->readAt(offset, &data, 1) < 1) { 574dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return -1; 575dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 576dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang offset ++; 577dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang moreData = (data >= 128) ? true : false; 578dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size = (size << 7) | (data & 0x7f); // Take last 7 bits 579dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang (*numOfBytes) ++; 580dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 581dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 582dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return size; 583dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 584dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 58584333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MPEG4Extractor::parseDrmSINF( 58684333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber off64_t * /* offset */, off64_t data_offset) { 587dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t updateIdTag; 588dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &updateIdTag, 1) < 1) { 589dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 590dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 591dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 592dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 593dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x01/*OBJECT_DESCRIPTOR_UPDATE_ID_TAG*/ != updateIdTag) { 594dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 595dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 596dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 597dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t numOfBytes; 598dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t size = readSize(data_offset, mDataSource, &numOfBytes); 599dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size < 0) { 600dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 601dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 602dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 603dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 604dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while(size >= 11 ) { 605dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t descriptorTag; 606dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &descriptorTag, 1) < 1) { 607dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 608dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 609dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 610dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 611dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x11/*OBJECT_DESCRIPTOR_ID_TAG*/ != descriptorTag) { 612dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 613dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 614dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 615dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t buffer[8]; 616dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang //ObjectDescriptorID and ObjectDescriptor url flag 617dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, buffer, 2) < 2) { 618dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 619dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 620dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += 2; 621dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 622dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if ((buffer[1] >> 5) & 0x0001) { //url flag is set 623dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 624dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 625dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 626dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, buffer, 8) < 8) { 627dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 628dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 629dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += 8; 630dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 631dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if ((0x0F/*ES_ID_REF_TAG*/ != buffer[1]) 632dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang || ( 0x0A/*IPMP_DESCRIPTOR_POINTER_ID_TAG*/ != buffer[5])) { 633dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 634dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 635dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 636dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = new SINF; 637dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->trackID = U16_AT(&buffer[3]); 638dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->IPMPDescriptorID = buffer[7]; 639dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->next = mFirstSINF; 640dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF = sinf; 641dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 642dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size -= (8 + 2 + 1); 643dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 644dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 645dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size != 0) { 646dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 647dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 648dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 649dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &updateIdTag, 1) < 1) { 650dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 651dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 652dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 653dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 654dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if(0x05/*IPMP_DESCRIPTOR_UPDATE_ID_TAG*/ != updateIdTag) { 655dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 656dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 657dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 658dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size = readSize(data_offset, mDataSource, &numOfBytes); 659dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size < 0) { 660dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 661dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 662dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 663dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 664dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (size > 0) { 665dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t tag; 666dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t dataLen; 667dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &tag, 1) < 1) { 668dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 669dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 670dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 671dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 672dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x0B/*IPMP_DESCRIPTOR_ID_TAG*/ == tag) { 673dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t id; 674dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dataLen = readSize(data_offset, mDataSource, &numOfBytes); 675dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (dataLen < 0) { 676dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 677dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else if (dataLen < 4) { 678dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 679dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 680dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 681dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 682dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &id, 1) < 1) { 683dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 684dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 685dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 686dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 687dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 688dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf && (sinf->IPMPDescriptorID != id)) { 689dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = sinf->next; 690dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 691dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (sinf == NULL) { 692dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 693dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 694dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->len = dataLen - 3; 6958da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen sinf->IPMPData = new (std::nothrow) char[sinf->len]; 6968da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (sinf->IPMPData == NULL) { 6978da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 6988da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 699f7df9ab3187a3c02bffe1fba10d3fb95197e4a07Ichitaro Kohara data_offset += 2; 700dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 701f7df9ab3187a3c02bffe1fba10d3fb95197e4a07Ichitaro Kohara if (mDataSource->readAt(data_offset, sinf->IPMPData, sinf->len) < sinf->len) { 702dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 703dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 704dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += sinf->len; 705dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 706dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size -= (dataLen + numOfBytes + 1); 707dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 708dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 709dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 710dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size != 0) { 711dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 712dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 713dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 714dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return UNKNOWN_ERROR; // Return a dummy error. 715dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 716dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 71772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstruct PathAdder { 71872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder(Vector<uint32_t> *path, uint32_t chunkType) 71972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber : mPath(path) { 72072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mPath->push(chunkType); 72172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 72272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 72372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber ~PathAdder() { 72472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mPath->pop(); 72572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 72672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 72772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberprivate: 72872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber Vector<uint32_t> *mPath; 72972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 73072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder(const PathAdder &); 73172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder &operator=(const PathAdder &); 73272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber}; 73372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 73472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstatic bool underMetaDataPath(const Vector<uint32_t> &path) { 73572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return path.size() >= 5 73672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[0] == FOURCC('m', 'o', 'o', 'v') 73772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[1] == FOURCC('u', 'd', 't', 'a') 73872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[2] == FOURCC('m', 'e', 't', 'a') 73972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[3] == FOURCC('i', 'l', 's', 't'); 74072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 74172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 7428cfad968d5ec429b033caff9743f1ef15090be61Chong Zhangstatic bool underQTMetaPath(const Vector<uint32_t> &path, int32_t depth) { 7438cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return path.size() >= 2 7448cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang && path[0] == FOURCC('m', 'o', 'o', 'v') 7458cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang && path[1] == FOURCC('m', 'e', 't', 'a') 7468cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang && (depth == 2 7478cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || (depth == 3 748ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang && (path[2] == FOURCC('h', 'd', 'l', 'r') 749ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang || path[2] == FOURCC('i', 'l', 's', 't') 7508cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || path[2] == FOURCC('k', 'e', 'y', 's')))); 7518cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang} 7528cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 75372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber// Given a time in seconds since Jan 1 1904, produce a human-readable string. 75472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstatic void convertTimeToDate(int64_t time_1904, String8 *s) { 75572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber time_t time_1970 = time_1904 - (((66 * 365 + 17) * 24) * 3600); 75672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 75772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char tmp[32]; 75872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber strftime(tmp, sizeof(tmp), "%Y%m%dT%H%M%S.000Z", gmtime(&time_1970)); 75972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 76072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber s->setTo(tmp); 76172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 76272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 763c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) { 764ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("entering parseChunk %lld/%d", (long long)*offset, depth); 76520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t hdr[2]; 76634769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt(*offset, hdr, 8) < 8) { 76720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 76820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 76920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint64_t chunk_size = ntohl(hdr[0]); 7702d0ac425564ff9882ebaac5267d1a04d4af67d00Bernhard Rosenkränzer int32_t chunk_type = ntohl(hdr[1]); 771c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t data_offset = *offset + 8; 77220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 77320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_size == 1) { 77434769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt(*offset + 8, &chunk_size, 8) < 8) { 77520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 77620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 77720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_size = ntoh64(chunk_size); 77820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset += 8; 77971b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber 78071b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber if (chunk_size < 16) { 78171b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber // The smallest valid chunk is 16 bytes long in this case. 78271b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber return ERROR_MALFORMED; 78371b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber } 784a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen } else if (chunk_size == 0) { 785a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen if (depth == 0) { 786a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen // atom extends to end of file 787a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen off64_t sourceSize; 788a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen if (mDataSource->getSize(&sourceSize) == OK) { 789a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen chunk_size = (sourceSize - *offset); 790a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen } else { 791a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen // XXX could we just pick a "sufficiently large" value here? 792a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen ALOGE("atom size is 0, and data source has no size"); 793a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen return ERROR_MALFORMED; 794a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen } 795a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen } else { 796a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen // not allowed for non-toplevel atoms, skip it 797a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen *offset += 4; 798a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen return OK; 799a91b538853e94191fbceab5f5050940dd6b96577Marco Nelissen } 80071b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber } else if (chunk_size < 8) { 80171b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber // The smallest valid chunk is 8 bytes long. 802a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGE("invalid chunk size: %" PRIu64, chunk_size); 80371b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber return ERROR_MALFORMED; 80420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 80520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 80620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber char chunk[5]; 80720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MakeFourCCString(chunk_type, chunk); 808ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("chunk: %s @ %lld, %d", chunk, (long long)*offset, depth); 80920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 810b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe if (kUseHexDump) { 811b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe static const char kWhitespace[] = " "; 812b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const char *indent = &kWhitespace[sizeof(kWhitespace) - 1 - 2 * depth]; 813b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe printf("%sfound chunk '%s' of size %" PRIu64 "\n", indent, chunk, chunk_size); 81420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 815b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe char buffer[256]; 816b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe size_t n = chunk_size; 817b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe if (n > sizeof(buffer)) { 818b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe n = sizeof(buffer); 819b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe } 820b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe if (mDataSource->readAt(*offset, buffer, n) 821b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe < (ssize_t)n) { 822b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe return ERROR_IO; 823b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe } 824ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber 825b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe hexdump(buffer, n); 826b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe } 82720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 82872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder autoAdder(&mPath, chunk_type); 82972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 830c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t chunk_data_size = *offset + chunk_size - data_offset; 83120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 83272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (chunk_type != FOURCC('c', 'p', 'r', 't') 833515e855eae78aa495da58356486aaa666cb57fd1James Dong && chunk_type != FOURCC('c', 'o', 'v', 'r') 83472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && mPath.size() == 5 && underMetaDataPath(mPath)) { 835c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 83672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber *offset = data_offset; 83772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber while (*offset < stop_offset) { 83872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseChunk(offset, depth + 1); 83972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 84072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 84172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 84272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 843bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 844bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 845bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 846bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 84772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 84872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return OK; 84972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 85072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 85120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber switch(chunk_type) { 85220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'o', 'o', 'v'): 85320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'r', 'a', 'k'): 85420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'd', 'i', 'a'): 85520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'i', 'n', 'f'): 85620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('d', 'i', 'n', 'f'): 85720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'b', 'l'): 85820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'v', 'e', 'x'): 85920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'o', 'o', 'f'): 86020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'r', 'a', 'f'): 86120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'f', 'r', 'a'): 86272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('u', 'd', 't', 'a'): 86372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('i', 'l', 's', 't'): 864ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'i', 'n', 'f'): 865ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'c', 'h', 'i'): 8660a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen case FOURCC('e', 'd', 't', 's'): 86720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 868928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang if (chunk_type == FOURCC('m', 'o', 'o', 'f') && !mMoofFound) { 869928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang // store the offset of the first segment 870928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMoofFound = true; 871928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMoofOffset = *offset; 872928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang } 873928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 87450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (chunk_type == FOURCC('s', 't', 'b', 'l')) { 875a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("sampleTable chunk is %" PRIu64 " bytes long.", chunk_size); 87650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 877b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber if (mDataSource->flags() 878b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber & (DataSource::kWantsPrefetching 879b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber | DataSource::kIsCachingDataSource)) { 88050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber sp<MPEG4DataSource> cachedSource = 88150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber new MPEG4DataSource(mDataSource); 88250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 88350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (cachedSource->setCachedRange(*offset, chunk_size) == OK) { 88450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mDataSource = cachedSource; 88550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 88650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 8871edbcb2bb9988cc7cb54a865aaea4613bdd53a9dAndreas Huber 888f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 889f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 890f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 8911edbcb2bb9988cc7cb54a865aaea4613bdd53a9dAndreas Huber mLastTrack->sampleTable = new SampleTable(mDataSource); 89250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 89350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 8946f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber bool isTrack = false; 895bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (chunk_type == FOURCC('t', 'r', 'a', 'k')) { 8966f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber isTrack = true; 8976f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 898bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber Track *track = new Track; 899bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->next = NULL; 900bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (mLastTrack) { 901bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mLastTrack->next = track; 902bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else { 903bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mFirstTrack = track; 904bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 905bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mLastTrack = track; 906bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 907bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->meta = new MetaData; 908bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->includes_expensive_metadata = false; 9096f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber track->skipTrack = false; 910bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->timescale = 0; 911bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->meta->setCString(kKeyMIMEType, "application/octet-stream"); 912bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 913bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 914c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 91520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset; 91620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 91720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 91820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 91920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 92020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 92120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 92220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 923bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 924bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 925bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 926bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 9276f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (isTrack) { 9286f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (mLastTrack->skipTrack) { 9296f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber Track *cur = mFirstTrack; 9306f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 9316f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (cur == mLastTrack) { 9326f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber delete cur; 9336f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber mFirstTrack = mLastTrack = NULL; 9346f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } else { 9356f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber while (cur && cur->next != mLastTrack) { 9366f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber cur = cur->next; 9376f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 9386f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber cur->next = NULL; 9396f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber delete mLastTrack; 9406f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber mLastTrack = cur; 9416f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 9426f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 9436f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber return OK; 9446f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 9456f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 946bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber status_t err = verifyTrack(mLastTrack); 947bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 948bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (err != OK) { 949bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return err; 950bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 951bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (chunk_type == FOURCC('m', 'o', 'o', 'v')) { 952bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck = OK; 95320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 954dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (!mIsDrm) { 955dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return UNKNOWN_ERROR; // Return a dummy error. 956dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 957dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return OK; 958dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 95920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 96020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 96120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 96220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9630a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen case FOURCC('e', 'l', 's', 't'): 9640a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen { 9650517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 9660517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 9670a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen // See 14496-12 8.6.6 9680a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint8_t version; 9690a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (mDataSource->readAt(data_offset, &version, 1) < 1) { 9700a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9710a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9720a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9730a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint32_t entry_count; 9740a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt32(data_offset + 4, &entry_count)) { 9750a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9760a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9770a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9780a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (entry_count != 1) { 9790a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen // we only support a single entry at the moment, for gapless playback 9800a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen ALOGW("ignoring edit list with %d entries", entry_count); 981fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen } else if (mHeaderTimescale == 0) { 982210efd48ed21ca0084d9440f9a1db7d9878f8094Marco Nelissen ALOGW("ignoring edit list because timescale is 0"); 9830a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else { 9840a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen off64_t entriesoffset = data_offset + 8; 9850a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint64_t segment_duration; 9860a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t media_time; 9870a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9880a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (version == 1) { 9890a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt64(entriesoffset, &segment_duration) || 9900a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen !mDataSource->getUInt64(entriesoffset + 8, (uint64_t*)&media_time)) { 9910a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9920a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9930a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else if (version == 0) { 9940a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint32_t sd; 9950a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int32_t mt; 9960a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt32(entriesoffset, &sd) || 9970a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen !mDataSource->getUInt32(entriesoffset + 4, (uint32_t*)&mt)) { 9980a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9990a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 10000a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen segment_duration = sd; 10010a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen media_time = mt; 10020a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else { 10030a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 10040a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 10050a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 1006fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint64_t halfscale = mHeaderTimescale / 2; 1007fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen segment_duration = (segment_duration * 1000000 + halfscale)/ mHeaderTimescale; 1008fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen media_time = (media_time * 1000000 + halfscale) / mHeaderTimescale; 10090a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 10100a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t duration; 10110a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int32_t samplerate; 10121391f933b49cfb56da9aa63f723de83b076cf888Robert Shih if (!mLastTrack) { 10131391f933b49cfb56da9aa63f723de83b076cf888Robert Shih return ERROR_MALFORMED; 10141391f933b49cfb56da9aa63f723de83b076cf888Robert Shih } 10150a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (mLastTrack->meta->findInt64(kKeyDuration, &duration) && 10160a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->findInt32(kKeySampleRate, &samplerate)) { 10170a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 10180a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t delay = (media_time * samplerate + 500000) / 1000000; 10190a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); 10200a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 10210a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t paddingus = duration - (segment_duration + media_time); 1022465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen if (paddingus < 0) { 1023465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen // track duration from media header (which is what kKeyDuration is) might 1024465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen // be slightly shorter than the segment duration, which would make the 1025465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen // padding negative. Clamp to zero. 1026465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen paddingus = 0; 1027465127fa3dfba81d8ad2a164ba6036478f71c8a6Marco Nelissen } 10280a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t paddingsamples = (paddingus * samplerate + 500000) / 1000000; 10290a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->setInt32(kKeyEncoderPadding, paddingsamples); 10300a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 10310a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 10320a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen break; 10330a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 10340a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 1035ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('f', 'r', 'm', 'a'): 1036ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 10370517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 10380517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 103948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t original_fourcc; 1040ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset, &original_fourcc, 4) < 4) { 1041ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1042ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1043ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen original_fourcc = ntohl(original_fourcc); 1044ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("read original format: %d", original_fourcc); 1045f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1046f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1047f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1048f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1049ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(original_fourcc)); 105048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t num_channels = 0; 105148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t sample_rate = 0; 105248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (AdjustChannelsAndRate(original_fourcc, &num_channels, &sample_rate)) { 105348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setInt32(kKeyChannelCount, num_channels); 105448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setInt32(kKeySampleRate, sample_rate); 105548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 1056ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 1057ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1058ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1059ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('t', 'e', 'n', 'c'): 1060ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 10610517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 10620517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1063ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (chunk_size < 32) { 1064ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1065ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1066ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1067ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // tenc box contains 1 byte version, 3 byte flags, 3 byte default algorithm id, one byte 1068ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // default IV size, 16 bytes default KeyID 1069ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // (ISO 23001-7) 1070ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char buf[4]; 1071ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(buf, 0, 4); 1072ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 4, buf + 1, 3) < 3) { 1073ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1074ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1075ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t defaultAlgorithmId = ntohl(*((int32_t*)buf)); 1076ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (defaultAlgorithmId > 1) { 1077ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only 0 (clear) and 1 (AES-128) are valid 1078ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1079ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1080ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1081ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(buf, 0, 4); 1082ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 7, buf + 3, 1) < 1) { 1083ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1084ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1085ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t defaultIVSize = ntohl(*((int32_t*)buf)); 1086ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1087ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((defaultAlgorithmId == 0 && defaultIVSize != 0) || 1088ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen (defaultAlgorithmId != 0 && defaultIVSize == 0)) { 1089ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only unencrypted data must have 0 IV size 1090ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1091ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } else if (defaultIVSize != 0 && 1092ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen defaultIVSize != 8 && 1093ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen defaultIVSize != 16) { 1094ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only supported sizes are 0, 8 and 16 1095ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1096ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1097ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1098ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t defaultKeyId[16]; 1099ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1100ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 8, &defaultKeyId, 16) < 16) { 1101ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1102ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1103ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1104f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1105f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1106f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1107ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setInt32(kKeyCryptoMode, defaultAlgorithmId); 1108ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setInt32(kKeyCryptoDefaultIVSize, defaultIVSize); 1109ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setData(kKeyCryptoKey, 'tenc', defaultKeyId, 16); 1110ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 1111ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1112ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 111320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'k', 'h', 'd'): 111420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 11150517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 11160517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1117ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber status_t err; 1118ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if ((err = parseTrackHeader(data_offset, chunk_data_size)) != OK) { 1119ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return err; 112020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 112120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 112220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 112320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 112420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1125ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('p', 's', 's', 'h'): 1126ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 11270517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 11280517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1129ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen PsshInfo pssh; 1130ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1131ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 4, &pssh.uuid, 16) < 16) { 1132ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1133ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1134ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1135ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t psshdatalen = 0; 1136ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 20, &psshdatalen, 4) < 4) { 1137ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1138ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1139ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen pssh.datalen = ntohl(psshdatalen); 1140ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("pssh data size: %d", pssh.datalen); 1141c9b255b7f771f55462cadd34e109bfee3bf80a3aMarco Nelissen if (chunk_size < 20 || pssh.datalen > chunk_size - 20) { 1142ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // pssh data length exceeds size of containing box 1143ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1144ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1145ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 11468da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen pssh.data = new (std::nothrow) uint8_t[pssh.datalen]; 11478da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (pssh.data == NULL) { 11488da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 11498da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 1150ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("allocated pssh @ %p", pssh.data); 1151ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ssize_t requested = (ssize_t) pssh.datalen; 1152ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 24, pssh.data, requested) < requested) { 1153ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1154ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1155ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mPssh.push_back(pssh); 1156ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1157ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 1158ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1159ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 116020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'd', 'h', 'd'): 116120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 11620517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 11630517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1164202fbed96db40ec5fb43d633fc97601a15a6dd7aRobert Shih if (chunk_data_size < 4 || mLastTrack == NULL) { 116520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 116620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 116720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 116820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t version; 116934769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 117020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, &version, sizeof(version)) 117120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(version)) { 117220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 117320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 117420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1175c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t timescale_offset; 117620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 117720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (version == 1) { 117820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset = data_offset + 4 + 16; 117920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else if (version == 0) { 118020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset = data_offset + 4 + 8; 118120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 118220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 118320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 118420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 118520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 118634769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 118720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset, ×cale, sizeof(timescale)) 118820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(timescale)) { 118920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 119020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 119120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11922e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang if (!timescale) { 11932e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang ALOGE("timescale should not be ZERO."); 11942e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang return ERROR_MALFORMED; 11952e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang } 11962e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang 119720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->timescale = ntohl(timescale); 119820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1199c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 14496-12 says all ones means indeterminate, but some files seem to use 1200c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 0 instead. We treat both the same. 120105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t duration = 0; 120220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (version == 1) { 120334769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 120420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset + 4, &duration, sizeof(duration)) 120520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(duration)) { 120620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 120720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1208c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (duration != -1) { 1209c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = ntoh64(duration); 1210c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 121120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 121205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t duration32; 121334769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 121420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset + 4, &duration32, sizeof(duration32)) 121520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(duration32)) { 121620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 121720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 121805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (duration32 != 0xffffffff) { 121905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen duration = ntohl(duration32); 122005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 122120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1222e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (duration != 0 && mLastTrack->timescale != 0) { 1223c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mLastTrack->meta->setInt64( 1224c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen kKeyDuration, (duration * 1000000) / mLastTrack->timescale); 1225c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 122620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 12277a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang uint8_t lang[2]; 12287a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang off64_t lang_offset; 12297a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang if (version == 1) { 12307a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_offset = timescale_offset + 4 + 8; 12317a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } else if (version == 0) { 12327a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_offset = timescale_offset + 4 + 4; 12337a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } else { 12347a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang return ERROR_IO; 12357a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 12367a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 12377a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang if (mDataSource->readAt(lang_offset, &lang, sizeof(lang)) 12387a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang < (ssize_t)sizeof(lang)) { 12397a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang return ERROR_IO; 12407a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 12417a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 12427a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // To get the ISO-639-2/T three character language code 12437a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // 1 bit pad followed by 3 5-bits characters. Each character 12447a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // is packed as the difference between its ASCII value and 0x60. 12457a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang char lang_code[4]; 12467a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[0] = ((lang[0] >> 2) & 0x1f) + 0x60; 12477a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[1] = ((lang[0] & 0x3) << 3 | (lang[1] >> 5)) + 0x60; 12487a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[2] = (lang[1] & 0x1f) + 0x60; 12497a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[3] = '\0'; 12507a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 12517a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang mLastTrack->meta->setCString( 12527a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang kKeyMediaLanguage, lang_code); 12537a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 125420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 125520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 125620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 125720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'd'): 125820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 125920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 8) { 126020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 126120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 126220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 126320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[8]; 1264c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size < (off64_t)sizeof(buffer)) { 1265bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1266bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 1267bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 126834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 126920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, 8) < 8) { 127020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 127120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 127220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 127320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (U32_AT(buffer) != 0) { 127420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Should be version 0, flags 0. 127520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 127620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 127720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 127820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t entry_count = U32_AT(&buffer[4]); 127920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 128020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (entry_count > 1) { 12813b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For 3GPP timed text, there could be multiple tx3g boxes contain 12823b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // multiple text display formats. These formats will be used to 12833b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // display the timed text. 1284ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // For encrypted files, there may also be more than one entry. 12853b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang const char *mime; 1286f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1287f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1288f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1289f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 12903b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1291ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP) && 1292ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen strcasecmp(mime, "application/octet-stream")) { 12933b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For now we only support a single type of media per track. 12943b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->skipTrack = true; 12953b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang *offset += chunk_size; 12963b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang break; 12973b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 129820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1299c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 130020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + 8; 130120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (uint32_t i = 0; i < entry_count; ++i) { 130220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 130320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 130420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 130520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 130620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1307bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1308bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1309bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1310bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 131120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 131220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 131320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 131420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'a'): 131548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen case FOURCC('e', 'n', 'c', 'a'): 131620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 'a', 'm', 'r'): 1317371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber case FOURCC('s', 'a', 'w', 'b'): 131820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 131920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[8 + 20]; 132020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < (ssize_t)sizeof(buffer)) { 132120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Basic AudioSampleEntry size. 132220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 132320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 132420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 132534769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 132620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) { 132720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 132820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 132920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1330b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe uint16_t data_ref_index __unused = U16_AT(&buffer[6]); 133148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t num_channels = U16_AT(&buffer[16]); 133220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 133381f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint16_t sample_size = U16_AT(&buffer[18]); 133481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint32_t sample_rate = U32_AT(&buffer[24]) >> 16; 133581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 1336f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1337f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1338f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 133948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (chunk_type != FOURCC('e', 'n', 'c', 'a')) { 134048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // if the chunk type is enca, we'll get the type from the sinf/frma box later 134148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type)); 134248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen AdjustChannelsAndRate(chunk_type, &num_channels, &sample_rate); 134320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 134448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen ALOGV("*** coding='%s' %d channels, size %d, rate %d\n", 134581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber chunk, num_channels, sample_size, sample_rate); 134620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyChannelCount, num_channels); 134720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeySampleRate, sample_rate); 134820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1349c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 135020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + sizeof(buffer); 135120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 135220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 135320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 135420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 135520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 135620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1357bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1358bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1359bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1360bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 136120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 136220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 136320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 136420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'v'): 1365ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('e', 'n', 'c', 'v'): 136620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', '2', '6', '3'): 1367e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('H', '2', '6', '3'): 1368e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('h', '2', '6', '3'): 136920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', '1'): 13703b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'v', 'c', '1'): 13713b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'e', 'v', '1'): 137220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 13737be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber mHasVideo = true; 13747be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 137520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[78]; 137620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < (ssize_t)sizeof(buffer)) { 137720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Basic VideoSampleEntry size. 137820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 137920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 138020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 138134769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 138220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) { 138320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 138420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 138520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1386b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe uint16_t data_ref_index __unused = U16_AT(&buffer[6]); 138720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t width = U16_AT(&buffer[6 + 18]); 138820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t height = U16_AT(&buffer[6 + 20]); 138920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1390ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // The video sample is not standard-compliant if it has invalid dimension. 1391a6256238d9015c42129fe43791968768fe501efaJames Dong // Use some default width and height value, and 1392a6256238d9015c42129fe43791968768fe501efaJames Dong // let the decoder figure out the actual width and height (and thus 1393a6256238d9015c42129fe43791968768fe501efaJames Dong // be prepared for INFO_FOMRAT_CHANGED event). 1394a6256238d9015c42129fe43791968768fe501efaJames Dong if (width == 0) width = 352; 1395a6256238d9015c42129fe43791968768fe501efaJames Dong if (height == 0) height = 288; 1396a6256238d9015c42129fe43791968768fe501efaJames Dong 1397134ee6a324c35f39e3576172e4eae4c6de6eb9dcAndreas Huber // printf("*** coding='%s' width=%d height=%d\n", 1398134ee6a324c35f39e3576172e4eae4c6de6eb9dcAndreas Huber // chunk, width, height); 139920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1400f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1401f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1402f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1403ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (chunk_type != FOURCC('e', 'n', 'c', 'v')) { 1404ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // if the chunk type is encv, we'll get the type from the sinf/frma box later 1405ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type)); 1406ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 140720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyWidth, width); 140820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyHeight, height); 140920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1410c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 141120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + sizeof(buffer); 141220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 141320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 141420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 141520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 141620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 141720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1418bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1419bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1420bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1421bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 142220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 142320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 142420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 142520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'c', 'o'): 142620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('c', 'o', '6', '4'): 142720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1428274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1429274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1430274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 143120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 143220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setChunkOffsetParams( 143320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_type, data_offset, chunk_data_size); 143420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14350517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 14360517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 143720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 143820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 143920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 144020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 144120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 144220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 144320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 144420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'c'): 144520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1446274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1447274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1448274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 144920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 145020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSampleToChunkParams( 145120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 145220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14530517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 14540517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 145520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 145620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 145720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 145820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 145920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 146020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 146120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 146220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'z'): 146320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'z', '2'): 146420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1465274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1466274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1467274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 146820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 146920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSampleSizeParams( 147020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_type, data_offset, chunk_data_size); 147120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14720517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 14730517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 147420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 147520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 147620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 147720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1478738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber size_t max_size; 147949110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber err = mLastTrack->sampleTable->getMaxSampleSize(&max_size); 148049110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber 148149110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber if (err != OK) { 148249110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber return err; 148349110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber } 1484738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber 148505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (max_size != 0) { 148605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Assume that a given buffer only contains at most 10 chunks, 148705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // each chunk originally prefixed with a 2 byte length will 148805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // have a 4 byte header (0x00 0x00 0x00 0x01) after conversion, 148905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // and thus will grow by 2 bytes per chunk. 1490beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen if (max_size > SIZE_MAX - 10 * 2) { 1491beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen ALOGE("max sample size too big: %zu", max_size); 1492beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen return ERROR_MALFORMED; 1493beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen } 149405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size + 10 * 2); 149505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 149605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // No size was specified. Pick a conservatively large size. 1497beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen uint32_t width, height; 1498beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen if (!mLastTrack->meta->findInt32(kKeyWidth, (int32_t*)&width) || 1499beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen !mLastTrack->meta->findInt32(kKeyHeight,(int32_t*) &height)) { 150005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("No width or height, assuming worst case 1080p"); 1501f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar width = 1920; 1502f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar height = 1080; 1503beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen } else { 1504beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen // A resolution was specified, check that it's not too big. The values below 1505beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen // were chosen so that the calculations below don't cause overflows, they're 1506beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen // not indicating that resolutions up to 32kx32k are actually supported. 1507beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen if (width > 32768 || height > 32768) { 1508beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen ALOGE("can't support %u x %u video", width, height); 1509beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen return ERROR_MALFORMED; 1510beef7e58c1f1837bdaed6ac37414d8c48a133813Marco Nelissen } 151105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1512f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar 15134256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen const char *mime; 15144256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1515f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar if (!strcmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 1516f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // AVC requires compression ratio of at least 2, and uses 1517f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // macroblocks 1518f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = ((width + 15) / 16) * ((height + 15) / 16) * 192; 1519f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar } else { 1520f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // For all other formats there is no minimum compression 1521f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // ratio. Use compression ratio of 1. 1522f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = width * height * 3 / 2; 152305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1524f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size); 152505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1526113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 15274256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // NOTE: setting another piece of metadata invalidates any pointers (such as the 15284256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // mimetype) previously obtained, so don't cache them. 1529113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong const char *mime; 1530113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1531113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong // Calculate average frame rate. 1532113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (!strncasecmp("video/", mime, 6)) { 1533113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong size_t nSamples = mLastTrack->sampleTable->countSamples(); 1534113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int64_t durationUs; 1535113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (mLastTrack->meta->findInt64(kKeyDuration, &durationUs)) { 1536113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (durationUs > 0) { 1537113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int32_t frameRate = (nSamples * 1000000LL + 1538113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong (durationUs >> 1)) / durationUs; 1539113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong mLastTrack->meta->setInt32(kKeyFrameRate, frameRate); 1540113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1541113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1542113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1543113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 154420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 154520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 154620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 154720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 't', 's'): 154820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1549274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1550274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1551274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15520517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15530517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 155420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 155520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setTimeToSampleParams( 155620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 155720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 155820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 155920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 156020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 156120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 156220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 156320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 156420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 15654931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber case FOURCC('c', 't', 't', 's'): 15664931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber { 1567274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1568274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1569274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15700517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15710517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 15724931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber status_t err = 15734931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber mLastTrack->sampleTable->setCompositionTimeToSampleParams( 15744931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber data_offset, chunk_data_size); 15754931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 15764931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber if (err != OK) { 15774931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber return err; 15784931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 15794931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 15804931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber break; 15814931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 15824931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 158320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 's'): 158420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1585274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1586274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1587274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15880517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15890517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 159020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 159120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSyncSampleParams( 159220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 159320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 159420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 159520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 159620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 159720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 159820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 159920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 160020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1601afd492436efc7f66b958da14659b52232efa5910Marco Nelissen // \xA9xyz 1602e1b2ccf317301af42bb4b6631a3bcd7d8f519d00Chih-Hung Hsieh case FOURCC(0xA9, 'x', 'y', 'z'): 16034948818cb91176df74c972ac27b2f392b5d148bcJames Dong { 16040517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 16050517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1606afd492436efc7f66b958da14659b52232efa5910Marco Nelissen // Best case the total data length inside "\xA9xyz" box 1607afd492436efc7f66b958da14659b52232efa5910Marco Nelissen // would be 8, for instance "\xA9xyz" + "\x00\x04\x15\xc7" + "0+0/", 16084948818cb91176df74c972ac27b2f392b5d148bcJames Dong // where "\x00\x04" is the text string length with value = 4, 16094948818cb91176df74c972ac27b2f392b5d148bcJames Dong // "\0x15\xc7" is the language code = en, and "0+0" is a 16104948818cb91176df74c972ac27b2f392b5d148bcJames Dong // location (string) value with longitude = 0 and latitude = 0. 16114948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (chunk_data_size < 8) { 16124948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 16134948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16144948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16154948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Worst case the location string length would be 18, 16164948818cb91176df74c972ac27b2f392b5d148bcJames Dong // for instance +90.0000-180.0000, without the trailing "/" and 16174948818cb91176df74c972ac27b2f392b5d148bcJames Dong // the string length + language code. 16184948818cb91176df74c972ac27b2f392b5d148bcJames Dong char buffer[18]; 16194948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16204948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Substracting 5 from the data size is because the text string length + 16214948818cb91176df74c972ac27b2f392b5d148bcJames Dong // language code takes 4 bytes, and the trailing slash "/" takes 1 byte. 16224948818cb91176df74c972ac27b2f392b5d148bcJames Dong off64_t location_length = chunk_data_size - 5; 16234948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (location_length >= (off64_t) sizeof(buffer)) { 16244948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 16254948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16264948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16274948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (mDataSource->readAt( 16284948818cb91176df74c972ac27b2f392b5d148bcJames Dong data_offset + 4, buffer, location_length) < location_length) { 16294948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_IO; 16304948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16314948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16324948818cb91176df74c972ac27b2f392b5d148bcJames Dong buffer[location_length] = '\0'; 16334948818cb91176df74c972ac27b2f392b5d148bcJames Dong mFileMetaData->setCString(kKeyLocation, buffer); 16344948818cb91176df74c972ac27b2f392b5d148bcJames Dong break; 16354948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16364948818cb91176df74c972ac27b2f392b5d148bcJames Dong 163720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('e', 's', 'd', 's'): 163820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 16390517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 16400517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 164120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 4) { 164220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 164320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 164420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 164520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[256]; 1646c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size > (off64_t)sizeof(buffer)) { 164720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_BUFFER_TOO_SMALL; 164820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 164920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 165034769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 165120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, chunk_data_size) < chunk_data_size) { 165220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 165320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 165420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 165520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (U32_AT(buffer) != 0) { 165620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Should be version 0, flags 0. 165720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 165820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 165920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1660f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1661f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1662f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 166320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 166420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber kKeyESDS, kTypeESDS, &buffer[4], chunk_data_size - 4); 166520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1666ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (mPath.size() >= 2 1667ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber && mPath[mPath.size() - 2] == FOURCC('m', 'p', '4', 'a')) { 1668ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // Information from the ESDS must be relied on for proper 1669ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // setup of sample rate and channel count for MPEG4 Audio. 1670ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // The generic header appears to only contain generic 1671ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // information... 1672ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1673ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t err = updateAudioTrackInfoFromESDS_MPEG4Audio( 1674ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber &buffer[4], chunk_data_size - 4); 1675ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1676ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (err != OK) { 1677ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return err; 1678ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1679ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1680ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar if (mPath.size() >= 2 1681ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar && mPath[mPath.size() - 2] == FOURCC('m', 'p', '4', 'v')) { 1682ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar // Check if the video is MPEG2 1683ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar ESDS esds(&buffer[4], chunk_data_size - 4); 1684ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar 1685ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar uint8_t objectTypeIndication; 1686ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar if (esds.getObjectTypeIndication(&objectTypeIndication) == OK) { 1687ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar if (objectTypeIndication >= 0x60 && objectTypeIndication <= 0x65) { 1688ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG2); 1689ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar } 1690ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar } 1691ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar } 169220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 169320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 169420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 169520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', 'C'): 169620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 16970517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 16980517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1699d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson sp<ABuffer> buffer = new ABuffer(chunk_data_size); 170020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 170134769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 1702d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson data_offset, buffer->data(), chunk_data_size) < chunk_data_size) { 170320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 170420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 170520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1706f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1707f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1708f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 170920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 1710d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson kKeyAVCC, kTypeAVCC, buffer->data(), chunk_data_size); 171120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 171220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 171320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 17143b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'v', 'c', 'C'): 17153b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar { 17163b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar sp<ABuffer> buffer = new ABuffer(chunk_data_size); 17173b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 17183b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (mDataSource->readAt( 17193b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar data_offset, buffer->data(), chunk_data_size) < chunk_data_size) { 17203b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar return ERROR_IO; 17213b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 17223b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 1723f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1724f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1725f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 17263b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mLastTrack->meta->setData( 17273b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar kKeyHVCC, kTypeHVCC, buffer->data(), chunk_data_size); 17283b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 17293b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar *offset += chunk_size; 17303b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar break; 17313b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 173220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1733244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong case FOURCC('d', '2', '6', '3'): 1734244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong { 17350517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 173617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong /* 173717e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * d263 contains a fixed 7 bytes part: 173817e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * vendor - 4 bytes 173917e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * version - 1 byte 174017e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * level - 1 byte 174117e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * profile - 1 byte 174217e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * optionally, "d263" box itself may contain a 16-byte 174317e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * bit rate box (bitr) 174417e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * average bit rate - 4 bytes 174517e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * max bit rate - 4 bytes 174617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong */ 174717e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong char buffer[23]; 174817e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong if (chunk_data_size != 7 && 174917e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong chunk_data_size != 23) { 1750ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGE("Incorrect D263 box size %lld", (long long)chunk_data_size); 1751244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_MALFORMED; 1752244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1753244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1754244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong if (mDataSource->readAt( 1755244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong data_offset, buffer, chunk_data_size) < chunk_data_size) { 1756244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_IO; 1757244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1758244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1759f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1760f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1761f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1762244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong mLastTrack->meta->setData(kKeyD263, kTypeD263, buffer, chunk_data_size); 1763244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1764244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong break; 1765244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1766244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 176772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'e', 't', 'a'): 176872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 17698cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t stop_offset = *offset + chunk_size; 17708cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset = data_offset; 17718cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang bool isParsingMetaKeys = underQTMetaPath(mPath, 2); 17728cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!isParsingMetaKeys) { 17738cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint8_t buffer[4]; 17748cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (chunk_data_size < (off64_t)sizeof(buffer)) { 17758cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17768cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 17778cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 1778bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 17798cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mDataSource->readAt( 17808cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang data_offset, buffer, 4) < 4) { 17818cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17828cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_IO; 17838cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 178472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 17858cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (U32_AT(buffer) != 0) { 17868cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // Should be version 0, flags 0. 1787ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber 17888cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // If it's not, let's assume this is one of those 17898cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // apparently malformed chunks that don't have flags 17908cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // and completely different semantics than what's 17918cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // in the MPEG4 specs and skip it. 17928cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17938cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 17948cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 17958cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += sizeof(buffer); 179672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 179772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 179872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber while (*offset < stop_offset) { 179972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseChunk(offset, depth + 1); 180072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 180172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 180272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 180372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 1804bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1805bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1806bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1807bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 180872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 180972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 181072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 18115d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 18125d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 181372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('d', 'a', 't', 'a'): 181472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 18150517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 18160517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 181772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mPath.size() == 6 && underMetaDataPath(mPath)) { 1818fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t err = parseITunesMetaData(data_offset, chunk_data_size); 181972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 182072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 182172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 182272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 182372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 182472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 182572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 182672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 182772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 182872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'v', 'h', 'd'): 182972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 18300517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 18310517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1832c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 32) { 183372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 183472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 183572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1836c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint8_t header[32]; 183772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 183872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber data_offset, header, sizeof(header)) 183972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber < (ssize_t)sizeof(header)) { 184072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 184172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 184272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1843fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint64_t creationTime; 1844c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t duration = 0; 184572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (header[0] == 1) { 184672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U64_AT(&header[4]); 1847fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[20]); 1848c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = U64_AT(&header[24]); 1849c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (duration == 0xffffffffffffffff) { 1850c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = 0; 1851c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1852bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (header[0] != 0) { 1853bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 185472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 185572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U32_AT(&header[4]); 1856fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[12]); 1857c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t d32 = U32_AT(&header[16]); 1858c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (d32 == 0xffffffff) { 1859c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen d32 = 0; 1860c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1861c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = d32; 1862c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1863e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (duration != 0 && mHeaderTimescale != 0) { 1864c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mFileMetaData->setInt64(kKeyDuration, duration * 1000000 / mHeaderTimescale); 186572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 186672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 186772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber String8 s; 186872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber convertTimeToDate(creationTime, &s); 186972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 187072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyDate, s.string()); 187172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 187272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 187372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 187472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1875c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen case FOURCC('m', 'e', 'h', 'd'): 1876c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen { 1877c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen *offset += chunk_size; 1878c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1879c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 8) { 1880c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1881c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1882c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1883c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint8_t flags[4]; 1884c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (mDataSource->readAt( 1885c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen data_offset, flags, sizeof(flags)) 1886c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen < (ssize_t)sizeof(flags)) { 1887c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1888c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1889c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1890c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t duration = 0; 1891c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (flags[0] == 1) { 1892c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 64 bit 1893c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 12) { 1894c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1895c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1896c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mDataSource->getUInt64(data_offset + 4, &duration); 1897c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (duration == 0xffffffffffffffff) { 1898c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = 0; 1899c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1900c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else if (flags[0] == 0) { 1901c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 32 bit 1902c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t d32; 1903c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mDataSource->getUInt32(data_offset + 4, &d32); 1904c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (d32 == 0xffffffff) { 1905c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen d32 = 0; 1906c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1907c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = d32; 1908c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else { 1909c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1910c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1911c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1912e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (duration != 0 && mHeaderTimescale != 0) { 1913c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mFileMetaData->setInt64(kKeyDuration, duration * 1000000 / mHeaderTimescale); 1914c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1915c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1916c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 1917c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1918c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1919dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang case FOURCC('m', 'd', 'a', 't'): 1920dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang { 1921ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("mdat chunk, drm: %d", mIsDrm); 1922928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 1923928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMdatFound = true; 1924928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 1925dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (!mIsDrm) { 1926dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *offset += chunk_size; 1927dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang break; 1928dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1929dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1930dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (chunk_size < 8) { 1931dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 1932dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1933dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1934dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return parseDrmSINF(offset, data_offset); 1935dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1936dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 19373b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang case FOURCC('h', 'd', 'l', 'r'): 19383b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang { 19390517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 19400517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1941ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang if (underQTMetaPath(mPath, 3)) { 1942ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang break; 1943ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang } 1944ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang 19453b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t buffer; 19463b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (mDataSource->readAt( 19473b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang data_offset + 8, &buffer, 4) < 4) { 19483b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 19493b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19503b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 1951f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1952f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1953f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 19543b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type = ntohl(buffer); 19553b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For the 3GPP file format, the handler-type within the 'hdlr' box 1956e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // shall be 'text'. We also want to support 'sbtl' handler type 1957e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // for a practical reason as various MPEG4 containers use it. 1958e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang if (type == FOURCC('t', 'e', 'x', 't') || type == FOURCC('s', 'b', 't', 'l')) { 19593b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_TEXT_3GPP); 19603b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19613b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19623b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang break; 19633b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19643b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19658cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang case FOURCC('k', 'e', 'y', 's'): 19668cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang { 19678cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 19688cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 19698cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (underQTMetaPath(mPath, 3)) { 19708cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang parseQTMetaKey(data_offset, chunk_data_size); 19718cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 19728cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang break; 19738cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 19748cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 1975c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen case FOURCC('t', 'r', 'e', 'x'): 1976c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen { 1977c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen *offset += chunk_size; 1978c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1979c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 24) { 1980c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1981c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1982c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex trex; 1983c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (!mDataSource->getUInt32(data_offset + 4, &trex.track_ID) || 1984c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 8, &trex.default_sample_description_index) || 1985c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 12, &trex.default_sample_duration) || 1986c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 16, &trex.default_sample_size) || 1987c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 20, &trex.default_sample_flags)) { 1988c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1989c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1990c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mTrex.add(trex); 1991c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 1992c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1993c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 19947a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang case FOURCC('t', 'x', '3', 'g'): 19957a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang { 1996f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1997f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1998f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 19993b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type; 20003b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang const void *data; 20013b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size_t size = 0; 20023b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (!mLastTrack->meta->findData( 20033b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, &type, &data, &size)) { 20043b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size = 0; 20053b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 20063b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20070e20b2093aa2bbc93afed8d68d3765d18a431b74Nick Kralevich if ((chunk_size > SIZE_MAX) || (SIZE_MAX - chunk_size <= size)) { 2008dc69f4856187904bfb0d12a72cdf5a563a0deff2Joshua J. Drake return ERROR_MALFORMED; 2009dc69f4856187904bfb0d12a72cdf5a563a0deff2Joshua J. Drake } 2010dc69f4856187904bfb0d12a72cdf5a563a0deff2Joshua J. Drake 20118da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen uint8_t *buffer = new (std::nothrow) uint8_t[size + chunk_size]; 20128da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 20138da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 20148da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 20153b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20163b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (size > 0) { 20173b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang memcpy(buffer, data, size); 20183b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 20193b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20203b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if ((size_t)(mDataSource->readAt(*offset, buffer + size, chunk_size)) 20213b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang < chunk_size) { 20223b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 20233b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang buffer = NULL; 20243b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20250517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen // advance read pointer so we don't end up reading this again 20260517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20273b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 20283b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 20293b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20303b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setData( 20313b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, 0, buffer, size + chunk_size); 20323b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20333b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 20347a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 20357a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang *offset += chunk_size; 20367a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang break; 20377a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 20387a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 2039515e855eae78aa495da58356486aaa666cb57fd1James Dong case FOURCC('c', 'o', 'v', 'r'): 2040515e855eae78aa495da58356486aaa666cb57fd1James Dong { 20410517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20420517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2043515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mFileMetaData != NULL) { 2044635bc8f90429b2fdcaf7f8d43f7f59bcd0fe951cDan Albert ALOGV("chunk_data_size = %" PRId64 " and data_offset = %" PRId64, 2045635bc8f90429b2fdcaf7f8d43f7f59bcd0fe951cDan Albert chunk_data_size, data_offset); 20461e51401794ff830c912c21123c321b83c17b491dJoshua J. Drake 2047635bc8f90429b2fdcaf7f8d43f7f59bcd0fe951cDan Albert if (chunk_data_size < 0 || static_cast<uint64_t>(chunk_data_size) >= SIZE_MAX - 1) { 20481e51401794ff830c912c21123c321b83c17b491dJoshua J. Drake return ERROR_MALFORMED; 20491e51401794ff830c912c21123c321b83c17b491dJoshua J. Drake } 20501552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin sp<ABuffer> buffer = new ABuffer(chunk_data_size + 1); 2051515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mDataSource->readAt( 20521552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin data_offset, buffer->data(), chunk_data_size) != (ssize_t)chunk_data_size) { 2053515e855eae78aa495da58356486aaa666cb57fd1James Dong return ERROR_IO; 2054515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2055515e855eae78aa495da58356486aaa666cb57fd1James Dong const int kSkipBytesOfDataBox = 16; 205697d45dbfdfc9018f1cbf72641c1447ff59431ae3Joshua J. Drake if (chunk_data_size <= kSkipBytesOfDataBox) { 205797d45dbfdfc9018f1cbf72641c1447ff59431ae3Joshua J. Drake return ERROR_MALFORMED; 205897d45dbfdfc9018f1cbf72641c1447ff59431ae3Joshua J. Drake } 205997d45dbfdfc9018f1cbf72641c1447ff59431ae3Joshua J. Drake 2060515e855eae78aa495da58356486aaa666cb57fd1James Dong mFileMetaData->setData( 2061515e855eae78aa495da58356486aaa666cb57fd1James Dong kKeyAlbumArt, MetaData::TYPE_NONE, 20621552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin buffer->data() + kSkipBytesOfDataBox, chunk_data_size - kSkipBytesOfDataBox); 2063515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2064515e855eae78aa495da58356486aaa666cb57fd1James Dong 2065515e855eae78aa495da58356486aaa666cb57fd1James Dong break; 2066515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2067515e855eae78aa495da58356486aaa666cb57fd1James Dong 2068fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('t', 'i', 't', 'l'): 2069fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('p', 'e', 'r', 'f'): 2070fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'u', 't', 'h'): 2071fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('g', 'n', 'r', 'e'): 2072fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'l', 'b', 'm'): 2073fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('y', 'r', 'r', 'c'): 2074fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 20750517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20760517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2077fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t err = parse3GPPMetaData(data_offset, chunk_data_size, depth); 2078fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2079fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (err != OK) { 2080fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return err; 2081fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2082fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2083fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2084fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2085fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2086328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé case FOURCC('I', 'D', '3', '2'): 2087328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { 20880517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20890517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2090328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (chunk_data_size < 6) { 2091328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé return ERROR_MALFORMED; 2092328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2093328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2094328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé parseID3v2MetaData(data_offset + 6); 2095328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2096328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé break; 2097328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2098328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 20995d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 21005d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 21015d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 21025d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 21035d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 21045d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen *offset += chunk_size; 21055d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 21065d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 21075d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen 210805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('s', 'i', 'd', 'x'): 210905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen { 211005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseSegmentIndex(data_offset, chunk_data_size); 211105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 211205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return UNKNOWN_ERROR; // stop parsing after sidx 211305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 211405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 211520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber default: 211620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 21178cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // check if we're parsing 'ilst' for meta keys 21188cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // if so, treat type as a number (key-id). 21198cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (underQTMetaPath(mPath, 3)) { 21208cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang parseQTMetaVal(chunk_type, data_offset, chunk_data_size); 21218cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 21228cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 212320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 212420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 212520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 212620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 212720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 212820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 212920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 213020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 213105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Extractor::parseSegmentIndex(off64_t offset, size_t size) { 213205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseSegmentIndex"); 213305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 213405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 12) { 213505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 213605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 213705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 213805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 213905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 214005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 214105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 214205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 214305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t version = flags >> 24; 214405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen flags &= 0xffffff; 214505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 214605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx version %d", version); 214705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 214805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t referenceId; 214905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &referenceId)) { 215005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 215105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 215205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 215305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t timeScale; 215405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 8, &timeScale)) { 215505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 215605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 215705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx refid/timescale: %d/%d", referenceId, timeScale); 2158e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (timeScale == 0) 2159e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake return ERROR_MALFORMED; 216005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 216105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t earliestPresentationTime; 216205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t firstOffset; 216305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 216405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 216505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 12; 216605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 216705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (version == 0) { 216805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 216905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 217005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 217105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t tmp; 217205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 217305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 217405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 217505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen earliestPresentationTime = tmp; 217605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &tmp)) { 217705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 217805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 217905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen firstOffset = tmp; 218005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 218105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 218205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 218305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 16) { 218405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 218505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 218605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &earliestPresentationTime)) { 218705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 218805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 218905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset + 8, &firstOffset)) { 219005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 219105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 219205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 16; 219305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 16; 219405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 2195a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("sidx pres/off: %" PRIu64 "/%" PRIu64, earliestPresentationTime, firstOffset); 219605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 219705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 219805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 219905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 220005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 220105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint16_t referenceCount; 220205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt16(offset + 2, &referenceCount)) { 220305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 220405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 220505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 220605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 220705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("refcount: %d", referenceCount); 220805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 220905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < referenceCount * 12) { 221005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 221105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 221205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 221305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t total_duration = 0; 221405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (unsigned int i = 0; i < referenceCount; i++) { 221505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t d1, d2, d3; 221605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 221705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &d1) || // size 221805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 4, &d2) || // duration 221905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 8, &d3)) { // flags 222005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 222105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 222205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 222305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (d1 & 0x80000000) { 222405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGW("sub-sidx boxes not supported yet"); 222505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 222605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool sap = d3 & 0x80000000; 22273f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen uint32_t saptype = (d3 >> 28) & 7; 22283f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (!sap || (saptype != 1 && saptype != 2)) { 22293f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // type 1 and 2 are sync samples 22303f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen ALOGW("not a stream access point, or unsupported type: %08x", d3); 223105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 223205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen total_duration += d2; 223305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 223405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV(" item %d, %08x %08x %08x", i, d1, d2, d3); 223505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen SidxEntry se; 223605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mSize = d1 & 0x7fffffff; 223705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mDurationUs = 1000000LL * d2 / timeScale; 223805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSidxEntries.add(se); 223905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 224005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2241c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t sidxDuration = total_duration * 1000000 / timeScale; 224205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2243f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2244f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2245f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 224605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t metaDuration; 224705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mLastTrack->meta->findInt64(kKeyDuration, &metaDuration) || metaDuration == 0) { 2248c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mLastTrack->meta->setInt64(kKeyDuration, sidxDuration); 224905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 225005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 225105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 225205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 22538cfad968d5ec429b033caff9743f1ef15090be61Chong Zhangstatus_t MPEG4Extractor::parseQTMetaKey(off64_t offset, size_t size) { 22548cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (size < 8) { 22558cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22568cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22578cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22588cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t count; 22598cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 4, &count)) { 22608cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22618cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22628cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22638cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mMetaKeyMap.size() > 0) { 22648cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ALOGW("'keys' atom seen again, discarding existing entries"); 22658cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mMetaKeyMap.clear(); 22668cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22678cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22688cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t keyOffset = offset + 8; 22698cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t stopOffset = offset + size; 22708cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang for (size_t i = 1; i <= count; i++) { 22718cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (keyOffset + 8 > stopOffset) { 22728cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22738cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22748cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22758cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t keySize; 22768cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(keyOffset, &keySize) 22778cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || keySize < 8 22788cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || keyOffset + keySize > stopOffset) { 22798cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22808cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22818cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22828cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t type; 22838cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(keyOffset + 4, &type) 22848cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || type != FOURCC('m', 'd', 't', 'a')) { 22858cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22868cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22878cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22888cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keySize -= 8; 22898cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset += 8; 22908cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22918cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang sp<ABuffer> keyData = new ABuffer(keySize); 22928cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (keyData->data() == NULL) { 22938cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22948cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22958cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mDataSource->readAt( 22968cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset, keyData->data(), keySize) < (ssize_t) keySize) { 22978cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22988cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22998cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23008cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang AString key((const char *)keyData->data(), keySize); 23018cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mMetaKeyMap.add(i, key); 23028cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23038cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset += keySize; 23048cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23058cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 23068cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang} 23078cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23088cfad968d5ec429b033caff9743f1ef15090be61Chong Zhangstatus_t MPEG4Extractor::parseQTMetaVal( 23098cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang int32_t keyId, off64_t offset, size_t size) { 23108cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ssize_t index = mMetaKeyMap.indexOfKey(keyId); 23118cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (index < 0) { 23128cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // corresponding key is not present, ignore 23138cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23148cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 231505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 23168cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (size <= 16) { 23178cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23188cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23198cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t dataSize; 23208cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset, &dataSize) 23218cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || dataSize > size || dataSize <= 16) { 23228cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23238cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23248cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t atomFourCC; 23258cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 4, &atomFourCC) 23268cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || atomFourCC != FOURCC('d', 'a', 't', 'a')) { 23278cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23288cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23298cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t dataType; 23308cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 8, &dataType) 23318cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || ((dataType & 0xff000000) != 0)) { 23328cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // not well-known type 23338cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23348cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23358cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23368cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang dataSize -= 16; 23378cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang offset += 16; 23388cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23398cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (dataType == 23 && dataSize >= 4) { 23408cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // BE Float32 23418cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t val; 23428cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset, &val)) { 23438cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23448cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23458cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!strcasecmp(mMetaKeyMap[index].c_str(), "com.android.capture.fps")) { 23468cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mFileMetaData->setFloat(kKeyCaptureFramerate, *(float *)&val); 23478cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23488cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } else { 23498cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // add more keys if needed 23508cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ALOGV("ignoring key: type %d, size %d", dataType, dataSize); 23518cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23528cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23538cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 23548cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang} 235505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2356ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huberstatus_t MPEG4Extractor::parseTrackHeader( 2357c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t data_offset, off64_t data_size) { 2358ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (data_size < 4) { 2359ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 2360ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2361ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2362ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t version; 2363ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt(data_offset, &version, 1) < 1) { 2364ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 2365ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2366ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2367ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t dynSize = (version == 1) ? 36 : 24; 2368ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2369ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t buffer[36 + 60]; 2370ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2371c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (data_size != (off64_t)dynSize + 60) { 2372ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 2373ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2374ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2375ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt( 2376ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber data_offset, buffer, data_size) < (ssize_t)data_size) { 2377ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 2378ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2379ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2380b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe uint64_t ctime __unused, mtime __unused, duration __unused; 2381ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t id; 2382ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2383ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (version == 1) { 2384ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U64_AT(&buffer[4]); 2385ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U64_AT(&buffer[12]); 2386ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[20]); 2387ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U64_AT(&buffer[28]); 238804022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else if (version == 0) { 2389ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U32_AT(&buffer[4]); 2390ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U32_AT(&buffer[8]); 2391ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[12]); 2392ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U32_AT(&buffer[20]); 239304022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else { 239404022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen return ERROR_UNSUPPORTED; 2395ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2396ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2397f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2398f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2399f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 2400ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyTrackID, id); 2401ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2402ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t matrixOffset = dynSize + 16; 2403ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a00 = U32_AT(&buffer[matrixOffset]); 2404ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a01 = U32_AT(&buffer[matrixOffset + 4]); 2405ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a10 = U32_AT(&buffer[matrixOffset + 12]); 2406ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a11 = U32_AT(&buffer[matrixOffset + 16]); 2407ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2408ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#if 0 2409b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t dx = U32_AT(&buffer[matrixOffset + 8]); 2410b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t dy = U32_AT(&buffer[matrixOffset + 20]); 2411b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe 2412df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("x' = %.2f * x + %.2f * y + %.2f", 2413ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a00 / 65536.0f, a01 / 65536.0f, dx / 65536.0f); 2414df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("y' = %.2f * x + %.2f * y + %.2f", 2415ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a10 / 65536.0f, a11 / 65536.0f, dy / 65536.0f); 2416ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#endif 2417ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2418ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t rotationDegrees; 2419ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2420ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber static const int32_t kFixedOne = 0x10000; 2421ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (a00 == kFixedOne && a01 == 0 && a10 == 0 && a11 == kFixedOne) { 2422ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber // Identity, no rotation 2423ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 2424ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == kFixedOne && a10 == -kFixedOne && a11 == 0) { 2425ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 90; 2426ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == -kFixedOne && a10 == kFixedOne && a11 == 0) { 2427ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 270; 2428ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == -kFixedOne && a01 == 0 && a10 == 0 && a11 == -kFixedOne) { 2429ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 180; 2430ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else { 24315ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("We only support 0,90,180,270 degree rotation matrices"); 2432ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 2433ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2434ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2435ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (rotationDegrees != 0) { 2436ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyRotation, rotationDegrees); 2437ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2438ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2439b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // Handle presentation display size, which could be different 2440b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // from the image size indicated by kKeyWidth and kKeyHeight. 2441ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t width = U32_AT(&buffer[dynSize + 52]); 2442ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t height = U32_AT(&buffer[dynSize + 56]); 2443b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayWidth, width >> 16); 2444b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayHeight, height >> 16); 2445ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2446ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return OK; 2447ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber} 2448ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2449fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhéstatus_t MPEG4Extractor::parseITunesMetaData(off64_t offset, size_t size) { 2450c570778430a22b5488cae72982cf9fb8033dbda3Nick Kralevich if (size < 4 || size == SIZE_MAX) { 245172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 245272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 245372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 24548da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen uint8_t *buffer = new (std::nothrow) uint8_t[size + 1]; 24558da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 24568da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 24578da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 245872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 245972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber offset, buffer, size) != (ssize_t)size) { 246072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 246172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 246272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 246372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 246472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 246572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 246672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t flags = U32_AT(buffer); 246772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 246872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t metadataKey = 0; 24695d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen char chunk[5]; 24705d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen MakeFourCCString(mPath[4], chunk); 2471ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("meta: %s @ %lld", chunk, (long long)offset); 24722d0ac425564ff9882ebaac5267d1a04d4af67d00Bernhard Rosenkränzer switch ((int32_t)mPath[4]) { 247372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'a', 'l', 'b'): 247472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 247572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbum; 247672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 247772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 247872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'A', 'R', 'T'): 247972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 248072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyArtist; 248172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 248272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 248366ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen case FOURCC('a', 'A', 'R', 'T'): 248466ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen { 248566ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen metadataKey = kKeyAlbumArtist; 248666ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen break; 248766ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen } 248872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'd', 'a', 'y'): 248972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 249072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyYear; 249172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 249272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 249372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'n', 'a', 'm'): 249472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 249572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyTitle; 249672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 249772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 249872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'w', 'r', 't'): 249972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 250072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyWriter; 250172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 250272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 250372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('c', 'o', 'v', 'r'): 250472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 250572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbumArt; 250672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 250772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 250872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('g', 'n', 'r', 'e'): 250972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 251072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyGenre; 251172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 251272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 251326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC(0xa9, 'g', 'e', 'n'): 251426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 251526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey = kKeyGenre; 251626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 251726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 251811f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen case FOURCC('c', 'p', 'i', 'l'): 251911f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen { 252011f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen if (size == 9 && flags == 21) { 252111f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen char tmp[16]; 252211f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen sprintf(tmp, "%d", 252311f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen (int)buffer[size - 1]); 252411f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen 252511f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen mFileMetaData->setCString(kKeyCompilation, tmp); 252611f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 252711f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen break; 252811f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 252972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('t', 'r', 'k', 'n'): 253072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 253172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size == 16 && flags == 0) { 253272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char tmp[16]; 2533afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTrack = (uint16_t*)&buffer[10]; 2534afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalTracks = (uint16_t*)&buffer[12]; 2535afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pTrack), ntohs(*pTotalTracks)); 253672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 253772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyCDTrackNumber, tmp); 253872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 253972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 254072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 254126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC('d', 'i', 's', 'k'): 254226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 2543afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik if ((size == 14 || size == 16) && flags == 0) { 254426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen char tmp[16]; 2545afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pDisc = (uint16_t*)&buffer[10]; 2546afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalDiscs = (uint16_t*)&buffer[12]; 2547afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pDisc), ntohs(*pTotalDiscs)); 254826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 254926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString(kKeyDiscNumber, tmp); 255026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 255126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 255226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 25535d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 25545d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 25555d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen buffer[size] = '\0'; 25565d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen switch (mPath[5]) { 25575d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 25585d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.setTo((const char *)buffer + 4); 25595d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25605d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 25615d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.setTo((const char *)buffer + 4); 25625d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25635d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('d', 'a', 't', 'a'): 25645d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.setTo((const char *)buffer + 8); 25655d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25665d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25678c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25688c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // Once we have a set of mean/name/data info, go ahead and process 25698c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // it to see if its something we are interested in. Whether or not 25708c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // were are interested in the specific tag, make sure to clear out 25718c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // the set so we can be ready to process another tuple should one 25728c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // show up later in the file. 25738c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if ((mLastCommentMean.length() != 0) && 25748c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentName.length() != 0) && 25758c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentData.length() != 0)) { 25768c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25778c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (mLastCommentMean == "com.apple.iTunes" 25788c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman && mLastCommentName == "iTunSMPB") { 25798c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman int32_t delay, padding; 25808c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (sscanf(mLastCommentData, 25818c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman " %*x %x %x %*x", &delay, &padding) == 2) { 2582f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2583f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2584f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 25858c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); 25868c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderPadding, padding); 25878c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman } 25885d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25898c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25905d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 25915d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 25925d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 25935d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25945d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25955d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 259626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 259772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber default: 259872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 259972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 260072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 2601328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (size >= 8 && metadataKey && !mFileMetaData->hasData(metadataKey)) { 260272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (metadataKey == kKeyAlbumArt) { 260372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setData( 260472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber kKeyAlbumArt, MetaData::TYPE_NONE, 260572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer + 8, size - 8); 260672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else if (metadataKey == kKeyGenre) { 260772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (flags == 0) { 260826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // uint8_t genre code, iTunes genre codes are 260926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // the standard id3 codes, except they start 261026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // at 1 instead of 0 (e.g. Pop is 14, not 13) 261126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // We use standard id3 numbering, so subtract 1. 261226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen int genrecode = (int)buffer[size - 1]; 261326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode--; 261426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen if (genrecode < 0) { 261526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode = 255; // reserved for 'unknown genre' 261626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 261772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char genre[10]; 261826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen sprintf(genre, "%d", genrecode); 261972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 262072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(metadataKey, genre); 262126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } else if (flags == 1) { 262226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // custom genre string 262326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen buffer[size] = '\0'; 262426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 262526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString( 262626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey, (const char *)buffer + 8); 262772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 262872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 262972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer[size] = '\0'; 263072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 263172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString( 263272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey, (const char *)buffer + 8); 263372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 263472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 263572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 263672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 263772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 263872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 263972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return OK; 264072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 264172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 2642fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhéstatus_t MPEG4Extractor::parse3GPPMetaData(off64_t offset, size_t size, int depth) { 26435cea0155cfc41f67e91343c342f44251c03fde3aJoshua J. Drake if (size < 4 || size == SIZE_MAX) { 2644fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return ERROR_MALFORMED; 2645fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2646fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 26475cea0155cfc41f67e91343c342f44251c03fde3aJoshua J. Drake uint8_t *buffer = new (std::nothrow) uint8_t[size + 1]; 26488da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 26498da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 26508da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 2651fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (mDataSource->readAt( 2652fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé offset, buffer, size) != (ssize_t)size) { 2653fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé delete[] buffer; 2654fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé buffer = NULL; 2655fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2656fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return ERROR_IO; 2657fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2658fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2659fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé uint32_t metadataKey = 0; 2660fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé switch (mPath[depth]) { 2661fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('t', 'i', 't', 'l'): 2662fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2663fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyTitle; 2664fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2665fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2666fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('p', 'e', 'r', 'f'): 2667fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2668fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyArtist; 2669fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2670fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2671fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'u', 't', 'h'): 2672fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2673fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyWriter; 2674fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2675fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2676fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('g', 'n', 'r', 'e'): 2677fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2678fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyGenre; 2679fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2680fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2681fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'l', 'b', 'm'): 2682fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2683fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (buffer[size - 1] != '\0') { 2684fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char tmp[4]; 2685fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé sprintf(tmp, "%u", buffer[size - 1]); 2686fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2687fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(kKeyCDTrackNumber, tmp); 2688fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2689fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2690fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyAlbum; 2691fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2692fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2693fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('y', 'r', 'r', 'c'): 2694fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2695fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char tmp[5]; 2696fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé uint16_t year = U16_AT(&buffer[4]); 2697fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2698fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (year < 10000) { 2699fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé sprintf(tmp, "%u", year); 2700fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2701fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(kKeyYear, tmp); 2702fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2703fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2704fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2705fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2706fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé default: 2707fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2708fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2709fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2710fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (metadataKey > 0) { 2711fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé bool isUTF8 = true; // Common case 2712fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char16_t *framedata = NULL; 2713fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé int len16 = 0; // Number of UTF-16 characters 2714fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2715fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // smallest possible valid UTF-16 string w BOM: 0xfe 0xff 0x00 0x00 27169458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake if (size < 6) { 27179458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake return ERROR_MALFORMED; 27189458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake } 27199458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake 2720fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (size - 6 >= 4) { 2721fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé len16 = ((size - 6) / 2) - 1; // don't include 0x0000 terminator 2722fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata = (char16_t *)(buffer + 6); 2723fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (0xfffe == *framedata) { 2724fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // endianness marker (BOM) doesn't match host endianness 2725fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé for (int i = 0; i < len16; i++) { 2726fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata[i] = bswap_16(framedata[i]); 2727fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2728fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // BOM is now swapped to 0xfeff, we will execute next block too 2729fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2730fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2731fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (0xfeff == *framedata) { 2732fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // Remove the BOM 2733fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata++; 2734fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé len16--; 2735fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé isUTF8 = false; 2736fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2737fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // else normal non-zero-length UTF-8 string 2738fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // we can't handle UTF-16 without BOM as there is no other 2739fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // indication of encoding. 2740fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2741fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2742fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (isUTF8) { 27435cea0155cfc41f67e91343c342f44251c03fde3aJoshua J. Drake buffer[size] = 0; 2744fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(metadataKey, (const char *)buffer + 6); 2745fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } else { 2746fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // Convert from UTF-16 string to UTF-8 string. 2747fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé String8 tmpUTF8str(framedata, len16); 2748fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(metadataKey, tmpUTF8str.string()); 2749fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2750fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2751fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2752fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé delete[] buffer; 2753fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé buffer = NULL; 2754fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2755fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return OK; 2756fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé} 2757fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2758328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhévoid MPEG4Extractor::parseID3v2MetaData(off64_t offset) { 2759328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé ID3 id3(mDataSource, true /* ignorev1 */, offset); 2760328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2761328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (id3.isValid()) { 2762328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé struct Map { 2763328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé int key; 2764328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const char *tag1; 2765328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const char *tag2; 2766328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé }; 2767328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé static const Map kMap[] = { 2768328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAlbum, "TALB", "TAL" }, 2769328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyArtist, "TPE1", "TP1" }, 2770328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAlbumArtist, "TPE2", "TP2" }, 2771328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyComposer, "TCOM", "TCM" }, 2772328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyGenre, "TCON", "TCO" }, 2773328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyTitle, "TIT2", "TT2" }, 2774328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyYear, "TYE", "TYER" }, 2775328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAuthor, "TXT", "TEXT" }, 2776328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyCDTrackNumber, "TRK", "TRCK" }, 2777328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyDiscNumber, "TPA", "TPOS" }, 2778328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyCompilation, "TCP", "TCMP" }, 2779328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé }; 2780328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé static const size_t kNumMapEntries = sizeof(kMap) / sizeof(kMap[0]); 2781328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2782328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé for (size_t i = 0; i < kNumMapEntries; ++i) { 2783328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (!mFileMetaData->hasData(kMap[i].key)) { 2784328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé ID3::Iterator *it = new ID3::Iterator(id3, kMap[i].tag1); 2785328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (it->done()) { 2786328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2787328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé it = new ID3::Iterator(id3, kMap[i].tag2); 2788328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2789328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2790328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (it->done()) { 2791328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2792328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé continue; 2793328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2794328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2795328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé String8 s; 2796328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé it->getString(&s); 2797328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2798328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2799328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setCString(kMap[i].key, s); 2800328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2801328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2802328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2803328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé size_t dataSize; 2804328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé String8 mime; 2805328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const void *data = id3.getAlbumArt(&dataSize, &mime); 2806328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2807328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (data) { 2808328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setData(kKeyAlbumArt, MetaData::TYPE_NONE, data, dataSize); 2809328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setCString(kKeyAlbumArtMIME, mime.string()); 2810328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2811328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2812328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé} 2813328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2814693d271e62a3726689ff68f4505ba49228eb94b2Andreas Hubersp<MediaSource> MPEG4Extractor::getTrack(size_t index) { 281520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 281620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 2817693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 281820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 281920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 282020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 282120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (index > 0) { 282220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (track == NULL) { 2823693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 282420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 282520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 282620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 282720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber --index; 282820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 282920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2830371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber if (track == NULL) { 2831371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber return NULL; 2832371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber } 2833371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 2834c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 2835c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex *trex = NULL; 2836c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen int32_t trackId; 2837c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (track->meta->findInt32(kKeyTrackID, &trackId)) { 2838c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen for (size_t i = 0; i < mTrex.size(); i++) { 2839c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex *t = &mTrex.editItemAt(index); 2840c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (t->track_ID == (uint32_t) trackId) { 2841c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen trex = t; 2842c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 2843c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2844c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2845c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2846c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 2847a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("getTrack called, pssh: %zu", mPssh.size()); 2848ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2849942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen return new MPEG4Source(this, 285005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta, mDataSource, track->timescale, track->sampleTable, 2851c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mSidxEntries, trex, mMoofOffset); 285220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 285320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2854bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber// static 2855bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huberstatus_t MPEG4Extractor::verifyTrack(Track *track) { 2856bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const char *mime; 2857bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber CHECK(track->meta->findCString(kKeyMIMEType, &mime)); 2858bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2859bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber uint32_t type; 2860bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const void *data; 2861bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber size_t size; 2862bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 2863bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyAVCC, &type, &data, &size) 2864bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeAVCC) { 2865bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2866bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 28673b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC)) { 28683b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!track->meta->findData(kKeyHVCC, &type, &data, &size) 28693b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar || type != kTypeHVCC) { 28703b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar return ERROR_MALFORMED; 28713b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 2872bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) 2873ae0c0a17e824356eb55a6692ff8dee6cdc050401Harish Mahendrakar || !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG2) 2874bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { 2875bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyESDS, &type, &data, &size) 2876bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeESDS) { 2877bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2878bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2879bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2880bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2881ce171998009e1abcb0c718c0aee495fcd33645e2Robert Shih if (track->sampleTable == NULL || !track->sampleTable->isValid()) { 2882169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber // Make sure we have all the metadata we need. 2883ce171998009e1abcb0c718c0aee495fcd33645e2Robert Shih ALOGE("stbl atom missing/invalid."); 2884169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber return ERROR_MALFORMED; 2885169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber } 2886169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber 28872e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang if (track->timescale == 0) { 28882e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang ALOGE("timescale invalid."); 28892e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang return ERROR_MALFORMED; 28902e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang } 28912e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang 2892bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return OK; 2893bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber} 2894bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2895f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivitypedef enum { 2896f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_NONE = -1, 2897f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_NULL_OBJECT = 0, 2898f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_MAIN = 1, /**< Main profile */ 2899f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_AAC_LC = 2, /**< Low Complexity object */ 2900f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SSR = 3, 2901f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_LTP = 4, 2902f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_SBR = 5, 2903f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SCAL = 6, 2904f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_TWIN_VQ = 7, 2905f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_CELP = 8, 2906f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_HVXC = 9, 2907f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_10 = 10, /**< (reserved) */ 2908f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_11 = 11, /**< (reserved) */ 2909f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_TTSI = 12, /**< TTSI Object */ 2910f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MAIN_SYNTH = 13, /**< Main Synthetic object */ 2911f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_WAV_TAB_SYNTH = 14, /**< Wavetable Synthesis object */ 2912f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_GEN_MIDI = 15, /**< General MIDI object */ 2913f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ALG_SYNTH_AUD_FX = 16, /**< Algorithmic Synthesis and Audio FX object */ 2914f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_LC = 17, /**< Error Resilient(ER) AAC Low Complexity */ 2915f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_18 = 18, /**< (reserved) */ 2916f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_AAC_LTP = 19, /**< Error Resilient(ER) AAC LTP object */ 2917f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_SCAL = 20, /**< Error Resilient(ER) AAC Scalable object */ 2918f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_TWIN_VQ = 21, /**< Error Resilient(ER) TwinVQ object */ 2919f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_BSAC = 22, /**< Error Resilient(ER) BSAC object */ 2920f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_LD = 23, /**< Error Resilient(ER) AAC LowDelay object */ 2921f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_CELP = 24, /**< Error Resilient(ER) CELP object */ 2922f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_HVXC = 25, /**< Error Resilient(ER) HVXC object */ 2923f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_HILN = 26, /**< Error Resilient(ER) HILN object */ 2924f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_PARA = 27, /**< Error Resilient(ER) Parametric object */ 2925f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_28 = 28, /**< might become SSC */ 2926f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_PS = 29, /**< PS, Parametric Stereo (includes SBR) */ 2927f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MPEGS = 30, /**< MPEG Surround */ 2928f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2929f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ESCAPE = 31, /**< Signal AOT uses more than 5 bits */ 2930f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2931f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L1 = 32, /**< MPEG-Layer1 in mp4 */ 2932f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L2 = 33, /**< MPEG-Layer2 in mp4 */ 2933f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L3 = 34, /**< MPEG-Layer3 in mp4 */ 2934f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_35 = 35, /**< might become DST */ 2935f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_36 = 36, /**< might become ALS */ 2936f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SLS = 37, /**< AAC + SLS */ 2937f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_SLS = 38, /**< SLS */ 2938f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_AAC_ELD = 39, /**< AAC Enhanced Low Delay */ 2939f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2940f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_USAC = 42, /**< USAC */ 2941f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_SAOC = 43, /**< SAOC */ 2942f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_LD_MPEGS = 44, /**< Low Delay MPEG Surround */ 2943f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2944f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD50 = 50, /**< Interim AOT for Rsvd50 */ 2945f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi} AUDIO_OBJECT_TYPE; 2946f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2947ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huberstatus_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( 2948ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size) { 2949ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber ESDS esds(esds_data, esds_size); 295081f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 295181f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint8_t objectTypeIndication; 295281f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (esds.getObjectTypeIndication(&objectTypeIndication) != OK) { 295381f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return ERROR_MALFORMED; 295481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 295581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 295681f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (objectTypeIndication == 0xe1) { 295781f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber // This isn't MPEG4 audio at all, it's QCELP 14k... 2958f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2959f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2960f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 296181f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_QCELP); 296281f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return OK; 296381f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 296481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 2965633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong if (objectTypeIndication == 0x6b) { 2966633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // The media subtype is MP3 audio 2967633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // Our software MP3 audio decoder may not be able to handle 2968633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // packetized MP3 audio; for now, lets just return ERROR_UNSUPPORTED 296929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("MP3 track in MP4/3GPP file is not supported"); 2970633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong return ERROR_UNSUPPORTED; 2971633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong } 2972633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong 2973ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const uint8_t *csd; 2974ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber size_t csd_size; 2975ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (esds.getCodecSpecificInfo( 2976ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber (const void **)&csd, &csd_size) != OK) { 2977ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2978ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2979ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2980b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe if (kUseHexDump) { 2981ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar printf("ESD of size %zu\n", csd_size); 2982b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe hexdump(csd, csd_size); 2983b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe } 2984ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2985a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber if (csd_size == 0) { 2986a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // There's no further information, i.e. no codec specific data 2987a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // Let's assume that the information provided in the mpeg4 headers 2988a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // is accurate and hope for the best. 2989a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2990a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber return OK; 2991a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber } 2992a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2993ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (csd_size < 2) { 2994ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2995ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2996ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 299700307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent static uint32_t kSamplingRate[] = { 299800307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 299900307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 16000, 12000, 11025, 8000, 7350 300000307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent }; 300100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 3002aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke ABitReader br(csd, csd_size); 3003aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t objectType = br.getBits(5); 3004ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3005aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke if (objectType == 31) { // AAC-ELD => additional 6 bits 3006aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke objectType = 32 + br.getBits(6); 3007ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3008ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3009f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 3010f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 3011f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 3012db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent //keep AOT type 3013db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent mLastTrack->meta->setInt32(kKeyAACAOT, objectType); 3014db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent 3015aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t freqIndex = br.getBits(4); 3016aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke 3017ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t sampleRate = 0; 3018ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t numChannels = 0; 3019ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (freqIndex == 15) { 30208e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 28) return ERROR_MALFORMED; 3021aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke sampleRate = br.getBits(24); 3022aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke numChannels = br.getBits(4); 3023ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } else { 30248e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 4) return ERROR_MALFORMED; 3025595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen numChannels = br.getBits(4); 302600307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 302700307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (freqIndex == 13 || freqIndex == 14) { 302800307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent return ERROR_MALFORMED; 3029ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3030ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 303100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent sampleRate = kSamplingRate[freqIndex]; 303200307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } 3033595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen 3034f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_SBR || objectType == AOT_PS) {//SBR specific config per 14496-3 table 1.13 30358e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 4) return ERROR_MALFORMED; 303600307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent uint32_t extFreqIndex = br.getBits(4); 3037b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t extSampleRate __unused; 303800307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (extFreqIndex == 15) { 303900307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (csd_size < 8) { 3040595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen return ERROR_MALFORMED; 3041595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 30428e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 24) return ERROR_MALFORMED; 304300307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent extSampleRate = br.getBits(24); 304400307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } else { 304500307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (extFreqIndex == 13 || extFreqIndex == 14) { 304600307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent return ERROR_MALFORMED; 304700307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } 304800307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent extSampleRate = kSamplingRate[extFreqIndex]; 3049595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 305000307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent //TODO: save the extension sampling rate value in meta data => 305100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent // mLastTrack->meta->setInt32(kKeyExtSampleRate, extSampleRate); 3052ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3053ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3054f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi switch (numChannels) { 3055f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi // values defined in 14496-3_2009 amendment-4 Table 1.19 - Channel Configuration 3056f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 0: 3057f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 1:// FC 3058f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 2:// FL FR 3059f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 3:// FC, FL FR 3060f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 4:// FC, FL FR, RC 3061f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 5:// FC, FL FR, SL SR 3062f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 6:// FC, FL FR, SL SR, LFE 3063f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //numChannels already contains the right value 3064f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3065f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 11:// FC, FL FR, SL SR, RC, LFE 3066f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = 7; 3067f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3068f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 7: // FC, FCL FCR, FL FR, SL SR, LFE 3069f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 12:// FC, FL FR, SL SR, RL RR, LFE 3070f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 14:// FC, FL FR, SL SR, LFE, FHL FHR 3071f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = 8; 3072f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3073f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi default: 3074f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi return ERROR_UNSUPPORTED; 3075f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3076f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3077f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi { 3078f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_SBR || objectType == AOT_PS) { 30798e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 5) return ERROR_MALFORMED; 3080f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType = br.getBits(5); 3081f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3082f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_ESCAPE) { 30838e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 6) return ERROR_MALFORMED; 3084f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType = 32 + br.getBits(6); 3085f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3086f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3087f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_AAC_LC || objectType == AOT_ER_AAC_LC || 3088f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType == AOT_ER_AAC_LD || objectType == AOT_ER_AAC_SCAL || 3089f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType == AOT_ER_BSAC) { 30908e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 2) return ERROR_MALFORMED; 3091b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t frameLengthFlag __unused = br.getBits(1); 3092f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3093f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t dependsOnCoreCoder = br.getBits(1); 3094f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3095f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (dependsOnCoreCoder ) { 30968e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 14) return ERROR_MALFORMED; 3097b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t coreCoderDelay __unused = br.getBits(14); 3098f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3099f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 310045452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih int32_t extensionFlag = -1; 310145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih if (br.numBitsLeft() > 0) { 310245452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = br.getBits(1); 310345452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } else { 310445452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih switch (objectType) { 310545452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih // 14496-3 4.5.1.1 extensionFlag 310645452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_AAC_LC: 310745452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = 0; 310845452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 310945452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_LC: 311045452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_SCAL: 311145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_BSAC: 311245452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_LD: 311345452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = 1; 311445452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 311545452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih default: 31168e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen return ERROR_MALFORMED; 311745452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 311845452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } 311945452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih ALOGW("csd missing extension flag; assuming %d for object type %u.", 312045452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag, objectType); 312145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } 3122f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 312345452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih if (numChannels == 0) { 3124f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int32_t channelsEffectiveNum = 0; 3125f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int32_t channelsNum = 0; 31268e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 32) { 31278e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen return ERROR_MALFORMED; 31288e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen } 3129b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t ElementInstanceTag __unused = br.getBits(4); 3130b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t Profile __unused = br.getBits(2); 3131b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t SamplingFrequencyIndex __unused = br.getBits(4); 3132f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumFrontChannelElements = br.getBits(4); 3133f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumSideChannelElements = br.getBits(4); 3134f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumBackChannelElements = br.getBits(4); 3135f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumLfeChannelElements = br.getBits(2); 3136b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t NumAssocDataElements __unused = br.getBits(3); 3137b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t NumValidCcElements __unused = br.getBits(4); 3138f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3139f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t MonoMixdownPresent = br.getBits(1); 31408e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen 3141f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (MonoMixdownPresent != 0) { 31428e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 4) return ERROR_MALFORMED; 3143b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t MonoMixdownElementNumber __unused = br.getBits(4); 3144f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3145f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 31468e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 1) return ERROR_MALFORMED; 3147f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t StereoMixdownPresent = br.getBits(1); 3148f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (StereoMixdownPresent != 0) { 31498e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 4) return ERROR_MALFORMED; 3150b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t StereoMixdownElementNumber __unused = br.getBits(4); 3151f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3152f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 31538e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 1) return ERROR_MALFORMED; 3154f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t MatrixMixdownIndexPresent = br.getBits(1); 3155f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (MatrixMixdownIndexPresent != 0) { 31568e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 3) return ERROR_MALFORMED; 3157b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t MatrixMixdownIndex __unused = br.getBits(2); 3158b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t PseudoSurroundEnable __unused = br.getBits(1); 3159f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3160f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3161f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int i; 3162f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumFrontChannelElements; i++) { 31638e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 5) return ERROR_MALFORMED; 3164f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t FrontElementIsCpe = br.getBits(1); 3165b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t FrontElementTagSelect __unused = br.getBits(4); 3166f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += FrontElementIsCpe ? 2 : 1; 3167f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3168f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3169f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumSideChannelElements; i++) { 31708e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 5) return ERROR_MALFORMED; 3171f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t SideElementIsCpe = br.getBits(1); 3172b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t SideElementTagSelect __unused = br.getBits(4); 3173f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += SideElementIsCpe ? 2 : 1; 3174f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3175f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3176f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumBackChannelElements; i++) { 31778e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 5) return ERROR_MALFORMED; 3178f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t BackElementIsCpe = br.getBits(1); 3179b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t BackElementTagSelect __unused = br.getBits(4); 3180f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += BackElementIsCpe ? 2 : 1; 3181f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3182f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsEffectiveNum = channelsNum; 3183f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3184f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumLfeChannelElements; i++) { 31858e0cc331a5b2e24016d8c5b8da11591cdd7c0fc0Marco Nelissen if (br.numBitsLeft() < 4) return ERROR_MALFORMED; 3186b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t LfeElementTagSelect __unused = br.getBits(4); 3187f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += 1; 3188f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3189f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi ALOGV("mpeg4 audio channelsNum = %d", channelsNum); 3190f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi ALOGV("mpeg4 audio channelsEffectiveNum = %d", channelsEffectiveNum); 3191f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = channelsNum; 3192f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3193f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3194f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3195f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3196ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (numChannels == 0) { 3197ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_UNSUPPORTED; 3198ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3199ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3200f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 3201f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 3202f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 3203ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevSampleRate; 3204ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeySampleRate, &prevSampleRate)); 3205ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3206ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevSampleRate != sampleRate) { 32073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio sample rate different from previous setting. " 3208ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevSampleRate, sampleRate); 3209ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3210ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3211ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeySampleRate, sampleRate); 3212ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3213ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevChannelCount; 3214ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeyChannelCount, &prevChannelCount)); 3215ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3216ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevChannelCount != numChannels) { 32173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio channel count different from previous setting. " 3218ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevChannelCount, numChannels); 3219ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3220ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3221ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeyChannelCount, numChannels); 3222ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3223ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return OK; 3224ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber} 3225ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 322620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 322720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 322820111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::MPEG4Source( 3229942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen const sp<MPEG4Extractor> &owner, 323020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const sp<MetaData> &format, 3231693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 323248c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 323305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 323405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 3235c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *trex, 323605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset) 3237942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen : mOwner(owner), 3238942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen mFormat(format), 323920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDataSource(dataSource), 324048c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mTimescale(timeScale), 324120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mSampleTable(sampleTable), 324220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex(0), 324305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentFragmentIndex(0), 324405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSegments(sidx), 3245c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mTrex(trex), 324605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mFirstMoofOffset(firstMoofOffset), 324705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset(firstMoofOffset), 324805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime(0), 3249ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize(0), 3250ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes(NULL), 3251ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize(0), 3252ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets(NULL), 325320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mIsAVC(false), 32543b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mIsHEVC(false), 32556064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize(0), 325620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted(false), 325720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup(NULL), 325820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer(NULL), 3259dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments(false), 32600024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer(NULL) { 3261ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3262c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen memset(&mTrackFragmentHeaderInfo, 0, sizeof(mTrackFragmentHeaderInfo)); 3263c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 3264ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoMode, &mCryptoMode); 326548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mDefaultIVSize = 0; 3266ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoDefaultIVSize, &mDefaultIVSize); 3267ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t keytype; 3268ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen const void *key; 3269ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen size_t keysize; 3270ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mFormat->findData(kKeyCryptoKey, &keytype, &key, &keysize)) { 3271ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(keysize <= 16); 3272ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(mCryptoKey, 0, 16); 3273ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(mCryptoKey, key, keysize); 3274ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3275ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 327620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const char *mime; 327720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool success = mFormat->findCString(kKeyMIMEType, &mime); 3278dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(success); 327920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 328018291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber mIsAVC = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC); 32813b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mIsHEVC = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC); 32826064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32836064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber if (mIsAVC) { 32846064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber uint32_t type; 32856064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const void *data; 32866064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t size; 32876064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(format->findData(kKeyAVCC, &type, &data, &size)); 32886064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32896064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const uint8_t *ptr = (const uint8_t *)data; 32906064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32916064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(size >= 7); 3292ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 32936064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32946064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // The number of bytes used to encode the length of a NAL unit. 32956064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize = 1 + (ptr[4] & 3); 32963b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } else if (mIsHEVC) { 32973b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar uint32_t type; 32983b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar const void *data; 32993b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar size_t size; 33003b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK(format->findData(kKeyHVCC, &type, &data, &size)); 33013b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 33023b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar const uint8_t *ptr = (const uint8_t *)data; 33033b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 33043b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK(size >= 7); 33053b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 33063b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 33073b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mNALLengthSize = 1 + (ptr[14 + 7] & 3); 33086064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 330905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 331005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(format->findInt32(kKeyTrackID, &mTrackId)); 331105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 331205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset != 0) { 331305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = mFirstMoofOffset; 331405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&offset); 331505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 331620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 331720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 331820111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::~MPEG4Source() { 331920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mStarted) { 332020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber stop(); 332120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 3322ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoSizes); 3323ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoOffsets); 332420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 332520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::start(MetaData *params) { 33277b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 33287b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3329dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(!mStarted); 333020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 333120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t val; 3332dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (params && params->findInt32(kKeyWantsNALFragments, &val) 333320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber && val != 0) { 3334dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = true; 333520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 3336dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = false; 333720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 333820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3339afd492436efc7f66b958da14659b52232efa5910Marco Nelissen int32_t tmp; 3340afd492436efc7f66b958da14659b52232efa5910Marco Nelissen CHECK(mFormat->findInt32(kKeyMaxInputSize, &tmp)); 3341afd492436efc7f66b958da14659b52232efa5910Marco Nelissen size_t max_size = tmp; 334220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3343afd492436efc7f66b958da14659b52232efa5910Marco Nelissen // A somewhat arbitrary limit that should be sufficient for 8k video frames 3344afd492436efc7f66b958da14659b52232efa5910Marco Nelissen // If you see the message below for a valid input stream: increase the limit 3345afd492436efc7f66b958da14659b52232efa5910Marco Nelissen if (max_size > 64 * 1024 * 1024) { 3346afd492436efc7f66b958da14659b52232efa5910Marco Nelissen ALOGE("bogus max input size: %zu", max_size); 3347afd492436efc7f66b958da14659b52232efa5910Marco Nelissen return ERROR_MALFORMED; 3348afd492436efc7f66b958da14659b52232efa5910Marco Nelissen } 3349afd492436efc7f66b958da14659b52232efa5910Marco Nelissen mGroup = new MediaBufferGroup; 3350738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber mGroup->add_buffer(new MediaBuffer(max_size)); 33510024245e134467d120b40099da16c467dc365e76Andreas Huber 33528da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen mSrcBuffer = new (std::nothrow) uint8_t[max_size]; 33538da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (mSrcBuffer == NULL) { 33548da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen // file probably specified a bad max size 3355afd492436efc7f66b958da14659b52232efa5910Marco Nelissen delete mGroup; 3356afd492436efc7f66b958da14659b52232efa5910Marco Nelissen mGroup = NULL; 33578da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 33588da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 335920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 336020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = true; 336120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 336220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 336320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 336420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 336520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::stop() { 33667b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 33677b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3368dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 336920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 337020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 337120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 337220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 337320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 337420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 33750024245e134467d120b40099da16c467dc365e76Andreas Huber delete[] mSrcBuffer; 33760024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer = NULL; 33770024245e134467d120b40099da16c467dc365e76Andreas Huber 337820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete mGroup; 337920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup = NULL; 338020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 338120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = false; 338220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex = 0; 338320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 338420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 338520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 338620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 338705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseChunk(off64_t *offset) { 338805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t hdr[2]; 338905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset, hdr, 8) < 8) { 339005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 339105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 339205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t chunk_size = ntohl(hdr[0]); 339305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t chunk_type = ntohl(hdr[1]); 339405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t data_offset = *offset + 8; 339505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 339605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size == 1) { 339705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset + 8, &chunk_size, 8) < 8) { 339805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 339905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen chunk_size = ntoh64(chunk_size); 340105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen data_offset += 8; 340205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 340305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size < 16) { 340405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 16 bytes long in this case. 340505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 340605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (chunk_size < 8) { 340805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 8 bytes long. 340905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 341005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 341105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 341205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunk[5]; 341305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunk_type, chunk); 3414ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("MPEG4Source chunk %s @ %#llx", chunk, (long long)*offset); 341505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 341605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t chunk_data_size = *offset + chunk_size - data_offset; 341705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 341805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen switch(chunk_type) { 341905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 342005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'a', 'f'): 342105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('m', 'o', 'o', 'f'): { 342205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t stop_offset = *offset + chunk_size; 342305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset = data_offset; 342405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (*offset < stop_offset) { 342505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = parseChunk(offset); 342605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 342705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 342805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 342905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 343005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 34313f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // *offset points to the box following this moof. Find the next moof from there. 34323f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen 34333f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen while (true) { 34343f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (mDataSource->readAt(*offset, hdr, 8) < 8) { 34353f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen return ERROR_END_OF_STREAM; 34363f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 34373f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen chunk_size = ntohl(hdr[0]); 34383f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen chunk_type = ntohl(hdr[1]); 34393f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 34403f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen mNextMoofOffset = *offset; 34413f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen break; 34423f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 34433f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen *offset += chunk_size; 34443f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 344505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 344605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 344705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 344805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 344905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'f', 'h', 'd'): { 345005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 345105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentHeader(data_offset, chunk_data_size)) != OK) { 345205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 345305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 345405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 345505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 345605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 345705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 345805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'u', 'n'): { 345905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 346005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId == mTrackId) { 346105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentRun(data_offset, chunk_data_size)) != OK) { 346205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 346305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 346405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 346505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 346605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 346705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 346805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 346905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3470ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'z'): { 3471ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 3472ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationSizes(data_offset, chunk_data_size)) != OK) { 3473ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 3474ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3475ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3476ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3477ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3478ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'o'): { 3479ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 3480ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationOffsets(data_offset, chunk_data_size)) != OK) { 3481ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 3482ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3483ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3484ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3485ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3486ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3487ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('m', 'd', 'a', 't'): { 3488ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse DRM info if present 3489ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Source::parseChunk mdat"); 3490ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // if saiz/saoi was previously observed, do something with the sampleinfos 3491ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3492ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3493ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3494ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 349505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen default: { 349605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 349705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 349805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 349905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 350005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 350105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 350205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 350384333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MPEG4Source::parseSampleAuxiliaryInformationSizes( 350484333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber off64_t offset, off64_t /* size */) { 3505ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationSizes"); 3506ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.12 3507ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 3508ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt( 3509ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset, &version, sizeof(version)) 3510ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen < (ssize_t)sizeof(version)) { 3511ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3512ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3513ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3514ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version != 0) { 3515ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_UNSUPPORTED; 3516ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3517ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3518ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3519ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 3520ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 3521ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3522ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3523ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 3524ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3525ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (flags & 1) { 3526ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 3527ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3528ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3529ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3530ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoType = tmp; 3531ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3532ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3533ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3534ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3535ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoTypeParameter = tmp; 3536ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3537ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3538ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3539ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t defsize; 3540ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &defsize, 1) != 1) { 3541ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3542ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3543ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentDefaultSampleInfoSize = defsize; 3544ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3545ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3546ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t smplcnt; 3547ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &smplcnt)) { 3548ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3549ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 355048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mCurrentSampleInfoCount = smplcnt; 3551ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3552ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 355348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (mCurrentDefaultSampleInfoSize != 0) { 355448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen ALOGV("@@@@ using default sample info size of %d", mCurrentDefaultSampleInfoSize); 355548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return OK; 355648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 3557ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (smplcnt > mCurrentSampleInfoAllocSize) { 3558ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes = (uint8_t*) realloc(mCurrentSampleInfoSizes, smplcnt); 3559ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize = smplcnt; 3560ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3561ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3562ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mDataSource->readAt(offset, mCurrentSampleInfoSizes, smplcnt); 3563ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 3564ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 3565ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 356684333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MPEG4Source::parseSampleAuxiliaryInformationOffsets( 356784333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber off64_t offset, off64_t /* size */) { 3568ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationOffsets"); 3569ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.13 3570ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 3571ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &version, sizeof(version)) != 1) { 3572ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3573ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3574ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3575ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3576ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 3577ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 3578ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3579ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3580ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 3581ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3582ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t entrycount; 3583ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &entrycount)) { 3584ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3585ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3586ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3587c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia if (entrycount == 0) { 3588c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia return OK; 3589c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia } 3590c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia if (entrycount > UINT32_MAX / 8) { 3591c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia return ERROR_MALFORMED; 3592c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia } 3593ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3594ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (entrycount > mCurrentSampleInfoOffsetsAllocSize) { 3595c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia uint64_t *newPtr = (uint64_t *)realloc(mCurrentSampleInfoOffsets, entrycount * 8); 3596c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia if (newPtr == NULL) { 3597c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia return NO_MEMORY; 3598c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia } 3599c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia mCurrentSampleInfoOffsets = newPtr; 3600ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize = entrycount; 3601ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3602ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetCount = entrycount; 3603ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3604c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia if (mCurrentSampleInfoOffsets == NULL) { 3605c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia return OK; 3606c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia } 3607c51ab7dd82bf4e24666fc72a55e03e2f530204d5Wei Jia 3608ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < entrycount; i++) { 3609ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version == 0) { 3610ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 3611ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3612ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3613ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3614ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 3615ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3616ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } else { 3617ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t tmp; 3618ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt64(offset, &tmp)) { 3619ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3620ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3621ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 3622ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 8; 3623ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3624ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3625ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3626ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse clear/encrypted data 3627ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3628ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen off64_t drmoffset = mCurrentSampleInfoOffsets[0]; // from moof 3629ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3630ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += mCurrentMoofOffset; 3631ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int ivlength; 3632ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(mFormat->findInt32(kKeyCryptoDefaultIVSize, &ivlength)); 363348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 3634529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen // only 0, 8 and 16 byte initialization vectors are supported 3635529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen if (ivlength != 0 && ivlength != 8 && ivlength != 16) { 3636529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen ALOGW("unsupported IV length: %d", ivlength); 3637529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen return ERROR_MALFORMED; 3638529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen } 363948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // read CencSampleAuxiliaryDataFormats 3640ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mCurrentSampleInfoCount; i++) { 3641529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen if (i >= mCurrentSamples.size()) { 3642529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen ALOGW("too few samples"); 3643529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen break; 3644529c595b083f8a4c3175e2350fba5547e6008e00Marco Nelissen } 3645ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Sample *smpl = &mCurrentSamples.editItemAt(i); 3646ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3647ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(smpl->iv, 0, 16); 3648ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(drmoffset, smpl->iv, ivlength) != ivlength) { 3649ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3650ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3651ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3652ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += ivlength; 3653ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 365448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t smplinfosize = mCurrentDefaultSampleInfoSize; 365548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize == 0) { 365648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smplinfosize = mCurrentSampleInfoSizes[i]; 3657ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 365848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize > ivlength) { 365948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numsubsamples; 366048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numsubsamples)) { 3661ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3662ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3663ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += 2; 366448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen for (size_t j = 0; j < numsubsamples; j++) { 366548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numclear; 366648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t numencrypted; 366748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numclear)) { 366848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 366948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 367048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 2; 367148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt32(drmoffset, &numencrypted)) { 367248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 367348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 367448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 4; 367548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(numclear); 367648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(numencrypted); 3677ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 367848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } else { 367948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(0); 368048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(smpl->size); 3681ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3682ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3683ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3684ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3685ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 3686ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 3687ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 368805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentHeader(off64_t offset, off64_t size) { 368905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 369005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 369105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 369205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 369305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 369405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 3695ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { // actually version + flags 369605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 369705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 369805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 369905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 370005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 370105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 370205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 370305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, (uint32_t*)&mLastParsedTrackId)) { 370405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 370505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 370605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 370705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId != mTrackId) { 370805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this is not the right track, skip it 370905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 371005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 371105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 371205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mFlags = flags; 371305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mTrackID = mLastParsedTrackId; 371405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 371505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 371605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 371705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment header: %08x %08x", flags, mTrackFragmentHeaderInfo.mTrackID); 371805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 371905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent) { 372005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 372105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 372205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 372305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 372405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &mTrackFragmentHeaderInfo.mBaseDataOffset)) { 372505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 372605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 372705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 372805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 372905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 373005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 373105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kSampleDescriptionIndexPresent) { 373205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 373305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 373405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 373505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 373605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mSampleDescriptionIndex)) { 373705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 373805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 373905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 374005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 374105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 374205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 374305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 374405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 374505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 374605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 374705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 374805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleDuration)) { 374905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 375005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 375105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 375205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 375305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 375405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 375505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 375605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 375705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 375805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 375905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 376005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleSize)) { 376105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 376205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 376305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 376405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 376505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 376605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 376705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 376805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 376905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 377005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 377105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 377205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleFlags)) { 377305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 377405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 377505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 377605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 377705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 377805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 377905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!(flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent)) { 378005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mBaseDataOffset = mCurrentMoofOffset; 378105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 378205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 378305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = 0; 378405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 378505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 378605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 378705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentRun(off64_t offset, off64_t size) { 378805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 378905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseTrackFragmentRun"); 379005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 379105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 379205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 379305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 379405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum { 379505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDataOffsetPresent = 0x01, 379605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kFirstSampleFlagsPresent = 0x04, 379705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDurationPresent = 0x100, 379805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleSizePresent = 0x200, 379905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleFlagsPresent = 0x400, 380005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleCompositionTimeOffsetPresent = 0x800, 380105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 380205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 380305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 380405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 380505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 380605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 380705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment run flags: %08x", flags); 380805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 380905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 381005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 381105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 381205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 381305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((flags & kFirstSampleFlagsPresent) && (flags & kSampleFlagsPresent)) { 381405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // These two shall not be used together. 381505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 381605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 381705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 381805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleCount; 381905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &sampleCount)) { 382005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 382105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 382205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 382305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 382405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 382505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t dataOffset = mTrackFragmentHeaderInfo.mDataOffset; 382605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 382705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t firstSampleFlags = 0; 382805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 382905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kDataOffsetPresent) { 383005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 383105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 383205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 383305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 383405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t dataOffsetDelta; 383505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, (uint32_t*)&dataOffsetDelta)) { 383605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 383705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 383805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 383905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset = mTrackFragmentHeaderInfo.mBaseDataOffset + dataOffsetDelta; 384005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 384105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 384205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 384305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 384405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 384505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kFirstSampleFlagsPresent) { 384605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 384705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 384805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 384905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 385005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &firstSampleFlags)) { 385105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 385205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 385305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 385405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 385505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 385605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 385705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleDuration = 0, sampleSize = 0, sampleFlags = 0, 385805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 385905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 386005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t bytesPerSample = 0; 386105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 386205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 386305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 386405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 386505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleDuration = mTrackFragmentHeaderInfo.mDefaultSampleDuration; 3866c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else if (mTrex) { 3867c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen sampleDuration = mTrex->default_sample_duration; 386805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 386905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 387005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 387105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 387205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 387305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 387405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 387505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 387605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 387705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 387805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 387905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 388005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 388105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 388205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 388305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 388405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 388505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 388605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 388705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 388805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 388905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 389005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 389105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 389205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 389305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3894ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar if (size < (off64_t)(sampleCount * bytesPerSample)) { 389505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 389605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 389705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 389805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Sample tmp; 389905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (uint32_t i = 0; i < sampleCount; ++i) { 390005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 390105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleDuration)) { 390205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 390305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 390405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 390505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 390605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 390705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 390805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleSize)) { 390905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 391005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 391105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 391205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 391305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 391405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 391505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleFlags)) { 391605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 391705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 391805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 391905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 392005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 392105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 392205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleCtsOffset)) { 392305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 392405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 392505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 392605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 392705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3928a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("adding sample %d at offset 0x%08" PRIx64 ", size %u, duration %u, " 3929ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen " flags 0x%08x", i + 1, 393005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset, sampleSize, sampleDuration, 393105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (flags & kFirstSampleFlagsPresent) && i == 0 393205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ? firstSampleFlags : sampleFlags); 393305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.offset = dataOffset; 393405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.size = sampleSize; 393505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.duration = sampleDuration; 3936c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen tmp.compositionOffset = sampleCtsOffset; 393705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.add(tmp); 393805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 393905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset += sampleSize; 394005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 394105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 394205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = dataOffset; 394305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 394405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 394505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 394605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 394720111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubersp<MetaData> MPEG4Source::getFormat() { 39487b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 39497b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 395020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return mFormat; 395120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 395220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 39536064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Hubersize_t MPEG4Source::parseNALSize(const uint8_t *data) const { 39546064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber switch (mNALLengthSize) { 39556064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 1: 39566064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return *data; 39576064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 2: 39586064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U16_AT(data); 39596064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 3: 39606064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return ((size_t)data[0] << 16) | U16_AT(&data[1]); 39616064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 4: 39626064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U32_AT(data); 39636064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 39646064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 39656064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // This cannot happen, mNALLengthSize springs to life by adding 1 to 39666064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // a 2-bit integer. 39676064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(!"Should not be here."); 39686064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 39696064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return 0; 39706064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber} 39716064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 397220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::read( 397320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer **out, const ReadOptions *options) { 39747b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 39757b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3976dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 397720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 397805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset > 0) { 397905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return fragmentedRead(out, options); 398005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 398105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 398220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = NULL; 398320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3984abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber int64_t targetSampleTimeUs = -1; 3985abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 398620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int64_t seekTimeUs; 3987abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber ReadOptions::SeekMode mode; 3988abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (options && options->getSeekTo(&seekTimeUs, &mode)) { 3989abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t findFlags = 0; 3990abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber switch (mode) { 3991abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_PREVIOUS_SYNC: 3992abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 3993abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3994abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_NEXT_SYNC: 3995abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagAfter; 3996abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3997abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST_SYNC: 3998abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST: 3999abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagClosest; 4000abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 4001abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber default: 4002abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK(!"Should not be here."); 4003abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 4004abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4005abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 400620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t sampleIndex; 4007abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber status_t err = mSampleTable->findSampleAtTime( 4008599950efbb03b1672561d4cf2272504b879525e8Lajos Molnar seekTimeUs, 1000000, mTimescale, 4009abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber &sampleIndex, findFlags); 4010abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4011abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 4012abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // We found the closest sample already, now we want the sync 4013abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // sample preceding it (or the sample itself of course), even 4014abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // if the subsequent sync sample is closer. 4015abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 4016abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4017abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4018abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleIndex; 4019abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (err == OK) { 4020abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber err = mSampleTable->findSyncSampleNear( 4021abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleIndex, &syncSampleIndex, findFlags); 4022abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 402320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4024788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber uint32_t sampleTime; 4025788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber if (err == OK) { 4026788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber err = mSampleTable->getMetaDataForSample( 4027788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber sampleIndex, NULL, NULL, &sampleTime); 4028788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber } 4029788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber 403020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 40315295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber if (err == ERROR_OUT_OF_RANGE) { 40325295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // An attempt to seek past the end of the stream would 40335295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // normally cause this ERROR_OUT_OF_RANGE error. Propagating 40345295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // this all the way to the MediaPlayer would cause abnormal 40355295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // termination. Legacy behaviour appears to be to behave as if 40365295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // we had seeked to the end of stream, ending normally. 40375295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber err = ERROR_END_OF_STREAM; 40385295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber } 403905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("end of stream"); 404020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 404120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 404220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4043abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 4044abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber targetSampleTimeUs = (sampleTime * 1000000ll) / mTimescale; 4045abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4046abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4047abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#if 0 4048abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleTime; 4049abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK_EQ(OK, mSampleTable->getMetaDataForSample( 4050abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleIndex, NULL, NULL, &syncSampleTime)); 4051abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4052df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("seek to time %lld us => sample at time %lld us, " 4053abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber "sync sample at time %lld us", 4054abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber seekTimeUs, 4055abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleTime * 1000000ll / mTimescale, 4056abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleTime * 1000000ll / mTimescale); 4057abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#endif 4058abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4059abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mCurrentSampleIndex = syncSampleIndex; 406020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 406120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 406220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 406320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 406420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 406520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // fall through 406620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 406720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4068c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset; 40690024245e134467d120b40099da16c467dc365e76Andreas Huber size_t size; 4070170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih uint32_t cts, stts; 40718bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber bool isSyncSample; 4072dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool newBuffer = false; 4073dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer == NULL) { 4074dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber newBuffer = true; 407520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4076c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber status_t err = 4077c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber mSampleTable->getMetaDataForSample( 4078170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mCurrentSampleIndex, &offset, &size, &cts, &isSyncSample, &stts); 407920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4080dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 4081dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 4082dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4083dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4084dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber err = mGroup->acquire_buffer(&mBuffer); 4085c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber 4086dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 4087ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK(mBuffer == NULL); 4088dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 4089dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4090c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen if (size > mBuffer->size()) { 4091c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen ALOGE("buffer too small: %zu > %zu", size, mBuffer->size()); 4092c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen return ERROR_BUFFER_TOO_SMALL; 4093c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen } 40940024245e134467d120b40099da16c467dc365e76Andreas Huber } 409520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 40963b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if ((!mIsAVC && !mIsHEVC) || mWantsNALFragments) { 4097dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (newBuffer) { 4098dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ssize_t num_bytes_read = 409934769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 4100dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4101dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (num_bytes_read < (ssize_t)size) { 4102dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 4103dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4104dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4105dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 4106dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4107dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 41087b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 4109dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range(0, size); 4110dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->meta_data()->clear(); 411148c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 41124678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4113170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4114170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)stts * 1000000) / mTimescale); 4115abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4116abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 4117abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 4118abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 4119abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4120abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 41218bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 41228bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 41238bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 41248bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 4125dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ++mCurrentSampleIndex; 4126dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4127dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 41283b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!mIsAVC && !mIsHEVC) { 4129dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = mBuffer; 4130dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4131dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4132dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 4133dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4134dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4135dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Each NAL unit is split up into its constituent fragments and 4136dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // each one of them returned in its own buffer. 4137dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 41386064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(mBuffer->range_length() >= mNALLengthSize); 4139dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4140dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber const uint8_t *src = 4141dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 4142dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 41436064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t nal_size = parseNALSize(src); 4144e8a084958c27327b0aca749f69095605d2a21309Andreas Huber if (mBuffer->range_length() < mNALLengthSize + nal_size) { 414529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("incomplete NAL unit."); 4146e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4147e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer->release(); 4148e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer = NULL; 4149e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4150e8a084958c27327b0aca749f69095605d2a21309Andreas Huber return ERROR_MALFORMED; 4151e8a084958c27327b0aca749f69095605d2a21309Andreas Huber } 4152dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4153dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber MediaBuffer *clone = mBuffer->clone(); 41547b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(clone != NULL); 41556064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 4156dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 41577b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 4158dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range( 41596064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_offset() + mNALLengthSize + nal_size, 41606064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_length() - mNALLengthSize - nal_size); 4161dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4162dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer->range_length() == 0) { 4163dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 4164dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4165dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4166dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4167dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = clone; 4168dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4169dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 4170dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } else { 4171dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Whole NAL units are returned but each fragment is prefixed by 4172dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // the start code (0x00 00 00 01). 4173dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t num_bytes_read = 0; 4174dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t drm = 0; 4175dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 4176dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 4177dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = 4178dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDataSource->readAt(offset, (uint8_t*)mBuffer->data(), size); 4179dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 4180dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size); 4181dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 418220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 418320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (num_bytes_read < (ssize_t)size) { 418420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 418520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 418620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4187dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 418820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 418920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4190dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 4191dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 4192dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, size); 41936064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 4194dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 4195dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t *dstData = (uint8_t *)mBuffer->data(); 4196dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t srcOffset = 0; 4197dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t dstOffset = 0; 4198e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4199dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (srcOffset < size) { 4200bfed843041b6aaec13ee19996748a7a1476db9c8Lajos Molnar bool isMalFormed = !isInRange((size_t)0u, size, srcOffset, mNALLengthSize); 420134fe252c89e33572d01fea981b58d7b115e76164James Dong size_t nalLength = 0; 420234fe252c89e33572d01fea981b58d7b115e76164James Dong if (!isMalFormed) { 420334fe252c89e33572d01fea981b58d7b115e76164James Dong nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 420434fe252c89e33572d01fea981b58d7b115e76164James Dong srcOffset += mNALLengthSize; 4205bfed843041b6aaec13ee19996748a7a1476db9c8Lajos Molnar isMalFormed = !isInRange((size_t)0u, size, srcOffset, nalLength); 420634fe252c89e33572d01fea981b58d7b115e76164James Dong } 4207e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 420834fe252c89e33572d01fea981b58d7b115e76164James Dong if (isMalFormed) { 420929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Video is malformed"); 4210dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->release(); 4211dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer = NULL; 4212dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 4213dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4214dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 4215dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (nalLength == 0) { 4216dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang continue; 4217dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4218dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4219dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(dstOffset + 4 <= mBuffer->size()); 4220dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4221dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4222dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4223dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4224dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 1; 4225dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 4226dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang srcOffset += nalLength; 4227dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstOffset += nalLength; 4228dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4229dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK_EQ(srcOffset, size); 4230dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 4231dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, dstOffset); 4232dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4233dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 423420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->meta_data()->clear(); 423548c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 42364678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4237170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4238170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)stts * 1000000) / mTimescale); 4239abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4240abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 4241abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 4242abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 4243abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4244abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 42458bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 42468bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 42478bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 42488bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 424920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber ++mCurrentSampleIndex; 425020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 425120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = mBuffer; 425220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 425320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 425420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 425520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 425620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 425720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 425805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::fragmentedRead( 425905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer **out, const ReadOptions *options) { 426005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Source::fragmentedRead"); 426205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mStarted); 426405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = NULL; 426605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t targetSampleTimeUs = -1; 426805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t seekTimeUs; 427005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ReadOptions::SeekMode mode; 427105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (options && options->getSeekTo(&seekTimeUs, &mode)) { 427205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 427305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int numSidxEntries = mSegments.size(); 427405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (numSidxEntries != 0) { 427505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t totalTime = 0; 427605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t totalOffset = mFirstMoofOffset; 427705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (int i = 0; i < numSidxEntries; i++) { 427805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const SidxEntry *se = &mSegments[i]; 427905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (totalTime + se->mDurationUs > seekTimeUs) { 428005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The requested time is somewhere in this segment 42813f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if ((mode == ReadOptions::SEEK_NEXT_SYNC && seekTimeUs > totalTime) || 428205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (mode == ReadOptions::SEEK_CLOSEST_SYNC && 428305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (seekTimeUs - totalTime) > (totalTime + se->mDurationUs - seekTimeUs))) { 428405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // requested next sync, or closest sync and it was closer to the end of 428505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this segment 428605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 428705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 428805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 428905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 429005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 429105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 429205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 429305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 4294ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentMoofOffset = totalOffset; 4295ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSamples.clear(); 4296ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSampleIndex = 0; 4297ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen parseChunk(&totalOffset); 4298ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentTime = totalTime * mTimescale / 1000000ll; 4299ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen } else { 4300ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen // without sidx boxes, we can only seek to 0 4301ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentMoofOffset = mFirstMoofOffset; 4302ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSamples.clear(); 4303ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSampleIndex = 0; 4304ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen off64_t tmp = mCurrentMoofOffset; 4305ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen parseChunk(&tmp); 4306ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentTime = 0; 430705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 430805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 430905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer != NULL) { 431005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 431105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 431205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 431305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 431405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // fall through 431505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 431605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 431705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = 0; 4318442cc6dc48f8188e097617f7f804c314a9dacd0eAndreas Huber size_t size = 0; 431905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t cts = 0; 432005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool isSyncSample = false; 432105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool newBuffer = false; 432205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer == NULL) { 432305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen newBuffer = true; 432405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 432505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 43263f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // move to next fragment if there is one 43273f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (mNextMoofOffset <= mCurrentMoofOffset) { 43283f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen return ERROR_END_OF_STREAM; 43293f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 4330ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen off64_t nextMoof = mNextMoofOffset; 433105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset = nextMoof; 433205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.clear(); 433305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSampleIndex = 0; 433405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&nextMoof); 4335ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 4336ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen return ERROR_END_OF_STREAM; 4337ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen } 433805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 433905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 434005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 434105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset = smpl->offset; 434205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size = smpl->size; 4343c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen cts = mCurrentTime + smpl->compositionOffset; 434405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime += smpl->duration; 434505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen isSyncSample = (mCurrentSampleIndex == 0); // XXX 434605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 434705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = mGroup->acquire_buffer(&mBuffer); 434805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 434905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 435005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer == NULL); 435105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("acquire_buffer returned %d", err); 435205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 435305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 4354c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen if (size > mBuffer->size()) { 4355c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen ALOGE("buffer too small: %zu > %zu", size, mBuffer->size()); 4356c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen return ERROR_BUFFER_TOO_SMALL; 4357c1a104aaad2d84a57bf5d87dd030d2bef56bf541Marco Nelissen } 435805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 435905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 436048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 436148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const sp<MetaData> bufmeta = mBuffer->meta_data(); 436248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->clear(); 436348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smpl->encryptedsizes.size()) { 436448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // store clear/encrypted lengths in metadata 436548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyPlainSizes, 0, 436648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.array(), smpl->clearsizes.size() * 4); 436748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyEncryptedSizes, 0, 436848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.array(), smpl->encryptedsizes.size() * 4); 436948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoIV, 0, smpl->iv, 16); // use 16 or the actual size? 437048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoDefaultIVSize, mDefaultIVSize); 437148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoMode, mCryptoMode); 437248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoKey, 0, mCryptoKey, 16); 437348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 437448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 43753b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if ((!mIsAVC && !mIsHEVC)|| mWantsNALFragments) { 437605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (newBuffer) { 4377da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih if (!isInRange((size_t)0u, mBuffer->size(), size)) { 4378da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih mBuffer->release(); 4379da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih mBuffer = NULL; 4380da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih 4381da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih ALOGE("fragmentedRead ERROR_MALFORMED size %zu", size); 4382da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih return ERROR_MALFORMED; 4383da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } 4384da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih 438505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 438605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 438705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 438805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 438905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 439005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 439105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4392da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih ALOGE("i/o error"); 439305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 439405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 439505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 439605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 439705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 439805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 439905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4400170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4401170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)smpl->duration * 1000000) / mTimescale); 440205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 440305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 440405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 440505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 440605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 440705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 440805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 440905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 441005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 441105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 441205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 441305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 441405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 44153b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!mIsAVC && !mIsHEVC) { 441605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 441705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 441805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 441905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 442005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 442105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 442205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Each NAL unit is split up into its constituent fragments and 442305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // each one of them returned in its own buffer. 442405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 442505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer->range_length() >= mNALLengthSize); 442605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 442705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const uint8_t *src = 442805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 442905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nal_size = parseNALSize(src); 443105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() < mNALLengthSize + nal_size) { 443205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("incomplete NAL unit."); 443305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 443505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 443605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 443805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 443905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 444005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer *clone = mBuffer->clone(); 444105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(clone != NULL); 444205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 444305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 444405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 444505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range( 444605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_offset() + mNALLengthSize + nal_size, 444705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_length() - mNALLengthSize - nal_size); 444805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 444905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() == 0) { 445005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 445105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 445205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 445305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 445405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = clone; 445505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 445605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 445705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 445805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("whole NAL"); 445905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Whole NAL units are returned but each fragment is prefixed by 446005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // the start code (0x00 00 00 01). 446105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 0; 446205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t drm = 0; 446305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 4464da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih void *data = NULL; 4465da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih bool isMalFormed = false; 446605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 4467da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih if (mBuffer == NULL || !isInRange((size_t)0u, mBuffer->size(), size)) { 4468da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih isMalFormed = true; 4469da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } else { 4470da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih data = mBuffer->data(); 4471da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } 447205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 4473da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih int32_t max_size; 4474da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih if (mFormat == NULL 4475da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih || !mFormat->findInt32(kKeyMaxInputSize, &max_size) 4476da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih || !isInRange((size_t)0u, (size_t)max_size, size)) { 4477da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih isMalFormed = true; 4478da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } else { 4479da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih data = mSrcBuffer; 4480da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } 448105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 448205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4483da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih if (isMalFormed || data == NULL) { 4484da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih ALOGE("isMalFormed size %zu", size); 4485da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih if (mBuffer != NULL) { 4486da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih mBuffer->release(); 4487da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih mBuffer = NULL; 4488da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } 4489da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih return ERROR_MALFORMED; 4490da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih } 4491da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih num_bytes_read = mDataSource->readAt(offset, data, size); 4492da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih 449305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 449405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 449505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 449605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4497da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih ALOGE("i/o error"); 449805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 449905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 450005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 450105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 450205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 450305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 450405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 450505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 450605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint8_t *dstData = (uint8_t *)mBuffer->data(); 450705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t srcOffset = 0; 450805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t dstOffset = 0; 450905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 451005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (srcOffset < size) { 4511da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih isMalFormed = !isInRange((size_t)0u, size, srcOffset, mNALLengthSize); 451205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nalLength = 0; 451305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!isMalFormed) { 451405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 451505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += mNALLengthSize; 4516da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih isMalFormed = !isInRange((size_t)0u, size, srcOffset, nalLength) 4517da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih || !isInRange((size_t)0u, mBuffer->size(), dstOffset, (size_t)4u) 4518da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih || !isInRange((size_t)0u, mBuffer->size(), dstOffset + 4, nalLength); 451905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 452005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 452105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isMalFormed) { 4522da93c7a3bd0da4acb2d920d4549ad9e302690af1Robert Shih ALOGE("Video is malformed; nalLength %zu", nalLength); 452305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 452405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 452505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 452605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 452705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 452805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (nalLength == 0) { 452905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen continue; 453005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 453105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 453205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(dstOffset + 4 <= mBuffer->size()); 453305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 453405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 453505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 453605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 453705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 1; 453805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 453905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += nalLength; 454005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstOffset += nalLength; 454105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 454205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK_EQ(srcOffset, size); 454305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 454405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, dstOffset); 454505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 454605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 454705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 454805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4549170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4550170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)smpl->duration * 1000000) / mTimescale); 455105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 455205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 455305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 455405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 455505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 455605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 455705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 455805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 455905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 456005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 456105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 456205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 456305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 456405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 456505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 456605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 456705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 456805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 456905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4570bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas HuberMPEG4Extractor::Track *MPEG4Extractor::findTrackByMimePrefix( 4571bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mimePrefix) { 4572bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber for (Track *track = mFirstTrack; track != NULL; track = track->next) { 4573bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mime; 4574bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (track->meta != NULL 4575bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && track->meta->findCString(kKeyMIMEType, &mime) 4576bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && !strncasecmp(mime, mimePrefix, strlen(mimePrefix))) { 4577bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return track; 4578bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 4579bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 4580bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 4581bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return NULL; 4582bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber} 4583bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 45841b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool LegacySniffMPEG4( 4585693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence) { 458620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t header[8]; 458720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 458834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber ssize_t n = source->readAt(4, header, sizeof(header)); 458920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (n < (ssize_t)sizeof(header)) { 459020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 459120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 459220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 459320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (!memcmp(header, "ftyp3gp", 7) || !memcmp(header, "ftypmp42", 8) 4594b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3gr6", 8) || !memcmp(header, "ftyp3gs6", 8) 4595b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3ge6", 8) || !memcmp(header, "ftyp3gg6", 8) 45960dba73763a04d39faf999dcc5ef12af3c99535a7Andreas Huber || !memcmp(header, "ftypisom", 8) || !memcmp(header, "ftypM4V ", 8) 4597ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber || !memcmp(header, "ftypM4A ", 8) || !memcmp(header, "ftypf4v ", 8) 4598983b449a27b5fa91eca82ede5204b4341899be62Andreas Huber || !memcmp(header, "ftypkddi", 8) || !memcmp(header, "ftypM4VP", 8)) { 459918291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 46005a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4; 460120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 460220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return true; 460320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 460420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 460520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 460620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 460720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 46081b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool isCompatibleBrand(uint32_t fourcc) { 46091b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber static const uint32_t kCompatibleBrands[] = { 46101b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', 'm'), 46111b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', '2'), 46121b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('a', 'v', 'c', '1'), 46133b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar FOURCC('h', 'v', 'c', '1'), 46143b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar FOURCC('h', 'e', 'v', '1'), 46151b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('3', 'g', 'p', '4'), 46161b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '1'), 46171b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '2'), 46184cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong 46194cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Won't promise that the following file types can be played. 46204cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Just give these file types a chance. 46214cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('q', 't', ' ', ' '), // Apple's QuickTime 46224cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('M', 'S', 'N', 'V'), // Sony's PSP 462358fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber 462458fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'a'), // 3GPP2 462558fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'b'), 46261b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber }; 46271b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46281b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber for (size_t i = 0; 46291b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber i < sizeof(kCompatibleBrands) / sizeof(kCompatibleBrands[0]); 46301b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber ++i) { 46311b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (kCompatibleBrands[i] == fourcc) { 46321b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 46331b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46341b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46351b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46361b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 46371b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 46381b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46391b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// Attempt to actually parse the 'ftyp' atom and determine if a suitable 46401b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// compatible brand is present. 4641a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// Also try to identify where this file's metadata ends 4642a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// (end of the 'moov' atom) and report it to the caller as part of 4643a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// the metadata. 46441b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool BetterSniffMPEG4( 4645a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 4646a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 4647a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // We scan up to 128 bytes to identify this file as an MP4. 4648a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber static const off64_t kMaxScanOffset = 128ll; 46491b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4650a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t offset = 0ll; 4651a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool foundGoodFileType = false; 4652a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t moovAtomEndOffset = -1ll; 4653a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool done = false; 46541b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4655a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber while (!done && offset < kMaxScanOffset) { 4656a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t hdr[2]; 4657a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset, hdr, 8) < 8) { 4658a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4659a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4660a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4661a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint64_t chunkSize = ntohl(hdr[0]); 4662a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t chunkType = ntohl(hdr[1]); 4663a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataOffset = offset + 8; 4664a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4665a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize == 1) { 4666a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset + 8, &chunkSize, 8) < 8) { 46671b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 46681b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46691b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4670a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkSize = ntoh64(chunkSize); 4671a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset += 8; 4672a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4673a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize < 16) { 4674a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 16 bytes long in this case. 4675a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4676a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4677a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } else if (chunkSize < 8) { 4678a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 8 bytes long. 4679a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4680a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4681a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4682a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataSize = offset + chunkSize - chunkDataOffset; 4683a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 468405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunkstring[5]; 468505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunkType, chunkstring); 4686ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("saw chunk type %s, size %" PRIu64 " @ %lld", chunkstring, chunkSize, (long long)offset); 4687a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber switch (chunkType) { 4688a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('f', 't', 'y', 'p'): 4689a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 4690a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkDataSize < 8) { 4691a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4692a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4693a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4694a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t numCompatibleBrands = (chunkDataSize - 8) / 4; 4695a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber for (size_t i = 0; i < numCompatibleBrands + 2; ++i) { 4696a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (i == 1) { 4697a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // Skip this index, it refers to the minorVersion, 4698a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // not a brand. 4699a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber continue; 4700a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4701a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4702a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t brand; 4703a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt( 4704a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset + 4 * i, &brand, 4) < 4) { 4705a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4706a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4707a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4708a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber brand = ntohl(brand); 4709a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4710a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (isCompatibleBrand(brand)) { 4711a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber foundGoodFileType = true; 4712a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 4713a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4714a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4715a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4716a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 4717a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4718a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4719a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 47201b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber break; 47211b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 4722a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4723a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('m', 'o', 'o', 'v'): 4724a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 4725a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber moovAtomEndOffset = offset + chunkSize; 4726a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4727a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber done = true; 4728a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 4729a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4730a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4731a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber default: 4732a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 47331b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 4734a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4735a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber offset += chunkSize; 47361b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 47371b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4738a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 47391b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 47401b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 47411b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 47421b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 47435a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4f; 47441b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4745a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (moovAtomEndOffset >= 0) { 4746a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber *meta = new AMessage; 4747a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber (*meta)->setInt64("meta-data-size", moovAtomEndOffset); 4748a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4749ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("found metadata size: %lld", (long long)moovAtomEndOffset); 4750a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4751a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 47521b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 47531b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 47541b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 47551b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberbool SniffMPEG4( 47565a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 4757a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 4758a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (BetterSniffMPEG4(source, mimeType, confidence, meta)) { 47591b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 47601b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 47611b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 47621b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (LegacySniffMPEG4(source, mimeType, confidence)) { 47635ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Identified supported mpeg4 through LegacySniffMPEG4."); 47641b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 47651b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 47661b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 47671b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 47681b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 47691b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 477020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 4771