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" 1920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/Log.h> 2020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2166326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/MPEG4Extractor.h" 2289e69da4d86348409994c9dafbbb2634ccd7c196Andreas Huber#include "include/SampleTable.h" 237a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang#include "include/ESDS.h" 2489e69da4d86348409994c9dafbbb2634ccd7c196Andreas Huber 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <ctype.h> 2620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <stdint.h> 2720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <stdlib.h> 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <string.h> 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke#include <media/stagefright/foundation/ABitReader.h> 31d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson#include <media/stagefright/foundation/ABuffer.h> 32ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#include <media/stagefright/foundation/ADebug.h> 33a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber#include <media/stagefright/foundation/AMessage.h> 3420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBuffer.h> 3520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBufferGroup.h> 3618291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber#include <media/stagefright/MediaDefs.h> 3720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaSource.h> 3820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MetaData.h> 3920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/String8.h> 4020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Source : public MediaSource { 4420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 4520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Caller retains ownership of both "dataSource" and "sampleTable". 46693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber MPEG4Source(const sp<MetaData> &format, 47693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 4848c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 4905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 5005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 5105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset); 5220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t start(MetaData *params = NULL); 5420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual status_t stop(); 5520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber virtual sp<MetaData> getFormat(); 5720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); 5905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual status_t fragmentedRead(MediaBuffer **buffer, const ReadOptions *options = NULL); 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 61693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 62693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Source(); 63693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 657b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex mLock; 667b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> mFormat; 68693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t mTimescale; 70693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> mSampleTable; 7120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t mCurrentSampleIndex; 7205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentFragmentIndex; 7305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &mSegments; 7405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mFirstMoofOffset; 7505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mCurrentMoofOffset; 7605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mNextMoofOffset; 7705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mCurrentTime; 7805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mLastParsedTrackId; 7905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t mTrackId; 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 81ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mCryptoMode; // passed in from extractor 82ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int32_t mDefaultIVSize; // passed in from extractor 83ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t mCryptoKey[16]; // passed in from extractor 84ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoType; 85ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentAuxInfoTypeParameter; 8648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t mCurrentDefaultSampleInfoSize; 87ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoCount; 88ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoAllocSize; 89ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t* mCurrentSampleInfoSizes; 90ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetCount; 91ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t mCurrentSampleInfoOffsetsAllocSize; 92ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t* mCurrentSampleInfoOffsets; 93ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 9420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mIsAVC; 956064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t mNALLengthSize; 966064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 9720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mStarted; 9820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBufferGroup *mGroup; 10020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer *mBuffer; 10220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 103dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool mWantsNALFragments; 10420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1050024245e134467d120b40099da16c467dc365e76Andreas Huber uint8_t *mSrcBuffer; 1060024245e134467d120b40099da16c467dc365e76Andreas Huber 1076064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t parseNALSize(const uint8_t *data) const; 10805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseChunk(off64_t *offset); 10905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentHeader(off64_t offset, off64_t size); 11005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseTrackFragmentRun(off64_t offset, off64_t size); 111ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationSizes(off64_t offset, off64_t size); 112ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t parseSampleAuxiliaryInformationOffsets(off64_t offset, off64_t size); 11305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 11405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct TrackFragmentHeaderInfo { 11505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum Flags { 11605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kBaseDataOffsetPresent = 0x01, 11705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDescriptionIndexPresent = 0x02, 11805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleDurationPresent = 0x08, 11905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleSizePresent = 0x10, 12005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDefaultSampleFlagsPresent = 0x20, 12105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDurationIsEmpty = 0x10000, 12205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 12305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 12405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mTrackID; 12505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mFlags; 12605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mBaseDataOffset; 12705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mSampleDescriptionIndex; 12805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleDuration; 12905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleSize; 13005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDefaultSampleFlags; 13105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 13205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mDataOffset; 13305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 13405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen TrackFragmentHeaderInfo mTrackFragmentHeaderInfo; 13505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 13605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen struct Sample { 13705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset; 13805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t size; 13905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t duration; 140ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t iv[16]; 141ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> clearsizes; 142ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<size_t> encryptedsizes; 14305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 14405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<Sample> mCurrentSamples; 1456064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 14620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source(const MPEG4Source &); 14720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Source &operator=(const MPEG4Source &); 14820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 14920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 15050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This custom data source wraps an existing one and satisfies requests 15150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// falling entirely within a cached range from the cache while forwarding 15250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// all remaining requests to the wrapped datasource. 15350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// This is used to cache the full sampletable metadata for a single track, 15450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// possibly wrapping multiple times to cover all tracks, i.e. 15550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber// Each MPEG4DataSource caches the sampletable metadata for a single track. 15650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 15750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstruct MPEG4DataSource : public DataSource { 15850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const sp<DataSource> &source); 15950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 16050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual status_t initCheck() const; 161c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual ssize_t readAt(off64_t offset, void *data, size_t size); 162c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong virtual status_t getSize(off64_t *size); 16350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual uint32_t flags(); 16450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 165c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t setCachedRange(off64_t offset, size_t size); 16650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 16750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprotected: 16850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber virtual ~MPEG4DataSource(); 16950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberprivate: 17150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex mLock; 17250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber sp<DataSource> mSource; 174c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mCachedOffset; 17550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber size_t mCachedSize; 17650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber uint8_t *mCache; 17750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 17850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber void clearCache(); 17950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource(const MPEG4DataSource &); 18150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber MPEG4DataSource &operator=(const MPEG4DataSource &); 18250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber}; 18350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 18450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::MPEG4DataSource(const sp<DataSource> &source) 18550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber : mSource(source), 18650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset(0), 18750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize(0), 18850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache(NULL) { 18950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 19050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas HuberMPEG4DataSource::~MPEG4DataSource() { 19250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 19350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 19450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 19550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Hubervoid MPEG4DataSource::clearCache() { 19650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (mCache) { 19750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber free(mCache); 19850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache = NULL; 19950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 20050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset = 0; 20250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize = 0; 20350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 20550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberstatus_t MPEG4DataSource::initCheck() const { 20650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->initCheck(); 20750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 20850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 209c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t MPEG4DataSource::readAt(off64_t offset, void *data, size_t size) { 21050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex::Autolock autoLock(mLock); 21150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (offset >= mCachedOffset 21350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber && offset + size <= mCachedOffset + mCachedSize) { 21450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber memcpy(data, &mCache[offset - mCachedOffset], size); 21550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return size; 21650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 21750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 21850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->readAt(offset, data, size); 21950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 22050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 221c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4DataSource::getSize(off64_t *size) { 22250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->getSize(size); 22350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 22450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 22550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huberuint32_t MPEG4DataSource::flags() { 22650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return mSource->flags(); 22750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 22850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 229c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4DataSource::setCachedRange(off64_t offset, size_t size) { 23050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber Mutex::Autolock autoLock(mLock); 23150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 23250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 23350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 23450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCache = (uint8_t *)malloc(size); 23550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 23650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (mCache == NULL) { 23750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return -ENOMEM; 23850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 23950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedOffset = offset; 24150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mCachedSize = size; 24250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber ssize_t err = mSource->readAt(mCachedOffset, mCache, mCachedSize); 24450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (err < (ssize_t)size) { 24650a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber clearCache(); 24750a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 24850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return ERROR_IO; 24950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 25050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber return OK; 25250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber} 25350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber//////////////////////////////////////////////////////////////////////////////// 25550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 25620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatic void hexdump(const void *_data, size_t size) { 25720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const uint8_t *data = (const uint8_t *)_data; 25820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t offset = 0; 25920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (offset < size) { 26020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("0x%04x ", offset); 26120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 26220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t n = size - offset; 26320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (n > 16) { 26420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber n = 16; 26520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 26620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 26720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (size_t i = 0; i < 16; ++i) { 26820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (i == 8) { 26920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 27020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 27120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 27220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (offset + i < size) { 27320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("%02x ", data[offset + i]); 27420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 27520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 27620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 27720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 27820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 27920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf(" "); 28020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 28120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (size_t i = 0; i < n; ++i) { 28220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (isprint(data[offset + i])) { 28320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("%c", data[offset + i]); 28420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 28520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("."); 28620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 28720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 28820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 28920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("\n"); 29020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 29120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber offset += 16; 29220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 29320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 29420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 29518291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huberstatic const char *FourCC2MIME(uint32_t fourcc) { 29620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber switch (fourcc) { 29720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'a'): 29818291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AAC; 29920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 'a', 'm', 'r'): 30118291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AMR_NB; 30220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 303371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber case FOURCC('s', 'a', 'w', 'b'): 30418291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_AUDIO_AMR_WB; 305371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 30620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'v'): 30718291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_MPEG4; 30820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', '2', '6', '3'): 310e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('h', '2', '6', '3'): 311e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('H', '2', '6', '3'): 31218291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_H263; 31320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 31420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', '1'): 31518291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber return MEDIA_MIMETYPE_VIDEO_AVC; 31620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 31720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber default: 318dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(!"should not be here."); 31920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 32020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 32120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 32220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 32348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissenstatic bool AdjustChannelsAndRate(uint32_t fourcc, uint32_t *channels, uint32_t *rate) { 32448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, FourCC2MIME(fourcc))) { 32548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // AMR NB audio is always mono, 8kHz 32648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *channels = 1; 32748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *rate = 8000; 32848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return true; 32948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, FourCC2MIME(fourcc))) { 33048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // AMR WB audio is always mono, 16kHz 33148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *channels = 1; 33248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen *rate = 16000; 33348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return true; 33448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 33548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return false; 33648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen} 33748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 338693d271e62a3726689ff68f4505ba49228eb94b2Andreas HuberMPEG4Extractor::MPEG4Extractor(const sp<DataSource> &source) 33905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen : mSidxDuration(0), 34005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mMoofOffset(0), 34105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource(source), 342bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck(NO_INIT), 3437be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber mHasVideo(false), 344fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale(0), 34520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mFirstTrack(NULL), 34672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mLastTrack(NULL), 347dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFileMetaData(new MetaData), 348dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF(NULL), 349dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mIsDrm(false) { 35020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 35120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 35220111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Extractor::~MPEG4Extractor() { 35320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 35420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (track) { 35520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next = track->next; 35620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 35720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete track; 35820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = next; 35920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 36020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mFirstTrack = mLastTrack = NULL; 361dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 362dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 363dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf) { 364dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *next = sinf->next; 365dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang delete sinf->IPMPData; 366dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang delete sinf; 367dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = next; 368dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 369dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF = NULL; 370ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 371ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 372ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen delete [] mPssh[i].data; 373ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 37420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 37520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 37605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenuint32_t MPEG4Extractor::flags() const { 37705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return CAN_PAUSE | 37805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ((mMoofOffset == 0 || mSidxEntries.size() != 0) ? 37905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK) : 0); 38005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 38105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3827be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Hubersp<MetaData> MPEG4Extractor::getMetaData() { 3837be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber status_t err; 3847be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber if ((err = readMetaData()) != OK) { 38572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return new MetaData; 3867be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber } 3877be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 38872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return mFileMetaData; 3897be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber} 3907be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 391693d271e62a3726689ff68f4505ba49228eb94b2Andreas Hubersize_t MPEG4Extractor::countTracks() { 39220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 39320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 394ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Extractor::countTracks: no tracks"); 395693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return 0; 39620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 39720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 398693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber size_t n = 0; 39920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 40020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (track) { 401693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber ++n; 40220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 40320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 40420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 405ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Extractor::countTracks: %d tracks", n); 406693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return n; 40720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 40820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4097e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Hubersp<MetaData> MPEG4Extractor::getTrackMetaData( 4107e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber size_t index, uint32_t flags) { 41120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 41220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 41320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 41420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 41520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 41620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 41720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (index > 0) { 41820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (track == NULL) { 41920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return NULL; 42020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 42120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 42220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 42320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber --index; 42420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 42520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 426371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber if (track == NULL) { 427371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber return NULL; 428371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber } 429371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 4307e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber if ((flags & kIncludeExtensiveMetaData) 4317e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber && !track->includes_expensive_metadata) { 4327e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber track->includes_expensive_metadata = true; 4337e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber 4347e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber const char *mime; 4357e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber CHECK(track->meta->findCString(kKeyMIMEType, &mime)); 4367e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber if (!strncasecmp("video/", mime, 6)) { 43705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mMoofOffset > 0) { 43805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t duration; 43905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (track->meta->findInt64(kKeyDuration, &duration)) { 44005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // nothing fancy, just pick a frame near 1/4th of the duration 44105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta->setInt64( 44205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyThumbnailTime, duration / 4); 44305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 44405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 44505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleIndex; 44605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleTime; 44705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (track->sampleTable->findThumbnailSample(&sampleIndex) == OK 44805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen && track->sampleTable->getMetaDataForSample( 44905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleIndex, NULL /* offset */, NULL /* size */, 45005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen &sampleTime) == OK) { 45105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta->setInt64( 45205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyThumbnailTime, 45305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ((int64_t)sampleTime * 1000000) / track->timescale); 45405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 4557e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4567e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4577e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber } 4587e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber 45920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return track->meta; 46020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 46120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 46248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissenstatic void MakeFourCCString(uint32_t x, char *s) { 46348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[0] = x >> 24; 46448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[1] = (x >> 16) & 0xff; 46548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[2] = (x >> 8) & 0xff; 46648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[3] = x & 0xff; 46748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen s[4] = '\0'; 46848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen} 46948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 47020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Extractor::readMetaData() { 471bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (mInitCheck != NO_INIT) { 472bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return mInitCheck; 47320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 47420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 475c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset = 0; 47620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 47705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (true) { 47805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen err = parseChunk(&offset, 0); 47905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err == OK) { 48005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen continue; 48105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 48205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 48305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t hdr[2]; 48405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(offset, hdr, 8) < 8) { 48505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 48605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 48705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t chunk_type = ntohl(hdr[1]); 48805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_type == FOURCC('s', 'i', 'd', 'x')) { 48905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // parse the sidx box too 49005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen continue; 49105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 49205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // store the offset of the first segment 49305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mMoofOffset = offset; 49405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 49505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 49620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 4977be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 498bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (mInitCheck == OK) { 49972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mHasVideo) { 500bc8b5faec8a0a9ad7c8d94945e7b000d63f0afe6Andreas Huber mFileMetaData->setCString( 501bc8b5faec8a0a9ad7c8d94945e7b000d63f0afe6Andreas Huber kKeyMIMEType, MEDIA_MIMETYPE_CONTAINER_MPEG4); 50272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 50372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyMIMEType, "audio/mp4"); 50472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 50572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 5064678a6dc5f09008481524949a9667af5a6190374Andreas Huber mInitCheck = OK; 507bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } else { 508bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck = err; 50920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 51020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 511bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber CHECK_NE(err, (status_t)NO_INIT); 512ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 513ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // copy pssh data into file metadata 514ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int psshsize = 0; 515ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 516ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen psshsize += 20 + mPssh[i].datalen; 517ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 518ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (psshsize) { 519ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char *buf = (char*)malloc(psshsize); 520ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char *ptr = buf; 521ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mPssh.size(); i++) { 522ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(ptr, mPssh[i].uuid, 20); // uuid + length 523ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(ptr + 20, mPssh[i].data, mPssh[i].datalen); 524ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ptr += (20 + mPssh[i].datalen); 525ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 526ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFileMetaData->setData(kKeyPssh, 'pssh', buf, psshsize); 527ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(buf); 528ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 529bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return mInitCheck; 53020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 53120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 532dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wangchar* MPEG4Extractor::getDrmTrackInfo(size_t trackID, int *len) { 533dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mFirstSINF == NULL) { 534dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return NULL; 535dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 536dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 537dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 538dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf && (trackID != sinf->trackID)) { 539dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = sinf->next; 540dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 541dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 542dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (sinf == NULL) { 543dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return NULL; 544dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 545dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 546dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *len = sinf->len; 547dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return sinf->IPMPData; 548dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 549dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 550dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang// Reads an encoded integer 7 bits at a time until it encounters the high bit clear. 55156997121c5031598fbbba7b7c53980b7fd529c2dMarco Nelissenstatic int32_t readSize(off64_t offset, 552dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang const sp<DataSource> DataSource, uint8_t *numOfBytes) { 553dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint32_t size = 0; 554dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t data; 555dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool moreData = true; 556dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *numOfBytes = 0; 557dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 558dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (moreData) { 559dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (DataSource->readAt(offset, &data, 1) < 1) { 560dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return -1; 561dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 562dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang offset ++; 563dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang moreData = (data >= 128) ? true : false; 564dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size = (size << 7) | (data & 0x7f); // Take last 7 bits 565dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang (*numOfBytes) ++; 566dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 567dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 568dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return size; 569dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 570dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 571c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4Extractor::parseDrmSINF(off64_t *offset, off64_t data_offset) { 572dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t updateIdTag; 573dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &updateIdTag, 1) < 1) { 574dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 575dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 576dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 577dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 578dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x01/*OBJECT_DESCRIPTOR_UPDATE_ID_TAG*/ != updateIdTag) { 579dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 580dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 581dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 582dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t numOfBytes; 583dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t size = readSize(data_offset, mDataSource, &numOfBytes); 584dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size < 0) { 585dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 586dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 587dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t classSize = size; 588dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 589dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 590dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while(size >= 11 ) { 591dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t descriptorTag; 592dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &descriptorTag, 1) < 1) { 593dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 594dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 595dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 596dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 597dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x11/*OBJECT_DESCRIPTOR_ID_TAG*/ != descriptorTag) { 598dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 599dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 600dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 601dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t buffer[8]; 602dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang //ObjectDescriptorID and ObjectDescriptor url flag 603dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, buffer, 2) < 2) { 604dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 605dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 606dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += 2; 607dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 608dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if ((buffer[1] >> 5) & 0x0001) { //url flag is set 609dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 610dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 611dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 612dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, buffer, 8) < 8) { 613dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 614dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 615dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += 8; 616dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 617dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if ((0x0F/*ES_ID_REF_TAG*/ != buffer[1]) 618dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang || ( 0x0A/*IPMP_DESCRIPTOR_POINTER_ID_TAG*/ != buffer[5])) { 619dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 620dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 621dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 622dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = new SINF; 623dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->trackID = U16_AT(&buffer[3]); 624dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->IPMPDescriptorID = buffer[7]; 625dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->next = mFirstSINF; 626dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mFirstSINF = sinf; 627dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 628dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size -= (8 + 2 + 1); 629dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 630dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 631dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size != 0) { 632dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 633dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 634dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 635dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &updateIdTag, 1) < 1) { 636dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 637dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 638dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 639dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 640dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if(0x05/*IPMP_DESCRIPTOR_UPDATE_ID_TAG*/ != updateIdTag) { 641dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 642dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 643dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 644dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size = readSize(data_offset, mDataSource, &numOfBytes); 645dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size < 0) { 646dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 647dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 648dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang classSize = size; 649dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 650dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 651dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (size > 0) { 652dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t tag; 653dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t dataLen; 654dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &tag, 1) < 1) { 655dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 656dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 657dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 658dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 659dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (0x0B/*IPMP_DESCRIPTOR_ID_TAG*/ == tag) { 660dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t id; 661dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dataLen = readSize(data_offset, mDataSource, &numOfBytes); 662dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (dataLen < 0) { 663dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 664dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else if (dataLen < 4) { 665dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 666dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 667dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += numOfBytes; 668dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 669dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset, &id, 1) < 1) { 670dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 671dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 672dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset ++; 673dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 674dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *sinf = mFirstSINF; 675dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (sinf && (sinf->IPMPDescriptorID != id)) { 676dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf = sinf->next; 677dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 678dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (sinf == NULL) { 679dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 680dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 681dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->len = dataLen - 3; 682dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang sinf->IPMPData = new char[sinf->len]; 683dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 684dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDataSource->readAt(data_offset + 2, sinf->IPMPData, sinf->len) < sinf->len) { 685dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_IO; 686dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 687dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang data_offset += sinf->len; 688dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 689dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size -= (dataLen + numOfBytes + 1); 690dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 691dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 692dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 693dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (size != 0) { 694dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 695dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 696dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 697dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return UNKNOWN_ERROR; // Return a dummy error. 698dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 699dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 70072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstruct PathAdder { 70172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder(Vector<uint32_t> *path, uint32_t chunkType) 70272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber : mPath(path) { 70372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mPath->push(chunkType); 70472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 70572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 70672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber ~PathAdder() { 70772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mPath->pop(); 70872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 70972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 71072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberprivate: 71172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber Vector<uint32_t> *mPath; 71272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 71372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder(const PathAdder &); 71472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder &operator=(const PathAdder &); 71572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber}; 71672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 71772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstatic bool underMetaDataPath(const Vector<uint32_t> &path) { 71872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return path.size() >= 5 71972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[0] == FOURCC('m', 'o', 'o', 'v') 72072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[1] == FOURCC('u', 'd', 't', 'a') 72172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[2] == FOURCC('m', 'e', 't', 'a') 72272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && path[3] == FOURCC('i', 'l', 's', 't'); 72372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 72472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 72572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber// Given a time in seconds since Jan 1 1904, produce a human-readable string. 72672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huberstatic void convertTimeToDate(int64_t time_1904, String8 *s) { 72772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber time_t time_1970 = time_1904 - (((66 * 365 + 17) * 24) * 3600); 72872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 72972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char tmp[32]; 73072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber strftime(tmp, sizeof(tmp), "%Y%m%dT%H%M%S.000Z", gmtime(&time_1970)); 73172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 73272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber s->setTo(tmp); 73372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 73472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 735c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) { 7365d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen ALOGV("entering parseChunk %lld/%d", *offset, depth); 73720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t hdr[2]; 73834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt(*offset, hdr, 8) < 8) { 73920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 74020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 74120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint64_t chunk_size = ntohl(hdr[0]); 74220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t chunk_type = ntohl(hdr[1]); 743c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t data_offset = *offset + 8; 74420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 74520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_size == 1) { 74634769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt(*offset + 8, &chunk_size, 8) < 8) { 74720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 74820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 74920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_size = ntoh64(chunk_size); 75020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset += 8; 75171b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber 75271b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber if (chunk_size < 16) { 75371b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber // The smallest valid chunk is 16 bytes long in this case. 75471b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber return ERROR_MALFORMED; 75571b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber } 75671b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber } else if (chunk_size < 8) { 75771b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber // The smallest valid chunk is 8 bytes long. 75871b1a4e975dfb65660a0119b9d6bf6db77eca09eAndreas Huber return ERROR_MALFORMED; 75920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 76020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 76120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber char chunk[5]; 76220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MakeFourCCString(chunk_type, chunk); 76305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("chunk: %s @ %lld, %d", chunk, *offset, depth); 76420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 76520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#if 0 76620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber static const char kWhitespace[] = " "; 76720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const char *indent = &kWhitespace[sizeof(kWhitespace) - 1 - 2 * depth]; 76820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber printf("%sfound chunk '%s' of size %lld\n", indent, chunk, chunk_size); 76920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 77020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber char buffer[256]; 771ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber size_t n = chunk_size; 772ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber if (n > sizeof(buffer)) { 773ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber n = sizeof(buffer); 774ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber } 775ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber if (mDataSource->readAt(*offset, buffer, n) 776ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber < (ssize_t)n) { 777ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber return ERROR_IO; 77820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 779ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber 780ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber hexdump(buffer, n); 78120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif 78220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 78372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber PathAdder autoAdder(&mPath, chunk_type); 78472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 785c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t chunk_data_size = *offset + chunk_size - data_offset; 78620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 78772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (chunk_type != FOURCC('c', 'p', 'r', 't') 788515e855eae78aa495da58356486aaa666cb57fd1James Dong && chunk_type != FOURCC('c', 'o', 'v', 'r') 78972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber && mPath.size() == 5 && underMetaDataPath(mPath)) { 790c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 79172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber *offset = data_offset; 79272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber while (*offset < stop_offset) { 79372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseChunk(offset, depth + 1); 79472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 79572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 79672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 79772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 798bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 799bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 800bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 801bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 80272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 80372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return OK; 80472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 80572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 80620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber switch(chunk_type) { 80720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'o', 'o', 'v'): 80820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'r', 'a', 'k'): 80920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'd', 'i', 'a'): 81020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'i', 'n', 'f'): 81120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('d', 'i', 'n', 'f'): 81220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'b', 'l'): 81320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'v', 'e', 'x'): 81420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'o', 'o', 'f'): 81520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'r', 'a', 'f'): 81620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'f', 'r', 'a'): 81772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('u', 'd', 't', 'a'): 81872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('i', 'l', 's', 't'): 819ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'i', 'n', 'f'): 820ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'c', 'h', 'i'): 8210a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen case FOURCC('e', 'd', 't', 's'): 82220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 82350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (chunk_type == FOURCC('s', 't', 'b', 'l')) { 8243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("sampleTable chunk is %d bytes long.", (size_t)chunk_size); 82550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 826b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber if (mDataSource->flags() 827b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber & (DataSource::kWantsPrefetching 828b9d3038ec950665639e26acd51329ebc800e780dAndreas Huber | DataSource::kIsCachingDataSource)) { 82950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber sp<MPEG4DataSource> cachedSource = 83050a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber new MPEG4DataSource(mDataSource); 83150a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 83250a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber if (cachedSource->setCachedRange(*offset, chunk_size) == OK) { 83350a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber mDataSource = cachedSource; 83450a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 83550a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 8361edbcb2bb9988cc7cb54a865aaea4613bdd53a9dAndreas Huber 8371edbcb2bb9988cc7cb54a865aaea4613bdd53a9dAndreas Huber mLastTrack->sampleTable = new SampleTable(mDataSource); 83850a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber } 83950a9976892316c033cd90d522ecbfcc8e3c0eb9bAndreas Huber 8406f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber bool isTrack = false; 841bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (chunk_type == FOURCC('t', 'r', 'a', 'k')) { 8426f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber isTrack = true; 8436f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 844bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber Track *track = new Track; 845bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->next = NULL; 846bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (mLastTrack) { 847bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mLastTrack->next = track; 848bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else { 849bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mFirstTrack = track; 850bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 851bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber mLastTrack = track; 852bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 853bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->meta = new MetaData; 854bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->includes_expensive_metadata = false; 8556f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber track->skipTrack = false; 856bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->timescale = 0; 857bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber track->meta->setCString(kKeyMIMEType, "application/octet-stream"); 858bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 859bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 860c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 86120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset; 86220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 86320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 86420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 86520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 86620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 86720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 86820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 869bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 870bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 871bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 872bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 8736f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (isTrack) { 8746f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (mLastTrack->skipTrack) { 8756f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber Track *cur = mFirstTrack; 8766f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 8776f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber if (cur == mLastTrack) { 8786f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber delete cur; 8796f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber mFirstTrack = mLastTrack = NULL; 8806f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } else { 8816f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber while (cur && cur->next != mLastTrack) { 8826f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber cur = cur->next; 8836f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 8846f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber cur->next = NULL; 8856f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber delete mLastTrack; 8866f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber mLastTrack = cur; 8876f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 8886f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 8896f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber return OK; 8906f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber } 8916f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber 892bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber status_t err = verifyTrack(mLastTrack); 893bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 894bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (err != OK) { 895bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return err; 896bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 897bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (chunk_type == FOURCC('m', 'o', 'o', 'v')) { 898bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber mInitCheck = OK; 89920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 900dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (!mIsDrm) { 901dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return UNKNOWN_ERROR; // Return a dummy error. 902dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 903dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return OK; 904dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 90520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 90620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 90720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 90820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9090a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen case FOURCC('e', 'l', 's', 't'): 9100a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen { 9110a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen // See 14496-12 8.6.6 9120a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint8_t version; 9130a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (mDataSource->readAt(data_offset, &version, 1) < 1) { 9140a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9150a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9160a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9170a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint32_t entry_count; 9180a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt32(data_offset + 4, &entry_count)) { 9190a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9200a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9210a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9220a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (entry_count != 1) { 9230a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen // we only support a single entry at the moment, for gapless playback 9240a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen ALOGW("ignoring edit list with %d entries", entry_count); 925fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen } else if (mHeaderTimescale == 0) { 926210efd48ed21ca0084d9440f9a1db7d9878f8094Marco Nelissen ALOGW("ignoring edit list because timescale is 0"); 9270a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else { 9280a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen off64_t entriesoffset = data_offset + 8; 9290a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint64_t segment_duration; 9300a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t media_time; 9310a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9320a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (version == 1) { 9330a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt64(entriesoffset, &segment_duration) || 9340a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen !mDataSource->getUInt64(entriesoffset + 8, (uint64_t*)&media_time)) { 9350a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9360a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9370a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else if (version == 0) { 9380a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen uint32_t sd; 9390a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int32_t mt; 9400a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (!mDataSource->getUInt32(entriesoffset, &sd) || 9410a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen !mDataSource->getUInt32(entriesoffset + 4, (uint32_t*)&mt)) { 9420a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9430a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9440a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen segment_duration = sd; 9450a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen media_time = mt; 9460a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } else { 9470a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen return ERROR_IO; 9480a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9490a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 950fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint64_t halfscale = mHeaderTimescale / 2; 951fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen segment_duration = (segment_duration * 1000000 + halfscale)/ mHeaderTimescale; 952fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen media_time = (media_time * 1000000 + halfscale) / mHeaderTimescale; 9530a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9540a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t duration; 9550a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int32_t samplerate; 9560a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen if (mLastTrack->meta->findInt64(kKeyDuration, &duration) && 9570a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->findInt32(kKeySampleRate, &samplerate)) { 9580a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9590a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t delay = (media_time * samplerate + 500000) / 1000000; 9600a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); 9610a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 9620a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t paddingus = duration - (segment_duration + media_time); 963be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen if (paddingus < 0) { 964be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen // track duration from media header (which is what kKeyDuration is) might 965be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen // be slightly shorter than the segment duration, which would make the 966be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen // padding negative. Clamp to zero. 967be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen paddingus = 0; 968be1195a6d5e6dd4299da344cf9905dd6a12dc4efMarco Nelissen } 9690a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen int64_t paddingsamples = (paddingus * samplerate + 500000) / 1000000; 9700a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen mLastTrack->meta->setInt32(kKeyEncoderPadding, paddingsamples); 9710a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9720a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9730a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen *offset += chunk_size; 9740a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen break; 9750a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen } 9760a69bd281c76bf777ddb51d0c6c08519634b192dMarco Nelissen 977ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('f', 'r', 'm', 'a'): 978ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 97948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t original_fourcc; 980ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset, &original_fourcc, 4) < 4) { 981ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 982ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 983ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen original_fourcc = ntohl(original_fourcc); 984ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("read original format: %d", original_fourcc); 985ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(original_fourcc)); 98648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t num_channels = 0; 98748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t sample_rate = 0; 98848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (AdjustChannelsAndRate(original_fourcc, &num_channels, &sample_rate)) { 98948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setInt32(kKeyChannelCount, num_channels); 99048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setInt32(kKeySampleRate, sample_rate); 99148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 992ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 993ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 994ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 995ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 996ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('t', 'e', 'n', 'c'): 997ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 998ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (chunk_size < 32) { 999ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1000ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1001ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1002ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // tenc box contains 1 byte version, 3 byte flags, 3 byte default algorithm id, one byte 1003ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // default IV size, 16 bytes default KeyID 1004ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // (ISO 23001-7) 1005ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen char buf[4]; 1006ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(buf, 0, 4); 1007ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 4, buf + 1, 3) < 3) { 1008ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1009ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1010ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t defaultAlgorithmId = ntohl(*((int32_t*)buf)); 1011ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (defaultAlgorithmId > 1) { 1012ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only 0 (clear) and 1 (AES-128) are valid 1013ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1014ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1015ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1016ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(buf, 0, 4); 1017ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 7, buf + 3, 1) < 1) { 1018ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1019ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1020ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t defaultIVSize = ntohl(*((int32_t*)buf)); 1021ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1022ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((defaultAlgorithmId == 0 && defaultIVSize != 0) || 1023ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen (defaultAlgorithmId != 0 && defaultIVSize == 0)) { 1024ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only unencrypted data must have 0 IV size 1025ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1026ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } else if (defaultIVSize != 0 && 1027ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen defaultIVSize != 8 && 1028ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen defaultIVSize != 16) { 1029ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // only supported sizes are 0, 8 and 16 1030ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1031ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1032ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1033ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t defaultKeyId[16]; 1034ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1035ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 8, &defaultKeyId, 16) < 16) { 1036ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1037ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1038ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1039ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setInt32(kKeyCryptoMode, defaultAlgorithmId); 1040ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setInt32(kKeyCryptoDefaultIVSize, defaultIVSize); 1041ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setData(kKeyCryptoKey, 'tenc', defaultKeyId, 16); 1042ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 1043ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 1044ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1045ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 104620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('t', 'k', 'h', 'd'): 104720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1048ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber status_t err; 1049ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if ((err = parseTrackHeader(data_offset, chunk_data_size)) != OK) { 1050ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return err; 105120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 105220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 105320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 105420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 105520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 105620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1057ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('p', 's', 's', 'h'): 1058ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen { 1059ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen PsshInfo pssh; 1060ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1061ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 4, &pssh.uuid, 16) < 16) { 1062ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1063ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1064ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1065ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t psshdatalen = 0; 1066ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 20, &psshdatalen, 4) < 4) { 1067ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1068ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1069ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen pssh.datalen = ntohl(psshdatalen); 1070ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("pssh data size: %d", pssh.datalen); 1071ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (pssh.datalen + 20 > chunk_size) { 1072ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // pssh data length exceeds size of containing box 1073ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 1074ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1075ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1076ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen pssh.data = new uint8_t[pssh.datalen]; 1077ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("allocated pssh @ %p", pssh.data); 1078ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ssize_t requested = (ssize_t) pssh.datalen; 1079ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(data_offset + 24, pssh.data, requested) < requested) { 1080ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 1081ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1082ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mPssh.push_back(pssh); 1083ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 1084ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 1085ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 1086ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 1087ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 108820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'd', 'h', 'd'): 108920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 109020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 4) { 109120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 109220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 109320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 109420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t version; 109534769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 109620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, &version, sizeof(version)) 109720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(version)) { 109820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 109920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 110020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1101c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t timescale_offset; 110220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 110320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (version == 1) { 110420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset = data_offset + 4 + 16; 110520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else if (version == 0) { 110620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset = data_offset + 4 + 8; 110720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 110820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 110920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 111020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 111120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 111234769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 111320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset, ×cale, sizeof(timescale)) 111420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(timescale)) { 111520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 111620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 111720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 111820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->timescale = ntohl(timescale); 111920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 112005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t duration = 0; 112120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (version == 1) { 112234769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 112320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset + 4, &duration, sizeof(duration)) 112420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(duration)) { 112520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 112620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 112720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber duration = ntoh64(duration); 112820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 112905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t duration32; 113034769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 113120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber timescale_offset + 4, &duration32, sizeof(duration32)) 113220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber < (ssize_t)sizeof(duration32)) { 113320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 113420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 113505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // ffmpeg sets duration to -1, which is incorrect. 113605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (duration32 != 0xffffffff) { 113705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen duration = ntohl(duration32); 113805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 113920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 114048c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mLastTrack->meta->setInt64( 114148c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber kKeyDuration, (duration * 1000000) / mLastTrack->timescale); 114220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11437a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang uint8_t lang[2]; 11447a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang off64_t lang_offset; 11457a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang if (version == 1) { 11467a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_offset = timescale_offset + 4 + 8; 11477a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } else if (version == 0) { 11487a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_offset = timescale_offset + 4 + 4; 11497a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } else { 11507a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang return ERROR_IO; 11517a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 11527a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 11537a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang if (mDataSource->readAt(lang_offset, &lang, sizeof(lang)) 11547a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang < (ssize_t)sizeof(lang)) { 11557a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang return ERROR_IO; 11567a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 11577a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 11587a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // To get the ISO-639-2/T three character language code 11597a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // 1 bit pad followed by 3 5-bits characters. Each character 11607a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang // is packed as the difference between its ASCII value and 0x60. 11617a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang char lang_code[4]; 11627a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[0] = ((lang[0] >> 2) & 0x1f) + 0x60; 11637a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[1] = ((lang[0] & 0x3) << 3 | (lang[1] >> 5)) + 0x60; 11647a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[2] = (lang[1] & 0x1f) + 0x60; 11657a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang lang_code[3] = '\0'; 11667a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 11677a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang mLastTrack->meta->setCString( 11687a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang kKeyMediaLanguage, lang_code); 11697a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 117020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 117120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 117220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 117320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 117420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'd'): 117520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 117620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 8) { 117720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 117820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 117920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 118020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[8]; 1181c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size < (off64_t)sizeof(buffer)) { 1182bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1183bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 1184bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 118534769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 118620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, 8) < 8) { 118720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 118820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 118920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 119020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (U32_AT(buffer) != 0) { 119120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Should be version 0, flags 0. 119220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 119320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 119420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 119520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t entry_count = U32_AT(&buffer[4]); 119620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 119720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (entry_count > 1) { 11983b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For 3GPP timed text, there could be multiple tx3g boxes contain 11993b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // multiple text display formats. These formats will be used to 12003b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // display the timed text. 1201ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // For encrypted files, there may also be more than one entry. 12023b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang const char *mime; 12033b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1204ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP) && 1205ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen strcasecmp(mime, "application/octet-stream")) { 12063b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For now we only support a single type of media per track. 12073b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->skipTrack = true; 12083b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang *offset += chunk_size; 12093b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang break; 12103b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 121120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1212c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 121320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + 8; 121420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (uint32_t i = 0; i < entry_count; ++i) { 121520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 121620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 121720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 121820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 121920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1220bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1221bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1222bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1223bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 122420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 122520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 122620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 122720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'a'): 122848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen case FOURCC('e', 'n', 'c', 'a'): 122920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 'a', 'm', 'r'): 1230371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber case FOURCC('s', 'a', 'w', 'b'): 123120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 123220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[8 + 20]; 123320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < (ssize_t)sizeof(buffer)) { 123420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Basic AudioSampleEntry size. 123520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 123620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 123720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 123834769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 123920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) { 124020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 124120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 124220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 124320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t data_ref_index = U16_AT(&buffer[6]); 124448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t num_channels = U16_AT(&buffer[16]); 124520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 124681f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint16_t sample_size = U16_AT(&buffer[18]); 124781f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint32_t sample_rate = U32_AT(&buffer[24]) >> 16; 124881f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 124948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (chunk_type != FOURCC('e', 'n', 'c', 'a')) { 125048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // if the chunk type is enca, we'll get the type from the sinf/frma box later 125148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type)); 125248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen AdjustChannelsAndRate(chunk_type, &num_channels, &sample_rate); 125320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 125448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen ALOGV("*** coding='%s' %d channels, size %d, rate %d\n", 125581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber chunk, num_channels, sample_size, sample_rate); 125620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyChannelCount, num_channels); 125720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeySampleRate, sample_rate); 125820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1259c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 126020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + sizeof(buffer); 126120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 126220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 126320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 126420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 126520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 126620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1267bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1268bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1269bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1270bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 127120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 127220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 127320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 127420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('m', 'p', '4', 'v'): 1275ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('e', 'n', 'c', 'v'): 127620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', '2', '6', '3'): 1277e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('H', '2', '6', '3'): 1278e071b055cee301d71335519601474c62b10af411James Dong case FOURCC('h', '2', '6', '3'): 127920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', '1'): 128020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 12817be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber mHasVideo = true; 12827be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 128320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[78]; 128420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < (ssize_t)sizeof(buffer)) { 128520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Basic VideoSampleEntry size. 128620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 128720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 128820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 128934769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 129020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) { 129120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 129220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 129320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 129420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t data_ref_index = U16_AT(&buffer[6]); 129520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t width = U16_AT(&buffer[6 + 18]); 129620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint16_t height = U16_AT(&buffer[6 + 20]); 129720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1298ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // The video sample is not standard-compliant if it has invalid dimension. 1299a6256238d9015c42129fe43791968768fe501efaJames Dong // Use some default width and height value, and 1300a6256238d9015c42129fe43791968768fe501efaJames Dong // let the decoder figure out the actual width and height (and thus 1301a6256238d9015c42129fe43791968768fe501efaJames Dong // be prepared for INFO_FOMRAT_CHANGED event). 1302a6256238d9015c42129fe43791968768fe501efaJames Dong if (width == 0) width = 352; 1303a6256238d9015c42129fe43791968768fe501efaJames Dong if (height == 0) height = 288; 1304a6256238d9015c42129fe43791968768fe501efaJames Dong 1305134ee6a324c35f39e3576172e4eae4c6de6eb9dcAndreas Huber // printf("*** coding='%s' width=%d height=%d\n", 1306134ee6a324c35f39e3576172e4eae4c6de6eb9dcAndreas Huber // chunk, width, height); 130720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1308ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (chunk_type != FOURCC('e', 'n', 'c', 'v')) { 1309ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // if the chunk type is encv, we'll get the type from the sinf/frma box later 1310ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type)); 1311ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 131220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyWidth, width); 131320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setInt32(kKeyHeight, height); 131420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1315c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 131620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset = data_offset + sizeof(buffer); 131720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (*offset < stop_offset) { 131820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = parseChunk(offset, depth + 1); 131920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 132020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 132120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 132220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 1323bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1324bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1325bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1326bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 132720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 132820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 132920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 133020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'c', 'o'): 133120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('c', 'o', '6', '4'): 133220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 133320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 133420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setChunkOffsetParams( 133520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_type, data_offset, chunk_data_size); 133620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 133720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 133820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 133920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 134020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 134120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 134220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 134320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 134420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 134520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'c'): 134620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 134720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 134820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSampleToChunkParams( 134920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 135020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 135120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 135220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 135320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 135420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 135520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 135620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 135720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 135820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 135920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 'z'): 136020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 'z', '2'): 136120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 136220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 136320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSampleSizeParams( 136420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber chunk_type, data_offset, chunk_data_size); 136520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 136620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 136720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 136820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 136920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1370738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber size_t max_size; 137149110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber err = mLastTrack->sampleTable->getMaxSampleSize(&max_size); 137249110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber 137349110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber if (err != OK) { 137449110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber return err; 137549110ce0ed95918c85eebe6e09e900b905b37e23Andreas Huber } 1376738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber 137705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (max_size != 0) { 137805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Assume that a given buffer only contains at most 10 chunks, 137905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // each chunk originally prefixed with a 2 byte length will 138005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // have a 4 byte header (0x00 0x00 0x00 0x01) after conversion, 138105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // and thus will grow by 2 bytes per chunk. 138205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size + 10 * 2); 138305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 138405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // No size was specified. Pick a conservatively large size. 138505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t width, height; 1386f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar if (!mLastTrack->meta->findInt32(kKeyWidth, &width) || 1387f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar !mLastTrack->meta->findInt32(kKeyHeight, &height)) { 138805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("No width or height, assuming worst case 1080p"); 1389f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar width = 1920; 1390f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar height = 1080; 139105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 1392f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar 13934256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen const char *mime; 13944256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1395f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar if (!strcmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 1396f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // AVC requires compression ratio of at least 2, and uses 1397f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // macroblocks 1398f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = ((width + 15) / 16) * ((height + 15) / 16) * 192; 1399f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar } else { 1400f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // For all other formats there is no minimum compression 1401f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar // ratio. Use compression ratio of 1. 1402f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar max_size = width * height * 3 / 2; 1403f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar } 1404f40cde132d14a260f4f7e08ae2bf29d8c55848aeLajos Molnar mLastTrack->meta->setInt32(kKeyMaxInputSize, max_size); 140505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 140620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 1407113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 14084256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // NOTE: setting another piece of metadata invalidates any pointers (such as the 14094256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen // mimetype) previously obtained, so don't cache them. 14104256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen const char *mime; 14114256c970ad90bc555eccfd585048669bb69bca1cMarco Nelissen CHECK(mLastTrack->meta->findCString(kKeyMIMEType, &mime)); 1412113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong // Calculate average frame rate. 1413113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (!strncasecmp("video/", mime, 6)) { 1414113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong size_t nSamples = mLastTrack->sampleTable->countSamples(); 1415113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int64_t durationUs; 1416113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (mLastTrack->meta->findInt64(kKeyDuration, &durationUs)) { 1417113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong if (durationUs > 0) { 1418113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong int32_t frameRate = (nSamples * 1000000LL + 1419113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong (durationUs >> 1)) / durationUs; 1420113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong mLastTrack->meta->setInt32(kKeyFrameRate, frameRate); 1421113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1422113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1423113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong } 1424113a95462d2018c62b9e6bc86e7f643ff46f29cfJames Dong 142520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 142620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 142720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 142820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 't', 's'): 142920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 143020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 143120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setTimeToSampleParams( 143220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 143320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 143420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 143520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 143620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 143720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 143820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 143920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 144020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 144120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14424931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber case FOURCC('c', 't', 't', 's'): 14434931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber { 14444931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber status_t err = 14454931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber mLastTrack->sampleTable->setCompositionTimeToSampleParams( 14464931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber data_offset, chunk_data_size); 14474931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 14484931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber if (err != OK) { 14494931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber return err; 14504931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 14514931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 14524931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber *offset += chunk_size; 14534931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber break; 14544931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber } 14554931bb5259d10c1fa01e7405fb7aaef58a8ffb22Andreas Huber 145620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('s', 't', 's', 's'): 145720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 145820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err = 145920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->sampleTable->setSyncSampleParams( 146020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, chunk_data_size); 146120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 146220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 146320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 146420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 146520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 146620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 146720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 146820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 146920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14704948818cb91176df74c972ac27b2f392b5d148bcJames Dong // @xyz 14714948818cb91176df74c972ac27b2f392b5d148bcJames Dong case FOURCC('\xA9', 'x', 'y', 'z'): 14724948818cb91176df74c972ac27b2f392b5d148bcJames Dong { 14734948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Best case the total data length inside "@xyz" box 14744948818cb91176df74c972ac27b2f392b5d148bcJames Dong // would be 8, for instance "@xyz" + "\x00\x04\x15\xc7" + "0+0/", 14754948818cb91176df74c972ac27b2f392b5d148bcJames Dong // where "\x00\x04" is the text string length with value = 4, 14764948818cb91176df74c972ac27b2f392b5d148bcJames Dong // "\0x15\xc7" is the language code = en, and "0+0" is a 14774948818cb91176df74c972ac27b2f392b5d148bcJames Dong // location (string) value with longitude = 0 and latitude = 0. 14784948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (chunk_data_size < 8) { 14794948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 14804948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 14814948818cb91176df74c972ac27b2f392b5d148bcJames Dong 14824948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Worst case the location string length would be 18, 14834948818cb91176df74c972ac27b2f392b5d148bcJames Dong // for instance +90.0000-180.0000, without the trailing "/" and 14844948818cb91176df74c972ac27b2f392b5d148bcJames Dong // the string length + language code. 14854948818cb91176df74c972ac27b2f392b5d148bcJames Dong char buffer[18]; 14864948818cb91176df74c972ac27b2f392b5d148bcJames Dong 14874948818cb91176df74c972ac27b2f392b5d148bcJames Dong // Substracting 5 from the data size is because the text string length + 14884948818cb91176df74c972ac27b2f392b5d148bcJames Dong // language code takes 4 bytes, and the trailing slash "/" takes 1 byte. 14894948818cb91176df74c972ac27b2f392b5d148bcJames Dong off64_t location_length = chunk_data_size - 5; 14904948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (location_length >= (off64_t) sizeof(buffer)) { 14914948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_MALFORMED; 14924948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 14934948818cb91176df74c972ac27b2f392b5d148bcJames Dong 14944948818cb91176df74c972ac27b2f392b5d148bcJames Dong if (mDataSource->readAt( 14954948818cb91176df74c972ac27b2f392b5d148bcJames Dong data_offset + 4, buffer, location_length) < location_length) { 14964948818cb91176df74c972ac27b2f392b5d148bcJames Dong return ERROR_IO; 14974948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 14984948818cb91176df74c972ac27b2f392b5d148bcJames Dong 14994948818cb91176df74c972ac27b2f392b5d148bcJames Dong buffer[location_length] = '\0'; 15004948818cb91176df74c972ac27b2f392b5d148bcJames Dong mFileMetaData->setCString(kKeyLocation, buffer); 15014948818cb91176df74c972ac27b2f392b5d148bcJames Dong *offset += chunk_size; 15024948818cb91176df74c972ac27b2f392b5d148bcJames Dong break; 15034948818cb91176df74c972ac27b2f392b5d148bcJames Dong } 15044948818cb91176df74c972ac27b2f392b5d148bcJames Dong 150520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('e', 's', 'd', 's'): 150620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 150720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (chunk_data_size < 4) { 150820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 150920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 151020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 151120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t buffer[256]; 1512c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size > (off64_t)sizeof(buffer)) { 151320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_BUFFER_TOO_SMALL; 151420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 151520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 151634769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 151720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber data_offset, buffer, chunk_data_size) < chunk_data_size) { 151820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 151920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 152020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 152120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (U32_AT(buffer) != 0) { 152220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Should be version 0, flags 0. 152320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_MALFORMED; 152420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 152520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 152620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 152720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber kKeyESDS, kTypeESDS, &buffer[4], chunk_data_size - 4); 152820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1529ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (mPath.size() >= 2 1530ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber && mPath[mPath.size() - 2] == FOURCC('m', 'p', '4', 'a')) { 1531ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // Information from the ESDS must be relied on for proper 1532ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // setup of sample rate and channel count for MPEG4 Audio. 1533ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // The generic header appears to only contain generic 1534ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber // information... 1535ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1536ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t err = updateAudioTrackInfoFromESDS_MPEG4Audio( 1537ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber &buffer[4], chunk_data_size - 4); 1538ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 1539ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (err != OK) { 1540ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return err; 1541ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1542ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 1543ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 154420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 154520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 154620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 154720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 154820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber case FOURCC('a', 'v', 'c', 'C'): 154920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 1550d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson sp<ABuffer> buffer = new ABuffer(chunk_data_size); 155120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 155234769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (mDataSource->readAt( 1553d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson data_offset, buffer->data(), chunk_data_size) < chunk_data_size) { 155420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_IO; 155520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 155620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 155720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mLastTrack->meta->setData( 1558d2f6b04578432fa4e27bacf860b78bf29a099b73Jan Olof Svensson kKeyAVCC, kTypeAVCC, buffer->data(), chunk_data_size); 155920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 156020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 156120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 156220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 156320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1564244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong case FOURCC('d', '2', '6', '3'): 1565244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong { 156617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong /* 156717e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * d263 contains a fixed 7 bytes part: 156817e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * vendor - 4 bytes 156917e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * version - 1 byte 157017e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * level - 1 byte 157117e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * profile - 1 byte 157217e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * optionally, "d263" box itself may contain a 16-byte 157317e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * bit rate box (bitr) 157417e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * average bit rate - 4 bytes 157517e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong * max bit rate - 4 bytes 157617e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong */ 157717e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong char buffer[23]; 157817e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong if (chunk_data_size != 7 && 157917e89b555a41aa591f1a01ecd51a7cb5a7bcfc0eJames Dong chunk_data_size != 23) { 158029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Incorrect D263 box size %lld", chunk_data_size); 1581244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_MALFORMED; 1582244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1583244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1584244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong if (mDataSource->readAt( 1585244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong data_offset, buffer, chunk_data_size) < chunk_data_size) { 1586244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong return ERROR_IO; 1587244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1588244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1589244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong mLastTrack->meta->setData(kKeyD263, kTypeD263, buffer, chunk_data_size); 1590244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 1591244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong *offset += chunk_size; 1592244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong break; 1593244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong } 1594244ba87d20aeb29c9cad727820fa1e803ec3643cJames Dong 159572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'e', 't', 'a'): 159672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 159772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint8_t buffer[4]; 1598c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (chunk_data_size < (off64_t)sizeof(buffer)) { 1599bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1600bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 1601bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 160272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 160372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber data_offset, buffer, 4) < 4) { 160472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 160572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 160672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 160772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (U32_AT(buffer) != 0) { 160872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber // Should be version 0, flags 0. 1609ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber 1610ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber // If it's not, let's assume this is one of those 1611ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber // apparently malformed chunks that don't have flags 1612ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber // and completely different semantics than what's 1613ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber // in the MPEG4 specs and skip it. 1614ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber *offset += chunk_size; 1615ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber return OK; 161672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 161772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1618c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t stop_offset = *offset + chunk_size; 161972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber *offset = data_offset + sizeof(buffer); 162072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber while (*offset < stop_offset) { 162172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseChunk(offset, depth + 1); 162272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 162372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 162472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 162572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 1626bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 1627bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (*offset != stop_offset) { 1628bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 1629bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 163072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 163172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 163272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 16335d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 16345d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 163572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('d', 'a', 't', 'a'): 163672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 163772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mPath.size() == 6 && underMetaDataPath(mPath)) { 163872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber status_t err = parseMetaData(data_offset, chunk_data_size); 163972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 164072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (err != OK) { 164172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return err; 164272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 164372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 164472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 164572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber *offset += chunk_size; 164672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 164772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 164872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 164972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('m', 'v', 'h', 'd'): 165072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 1651fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen if (chunk_data_size < 24) { 165272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 165372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 165472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1655fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint8_t header[24]; 165672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 165772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber data_offset, header, sizeof(header)) 165872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber < (ssize_t)sizeof(header)) { 165972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 166072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 166172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1662fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint64_t creationTime; 166372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (header[0] == 1) { 166472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U64_AT(&header[4]); 1665fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[20]); 1666bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (header[0] != 0) { 1667bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 166872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 166972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber creationTime = U32_AT(&header[4]); 1670fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen mHeaderTimescale = U32_AT(&header[12]); 167172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 167272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 167372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber String8 s; 167472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber convertTimeToDate(creationTime, &s); 167572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 167672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyDate, s.string()); 167772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 167872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber *offset += chunk_size; 167972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 168072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 168172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 1682dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang case FOURCC('m', 'd', 'a', 't'): 1683dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang { 1684ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("mdat chunk, drm: %d", mIsDrm); 1685dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (!mIsDrm) { 1686dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *offset += chunk_size; 1687dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang break; 1688dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1689dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1690dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (chunk_size < 8) { 1691dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 1692dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1693dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 1694dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return parseDrmSINF(offset, data_offset); 1695dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 1696dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 16973b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang case FOURCC('h', 'd', 'l', 'r'): 16983b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang { 16993b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t buffer; 17003b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (mDataSource->readAt( 17013b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang data_offset + 8, &buffer, 4) < 4) { 17023b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 17033b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17043b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17053b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type = ntohl(buffer); 17063b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang // For the 3GPP file format, the handler-type within the 'hdlr' box 1707e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // shall be 'text'. We also want to support 'sbtl' handler type 1708e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang // for a practical reason as various MPEG4 containers use it. 1709e26dd87f87be5016777bf92e498a26d545d3926aInsun Kang if (type == FOURCC('t', 'e', 'x', 't') || type == FOURCC('s', 'b', 't', 'l')) { 17103b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_TEXT_3GPP); 17113b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17123b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17133b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang *offset += chunk_size; 17143b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang break; 17153b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17163b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17177a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang case FOURCC('t', 'x', '3', 'g'): 17187a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang { 17193b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint32_t type; 17203b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang const void *data; 17213b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size_t size = 0; 17223b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (!mLastTrack->meta->findData( 17233b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, &type, &data, &size)) { 17243b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang size = 0; 17253b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17263b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17273b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang uint8_t *buffer = new uint8_t[size + chunk_size]; 17283b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17293b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if (size > 0) { 17303b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang memcpy(buffer, data, size); 17313b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17323b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17333b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang if ((size_t)(mDataSource->readAt(*offset, buffer + size, chunk_size)) 17343b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang < chunk_size) { 17353b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 17363b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang buffer = NULL; 17373b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17383b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang return ERROR_IO; 17393b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang } 17403b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17413b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang mLastTrack->meta->setData( 17423b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang kKeyTextFormatData, 0, buffer, size + chunk_size); 17433b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang 17443b573f7bf1c5736d500e39013b8d32478a1429e6Gloria Wang delete[] buffer; 17457a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 17467a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang *offset += chunk_size; 17477a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang break; 17487a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang } 17497a1e3e81264189e23a1db2b174e1b5a5d4c7d1c3Gloria Wang 1750515e855eae78aa495da58356486aaa666cb57fd1James Dong case FOURCC('c', 'o', 'v', 'r'): 1751515e855eae78aa495da58356486aaa666cb57fd1James Dong { 1752515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mFileMetaData != NULL) { 17533856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("chunk_data_size = %lld and data_offset = %lld", 1754515e855eae78aa495da58356486aaa666cb57fd1James Dong chunk_data_size, data_offset); 17551552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin sp<ABuffer> buffer = new ABuffer(chunk_data_size + 1); 1756515e855eae78aa495da58356486aaa666cb57fd1James Dong if (mDataSource->readAt( 17571552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin data_offset, buffer->data(), chunk_data_size) != (ssize_t)chunk_data_size) { 1758515e855eae78aa495da58356486aaa666cb57fd1James Dong return ERROR_IO; 1759515e855eae78aa495da58356486aaa666cb57fd1James Dong } 1760515e855eae78aa495da58356486aaa666cb57fd1James Dong const int kSkipBytesOfDataBox = 16; 1761515e855eae78aa495da58356486aaa666cb57fd1James Dong mFileMetaData->setData( 1762515e855eae78aa495da58356486aaa666cb57fd1James Dong kKeyAlbumArt, MetaData::TYPE_NONE, 17631552217cca4d949bba4b2cf6194a0936bbb10fa4Jens Gulin buffer->data() + kSkipBytesOfDataBox, chunk_data_size - kSkipBytesOfDataBox); 1764515e855eae78aa495da58356486aaa666cb57fd1James Dong } 1765515e855eae78aa495da58356486aaa666cb57fd1James Dong 1766515e855eae78aa495da58356486aaa666cb57fd1James Dong *offset += chunk_size; 1767515e855eae78aa495da58356486aaa666cb57fd1James Dong break; 1768515e855eae78aa495da58356486aaa666cb57fd1James Dong } 1769515e855eae78aa495da58356486aaa666cb57fd1James Dong 17705d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 17715d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 17725d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 17735d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 17745d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 17755d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen *offset += chunk_size; 17765d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 17775d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 17785d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen 177905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('s', 'i', 'd', 'x'): 178005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen { 178105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseSegmentIndex(data_offset, chunk_data_size); 178205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 178305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return UNKNOWN_ERROR; // stop parsing after sidx 178405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 178505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 178620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber default: 178720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber { 178820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *offset += chunk_size; 178920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber break; 179020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 179120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 179220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 179320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 179420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 179520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 179605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Extractor::parseSegmentIndex(off64_t offset, size_t size) { 179705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseSegmentIndex"); 179805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 179905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 12) { 180005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 180105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 180205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 180305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 180405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 180505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 180605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 180705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 180805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t version = flags >> 24; 180905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen flags &= 0xffffff; 181005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 181105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx version %d", version); 181205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 181305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t referenceId; 181405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &referenceId)) { 181505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 181605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 181705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 181805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t timeScale; 181905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 8, &timeScale)) { 182005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 182105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 182205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx refid/timescale: %d/%d", referenceId, timeScale); 182305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 182405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t earliestPresentationTime; 182505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t firstOffset; 182605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 182705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 182805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 12; 182905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 183005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (version == 0) { 183105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 183205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 183305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 183405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t tmp; 183505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 183605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 183705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 183805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen earliestPresentationTime = tmp; 183905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &tmp)) { 184005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 184105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 184205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen firstOffset = tmp; 184305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 184405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 184505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 184605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 16) { 184705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 184805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 184905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &earliestPresentationTime)) { 185005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 185105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 185205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset + 8, &firstOffset)) { 185305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 185405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 185505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 16; 185605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 16; 185705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 185805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("sidx pres/off: %Ld/%Ld", earliestPresentationTime, firstOffset); 185905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 186005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 186105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 186205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 186305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 186405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint16_t referenceCount; 186505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt16(offset + 2, &referenceCount)) { 186605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 186705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 186805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 186905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 187005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("refcount: %d", referenceCount); 187105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 187205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < referenceCount * 12) { 187305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 187405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 187505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 187605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t total_duration = 0; 187705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (unsigned int i = 0; i < referenceCount; i++) { 187805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t d1, d2, d3; 187905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 188005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &d1) || // size 188105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 4, &d2) || // duration 188205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen !mDataSource->getUInt32(offset + 8, &d3)) { // flags 188305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 188405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 188505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 188605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (d1 & 0x80000000) { 188705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGW("sub-sidx boxes not supported yet"); 188805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 188905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool sap = d3 & 0x80000000; 189005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool saptype = d3 >> 28; 189105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!sap || saptype > 2) { 189205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGW("not a stream access point, or unsupported type"); 189305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 189405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen total_duration += d2; 189505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 12; 189605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV(" item %d, %08x %08x %08x", i, d1, d2, d3); 189705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen SidxEntry se; 189805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mSize = d1 & 0x7fffffff; 189905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen se.mDurationUs = 1000000LL * d2 / timeScale; 190005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSidxEntries.add(se); 190105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 190205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 190305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSidxDuration = total_duration * 1000000 / timeScale; 190405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("duration: %lld", mSidxDuration); 190505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 190605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t metaDuration; 190705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mLastTrack->meta->findInt64(kKeyDuration, &metaDuration) || metaDuration == 0) { 190805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mLastTrack->meta->setInt64(kKeyDuration, mSidxDuration); 190905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 191005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 191105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 191205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 191305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 191405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 1915ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huberstatus_t MPEG4Extractor::parseTrackHeader( 1916c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t data_offset, off64_t data_size) { 1917ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (data_size < 4) { 1918ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 1919ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1920ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1921ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t version; 1922ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt(data_offset, &version, 1) < 1) { 1923ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 1924ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1925ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1926ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t dynSize = (version == 1) ? 36 : 24; 1927ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1928ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint8_t buffer[36 + 60]; 1929ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1930c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (data_size != (off64_t)dynSize + 60) { 1931ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_MALFORMED; 1932ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1933ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1934ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (mDataSource->readAt( 1935ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber data_offset, buffer, data_size) < (ssize_t)data_size) { 1936ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return ERROR_IO; 1937ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1938ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1939ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint64_t ctime, mtime, duration; 1940ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t id; 1941ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1942ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (version == 1) { 1943ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U64_AT(&buffer[4]); 1944ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U64_AT(&buffer[12]); 1945ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[20]); 1946ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U64_AT(&buffer[28]); 194704022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else if (version == 0) { 1948ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber ctime = U32_AT(&buffer[4]); 1949ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mtime = U32_AT(&buffer[8]); 1950ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber id = U32_AT(&buffer[12]); 1951ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber duration = U32_AT(&buffer[20]); 195204022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen } else { 195304022b34d2b97938b0926ab62e6c283418da3bbaMarco Nelissen return ERROR_UNSUPPORTED; 1954ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1955ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1956ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyTrackID, id); 1957ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1958ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber size_t matrixOffset = dynSize + 16; 1959ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a00 = U32_AT(&buffer[matrixOffset]); 1960ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a01 = U32_AT(&buffer[matrixOffset + 4]); 1961ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t dx = U32_AT(&buffer[matrixOffset + 8]); 1962ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a10 = U32_AT(&buffer[matrixOffset + 12]); 1963ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t a11 = U32_AT(&buffer[matrixOffset + 16]); 1964ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber int32_t dy = U32_AT(&buffer[matrixOffset + 20]); 1965ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1966ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#if 0 1967df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("x' = %.2f * x + %.2f * y + %.2f", 1968ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a00 / 65536.0f, a01 / 65536.0f, dx / 65536.0f); 1969df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("y' = %.2f * x + %.2f * y + %.2f", 1970ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber a10 / 65536.0f, a11 / 65536.0f, dy / 65536.0f); 1971ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber#endif 1972ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1973ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t rotationDegrees; 1974ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1975ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber static const int32_t kFixedOne = 0x10000; 1976ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (a00 == kFixedOne && a01 == 0 && a10 == 0 && a11 == kFixedOne) { 1977ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber // Identity, no rotation 1978ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 1979ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == kFixedOne && a10 == -kFixedOne && a11 == 0) { 1980ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 90; 1981ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == 0 && a01 == -kFixedOne && a10 == kFixedOne && a11 == 0) { 1982ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 270; 1983ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else if (a00 == -kFixedOne && a01 == 0 && a10 == 0 && a11 == -kFixedOne) { 1984ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 180; 1985ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } else { 19865ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("We only support 0,90,180,270 degree rotation matrices"); 1987ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber rotationDegrees = 0; 1988ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1989ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1990ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber if (rotationDegrees != 0) { 1991ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber mLastTrack->meta->setInt32(kKeyRotation, rotationDegrees); 1992ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber } 1993ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 1994b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // Handle presentation display size, which could be different 1995b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong // from the image size indicated by kKeyWidth and kKeyHeight. 1996ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t width = U32_AT(&buffer[dynSize + 52]); 1997ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber uint32_t height = U32_AT(&buffer[dynSize + 56]); 1998b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayWidth, width >> 16); 1999b45c01c2b8588ff431b511151666a55a39f0a6aeJames Dong mLastTrack->meta->setInt32(kKeyDisplayHeight, height >> 16); 2000ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2001ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber return OK; 2002ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber} 2003ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 2004c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t MPEG4Extractor::parseMetaData(off64_t offset, size_t size) { 200572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size < 4) { 200672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_MALFORMED; 200772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 200872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 200972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint8_t *buffer = new uint8_t[size + 1]; 201072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (mDataSource->readAt( 201172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber offset, buffer, size) != (ssize_t)size) { 201272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 201372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 201472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 201572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return ERROR_IO; 201672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 201772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 201872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t flags = U32_AT(buffer); 201972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 202072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber uint32_t metadataKey = 0; 20215d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen char chunk[5]; 20225d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen MakeFourCCString(mPath[4], chunk); 20235d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen ALOGV("meta: %s @ %lld", chunk, offset); 202472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber switch (mPath[4]) { 202572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'a', 'l', 'b'): 202672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 202772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbum; 202872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 202972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 203072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'A', 'R', 'T'): 203172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 203272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyArtist; 203372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 203472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 203566ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen case FOURCC('a', 'A', 'R', 'T'): 203666ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen { 203766ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen metadataKey = kKeyAlbumArtist; 203866ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen break; 203966ac4df65516ebfd0e500bfca75dc4b5ef8d674eMarco Nelissen } 204072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'd', 'a', 'y'): 204172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 204272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyYear; 204372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 204472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 204572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'n', 'a', 'm'): 204672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 204772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyTitle; 204872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 204972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 205072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC(0xa9, 'w', 'r', 't'): 205172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 205272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyWriter; 205372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 205472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 205572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('c', 'o', 'v', 'r'): 205672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 205772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyAlbumArt; 205872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 205972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 206072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('g', 'n', 'r', 'e'): 206172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 206272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey = kKeyGenre; 206372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 206472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 206526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC(0xa9, 'g', 'e', 'n'): 206626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 206726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey = kKeyGenre; 206826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 206926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 207011f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen case FOURCC('c', 'p', 'i', 'l'): 207111f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen { 207211f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen if (size == 9 && flags == 21) { 207311f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen char tmp[16]; 207411f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen sprintf(tmp, "%d", 207511f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen (int)buffer[size - 1]); 207611f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen 207711f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen mFileMetaData->setCString(kKeyCompilation, tmp); 207811f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 207911f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen break; 208011f8109ad8646d3acd9a0987613229cde59d52c1Marco Nelissen } 208172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber case FOURCC('t', 'r', 'k', 'n'): 208272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber { 208372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size == 16 && flags == 0) { 208472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char tmp[16]; 2085afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTrack = (uint16_t*)&buffer[10]; 2086afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalTracks = (uint16_t*)&buffer[12]; 2087afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pTrack), ntohs(*pTotalTracks)); 208872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 208972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(kKeyCDTrackNumber, tmp); 209072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 209172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 209272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 209326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen case FOURCC('d', 'i', 's', 'k'): 209426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen { 2095afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik if ((size == 14 || size == 16) && flags == 0) { 209626bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen char tmp[16]; 2097afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pDisc = (uint16_t*)&buffer[10]; 2098afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik uint16_t* pTotalDiscs = (uint16_t*)&buffer[12]; 2099afa28a823724a2f76e1a53b15358533388003666Andreas Lillvik sprintf(tmp, "%d/%d", ntohs(*pDisc), ntohs(*pTotalDiscs)); 210026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 210126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString(kKeyDiscNumber, tmp); 210226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 210326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen break; 210426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 21055d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('-', '-', '-', '-'): 21065d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen { 21075d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen buffer[size] = '\0'; 21085d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen switch (mPath[5]) { 21095d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('m', 'e', 'a', 'n'): 21105d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.setTo((const char *)buffer + 4); 21115d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 21125d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('n', 'a', 'm', 'e'): 21135d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.setTo((const char *)buffer + 4); 21145d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 21155d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen case FOURCC('d', 'a', 't', 'a'): 21165d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.setTo((const char *)buffer + 8); 21175d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 21185d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 21198c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 21208c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // Once we have a set of mean/name/data info, go ahead and process 21218c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // it to see if its something we are interested in. Whether or not 21228c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // were are interested in the specific tag, make sure to clear out 21238c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // the set so we can be ready to process another tuple should one 21248c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman // show up later in the file. 21258c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if ((mLastCommentMean.length() != 0) && 21268c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentName.length() != 0) && 21278c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman (mLastCommentData.length() != 0)) { 21288c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 21298c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (mLastCommentMean == "com.apple.iTunes" 21308c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman && mLastCommentName == "iTunSMPB") { 21318c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman int32_t delay, padding; 21328c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman if (sscanf(mLastCommentData, 21338c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman " %*x %x %x %*x", &delay, &padding) == 2) { 21348c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); 21358c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman mLastTrack->meta->setInt32(kKeyEncoderPadding, padding); 21368c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman } 21375d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 21388c7d147cca17961a71209c105a2676a552d3d69fJohn Grossman 21395d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentMean.clear(); 21405d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentName.clear(); 21415d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen mLastCommentData.clear(); 21425d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 21435d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen break; 21445d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen } 214526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 214672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber default: 214772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber break; 214872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 214972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 215072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (size >= 8 && metadataKey) { 215172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (metadataKey == kKeyAlbumArt) { 215272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setData( 215372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber kKeyAlbumArt, MetaData::TYPE_NONE, 215472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer + 8, size - 8); 215572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else if (metadataKey == kKeyGenre) { 215672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber if (flags == 0) { 215726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // uint8_t genre code, iTunes genre codes are 215826bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // the standard id3 codes, except they start 215926bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // at 1 instead of 0 (e.g. Pop is 14, not 13) 216026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // We use standard id3 numbering, so subtract 1. 216126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen int genrecode = (int)buffer[size - 1]; 216226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode--; 216326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen if (genrecode < 0) { 216426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen genrecode = 255; // reserved for 'unknown genre' 216526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } 216672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber char genre[10]; 216726bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen sprintf(genre, "%d", genrecode); 216872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 216972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString(metadataKey, genre); 217026bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen } else if (flags == 1) { 217126bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen // custom genre string 217226bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen buffer[size] = '\0'; 217326bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen 217426bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen mFileMetaData->setCString( 217526bae54d7a3d04215eba34c62c349f1be6ab1493Marco Nelissen metadataKey, (const char *)buffer + 8); 217672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 217772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } else { 217872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer[size] = '\0'; 217972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 218072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber mFileMetaData->setCString( 218172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber metadataKey, (const char *)buffer + 8); 218272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 218372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber } 218472b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 218572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber delete[] buffer; 218672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber buffer = NULL; 218772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 218872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber return OK; 218972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber} 219072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 2191693d271e62a3726689ff68f4505ba49228eb94b2Andreas Hubersp<MediaSource> MPEG4Extractor::getTrack(size_t index) { 219220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t err; 219320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if ((err = readMetaData()) != OK) { 2194693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 219520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 219620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 219720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = mFirstTrack; 219820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber while (index > 0) { 219920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (track == NULL) { 2200693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return NULL; 220120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 220220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 220320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber track = track->next; 220420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber --index; 220520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 220620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2207371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber if (track == NULL) { 2208371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber return NULL; 2209371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber } 2210371e243b6638e74e577d56a24eee7d5a97e36d2bAndreas Huber 2211ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("getTrack called, pssh: %d", mPssh.size()); 2212ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2213693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return new MPEG4Source( 221405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen track->meta, mDataSource, track->timescale, track->sampleTable, 221505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSidxEntries, mMoofOffset); 221620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 221720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2218bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber// static 2219bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huberstatus_t MPEG4Extractor::verifyTrack(Track *track) { 2220bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const char *mime; 2221bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber CHECK(track->meta->findCString(kKeyMIMEType, &mime)); 2222bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2223bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber uint32_t type; 2224bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber const void *data; 2225bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber size_t size; 2226bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 2227bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyAVCC, &type, &data, &size) 2228bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeAVCC) { 2229bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2230bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2231bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) 2232bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { 2233bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber if (!track->meta->findData(kKeyESDS, &type, &data, &size) 2234bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber || type != kTypeESDS) { 2235bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return ERROR_MALFORMED; 2236bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2237bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber } 2238bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2239169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber if (!track->sampleTable->isValid()) { 2240169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber // Make sure we have all the metadata we need. 2241169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber return ERROR_MALFORMED; 2242169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber } 2243169c286ed166499c5099d2b336967e0bf3d25551Andreas Huber 2244bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber return OK; 2245bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber} 2246bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 2247ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huberstatus_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( 2248ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size) { 2249ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber ESDS esds(esds_data, esds_size); 225081f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 225181f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber uint8_t objectTypeIndication; 225281f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (esds.getObjectTypeIndication(&objectTypeIndication) != OK) { 225381f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return ERROR_MALFORMED; 225481f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 225581f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 225681f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber if (objectTypeIndication == 0xe1) { 225781f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber // This isn't MPEG4 audio at all, it's QCELP 14k... 225881f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber mLastTrack->meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_QCELP); 225981f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber return OK; 226081f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber } 226181f82c32459029bf0744e28c73f95a7f18cab5acAndreas Huber 2262633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong if (objectTypeIndication == 0x6b) { 2263633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // The media subtype is MP3 audio 2264633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // Our software MP3 audio decoder may not be able to handle 2265633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong // packetized MP3 audio; for now, lets just return ERROR_UNSUPPORTED 226629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("MP3 track in MP4/3GPP file is not supported"); 2267633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong return ERROR_UNSUPPORTED; 2268633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong } 2269633b4c8cc1f41370576aa43e6c5a70e4865a36dfJames Dong 2270ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const uint8_t *csd; 2271ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber size_t csd_size; 2272ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (esds.getCodecSpecificInfo( 2273ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber (const void **)&csd, &csd_size) != OK) { 2274ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2275ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2276ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2277ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber#if 0 2278ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber printf("ESD of size %d\n", csd_size); 2279ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber hexdump(csd, csd_size); 2280ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber#endif 2281ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2282a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber if (csd_size == 0) { 2283a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // There's no further information, i.e. no codec specific data 2284a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // Let's assume that the information provided in the mpeg4 headers 2285a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber // is accurate and hope for the best. 2286a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2287a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber return OK; 2288a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber } 2289a65ccbff6e8eb301c0d325b2ec080aeda8df2024Andreas Huber 2290ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (csd_size < 2) { 2291ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2292ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2293ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 22943c836e7882e88de42e0e600627de433b61e78621Eric Laurent static uint32_t kSamplingRate[] = { 22953c836e7882e88de42e0e600627de433b61e78621Eric Laurent 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 22963c836e7882e88de42e0e600627de433b61e78621Eric Laurent 16000, 12000, 11025, 8000, 7350 22973c836e7882e88de42e0e600627de433b61e78621Eric Laurent }; 22983c836e7882e88de42e0e600627de433b61e78621Eric Laurent 2299aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke ABitReader br(csd, csd_size); 2300aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t objectType = br.getBits(5); 2301ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2302aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke if (objectType == 31) { // AAC-ELD => additional 6 bits 2303aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke objectType = 32 + br.getBits(6); 2304ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2305ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2306f590f948e6c0fe3c54008dd7802fd513f127792dEric Laurent //keep AOT type 2307f590f948e6c0fe3c54008dd7802fd513f127792dEric Laurent mLastTrack->meta->setInt32(kKeyAACAOT, objectType); 2308f590f948e6c0fe3c54008dd7802fd513f127792dEric Laurent 2309aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke uint32_t freqIndex = br.getBits(4); 2310aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke 2311ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t sampleRate = 0; 2312ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t numChannels = 0; 2313ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (freqIndex == 15) { 2314ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (csd_size < 5) { 2315ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_MALFORMED; 2316ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2317aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke sampleRate = br.getBits(24); 2318aeb8fd460ed87d032b3fb8bb61e21eb542ce0f5bDave Burke numChannels = br.getBits(4); 2319ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } else { 2320595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen numChannels = br.getBits(4); 23213c836e7882e88de42e0e600627de433b61e78621Eric Laurent 23223c836e7882e88de42e0e600627de433b61e78621Eric Laurent if (freqIndex == 13 || freqIndex == 14) { 23233c836e7882e88de42e0e600627de433b61e78621Eric Laurent return ERROR_MALFORMED; 2324ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2325ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 23263c836e7882e88de42e0e600627de433b61e78621Eric Laurent sampleRate = kSamplingRate[freqIndex]; 23273c836e7882e88de42e0e600627de433b61e78621Eric Laurent } 2328595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen 23293c836e7882e88de42e0e600627de433b61e78621Eric Laurent if (objectType == 5 || objectType == 29) { // SBR specific config per 14496-3 table 1.13 23303c836e7882e88de42e0e600627de433b61e78621Eric Laurent uint32_t extFreqIndex = br.getBits(4); 23313c836e7882e88de42e0e600627de433b61e78621Eric Laurent int32_t extSampleRate; 23323c836e7882e88de42e0e600627de433b61e78621Eric Laurent if (extFreqIndex == 15) { 23333c836e7882e88de42e0e600627de433b61e78621Eric Laurent if (csd_size < 8) { 2334595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen return ERROR_MALFORMED; 2335595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 23363c836e7882e88de42e0e600627de433b61e78621Eric Laurent extSampleRate = br.getBits(24); 23373c836e7882e88de42e0e600627de433b61e78621Eric Laurent } else { 23383c836e7882e88de42e0e600627de433b61e78621Eric Laurent if (extFreqIndex == 13 || extFreqIndex == 14) { 23393c836e7882e88de42e0e600627de433b61e78621Eric Laurent return ERROR_MALFORMED; 23403c836e7882e88de42e0e600627de433b61e78621Eric Laurent } 23413c836e7882e88de42e0e600627de433b61e78621Eric Laurent extSampleRate = kSamplingRate[extFreqIndex]; 2342595ee7ba5f988ff34527226d0142a109ca3b049eMarco Nelissen } 23433c836e7882e88de42e0e600627de433b61e78621Eric Laurent //TODO: save the extension sampling rate value in meta data => 23443c836e7882e88de42e0e600627de433b61e78621Eric Laurent // mLastTrack->meta->setInt32(kKeyExtSampleRate, extSampleRate); 2345ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2346ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2347ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (numChannels == 0) { 2348ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return ERROR_UNSUPPORTED; 2349ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2350ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2351ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevSampleRate; 2352ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeySampleRate, &prevSampleRate)); 2353ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2354ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevSampleRate != sampleRate) { 23553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio sample rate different from previous setting. " 2356ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevSampleRate, sampleRate); 2357ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2358ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2359ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeySampleRate, sampleRate); 2360ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2361ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber int32_t prevChannelCount; 2362ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber CHECK(mLastTrack->meta->findInt32(kKeyChannelCount, &prevChannelCount)); 2363ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2364ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber if (prevChannelCount != numChannels) { 23653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mpeg4 audio channel count different from previous setting. " 2366ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber "was: %d, now: %d", prevChannelCount, numChannels); 2367ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber } 2368ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2369ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber mLastTrack->meta->setInt32(kKeyChannelCount, numChannels); 2370ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 2371ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber return OK; 2372ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber} 2373ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 237420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 237520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 237620111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::MPEG4Source( 237720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const sp<MetaData> &format, 2378693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &dataSource, 237948c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber int32_t timeScale, 238005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const sp<SampleTable> &sampleTable, 238105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> &sidx, 238205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t firstMoofOffset) 238320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber : mFormat(format), 238420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDataSource(dataSource), 238548c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mTimescale(timeScale), 238620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mSampleTable(sampleTable), 238720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex(0), 238805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentFragmentIndex(0), 238905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mSegments(sidx), 239005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mFirstMoofOffset(firstMoofOffset), 239105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset(firstMoofOffset), 239205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime(0), 2393ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize(0), 2394ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes(NULL), 2395ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize(0), 2396ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets(NULL), 239720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mIsAVC(false), 23986064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize(0), 239920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted(false), 240020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup(NULL), 240120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer(NULL), 2402dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments(false), 24030024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer(NULL) { 2404ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2405ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoMode, &mCryptoMode); 240648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mDefaultIVSize = 0; 2407ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mFormat->findInt32(kKeyCryptoDefaultIVSize, &mDefaultIVSize); 2408ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t keytype; 2409ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen const void *key; 2410ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen size_t keysize; 2411ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mFormat->findData(kKeyCryptoKey, &keytype, &key, &keysize)) { 2412ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(keysize <= 16); 2413ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(mCryptoKey, 0, 16); 2414ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memcpy(mCryptoKey, key, keysize); 2415ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2416ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 241720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber const char *mime; 241820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool success = mFormat->findCString(kKeyMIMEType, &mime); 2419dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(success); 242020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 242118291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber mIsAVC = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC); 24226064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 24236064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber if (mIsAVC) { 24246064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber uint32_t type; 24256064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const void *data; 24266064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t size; 24276064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(format->findData(kKeyAVCC, &type, &data, &size)); 24286064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 24296064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber const uint8_t *ptr = (const uint8_t *)data; 24306064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 24316064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(size >= 7); 2432ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 24336064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 24346064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // The number of bytes used to encode the length of a NAL unit. 24356064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mNALLengthSize = 1 + (ptr[4] & 3); 24366064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 243705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 243805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(format->findInt32(kKeyTrackID, &mTrackId)); 243905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 244005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset != 0) { 244105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = mFirstMoofOffset; 244205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&offset); 244305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 244420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 244520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 244620111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Source::~MPEG4Source() { 244720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mStarted) { 244820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber stop(); 244920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 2450ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoSizes); 2451ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen free(mCurrentSampleInfoOffsets); 245220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 245320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 245420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::start(MetaData *params) { 24557b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 24567b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 2457dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(!mStarted); 245820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 245920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int32_t val; 2460dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (params && params->findInt32(kKeyWantsNALFragments, &val) 246120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber && val != 0) { 2462dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = true; 246320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } else { 2464dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mWantsNALFragments = false; 246520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 246620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 246720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup = new MediaBufferGroup; 246820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2469738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber int32_t max_size; 2470738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber CHECK(mFormat->findInt32(kKeyMaxInputSize, &max_size)); 247120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2472738c4315859395bfeeaae3d4c9d6fb9f414778f1Andreas Huber mGroup->add_buffer(new MediaBuffer(max_size)); 24730024245e134467d120b40099da16c467dc365e76Andreas Huber 24740024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer = new uint8_t[max_size]; 247520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 247620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = true; 247720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 247820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 247920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 248020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 248120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::stop() { 24827b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 24837b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 2484dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 248520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 248620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 248720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 248820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 248920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 249020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 24910024245e134467d120b40099da16c467dc365e76Andreas Huber delete[] mSrcBuffer; 24920024245e134467d120b40099da16c467dc365e76Andreas Huber mSrcBuffer = NULL; 24930024245e134467d120b40099da16c467dc365e76Andreas Huber 249420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete mGroup; 249520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mGroup = NULL; 249620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 249720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mStarted = false; 249820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCurrentSampleIndex = 0; 249920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 250020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 250120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 250220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 250305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseChunk(off64_t *offset) { 250405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t hdr[2]; 250505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset, hdr, 8) < 8) { 250605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 250705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 250805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t chunk_size = ntohl(hdr[0]); 250905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t chunk_type = ntohl(hdr[1]); 251005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t data_offset = *offset + 8; 251105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 251205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size == 1) { 251305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mDataSource->readAt(*offset + 8, &chunk_size, 8) < 8) { 251405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 251505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 251605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen chunk_size = ntoh64(chunk_size); 251705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen data_offset += 8; 251805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 251905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_size < 16) { 252005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 16 bytes long in this case. 252105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 252205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 252305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (chunk_size < 8) { 252405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The smallest valid chunk is 8 bytes long. 252505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 252605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 252705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 252805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunk[5]; 252905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunk_type, chunk); 253005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Source chunk %s @ %llx", chunk, *offset); 253105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 253205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t chunk_data_size = *offset + chunk_size - data_offset; 253305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 253405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen switch(chunk_type) { 253505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 253605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'a', 'f'): 253705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('m', 'o', 'o', 'f'): { 253805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t stop_offset = *offset + chunk_size; 253905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset = data_offset; 254005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (*offset < stop_offset) { 254105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = parseChunk(offset); 254205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 254305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 254405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 254505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 254605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (chunk_type == FOURCC('m', 'o', 'o', 'f')) { 2547ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // *offset points to the mdat box following this moof 254805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(offset); // doesn't actually parse it, just updates offset 254905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mNextMoofOffset = *offset; 255005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 255105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 255205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 255305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 255405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'f', 'h', 'd'): { 255505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 255605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentHeader(data_offset, chunk_data_size)) != OK) { 255705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 255805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 255905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 256005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 256105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 256205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 256305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen case FOURCC('t', 'r', 'u', 'n'): { 256405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err; 256505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId == mTrackId) { 256605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((err = parseTrackFragmentRun(data_offset, chunk_data_size)) != OK) { 256705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 256805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 256905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 257005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 257105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 257205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 257305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 257405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2575ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'z'): { 2576ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 2577ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationSizes(data_offset, chunk_data_size)) != OK) { 2578ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 2579ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2580ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 2581ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 2582ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2583ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('s', 'a', 'i', 'o'): { 2584ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen status_t err; 2585ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if ((err = parseSampleAuxiliaryInformationOffsets(data_offset, chunk_data_size)) != OK) { 2586ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return err; 2587ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2588ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 2589ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 2590ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2591ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2592ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen case FOURCC('m', 'd', 'a', 't'): { 2593ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse DRM info if present 2594ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("MPEG4Source::parseChunk mdat"); 2595ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // if saiz/saoi was previously observed, do something with the sampleinfos 2596ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen *offset += chunk_size; 2597ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen break; 2598ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2599ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 260005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen default: { 260105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *offset += chunk_size; 260205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 260305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 260405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 260505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 260605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 260705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2608ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissenstatus_t MPEG4Source::parseSampleAuxiliaryInformationSizes(off64_t offset, off64_t size) { 2609ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationSizes"); 2610ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.12 2611ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 2612ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt( 2613ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset, &version, sizeof(version)) 2614ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen < (ssize_t)sizeof(version)) { 2615ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2616ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2617ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2618ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version != 0) { 2619ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_UNSUPPORTED; 2620ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2621ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 2622ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2623ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 2624ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 2625ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2626ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2627ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 2628ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2629ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (flags & 1) { 2630ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 2631ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 2632ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 2633ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2634ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoType = tmp; 2635ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 2636ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 2637ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 2638ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2639ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentAuxInfoTypeParameter = tmp; 2640ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 2641ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2642ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2643ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t defsize; 2644ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &defsize, 1) != 1) { 2645ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 2646ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2647ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentDefaultSampleInfoSize = defsize; 2648ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 2649ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2650ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t smplcnt; 2651ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &smplcnt)) { 2652ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_MALFORMED; 2653ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 265448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen mCurrentSampleInfoCount = smplcnt; 2655ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 2656ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 265748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (mCurrentDefaultSampleInfoSize != 0) { 265848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen ALOGV("@@@@ using default sample info size of %d", mCurrentDefaultSampleInfoSize); 265948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return OK; 266048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 2661ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (smplcnt > mCurrentSampleInfoAllocSize) { 2662ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoSizes = (uint8_t*) realloc(mCurrentSampleInfoSizes, smplcnt); 2663ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoAllocSize = smplcnt; 2664ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2665ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2666ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mDataSource->readAt(offset, mCurrentSampleInfoSizes, smplcnt); 2667ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 2668ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 2669ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2670ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissenstatus_t MPEG4Source::parseSampleAuxiliaryInformationOffsets(off64_t offset, off64_t size) { 2671ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("parseSampleAuxiliaryInformationOffsets"); 2672ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // 14496-12 8.7.13 2673ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t version; 2674ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(offset, &version, sizeof(version)) != 1) { 2675ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2676ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2677ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset++; 2678ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2679ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t flags; 2680ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt24(offset, &flags)) { 2681ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2682ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2683ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 3; 2684ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2685ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t entrycount; 2686ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &entrycount)) { 2687ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2688ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2689ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 2690ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2691ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (entrycount > mCurrentSampleInfoOffsetsAllocSize) { 2692ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets = (uint64_t*) realloc(mCurrentSampleInfoOffsets, entrycount * 8); 2693ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetsAllocSize = entrycount; 2694ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2695ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsetCount = entrycount; 2696ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2697ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < entrycount; i++) { 2698ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (version == 0) { 2699ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t tmp; 2700ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &tmp)) { 2701ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2702ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2703ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 2704ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 4; 2705ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } else { 2706ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint64_t tmp; 2707ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt64(offset, &tmp)) { 2708ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2709ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2710ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen mCurrentSampleInfoOffsets[i] = tmp; 2711ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen offset += 8; 2712ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2713ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2714ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2715ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen // parse clear/encrypted data 2716ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2717ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen off64_t drmoffset = mCurrentSampleInfoOffsets[0]; // from moof 2718ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2719ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += mCurrentMoofOffset; 2720ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen int ivlength; 2721ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen CHECK(mFormat->findInt32(kKeyCryptoDefaultIVSize, &ivlength)); 272248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 272348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // read CencSampleAuxiliaryDataFormats 2724ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen for (size_t i = 0; i < mCurrentSampleInfoCount; i++) { 2725ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Sample *smpl = &mCurrentSamples.editItemAt(i); 2726ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2727ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen memset(smpl->iv, 0, 16); 2728ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (mDataSource->readAt(drmoffset, smpl->iv, ivlength) != ivlength) { 2729ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2730ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2731ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2732ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += ivlength; 2733ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 273448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen int32_t smplinfosize = mCurrentDefaultSampleInfoSize; 273548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize == 0) { 273648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smplinfosize = mCurrentSampleInfoSizes[i]; 2737ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 273848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smplinfosize > ivlength) { 273948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numsubsamples; 274048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numsubsamples)) { 2741ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return ERROR_IO; 2742ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2743ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen drmoffset += 2; 274448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen for (size_t j = 0; j < numsubsamples; j++) { 274548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint16_t numclear; 274648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen uint32_t numencrypted; 274748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt16(drmoffset, &numclear)) { 274848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 274948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 275048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 2; 275148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (!mDataSource->getUInt32(drmoffset, &numencrypted)) { 275248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen return ERROR_IO; 275348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 275448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen drmoffset += 4; 275548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(numclear); 275648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(numencrypted); 2757ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 275848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } else { 275948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.add(0); 276048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.add(smpl->size); 2761ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2762ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen } 2763ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2764ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 2765ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen return OK; 2766ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen} 2767ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 276805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentHeader(off64_t offset, off64_t size) { 276905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 277005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 277105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 277205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 277305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 277405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 2775ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { // actually version + flags 277605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 277705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 277805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 277905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 278005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 278105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 278205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 278305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, (uint32_t*)&mLastParsedTrackId)) { 278405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 278505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 278605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 278705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mLastParsedTrackId != mTrackId) { 278805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this is not the right track, skip it 278905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 279005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 279105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 279205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mFlags = flags; 279305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mTrackID = mLastParsedTrackId; 279405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 279505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 279605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 279705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment header: %08x %08x", flags, mTrackFragmentHeaderInfo.mTrackID); 279805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 279905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent) { 280005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 280105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 280205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 280305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 280405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt64(offset, &mTrackFragmentHeaderInfo.mBaseDataOffset)) { 280505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 280605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 280705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 280805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 280905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 281005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 281105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kSampleDescriptionIndexPresent) { 281205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 281305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 281405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 281505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 281605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mSampleDescriptionIndex)) { 281705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 281805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 281905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 282005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 282105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 282205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 282305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 282405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 282505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 282605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 282705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 282805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleDuration)) { 282905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 283005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 283105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 283205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 283305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 283405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 283505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 283605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 283705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 283805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 283905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 284005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleSize)) { 284105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 284205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 284305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 284405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 284505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 284605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 284705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 284805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 284905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 285005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 285105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 285205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &mTrackFragmentHeaderInfo.mDefaultSampleFlags)) { 285305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 285405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 285505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 285605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 285705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 285805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 285905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!(flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent)) { 286005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mBaseDataOffset = mCurrentMoofOffset; 286105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 286205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 286305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = 0; 286405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 286505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 286605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 286705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::parseTrackFragmentRun(off64_t offset, off64_t size) { 286805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 286905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Extractor::parseTrackFragmentRun"); 287005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 8) { 287105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 287205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 287305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 287405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen enum { 287505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kDataOffsetPresent = 0x01, 287605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kFirstSampleFlagsPresent = 0x04, 287705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleDurationPresent = 0x100, 287805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleSizePresent = 0x200, 287905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleFlagsPresent = 0x400, 288005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kSampleCompositionTimeOffsetPresent = 0x800, 288105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen }; 288205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 288305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t flags; 288405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &flags)) { 288505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 288605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 288705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("fragment run flags: %08x", flags); 288805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 288905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & 0xff000000) { 289005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 289105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 289205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 289305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((flags & kFirstSampleFlagsPresent) && (flags & kSampleFlagsPresent)) { 289405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // These two shall not be used together. 289505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 289605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 289705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 289805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleCount; 289905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset + 4, &sampleCount)) { 290005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 290105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 290205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 8; 290305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 8; 290405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 290505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t dataOffset = mTrackFragmentHeaderInfo.mDataOffset; 290605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 290705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t firstSampleFlags = 0; 290805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 290905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kDataOffsetPresent) { 291005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 291105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 291205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 291305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 291405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t dataOffsetDelta; 291505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, (uint32_t*)&dataOffsetDelta)) { 291605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 291705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 291805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 291905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset = mTrackFragmentHeaderInfo.mBaseDataOffset + dataOffsetDelta; 292005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 292105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 292205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 292305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 292405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 292505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kFirstSampleFlagsPresent) { 292605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < 4) { 292705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 292805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 292905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 293005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &firstSampleFlags)) { 293105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 293205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 293305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 293405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size -= 4; 293505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 293605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 293705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t sampleDuration = 0, sampleSize = 0, sampleFlags = 0, 293805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 293905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 294005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t bytesPerSample = 0; 294105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 294205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 294305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 294405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) { 294505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleDuration = mTrackFragmentHeaderInfo.mDefaultSampleDuration; 294605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 294705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleDuration = mTrackFragmentHeaderInfo.mDefaultSampleDuration; 294805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 294905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 295005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 295105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 295205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 295305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) { 295405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 295505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 295605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize; 295705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 295805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 295905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 296005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 296105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else if (mTrackFragmentHeaderInfo.mFlags 296205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) { 296305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 296405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 296505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags; 296605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 296705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 296805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 296905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bytesPerSample += 4; 297005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 297105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen sampleCtsOffset = 0; 297205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 297305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 297405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (size < sampleCount * bytesPerSample) { 297505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return -EINVAL; 297605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 297705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 297805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Sample tmp; 297905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (uint32_t i = 0; i < sampleCount; ++i) { 298005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleDurationPresent) { 298105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleDuration)) { 298205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 298305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 298405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 298505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 298605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 298705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleSizePresent) { 298805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleSize)) { 298905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 299005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 299105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 299205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 299305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 299405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleFlagsPresent) { 299505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleFlags)) { 299605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 299705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 299805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 299905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 300005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 300105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (flags & kSampleCompositionTimeOffsetPresent) { 300205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mDataSource->getUInt32(offset, &sampleCtsOffset)) { 300305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 300405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 300505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset += 4; 300605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 300705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3008ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen ALOGV("adding sample %d at offset 0x%08llx, size %u, duration %u, " 3009ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen " flags 0x%08x", i + 1, 301005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset, sampleSize, sampleDuration, 301105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (flags & kFirstSampleFlagsPresent) && i == 0 301205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ? firstSampleFlags : sampleFlags); 301305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.offset = dataOffset; 301405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.size = sampleSize; 301505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen tmp.duration = sampleDuration; 301605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.add(tmp); 301705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 301805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dataOffset += sampleSize; 301905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 302005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 302105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mTrackFragmentHeaderInfo.mDataOffset = dataOffset; 302205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 302305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 302405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 302505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 302620111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubersp<MetaData> MPEG4Source::getFormat() { 30277b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 30287b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 302920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return mFormat; 303020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 303120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 30326064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Hubersize_t MPEG4Source::parseNALSize(const uint8_t *data) const { 30336064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber switch (mNALLengthSize) { 30346064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 1: 30356064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return *data; 30366064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 2: 30376064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U16_AT(data); 30386064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 3: 30396064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return ((size_t)data[0] << 16) | U16_AT(&data[1]); 30406064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber case 4: 30416064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return U32_AT(data); 30426064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber } 30436064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 30446064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // This cannot happen, mNALLengthSize springs to life by adding 1 to 30456064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber // a 2-bit integer. 30466064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(!"Should not be here."); 30476064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 30486064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber return 0; 30496064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber} 30506064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 305120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberstatus_t MPEG4Source::read( 305220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer **out, const ReadOptions *options) { 30537b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber Mutex::Autolock autoLock(mLock); 30547b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber 3055dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber CHECK(mStarted); 305620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 305705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mFirstMoofOffset > 0) { 305805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return fragmentedRead(out, options); 305905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 306005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 306120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = NULL; 306220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3063abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber int64_t targetSampleTimeUs = -1; 3064abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 306520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber int64_t seekTimeUs; 3066abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber ReadOptions::SeekMode mode; 3067abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (options && options->getSeekTo(&seekTimeUs, &mode)) { 3068abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t findFlags = 0; 3069abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber switch (mode) { 3070abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_PREVIOUS_SYNC: 3071abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 3072abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3073abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_NEXT_SYNC: 3074abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagAfter; 3075abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3076abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST_SYNC: 3077abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber case ReadOptions::SEEK_CLOSEST: 3078abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagClosest; 3079abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3080abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber default: 3081abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK(!"Should not be here."); 3082abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber break; 3083abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3084abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 308520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t sampleIndex; 3086abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber status_t err = mSampleTable->findSampleAtTime( 308720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber seekTimeUs * mTimescale / 1000000, 3088abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber &sampleIndex, findFlags); 3089abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3090abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 3091abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // We found the closest sample already, now we want the sync 3092abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // sample preceding it (or the sample itself of course), even 3093abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber // if the subsequent sync sample is closer. 3094abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber findFlags = SampleTable::kFlagBefore; 3095abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3096abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3097abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleIndex; 3098abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (err == OK) { 3099abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber err = mSampleTable->findSyncSampleNear( 3100abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleIndex, &syncSampleIndex, findFlags); 3101abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 310220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3103788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber uint32_t sampleTime; 3104788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber if (err == OK) { 3105788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber err = mSampleTable->getMetaDataForSample( 3106788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber sampleIndex, NULL, NULL, &sampleTime); 3107788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber } 3108788a07fc61bad7ea2f0e3cca3f126b52a9bab376Andreas Huber 310920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (err != OK) { 31105295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber if (err == ERROR_OUT_OF_RANGE) { 31115295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // An attempt to seek past the end of the stream would 31125295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // normally cause this ERROR_OUT_OF_RANGE error. Propagating 31135295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // this all the way to the MediaPlayer would cause abnormal 31145295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // termination. Legacy behaviour appears to be to behave as if 31155295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber // we had seeked to the end of stream, ending normally. 31165295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber err = ERROR_END_OF_STREAM; 31175295c0c55d41a2906ea7f65a3f22e6278cb17d4bAndreas Huber } 311805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("end of stream"); 311920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return err; 312020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 312120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3122abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 3123abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber targetSampleTimeUs = (sampleTime * 1000000ll) / mTimescale; 3124abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3125abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3126abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#if 0 3127abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber uint32_t syncSampleTime; 3128abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber CHECK_EQ(OK, mSampleTable->getMetaDataForSample( 3129abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleIndex, NULL, NULL, &syncSampleTime)); 3130abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3131df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("seek to time %lld us => sample at time %lld us, " 3132abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber "sync sample at time %lld us", 3133abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber seekTimeUs, 3134abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber sampleTime * 1000000ll / mTimescale, 3135abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber syncSampleTime * 1000000ll / mTimescale); 3136abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber#endif 3137abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3138abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mCurrentSampleIndex = syncSampleIndex; 313920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mBuffer != NULL) { 314020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 314120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 314220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 314320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 314420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // fall through 314520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 314620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3147c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset; 31480024245e134467d120b40099da16c467dc365e76Andreas Huber size_t size; 31494678a6dc5f09008481524949a9667af5a6190374Andreas Huber uint32_t cts; 31508bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber bool isSyncSample; 3151dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber bool newBuffer = false; 3152dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer == NULL) { 3153dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber newBuffer = true; 315420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3155c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber status_t err = 3156c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber mSampleTable->getMetaDataForSample( 31574678a6dc5f09008481524949a9667af5a6190374Andreas Huber mCurrentSampleIndex, &offset, &size, &cts, &isSyncSample); 315820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3159dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 3160dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 3161dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3162dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3163dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber err = mGroup->acquire_buffer(&mBuffer); 3164c57b67905c2128ddadfeca96785ee1f593b6605aAndreas Huber 3165dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (err != OK) { 3166ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber CHECK(mBuffer == NULL); 3167dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return err; 3168dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 31690024245e134467d120b40099da16c467dc365e76Andreas Huber } 317020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3171dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (!mIsAVC || mWantsNALFragments) { 3172dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (newBuffer) { 3173dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ssize_t num_bytes_read = 317434769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 3175dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3176dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (num_bytes_read < (ssize_t)size) { 3177dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 3178dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 3179dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3180dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 3181dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3182dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 31837b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 3184dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range(0, size); 3185dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->meta_data()->clear(); 318648c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 31874678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 3188abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3189abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 3190abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 3191abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 3192abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3193abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 31948bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 31958bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 31968bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 31978bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 3198dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber ++mCurrentSampleIndex; 3199dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3200dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3201dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (!mIsAVC) { 3202dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = mBuffer; 3203dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 3204dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3205dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 3206dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3207dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3208dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Each NAL unit is split up into its constituent fragments and 3209dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // each one of them returned in its own buffer. 3210dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 32116064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber CHECK(mBuffer->range_length() >= mNALLengthSize); 3212dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3213dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber const uint8_t *src = 3214dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 3215dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 32166064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber size_t nal_size = parseNALSize(src); 3217e8a084958c27327b0aca749f69095605d2a21309Andreas Huber if (mBuffer->range_length() < mNALLengthSize + nal_size) { 321829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("incomplete NAL unit."); 3219e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 3220e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer->release(); 3221e8a084958c27327b0aca749f69095605d2a21309Andreas Huber mBuffer = NULL; 3222e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 3223e8a084958c27327b0aca749f69095605d2a21309Andreas Huber return ERROR_MALFORMED; 3224e8a084958c27327b0aca749f69095605d2a21309Andreas Huber } 3225dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3226dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber MediaBuffer *clone = mBuffer->clone(); 32277b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(clone != NULL); 32286064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 3229dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 32307b3396acc702451be9bafb19d7fe26d55d43a316Andreas Huber CHECK(mBuffer != NULL); 3231dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->set_range( 32326064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_offset() + mNALLengthSize + nal_size, 32336064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber mBuffer->range_length() - mNALLengthSize - nal_size); 3234dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3235dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber if (mBuffer->range_length() == 0) { 3236dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer->release(); 3237dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber mBuffer = NULL; 3238dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3239dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3240dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber *out = clone; 3241dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3242dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return OK; 3243dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } else { 3244dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // Whole NAL units are returned but each fragment is prefixed by 3245dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber // the start code (0x00 00 00 01). 3246dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t num_bytes_read = 0; 3247dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int32_t drm = 0; 3248dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 3249dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 3250dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = 3251dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDataSource->readAt(offset, (uint8_t*)mBuffer->data(), size); 3252dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 3253dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size); 3254dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 325520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 325620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (num_bytes_read < (ssize_t)size) { 325720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->release(); 325820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 325920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3260dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber return ERROR_IO; 326120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 326220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3263dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (usesDRM) { 3264dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 3265dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, size); 32666064017c61aa0bcadcff3119e176eab5fc3c001bAndreas Huber 3267dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 3268dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t *dstData = (uint8_t *)mBuffer->data(); 3269dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t srcOffset = 0; 3270dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t dstOffset = 0; 3271e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 3272dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang while (srcOffset < size) { 327334fe252c89e33572d01fea981b58d7b115e76164James Dong bool isMalFormed = (srcOffset + mNALLengthSize > size); 327434fe252c89e33572d01fea981b58d7b115e76164James Dong size_t nalLength = 0; 327534fe252c89e33572d01fea981b58d7b115e76164James Dong if (!isMalFormed) { 327634fe252c89e33572d01fea981b58d7b115e76164James Dong nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 327734fe252c89e33572d01fea981b58d7b115e76164James Dong srcOffset += mNALLengthSize; 327834fe252c89e33572d01fea981b58d7b115e76164James Dong isMalFormed = srcOffset + nalLength > size; 327934fe252c89e33572d01fea981b58d7b115e76164James Dong } 3280e8a084958c27327b0aca749f69095605d2a21309Andreas Huber 328134fe252c89e33572d01fea981b58d7b115e76164James Dong if (isMalFormed) { 328229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Video is malformed"); 3283dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->release(); 3284dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer = NULL; 3285dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return ERROR_MALFORMED; 3286dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 3287dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 3288dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (nalLength == 0) { 3289dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang continue; 3290dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 3291dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3292dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(dstOffset + 4 <= mBuffer->size()); 3293dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 3294dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 3295dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 3296dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 0; 3297dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstData[dstOffset++] = 1; 3298dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 3299dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang srcOffset += nalLength; 3300dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang dstOffset += nalLength; 3301dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 3302dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK_EQ(srcOffset, size); 3303dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang CHECK(mBuffer != NULL); 3304dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mBuffer->set_range(0, dstOffset); 3305dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber } 3306dbc03445db2bbf83b64f0c0a5dc62e61408864d7Andreas Huber 330720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer->meta_data()->clear(); 330848c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber mBuffer->meta_data()->setInt64( 33094678a6dc5f09008481524949a9667af5a6190374Andreas Huber kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 3310abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 3311abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber if (targetSampleTimeUs >= 0) { 3312abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber mBuffer->meta_data()->setInt64( 3313abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber kKeyTargetTime, targetSampleTimeUs); 3314abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber } 3315abd1f4f870925d6776dbe4b930b759a1ab6595caAndreas Huber 33168bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber if (isSyncSample) { 33178bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 33188bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber } 33198bf59e735760af0b6a85747fd90bf8cf1e5388d7Andreas Huber 332020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber ++mCurrentSampleIndex; 332120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *out = mBuffer; 332320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBuffer = NULL; 332420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return OK; 332620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 332720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 332820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstatus_t MPEG4Source::fragmentedRead( 333005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer **out, const ReadOptions *options) { 333105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 333205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("MPEG4Source::fragmentedRead"); 333305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 333405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mStarted); 333505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 333605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = NULL; 333705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 333805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t targetSampleTimeUs = -1; 333905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 334005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t seekTimeUs; 334105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ReadOptions::SeekMode mode; 334205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (options && options->getSeekTo(&seekTimeUs, &mode)) { 334305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 334405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int numSidxEntries = mSegments.size(); 334505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (numSidxEntries != 0) { 334605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int64_t totalTime = 0; 334705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t totalOffset = mFirstMoofOffset; 334805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen for (int i = 0; i < numSidxEntries; i++) { 334905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const SidxEntry *se = &mSegments[i]; 335005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (totalTime + se->mDurationUs > seekTimeUs) { 335105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // The requested time is somewhere in this segment 335205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if ((mode == ReadOptions::SEEK_NEXT_SYNC) || 335305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (mode == ReadOptions::SEEK_CLOSEST_SYNC && 335405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (seekTimeUs - totalTime) > (totalTime + se->mDurationUs - seekTimeUs))) { 335505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // requested next sync, or closest sync and it was closer to the end of 335605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // this segment 335705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 335805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 335905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 336005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen break; 336105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 336205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalTime += se->mDurationUs; 336305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen totalOffset += se->mSize; 336405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 336505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset = totalOffset; 336605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.clear(); 336705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSampleIndex = 0; 336805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&totalOffset); 336905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime = totalTime * mTimescale / 1000000ll; 337005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 337105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 337205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer != NULL) { 337305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 337405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 337505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 337605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 337705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // fall through 337805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 337905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 338005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t offset = 0; 338105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t size; 338205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t cts = 0; 338305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool isSyncSample = false; 338405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool newBuffer = false; 338505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer == NULL) { 338605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen newBuffer = true; 338705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 338805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 338905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // move to next fragment 339005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Sample lastSample = mCurrentSamples[mCurrentSamples.size() - 1]; 339105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t nextMoof = mNextMoofOffset; // lastSample.offset + lastSample.size; 339205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentMoofOffset = nextMoof; 339305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSamples.clear(); 339405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentSampleIndex = 0; 339505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen parseChunk(&nextMoof); 339605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mCurrentSampleIndex >= mCurrentSamples.size()) { 339705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_END_OF_STREAM; 339805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 339905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 340005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 340105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 340205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen offset = smpl->offset; 340305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size = smpl->size; 340405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen cts = mCurrentTime; 340505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mCurrentTime += smpl->duration; 340605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen isSyncSample = (mCurrentSampleIndex == 0); // XXX 340705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 340805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t err = mGroup->acquire_buffer(&mBuffer); 340905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 341005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (err != OK) { 341105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer == NULL); 341205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("acquire_buffer returned %d", err); 341305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return err; 341405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 341505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 341605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 341748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const Sample *smpl = &mCurrentSamples[mCurrentSampleIndex]; 341848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen const sp<MetaData> bufmeta = mBuffer->meta_data(); 341948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->clear(); 342048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen if (smpl->encryptedsizes.size()) { 342148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen // store clear/encrypted lengths in metadata 342248186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyPlainSizes, 0, 342348186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->clearsizes.array(), smpl->clearsizes.size() * 4); 342448186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyEncryptedSizes, 0, 342548186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen smpl->encryptedsizes.array(), smpl->encryptedsizes.size() * 4); 342648186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoIV, 0, smpl->iv, 16); // use 16 or the actual size? 342748186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoDefaultIVSize, mDefaultIVSize); 342848186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setInt32(kKeyCryptoMode, mCryptoMode); 342948186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen bufmeta->setData(kKeyCryptoKey, 0, mCryptoKey, 16); 343048186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen } 343148186b6ec99aa71ec48338a55f2a2d8291681fe4Marco Nelissen 343205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mIsAVC || mWantsNALFragments) { 343305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (newBuffer) { 343405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 343505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource->readAt(offset, (uint8_t *)mBuffer->data(), size); 343605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 343705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 343805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 343905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 344005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 344105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("i/o error"); 344205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 344305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 344405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 344505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 344605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 344705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 344805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 344905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 345005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 345105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 345205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 345305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 345405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 345505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 345605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 345705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 345805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 345905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 346005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 346105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 346205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!mIsAVC) { 346305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 346405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 346505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 346605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 346705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 346805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 346905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Each NAL unit is split up into its constituent fragments and 347005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // each one of them returned in its own buffer. 347105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 347205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer->range_length() >= mNALLengthSize); 347305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 347405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen const uint8_t *src = 347505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen (const uint8_t *)mBuffer->data() + mBuffer->range_offset(); 347605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 347705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nal_size = parseNALSize(src); 347805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() < mNALLengthSize + nal_size) { 347905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("incomplete NAL unit."); 348005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 348105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 348205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 348305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 348405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 348505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 348605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 348705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MediaBuffer *clone = mBuffer->clone(); 348805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(clone != NULL); 348905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen clone->set_range(mBuffer->range_offset() + mNALLengthSize, nal_size); 349005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 349105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 349205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range( 349305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_offset() + mNALLengthSize + nal_size, 349405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->range_length() - mNALLengthSize - nal_size); 349505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 349605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (mBuffer->range_length() == 0) { 349705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 349805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 349905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 350005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 350105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = clone; 350205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 350305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 350405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 350505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("whole NAL"); 350605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // Whole NAL units are returned but each fragment is prefixed by 350705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen // the start code (0x00 00 00 01). 350805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ssize_t num_bytes_read = 0; 350905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen int32_t drm = 0; 351005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool usesDRM = (mFormat->findInt32(kKeyIsDRM, &drm) && drm != 0); 351105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 351205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen num_bytes_read = 351305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mDataSource->readAt(offset, (uint8_t*)mBuffer->data(), size); 351405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 351505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size); 351605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 351705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 351805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (num_bytes_read < (ssize_t)size) { 351905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 352005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 352105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 352205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("i/o error"); 352305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_IO; 352405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 352505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 352605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (usesDRM) { 352705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 352805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, size); 352905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 353005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } else { 353105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint8_t *dstData = (uint8_t *)mBuffer->data(); 353205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t srcOffset = 0; 353305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t dstOffset = 0; 353405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 353505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen while (srcOffset < size) { 353605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen bool isMalFormed = (srcOffset + mNALLengthSize > size); 353705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t nalLength = 0; 353805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (!isMalFormed) { 353905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen nalLength = parseNALSize(&mSrcBuffer[srcOffset]); 354005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += mNALLengthSize; 354105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen isMalFormed = srcOffset + nalLength > size; 354205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 354305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 354405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isMalFormed) { 354505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGE("Video is malformed"); 354605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->release(); 354705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 354805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return ERROR_MALFORMED; 354905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 355005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 355105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (nalLength == 0) { 355205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen continue; 355305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 355405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 355505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(dstOffset + 4 <= mBuffer->size()); 355605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 355705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 355805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 355905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 0; 356005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstData[dstOffset++] = 1; 356105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen memcpy(&dstData[dstOffset], &mSrcBuffer[srcOffset], nalLength); 356205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen srcOffset += nalLength; 356305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen dstOffset += nalLength; 356405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 356505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK_EQ(srcOffset, size); 356605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen CHECK(mBuffer != NULL); 356705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->set_range(0, dstOffset); 356805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 356905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 357005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 357105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTime, ((int64_t)cts * 1000000) / mTimescale); 357205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 357305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (targetSampleTimeUs >= 0) { 357405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt64( 357505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen kKeyTargetTime, targetSampleTimeUs); 357605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 357705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 357805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen if (isSyncSample) { 357905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); 358005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 358105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 358205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ++mCurrentSampleIndex; 358305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 358405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen *out = mBuffer; 358505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen mBuffer = NULL; 358605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 358705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen return OK; 358805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen } 358905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen} 359005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 3591bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas HuberMPEG4Extractor::Track *MPEG4Extractor::findTrackByMimePrefix( 3592bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mimePrefix) { 3593bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber for (Track *track = mFirstTrack; track != NULL; track = track->next) { 3594bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber const char *mime; 3595bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber if (track->meta != NULL 3596bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && track->meta->findCString(kKeyMIMEType, &mime) 3597bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber && !strncasecmp(mime, mimePrefix, strlen(mimePrefix))) { 3598bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return track; 3599bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 3600bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber } 3601bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 3602bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber return NULL; 3603bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber} 3604bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 36051b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool LegacySniffMPEG4( 3606693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence) { 360720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint8_t header[8]; 360820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 360934769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber ssize_t n = source->readAt(4, header, sizeof(header)); 361020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (n < (ssize_t)sizeof(header)) { 361120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 361220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 361320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 361420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (!memcmp(header, "ftyp3gp", 7) || !memcmp(header, "ftypmp42", 8) 3615b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3gr6", 8) || !memcmp(header, "ftyp3gs6", 8) 3616b9dbba9285fb406bc6eb87779c8bfc405269b6f2James Dong || !memcmp(header, "ftyp3ge6", 8) || !memcmp(header, "ftyp3gg6", 8) 36170dba73763a04d39faf999dcc5ef12af3c99535a7Andreas Huber || !memcmp(header, "ftypisom", 8) || !memcmp(header, "ftypM4V ", 8) 3618ea5ea10a036f79c86bf5f204cb81804bf2bacdc7Andreas Huber || !memcmp(header, "ftypM4A ", 8) || !memcmp(header, "ftypf4v ", 8) 3619983b449a27b5fa91eca82ede5204b4341899be62Andreas Huber || !memcmp(header, "ftypkddi", 8) || !memcmp(header, "ftypM4VP", 8)) { 362018291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 36215a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4; 362220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 362320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return true; 362420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 362520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 362620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return false; 362720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 362820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 36291b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool isCompatibleBrand(uint32_t fourcc) { 36301b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber static const uint32_t kCompatibleBrands[] = { 36311b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', 'm'), 36321b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('i', 's', 'o', '2'), 36331b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('a', 'v', 'c', '1'), 36341b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('3', 'g', 'p', '4'), 36351b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '1'), 36361b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber FOURCC('m', 'p', '4', '2'), 36374cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong 36384cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Won't promise that the following file types can be played. 36394cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong // Just give these file types a chance. 36404cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('q', 't', ' ', ' '), // Apple's QuickTime 36414cb2c4dc7af70684e81cfbce46cbcbb9e44f4dc4James Dong FOURCC('M', 'S', 'N', 'V'), // Sony's PSP 364258fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber 364358fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'a'), // 3GPP2 364458fb39120c633e3b8aa31b8f0a78e8efc193d59dAndreas Huber FOURCC('3', 'g', '2', 'b'), 36451b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber }; 36461b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 36471b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber for (size_t i = 0; 36481b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber i < sizeof(kCompatibleBrands) / sizeof(kCompatibleBrands[0]); 36491b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber ++i) { 36501b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (kCompatibleBrands[i] == fourcc) { 36511b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 36521b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 36531b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 36541b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 36551b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 36561b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 36571b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 36581b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// Attempt to actually parse the 'ftyp' atom and determine if a suitable 36591b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber// compatible brand is present. 3660a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// Also try to identify where this file's metadata ends 3661a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// (end of the 'moov' atom) and report it to the caller as part of 3662a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber// the metadata. 36631b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberstatic bool BetterSniffMPEG4( 3664a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 3665a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 3666a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // We scan up to 128 bytes to identify this file as an MP4. 3667a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber static const off64_t kMaxScanOffset = 128ll; 36681b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 3669a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t offset = 0ll; 3670a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool foundGoodFileType = false; 3671a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t moovAtomEndOffset = -1ll; 3672a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber bool done = false; 36731b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 3674a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber while (!done && offset < kMaxScanOffset) { 3675a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t hdr[2]; 3676a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset, hdr, 8) < 8) { 3677a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3678a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3679a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3680a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint64_t chunkSize = ntohl(hdr[0]); 3681a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t chunkType = ntohl(hdr[1]); 3682a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataOffset = offset + 8; 3683a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3684a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize == 1) { 3685a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt(offset + 8, &chunkSize, 8) < 8) { 36861b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 36871b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 36881b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 3689a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkSize = ntoh64(chunkSize); 3690a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset += 8; 3691a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3692a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkSize < 16) { 3693a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 16 bytes long in this case. 3694a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3695a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3696a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } else if (chunkSize < 8) { 3697a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // The smallest valid chunk is 8 bytes long. 3698a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3699a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3700a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3701a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber off64_t chunkDataSize = offset + chunkSize - chunkDataOffset; 3702a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 370305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen char chunkstring[5]; 370405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen MakeFourCCString(chunkType, chunkstring); 370505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen ALOGV("saw chunk type %s, size %lld @ %lld", chunkstring, chunkSize, offset); 3706a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber switch (chunkType) { 3707a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('f', 't', 'y', 'p'): 3708a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 3709a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (chunkDataSize < 8) { 3710a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3711a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3712a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3713a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t numCompatibleBrands = (chunkDataSize - 8) / 4; 3714a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber for (size_t i = 0; i < numCompatibleBrands + 2; ++i) { 3715a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (i == 1) { 3716a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // Skip this index, it refers to the minorVersion, 3717a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber // not a brand. 3718a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber continue; 3719a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3720a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3721a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber uint32_t brand; 3722a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (source->readAt( 3723a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber chunkDataOffset + 4 * i, &brand, 4) < 4) { 3724a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3725a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3726a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3727a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber brand = ntohl(brand); 3728a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3729a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (isCompatibleBrand(brand)) { 3730a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber foundGoodFileType = true; 3731a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 3732a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3733a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3734a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3735a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 3736a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber return false; 3737a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3738a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 37391b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber break; 37401b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 3741a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3742a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber case FOURCC('m', 'o', 'o', 'v'): 3743a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber { 3744a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber moovAtomEndOffset = offset + chunkSize; 3745a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3746a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber done = true; 3747a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 3748a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3749a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3750a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber default: 3751a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber break; 37521b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 3753a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3754a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber offset += chunkSize; 37551b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 37561b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 3757a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (!foundGoodFileType) { 37581b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 37591b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 37601b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 37611b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber *mimeType = MEDIA_MIMETYPE_CONTAINER_MPEG4; 37625a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *confidence = 0.4f; 37631b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 3764a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (moovAtomEndOffset >= 0) { 3765a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber *meta = new AMessage; 3766a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber (*meta)->setInt64("meta-data-size", moovAtomEndOffset); 3767a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 3768456caf3f5f0af673dc120c17c23635f40d8f5ac2Andreas Huber ALOGV("found metadata size: %lld", moovAtomEndOffset); 3769a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber } 3770a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber 37711b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 37721b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 37731b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 37741b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huberbool SniffMPEG4( 37755a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 3776a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber sp<AMessage> *meta) { 3777a0f2bf56e30f580535229fa6a58e7d48b762727cAndreas Huber if (BetterSniffMPEG4(source, mimeType, confidence, meta)) { 37781b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 37791b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 37801b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 37811b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber if (LegacySniffMPEG4(source, mimeType, confidence)) { 37825ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Identified supported mpeg4 through LegacySniffMPEG4."); 37831b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return true; 37841b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber } 37851b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 37861b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber return false; 37871b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber} 37881b52bd2874aef6c9cbc141f1cff5205830515f7dAndreas Huber 378920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 3790