MPEG4Extractor.cpp revision 9458e715d391ee8fe455fc31f07ff35ce12e0531
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> 3620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBuffer.h> 3720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBufferGroup.h> 3818291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber#include <media/stagefright/MediaDefs.h> 3920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaSource.h> 4020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MetaData.h> 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/String8.h> 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 43fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé#include <byteswap.h> 44328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé#include "include/ID3.h" 45fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 4620111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Source : public MediaSource { 4920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 5020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Caller retains ownership of both "dataSource" and "sampleTable". 51942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen MPEG4Source(const sp<MPEG4Extractor> &owner, 52942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen const sp<MetaData> &format, 53693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 5448c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 5505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 5605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 57c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *trex, 5805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset); 5920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t start(MetaData *params = NULL); 6120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t stop(); 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual sp<MetaData> getFormat(); 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); 6605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t fragmentedRead(MediaBuffer **buffer, const ReadOptions *options = NULL); 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 68693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 69693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Source(); 70693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 7120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 727b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex mLock; 737b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 74942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen // keep the MPEG4Extractor around, since we're referencing its data 75942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen sp<MPEG4Extractor> mOwner; 7620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> mFormat; 77693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t mTimescale; 79693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> mSampleTable; 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t mCurrentSampleIndex; 8105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentFragmentIndex; 8205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &mSegments; 83c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *mTrex; 8405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mFirstMoofOffset; 8505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mCurrentMoofOffset; 8605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mNextMoofOffset; 8705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentTime; 8805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mLastParsedTrackId; 8905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mTrackId; 9020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 91ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mCryptoMode; // passed in from extractor 92ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mDefaultIVSize; // passed in from extractor 93ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t mCryptoKey[16]; // passed in from extractor 94ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoType; 95ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoTypeParameter; 9648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t mCurrentDefaultSampleInfoSize; 97ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoCount; 98ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoAllocSize; 99ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t* mCurrentSampleInfoSizes; 100ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetCount; 101ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetsAllocSize; 102ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t* mCurrentSampleInfoOffsets; 103ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 10420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mIsAVC; 1053b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar bool mIsHEVC; 1066064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t mNALLengthSize; 1076064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 10820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mStarted; 10920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBufferGroup *mGroup; 11120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer *mBuffer; 11320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 114dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool mWantsNALFragments; 11520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1160024245e134467d120b40099da16c467dc365e76Andreas Huber uint8_t *mSrcBuffer; 1170024245e134467d120b40099da16c467dc365e76Andreas Huber 1186064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t parseNALSize(const uint8_t *data) const; 11905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseChunk(off64_t *offset); 12005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentHeader(off64_t offset, off64_t size); 12105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentRun(off64_t offset, off64_t size); 122ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationSizes(off64_t offset, off64_t size); 123ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationOffsets(off64_t offset, off64_t size); 12405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 12505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct TrackFragmentHeaderInfo { 12605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum Flags { 12705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kBaseDataOffsetPresent = 0x01, 12805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDescriptionIndexPresent = 0x02, 12905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleDurationPresent = 0x08, 13005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleSizePresent = 0x10, 13105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleFlagsPresent = 0x20, 13205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDurationIsEmpty = 0x10000, 13305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 13405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 13505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mTrackID; 13605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mFlags; 13705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mBaseDataOffset; 13805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mSampleDescriptionIndex; 13905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleDuration; 14005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleSize; 14105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleFlags; 14205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 14305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mDataOffset; 14405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 14505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen TrackFragmentHeaderInfo mTrackFragmentHeaderInfo; 14605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 14705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct Sample { 14805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset; 14905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t size; 15005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t duration; 151c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen int32_t compositionOffset; 152ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t iv[16]; 153ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> clearsizes; 154ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> encryptedsizes; 15505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 15605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<Sample> mCurrentSamples; 1576064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 15820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source(const MPEG4Source &); 15920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source &operator=(const MPEG4Source &); 16020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 16120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 16250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This custom data source wraps an existing one and satisfies requests 16350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// falling entirely within a cached range from the cache while forwarding 16450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// all remaining requests to the wrapped datasource. 16550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This is used to cache the full sampletable metadata for a single track, 16650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// possibly wrapping multiple times to cover all tracks, i.e. 16750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// Each MPEG4DataSource caches the sampletable metadata for a single track. 16850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 16950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstruct MPEG4DataSource : public DataSource { 17050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const sp<DataSource> &source); 17150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual status_t initCheck() const; 173c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual ssize_t readAt(off64_t offset, void *data, size_t size); 174c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual status_t getSize(off64_t *size); 17550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual uint32_t flags(); 17650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 177c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t setCachedRange(off64_t offset, size_t size); 17850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprotected: 18050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual ~MPEG4DataSource(); 18150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprivate: 18350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex mLock; 18450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber sp<DataSource> mSource; 186c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mCachedOffset; 18750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber size_t mCachedSize; 18850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber uint8_t *mCache; 18950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber void clearCache(); 19150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const MPEG4DataSource &); 19350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource &operator=(const MPEG4DataSource &); 19450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber}; 19550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::MPEG4DataSource(const sp<DataSource> &source) 19750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber : mSource(source), 19850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset(0), 19950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize(0), 20050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache(NULL) { 20150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::~MPEG4DataSource() { 20450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 20550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Hubervoid MPEG4DataSource::clearCache() { 20850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (mCache) { 20950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber free(mCache); 21050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache = NULL; 21150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 21250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset = 0; 21450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize = 0; 21550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 21650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstatus_t MPEG4DataSource::initCheck() const { 21850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->initCheck(); 21950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 22050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 221c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t MPEG4DataSource::readAt(off64_t offset, void *data, size_t size) { 22250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex::Autolock autoLock(mLock); 22350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 22450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (offset >= mCachedOffset 22550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber && offset + size <= mCachedOffset + mCachedSize) { 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 528ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int psshsize = 0; 529ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 530ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen psshsize += 20 + mPssh[i].datalen; 531ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 532ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (psshsize) { 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); 1141ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (pssh.datalen + 20 > chunk_size) { 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. 149005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size + 10 * 2); 149105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 149205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // No size was specified. Pick a conservatively large size. 149305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t width, height; 1494f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar if (!mLastTrack->meta->findInt32(kKeyWidth, &width) || 1495f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar !mLastTrack->meta->findInt32(kKeyHeight, &height)) { 149605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("No width or height, assuming worst case 1080p"); 1497f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar width = 1920; 1498f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar height = 1080; 149905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1500f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar 15014256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen const char *mime; 15024256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1503f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar if (!strcmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 1504f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // AVC requires compression ratio of at least 2, and uses 1505f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // macroblocks 1506f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = ((width + 15) / 16) * ((height + 15) / 16) * 192; 1507f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar } else { 1508f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // For all other formats there is no minimum compression 1509f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // ratio. Use compression ratio of 1. 1510f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = width * height * 3 / 2; 151105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1512f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size); 151305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1514113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 15154256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // NOTE: setting another piece of metadata invalidates any pointers (such as the 15164256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // mimetype) previously obtained, so don't cache them. 1517113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong const char *mime; 1518113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1519113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong // Calculate average frame rate. 1520113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (!strncasecmp("video/", mime, 6)) { 1521113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong size_t nSamples = mLastTrack->sampleTable->countSamples(); 1522113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int64_t durationUs; 1523113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (mLastTrack->meta->findInt64(kKeyDuration, &durationUs)) { 1524113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (durationUs > 0) { 1525113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int32_t frameRate = (nSamples * 1000000LL + 1526113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong (durationUs >> 1)) / durationUs; 1527113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong mLastTrack->meta->setInt32(kKeyFrameRate, frameRate); 1528113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1529113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1530113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1531113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 153220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 153320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 153420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 153520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 't', 's'): 153620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1537274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1538274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1539274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15400517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15410517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 154220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 154320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setTimeToSampleParams( 154420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 154520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 154620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 154720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 154820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 154920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 155020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 155120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 155220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 15534931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber case FOURCC('c', 't', 't', 's'): 15544931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber { 1555274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1556274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1557274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15580517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15590517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 15604931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber status_t err = 15614931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber mLastTrack->sampleTable->setCompositionTimeToSampleParams( 15624931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber data_offset, chunk_data_size); 15634931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 15644931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber if (err != OK) { 15654931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber return err; 15664931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 15674931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 15684931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber break; 15694931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 15704931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 157120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 's'): 157220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1573274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake if ((mLastTrack == NULL) || (mLastTrack->sampleTable == NULL)) 1574274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake return ERROR_MALFORMED; 1575274f64c7d6367f13c7852256b10339a3b75529f2Joshua J. Drake 15760517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15770517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 157820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 157920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSyncSampleParams( 158020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 158120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 158220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 158320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 158420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 158520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 158620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 158720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 158820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1589e1b2ccf317301af42bb4b6631a3bcd7d8f519d00Chih-Hung Hsieh // �xyz 1590e1b2ccf317301af42bb4b6631a3bcd7d8f519d00Chih-Hung Hsieh case FOURCC(0xA9, 'x', 'y', 'z'): 15914948818cb91176df74c972ac27b2f392b5d148bcJames Dong { 15920517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 15930517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1594e1b2ccf317301af42bb4b6631a3bcd7d8f519d00Chih-Hung Hsieh // Best case the total data length inside "�xyz" box 1595e1b2ccf317301af42bb4b6631a3bcd7d8f519d00Chih-Hung Hsieh // would be 8, for instance "�xyz" + "\x00\x04\x15\xc7" + "0+0/", 15964948818cb91176df74c972ac27b2f392b5d148bcJames Dong // where "\x00\x04" is the text string length with value = 4, 15974948818cb91176df74c972ac27b2f392b5d148bcJames Dong // "\0x15\xc7" is the language code = en, and "0+0" is a 15984948818cb91176df74c972ac27b2f392b5d148bcJames Dong // location (string) value with longitude = 0 and latitude = 0. 15994948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (chunk_data_size < 8) { 16004948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 16014948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16024948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16034948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Worst case the location string length would be 18, 16044948818cb91176df74c972ac27b2f392b5d148bcJames Dong // for instance +90.0000-180.0000, without the trailing "/" and 16054948818cb91176df74c972ac27b2f392b5d148bcJames Dong // the string length + language code. 16064948818cb91176df74c972ac27b2f392b5d148bcJames Dong char buffer[18]; 16074948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16084948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Substracting 5 from the data size is because the text string length + 16094948818cb91176df74c972ac27b2f392b5d148bcJames Dong // language code takes 4 bytes, and the trailing slash "/" takes 1 byte. 16104948818cb91176df74c972ac27b2f392b5d148bcJames Dong off64_t location_length = chunk_data_size - 5; 16114948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (location_length >= (off64_t) sizeof(buffer)) { 16124948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 16134948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16144948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16154948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (mDataSource->readAt( 16164948818cb91176df74c972ac27b2f392b5d148bcJames Dong data_offset + 4, buffer, location_length) < location_length) { 16174948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_IO; 16184948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16194948818cb91176df74c972ac27b2f392b5d148bcJames Dong 16204948818cb91176df74c972ac27b2f392b5d148bcJames Dong buffer[location_length] = '\0'; 16214948818cb91176df74c972ac27b2f392b5d148bcJames Dong mFileMetaData->setCString(kKeyLocation, buffer); 16224948818cb91176df74c972ac27b2f392b5d148bcJames Dong break; 16234948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 16244948818cb91176df74c972ac27b2f392b5d148bcJames Dong 162520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('e', 's', 'd', 's'): 162620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 16270517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 16280517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 162920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 4) { 163020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 163120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 163220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 163320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[256]; 1634c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size > (off64_t)sizeof(buffer)) { 163520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_BUFFER_TOO_SMALL; 163620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 163720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 163834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 163920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, chunk_data_size) < chunk_data_size) { 164020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 164120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 164220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 164320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (U32_AT(buffer) != 0) { 164420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Should be version 0, flags 0. 164520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 164620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 164720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1648f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1649f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1650f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 165120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 165220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber kKeyESDS, kTypeESDS, &buffer[4], chunk_data_size - 4); 165320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1654ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (mPath.size() >= 2 1655ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber && mPath[mPath.size() - 2] == FOURCC('m', 'p', '4', 'a')) { 1656ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // Information from the ESDS must be relied on for proper 1657ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // setup of sample rate and channel count for MPEG4 Audio. 1658ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // The generic header appears to only contain generic 1659ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // information... 1660ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1661ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t err = updateAudioTrackInfoFromESDS_MPEG4Audio( 1662ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber &buffer[4], chunk_data_size - 4); 1663ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1664ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (err != OK) { 1665ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return err; 1666ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1667ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1668ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 166920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 167020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 167120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 167220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', 'C'): 167320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 16740517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 16750517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1676d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson sp<ABuffer> buffer = new ABuffer(chunk_data_size); 167720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 167834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 1679d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson data_offset, buffer->data(), chunk_data_size) < chunk_data_size) { 168020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 168120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 168220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1683f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1684f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1685f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 168620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 1687d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson kKeyAVCC, kTypeAVCC, buffer->data(), chunk_data_size); 168820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 168920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 169020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 16913b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar case FOURCC('h', 'v', 'c', 'C'): 16923b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar { 16933b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar sp<ABuffer> buffer = new ABuffer(chunk_data_size); 16943b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 16953b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (mDataSource->readAt( 16963b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar data_offset, buffer->data(), chunk_data_size) < chunk_data_size) { 16973b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar return ERROR_IO; 16983b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 16993b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 1700f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1701f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1702f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 17033b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mLastTrack->meta->setData( 17043b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar kKeyHVCC, kTypeHVCC, buffer->data(), chunk_data_size); 17053b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 17063b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar *offset += chunk_size; 17073b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar break; 17083b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 170920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1710244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong case FOURCC('d', '2', '6', '3'): 1711244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong { 17120517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 171317e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong /* 171417e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * d263 contains a fixed 7 bytes part: 171517e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * vendor - 4 bytes 171617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * version - 1 byte 171717e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * level - 1 byte 171817e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * profile - 1 byte 171917e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * optionally, "d263" box itself may contain a 16-byte 172017e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * bit rate box (bitr) 172117e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * average bit rate - 4 bytes 172217e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * max bit rate - 4 bytes 172317e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong */ 172417e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong char buffer[23]; 172517e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong if (chunk_data_size != 7 && 172617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong chunk_data_size != 23) { 1727ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGE("Incorrect D263 box size %lld", (long long)chunk_data_size); 1728244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_MALFORMED; 1729244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1730244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1731244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong if (mDataSource->readAt( 1732244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong data_offset, buffer, chunk_data_size) < chunk_data_size) { 1733244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_IO; 1734244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1735244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1736f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1737f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1738f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 1739244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong mLastTrack->meta->setData(kKeyD263, kTypeD263, buffer, chunk_data_size); 1740244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1741244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong break; 1742244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1743244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 174472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'e', 't', 'a'): 174572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 17468cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t stop_offset = *offset + chunk_size; 17478cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset = data_offset; 17488cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang bool isParsingMetaKeys = underQTMetaPath(mPath, 2); 17498cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!isParsingMetaKeys) { 17508cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint8_t buffer[4]; 17518cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (chunk_data_size < (off64_t)sizeof(buffer)) { 17528cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17538cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 17548cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 1755bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 17568cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mDataSource->readAt( 17578cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang data_offset, buffer, 4) < 4) { 17588cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17598cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_IO; 17608cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 176172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 17628cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (U32_AT(buffer) != 0) { 17638cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // Should be version 0, flags 0. 1764ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber 17658cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // If it's not, let's assume this is one of those 17668cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // apparently malformed chunks that don't have flags 17678cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // and completely different semantics than what's 17688cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // in the MPEG4 specs and skip it. 17698cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 17708cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 17718cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 17728cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += sizeof(buffer); 177372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 177472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 177572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber while (*offset < stop_offset) { 177672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseChunk(offset, depth + 1); 177772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 177872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 177972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 178072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 1781bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1782bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1783bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1784bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 178572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 178672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 178772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 17885d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 17895d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 179072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('d', 'a', 't', 'a'): 179172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 17920517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 17930517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 179472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mPath.size() == 6 && underMetaDataPath(mPath)) { 1795fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t err = parseITunesMetaData(data_offset, chunk_data_size); 179672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 179772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 179872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 179972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 180072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 180172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 180272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 180372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 180472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 180572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'v', 'h', 'd'): 180672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 18070517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 18080517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1809c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 32) { 181072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 181172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 181272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1813c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint8_t header[32]; 181472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 181572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber data_offset, header, sizeof(header)) 181672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber < (ssize_t)sizeof(header)) { 181772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 181872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 181972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1820fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint64_t creationTime; 1821c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t duration = 0; 182272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (header[0] == 1) { 182372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U64_AT(&header[4]); 1824fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[20]); 1825c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = U64_AT(&header[24]); 1826c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (duration == 0xffffffffffffffff) { 1827c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = 0; 1828c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1829bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (header[0] != 0) { 1830bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 183172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 183272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U32_AT(&header[4]); 1833fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[12]); 1834c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t d32 = U32_AT(&header[16]); 1835c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (d32 == 0xffffffff) { 1836c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen d32 = 0; 1837c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1838c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = d32; 1839c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1840e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (duration != 0 && mHeaderTimescale != 0) { 1841c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mFileMetaData->setInt64(kKeyDuration, duration * 1000000 / mHeaderTimescale); 184272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 184372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 184472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber String8 s; 184572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber convertTimeToDate(creationTime, &s); 184672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 184772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyDate, s.string()); 184872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 184972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 185072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 185172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1852c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen case FOURCC('m', 'e', 'h', 'd'): 1853c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen { 1854c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen *offset += chunk_size; 1855c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1856c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 8) { 1857c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1858c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1859c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1860c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint8_t flags[4]; 1861c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (mDataSource->readAt( 1862c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen data_offset, flags, sizeof(flags)) 1863c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen < (ssize_t)sizeof(flags)) { 1864c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1865c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1866c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1867c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t duration = 0; 1868c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (flags[0] == 1) { 1869c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 64 bit 1870c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 12) { 1871c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1872c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1873c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mDataSource->getUInt64(data_offset + 4, &duration); 1874c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (duration == 0xffffffffffffffff) { 1875c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = 0; 1876c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1877c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else if (flags[0] == 0) { 1878c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen // 32 bit 1879c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t d32; 1880c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mDataSource->getUInt32(data_offset + 4, &d32); 1881c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (d32 == 0xffffffff) { 1882c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen d32 = 0; 1883c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1884c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen duration = d32; 1885c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else { 1886c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_MALFORMED; 1887c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1888c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1889e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (duration != 0 && mHeaderTimescale != 0) { 1890c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mFileMetaData->setInt64(kKeyDuration, duration * 1000000 / mHeaderTimescale); 1891c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1892c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1893c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 1894c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1895c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1896dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang case FOURCC('m', 'd', 'a', 't'): 1897dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang { 1898ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("mdat chunk, drm: %d", mIsDrm); 1899928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 1900928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang mMdatFound = true; 1901928da1e9631bc7f5a5484c4668646c161515aee6Chong Zhang 1902dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (!mIsDrm) { 1903dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *offset += chunk_size; 1904dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang break; 1905dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1906dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1907dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (chunk_size < 8) { 1908dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 1909dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1910dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1911dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return parseDrmSINF(offset, data_offset); 1912dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1913dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 19143b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang case FOURCC('h', 'd', 'l', 'r'): 19153b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang { 19160517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 19170517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 1918ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang if (underQTMetaPath(mPath, 3)) { 1919ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang break; 1920ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang } 1921ef185e94ce624146e3b1f3cbdb2404e833a0f81dChong Zhang 19223b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t buffer; 19233b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (mDataSource->readAt( 19243b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang data_offset + 8, &buffer, 4) < 4) { 19253b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 19263b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19273b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 1928f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1929f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1930f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 19313b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type = ntohl(buffer); 19323b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For the 3GPP file format, the handler-type within the 'hdlr' box 1933e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // shall be 'text'. We also want to support 'sbtl' handler type 1934e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // for a practical reason as various MPEG4 containers use it. 1935e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang if (type == FOURCC('t', 'e', 'x', 't') || type == FOURCC('s', 'b', 't', 'l')) { 19363b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_TEXT_3GPP); 19373b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19383b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19393b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang break; 19403b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19413b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19428cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang case FOURCC('k', 'e', 'y', 's'): 19438cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang { 19448cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang *offset += chunk_size; 19458cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 19468cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (underQTMetaPath(mPath, 3)) { 19478cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang parseQTMetaKey(data_offset, chunk_data_size); 19488cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 19498cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang break; 19508cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 19518cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 1952c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen case FOURCC('t', 'r', 'e', 'x'): 1953c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen { 1954c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen *offset += chunk_size; 1955c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 1956c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (chunk_data_size < 24) { 1957c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1958c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1959c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex trex; 1960c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (!mDataSource->getUInt32(data_offset + 4, &trex.track_ID) || 1961c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 8, &trex.default_sample_description_index) || 1962c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 12, &trex.default_sample_duration) || 1963c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 16, &trex.default_sample_size) || 1964c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen !mDataSource->getUInt32(data_offset + 20, &trex.default_sample_flags)) { 1965c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen return ERROR_IO; 1966c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1967c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mTrex.add(trex); 1968c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 1969c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 1970c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 19717a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang case FOURCC('t', 'x', '3', 'g'): 19727a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang { 1973f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 1974f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 1975f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 19763b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type; 19773b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang const void *data; 19783b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size_t size = 0; 19793b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (!mLastTrack->meta->findData( 19803b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, &type, &data, &size)) { 19813b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size = 0; 19823b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19833b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19848da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen uint8_t *buffer = new (std::nothrow) uint8_t[size + chunk_size]; 19858da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 19868da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 19878da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 19883b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19893b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (size > 0) { 19903b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang memcpy(buffer, data, size); 19913b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 19923b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19933b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if ((size_t)(mDataSource->readAt(*offset, buffer + size, chunk_size)) 19943b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang < chunk_size) { 19953b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 19963b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang buffer = NULL; 19973b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 19980517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen // advance read pointer so we don't end up reading this again 19990517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20003b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 20013b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 20023b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20033b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setData( 20043b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, 0, buffer, size + chunk_size); 20053b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 20063b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 20077a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 20087a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang *offset += chunk_size; 20097a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang break; 20107a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 20117a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 2012515e855eae78aa495da58356486aaa666cb57fd1James Dong case FOURCC('c', 'o', 'v', 'r'): 2013515e855eae78aa495da58356486aaa666cb57fd1James Dong { 20140517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20150517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2016515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mFileMetaData != NULL) { 20173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("chunk_data_size = %lld and data_offset = %lld", 2018ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar (long long)chunk_data_size, (long long)data_offset); 20191552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin sp<ABuffer> buffer = new ABuffer(chunk_data_size + 1); 2020515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mDataSource->readAt( 20211552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin data_offset, buffer->data(), chunk_data_size) != (ssize_t)chunk_data_size) { 2022515e855eae78aa495da58356486aaa666cb57fd1James Dong return ERROR_IO; 2023515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2024515e855eae78aa495da58356486aaa666cb57fd1James Dong const int kSkipBytesOfDataBox = 16; 2025515e855eae78aa495da58356486aaa666cb57fd1James Dong mFileMetaData->setData( 2026515e855eae78aa495da58356486aaa666cb57fd1James Dong kKeyAlbumArt, MetaData::TYPE_NONE, 20271552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin buffer->data() + kSkipBytesOfDataBox, chunk_data_size - kSkipBytesOfDataBox); 2028515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2029515e855eae78aa495da58356486aaa666cb57fd1James Dong 2030515e855eae78aa495da58356486aaa666cb57fd1James Dong break; 2031515e855eae78aa495da58356486aaa666cb57fd1James Dong } 2032515e855eae78aa495da58356486aaa666cb57fd1James Dong 2033fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('t', 'i', 't', 'l'): 2034fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('p', 'e', 'r', 'f'): 2035fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'u', 't', 'h'): 2036fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('g', 'n', 'r', 'e'): 2037fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'l', 'b', 'm'): 2038fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('y', 'r', 'r', 'c'): 2039fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 20400517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20410517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2042fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t err = parse3GPPMetaData(data_offset, chunk_data_size, depth); 2043fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2044fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (err != OK) { 2045fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return err; 2046fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2047fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2048fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2049fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2050fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2051328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé case FOURCC('I', 'D', '3', '2'): 2052328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { 20530517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen *offset += chunk_size; 20540517e0b6e4a86f34388631416dd6b3b4fcb91ff8Marco Nelissen 2055328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (chunk_data_size < 6) { 2056328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé return ERROR_MALFORMED; 2057328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2058328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2059328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé parseID3v2MetaData(data_offset + 6); 2060328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2061328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé break; 2062328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2063328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 20645d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 20655d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 20665d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 20675d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 20685d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 20695d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen *offset += chunk_size; 20705d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 20715d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 20725d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen 207305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('s', 'i', 'd', 'x'): 207405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen { 207505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseSegmentIndex(data_offset, chunk_data_size); 207605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 207705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return UNKNOWN_ERROR; // stop parsing after sidx 207805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 207905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 208020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber default: 208120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 20828cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // check if we're parsing 'ilst' for meta keys 20838cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // if so, treat type as a number (key-id). 20848cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (underQTMetaPath(mPath, 3)) { 20858cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang parseQTMetaVal(chunk_type, data_offset, chunk_data_size); 20868cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 20878cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 208820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 208920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 209020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 209120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 209220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 209320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 209420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 209520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 209605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Extractor::parseSegmentIndex(off64_t offset, size_t size) { 209705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseSegmentIndex"); 209805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 209905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 12) { 210005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 210105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 210205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 210305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 210405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 210505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 210605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 210705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 210805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t version = flags >> 24; 210905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen flags &= 0xffffff; 211005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 211105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx version %d", version); 211205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 211305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t referenceId; 211405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &referenceId)) { 211505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 211605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 211705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 211805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t timeScale; 211905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 8, &timeScale)) { 212005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 212105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 212205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx refid/timescale: %d/%d", referenceId, timeScale); 2123e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake if (timeScale == 0) 2124e3e82d54c51a3130badcd9e433fe808d965f15c2Joshua J. Drake return ERROR_MALFORMED; 212505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 212605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t earliestPresentationTime; 212705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t firstOffset; 212805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 212905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 213005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 12; 213105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 213205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (version == 0) { 213305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 213405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 213505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 213605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t tmp; 213705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 213805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 213905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 214005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen earliestPresentationTime = tmp; 214105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &tmp)) { 214205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 214305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 214405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen firstOffset = tmp; 214505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 214605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 214705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 214805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 16) { 214905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 215005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 215105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &earliestPresentationTime)) { 215205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 215305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 215405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset + 8, &firstOffset)) { 215505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 215605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 215705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 16; 215805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 16; 215905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 2160a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("sidx pres/off: %" PRIu64 "/%" PRIu64, earliestPresentationTime, firstOffset); 216105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 216205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 216305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 216405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 216505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 216605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint16_t referenceCount; 216705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt16(offset + 2, &referenceCount)) { 216805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 216905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 217005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 217105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 217205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("refcount: %d", referenceCount); 217305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 217405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < referenceCount * 12) { 217505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 217605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 217705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 217805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t total_duration = 0; 217905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (unsigned int i = 0; i < referenceCount; i++) { 218005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t d1, d2, d3; 218105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 218205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &d1) || // size 218305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 4, &d2) || // duration 218405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 8, &d3)) { // flags 218505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 218605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 218705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 218805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (d1 & 0x80000000) { 218905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGW("sub-sidx boxes not supported yet"); 219005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 219105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool sap = d3 & 0x80000000; 21923f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen uint32_t saptype = (d3 >> 28) & 7; 21933f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (!sap || (saptype != 1 && saptype != 2)) { 21943f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // type 1 and 2 are sync samples 21953f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen ALOGW("not a stream access point, or unsupported type: %08x", d3); 219605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 219705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen total_duration += d2; 219805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 219905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV(" item %d, %08x %08x %08x", i, d1, d2, d3); 220005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen SidxEntry se; 220105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mSize = d1 & 0x7fffffff; 220205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mDurationUs = 1000000LL * d2 / timeScale; 220305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSidxEntries.add(se); 220405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 220505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2206c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint64_t sidxDuration = total_duration * 1000000 / timeScale; 220705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2208f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2209f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2210f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 221105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t metaDuration; 221205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mLastTrack->meta->findInt64(kKeyDuration, &metaDuration) || metaDuration == 0) { 2213c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mLastTrack->meta->setInt64(kKeyDuration, sidxDuration); 221405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 221505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 221605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 221705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 22188cfad968d5ec429b033caff9743f1ef15090be61Chong Zhangstatus_t MPEG4Extractor::parseQTMetaKey(off64_t offset, size_t size) { 22198cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (size < 8) { 22208cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22218cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22228cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22238cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t count; 22248cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 4, &count)) { 22258cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22268cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22278cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22288cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mMetaKeyMap.size() > 0) { 22298cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ALOGW("'keys' atom seen again, discarding existing entries"); 22308cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mMetaKeyMap.clear(); 22318cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22328cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22338cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t keyOffset = offset + 8; 22348cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang off64_t stopOffset = offset + size; 22358cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang for (size_t i = 1; i <= count; i++) { 22368cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (keyOffset + 8 > stopOffset) { 22378cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22388cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22398cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22408cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t keySize; 22418cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(keyOffset, &keySize) 22428cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || keySize < 8 22438cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || keyOffset + keySize > stopOffset) { 22448cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22458cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22468cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22478cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t type; 22488cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(keyOffset + 4, &type) 22498cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || type != FOURCC('m', 'd', 't', 'a')) { 22508cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22518cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22528cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22538cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keySize -= 8; 22548cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset += 8; 22558cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22568cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang sp<ABuffer> keyData = new ABuffer(keySize); 22578cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (keyData->data() == NULL) { 22588cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22598cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22608cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (mDataSource->readAt( 22618cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset, keyData->data(), keySize) < (ssize_t) keySize) { 22628cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22638cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22648cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22658cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang AString key((const char *)keyData->data(), keySize); 22668cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mMetaKeyMap.add(i, key); 22678cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22688cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang keyOffset += keySize; 22698cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22708cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 22718cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang} 22728cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 22738cfad968d5ec429b033caff9743f1ef15090be61Chong Zhangstatus_t MPEG4Extractor::parseQTMetaVal( 22748cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang int32_t keyId, off64_t offset, size_t size) { 22758cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ssize_t index = mMetaKeyMap.indexOfKey(keyId); 22768cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (index < 0) { 22778cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // corresponding key is not present, ignore 22788cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22798cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 228005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 22818cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (size <= 16) { 22828cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22838cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22848cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t dataSize; 22858cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset, &dataSize) 22868cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || dataSize > size || dataSize <= 16) { 22878cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22888cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22898cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t atomFourCC; 22908cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 4, &atomFourCC) 22918cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || atomFourCC != FOURCC('d', 'a', 't', 'a')) { 22928cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22938cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 22948cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t dataType; 22958cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset + 8, &dataType) 22968cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang || ((dataType & 0xff000000) != 0)) { 22978cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // not well-known type 22988cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 22998cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23008cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23018cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang dataSize -= 16; 23028cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang offset += 16; 23038cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23048cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (dataType == 23 && dataSize >= 4) { 23058cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // BE Float32 23068cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang uint32_t val; 23078cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!mDataSource->getUInt32(offset, &val)) { 23088cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return ERROR_MALFORMED; 23098cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23108cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang if (!strcasecmp(mMetaKeyMap[index].c_str(), "com.android.capture.fps")) { 23118cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang mFileMetaData->setFloat(kKeyCaptureFramerate, *(float *)&val); 23128cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23138cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } else { 23148cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang // add more keys if needed 23158cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang ALOGV("ignoring key: type %d, size %d", dataType, dataSize); 23168cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang } 23178cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang 23188cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang return OK; 23198cfad968d5ec429b033caff9743f1ef15090be61Chong Zhang} 232005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2321ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huberstatus_t MPEG4Extractor::parseTrackHeader( 2322c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t data_offset, off64_t data_size) { 2323ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (data_size < 4) { 2324ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 2325ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2326ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2327ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t version; 2328ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt(data_offset, &version, 1) < 1) { 2329ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 2330ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2331ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2332ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t dynSize = (version == 1) ? 36 : 24; 2333ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2334ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t buffer[36 + 60]; 2335ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2336c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (data_size != (off64_t)dynSize + 60) { 2337ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 2338ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2339ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2340ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt( 2341ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber data_offset, buffer, data_size) < (ssize_t)data_size) { 2342ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 2343ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2344ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2345b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe uint64_t ctime __unused, mtime __unused, duration __unused; 2346ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t id; 2347ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2348ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (version == 1) { 2349ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U64_AT(&buffer[4]); 2350ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U64_AT(&buffer[12]); 2351ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[20]); 2352ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U64_AT(&buffer[28]); 235304022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else if (version == 0) { 2354ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U32_AT(&buffer[4]); 2355ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U32_AT(&buffer[8]); 2356ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[12]); 2357ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U32_AT(&buffer[20]); 235804022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else { 235904022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen return ERROR_UNSUPPORTED; 2360ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2361ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2362f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2363f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2364f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 2365ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyTrackID, id); 2366ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2367ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t matrixOffset = dynSize + 16; 2368ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a00 = U32_AT(&buffer[matrixOffset]); 2369ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a01 = U32_AT(&buffer[matrixOffset + 4]); 2370ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a10 = U32_AT(&buffer[matrixOffset + 12]); 2371ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a11 = U32_AT(&buffer[matrixOffset + 16]); 2372ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2373ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#if 0 2374b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t dx = U32_AT(&buffer[matrixOffset + 8]); 2375b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t dy = U32_AT(&buffer[matrixOffset + 20]); 2376b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe 2377df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("x' = %.2f * x + %.2f * y + %.2f", 2378ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a00 / 65536.0f, a01 / 65536.0f, dx / 65536.0f); 2379df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("y' = %.2f * x + %.2f * y + %.2f", 2380ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a10 / 65536.0f, a11 / 65536.0f, dy / 65536.0f); 2381ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#endif 2382ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2383ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t rotationDegrees; 2384ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2385ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber static const int32_t kFixedOne = 0x10000; 2386ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (a00 == kFixedOne && a01 == 0 && a10 == 0 && a11 == kFixedOne) { 2387ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber // Identity, no rotation 2388ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 2389ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == kFixedOne && a10 == -kFixedOne && a11 == 0) { 2390ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 90; 2391ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == -kFixedOne && a10 == kFixedOne && a11 == 0) { 2392ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 270; 2393ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == -kFixedOne && a01 == 0 && a10 == 0 && a11 == -kFixedOne) { 2394ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 180; 2395ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else { 23965ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("We only support 0,90,180,270 degree rotation matrices"); 2397ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 2398ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2399ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2400ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (rotationDegrees != 0) { 2401ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyRotation, rotationDegrees); 2402ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 2403ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2404b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // Handle presentation display size, which could be different 2405b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // from the image size indicated by kKeyWidth and kKeyHeight. 2406ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t width = U32_AT(&buffer[dynSize + 52]); 2407ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t height = U32_AT(&buffer[dynSize + 56]); 2408b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayWidth, width >> 16); 2409b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayHeight, height >> 16); 2410ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2411ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return OK; 2412ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber} 2413ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2414fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhéstatus_t MPEG4Extractor::parseITunesMetaData(off64_t offset, size_t size) { 241572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size < 4) { 241672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 241772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 241872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 24198da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen uint8_t *buffer = new (std::nothrow) uint8_t[size + 1]; 24208da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 24218da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 24228da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 242372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 242472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber offset, buffer, size) != (ssize_t)size) { 242572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 242672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 242772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 242872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 242972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 243072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 243172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t flags = U32_AT(buffer); 243272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 243372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t metadataKey = 0; 24345d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen char chunk[5]; 24355d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen MakeFourCCString(mPath[4], chunk); 2436ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("meta: %s @ %lld", chunk, (long long)offset); 24372d0ac425564ff9882ebaac5267d1a04d4af67d00Bernhard Rosenkränzer switch ((int32_t)mPath[4]) { 243872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'a', 'l', 'b'): 243972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 244072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbum; 244172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 244272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 244372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'A', 'R', 'T'): 244472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 244572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyArtist; 244672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 244772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 244866ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen case FOURCC('a', 'A', 'R', 'T'): 244966ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen { 245066ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen metadataKey = kKeyAlbumArtist; 245166ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen break; 245266ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen } 245372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'd', 'a', 'y'): 245472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 245572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyYear; 245672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 245772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 245872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'n', 'a', 'm'): 245972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 246072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyTitle; 246172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 246272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 246372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'w', 'r', 't'): 246472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 246572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyWriter; 246672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 246772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 246872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('c', 'o', 'v', 'r'): 246972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 247072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbumArt; 247172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 247272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 247372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('g', 'n', 'r', 'e'): 247472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 247572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyGenre; 247672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 247772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 247826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC(0xa9, 'g', 'e', 'n'): 247926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 248026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey = kKeyGenre; 248126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 248226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 248311f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen case FOURCC('c', 'p', 'i', 'l'): 248411f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen { 248511f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen if (size == 9 && flags == 21) { 248611f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen char tmp[16]; 248711f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen sprintf(tmp, "%d", 248811f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen (int)buffer[size - 1]); 248911f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen 249011f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen mFileMetaData->setCString(kKeyCompilation, tmp); 249111f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 249211f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen break; 249311f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 249472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('t', 'r', 'k', 'n'): 249572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 249672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size == 16 && flags == 0) { 249772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char tmp[16]; 2498afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTrack = (uint16_t*)&buffer[10]; 2499afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalTracks = (uint16_t*)&buffer[12]; 2500afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pTrack), ntohs(*pTotalTracks)); 250172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 250272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyCDTrackNumber, tmp); 250372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 250472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 250572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 250626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC('d', 'i', 's', 'k'): 250726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 2508afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik if ((size == 14 || size == 16) && flags == 0) { 250926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen char tmp[16]; 2510afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pDisc = (uint16_t*)&buffer[10]; 2511afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalDiscs = (uint16_t*)&buffer[12]; 2512afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pDisc), ntohs(*pTotalDiscs)); 251326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 251426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString(kKeyDiscNumber, tmp); 251526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 251626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 251726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 25185d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 25195d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 25205d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen buffer[size] = '\0'; 25215d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen switch (mPath[5]) { 25225d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 25235d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.setTo((const char *)buffer + 4); 25245d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25255d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 25265d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.setTo((const char *)buffer + 4); 25275d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25285d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('d', 'a', 't', 'a'): 25295d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.setTo((const char *)buffer + 8); 25305d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25315d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25328c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25338c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // Once we have a set of mean/name/data info, go ahead and process 25348c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // it to see if its something we are interested in. Whether or not 25358c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // were are interested in the specific tag, make sure to clear out 25368c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // the set so we can be ready to process another tuple should one 25378c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // show up later in the file. 25388c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if ((mLastCommentMean.length() != 0) && 25398c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentName.length() != 0) && 25408c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentData.length() != 0)) { 25418c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25428c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (mLastCommentMean == "com.apple.iTunes" 25438c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman && mLastCommentName == "iTunSMPB") { 25448c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman int32_t delay, padding; 25458c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (sscanf(mLastCommentData, 25468c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman " %*x %x %x %*x", &delay, &padding) == 2) { 2547f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2548f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2549f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 25508c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); 25518c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderPadding, padding); 25528c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman } 25535d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25548c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 25555d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 25565d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 25575d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 25585d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 25595d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 25605d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 256126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 256272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber default: 256372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 256472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 256572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 2566328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (size >= 8 && metadataKey && !mFileMetaData->hasData(metadataKey)) { 256772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (metadataKey == kKeyAlbumArt) { 256872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setData( 256972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber kKeyAlbumArt, MetaData::TYPE_NONE, 257072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer + 8, size - 8); 257172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else if (metadataKey == kKeyGenre) { 257272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (flags == 0) { 257326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // uint8_t genre code, iTunes genre codes are 257426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // the standard id3 codes, except they start 257526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // at 1 instead of 0 (e.g. Pop is 14, not 13) 257626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // We use standard id3 numbering, so subtract 1. 257726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen int genrecode = (int)buffer[size - 1]; 257826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode--; 257926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen if (genrecode < 0) { 258026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode = 255; // reserved for 'unknown genre' 258126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 258272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char genre[10]; 258326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen sprintf(genre, "%d", genrecode); 258472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 258572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(metadataKey, genre); 258626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } else if (flags == 1) { 258726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // custom genre string 258826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen buffer[size] = '\0'; 258926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 259026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString( 259126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey, (const char *)buffer + 8); 259272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 259372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 259472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer[size] = '\0'; 259572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 259672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString( 259772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey, (const char *)buffer + 8); 259872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 259972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 260072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 260172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 260272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 260372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 260472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return OK; 260572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 260672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 2607fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhéstatus_t MPEG4Extractor::parse3GPPMetaData(off64_t offset, size_t size, int depth) { 2608fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (size < 4) { 2609fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return ERROR_MALFORMED; 2610fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2611fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 26128da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen uint8_t *buffer = new (std::nothrow) uint8_t[size]; 26138da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (buffer == NULL) { 26148da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 26158da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 2616fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (mDataSource->readAt( 2617fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé offset, buffer, size) != (ssize_t)size) { 2618fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé delete[] buffer; 2619fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé buffer = NULL; 2620fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2621fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return ERROR_IO; 2622fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2623fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2624fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé uint32_t metadataKey = 0; 2625fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé switch (mPath[depth]) { 2626fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('t', 'i', 't', 'l'): 2627fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2628fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyTitle; 2629fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2630fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2631fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('p', 'e', 'r', 'f'): 2632fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2633fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyArtist; 2634fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2635fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2636fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'u', 't', 'h'): 2637fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2638fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyWriter; 2639fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2640fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2641fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('g', 'n', 'r', 'e'): 2642fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2643fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyGenre; 2644fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2645fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2646fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('a', 'l', 'b', 'm'): 2647fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2648fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (buffer[size - 1] != '\0') { 2649fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char tmp[4]; 2650fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé sprintf(tmp, "%u", buffer[size - 1]); 2651fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2652fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(kKeyCDTrackNumber, tmp); 2653fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2654fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2655fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé metadataKey = kKeyAlbum; 2656fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2657fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2658fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé case FOURCC('y', 'r', 'r', 'c'): 2659fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé { 2660fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char tmp[5]; 2661fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé uint16_t year = U16_AT(&buffer[4]); 2662fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2663fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (year < 10000) { 2664fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé sprintf(tmp, "%u", year); 2665fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2666fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(kKeyYear, tmp); 2667fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2668fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2669fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2670fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2671fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé default: 2672fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé break; 2673fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2674fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2675fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (metadataKey > 0) { 2676fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé bool isUTF8 = true; // Common case 2677fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé char16_t *framedata = NULL; 2678fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé int len16 = 0; // Number of UTF-16 characters 2679fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2680fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // smallest possible valid UTF-16 string w BOM: 0xfe 0xff 0x00 0x00 26819458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake if (size < 6) { 26829458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake return ERROR_MALFORMED; 26839458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake } 26849458e715d391ee8fe455fc31f07ff35ce12e0531Joshua J. Drake 2685fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (size - 6 >= 4) { 2686fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé len16 = ((size - 6) / 2) - 1; // don't include 0x0000 terminator 2687fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata = (char16_t *)(buffer + 6); 2688fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (0xfffe == *framedata) { 2689fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // endianness marker (BOM) doesn't match host endianness 2690fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé for (int i = 0; i < len16; i++) { 2691fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata[i] = bswap_16(framedata[i]); 2692fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2693fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // BOM is now swapped to 0xfeff, we will execute next block too 2694fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2695fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2696fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (0xfeff == *framedata) { 2697fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // Remove the BOM 2698fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé framedata++; 2699fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé len16--; 2700fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé isUTF8 = false; 2701fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2702fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // else normal non-zero-length UTF-8 string 2703fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // we can't handle UTF-16 without BOM as there is no other 2704fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // indication of encoding. 2705fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2706fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2707fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé if (isUTF8) { 2708fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(metadataKey, (const char *)buffer + 6); 2709fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } else { 2710fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé // Convert from UTF-16 string to UTF-8 string. 2711fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé String8 tmpUTF8str(framedata, len16); 2712fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé mFileMetaData->setCString(metadataKey, tmpUTF8str.string()); 2713fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2714fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé } 2715fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2716fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé delete[] buffer; 2717fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé buffer = NULL; 2718fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2719fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé return OK; 2720fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé} 2721fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé 2722328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhévoid MPEG4Extractor::parseID3v2MetaData(off64_t offset) { 2723328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé ID3 id3(mDataSource, true /* ignorev1 */, offset); 2724328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2725328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (id3.isValid()) { 2726328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé struct Map { 2727328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé int key; 2728328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const char *tag1; 2729328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const char *tag2; 2730328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé }; 2731328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé static const Map kMap[] = { 2732328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAlbum, "TALB", "TAL" }, 2733328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyArtist, "TPE1", "TP1" }, 2734328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAlbumArtist, "TPE2", "TP2" }, 2735328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyComposer, "TCOM", "TCM" }, 2736328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyGenre, "TCON", "TCO" }, 2737328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyTitle, "TIT2", "TT2" }, 2738328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyYear, "TYE", "TYER" }, 2739328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyAuthor, "TXT", "TEXT" }, 2740328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyCDTrackNumber, "TRK", "TRCK" }, 2741328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyDiscNumber, "TPA", "TPOS" }, 2742328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé { kKeyCompilation, "TCP", "TCMP" }, 2743328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé }; 2744328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé static const size_t kNumMapEntries = sizeof(kMap) / sizeof(kMap[0]); 2745328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2746328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé for (size_t i = 0; i < kNumMapEntries; ++i) { 2747328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (!mFileMetaData->hasData(kMap[i].key)) { 2748328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé ID3::Iterator *it = new ID3::Iterator(id3, kMap[i].tag1); 2749328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (it->done()) { 2750328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2751328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé it = new ID3::Iterator(id3, kMap[i].tag2); 2752328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2753328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2754328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (it->done()) { 2755328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2756328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé continue; 2757328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2758328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2759328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé String8 s; 2760328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé it->getString(&s); 2761328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé delete it; 2762328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2763328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setCString(kMap[i].key, s); 2764328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2765328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2766328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2767328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé size_t dataSize; 2768328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé String8 mime; 2769328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé const void *data = id3.getAlbumArt(&dataSize, &mime); 2770328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2771328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé if (data) { 2772328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setData(kKeyAlbumArt, MetaData::TYPE_NONE, data, dataSize); 2773328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé mFileMetaData->setCString(kKeyAlbumArtMIME, mime.string()); 2774328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2775328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé } 2776328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé} 2777328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé 2778693d271e62a3726689ff68f4505ba49228eb94b2Andreas Hubersp<MediaSource> MPEG4Extractor::getTrack(size_t index) { 277920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 278020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 2781693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 278220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 278320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 278420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 278520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (index > 0) { 278620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (track == NULL) { 2787693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 278820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 278920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 279020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 279120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber --index; 279220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 279320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2794371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber if (track == NULL) { 2795371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber return NULL; 2796371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber } 2797371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 2798c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 2799c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex *trex = NULL; 2800c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen int32_t trackId; 2801c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (track->meta->findInt32(kKeyTrackID, &trackId)) { 2802c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen for (size_t i = 0; i < mTrex.size(); i++) { 2803c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Trex *t = &mTrex.editItemAt(index); 2804c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen if (t->track_ID == (uint32_t) trackId) { 2805c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen trex = t; 2806c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen break; 2807c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2808c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2809c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } 2810c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 2811a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("getTrack called, pssh: %zu", mPssh.size()); 2812ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2813942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen return new MPEG4Source(this, 281405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta, mDataSource, track->timescale, track->sampleTable, 2815c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mSidxEntries, trex, mMoofOffset); 281620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 281720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2818bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber// static 2819bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huberstatus_t MPEG4Extractor::verifyTrack(Track *track) { 2820bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const char *mime; 2821bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber CHECK(track->meta->findCString(kKeyMIMEType, &mime)); 2822bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2823bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber uint32_t type; 2824bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const void *data; 2825bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber size_t size; 2826bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 2827bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyAVCC, &type, &data, &size) 2828bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeAVCC) { 2829bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2830bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 28313b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC)) { 28323b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!track->meta->findData(kKeyHVCC, &type, &data, &size) 28333b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar || type != kTypeHVCC) { 28343b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar return ERROR_MALFORMED; 28353b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } 2836bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) 2837bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { 2838bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyESDS, &type, &data, &size) 2839bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeESDS) { 2840bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2841bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2842bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2843bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2844ce171998009e1abcb0c718c0aee495fcd33645e2Robert Shih if (track->sampleTable == NULL || !track->sampleTable->isValid()) { 2845169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber // Make sure we have all the metadata we need. 2846ce171998009e1abcb0c718c0aee495fcd33645e2Robert Shih ALOGE("stbl atom missing/invalid."); 2847169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber return ERROR_MALFORMED; 2848169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber } 2849169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber 28502e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang if (track->timescale == 0) { 28512e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang ALOGE("timescale invalid."); 28522e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang return ERROR_MALFORMED; 28532e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang } 28542e81b588f2cc54eaa4f9c83cce279589fb221523Dan Liang 2855bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return OK; 2856bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber} 2857bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2858f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivitypedef enum { 2859f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_NONE = -1, 2860f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_NULL_OBJECT = 0, 2861f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_MAIN = 1, /**< Main profile */ 2862f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_AAC_LC = 2, /**< Low Complexity object */ 2863f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SSR = 3, 2864f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_LTP = 4, 2865f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_SBR = 5, 2866f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SCAL = 6, 2867f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_TWIN_VQ = 7, 2868f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_CELP = 8, 2869f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_HVXC = 9, 2870f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_10 = 10, /**< (reserved) */ 2871f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_11 = 11, /**< (reserved) */ 2872f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_TTSI = 12, /**< TTSI Object */ 2873f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MAIN_SYNTH = 13, /**< Main Synthetic object */ 2874f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_WAV_TAB_SYNTH = 14, /**< Wavetable Synthesis object */ 2875f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_GEN_MIDI = 15, /**< General MIDI object */ 2876f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ALG_SYNTH_AUD_FX = 16, /**< Algorithmic Synthesis and Audio FX object */ 2877f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_LC = 17, /**< Error Resilient(ER) AAC Low Complexity */ 2878f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_18 = 18, /**< (reserved) */ 2879f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_AAC_LTP = 19, /**< Error Resilient(ER) AAC LTP object */ 2880f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_SCAL = 20, /**< Error Resilient(ER) AAC Scalable object */ 2881f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_TWIN_VQ = 21, /**< Error Resilient(ER) TwinVQ object */ 2882f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_BSAC = 22, /**< Error Resilient(ER) BSAC object */ 2883f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ER_AAC_LD = 23, /**< Error Resilient(ER) AAC LowDelay object */ 2884f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_CELP = 24, /**< Error Resilient(ER) CELP object */ 2885f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_HVXC = 25, /**< Error Resilient(ER) HVXC object */ 2886f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_HILN = 26, /**< Error Resilient(ER) HILN object */ 2887f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_PARA = 27, /**< Error Resilient(ER) Parametric object */ 2888f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_28 = 28, /**< might become SSC */ 2889f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_PS = 29, /**< PS, Parametric Stereo (includes SBR) */ 2890f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MPEGS = 30, /**< MPEG Surround */ 2891f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2892f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi AOT_ESCAPE = 31, /**< Signal AOT uses more than 5 bits */ 2893f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2894f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L1 = 32, /**< MPEG-Layer1 in mp4 */ 2895f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L2 = 33, /**< MPEG-Layer2 in mp4 */ 2896f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_MP3ONMP4_L3 = 34, /**< MPEG-Layer3 in mp4 */ 2897f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_35 = 35, /**< might become DST */ 2898f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD_36 = 36, /**< might become ALS */ 2899f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_AAC_SLS = 37, /**< AAC + SLS */ 2900f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_SLS = 38, /**< SLS */ 2901f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_ER_AAC_ELD = 39, /**< AAC Enhanced Low Delay */ 2902f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2903f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_USAC = 42, /**< USAC */ 2904f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_SAOC = 43, /**< SAOC */ 2905f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_LD_MPEGS = 44, /**< Low Delay MPEG Surround */ 2906f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2907f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //AOT_RSVD50 = 50, /**< Interim AOT for Rsvd50 */ 2908f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi} AUDIO_OBJECT_TYPE; 2909f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 2910ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huberstatus_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( 2911ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size) { 2912ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber ESDS esds(esds_data, esds_size); 291381f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 291481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint8_t objectTypeIndication; 291581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (esds.getObjectTypeIndication(&objectTypeIndication) != OK) { 291681f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return ERROR_MALFORMED; 291781f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 291881f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 291981f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (objectTypeIndication == 0xe1) { 292081f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber // This isn't MPEG4 audio at all, it's QCELP 14k... 2921f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2922f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2923f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 292481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_QCELP); 292581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return OK; 292681f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 292781f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 2928633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong if (objectTypeIndication == 0x6b) { 2929633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // The media subtype is MP3 audio 2930633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // Our software MP3 audio decoder may not be able to handle 2931633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // packetized MP3 audio; for now, lets just return ERROR_UNSUPPORTED 293229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("MP3 track in MP4/3GPP file is not supported"); 2933633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong return ERROR_UNSUPPORTED; 2934633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong } 2935633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong 2936ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const uint8_t *csd; 2937ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber size_t csd_size; 2938ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (esds.getCodecSpecificInfo( 2939ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber (const void **)&csd, &csd_size) != OK) { 2940ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2941ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2942ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2943b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe if (kUseHexDump) { 2944ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar printf("ESD of size %zu\n", csd_size); 2945b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe hexdump(csd, csd_size); 2946b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe } 2947ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2948a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber if (csd_size == 0) { 2949a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // There's no further information, i.e. no codec specific data 2950a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // Let's assume that the information provided in the mpeg4 headers 2951a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // is accurate and hope for the best. 2952a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2953a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber return OK; 2954a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber } 2955a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2956ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (csd_size < 2) { 2957ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2958ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2959ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 296000307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent static uint32_t kSamplingRate[] = { 296100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 296200307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 16000, 12000, 11025, 8000, 7350 296300307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent }; 296400307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 2965aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke ABitReader br(csd, csd_size); 2966aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t objectType = br.getBits(5); 2967ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2968aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke if (objectType == 31) { // AAC-ELD => additional 6 bits 2969aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke objectType = 32 + br.getBits(6); 2970ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2971ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2972f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 2973f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 2974f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 2975db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent //keep AOT type 2976db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent mLastTrack->meta->setInt32(kKeyAACAOT, objectType); 2977db170bb1cae145d07efc803a3c208963de0c6087Eric Laurent 2978aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t freqIndex = br.getBits(4); 2979aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke 2980ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t sampleRate = 0; 2981ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t numChannels = 0; 2982ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (freqIndex == 15) { 2983ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (csd_size < 5) { 2984ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2985ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2986aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke sampleRate = br.getBits(24); 2987aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke numChannels = br.getBits(4); 2988ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } else { 2989595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen numChannels = br.getBits(4); 299000307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent 299100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (freqIndex == 13 || freqIndex == 14) { 299200307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent return ERROR_MALFORMED; 2993ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2994ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 299500307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent sampleRate = kSamplingRate[freqIndex]; 299600307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } 2997595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen 2998f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_SBR || objectType == AOT_PS) {//SBR specific config per 14496-3 table 1.13 299900307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent uint32_t extFreqIndex = br.getBits(4); 3000b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe int32_t extSampleRate __unused; 300100307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (extFreqIndex == 15) { 300200307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (csd_size < 8) { 3003595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen return ERROR_MALFORMED; 3004595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 300500307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent extSampleRate = br.getBits(24); 300600307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } else { 300700307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent if (extFreqIndex == 13 || extFreqIndex == 14) { 300800307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent return ERROR_MALFORMED; 300900307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent } 301000307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent extSampleRate = kSamplingRate[extFreqIndex]; 3011595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 301200307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent //TODO: save the extension sampling rate value in meta data => 301300307ade843ac9219ffb9a351a3145ec2927ea51Eric Laurent // mLastTrack->meta->setInt32(kKeyExtSampleRate, extSampleRate); 3014ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3015ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3016f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi switch (numChannels) { 3017f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi // values defined in 14496-3_2009 amendment-4 Table 1.19 - Channel Configuration 3018f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 0: 3019f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 1:// FC 3020f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 2:// FL FR 3021f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 3:// FC, FL FR 3022f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 4:// FC, FL FR, RC 3023f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 5:// FC, FL FR, SL SR 3024f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 6:// FC, FL FR, SL SR, LFE 3025f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi //numChannels already contains the right value 3026f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3027f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 11:// FC, FL FR, SL SR, RC, LFE 3028f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = 7; 3029f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3030f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 7: // FC, FCL FCR, FL FR, SL SR, LFE 3031f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 12:// FC, FL FR, SL SR, RL RR, LFE 3032f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi case 14:// FC, FL FR, SL SR, LFE, FHL FHR 3033f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = 8; 3034f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi break; 3035f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi default: 3036f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi return ERROR_UNSUPPORTED; 3037f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3038f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3039f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi { 3040f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_SBR || objectType == AOT_PS) { 3041f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType = br.getBits(5); 3042f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3043f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_ESCAPE) { 3044f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType = 32 + br.getBits(6); 3045f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3046f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3047f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (objectType == AOT_AAC_LC || objectType == AOT_ER_AAC_LC || 3048f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType == AOT_ER_AAC_LD || objectType == AOT_ER_AAC_SCAL || 3049f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi objectType == AOT_ER_BSAC) { 3050b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t frameLengthFlag __unused = br.getBits(1); 3051f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3052f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t dependsOnCoreCoder = br.getBits(1); 3053f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3054f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (dependsOnCoreCoder ) { 3055b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t coreCoderDelay __unused = br.getBits(14); 3056f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3057f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 305845452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih int32_t extensionFlag = -1; 305945452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih if (br.numBitsLeft() > 0) { 306045452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = br.getBits(1); 306145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } else { 306245452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih switch (objectType) { 306345452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih // 14496-3 4.5.1.1 extensionFlag 306445452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_AAC_LC: 306545452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = 0; 306645452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 306745452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_LC: 306845452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_SCAL: 306945452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_BSAC: 307045452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih case AOT_ER_AAC_LD: 307145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag = 1; 307245452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 307345452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih default: 307445452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih TRESPASS(); 307545452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih break; 307645452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } 307745452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih ALOGW("csd missing extension flag; assuming %d for object type %u.", 307845452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih extensionFlag, objectType); 307945452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih } 3080f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 308145452ffeb3827dd3c955aca1b4ab3522b70cf8ccRobert Shih if (numChannels == 0) { 3082f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int32_t channelsEffectiveNum = 0; 3083f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int32_t channelsNum = 0; 3084b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t ElementInstanceTag __unused = br.getBits(4); 3085b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t Profile __unused = br.getBits(2); 3086b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t SamplingFrequencyIndex __unused = br.getBits(4); 3087f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumFrontChannelElements = br.getBits(4); 3088f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumSideChannelElements = br.getBits(4); 3089f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumBackChannelElements = br.getBits(4); 3090f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t NumLfeChannelElements = br.getBits(2); 3091b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t NumAssocDataElements __unused = br.getBits(3); 3092b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t NumValidCcElements __unused = br.getBits(4); 3093f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3094f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t MonoMixdownPresent = br.getBits(1); 3095f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (MonoMixdownPresent != 0) { 3096b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t MonoMixdownElementNumber __unused = br.getBits(4); 3097f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3098f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3099f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t StereoMixdownPresent = br.getBits(1); 3100f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (StereoMixdownPresent != 0) { 3101b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t StereoMixdownElementNumber __unused = br.getBits(4); 3102f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3103f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3104f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t MatrixMixdownIndexPresent = br.getBits(1); 3105f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi if (MatrixMixdownIndexPresent != 0) { 3106b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t MatrixMixdownIndex __unused = br.getBits(2); 3107b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t PseudoSurroundEnable __unused = br.getBits(1); 3108f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3109f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3110f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi int i; 3111f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumFrontChannelElements; i++) { 3112f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t FrontElementIsCpe = br.getBits(1); 3113b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t FrontElementTagSelect __unused = br.getBits(4); 3114f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += FrontElementIsCpe ? 2 : 1; 3115f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3116f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3117f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumSideChannelElements; i++) { 3118f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t SideElementIsCpe = br.getBits(1); 3119b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t SideElementTagSelect __unused = br.getBits(4); 3120f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += SideElementIsCpe ? 2 : 1; 3121f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3122f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3123f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumBackChannelElements; i++) { 3124f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi const int32_t BackElementIsCpe = br.getBits(1); 3125b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t BackElementTagSelect __unused = br.getBits(4); 3126f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += BackElementIsCpe ? 2 : 1; 3127f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3128f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsEffectiveNum = channelsNum; 3129f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3130f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi for (i=0; i < NumLfeChannelElements; i++) { 3131b3f9759c8c9437c45b9a34519ce2ea38a8314d4eAndreas Gampe const int32_t LfeElementTagSelect __unused = br.getBits(4); 3132f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi channelsNum += 1; 3133f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3134f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi ALOGV("mpeg4 audio channelsNum = %d", channelsNum); 3135f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi ALOGV("mpeg4 audio channelsEffectiveNum = %d", channelsEffectiveNum); 3136f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi numChannels = channelsNum; 3137f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3138f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3139f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi } 3140f4512c9672110c11b7bdeea0073a54bfae9c8f87Jean-Michel Trivi 3141ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (numChannels == 0) { 3142ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_UNSUPPORTED; 3143ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3144ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3145f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake if (mLastTrack == NULL) 3146f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake return ERROR_MALFORMED; 3147f35ff157134456d30f4cd32b463e32bbbf796cc9Joshua J. Drake 3148ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevSampleRate; 3149ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeySampleRate, &prevSampleRate)); 3150ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3151ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevSampleRate != sampleRate) { 31523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio sample rate different from previous setting. " 3153ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevSampleRate, sampleRate); 3154ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3155ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3156ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeySampleRate, sampleRate); 3157ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3158ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevChannelCount; 3159ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeyChannelCount, &prevChannelCount)); 3160ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3161ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevChannelCount != numChannels) { 31623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio channel count different from previous setting. " 3163ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevChannelCount, numChannels); 3164ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 3165ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3166ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeyChannelCount, numChannels); 3167ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 3168ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return OK; 3169ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber} 3170ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 317120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 317220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 317320111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::MPEG4Source( 3174942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen const sp<MPEG4Extractor> &owner, 317520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const sp<MetaData> &format, 3176693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 317748c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 317805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 317905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 3180c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen const Trex *trex, 318105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset) 3182942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen : mOwner(owner), 3183942481eee58cb1e81853bc79e25359a7ee8a59e1Marco Nelissen mFormat(format), 318420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDataSource(dataSource), 318548c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mTimescale(timeScale), 318620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mSampleTable(sampleTable), 318720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex(0), 318805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentFragmentIndex(0), 318905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSegments(sidx), 3190c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen mTrex(trex), 319105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mFirstMoofOffset(firstMoofOffset), 319205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset(firstMoofOffset), 319305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime(0), 3194ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize(0), 3195ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes(NULL), 3196ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize(0), 3197ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets(NULL), 319820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mIsAVC(false), 31993b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mIsHEVC(false), 32006064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize(0), 320120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted(false), 320220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup(NULL), 320320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer(NULL), 3204dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments(false), 32050024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer(NULL) { 3206ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3207c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen memset(&mTrackFragmentHeaderInfo, 0, sizeof(mTrackFragmentHeaderInfo)); 3208c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 3209ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoMode, &mCryptoMode); 321048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mDefaultIVSize = 0; 3211ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoDefaultIVSize, &mDefaultIVSize); 3212ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t keytype; 3213ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen const void *key; 3214ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen size_t keysize; 3215ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mFormat->findData(kKeyCryptoKey, &keytype, &key, &keysize)) { 3216ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(keysize <= 16); 3217ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(mCryptoKey, 0, 16); 3218ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(mCryptoKey, key, keysize); 3219ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3220ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 322120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const char *mime; 322220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool success = mFormat->findCString(kKeyMIMEType, &mime); 3223dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(success); 322420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 322518291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber mIsAVC = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC); 32263b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mIsHEVC = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC); 32276064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32286064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber if (mIsAVC) { 32296064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber uint32_t type; 32306064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const void *data; 32316064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t size; 32326064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(format->findData(kKeyAVCC, &type, &data, &size)); 32336064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32346064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const uint8_t *ptr = (const uint8_t *)data; 32356064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32366064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(size >= 7); 3237ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 32386064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 32396064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // The number of bytes used to encode the length of a NAL unit. 32406064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize = 1 + (ptr[4] & 3); 32413b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar } else if (mIsHEVC) { 32423b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar uint32_t type; 32433b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar const void *data; 32443b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar size_t size; 32453b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK(format->findData(kKeyHVCC, &type, &data, &size)); 32463b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 32473b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar const uint8_t *ptr = (const uint8_t *)data; 32483b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 32493b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK(size >= 7); 32503b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 32513b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar 32523b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar mNALLengthSize = 1 + (ptr[14 + 7] & 3); 32536064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 325405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 325505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(format->findInt32(kKeyTrackID, &mTrackId)); 325605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 325705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset != 0) { 325805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = mFirstMoofOffset; 325905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&offset); 326005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 326120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 326220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 326320111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::~MPEG4Source() { 326420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mStarted) { 326520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber stop(); 326620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 3267ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoSizes); 3268ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoOffsets); 326920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 327020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 327120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::start(MetaData *params) { 32727b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 32737b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3274dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(!mStarted); 327520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 327620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t val; 3277dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (params && params->findInt32(kKeyWantsNALFragments, &val) 327820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber && val != 0) { 3279dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = true; 328020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 3281dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = false; 328220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 328320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 328420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup = new MediaBufferGroup; 328520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3286738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber int32_t max_size; 3287738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber CHECK(mFormat->findInt32(kKeyMaxInputSize, &max_size)); 328820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3289738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber mGroup->add_buffer(new MediaBuffer(max_size)); 32900024245e134467d120b40099da16c467dc365e76Andreas Huber 32918da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen mSrcBuffer = new (std::nothrow) uint8_t[max_size]; 32928da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen if (mSrcBuffer == NULL) { 32938da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen // file probably specified a bad max size 32948da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen return ERROR_MALFORMED; 32958da8b2e80ccdb10ff2445f503829f803d3a6ab9fMarco Nelissen } 329620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 329720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = true; 329820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 329920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 330020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 330120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 330220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::stop() { 33037b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 33047b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3305dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 330620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 330720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 330820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 330920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 331020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 331120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 33120024245e134467d120b40099da16c467dc365e76Andreas Huber delete[] mSrcBuffer; 33130024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer = NULL; 33140024245e134467d120b40099da16c467dc365e76Andreas Huber 331520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete mGroup; 331620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup = NULL; 331720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 331820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = false; 331920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex = 0; 332020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 332220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 332320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseChunk(off64_t *offset) { 332505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t hdr[2]; 332605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset, hdr, 8) < 8) { 332705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 332805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 332905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t chunk_size = ntohl(hdr[0]); 333005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t chunk_type = ntohl(hdr[1]); 333105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t data_offset = *offset + 8; 333205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 333305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size == 1) { 333405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset + 8, &chunk_size, 8) < 8) { 333505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 333605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 333705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen chunk_size = ntoh64(chunk_size); 333805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen data_offset += 8; 333905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 334005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size < 16) { 334105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 16 bytes long in this case. 334205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 334305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 334405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (chunk_size < 8) { 334505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 8 bytes long. 334605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 334705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 334805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 334905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunk[5]; 335005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunk_type, chunk); 3351ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("MPEG4Source chunk %s @ %#llx", chunk, (long long)*offset); 335205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 335305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t chunk_data_size = *offset + chunk_size - data_offset; 335405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 335505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen switch(chunk_type) { 335605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 335705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'a', 'f'): 335805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('m', 'o', 'o', 'f'): { 335905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t stop_offset = *offset + chunk_size; 336005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset = data_offset; 336105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (*offset < stop_offset) { 336205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = parseChunk(offset); 336305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 336405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 336505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 336605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 336705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 33683f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // *offset points to the box following this moof. Find the next moof from there. 33693f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen 33703f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen while (true) { 33713f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (mDataSource->readAt(*offset, hdr, 8) < 8) { 33723f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen return ERROR_END_OF_STREAM; 33733f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 33743f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen chunk_size = ntohl(hdr[0]); 33753f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen chunk_type = ntohl(hdr[1]); 33763f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 33773f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen mNextMoofOffset = *offset; 33783f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen break; 33793f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 33803f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen *offset += chunk_size; 33813f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 338205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 338305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 338405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 338505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 338605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'f', 'h', 'd'): { 338705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 338805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentHeader(data_offset, chunk_data_size)) != OK) { 338905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 339005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 339105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 339205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 339305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 339405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 339505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'u', 'n'): { 339605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 339705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId == mTrackId) { 339805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentRun(data_offset, chunk_data_size)) != OK) { 339905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 340005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 340305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 340405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 340505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3407ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'z'): { 3408ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 3409ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationSizes(data_offset, chunk_data_size)) != OK) { 3410ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 3411ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3412ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3413ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3414ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3415ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'o'): { 3416ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 3417ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationOffsets(data_offset, chunk_data_size)) != OK) { 3418ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 3419ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3420ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3421ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3422ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3423ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3424ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('m', 'd', 'a', 't'): { 3425ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse DRM info if present 3426ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Source::parseChunk mdat"); 3427ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // if saiz/saoi was previously observed, do something with the sampleinfos 3428ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 3429ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 3430ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3431ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 343205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen default: { 343305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 343405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 343505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 343605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 343705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 343805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 343905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 344084333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MPEG4Source::parseSampleAuxiliaryInformationSizes( 344184333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber off64_t offset, off64_t /* size */) { 3442ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationSizes"); 3443ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.12 3444ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 3445ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt( 3446ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset, &version, sizeof(version)) 3447ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen < (ssize_t)sizeof(version)) { 3448ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3449ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3450ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3451ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version != 0) { 3452ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_UNSUPPORTED; 3453ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3454ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3455ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3456ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 3457ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 3458ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3459ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3460ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 3461ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3462ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (flags & 1) { 3463ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 3464ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3465ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3466ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3467ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoType = tmp; 3468ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3469ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3470ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3471ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3472ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoTypeParameter = tmp; 3473ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3474ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3475ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3476ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t defsize; 3477ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &defsize, 1) != 1) { 3478ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3479ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3480ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentDefaultSampleInfoSize = defsize; 3481ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3482ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3483ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t smplcnt; 3484ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &smplcnt)) { 3485ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 3486ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 348748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mCurrentSampleInfoCount = smplcnt; 3488ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3489ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 349048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (mCurrentDefaultSampleInfoSize != 0) { 349148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen ALOGV("@@@@ using default sample info size of %d", mCurrentDefaultSampleInfoSize); 349248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return OK; 349348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 3494ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (smplcnt > mCurrentSampleInfoAllocSize) { 3495ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes = (uint8_t*) realloc(mCurrentSampleInfoSizes, smplcnt); 3496ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize = smplcnt; 3497ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3498ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3499ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mDataSource->readAt(offset, mCurrentSampleInfoSizes, smplcnt); 3500ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 3501ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 3502ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 350384333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MPEG4Source::parseSampleAuxiliaryInformationOffsets( 350484333e0475bc911adc16417f4ca327c975cf6c36Andreas Huber off64_t offset, off64_t /* size */) { 3505ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationOffsets"); 3506ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.13 3507ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 3508ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &version, sizeof(version)) != 1) { 3509ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3510ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3511ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 3512ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3513ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 3514ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 3515ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3516ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3517ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 3518ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3519ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t entrycount; 3520ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &entrycount)) { 3521ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3522ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3523ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3524ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3525ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (entrycount > mCurrentSampleInfoOffsetsAllocSize) { 3526ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets = (uint64_t*) realloc(mCurrentSampleInfoOffsets, entrycount * 8); 3527ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize = entrycount; 3528ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3529ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetCount = entrycount; 3530ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3531ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < entrycount; i++) { 3532ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version == 0) { 3533ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 3534ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 3535ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3536ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3537ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 3538ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 3539ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } else { 3540ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t tmp; 3541ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt64(offset, &tmp)) { 3542ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3543ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3544ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 3545ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 8; 3546ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3547ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3548ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3549ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse clear/encrypted data 3550ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3551ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen off64_t drmoffset = mCurrentSampleInfoOffsets[0]; // from moof 3552ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3553ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += mCurrentMoofOffset; 3554ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int ivlength; 3555ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(mFormat->findInt32(kKeyCryptoDefaultIVSize, &ivlength)); 355648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 355748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // read CencSampleAuxiliaryDataFormats 3558ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mCurrentSampleInfoCount; i++) { 3559ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Sample *smpl = &mCurrentSamples.editItemAt(i); 3560ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3561ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(smpl->iv, 0, 16); 3562ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(drmoffset, smpl->iv, ivlength) != ivlength) { 3563ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3564ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3565ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3566ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += ivlength; 3567ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 356848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t smplinfosize = mCurrentDefaultSampleInfoSize; 356948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize == 0) { 357048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smplinfosize = mCurrentSampleInfoSizes[i]; 3571ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 357248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize > ivlength) { 357348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numsubsamples; 357448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numsubsamples)) { 3575ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 3576ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3577ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += 2; 357848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen for (size_t j = 0; j < numsubsamples; j++) { 357948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numclear; 358048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t numencrypted; 358148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numclear)) { 358248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 358348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 358448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 2; 358548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt32(drmoffset, &numencrypted)) { 358648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 358748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 358848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 4; 358948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(numclear); 359048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(numencrypted); 3591ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 359248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } else { 359348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(0); 359448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(smpl->size); 3595ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3596ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 3597ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3598ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 3599ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 3600ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 3601ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 360205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentHeader(off64_t offset, off64_t size) { 360305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 360405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 360505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 360605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 360705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 360805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 3609ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { // actually version + flags 361005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 361105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 361205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 361305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 361405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 361505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 361605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 361705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, (uint32_t*)&mLastParsedTrackId)) { 361805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 361905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 362005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 362105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId != mTrackId) { 362205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this is not the right track, skip it 362305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 362405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 362505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 362605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mFlags = flags; 362705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mTrackID = mLastParsedTrackId; 362805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 362905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 363005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 363105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment header: %08x %08x", flags, mTrackFragmentHeaderInfo.mTrackID); 363205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 363305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent) { 363405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 363505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 363605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 363705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 363805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &mTrackFragmentHeaderInfo.mBaseDataOffset)) { 363905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 364005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 364105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 364205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 364305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 364405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 364505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kSampleDescriptionIndexPresent) { 364605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 364705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 364805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 364905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 365005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mSampleDescriptionIndex)) { 365105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 365205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 365305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 365405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 365505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 365605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 365705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 365805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 365905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 366005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 366105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 366205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleDuration)) { 366305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 366405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 366505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 366605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 366705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 366805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 366905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 367005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 367105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 367205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 367305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 367405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleSize)) { 367505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 367605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 367705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 367805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 367905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 368005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 368105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 368205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 368305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 368405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 368505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 368605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleFlags)) { 368705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 368805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 368905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 369005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 369105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 369205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 369305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!(flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent)) { 369405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mBaseDataOffset = mCurrentMoofOffset; 369505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 369605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 369705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = 0; 369805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 369905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 370005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 370105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentRun(off64_t offset, off64_t size) { 370205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 370305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseTrackFragmentRun"); 370405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 370505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 370605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 370705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 370805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum { 370905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDataOffsetPresent = 0x01, 371005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kFirstSampleFlagsPresent = 0x04, 371105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDurationPresent = 0x100, 371205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleSizePresent = 0x200, 371305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleFlagsPresent = 0x400, 371405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleCompositionTimeOffsetPresent = 0x800, 371505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 371605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 371705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 371805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 371905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 372005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 372105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment run flags: %08x", flags); 372205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 372305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 372405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 372505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 372605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 372705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((flags & kFirstSampleFlagsPresent) && (flags & kSampleFlagsPresent)) { 372805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // These two shall not be used together. 372905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 373005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 373105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 373205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleCount; 373305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &sampleCount)) { 373405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 373505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 373605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 373705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 373805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 373905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t dataOffset = mTrackFragmentHeaderInfo.mDataOffset; 374005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 374105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t firstSampleFlags = 0; 374205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 374305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kDataOffsetPresent) { 374405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 374505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 374605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 374705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 374805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t dataOffsetDelta; 374905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, (uint32_t*)&dataOffsetDelta)) { 375005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 375105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 375205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 375305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset = mTrackFragmentHeaderInfo.mBaseDataOffset + dataOffsetDelta; 375405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 375505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 375605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 375705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 375805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 375905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kFirstSampleFlagsPresent) { 376005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 376105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 376205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 376305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 376405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &firstSampleFlags)) { 376505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 376605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 376705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 376805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 376905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 377005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 377105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleDuration = 0, sampleSize = 0, sampleFlags = 0, 377205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 377305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 377405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t bytesPerSample = 0; 377505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 377605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 377705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 377805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 377905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleDuration = mTrackFragmentHeaderInfo.mDefaultSampleDuration; 3780c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen } else if (mTrex) { 3781c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen sampleDuration = mTrex->default_sample_duration; 378205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 378305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 378405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 378505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 378605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 378705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 378805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 378905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 379005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 379105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 379205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 379305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 379405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 379505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 379605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 379705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 379805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 379905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 380005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 380105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 380205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 380305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 380405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 380505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 380605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 380705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3808ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar if (size < (off64_t)(sampleCount * bytesPerSample)) { 380905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 381005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 381105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 381205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Sample tmp; 381305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (uint32_t i = 0; i < sampleCount; ++i) { 381405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 381505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleDuration)) { 381605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 381705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 381805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 381905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 382005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 382105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 382205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleSize)) { 382305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 382405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 382505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 382605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 382705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 382805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 382905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleFlags)) { 383005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 383105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 383205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 383305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 383405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 383505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 383605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleCtsOffset)) { 383705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 383805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 383905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 384005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 384105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3842a5750e0dad9e90f2195ce36f2c4457fa04b2b83eMark Salyzyn ALOGV("adding sample %d at offset 0x%08" PRIx64 ", size %u, duration %u, " 3843ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen " flags 0x%08x", i + 1, 384405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset, sampleSize, sampleDuration, 384505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (flags & kFirstSampleFlagsPresent) && i == 0 384605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ? firstSampleFlags : sampleFlags); 384705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.offset = dataOffset; 384805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.size = sampleSize; 384905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.duration = sampleDuration; 3850c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen tmp.compositionOffset = sampleCtsOffset; 385105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.add(tmp); 385205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 385305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset += sampleSize; 385405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 385505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 385605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = dataOffset; 385705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 385805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 385905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 386005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 386120111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubersp<MetaData> MPEG4Source::getFormat() { 38627b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 38637b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 386420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return mFormat; 386520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 386620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 38676064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Hubersize_t MPEG4Source::parseNALSize(const uint8_t *data) const { 38686064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber switch (mNALLengthSize) { 38696064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 1: 38706064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return *data; 38716064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 2: 38726064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U16_AT(data); 38736064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 3: 38746064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return ((size_t)data[0] << 16) | U16_AT(&data[1]); 38756064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 4: 38766064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U32_AT(data); 38776064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 38786064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 38796064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // This cannot happen, mNALLengthSize springs to life by adding 1 to 38806064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // a 2-bit integer. 38816064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(!"Should not be here."); 38826064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 38836064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return 0; 38846064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber} 38856064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 388620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::read( 388720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer **out, const ReadOptions *options) { 38887b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 38897b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3890dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 389120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 389205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset > 0) { 389305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return fragmentedRead(out, options); 389405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 389505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 389620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = NULL; 389720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3898abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber int64_t targetSampleTimeUs = -1; 3899abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 390020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int64_t seekTimeUs; 3901abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber ReadOptions::SeekMode mode; 3902abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (options && options->getSeekTo(&seekTimeUs, &mode)) { 3903abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t findFlags = 0; 3904abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber switch (mode) { 3905abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_PREVIOUS_SYNC: 3906abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 3907abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3908abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_NEXT_SYNC: 3909abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagAfter; 3910abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3911abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST_SYNC: 3912abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST: 3913abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagClosest; 3914abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3915abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber default: 3916abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK(!"Should not be here."); 3917abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3918abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3919abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 392020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t sampleIndex; 3921abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber status_t err = mSampleTable->findSampleAtTime( 3922599950efbb03b1672561d4cf2272504b879525e8Lajos Molnar seekTimeUs, 1000000, mTimescale, 3923abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber &sampleIndex, findFlags); 3924abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3925abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 3926abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // We found the closest sample already, now we want the sync 3927abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // sample preceding it (or the sample itself of course), even 3928abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // if the subsequent sync sample is closer. 3929abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 3930abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3931abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3932abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleIndex; 3933abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (err == OK) { 3934abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber err = mSampleTable->findSyncSampleNear( 3935abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleIndex, &syncSampleIndex, findFlags); 3936abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 393720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3938788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber uint32_t sampleTime; 3939788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber if (err == OK) { 3940788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber err = mSampleTable->getMetaDataForSample( 3941788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber sampleIndex, NULL, NULL, &sampleTime); 3942788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber } 3943788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber 394420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 39455295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber if (err == ERROR_OUT_OF_RANGE) { 39465295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // An attempt to seek past the end of the stream would 39475295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // normally cause this ERROR_OUT_OF_RANGE error. Propagating 39485295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // this all the way to the MediaPlayer would cause abnormal 39495295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // termination. Legacy behaviour appears to be to behave as if 39505295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // we had seeked to the end of stream, ending normally. 39515295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber err = ERROR_END_OF_STREAM; 39525295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber } 395305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("end of stream"); 395420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 395520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 395620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3957abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 3958abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber targetSampleTimeUs = (sampleTime * 1000000ll) / mTimescale; 3959abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3960abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3961abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#if 0 3962abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleTime; 3963abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK_EQ(OK, mSampleTable->getMetaDataForSample( 3964abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleIndex, NULL, NULL, &syncSampleTime)); 3965abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3966df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("seek to time %lld us => sample at time %lld us, " 3967abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber "sync sample at time %lld us", 3968abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber seekTimeUs, 3969abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleTime * 1000000ll / mTimescale, 3970abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleTime * 1000000ll / mTimescale); 3971abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#endif 3972abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3973abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mCurrentSampleIndex = syncSampleIndex; 397420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 397520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 397620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 397720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 397820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 397920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // fall through 398020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 398120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3982c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset; 39830024245e134467d120b40099da16c467dc365e76Andreas Huber size_t size; 3984170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih uint32_t cts, stts; 39858bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber bool isSyncSample; 3986dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool newBuffer = false; 3987dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer == NULL) { 3988dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber newBuffer = true; 398920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3990c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber status_t err = 3991c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber mSampleTable->getMetaDataForSample( 3992170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mCurrentSampleIndex, &offset, &size, &cts, &isSyncSample, &stts); 399320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3994dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 3995dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 3996dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3997dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3998dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber err = mGroup->acquire_buffer(&mBuffer); 3999c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber 4000dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 4001ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK(mBuffer == NULL); 4002dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 4003dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 40040024245e134467d120b40099da16c467dc365e76Andreas Huber } 400520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 40063b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if ((!mIsAVC && !mIsHEVC) || mWantsNALFragments) { 4007dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (newBuffer) { 4008dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ssize_t num_bytes_read = 400934769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 4010dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4011dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (num_bytes_read < (ssize_t)size) { 4012dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 4013dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4014dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4015dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 4016dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4017dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 40187b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 4019dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range(0, size); 4020dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->meta_data()->clear(); 402148c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 40224678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4023170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4024170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)stts * 1000000) / mTimescale); 4025abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4026abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 4027abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 4028abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 4029abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4030abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 40318bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 40328bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 40338bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 40348bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 4035dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ++mCurrentSampleIndex; 4036dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4037dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 40383b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!mIsAVC && !mIsHEVC) { 4039dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = mBuffer; 4040dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4041dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4042dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 4043dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4044dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4045dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Each NAL unit is split up into its constituent fragments and 4046dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // each one of them returned in its own buffer. 4047dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 40486064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(mBuffer->range_length() >= mNALLengthSize); 4049dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4050dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber const uint8_t *src = 4051dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 4052dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 40536064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t nal_size = parseNALSize(src); 4054e8a084958c27327b0aca749f69095605d2a21309Andreas Huber if (mBuffer->range_length() < mNALLengthSize + nal_size) { 405529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("incomplete NAL unit."); 4056e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4057e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer->release(); 4058e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer = NULL; 4059e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4060e8a084958c27327b0aca749f69095605d2a21309Andreas Huber return ERROR_MALFORMED; 4061e8a084958c27327b0aca749f69095605d2a21309Andreas Huber } 4062dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4063dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber MediaBuffer *clone = mBuffer->clone(); 40647b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(clone != NULL); 40656064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 4066dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 40677b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 4068dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range( 40696064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_offset() + mNALLengthSize + nal_size, 40706064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_length() - mNALLengthSize - nal_size); 4071dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4072dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer->range_length() == 0) { 4073dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 4074dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 4075dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4076dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4077dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = clone; 4078dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4079dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 4080dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } else { 4081dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Whole NAL units are returned but each fragment is prefixed by 4082dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // the start code (0x00 00 00 01). 4083dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t num_bytes_read = 0; 4084dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t drm = 0; 4085dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 4086dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 4087dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = 4088dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDataSource->readAt(offset, (uint8_t*)mBuffer->data(), size); 4089dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 4090dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size); 4091dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 409220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 409320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (num_bytes_read < (ssize_t)size) { 409420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 409520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 409620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4097dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 409820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 409920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4100dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 4101dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 4102dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, size); 41036064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 4104dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 4105dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t *dstData = (uint8_t *)mBuffer->data(); 4106dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t srcOffset = 0; 4107dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t dstOffset = 0; 4108e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 4109dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (srcOffset < size) { 411034fe252c89e33572d01fea981b58d7b115e76164James Dong bool isMalFormed = (srcOffset + mNALLengthSize > size); 411134fe252c89e33572d01fea981b58d7b115e76164James Dong size_t nalLength = 0; 411234fe252c89e33572d01fea981b58d7b115e76164James Dong if (!isMalFormed) { 411334fe252c89e33572d01fea981b58d7b115e76164James Dong nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 411434fe252c89e33572d01fea981b58d7b115e76164James Dong srcOffset += mNALLengthSize; 411534fe252c89e33572d01fea981b58d7b115e76164James Dong isMalFormed = srcOffset + nalLength > size; 411634fe252c89e33572d01fea981b58d7b115e76164James Dong } 4117e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 411834fe252c89e33572d01fea981b58d7b115e76164James Dong if (isMalFormed) { 411929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Video is malformed"); 4120dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->release(); 4121dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer = NULL; 4122dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 4123dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4124dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 4125dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (nalLength == 0) { 4126dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang continue; 4127dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4128dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4129dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(dstOffset + 4 <= mBuffer->size()); 4130dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 4131dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4132dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4133dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 4134dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 1; 4135dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 4136dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang srcOffset += nalLength; 4137dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstOffset += nalLength; 4138dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 4139dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK_EQ(srcOffset, size); 4140dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 4141dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, dstOffset); 4142dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 4143dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 414420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->meta_data()->clear(); 414548c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 41464678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4147170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4148170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)stts * 1000000) / mTimescale); 4149abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 4150abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 4151abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 4152abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 4153abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 4154abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 41558bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 41568bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 41578bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 41588bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 415920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber ++mCurrentSampleIndex; 416020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 416120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = mBuffer; 416220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 416320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 416420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 416520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 416620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 416720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 416805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::fragmentedRead( 416905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer **out, const ReadOptions *options) { 417005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 417105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Source::fragmentedRead"); 417205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 417305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mStarted); 417405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 417505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = NULL; 417605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 417705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t targetSampleTimeUs = -1; 417805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 417905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t seekTimeUs; 418005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ReadOptions::SeekMode mode; 418105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (options && options->getSeekTo(&seekTimeUs, &mode)) { 418205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 418305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int numSidxEntries = mSegments.size(); 418405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (numSidxEntries != 0) { 418505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t totalTime = 0; 418605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t totalOffset = mFirstMoofOffset; 418705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (int i = 0; i < numSidxEntries; i++) { 418805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const SidxEntry *se = &mSegments[i]; 418905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (totalTime + se->mDurationUs > seekTimeUs) { 419005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The requested time is somewhere in this segment 41913f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if ((mode == ReadOptions::SEEK_NEXT_SYNC && seekTimeUs > totalTime) || 419205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (mode == ReadOptions::SEEK_CLOSEST_SYNC && 419305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (seekTimeUs - totalTime) > (totalTime + se->mDurationUs - seekTimeUs))) { 419405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // requested next sync, or closest sync and it was closer to the end of 419505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this segment 419605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 419705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 419805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 419905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 420005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 420105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 420205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 420305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 4204ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentMoofOffset = totalOffset; 4205ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSamples.clear(); 4206ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSampleIndex = 0; 4207ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen parseChunk(&totalOffset); 4208ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentTime = totalTime * mTimescale / 1000000ll; 4209ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen } else { 4210ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen // without sidx boxes, we can only seek to 0 4211ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentMoofOffset = mFirstMoofOffset; 4212ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSamples.clear(); 4213ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentSampleIndex = 0; 4214ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen off64_t tmp = mCurrentMoofOffset; 4215ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen parseChunk(&tmp); 4216ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen mCurrentTime = 0; 421705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 421805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 421905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer != NULL) { 422005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 422105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 422205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 422305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 422405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // fall through 422505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 422605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 422705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = 0; 4228442cc6dc48f8188e097617f7f804c314a9dacd0eAndreas Huber size_t size = 0; 422905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t cts = 0; 423005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool isSyncSample = false; 423105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool newBuffer = false; 423205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer == NULL) { 423305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen newBuffer = true; 423405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 423505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 42363f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen // move to next fragment if there is one 42373f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen if (mNextMoofOffset <= mCurrentMoofOffset) { 42383f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen return ERROR_END_OF_STREAM; 42393f80319d5bddfaf11a1513777561096fc1447172Marco Nelissen } 4240ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen off64_t nextMoof = mNextMoofOffset; 424105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset = nextMoof; 424205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.clear(); 424305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSampleIndex = 0; 424405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&nextMoof); 4245ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 4246ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen return ERROR_END_OF_STREAM; 4247ebfd32300605d67e4c45a97f4972d4b6ea268a37Marco Nelissen } 424805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 424905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 425005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 425105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset = smpl->offset; 425205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size = smpl->size; 4253c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen cts = mCurrentTime + smpl->compositionOffset; 425405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime += smpl->duration; 425505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen isSyncSample = (mCurrentSampleIndex == 0); // XXX 425605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 425705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = mGroup->acquire_buffer(&mBuffer); 425805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 425905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 426005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer == NULL); 426105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("acquire_buffer returned %d", err); 426205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 426305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 426405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 426505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 426648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 426748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const sp<MetaData> bufmeta = mBuffer->meta_data(); 426848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->clear(); 426948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smpl->encryptedsizes.size()) { 427048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // store clear/encrypted lengths in metadata 427148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyPlainSizes, 0, 427248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.array(), smpl->clearsizes.size() * 4); 427348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyEncryptedSizes, 0, 427448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.array(), smpl->encryptedsizes.size() * 4); 427548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoIV, 0, smpl->iv, 16); // use 16 or the actual size? 427648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoDefaultIVSize, mDefaultIVSize); 427748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoMode, mCryptoMode); 427848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoKey, 0, mCryptoKey, 16); 427948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 428048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 42813b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if ((!mIsAVC && !mIsHEVC)|| mWantsNALFragments) { 428205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (newBuffer) { 428305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 428405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 428505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 428605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 428705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 428805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 428905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 429005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("i/o error"); 429105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 429205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 429305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 429405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 429505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 429605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 429705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4298170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4299170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)smpl->duration * 1000000) / mTimescale); 430005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 430105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 430205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 430305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 430405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 430505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 430605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 430705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 430805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 430905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 431005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 431105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 431205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 43133b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar if (!mIsAVC && !mIsHEVC) { 431405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 431505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 431605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 431705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 431805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 431905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 432005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Each NAL unit is split up into its constituent fragments and 432105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // each one of them returned in its own buffer. 432205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 432305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer->range_length() >= mNALLengthSize); 432405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 432505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const uint8_t *src = 432605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 432705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 432805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nal_size = parseNALSize(src); 432905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() < mNALLengthSize + nal_size) { 433005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("incomplete NAL unit."); 433105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 433205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 433305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 433405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 433505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 433605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 433705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 433805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer *clone = mBuffer->clone(); 433905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(clone != NULL); 434005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 434105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 434205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 434305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range( 434405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_offset() + mNALLengthSize + nal_size, 434505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_length() - mNALLengthSize - nal_size); 434605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 434705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() == 0) { 434805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 434905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 435005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 435105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 435205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = clone; 435305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 435405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 435505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 435605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("whole NAL"); 435705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Whole NAL units are returned but each fragment is prefixed by 435805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // the start code (0x00 00 00 01). 435905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 0; 436005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t drm = 0; 436105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 436205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 436305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen num_bytes_read = 436405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource->readAt(offset, (uint8_t*)mBuffer->data(), size); 436505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 436605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size); 436705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 436805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 436905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 437005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 437105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 437205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 437305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("i/o error"); 437405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 437505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 437605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 437705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 437805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 437905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 438005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 438105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 438205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint8_t *dstData = (uint8_t *)mBuffer->data(); 438305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t srcOffset = 0; 438405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t dstOffset = 0; 438505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 438605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (srcOffset < size) { 438705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool isMalFormed = (srcOffset + mNALLengthSize > size); 438805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nalLength = 0; 438905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!isMalFormed) { 439005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 439105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += mNALLengthSize; 439205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen isMalFormed = srcOffset + nalLength > size; 439305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 439405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 439505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isMalFormed) { 439605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("Video is malformed"); 439705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 439805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 439905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 440005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 440105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 440205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (nalLength == 0) { 440305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen continue; 440405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 440505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 440605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(dstOffset + 4 <= mBuffer->size()); 440705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 440805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 440905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 441005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 441105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 1; 441205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 441305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += nalLength; 441405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstOffset += nalLength; 441505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 441605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK_EQ(srcOffset, size); 441705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 441805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, dstOffset); 441905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 442005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 442105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 442205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 4423170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih mBuffer->meta_data()->setInt64( 4424170056540e9ce65261b45efd15f67e72e2df1bedRobert Shih kKeyDuration, ((int64_t)smpl->duration * 1000000) / mTimescale); 442505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 442605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 442705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 442805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 442905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 443005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 443205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 443305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 443405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 443605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 443705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 443805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 443905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 444005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 444105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 444205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 444305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4444bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas HuberMPEG4Extractor::Track *MPEG4Extractor::findTrackByMimePrefix( 4445bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mimePrefix) { 4446bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber for (Track *track = mFirstTrack; track != NULL; track = track->next) { 4447bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mime; 4448bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (track->meta != NULL 4449bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && track->meta->findCString(kKeyMIMEType, &mime) 4450bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && !strncasecmp(mime, mimePrefix, strlen(mimePrefix))) { 4451bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return track; 4452bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 4453bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 4454bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 4455bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return NULL; 4456bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber} 4457bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 44581b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool LegacySniffMPEG4( 4459693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence) { 446020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t header[8]; 446120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 446234769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber ssize_t n = source->readAt(4, header, sizeof(header)); 446320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (n < (ssize_t)sizeof(header)) { 446420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 446520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 446620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 446720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (!memcmp(header, "ftyp3gp", 7) || !memcmp(header, "ftypmp42", 8) 4468b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3gr6", 8) || !memcmp(header, "ftyp3gs6", 8) 4469b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3ge6", 8) || !memcmp(header, "ftyp3gg6", 8) 44700dba73763a04d39faf999dcc5ef12af3c99535a7Andreas Huber || !memcmp(header, "ftypisom", 8) || !memcmp(header, "ftypM4V ", 8) 4471ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber || !memcmp(header, "ftypM4A ", 8) || !memcmp(header, "ftypf4v ", 8) 4472983b449a27b5fa91eca82ede5204b4341899be62Andreas Huber || !memcmp(header, "ftypkddi", 8) || !memcmp(header, "ftypM4VP", 8)) { 447318291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 44745a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4; 447520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 447620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return true; 447720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 447820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 447920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 448020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 448120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 44821b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool isCompatibleBrand(uint32_t fourcc) { 44831b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber static const uint32_t kCompatibleBrands[] = { 44841b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', 'm'), 44851b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', '2'), 44861b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('a', 'v', 'c', '1'), 44873b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar FOURCC('h', 'v', 'c', '1'), 44883b5a6b9fa6c6825a1d0b441429e2bb365b259827Harish Mahendrakar FOURCC('h', 'e', 'v', '1'), 44891b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('3', 'g', 'p', '4'), 44901b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '1'), 44911b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '2'), 44924cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong 44934cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Won't promise that the following file types can be played. 44944cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Just give these file types a chance. 44954cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('q', 't', ' ', ' '), // Apple's QuickTime 44964cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('M', 'S', 'N', 'V'), // Sony's PSP 449758fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber 449858fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'a'), // 3GPP2 449958fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'b'), 45001b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber }; 45011b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 45021b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber for (size_t i = 0; 45031b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber i < sizeof(kCompatibleBrands) / sizeof(kCompatibleBrands[0]); 45041b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber ++i) { 45051b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (kCompatibleBrands[i] == fourcc) { 45061b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 45071b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 45081b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 45091b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 45101b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 45111b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 45121b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 45131b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// Attempt to actually parse the 'ftyp' atom and determine if a suitable 45141b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// compatible brand is present. 4515a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// Also try to identify where this file's metadata ends 4516a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// (end of the 'moov' atom) and report it to the caller as part of 4517a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// the metadata. 45181b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool BetterSniffMPEG4( 4519a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 4520a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 4521a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // We scan up to 128 bytes to identify this file as an MP4. 4522a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber static const off64_t kMaxScanOffset = 128ll; 45231b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4524a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t offset = 0ll; 4525a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool foundGoodFileType = false; 4526a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t moovAtomEndOffset = -1ll; 4527a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool done = false; 45281b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4529a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber while (!done && offset < kMaxScanOffset) { 4530a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t hdr[2]; 4531a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset, hdr, 8) < 8) { 4532a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4533a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4534a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4535a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint64_t chunkSize = ntohl(hdr[0]); 4536a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t chunkType = ntohl(hdr[1]); 4537a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataOffset = offset + 8; 4538a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4539a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize == 1) { 4540a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset + 8, &chunkSize, 8) < 8) { 45411b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 45421b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 45431b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4544a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkSize = ntoh64(chunkSize); 4545a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset += 8; 4546a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4547a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize < 16) { 4548a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 16 bytes long in this case. 4549a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4550a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4551a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } else if (chunkSize < 8) { 4552a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 8 bytes long. 4553a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4554a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4555a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4556a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataSize = offset + chunkSize - chunkDataOffset; 4557a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 455805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunkstring[5]; 455905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunkType, chunkstring); 4560ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("saw chunk type %s, size %" PRIu64 " @ %lld", chunkstring, chunkSize, (long long)offset); 4561a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber switch (chunkType) { 4562a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('f', 't', 'y', 'p'): 4563a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 4564a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkDataSize < 8) { 4565a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4566a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4567a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4568a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t numCompatibleBrands = (chunkDataSize - 8) / 4; 4569a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber for (size_t i = 0; i < numCompatibleBrands + 2; ++i) { 4570a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (i == 1) { 4571a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // Skip this index, it refers to the minorVersion, 4572a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // not a brand. 4573a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber continue; 4574a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4575a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4576a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t brand; 4577a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt( 4578a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset + 4 * i, &brand, 4) < 4) { 4579a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4580a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4581a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4582a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber brand = ntohl(brand); 4583a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4584a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (isCompatibleBrand(brand)) { 4585a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber foundGoodFileType = true; 4586a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 4587a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4588a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4589a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4590a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 4591a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 4592a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4593a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 45941b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber break; 45951b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 4596a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4597a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('m', 'o', 'o', 'v'): 4598a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 4599a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber moovAtomEndOffset = offset + chunkSize; 4600a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4601a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber done = true; 4602a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 4603a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4604a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4605a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber default: 4606a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 46071b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 4608a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4609a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber offset += chunkSize; 46101b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46111b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4612a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 46131b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 46141b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46151b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46161b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 46175a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4f; 46181b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 4619a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (moovAtomEndOffset >= 0) { 4620a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber *meta = new AMessage; 4621a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber (*meta)->setInt64("meta-data-size", moovAtomEndOffset); 4622a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 4623ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGV("found metadata size: %lld", (long long)moovAtomEndOffset); 4624a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 4625a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 46261b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 46271b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 46281b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46291b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberbool SniffMPEG4( 46305a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 4631a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 4632a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (BetterSniffMPEG4(source, mimeType, confidence, meta)) { 46331b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 46341b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46351b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46361b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (LegacySniffMPEG4(source, mimeType, confidence)) { 46375ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Identified supported mpeg4 through LegacySniffMPEG4."); 46381b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 46391b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 46401b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 46411b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 46421b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 46431b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 464420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 4645