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 17050b28a593350047845a45a14cc5026221ac1620James Dong//#define LOG_NDEBUG 0 18050b28a593350047845a45a14cc5026221ac1620James Dong#define LOG_TAG "MPEG4Writer" 19050b28a593350047845a45a14cc5026221ac1620James Dong#include <utils/Log.h> 20050b28a593350047845a45a14cc5026221ac1620James Dong 2120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <arpa/inet.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <pthread.h> 24a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong#include <sys/prctl.h> 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2643089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong#include <media/stagefright/foundation/ADebug.h> 2720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MPEG4Writer.h> 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaBuffer.h> 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MetaData.h> 3018291bc20e55e8f3fd5feb786771a8ed32c19c59Andreas Huber#include <media/stagefright/MediaDefs.h> 3103b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber#include <media/stagefright/MediaErrors.h> 3220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaSource.h> 3320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/Utils.h> 34d599cd4573b5a2d5914c5040e0565ef866749b77James Dong#include <media/mediarecorder.h> 3507ec01904613a0bac32caaa8444b4690998faed7James Dong#include <cutils/properties.h> 36674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <sys/types.h> 37674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <sys/stat.h> 38674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <fcntl.h> 39674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <unistd.h> 4020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4119c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber#include "include/ESDS.h" 4219c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4577e8ae9967a078770416619e99ddb5b010def312James Dongstatic const int64_t kMinStreamableFileSizeInBytes = 5 * 1024 * 1024; 46f622e2c78407b50806a53a06a89b2b6546420f55Rachadstatic const int64_t kMax32BitFileSize = 0x00ffffffffLL; // 2^32-1 : max FAT32 47f622e2c78407b50806a53a06a89b2b6546420f55Rachad // filesystem file size 48f622e2c78407b50806a53a06a89b2b6546420f55Rachad // used by most SD cards 493266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatic const uint8_t kNalUnitTypeSeqParamSet = 0x07; 503266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatic const uint8_t kNalUnitTypePicParamSet = 0x08; 5170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dongstatic const int64_t kInitialDelayTimeUs = 700000LL; 525b6a01e65aa4129a9226667536d1bc1dad5980d8James Dong 5320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Writer::Track { 5420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 55bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong Track(MPEG4Writer *owner, const sp<MediaSource> &source, size_t trackId); 568f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong 5720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber ~Track(); 5820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5993d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong status_t start(MetaData *params); 6037187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t stop(); 6137187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t pause(); 6225b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber bool reachedEOS(); 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 643b240d6bf235f6f6b40ee4c37a2862de286ca1e4Andreas Huber int64_t getDurationUs() const; 65d599cd4573b5a2d5914c5040e0565ef866749b77James Dong int64_t getEstimatedTrackSizeBytes() const; 66b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeTrackHeader(bool use32BitOffset = true); 671c9747a4653aec1395c2bd6896c9b87cb5447837James Dong void bufferChunk(int64_t timestampUs); 681c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool isAvc() const { return mIsAvc; } 691c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool isAudio() const { return mIsAudio; } 701c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool isMPEG4() const { return mIsMPEG4; } 71c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong void addChunkOffset(off64_t offset); 7270ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int32_t getTrackId() const { return mTrackId; } 73dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong status_t dump(int fd, const Vector<String16>& args) const; 7420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 76000e18370baae60ffd9f25b509501dd8c26deabfJames Dong enum { 77000e18370baae60ffd9f25b509501dd8c26deabfJames Dong kMaxCttsOffsetTimeUs = 1000000LL, // 1 second 788c460498c028888c533ab442be12b6d4b669b965James Dong kSampleArraySize = 1000, 79000e18370baae60ffd9f25b509501dd8c26deabfJames Dong }; 80000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 81c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // A helper class to handle faster write box with table entries 82c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong template<class TYPE> 83c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong struct ListTableEntries { 84c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries(uint32_t elementCapacity, uint32_t entryCapacity) 85c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong : mElementCapacity(elementCapacity), 86c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mEntryCapacity(entryCapacity), 87c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mTotalNumTableEntries(0), 88c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mNumValuesInCurrEntry(0), 89c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCurrTableEntriesElement(NULL) { 90c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_GT(mElementCapacity, 0); 91c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_GT(mEntryCapacity, 0); 92c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 93c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 94c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Free the allocated memory. 95c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ~ListTableEntries() { 96c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong while (!mTableEntryList.empty()) { 97c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong typename List<TYPE *>::iterator it = mTableEntryList.begin(); 98c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete[] (*it); 99c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mTableEntryList.erase(it); 100c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 101c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 102c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 103c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Replace the value at the given position by the given value. 104c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // There must be an existing value at the given position. 105c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg value must be in network byte order 106c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg pos location the value must be in. 107c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong void set(const TYPE& value, uint32_t pos) { 10825f0d7ba1987de61c75f8c68b19de48e0ad9736cJames Dong CHECK_LT(pos, mTotalNumTableEntries * mEntryCapacity); 109c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 110c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong typename List<TYPE *>::iterator it = mTableEntryList.begin(); 111c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t iterations = (pos / (mElementCapacity * mEntryCapacity)); 112c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong while (it != mTableEntryList.end() && iterations > 0) { 113c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ++it; 114c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong --iterations; 115c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 116c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK(it != mTableEntryList.end()); 117c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_EQ(iterations, 0); 118c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 119c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong (*it)[(pos % (mElementCapacity * mEntryCapacity))] = value; 120c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 121c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 122c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Get the value at the given position by the given value. 123c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg value the retrieved value at the position in network byte order. 124c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg pos location the value must be in. 125c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @return true if a value is found. 126c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong bool get(TYPE& value, uint32_t pos) const { 12725f0d7ba1987de61c75f8c68b19de48e0ad9736cJames Dong if (pos >= mTotalNumTableEntries * mEntryCapacity) { 128c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong return false; 129c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 130c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 131c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong typename List<TYPE *>::iterator it = mTableEntryList.begin(); 132c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t iterations = (pos / (mElementCapacity * mEntryCapacity)); 133c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong while (it != mTableEntryList.end() && iterations > 0) { 134c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ++it; 135c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong --iterations; 136c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 137c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK(it != mTableEntryList.end()); 138c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_EQ(iterations, 0); 139c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 140c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong value = (*it)[(pos % (mElementCapacity * mEntryCapacity))]; 141c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong return true; 142c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 143c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 144c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Store a single value. 145c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg value must be in network byte order. 146c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong void add(const TYPE& value) { 147c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_LT(mNumValuesInCurrEntry, mElementCapacity); 148c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t nEntries = mTotalNumTableEntries % mElementCapacity; 149c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t nValues = mNumValuesInCurrEntry % mEntryCapacity; 150c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (nEntries == 0 && nValues == 0) { 151c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCurrTableEntriesElement = new TYPE[mEntryCapacity * mElementCapacity]; 152c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK(mCurrTableEntriesElement != NULL); 153c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mTableEntryList.push_back(mCurrTableEntriesElement); 154c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 155c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 156c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t pos = nEntries * mEntryCapacity + nValues; 157c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCurrTableEntriesElement[pos] = value; 158c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 159c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ++mNumValuesInCurrEntry; 160c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if ((mNumValuesInCurrEntry % mEntryCapacity) == 0) { 161c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ++mTotalNumTableEntries; 162c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mNumValuesInCurrEntry = 0; 163c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 164c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 165c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 166c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Write out the table entries: 167c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // 1. the number of entries goes first 168c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // 2. followed by the values in the table enties in order 169c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // @arg writer the writer to actual write to the storage 170c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong void write(MPEG4Writer *writer) const { 171c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_EQ(mNumValuesInCurrEntry % mEntryCapacity, 0); 172c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t nEntries = mTotalNumTableEntries; 173c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong writer->writeInt32(nEntries); 174c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong for (typename List<TYPE *>::iterator it = mTableEntryList.begin(); 175c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong it != mTableEntryList.end(); ++it) { 176c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK_GT(nEntries, 0); 177c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (nEntries >= mElementCapacity) { 178c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong writer->write(*it, sizeof(TYPE) * mEntryCapacity, mElementCapacity); 179c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong nEntries -= mElementCapacity; 180c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } else { 181c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong writer->write(*it, sizeof(TYPE) * mEntryCapacity, nEntries); 182c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong break; 183c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 184c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 185c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 186c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 187c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong // Return the number of entries in the table. 188c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t count() const { return mTotalNumTableEntries; } 189c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 190c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong private: 191c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t mElementCapacity; // # entries in an element 192c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t mEntryCapacity; // # of values in each entry 193c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t mTotalNumTableEntries; 194c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t mNumValuesInCurrEntry; // up to mEntryCapacity 195c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong TYPE *mCurrTableEntriesElement; 196c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mutable List<TYPE *> mTableEntryList; 197c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 198c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong DISALLOW_EVIL_CONSTRUCTORS(ListTableEntries); 199c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong }; 200c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 201c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 202c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 20320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Writer *mOwner; 20420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> mMeta; 205693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<MediaSource> mSource; 20620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber volatile bool mDone; 207a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong volatile bool mPaused; 208a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong volatile bool mResumed; 209eaae38445a340c4857c1c5569475879a728e63b7James Dong volatile bool mStarted; 2101c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool mIsAvc; 2111c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool mIsAudio; 2121c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool mIsMPEG4; 213bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong int32_t mTrackId; 214c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong int64_t mTrackDurationUs; 21543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong int64_t mMaxChunkDurationUs; 216e259531ce59ab1f31de5a23124b22536f6a5a767James Dong 217d599cd4573b5a2d5914c5040e0565ef866749b77James Dong int64_t mEstimatedTrackSizeBytes; 2181f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong int64_t mMdatSizeBytes; 2198f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int32_t mTimeScale; 22020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 22120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_t mThread; 22220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 223be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong 22413aec890216948b0c364f8f92792129d0335f506James Dong List<MediaBuffer *> mChunkSamples; 2251f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 226c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong bool mSamplesHaveSameSize; 227c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mStszTableEntries; 228be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong 229c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mStcoTableEntries; 230c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<off64_t> *mCo64TableEntries; 231c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mStscTableEntries; 232c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mStssTableEntries; 233c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mSttsTableEntries; 234c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ListTableEntries<uint32_t> *mCttsTableEntries; 235965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 236000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int64_t mMinCttsOffsetTimeUs; 237000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int64_t mMaxCttsOffsetTimeUs; 238965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 2393266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Sequence parameter set or picture parameter set 2403266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong struct AVCParamSet { 2413266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong AVCParamSet(uint16_t length, const uint8_t *data) 2423266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong : mLength(length), mData(data) {} 2433266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 2443266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint16_t mLength; 2453266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *mData; 2463266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong }; 2473266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong List<AVCParamSet> mSeqParamSets; 2483266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong List<AVCParamSet> mPicParamSets; 2493266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint8_t mProfileIdc; 2503266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint8_t mProfileCompatible; 2513266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint8_t mLevelIdc; 2523266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 25320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void *mCodecSpecificData; 25420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t mCodecSpecificDataSize; 255548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber bool mGotAllCodecSpecificData; 25693d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong bool mTrackingProgressStatus; 25720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 25825b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber bool mReachedEOS; 2593c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong int64_t mStartTimestampUs; 26070ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t mStartTimeRealUs; 26170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t mFirstSampleTimeRealUs; 26293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong int64_t mPreviousTrackTimeUs; 26393d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong int64_t mTrackEveryTimeDurationUs; 26425b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 265872a481558350634a3fd5cb67939de288af00ecbJames Dong // Update the audio track's drift information. 266872a481558350634a3fd5cb67939de288af00ecbJames Dong void updateDriftTime(const sp<MetaData>& meta); 267872a481558350634a3fd5cb67939de288af00ecbJames Dong 268000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int32_t getStartTimeOffsetScaledTime() const; 269000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 27020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber static void *ThreadWrapper(void *me); 27137187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t threadEntry(); 27220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2733266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *parseParamSet( 2743266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *data, size_t length, int type, size_t *paramSetLen); 2753266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 276b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong status_t makeAVCCodecSpecificData(const uint8_t *data, size_t size); 277b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong status_t copyAVCCodecSpecificData(const uint8_t *data, size_t size); 278b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong status_t parseAVCCodecSpecificData(const uint8_t *data, size_t size); 279215381ea729086b8359b7f59bdc2bd7cf55a0c45James Dong 280215381ea729086b8359b7f59bdc2bd7cf55a0c45James Dong // Track authoring progress status 281faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong void trackProgressStatus(int64_t timeUs, status_t err = OK); 28293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong void initTrackingProgressStatus(MetaData *params); 28303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 28419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber void getCodecSpecificDataFromInputFormatIfPossible(); 28519c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber 286c059860c73678a202bfa33062723e8f82fb779d9James Dong // Determine the track time scale 287c059860c73678a202bfa33062723e8f82fb779d9James Dong // If it is an audio track, try to use the sampling rate as 288c059860c73678a202bfa33062723e8f82fb779d9James Dong // the time scale; however, if user chooses the overwrite 289c059860c73678a202bfa33062723e8f82fb779d9James Dong // value, the user-supplied time scale will be used. 290c059860c73678a202bfa33062723e8f82fb779d9James Dong void setTimeScale(); 291c059860c73678a202bfa33062723e8f82fb779d9James Dong 292690f546b0ee548dbfe997df36418e5302ec2d786James Dong // Simple validation on the codec specific data 293690f546b0ee548dbfe997df36418e5302ec2d786James Dong status_t checkCodecSpecificData() const; 29413f6284305e4b27395a23db7882d670bdb1bcae1James Dong int32_t mRotation; 295690f546b0ee548dbfe997df36418e5302ec2d786James Dong 2961f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong void updateTrackSizeEstimate(); 2971f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong void addOneStscTableEntry(size_t chunkId, size_t sampleId); 2981f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong void addOneStssTableEntry(size_t sampleId); 29979761ab096f57c3027fad9556c2bc436672d614eJames Dong 30079761ab096f57c3027fad9556c2bc436672d614eJames Dong // Duration is time scale based 30179761ab096f57c3027fad9556c2bc436672d614eJames Dong void addOneSttsTableEntry(size_t sampleCount, int32_t timescaledDur); 302965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong void addOneCttsTableEntry(size_t sampleCount, int32_t timescaledDur); 30345c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 30445c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong bool isTrackMalFormed() const; 30543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong void sendTrackSummary(bool hasMultipleTracks); 3061f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 307b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Write the boxes 308b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeStcoBox(bool use32BitOffset); 309b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeStscBox(); 310b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeStszBox(); 311b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeStssBox(); 312b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeSttsBox(); 313965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong void writeCttsBox(); 314b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeD263Box(); 315b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writePaspBox(); 316b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeAvccBox(); 317b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeUrlBox(); 318b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeDrefBox(); 319b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeDinfBox(); 320b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeDamrBox(); 321efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson void writeMdhdBox(uint32_t now); 322b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeSmhdBox(); 323b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeVmhdBox(); 324b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeHdlrBox(); 325efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson void writeTkhdBox(uint32_t now); 326b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeMp4aEsdsBox(); 327b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeMp4vEsdsBox(); 328b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeAudioFourCCBox(); 329b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeVideoFourCCBox(); 330b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeStblBox(bool use32BitOffset); 331b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 33220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track(const Track &); 33320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track &operator=(const Track &); 33420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 33520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 33620111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Writer::MPEG4Writer(const char *filename) 337674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong : mFd(-1), 338674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong mInitCheck(NO_INIT), 339de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui mIsRealTimeRecording(true), 340b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong mUse4ByteNalLength(true), 3411acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong mUse32BitOffset(true), 342a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong mIsFileSizeLimitExplicitlyRequested(false), 343a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused(false), 344a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mStarted(false), 345411ba422e3635d534928ffd81abf54f4f291c739James Dong mWriterThreadStarted(false), 34620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mOffset(0), 34713aec890216948b0c364f8f92792129d0335f506James Dong mMdatOffset(0), 3487837c17063a4c50bc856ba59418516fdab731de7James Dong mEstimatedMoovBoxSize(0), 34907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mInterleaveDurationUs(1000000), 35007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLatitudex10000(0), 35107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLongitudex10000(0), 35286b7f47aa7482424cf8fd248f1315311919be3b0James Dong mAreGeoTagsAvailable(false), 35386b7f47aa7482424cf8fd248f1315311919be3b0James Dong mStartTimeOffsetMs(-1) { 354674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong 355af8e8aa1ada2948972555592570ec9ad90cbf372Nick Kralevich mFd = open(filename, O_CREAT | O_LARGEFILE | O_TRUNC | O_RDWR, S_IRUSR | S_IWUSR); 356674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mFd >= 0) { 357674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong mInitCheck = OK; 358674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong } 35920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 36020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 36130ab66297501757d745b9ae10da61adcd891f497Andreas HuberMPEG4Writer::MPEG4Writer(int fd) 362674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong : mFd(dup(fd)), 363674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong mInitCheck(mFd < 0? NO_INIT: OK), 364de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui mIsRealTimeRecording(true), 365b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong mUse4ByteNalLength(true), 3661acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong mUse32BitOffset(true), 367a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong mIsFileSizeLimitExplicitlyRequested(false), 368a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused(false), 369a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mStarted(false), 370411ba422e3635d534928ffd81abf54f4f291c739James Dong mWriterThreadStarted(false), 37130ab66297501757d745b9ae10da61adcd891f497Andreas Huber mOffset(0), 37213aec890216948b0c364f8f92792129d0335f506James Dong mMdatOffset(0), 3737837c17063a4c50bc856ba59418516fdab731de7James Dong mEstimatedMoovBoxSize(0), 37407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mInterleaveDurationUs(1000000), 37507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLatitudex10000(0), 37607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLongitudex10000(0), 37786b7f47aa7482424cf8fd248f1315311919be3b0James Dong mAreGeoTagsAvailable(false), 37886b7f47aa7482424cf8fd248f1315311919be3b0James Dong mStartTimeOffsetMs(-1) { 37930ab66297501757d745b9ae10da61adcd891f497Andreas Huber} 38030ab66297501757d745b9ae10da61adcd891f497Andreas Huber 38120111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Writer::~MPEG4Writer() { 3828bcc65c753085fe3328592cceda0cf0e8f8b0a45James Dong reset(); 38320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3841f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong while (!mTracks.empty()) { 3851f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong List<Track *>::iterator it = mTracks.begin(); 38620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber delete *it; 3871f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong (*it) = NULL; 3881f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong mTracks.erase(it); 38920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 39020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mTracks.clear(); 39120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 39220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 393dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dongstatus_t MPEG4Writer::dump( 394dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong int fd, const Vector<String16>& args) { 395dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong const size_t SIZE = 256; 396dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong char buffer[SIZE]; 397dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong String8 result; 398dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong snprintf(buffer, SIZE, " MPEG4Writer %p\n", this); 399dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong result.append(buffer); 400dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong snprintf(buffer, SIZE, " mStarted: %s\n", mStarted? "true": "false"); 401dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong result.append(buffer); 402dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong ::write(fd, result.string(), result.size()); 403dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong for (List<Track *>::iterator it = mTracks.begin(); 404dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong it != mTracks.end(); ++it) { 405dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong (*it)->dump(fd, args); 406dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong } 407dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong return OK; 408dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong} 409dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong 410dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dongstatus_t MPEG4Writer::Track::dump( 411dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong int fd, const Vector<String16>& args) const { 412dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong const size_t SIZE = 256; 413dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong char buffer[SIZE]; 414dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong String8 result; 415dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong snprintf(buffer, SIZE, " %s track\n", mIsAudio? "Audio": "Video"); 416dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong result.append(buffer); 417dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong snprintf(buffer, SIZE, " reached EOS: %s\n", 418dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong mReachedEOS? "true": "false"); 419dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong result.append(buffer); 420c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong snprintf(buffer, SIZE, " frames encoded : %d\n", mStszTableEntries->count()); 42113210f3346462a86ce9fe3af72a0c200dba84e27James Dong result.append(buffer); 42213210f3346462a86ce9fe3af72a0c200dba84e27James Dong snprintf(buffer, SIZE, " duration encoded : %lld us\n", mTrackDurationUs); 42313210f3346462a86ce9fe3af72a0c200dba84e27James Dong result.append(buffer); 424dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong ::write(fd, result.string(), result.size()); 425dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong return OK; 426dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong} 427dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong 4282dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huberstatus_t MPEG4Writer::addSource(const sp<MediaSource> &source) { 429bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong Mutex::Autolock l(mLock); 430bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong if (mStarted) { 43129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Attempt to add source AFTER recording is started"); 432bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong return UNKNOWN_ERROR; 433bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong } 434acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 435acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // At most 2 tracks can be supported. 436acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong if (mTracks.size() >= 2) { 437acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong ALOGE("Too many tracks (%d) to add", mTracks.size()); 438acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong return ERROR_UNSUPPORTED; 439acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong } 440acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 441acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong CHECK(source.get() != NULL); 442acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 443acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // A track of type other than video or audio is not supported. 444acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong const char *mime; 445acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong source->getFormat()->findCString(kKeyMIMEType, &mime); 446acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong bool isAudio = !strncasecmp(mime, "audio/", 6); 447acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong bool isVideo = !strncasecmp(mime, "video/", 6); 448acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong if (!isAudio && !isVideo) { 449acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong ALOGE("Track (%s) other than video or audio is not supported", 450acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong mime); 451acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong return ERROR_UNSUPPORTED; 452acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong } 453acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 454acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // At this point, we know the track to be added is either 455acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // video or audio. Thus, we only need to check whether it 456acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // is an audio track or not (if it is not, then it must be 457acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // a video track). 458acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 459acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // No more than one video or one audio track is supported. 460acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong for (List<Track*>::iterator it = mTracks.begin(); 461acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong it != mTracks.end(); ++it) { 462acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong if ((*it)->isAudio() == isAudio) { 463acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong ALOGE("%s track already exists", isAudio? "Audio": "Video"); 464acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong return ERROR_UNSUPPORTED; 465acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong } 466acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong } 467acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 468acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // This is the first track of either audio or video. 469acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong // Go ahead to add the track. 470219f195159f93d627af2b243732e3f9020511a46James Dong Track *track = new Track(this, source, 1 + mTracks.size()); 47120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mTracks.push_back(track); 4722dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huber 4732dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huber return OK; 47420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 47520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 47693d6b102a13afa23bfa80d74c399d93d542e6ad6James Dongstatus_t MPEG4Writer::startTracks(MetaData *params) { 477acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong if (mTracks.empty()) { 478acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong ALOGE("No source added"); 479acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong return INVALID_OPERATION; 480acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong } 481acc47642e0f5d962f6289e6ba687fabf68f8312bJames Dong 482a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong for (List<Track *>::iterator it = mTracks.begin(); 483a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong it != mTracks.end(); ++it) { 48493d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong status_t err = (*it)->start(params); 485a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 486a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (err != OK) { 487a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong for (List<Track *>::iterator it2 = mTracks.begin(); 488a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong it2 != it; ++it2) { 489a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong (*it2)->stop(); 490a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 491a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 492a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong return err; 493a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 494a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 495a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong return OK; 496a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong} 497a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 4982dec2b5be2056c6d9428897dc672185872d30d17James Dongint64_t MPEG4Writer::estimateMoovBoxSize(int32_t bitRate) { 4992dec2b5be2056c6d9428897dc672185872d30d17James Dong // This implementation is highly experimental/heurisitic. 5002dec2b5be2056c6d9428897dc672185872d30d17James Dong // 5012dec2b5be2056c6d9428897dc672185872d30d17James Dong // Statistical analysis shows that metadata usually accounts 5022dec2b5be2056c6d9428897dc672185872d30d17James Dong // for a small portion of the total file size, usually < 0.6%. 5032dec2b5be2056c6d9428897dc672185872d30d17James Dong 50478a1a286f736888ae7af8860b2c424af0d978848James Dong // The default MIN_MOOV_BOX_SIZE is set to 0.6% x 1MB / 2, 5052dec2b5be2056c6d9428897dc672185872d30d17James Dong // where 1MB is the common file size limit for MMS application. 50678a1a286f736888ae7af8860b2c424af0d978848James Dong // The default MAX _MOOV_BOX_SIZE value is based on about 3 5072dec2b5be2056c6d9428897dc672185872d30d17James Dong // minute video recording with a bit rate about 3 Mbps, because 5082dec2b5be2056c6d9428897dc672185872d30d17James Dong // statistics also show that most of the video captured are going 5092dec2b5be2056c6d9428897dc672185872d30d17James Dong // to be less than 3 minutes. 5102dec2b5be2056c6d9428897dc672185872d30d17James Dong 5112dec2b5be2056c6d9428897dc672185872d30d17James Dong // If the estimation is wrong, we will pay the price of wasting 5122dec2b5be2056c6d9428897dc672185872d30d17James Dong // some reserved space. This should not happen so often statistically. 5132dec2b5be2056c6d9428897dc672185872d30d17James Dong static const int32_t factor = mUse32BitOffset? 1: 2; 51478a1a286f736888ae7af8860b2c424af0d978848James Dong static const int64_t MIN_MOOV_BOX_SIZE = 3 * 1024; // 3 KB 5152dec2b5be2056c6d9428897dc672185872d30d17James Dong static const int64_t MAX_MOOV_BOX_SIZE = (180 * 3000000 * 6LL / 8000); 5162dec2b5be2056c6d9428897dc672185872d30d17James Dong int64_t size = MIN_MOOV_BOX_SIZE; 5172dec2b5be2056c6d9428897dc672185872d30d17James Dong 51878a1a286f736888ae7af8860b2c424af0d978848James Dong // Max file size limit is set 519a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong if (mMaxFileSizeLimitBytes != 0 && mIsFileSizeLimitExplicitlyRequested) { 52078a1a286f736888ae7af8860b2c424af0d978848James Dong size = mMaxFileSizeLimitBytes * 6 / 1000; 52178a1a286f736888ae7af8860b2c424af0d978848James Dong } 52278a1a286f736888ae7af8860b2c424af0d978848James Dong 52378a1a286f736888ae7af8860b2c424af0d978848James Dong // Max file duration limit is set 52478a1a286f736888ae7af8860b2c424af0d978848James Dong if (mMaxFileDurationLimitUs != 0) { 52578a1a286f736888ae7af8860b2c424af0d978848James Dong if (bitRate > 0) { 52678a1a286f736888ae7af8860b2c424af0d978848James Dong int64_t size2 = 52778a1a286f736888ae7af8860b2c424af0d978848James Dong ((mMaxFileDurationLimitUs * bitRate * 6) / 1000 / 8000000); 52878a1a286f736888ae7af8860b2c424af0d978848James Dong if (mMaxFileSizeLimitBytes != 0 && mIsFileSizeLimitExplicitlyRequested) { 52978a1a286f736888ae7af8860b2c424af0d978848James Dong // When both file size and duration limits are set, 53078a1a286f736888ae7af8860b2c424af0d978848James Dong // we use the smaller limit of the two. 53178a1a286f736888ae7af8860b2c424af0d978848James Dong if (size > size2) { 53278a1a286f736888ae7af8860b2c424af0d978848James Dong size = size2; 53378a1a286f736888ae7af8860b2c424af0d978848James Dong } 53478a1a286f736888ae7af8860b2c424af0d978848James Dong } else { 53578a1a286f736888ae7af8860b2c424af0d978848James Dong // Only max file duration limit is set 53678a1a286f736888ae7af8860b2c424af0d978848James Dong size = size2; 53778a1a286f736888ae7af8860b2c424af0d978848James Dong } 5382dec2b5be2056c6d9428897dc672185872d30d17James Dong } 5392dec2b5be2056c6d9428897dc672185872d30d17James Dong } 54078a1a286f736888ae7af8860b2c424af0d978848James Dong 5412dec2b5be2056c6d9428897dc672185872d30d17James Dong if (size < MIN_MOOV_BOX_SIZE) { 5422dec2b5be2056c6d9428897dc672185872d30d17James Dong size = MIN_MOOV_BOX_SIZE; 5432dec2b5be2056c6d9428897dc672185872d30d17James Dong } 5442dec2b5be2056c6d9428897dc672185872d30d17James Dong 5452dec2b5be2056c6d9428897dc672185872d30d17James Dong // Any long duration recording will be probably end up with 5462dec2b5be2056c6d9428897dc672185872d30d17James Dong // non-streamable mp4 file. 5472dec2b5be2056c6d9428897dc672185872d30d17James Dong if (size > MAX_MOOV_BOX_SIZE) { 5482dec2b5be2056c6d9428897dc672185872d30d17James Dong size = MAX_MOOV_BOX_SIZE; 5492dec2b5be2056c6d9428897dc672185872d30d17James Dong } 5502dec2b5be2056c6d9428897dc672185872d30d17James Dong 551df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("limits: %lld/%lld bytes/us, bit rate: %d bps and the estimated" 5522dec2b5be2056c6d9428897dc672185872d30d17James Dong " moov size %lld bytes", 5532dec2b5be2056c6d9428897dc672185872d30d17James Dong mMaxFileSizeLimitBytes, mMaxFileDurationLimitUs, bitRate, size); 5542dec2b5be2056c6d9428897dc672185872d30d17James Dong return factor * size; 5552dec2b5be2056c6d9428897dc672185872d30d17James Dong} 5562dec2b5be2056c6d9428897dc672185872d30d17James Dong 5572dec2b5be2056c6d9428897dc672185872d30d17James Dongstatus_t MPEG4Writer::start(MetaData *param) { 558674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mInitCheck != OK) { 55925b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return UNKNOWN_ERROR; 56020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 56120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 562a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong /* 563a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong * Check mMaxFileSizeLimitBytes at the beginning 564a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong * since mMaxFileSizeLimitBytes may be implicitly 565a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong * changed later for 32-bit file offset even if 566a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong * user does not ask to set it explicitly. 567a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong */ 568a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong if (mMaxFileSizeLimitBytes != 0) { 569a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong mIsFileSizeLimitExplicitlyRequested = true; 570a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong } 571a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong 5722dec2b5be2056c6d9428897dc672185872d30d17James Dong int32_t use64BitOffset; 5732dec2b5be2056c6d9428897dc672185872d30d17James Dong if (param && 5742dec2b5be2056c6d9428897dc672185872d30d17James Dong param->findInt32(kKey64BitFileOffset, &use64BitOffset) && 5752dec2b5be2056c6d9428897dc672185872d30d17James Dong use64BitOffset) { 5762dec2b5be2056c6d9428897dc672185872d30d17James Dong mUse32BitOffset = false; 5772dec2b5be2056c6d9428897dc672185872d30d17James Dong } 5782dec2b5be2056c6d9428897dc672185872d30d17James Dong 5791f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong if (mUse32BitOffset) { 5801f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong // Implicit 32 bit file size limit 5811f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong if (mMaxFileSizeLimitBytes == 0) { 5821f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong mMaxFileSizeLimitBytes = kMax32BitFileSize; 5831f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong } 5841f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 5851f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong // If file size is set to be larger than the 32 bit file 5861f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong // size limit, treat it as an error. 5871f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong if (mMaxFileSizeLimitBytes > kMax32BitFileSize) { 5885ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("32-bit file size limit (%lld bytes) too big. " 589d2518e0c0a5bffd30b0dccb04fe7bf5b77c354b1James Dong "It is changed to %lld bytes", 590d2518e0c0a5bffd30b0dccb04fe7bf5b77c354b1James Dong mMaxFileSizeLimitBytes, kMax32BitFileSize); 591d2518e0c0a5bffd30b0dccb04fe7bf5b77c354b1James Dong mMaxFileSizeLimitBytes = kMax32BitFileSize; 5921f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong } 5931f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong } 5941f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 595b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong int32_t use2ByteNalLength; 596b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong if (param && 597b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong param->findInt32(kKey2ByteNalLength, &use2ByteNalLength) && 598b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong use2ByteNalLength) { 599b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong mUse4ByteNalLength = false; 6002dec2b5be2056c6d9428897dc672185872d30d17James Dong } 6012dec2b5be2056c6d9428897dc672185872d30d17James Dong 602de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui int32_t isRealTimeRecording; 603de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (param && param->findInt32(kKeyRealTimeRecording, &isRealTimeRecording)) { 604de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui mIsRealTimeRecording = isRealTimeRecording; 605de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui } 606de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui 607065d1aff96818df54456053f1574aec8a234d0deJames Dong mStartTimestampUs = -1; 60893d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong 609a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (mStarted) { 610a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (mPaused) { 611a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused = false; 61293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong return startTracks(param); 613a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 614a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong return OK; 615a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 616a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 6178f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong if (!param || 6188f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong !param->findInt32(kKeyTimeScale, &mTimeScale)) { 6198f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong mTimeScale = 1000; 6208f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong } 62143089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GT(mTimeScale, 0); 6223856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("movie time scale: %d", mTimeScale); 6238f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong 62477e8ae9967a078770416619e99ddb5b010def312James Dong /* 62577e8ae9967a078770416619e99ddb5b010def312James Dong * When the requested file size limit is small, the priority 62677e8ae9967a078770416619e99ddb5b010def312James Dong * is to meet the file size limit requirement, rather than 6277b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * to make the file streamable. mStreamableFile does not tell 6287b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * whether the actual recorded file is streamable or not. 62977e8ae9967a078770416619e99ddb5b010def312James Dong */ 63077e8ae9967a078770416619e99ddb5b010def312James Dong mStreamableFile = 63177e8ae9967a078770416619e99ddb5b010def312James Dong (mMaxFileSizeLimitBytes != 0 && 63277e8ae9967a078770416619e99ddb5b010def312James Dong mMaxFileSizeLimitBytes >= kMinStreamableFileSizeInBytes); 63377e8ae9967a078770416619e99ddb5b010def312James Dong 6347b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong /* 6357b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * mWriteMoovBoxToMemory is true if the amount of data in moov box is 6367b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * smaller than the reserved free space at the beginning of a file, AND 6377b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * when the content of moov box is constructed. Note that video/audio 6387b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * frame data is always written to the file but not in the memory. 6397b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 6407b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * Before stop()/reset() is called, mWriteMoovBoxToMemory is always 6417b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * false. When reset() is called at the end of a recording session, 6427b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * Moov box needs to be constructed. 6437b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 6447b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 1) Right before a moov box is constructed, mWriteMoovBoxToMemory 6457b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * to set to mStreamableFile so that if 6467b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * the file is intended to be streamable, it is set to true; 6477b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * otherwise, it is set to false. When the value is set to false, 6487b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * all the content of the moov box is written immediately to 6497b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * the end of the file. When the value is set to true, all the 6507b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * content of the moov box is written to an in-memory cache, 6517b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * mMoovBoxBuffer, util the following condition happens. Note 6527b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * that the size of the in-memory cache is the same as the 6537b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * reserved free space at the beginning of the file. 6547b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 6557b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 2) While the data of the moov box is written to an in-memory 6567b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * cache, the data size is checked against the reserved space. 6577b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * If the data size surpasses the reserved space, subsequent moov 6587b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * data could no longer be hold in the in-memory cache. This also 6597b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * indicates that the reserved space was too small. At this point, 6607b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * _all_ moov data must be written to the end of the file. 6617b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * mWriteMoovBoxToMemory must be set to false to direct the write 6627b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * to the file. 6637b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 6647b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * 3) If the data size in moov box is smaller than the reserved 6657b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * space after moov box is completely constructed, the in-memory 6667b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * cache copy of the moov box is written to the reserved free 6677b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * space. Thus, immediately after the moov is completedly 6687b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong * constructed, mWriteMoovBoxToMemory is always set to false. 6697b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong */ 6707b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong mWriteMoovBoxToMemory = false; 6717837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBuffer = NULL; 6727837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBufferOffset = 0; 6737837c17063a4c50bc856ba59418516fdab731de7James Dong 674b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeFtypBox(param); 67520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6767837c17063a4c50bc856ba59418516fdab731de7James Dong mFreeBoxOffset = mOffset; 67720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6787837c17063a4c50bc856ba59418516fdab731de7James Dong if (mEstimatedMoovBoxSize == 0) { 6792dec2b5be2056c6d9428897dc672185872d30d17James Dong int32_t bitRate = -1; 6802dec2b5be2056c6d9428897dc672185872d30d17James Dong if (param) { 6812dec2b5be2056c6d9428897dc672185872d30d17James Dong param->findInt32(kKeyBitRate, &bitRate); 6822dec2b5be2056c6d9428897dc672185872d30d17James Dong } 6832dec2b5be2056c6d9428897dc672185872d30d17James Dong mEstimatedMoovBoxSize = estimateMoovBoxSize(bitRate); 6847837c17063a4c50bc856ba59418516fdab731de7James Dong } 68543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(mEstimatedMoovBoxSize, 8); 68677e8ae9967a078770416619e99ddb5b010def312James Dong if (mStreamableFile) { 68777e8ae9967a078770416619e99ddb5b010def312James Dong // Reserve a 'free' box only for streamable file 68877e8ae9967a078770416619e99ddb5b010def312James Dong lseek64(mFd, mFreeBoxOffset, SEEK_SET); 68977e8ae9967a078770416619e99ddb5b010def312James Dong writeInt32(mEstimatedMoovBoxSize); 69077e8ae9967a078770416619e99ddb5b010def312James Dong write("free", 4); 69177e8ae9967a078770416619e99ddb5b010def312James Dong mMdatOffset = mFreeBoxOffset + mEstimatedMoovBoxSize; 69277e8ae9967a078770416619e99ddb5b010def312James Dong } else { 69377e8ae9967a078770416619e99ddb5b010def312James Dong mMdatOffset = mOffset; 69477e8ae9967a078770416619e99ddb5b010def312James Dong } 6957837c17063a4c50bc856ba59418516fdab731de7James Dong 6967837c17063a4c50bc856ba59418516fdab731de7James Dong mOffset = mMdatOffset; 697c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mMdatOffset, SEEK_SET); 6981acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong if (mUse32BitOffset) { 6991acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong write("????mdat", 8); 7001acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong } else { 7011acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong write("\x00\x00\x00\x01mdat????????", 16); 7021acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong } 7031c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 7041c9747a4653aec1395c2bd6896c9b87cb5447837James Dong status_t err = startWriterThread(); 7051c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (err != OK) { 7061c9747a4653aec1395c2bd6896c9b87cb5447837James Dong return err; 7071c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 7081c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 7091c9747a4653aec1395c2bd6896c9b87cb5447837James Dong err = startTracks(param); 710a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (err != OK) { 711a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong return err; 71220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 7131c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 714a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mStarted = true; 71525b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return OK; 71620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 71720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7181f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dongbool MPEG4Writer::use32BitFileOffset() const { 7191f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong return mUse32BitOffset; 7201f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 7211f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 72237187916a486504acaf83bea30147eb5fbf46ae5James Dongstatus_t MPEG4Writer::pause() { 723674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mInitCheck != OK) { 72437187916a486504acaf83bea30147eb5fbf46ae5James Dong return OK; 725a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 726a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused = true; 72737187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t err = OK; 728a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong for (List<Track *>::iterator it = mTracks.begin(); 729a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong it != mTracks.end(); ++it) { 73037187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t status = (*it)->pause(); 73137187916a486504acaf83bea30147eb5fbf46ae5James Dong if (status != OK) { 73237187916a486504acaf83bea30147eb5fbf46ae5James Dong err = status; 73337187916a486504acaf83bea30147eb5fbf46ae5James Dong } 734a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 73537187916a486504acaf83bea30147eb5fbf46ae5James Dong return err; 736a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong} 737a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 7381c9747a4653aec1395c2bd6896c9b87cb5447837James Dongvoid MPEG4Writer::stopWriterThread() { 739b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("Stopping writer thread"); 740411ba422e3635d534928ffd81abf54f4f291c739James Dong if (!mWriterThreadStarted) { 741411ba422e3635d534928ffd81abf54f4f291c739James Dong return; 742411ba422e3635d534928ffd81abf54f4f291c739James Dong } 7431c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 7441c9747a4653aec1395c2bd6896c9b87cb5447837James Dong { 7451c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Mutex::Autolock autolock(mLock); 7461c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 7471c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mDone = true; 7481c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mChunkReadyCondition.signal(); 7491c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 7501c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 7511c9747a4653aec1395c2bd6896c9b87cb5447837James Dong void *dummy; 7521c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_join(mThread, &dummy); 753411ba422e3635d534928ffd81abf54f4f291c739James Dong mWriterThreadStarted = false; 754b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("Writer thread stopped"); 7551c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 7561c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 75713f6284305e4b27395a23db7882d670bdb1bcae1James Dong/* 75813f6284305e4b27395a23db7882d670bdb1bcae1James Dong * MP4 file standard defines a composition matrix: 75913f6284305e4b27395a23db7882d670bdb1bcae1James Dong * | a b u | 76013f6284305e4b27395a23db7882d670bdb1bcae1James Dong * | c d v | 76113f6284305e4b27395a23db7882d670bdb1bcae1James Dong * | x y w | 76213f6284305e4b27395a23db7882d670bdb1bcae1James Dong * 76313f6284305e4b27395a23db7882d670bdb1bcae1James Dong * the element in the matrix is stored in the following 76413f6284305e4b27395a23db7882d670bdb1bcae1James Dong * order: {a, b, u, c, d, v, x, y, w}, 76513f6284305e4b27395a23db7882d670bdb1bcae1James Dong * where a, b, c, d, x, and y is in 16.16 format, while 76613f6284305e4b27395a23db7882d670bdb1bcae1James Dong * u, v and w is in 2.30 format. 76713f6284305e4b27395a23db7882d670bdb1bcae1James Dong */ 76813f6284305e4b27395a23db7882d670bdb1bcae1James Dongvoid MPEG4Writer::writeCompositionMatrix(int degrees) { 7693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("writeCompositionMatrix"); 77013f6284305e4b27395a23db7882d670bdb1bcae1James Dong uint32_t a = 0x00010000; 77113f6284305e4b27395a23db7882d670bdb1bcae1James Dong uint32_t b = 0; 77213f6284305e4b27395a23db7882d670bdb1bcae1James Dong uint32_t c = 0; 77313f6284305e4b27395a23db7882d670bdb1bcae1James Dong uint32_t d = 0x00010000; 77413f6284305e4b27395a23db7882d670bdb1bcae1James Dong switch (degrees) { 77513f6284305e4b27395a23db7882d670bdb1bcae1James Dong case 0: 77613f6284305e4b27395a23db7882d670bdb1bcae1James Dong break; 77713f6284305e4b27395a23db7882d670bdb1bcae1James Dong case 90: 77813f6284305e4b27395a23db7882d670bdb1bcae1James Dong a = 0; 77913f6284305e4b27395a23db7882d670bdb1bcae1James Dong b = 0x00010000; 78013f6284305e4b27395a23db7882d670bdb1bcae1James Dong c = 0xFFFF0000; 78113f6284305e4b27395a23db7882d670bdb1bcae1James Dong d = 0; 78213f6284305e4b27395a23db7882d670bdb1bcae1James Dong break; 78313f6284305e4b27395a23db7882d670bdb1bcae1James Dong case 180: 78413f6284305e4b27395a23db7882d670bdb1bcae1James Dong a = 0xFFFF0000; 78513f6284305e4b27395a23db7882d670bdb1bcae1James Dong d = 0xFFFF0000; 78613f6284305e4b27395a23db7882d670bdb1bcae1James Dong break; 78713f6284305e4b27395a23db7882d670bdb1bcae1James Dong case 270: 78813f6284305e4b27395a23db7882d670bdb1bcae1James Dong a = 0; 78913f6284305e4b27395a23db7882d670bdb1bcae1James Dong b = 0xFFFF0000; 79013f6284305e4b27395a23db7882d670bdb1bcae1James Dong c = 0x00010000; 79113f6284305e4b27395a23db7882d670bdb1bcae1James Dong d = 0; 79213f6284305e4b27395a23db7882d670bdb1bcae1James Dong break; 79313f6284305e4b27395a23db7882d670bdb1bcae1James Dong default: 79413f6284305e4b27395a23db7882d670bdb1bcae1James Dong CHECK(!"Should never reach this unknown rotation"); 79513f6284305e4b27395a23db7882d670bdb1bcae1James Dong break; 79613f6284305e4b27395a23db7882d670bdb1bcae1James Dong } 79713f6284305e4b27395a23db7882d670bdb1bcae1James Dong 79813f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(a); // a 79913f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(b); // b 80013f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(0); // u 80113f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(c); // c 80213f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(d); // d 80313f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(0); // v 80413f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(0); // x 80513f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(0); // y 80613f6284305e4b27395a23db7882d670bdb1bcae1James Dong writeInt32(0x40000000); // w 80713f6284305e4b27395a23db7882d670bdb1bcae1James Dong} 80813f6284305e4b27395a23db7882d670bdb1bcae1James Dong 809411ba422e3635d534928ffd81abf54f4f291c739James Dongvoid MPEG4Writer::release() { 810411ba422e3635d534928ffd81abf54f4f291c739James Dong close(mFd); 811411ba422e3635d534928ffd81abf54f4f291c739James Dong mFd = -1; 812411ba422e3635d534928ffd81abf54f4f291c739James Dong mInitCheck = NO_INIT; 813411ba422e3635d534928ffd81abf54f4f291c739James Dong mStarted = false; 814411ba422e3635d534928ffd81abf54f4f291c739James Dong} 81513f6284305e4b27395a23db7882d670bdb1bcae1James Dong 8168bcc65c753085fe3328592cceda0cf0e8f8b0a45James Dongstatus_t MPEG4Writer::reset() { 817674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mInitCheck != OK) { 81837187916a486504acaf83bea30147eb5fbf46ae5James Dong return OK; 819411ba422e3635d534928ffd81abf54f4f291c739James Dong } else { 820411ba422e3635d534928ffd81abf54f4f291c739James Dong if (!mWriterThreadStarted || 821411ba422e3635d534928ffd81abf54f4f291c739James Dong !mStarted) { 822411ba422e3635d534928ffd81abf54f4f291c739James Dong if (mWriterThreadStarted) { 823411ba422e3635d534928ffd81abf54f4f291c739James Dong stopWriterThread(); 824411ba422e3635d534928ffd81abf54f4f291c739James Dong } 825411ba422e3635d534928ffd81abf54f4f291c739James Dong release(); 826411ba422e3635d534928ffd81abf54f4f291c739James Dong return OK; 827411ba422e3635d534928ffd81abf54f4f291c739James Dong } 82820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 82920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 83037187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t err = OK; 8318f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int64_t maxDurationUs = 0; 83265b3d76025c71d755b0fb3b6ead90255f25417edJames Dong int64_t minDurationUs = 0x7fffffffffffffffLL; 83320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (List<Track *>::iterator it = mTracks.begin(); 83420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber it != mTracks.end(); ++it) { 83537187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t status = (*it)->stop(); 83637187916a486504acaf83bea30147eb5fbf46ae5James Dong if (err == OK && status != OK) { 83737187916a486504acaf83bea30147eb5fbf46ae5James Dong err = status; 83837187916a486504acaf83bea30147eb5fbf46ae5James Dong } 83920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8408f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int64_t durationUs = (*it)->getDurationUs(); 8418f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong if (durationUs > maxDurationUs) { 8428f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong maxDurationUs = durationUs; 84320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 84465b3d76025c71d755b0fb3b6ead90255f25417edJames Dong if (durationUs < minDurationUs) { 84565b3d76025c71d755b0fb3b6ead90255f25417edJames Dong minDurationUs = durationUs; 84665b3d76025c71d755b0fb3b6ead90255f25417edJames Dong } 84765b3d76025c71d755b0fb3b6ead90255f25417edJames Dong } 84865b3d76025c71d755b0fb3b6ead90255f25417edJames Dong 84965b3d76025c71d755b0fb3b6ead90255f25417edJames Dong if (mTracks.size() > 1) { 850b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("Duration from tracks range is [%lld, %lld] us", 85165b3d76025c71d755b0fb3b6ead90255f25417edJames Dong minDurationUs, maxDurationUs); 85220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 85320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8541c9747a4653aec1395c2bd6896c9b87cb5447837James Dong stopWriterThread(); 8557837c17063a4c50bc856ba59418516fdab731de7James Dong 85637187916a486504acaf83bea30147eb5fbf46ae5James Dong // Do not write out movie header on error. 85737187916a486504acaf83bea30147eb5fbf46ae5James Dong if (err != OK) { 858411ba422e3635d534928ffd81abf54f4f291c739James Dong release(); 85937187916a486504acaf83bea30147eb5fbf46ae5James Dong return err; 86037187916a486504acaf83bea30147eb5fbf46ae5James Dong } 86137187916a486504acaf83bea30147eb5fbf46ae5James Dong 86220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Fix up the size of the 'mdat' chunk. 8631acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong if (mUse32BitOffset) { 864c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mMdatOffset, SEEK_SET); 865f622e2c78407b50806a53a06a89b2b6546420f55Rachad uint32_t size = htonl(static_cast<uint32_t>(mOffset - mMdatOffset)); 866c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &size, 4); 8671acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong } else { 868c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mMdatOffset + 8, SEEK_SET); 869f622e2c78407b50806a53a06a89b2b6546420f55Rachad uint64_t size = mOffset - mMdatOffset; 8701acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong size = hton64(size); 871c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &size, 8); 8721acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong } 873c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mOffset, SEEK_SET); 87420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8757b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // Construct moov box now 8767837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBufferOffset = 0; 8777b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong mWriteMoovBoxToMemory = mStreamableFile; 8787b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong if (mWriteMoovBoxToMemory) { 8797b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // There is no need to allocate in-memory cache 8807b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // for moov box if the file is not streamable. 8817b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong 8827b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong mMoovBoxBuffer = (uint8_t *) malloc(mEstimatedMoovBoxSize); 8837b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong CHECK(mMoovBoxBuffer != NULL); 8847b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong } 885b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeMoovBox(maxDurationUs); 88620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8877b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // mWriteMoovBoxToMemory could be set to false in 8887b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // MPEG4Writer::write() method 8897b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong if (mWriteMoovBoxToMemory) { 8907b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong mWriteMoovBoxToMemory = false; 8917b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // Content of the moov box is saved in the cache, and the in-memory 8927b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // moov box needs to be written to the file in a single shot. 8937b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong 89443089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_LE(mMoovBoxBufferOffset + 8, mEstimatedMoovBoxSize); 8957837c17063a4c50bc856ba59418516fdab731de7James Dong 8967837c17063a4c50bc856ba59418516fdab731de7James Dong // Moov box 897c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mFreeBoxOffset, SEEK_SET); 8987837c17063a4c50bc856ba59418516fdab731de7James Dong mOffset = mFreeBoxOffset; 899674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(mMoovBoxBuffer, 1, mMoovBoxBufferOffset); 9007837c17063a4c50bc856ba59418516fdab731de7James Dong 9017837c17063a4c50bc856ba59418516fdab731de7James Dong // Free box 902c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mOffset, SEEK_SET); 9037837c17063a4c50bc856ba59418516fdab731de7James Dong writeInt32(mEstimatedMoovBoxSize - mMoovBoxBufferOffset); 9047837c17063a4c50bc856ba59418516fdab731de7James Dong write("free", 4); 9057b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong } else { 9067b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong ALOGI("The mp4 file will not be streamable."); 9077b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong } 9087837c17063a4c50bc856ba59418516fdab731de7James Dong 9097b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // Free in-memory cache for moov box 9107b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong if (mMoovBoxBuffer != NULL) { 9117837c17063a4c50bc856ba59418516fdab731de7James Dong free(mMoovBoxBuffer); 9127837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBuffer = NULL; 9137837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBufferOffset = 0; 9147837c17063a4c50bc856ba59418516fdab731de7James Dong } 9157837c17063a4c50bc856ba59418516fdab731de7James Dong 9160c89199745bc1bf05b997fc7c342017807676b6fAndreas Huber CHECK(mBoxes.empty()); 91720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 918411ba422e3635d534928ffd81abf54f4f291c739James Dong release(); 91937187916a486504acaf83bea30147eb5fbf46ae5James Dong return err; 92020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 92120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 922efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlssonuint32_t MPEG4Writer::getMpeg4Time() { 923b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong time_t now = time(NULL); 924efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson // MP4 file uses time counting seconds since midnight, Jan. 1, 1904 925efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson // while time function returns Unix epoch values which starts 926efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson // at 1970-01-01. Lets add the number of seconds between them 927efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson uint32_t mpeg4Time = now + (66 * 365 + 17) * (24 * 60 * 60); 928efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson return mpeg4Time; 929efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson} 930efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson 931efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlssonvoid MPEG4Writer::writeMvhdBox(int64_t durationUs) { 932efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson uint32_t now = getMpeg4Time(); 933b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong beginBox("mvhd"); 934b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // version=0, flags=0 935b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(now); // creation time 936b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(now); // modification time 937b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(mTimeScale); // mvhd timescale 938b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t duration = (durationUs * mTimeScale + 5E5) / 1E6; 939b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(duration); 940b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0x10000); // rate: 1.0 941b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt16(0x100); // volume 942b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt16(0); // reserved 943b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // reserved 944b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // reserved 945b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeCompositionMatrix(0); // matrix 946b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 947b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 948b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 949b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 950b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 951b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); // predefined 952b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(mTracks.size() + 1); // nextTrackID 953b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong endBox(); // mvhd 954b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 955b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 956b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::writeMoovBox(int64_t durationUs) { 957b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong beginBox("moov"); 958b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeMvhdBox(durationUs); 95907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (mAreGeoTagsAvailable) { 96007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeUdtaBox(); 96107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 962b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t id = 1; 963b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong for (List<Track *>::iterator it = mTracks.begin(); 964b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong it != mTracks.end(); ++it, ++id) { 965b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong (*it)->writeTrackHeader(mUse32BitOffset); 966b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 967b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong endBox(); // moov 968b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 969b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 9702cf9c5073ca3342ee52673ad68763fadd2c2be79James Dongvoid MPEG4Writer::writeFtypBox(MetaData *param) { 971b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong beginBox("ftyp"); 972b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 973b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t fileType; 974b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (param && param->findInt32(kKeyFileType, &fileType) && 975b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong fileType != OUTPUT_FORMAT_MPEG_4) { 976b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeFourcc("3gp4"); 977b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 978b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeFourcc("isom"); 979b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 980b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 981b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeInt32(0); 982b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeFourcc("isom"); 983b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeFourcc("3gp4"); 984b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong endBox(); 985b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 986b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 98707ec01904613a0bac32caaa8444b4690998faed7James Dongstatic bool isTestModeEnabled() { 98807ec01904613a0bac32caaa8444b4690998faed7James Dong#if (PROPERTY_VALUE_MAX < 5) 98907ec01904613a0bac32caaa8444b4690998faed7James Dong#error "PROPERTY_VALUE_MAX must be at least 5" 99007ec01904613a0bac32caaa8444b4690998faed7James Dong#endif 99107ec01904613a0bac32caaa8444b4690998faed7James Dong 99207ec01904613a0bac32caaa8444b4690998faed7James Dong // Test mode is enabled only if rw.media.record.test system 99307ec01904613a0bac32caaa8444b4690998faed7James Dong // property is enabled. 99407ec01904613a0bac32caaa8444b4690998faed7James Dong char value[PROPERTY_VALUE_MAX]; 99507ec01904613a0bac32caaa8444b4690998faed7James Dong if (property_get("rw.media.record.test", value, NULL) && 99607ec01904613a0bac32caaa8444b4690998faed7James Dong (!strcasecmp(value, "true") || !strcasecmp(value, "1"))) { 99707ec01904613a0bac32caaa8444b4690998faed7James Dong return true; 99807ec01904613a0bac32caaa8444b4690998faed7James Dong } 99907ec01904613a0bac32caaa8444b4690998faed7James Dong return false; 100007ec01904613a0bac32caaa8444b4690998faed7James Dong} 100107ec01904613a0bac32caaa8444b4690998faed7James Dong 100270ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dongvoid MPEG4Writer::sendSessionSummary() { 100307ec01904613a0bac32caaa8444b4690998faed7James Dong // Send session summary only if test mode is enabled 100407ec01904613a0bac32caaa8444b4690998faed7James Dong if (!isTestModeEnabled()) { 100507ec01904613a0bac32caaa8444b4690998faed7James Dong return; 100607ec01904613a0bac32caaa8444b4690998faed7James Dong } 100707ec01904613a0bac32caaa8444b4690998faed7James Dong 100870ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); 100970ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong it != mChunkInfos.end(); ++it) { 101070ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int trackNum = it->mTrack->getTrackId() << 28; 101170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 101270ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong trackNum | MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS, 101370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong it->mMaxInterChunkDurUs); 101470ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong } 101570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong} 101670ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 101713aec890216948b0c364f8f92792129d0335f506James Dongstatus_t MPEG4Writer::setInterleaveDuration(uint32_t durationUs) { 101813aec890216948b0c364f8f92792129d0335f506James Dong mInterleaveDurationUs = durationUs; 101913aec890216948b0c364f8f92792129d0335f506James Dong return OK; 102013aec890216948b0c364f8f92792129d0335f506James Dong} 102113aec890216948b0c364f8f92792129d0335f506James Dong 102213aec890216948b0c364f8f92792129d0335f506James Dongvoid MPEG4Writer::lock() { 102313aec890216948b0c364f8f92792129d0335f506James Dong mLock.lock(); 102413aec890216948b0c364f8f92792129d0335f506James Dong} 102513aec890216948b0c364f8f92792129d0335f506James Dong 102613aec890216948b0c364f8f92792129d0335f506James Dongvoid MPEG4Writer::unlock() { 102713aec890216948b0c364f8f92792129d0335f506James Dong mLock.unlock(); 102813aec890216948b0c364f8f92792129d0335f506James Dong} 102920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1030c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongoff64_t MPEG4Writer::addSample_l(MediaBuffer *buffer) { 1031c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t old_offset = mOffset; 103220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1033c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, 1034c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong (const uint8_t *)buffer->data() + buffer->range_offset(), 1035c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong buffer->range_length()); 103620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 103720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mOffset += buffer->range_length(); 103820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 103920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return old_offset; 104020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 104120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 104203b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huberstatic void StripStartcode(MediaBuffer *buffer) { 104303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber if (buffer->range_length() < 4) { 104403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber return; 104503b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 104603b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 104703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber const uint8_t *ptr = 104803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber (const uint8_t *)buffer->data() + buffer->range_offset(); 104903b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 105003b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber if (!memcmp(ptr, "\x00\x00\x00\x01", 4)) { 105103b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber buffer->set_range( 105203b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber buffer->range_offset() + 4, buffer->range_length() - 4); 105303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 105403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber} 105503b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 1056c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongoff64_t MPEG4Writer::addLengthPrefixedSample_l(MediaBuffer *buffer) { 1057c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t old_offset = mOffset; 105830ab66297501757d745b9ae10da61adcd891f497Andreas Huber 105930ab66297501757d745b9ae10da61adcd891f497Andreas Huber size_t length = buffer->range_length(); 106003b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 1061b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong if (mUse4ByteNalLength) { 1062b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong uint8_t x = length >> 24; 1063c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1064b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong x = (length >> 16) & 0xff; 1065c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1066b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong x = (length >> 8) & 0xff; 1067c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1068b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong x = length & 0xff; 1069c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1070c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong 1071c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, 1072c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong (const uint8_t *)buffer->data() + buffer->range_offset(), 1073c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong length); 1074b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong 1075b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong mOffset += length + 4; 1076b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } else { 107743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_LT(length, 65536); 107830ab66297501757d745b9ae10da61adcd891f497Andreas Huber 1079b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong uint8_t x = length >> 8; 1080c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1081b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong x = length & 0xff; 1082c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, &x, 1); 1083c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong ::write(mFd, (const uint8_t *)buffer->data() + buffer->range_offset(), length); 1084b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong mOffset += length + 2; 1085b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } 108630ab66297501757d745b9ae10da61adcd891f497Andreas Huber 108730ab66297501757d745b9ae10da61adcd891f497Andreas Huber return old_offset; 108830ab66297501757d745b9ae10da61adcd891f497Andreas Huber} 108930ab66297501757d745b9ae10da61adcd891f497Andreas Huber 10907837c17063a4c50bc856ba59418516fdab731de7James Dongsize_t MPEG4Writer::write( 1091674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong const void *ptr, size_t size, size_t nmemb) { 10927837c17063a4c50bc856ba59418516fdab731de7James Dong 10937837c17063a4c50bc856ba59418516fdab731de7James Dong const size_t bytes = size * nmemb; 10947837c17063a4c50bc856ba59418516fdab731de7James Dong if (mWriteMoovBoxToMemory) { 10957b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong 1096c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t moovBoxSize = 8 + mMoovBoxBufferOffset + bytes; 10971acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong if (moovBoxSize > mEstimatedMoovBoxSize) { 10987b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // The reserved moov box at the beginning of the file 10997b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // is not big enough. Moov box should be written to 11007b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // the end of the file from now on, but not to the 11017b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // in-memory cache. 11027b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong 11037b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // We write partial moov box that is in the memory to 11047b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // the file first. 1105c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong for (List<off64_t>::iterator it = mBoxes.begin(); 11067837c17063a4c50bc856ba59418516fdab731de7James Dong it != mBoxes.end(); ++it) { 11077837c17063a4c50bc856ba59418516fdab731de7James Dong (*it) += mOffset; 11087837c17063a4c50bc856ba59418516fdab731de7James Dong } 1109674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong lseek64(mFd, mOffset, SEEK_SET); 1110674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong ::write(mFd, mMoovBoxBuffer, mMoovBoxBufferOffset); 11117b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong ::write(mFd, ptr, bytes); 11127837c17063a4c50bc856ba59418516fdab731de7James Dong mOffset += (bytes + mMoovBoxBufferOffset); 11137b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong 11147b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // All subsequent moov box content will be written 11157b670d4a0a4fa560f536f132e0a3fc7247f6724cJames Dong // to the end of the file. 11167837c17063a4c50bc856ba59418516fdab731de7James Dong mWriteMoovBoxToMemory = false; 11177837c17063a4c50bc856ba59418516fdab731de7James Dong } else { 11187837c17063a4c50bc856ba59418516fdab731de7James Dong memcpy(mMoovBoxBuffer + mMoovBoxBufferOffset, ptr, bytes); 11197837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBufferOffset += bytes; 11207837c17063a4c50bc856ba59418516fdab731de7James Dong } 11217837c17063a4c50bc856ba59418516fdab731de7James Dong } else { 1122674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong ::write(mFd, ptr, size * nmemb); 11237837c17063a4c50bc856ba59418516fdab731de7James Dong mOffset += bytes; 11247837c17063a4c50bc856ba59418516fdab731de7James Dong } 11257837c17063a4c50bc856ba59418516fdab731de7James Dong return bytes; 11267837c17063a4c50bc856ba59418516fdab731de7James Dong} 11277837c17063a4c50bc856ba59418516fdab731de7James Dong 112820111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::beginBox(const char *fourcc) { 11290c89199745bc1bf05b997fc7c342017807676b6fAndreas Huber CHECK_EQ(strlen(fourcc), 4); 113020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11317837c17063a4c50bc856ba59418516fdab731de7James Dong mBoxes.push_back(mWriteMoovBoxToMemory? 11327837c17063a4c50bc856ba59418516fdab731de7James Dong mMoovBoxBufferOffset: mOffset); 113320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 113420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber writeInt32(0); 113520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber writeFourcc(fourcc); 113620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 113720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 113820111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::endBox() { 11390c89199745bc1bf05b997fc7c342017807676b6fAndreas Huber CHECK(!mBoxes.empty()); 114020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1141c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset = *--mBoxes.end(); 114220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mBoxes.erase(--mBoxes.end()); 114320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11447837c17063a4c50bc856ba59418516fdab731de7James Dong if (mWriteMoovBoxToMemory) { 11457837c17063a4c50bc856ba59418516fdab731de7James Dong int32_t x = htonl(mMoovBoxBufferOffset - offset); 11467837c17063a4c50bc856ba59418516fdab731de7James Dong memcpy(mMoovBoxBuffer + offset, &x, 4); 11477837c17063a4c50bc856ba59418516fdab731de7James Dong } else { 1148c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, offset, SEEK_SET); 11497837c17063a4c50bc856ba59418516fdab731de7James Dong writeInt32(mOffset - offset); 11507837c17063a4c50bc856ba59418516fdab731de7James Dong mOffset -= 4; 1151c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong lseek64(mFd, mOffset, SEEK_SET); 11527837c17063a4c50bc856ba59418516fdab731de7James Dong } 115320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 115420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 115520111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeInt8(int8_t x) { 1156674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(&x, 1, 1); 115720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 115820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 115920111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeInt16(int16_t x) { 116020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber x = htons(x); 1161674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(&x, 1, 2); 116220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 116320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 116420111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeInt32(int32_t x) { 116520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber x = htonl(x); 1166674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(&x, 1, 4); 116720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 116820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 116920111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeInt64(int64_t x) { 117020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber x = hton64(x); 1171674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(&x, 1, 8); 117220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 117320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 117420111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeCString(const char *s) { 117520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber size_t n = strlen(s); 1176674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(s, 1, n + 1); 117720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 117820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 117920111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::writeFourcc(const char *s) { 11800c89199745bc1bf05b997fc7c342017807676b6fAndreas Huber CHECK_EQ(strlen(s), 4); 1181674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(s, 1, 4); 118220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 118320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 118407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 118507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong// Written in +/-DD.DDDD format 118607b1bb529a1ae76c46a71b01338c166f9490629dJames Dongvoid MPEG4Writer::writeLatitude(int degreex10000) { 118707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong bool isNegative = (degreex10000 < 0); 118807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong char sign = isNegative? '-': '+'; 118907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 119007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Handle the whole part 119107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong char str[9]; 119207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int wholePart = degreex10000 / 10000; 119307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (wholePart == 0) { 119407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(str, 5, "%c%.2d.", sign, wholePart); 119507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } else { 119607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(str, 5, "%+.2d.", wholePart); 119707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 119807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 119907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Handle the fractional part 120007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int fractionalPart = degreex10000 - (wholePart * 10000); 120107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (fractionalPart < 0) { 120207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong fractionalPart = -fractionalPart; 120307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 120407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(&str[4], 5, "%.4d", fractionalPart); 120507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 120607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Do not write the null terminator 120707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong write(str, 1, 8); 120807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong} 120907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 121007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong// Written in +/- DDD.DDDD format 121107b1bb529a1ae76c46a71b01338c166f9490629dJames Dongvoid MPEG4Writer::writeLongitude(int degreex10000) { 121207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong bool isNegative = (degreex10000 < 0); 121307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong char sign = isNegative? '-': '+'; 121407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 121507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Handle the whole part 121607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong char str[10]; 121707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int wholePart = degreex10000 / 10000; 121807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (wholePart == 0) { 121907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(str, 6, "%c%.3d.", sign, wholePart); 122007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } else { 122107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(str, 6, "%+.3d.", wholePart); 122207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 122307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 122407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Handle the fractional part 122507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int fractionalPart = degreex10000 - (wholePart * 10000); 122607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (fractionalPart < 0) { 122707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong fractionalPart = -fractionalPart; 122807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 122907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong snprintf(&str[5], 5, "%.4d", fractionalPart); 123007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 123107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Do not write the null terminator 123207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong write(str, 1, 9); 123307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong} 123407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 123507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong/* 123607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * Geodata is stored according to ISO-6709 standard. 123707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * latitudex10000 is latitude in degrees times 10000, and 123807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * longitudex10000 is longitude in degrees times 10000. 123907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * The range for the latitude is in [-90, +90], and 124007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * The range for the longitude is in [-180, +180] 124107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong */ 124207b1bb529a1ae76c46a71b01338c166f9490629dJames Dongstatus_t MPEG4Writer::setGeoData(int latitudex10000, int longitudex10000) { 124307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong // Is latitude or longitude out of range? 124407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong if (latitudex10000 < -900000 || latitudex10000 > 900000 || 124507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong longitudex10000 < -1800000 || longitudex10000 > 1800000) { 124607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong return BAD_VALUE; 124707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong } 124807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 124907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLatitudex10000 = latitudex10000; 125007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mLongitudex10000 = longitudex10000; 125107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong mAreGeoTagsAvailable = true; 125207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong return OK; 125307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong} 125407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 125520111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid MPEG4Writer::write(const void *data, size_t size) { 1256674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong write(data, 1, size); 125720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 125820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 125978a1a286f736888ae7af8860b2c424af0d978848James Dongbool MPEG4Writer::isFileStreamable() const { 126078a1a286f736888ae7af8860b2c424af0d978848James Dong return mStreamableFile; 126178a1a286f736888ae7af8860b2c424af0d978848James Dong} 126278a1a286f736888ae7af8860b2c424af0d978848James Dong 1263d599cd4573b5a2d5914c5040e0565ef866749b77James Dongbool MPEG4Writer::exceedsFileSizeLimit() { 1264d599cd4573b5a2d5914c5040e0565ef866749b77James Dong // No limit 1265d599cd4573b5a2d5914c5040e0565ef866749b77James Dong if (mMaxFileSizeLimitBytes == 0) { 1266d599cd4573b5a2d5914c5040e0565ef866749b77James Dong return false; 1267d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 1268d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 1269956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong int64_t nTotalBytesEstimate = static_cast<int64_t>(mEstimatedMoovBoxSize); 1270d599cd4573b5a2d5914c5040e0565ef866749b77James Dong for (List<Track *>::iterator it = mTracks.begin(); 1271d599cd4573b5a2d5914c5040e0565ef866749b77James Dong it != mTracks.end(); ++it) { 1272d599cd4573b5a2d5914c5040e0565ef866749b77James Dong nTotalBytesEstimate += (*it)->getEstimatedTrackSizeBytes(); 1273d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 12741f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 127577e8ae9967a078770416619e99ddb5b010def312James Dong if (!mStreamableFile) { 127677e8ae9967a078770416619e99ddb5b010def312James Dong // Add 1024 bytes as error tolerance 127777e8ae9967a078770416619e99ddb5b010def312James Dong return nTotalBytesEstimate + 1024 >= mMaxFileSizeLimitBytes; 127877e8ae9967a078770416619e99ddb5b010def312James Dong } 1279acd234bba9f048971d66890009eeff9a8db94be3James Dong // Be conservative in the estimate: do not exceed 95% of 1280acd234bba9f048971d66890009eeff9a8db94be3James Dong // the target file limit. For small target file size limit, though, 1281acd234bba9f048971d66890009eeff9a8db94be3James Dong // this will not help. 1282acd234bba9f048971d66890009eeff9a8db94be3James Dong return (nTotalBytesEstimate >= (95 * mMaxFileSizeLimitBytes) / 100); 1283d599cd4573b5a2d5914c5040e0565ef866749b77James Dong} 1284d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 1285d599cd4573b5a2d5914c5040e0565ef866749b77James Dongbool MPEG4Writer::exceedsFileDurationLimit() { 1286d599cd4573b5a2d5914c5040e0565ef866749b77James Dong // No limit 1287d599cd4573b5a2d5914c5040e0565ef866749b77James Dong if (mMaxFileDurationLimitUs == 0) { 1288d599cd4573b5a2d5914c5040e0565ef866749b77James Dong return false; 1289d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 1290d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 1291d599cd4573b5a2d5914c5040e0565ef866749b77James Dong for (List<Track *>::iterator it = mTracks.begin(); 1292d599cd4573b5a2d5914c5040e0565ef866749b77James Dong it != mTracks.end(); ++it) { 1293d599cd4573b5a2d5914c5040e0565ef866749b77James Dong if ((*it)->getDurationUs() >= mMaxFileDurationLimitUs) { 1294d599cd4573b5a2d5914c5040e0565ef866749b77James Dong return true; 1295d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 1296d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 1297d599cd4573b5a2d5914c5040e0565ef866749b77James Dong return false; 1298d599cd4573b5a2d5914c5040e0565ef866749b77James Dong} 1299d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 130025b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huberbool MPEG4Writer::reachedEOS() { 130125b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber bool allDone = true; 130225b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber for (List<Track *>::iterator it = mTracks.begin(); 130325b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber it != mTracks.end(); ++it) { 130425b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber if (!(*it)->reachedEOS()) { 130525b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber allDone = false; 130625b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber break; 130725b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber } 130825b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber } 130925b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 131025b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return allDone; 131125b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber} 131225b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 1313f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dongvoid MPEG4Writer::setStartTimestampUs(int64_t timeUs) { 1314df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("setStartTimestampUs: %lld", timeUs); 131543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(timeUs, 0ll); 13163c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong Mutex::Autolock autoLock(mLock); 1317065d1aff96818df54456053f1574aec8a234d0deJames Dong if (mStartTimestampUs < 0 || mStartTimestampUs > timeUs) { 1318f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong mStartTimestampUs = timeUs; 1319df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Earliest track starting time: %lld", mStartTimestampUs); 13203c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong } 13213c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong} 13223c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong 1323f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dongint64_t MPEG4Writer::getStartTimestampUs() { 13243c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong Mutex::Autolock autoLock(mLock); 13253c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong return mStartTimestampUs; 13263c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong} 13273c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong 132858ae9c530247668f8af36e30d228c716c226b3d4James Dongsize_t MPEG4Writer::numTracks() { 132958ae9c530247668f8af36e30d228c716c226b3d4James Dong Mutex::Autolock autolock(mLock); 133058ae9c530247668f8af36e30d228c716c226b3d4James Dong return mTracks.size(); 133158ae9c530247668f8af36e30d228c716c226b3d4James Dong} 133258ae9c530247668f8af36e30d228c716c226b3d4James Dong 133320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 133420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 133520111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Writer::Track::Track( 1336bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong MPEG4Writer *owner, const sp<MediaSource> &source, size_t trackId) 133720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber : mOwner(owner), 133825b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber mMeta(source->getFormat()), 133920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mSource(source), 134020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDone(false), 1341a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused(false), 1342a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mResumed(false), 1343eaae38445a340c4857c1c5569475879a728e63b7James Dong mStarted(false), 1344bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong mTrackId(trackId), 1345c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong mTrackDurationUs(0), 1346956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong mEstimatedTrackSizeBytes(0), 1347be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong mSamplesHaveSameSize(true), 1348c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStszTableEntries(new ListTableEntries<uint32_t>(1000, 1)), 1349c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStcoTableEntries(new ListTableEntries<uint32_t>(1000, 1)), 1350c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCo64TableEntries(new ListTableEntries<off64_t>(1000, 1)), 1351c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries(new ListTableEntries<uint32_t>(1000, 3)), 1352c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStssTableEntries(new ListTableEntries<uint32_t>(1000, 1)), 1353c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries(new ListTableEntries<uint32_t>(1000, 2)), 1354c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries(new ListTableEntries<uint32_t>(1000, 2)), 135520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCodecSpecificData(NULL), 135625b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber mCodecSpecificDataSize(0), 1357548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber mGotAllCodecSpecificData(false), 135813f6284305e4b27395a23db7882d670bdb1bcae1James Dong mReachedEOS(false), 135913f6284305e4b27395a23db7882d670bdb1bcae1James Dong mRotation(0) { 136019c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber getCodecSpecificDataFromInputFormatIfPossible(); 13618f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong 13621c9747a4653aec1395c2bd6896c9b87cb5447837James Dong const char *mime; 13631c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mMeta->findCString(kKeyMIMEType, &mime); 13641c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsAvc = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC); 13651c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsAudio = !strncasecmp(mime, "audio/", 6); 13661c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsMPEG4 = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) || 13671c9747a4653aec1395c2bd6896c9b87cb5447837James Dong !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC); 13681c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1369c059860c73678a202bfa33062723e8f82fb779d9James Dong setTimeScale(); 1370c059860c73678a202bfa33062723e8f82fb779d9James Dong} 1371c059860c73678a202bfa33062723e8f82fb779d9James Dong 13721f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dongvoid MPEG4Writer::Track::updateTrackSizeEstimate() { 13731f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 1374c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t stcoBoxCount = (mOwner->use32BitFileOffset() 1375c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ? mStcoTableEntries->count() 1376c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong : mCo64TableEntries->count()); 1377c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong int64_t stcoBoxSizeBytes = stcoBoxCount * 4; 1378c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong int64_t stszBoxSizeBytes = mSamplesHaveSameSize? 4: (mStszTableEntries->count() * 4); 13791f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 138078a1a286f736888ae7af8860b2c424af0d978848James Dong mEstimatedTrackSizeBytes = mMdatSizeBytes; // media data size 138178a1a286f736888ae7af8860b2c424af0d978848James Dong if (!mOwner->isFileStreamable()) { 138278a1a286f736888ae7af8860b2c424af0d978848James Dong // Reserved free space is not large enough to hold 138378a1a286f736888ae7af8860b2c424af0d978848James Dong // all meta data and thus wasted. 1384c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mEstimatedTrackSizeBytes += mStscTableEntries->count() * 12 + // stsc box size 1385c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStssTableEntries->count() * 4 + // stss box size 1386c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries->count() * 8 + // stts box size 1387c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->count() * 8 + // ctts box size 138878a1a286f736888ae7af8860b2c424af0d978848James Dong stcoBoxSizeBytes + // stco box size 138978a1a286f736888ae7af8860b2c424af0d978848James Dong stszBoxSizeBytes; // stsz box size 139078a1a286f736888ae7af8860b2c424af0d978848James Dong } 13911f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 13921f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 13931f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dongvoid MPEG4Writer::Track::addOneStscTableEntry( 13941f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong size_t chunkId, size_t sampleId) { 13951f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 1396c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries->add(htonl(chunkId)); 1397c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries->add(htonl(sampleId)); 1398c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries->add(htonl(1)); 13991f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 14001f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 14011f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dongvoid MPEG4Writer::Track::addOneStssTableEntry(size_t sampleId) { 1402c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStssTableEntries->add(htonl(sampleId)); 14031f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 14041f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 14051f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dongvoid MPEG4Writer::Track::addOneSttsTableEntry( 140679761ab096f57c3027fad9556c2bc436672d614eJames Dong size_t sampleCount, int32_t duration) { 14071f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 14085a217fba010e801c255503602bda4b86ac5a6ac9James Dong if (duration == 0) { 14095ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("0-duration samples found: %d", sampleCount); 14105a217fba010e801c255503602bda4b86ac5a6ac9James Dong } 1411c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries->add(htonl(sampleCount)); 1412c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries->add(htonl(duration)); 14131f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 14141f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 1415965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dongvoid MPEG4Writer::Track::addOneCttsTableEntry( 1416965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong size_t sampleCount, int32_t duration) { 1417965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 1418965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong if (mIsAudio) { 1419965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong return; 1420965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong } 1421c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->add(htonl(sampleCount)); 1422c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->add(htonl(duration)); 1423965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong} 1424965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 1425c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongvoid MPEG4Writer::Track::addChunkOffset(off64_t offset) { 1426c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mOwner->use32BitFileOffset()) { 1427c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t value = offset; 1428c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStcoTableEntries->add(htonl(value)); 1429c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } else { 1430c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCo64TableEntries->add(hton64(offset)); 1431c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } 14321f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong} 14331f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 1434c059860c73678a202bfa33062723e8f82fb779d9James Dongvoid MPEG4Writer::Track::setTimeScale() { 14353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setTimeScale"); 1436c059860c73678a202bfa33062723e8f82fb779d9James Dong // Default time scale 1437c059860c73678a202bfa33062723e8f82fb779d9James Dong mTimeScale = 90000; 1438c059860c73678a202bfa33062723e8f82fb779d9James Dong 1439c059860c73678a202bfa33062723e8f82fb779d9James Dong if (mIsAudio) { 1440c059860c73678a202bfa33062723e8f82fb779d9James Dong // Use the sampling rate as the default time scale for audio track. 1441c059860c73678a202bfa33062723e8f82fb779d9James Dong int32_t sampleRate; 1442c059860c73678a202bfa33062723e8f82fb779d9James Dong bool success = mMeta->findInt32(kKeySampleRate, &sampleRate); 1443c059860c73678a202bfa33062723e8f82fb779d9James Dong CHECK(success); 1444c059860c73678a202bfa33062723e8f82fb779d9James Dong mTimeScale = sampleRate; 1445c059860c73678a202bfa33062723e8f82fb779d9James Dong } 1446c059860c73678a202bfa33062723e8f82fb779d9James Dong 1447c059860c73678a202bfa33062723e8f82fb779d9James Dong // If someone would like to overwrite the timescale, use user-supplied value. 1448c059860c73678a202bfa33062723e8f82fb779d9James Dong int32_t timeScale; 1449c059860c73678a202bfa33062723e8f82fb779d9James Dong if (mMeta->findInt32(kKeyTimeScale, &timeScale)) { 1450c059860c73678a202bfa33062723e8f82fb779d9James Dong mTimeScale = timeScale; 1451c059860c73678a202bfa33062723e8f82fb779d9James Dong } 1452c059860c73678a202bfa33062723e8f82fb779d9James Dong 145343089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GT(mTimeScale, 0); 145419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber} 145519c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber 145619c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Hubervoid MPEG4Writer::Track::getCodecSpecificDataFromInputFormatIfPossible() { 145719c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber const char *mime; 145819c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber CHECK(mMeta->findCString(kKeyMIMEType, &mime)); 145919c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber 146019c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 146119c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber uint32_t type; 146219c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber const void *data; 146319c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber size_t size; 146419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber if (mMeta->findData(kKeyAVCC, &type, &data, &size)) { 146519c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mCodecSpecificData = malloc(size); 146619c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mCodecSpecificDataSize = size; 146719c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber memcpy(mCodecSpecificData, data, size); 146819c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mGotAllCodecSpecificData = true; 146919c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } 147019c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) 147119c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { 147219c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber uint32_t type; 147319c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber const void *data; 147419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber size_t size; 147519c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber if (mMeta->findData(kKeyESDS, &type, &data, &size)) { 147619c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber ESDS esds(data, size); 147719c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber if (esds.getCodecSpecificInfo(&data, &size) == OK) { 147819c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mCodecSpecificData = malloc(size); 147919c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mCodecSpecificDataSize = size; 148019c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber memcpy(mCodecSpecificData, data, size); 148119c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber mGotAllCodecSpecificData = true; 148219c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } 148319c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } 148419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } 148520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 148620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 148720111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMPEG4Writer::Track::~Track() { 148820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber stop(); 148920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1490c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mStszTableEntries; 1491c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mStcoTableEntries; 1492c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mCo64TableEntries; 1493c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mStscTableEntries; 1494c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mSttsTableEntries; 1495c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mStssTableEntries; 1496c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong delete mCttsTableEntries; 1497c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 1498c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStszTableEntries = NULL; 1499c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStcoTableEntries = NULL; 1500c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCo64TableEntries = NULL; 1501c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries = NULL; 1502c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries = NULL; 1503c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStssTableEntries = NULL; 1504c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries = NULL; 1505c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 150620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mCodecSpecificData != NULL) { 150720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber free(mCodecSpecificData); 150820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mCodecSpecificData = NULL; 150920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 151020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 151120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 151293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dongvoid MPEG4Writer::Track::initTrackingProgressStatus(MetaData *params) { 15133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("initTrackingProgressStatus"); 151493d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mPreviousTrackTimeUs = -1; 151593d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mTrackingProgressStatus = false; 151693d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mTrackEveryTimeDurationUs = 0; 151793d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong { 151893d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong int64_t timeUs; 151993d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong if (params && params->findInt64(kKeyTrackTimeStatus, &timeUs)) { 15203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Receive request to track progress status for every %lld us", timeUs); 152193d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mTrackEveryTimeDurationUs = timeUs; 152293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mTrackingProgressStatus = true; 152393d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong } 152493d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong } 152593d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong} 152693d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong 15271c9747a4653aec1395c2bd6896c9b87cb5447837James Dong// static 15281c9747a4653aec1395c2bd6896c9b87cb5447837James Dongvoid *MPEG4Writer::ThreadWrapper(void *me) { 15293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ThreadWrapper: %p", me); 15301c9747a4653aec1395c2bd6896c9b87cb5447837James Dong MPEG4Writer *writer = static_cast<MPEG4Writer *>(me); 15311c9747a4653aec1395c2bd6896c9b87cb5447837James Dong writer->threadFunc(); 15321c9747a4653aec1395c2bd6896c9b87cb5447837James Dong return NULL; 15331c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 15341c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 15351c9747a4653aec1395c2bd6896c9b87cb5447837James Dongvoid MPEG4Writer::bufferChunk(const Chunk& chunk) { 15363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("bufferChunk: %p", chunk.mTrack); 15371c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Mutex::Autolock autolock(mLock); 15381c9747a4653aec1395c2bd6896c9b87cb5447837James Dong CHECK_EQ(mDone, false); 15391c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 15401c9747a4653aec1395c2bd6896c9b87cb5447837James Dong for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); 15411c9747a4653aec1395c2bd6896c9b87cb5447837James Dong it != mChunkInfos.end(); ++it) { 15421c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 15431c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (chunk.mTrack == it->mTrack) { // Found owner 15441c9747a4653aec1395c2bd6896c9b87cb5447837James Dong it->mChunks.push_back(chunk); 15451c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mChunkReadyCondition.signal(); 15461c9747a4653aec1395c2bd6896c9b87cb5447837James Dong return; 15471c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 15481c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 15491c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 155043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK(!"Received a chunk for a unknown track"); 15511c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 15521c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1553fcac8fa9421f442f024018628a6042d7a14fbfb0James Dongvoid MPEG4Writer::writeChunkToFile(Chunk* chunk) { 15543856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("writeChunkToFile: %lld from %s track", 15555410afcbb0af5d29d9f710a1c2978c500f9792dcPannag Sanketi chunk->mTimeStampUs, chunk->mTrack->isAudio()? "audio": "video"); 1556fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1557fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong int32_t isFirstSample = true; 1558fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong while (!chunk->mSamples.empty()) { 1559fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong List<MediaBuffer *>::iterator it = chunk->mSamples.begin(); 1560fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1561fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong off64_t offset = chunk->mTrack->isAvc() 1562fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong ? addLengthPrefixedSample_l(*it) 1563fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong : addSample_l(*it); 1564fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1565fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong if (isFirstSample) { 1566fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong chunk->mTrack->addChunkOffset(offset); 1567fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong isFirstSample = false; 15681c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 15691c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 15701c9747a4653aec1395c2bd6896c9b87cb5447837James Dong (*it)->release(); 15711c9747a4653aec1395c2bd6896c9b87cb5447837James Dong (*it) = NULL; 1572fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong chunk->mSamples.erase(it); 15731c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 1574fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong chunk->mSamples.clear(); 15751c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 15761c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1577fcac8fa9421f442f024018628a6042d7a14fbfb0James Dongvoid MPEG4Writer::writeAllChunks() { 15783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("writeAllChunks"); 15791c9747a4653aec1395c2bd6896c9b87cb5447837James Dong size_t outstandingChunks = 0; 158070ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong Chunk chunk; 158170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong while (findChunkToWrite(&chunk)) { 1582e9f6d0579603372fd2547e6c5ba6e114c6f8cba7James Dong writeChunkToFile(&chunk); 158370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong ++outstandingChunks; 15841c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 158570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 158670ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong sendSessionSummary(); 158770ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 15881c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mChunkInfos.clear(); 1589b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("%d chunks are written in the last batch", outstandingChunks); 15901c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 15911c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1592fcac8fa9421f442f024018628a6042d7a14fbfb0James Dongbool MPEG4Writer::findChunkToWrite(Chunk *chunk) { 15933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("findChunkToWrite"); 15941c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 15951c9747a4653aec1395c2bd6896c9b87cb5447837James Dong int64_t minTimestampUs = 0x7FFFFFFFFFFFFFFFLL; 15961c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Track *track = NULL; 15971c9747a4653aec1395c2bd6896c9b87cb5447837James Dong for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); 15981c9747a4653aec1395c2bd6896c9b87cb5447837James Dong it != mChunkInfos.end(); ++it) { 15991c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (!it->mChunks.empty()) { 16001c9747a4653aec1395c2bd6896c9b87cb5447837James Dong List<Chunk>::iterator chunkIt = it->mChunks.begin(); 16011c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (chunkIt->mTimeStampUs < minTimestampUs) { 16021c9747a4653aec1395c2bd6896c9b87cb5447837James Dong minTimestampUs = chunkIt->mTimeStampUs; 16031c9747a4653aec1395c2bd6896c9b87cb5447837James Dong track = it->mTrack; 16041c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16051c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16061c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16071c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16081c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (track == NULL) { 16093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Nothing to be written after all"); 1610fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong return false; 16111c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16121c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16131c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (mIsFirstChunk) { 16141c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsFirstChunk = false; 16151c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 1616fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 16171c9747a4653aec1395c2bd6896c9b87cb5447837James Dong for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); 16181c9747a4653aec1395c2bd6896c9b87cb5447837James Dong it != mChunkInfos.end(); ++it) { 16191c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (it->mTrack == track) { 1620fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong *chunk = *(it->mChunks.begin()); 1621fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong it->mChunks.erase(it->mChunks.begin()); 1622fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong CHECK_EQ(chunk->mTrack, track); 162370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 162470ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t interChunkTimeUs = 162570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong chunk->mTimeStampUs - it->mPrevChunkTimestampUs; 162670ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong if (interChunkTimeUs > it->mPrevChunkTimestampUs) { 162770ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong it->mMaxInterChunkDurUs = interChunkTimeUs; 162870ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong } 162970ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 1630fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong return true; 16311c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16321c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 1633fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1634fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong return false; 16351c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 16361c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16371c9747a4653aec1395c2bd6896c9b87cb5447837James Dongvoid MPEG4Writer::threadFunc() { 16383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("threadFunc"); 16391c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1640a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong prctl(PR_SET_NAME, (unsigned long)"MPEG4Writer", 0, 0, 0); 1641fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1642fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong Mutex::Autolock autoLock(mLock); 16431c9747a4653aec1395c2bd6896c9b87cb5447837James Dong while (!mDone) { 1644fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong Chunk chunk; 1645fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong bool chunkFound = false; 1646fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1647fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong while (!mDone && !(chunkFound = findChunkToWrite(&chunk))) { 16481c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mChunkReadyCondition.wait(mLock); 16491c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16501c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1651de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui // In real time recording mode, write without holding the lock in order 1652de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui // to reduce the blocking time for media track threads. 1653de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui // Otherwise, hold the lock until the existing chunks get written to the 1654de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui // file. 1655fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong if (chunkFound) { 1656de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (mIsRealTimeRecording) { 1657de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui mLock.unlock(); 1658de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui } 1659fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong writeChunkToFile(&chunk); 1660de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (mIsRealTimeRecording) { 1661de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui mLock.lock(); 1662de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui } 1663fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong } 16641c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 1665fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1666fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong writeAllChunks(); 16671c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 16681c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16691c9747a4653aec1395c2bd6896c9b87cb5447837James Dongstatus_t MPEG4Writer::startWriterThread() { 16703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("startWriterThread"); 16711c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16721c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mDone = false; 16731c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsFirstChunk = true; 1674e259531ce59ab1f31de5a23124b22536f6a5a767James Dong mDriftTimeUs = 0; 16751c9747a4653aec1395c2bd6896c9b87cb5447837James Dong for (List<Track *>::iterator it = mTracks.begin(); 16761c9747a4653aec1395c2bd6896c9b87cb5447837James Dong it != mTracks.end(); ++it) { 16771c9747a4653aec1395c2bd6896c9b87cb5447837James Dong ChunkInfo info; 16781c9747a4653aec1395c2bd6896c9b87cb5447837James Dong info.mTrack = *it; 167970ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong info.mPrevChunkTimestampUs = 0; 168070ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong info.mMaxInterChunkDurUs = 0; 16811c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mChunkInfos.push_back(info); 16821c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 16831c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16841c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_attr_t attr; 16851c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_attr_init(&attr); 16861c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); 16871c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_create(&mThread, &attr, ThreadWrapper, this); 16881c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_attr_destroy(&attr); 1689411ba422e3635d534928ffd81abf54f4f291c739James Dong mWriterThreadStarted = true; 16901c9747a4653aec1395c2bd6896c9b87cb5447837James Dong return OK; 16911c9747a4653aec1395c2bd6896c9b87cb5447837James Dong} 16921c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 16931f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 169493d6b102a13afa23bfa80d74c399d93d542e6ad6James Dongstatus_t MPEG4Writer::Track::start(MetaData *params) { 1695a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (!mDone && mPaused) { 1696a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused = false; 1697a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mResumed = true; 1698a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong return OK; 1699a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 170025b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 170193d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong int64_t startTimeUs; 170219c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber if (params == NULL || !params->findInt64(kKeyTime, &startTimeUs)) { 170319c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber startTimeUs = 0; 170419c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber } 170570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong mStartTimeRealUs = startTimeUs; 170619c9a1e2bb6ead5e1e895aea8be573fe0f8cc7bbAndreas Huber 170713f6284305e4b27395a23db7882d670bdb1bcae1James Dong int32_t rotationDegrees; 170813f6284305e4b27395a23db7882d670bdb1bcae1James Dong if (!mIsAudio && params && params->findInt32(kKeyRotation, &rotationDegrees)) { 170913f6284305e4b27395a23db7882d670bdb1bcae1James Dong mRotation = rotationDegrees; 171013f6284305e4b27395a23db7882d670bdb1bcae1James Dong } 171113f6284305e4b27395a23db7882d670bdb1bcae1James Dong 171293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong initTrackingProgressStatus(params); 171393d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong 1714f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong sp<MetaData> meta = new MetaData; 1715de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (mOwner->isRealTimeRecording() && mOwner->numTracks() > 1) { 1716a472613aec322e25891abf5c77bf3f7e3c244920James Dong /* 1717a472613aec322e25891abf5c77bf3f7e3c244920James Dong * This extra delay of accepting incoming audio/video signals 1718a472613aec322e25891abf5c77bf3f7e3c244920James Dong * helps to align a/v start time at the beginning of a recording 1719a472613aec322e25891abf5c77bf3f7e3c244920James Dong * session, and it also helps eliminate the "recording" sound for 1720a472613aec322e25891abf5c77bf3f7e3c244920James Dong * camcorder applications. 1721a472613aec322e25891abf5c77bf3f7e3c244920James Dong * 172286b7f47aa7482424cf8fd248f1315311919be3b0James Dong * If client does not set the start time offset, we fall back to 172386b7f47aa7482424cf8fd248f1315311919be3b0James Dong * use the default initial delay value. 1724a472613aec322e25891abf5c77bf3f7e3c244920James Dong */ 172586b7f47aa7482424cf8fd248f1315311919be3b0James Dong int64_t startTimeOffsetUs = mOwner->getStartTimeOffsetMs() * 1000LL; 172686b7f47aa7482424cf8fd248f1315311919be3b0James Dong if (startTimeOffsetUs < 0) { // Start time offset was not set 172786b7f47aa7482424cf8fd248f1315311919be3b0James Dong startTimeOffsetUs = kInitialDelayTimeUs; 172886b7f47aa7482424cf8fd248f1315311919be3b0James Dong } 172986b7f47aa7482424cf8fd248f1315311919be3b0James Dong startTimeUs += startTimeOffsetUs; 1730df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Start time offset: %lld us", startTimeOffsetUs); 1731a472613aec322e25891abf5c77bf3f7e3c244920James Dong } 1732a472613aec322e25891abf5c77bf3f7e3c244920James Dong 1733f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong meta->setInt64(kKeyTime, startTimeUs); 1734a472613aec322e25891abf5c77bf3f7e3c244920James Dong 1735f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong status_t err = mSource->start(meta.get()); 173625b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber if (err != OK) { 173725b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber mDone = mReachedEOS = true; 173825b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return err; 173925b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber } 174020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 174120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_attr_t attr; 174220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_attr_init(&attr); 174320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); 174420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 174520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDone = false; 1746eaae38445a340c4857c1c5569475879a728e63b7James Dong mStarted = true; 1747c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong mTrackDurationUs = 0; 174825b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber mReachedEOS = false; 1749956c553ab0ce72f8074ad0fda2ffd66a0305700cJames Dong mEstimatedTrackSizeBytes = 0; 17501f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong mMdatSizeBytes = 0; 175143ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mMaxChunkDurationUs = 0; 175220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 175325b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber pthread_create(&mThread, &attr, ThreadWrapper, this); 175420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_attr_destroy(&attr); 175525b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 175625b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return OK; 175720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 175820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 175937187916a486504acaf83bea30147eb5fbf46ae5James Dongstatus_t MPEG4Writer::Track::pause() { 1760a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mPaused = true; 176137187916a486504acaf83bea30147eb5fbf46ae5James Dong return OK; 1762a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong} 1763a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 176437187916a486504acaf83bea30147eb5fbf46ae5James Dongstatus_t MPEG4Writer::Track::stop() { 1765b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("Stopping %s track", mIsAudio? "Audio": "Video"); 1766eaae38445a340c4857c1c5569475879a728e63b7James Dong if (!mStarted) { 176729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Stop() called but track is not started"); 1768eaae38445a340c4857c1c5569475879a728e63b7James Dong return ERROR_END_OF_STREAM; 1769eaae38445a340c4857c1c5569475879a728e63b7James Dong } 1770eaae38445a340c4857c1c5569475879a728e63b7James Dong 177120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (mDone) { 177237187916a486504acaf83bea30147eb5fbf46ae5James Dong return OK; 177320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 177420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber mDone = true; 177520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 177620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void *dummy; 177720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber pthread_join(mThread, &dummy); 177820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 177937187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t err = (status_t) dummy; 178037187916a486504acaf83bea30147eb5fbf46ae5James Dong 1781b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("Stopping %s track source", mIsAudio? "Audio": "Video"); 178237187916a486504acaf83bea30147eb5fbf46ae5James Dong { 178337187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t status = mSource->stop(); 178437187916a486504acaf83bea30147eb5fbf46ae5James Dong if (err == OK && status != OK && status != ERROR_END_OF_STREAM) { 178537187916a486504acaf83bea30147eb5fbf46ae5James Dong err = status; 178637187916a486504acaf83bea30147eb5fbf46ae5James Dong } 178737187916a486504acaf83bea30147eb5fbf46ae5James Dong } 178837187916a486504acaf83bea30147eb5fbf46ae5James Dong 1789b8a805261bf0282e992d3608035e47d05a898710Steve Block ALOGD("%s track stopped", mIsAudio? "Audio": "Video"); 179037187916a486504acaf83bea30147eb5fbf46ae5James Dong return err; 179120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 179220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 179325b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huberbool MPEG4Writer::Track::reachedEOS() { 179425b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber return mReachedEOS; 179525b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber} 179625b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 179720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber// static 179820111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid *MPEG4Writer::Track::ThreadWrapper(void *me) { 179920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *track = static_cast<Track *>(me); 180020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 180137187916a486504acaf83bea30147eb5fbf46ae5James Dong status_t err = track->threadEntry(); 180237187916a486504acaf83bea30147eb5fbf46ae5James Dong return (void *) err; 180320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 180420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 18053266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatic void getNalUnitType(uint8_t byte, uint8_t* type) { 18063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getNalUnitType: %d", byte); 18073266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18083266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // nal_unit_type: 5-bit unsigned integer 18093266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong *type = (byte & 0x1F); 18103266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong} 18113266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18123266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatic const uint8_t *findNextStartCode( 18133266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *data, size_t length) { 18143266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("findNextStartCode: %p %d", data, length); 18163266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18173266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong size_t bytesLeft = length; 18183266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong while (bytesLeft > 4 && 18193266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong memcmp("\x00\x00\x00\x01", &data[length - bytesLeft], 4)) { 18203266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong --bytesLeft; 18213266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18223266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (bytesLeft <= 4) { 18233266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong bytesLeft = 0; // Last parameter set 18243266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18253266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return &data[length - bytesLeft]; 18263266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong} 18273266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18283266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongconst uint8_t *MPEG4Writer::Track::parseParamSet( 18293266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *data, size_t length, int type, size_t *paramSetLen) { 18303266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("parseParamSet"); 18323266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong CHECK(type == kNalUnitTypeSeqParamSet || 18333266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong type == kNalUnitTypePicParamSet); 18343266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18353266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *nextStartCode = findNextStartCode(data, length); 18363266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong *paramSetLen = nextStartCode - data; 18373266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (*paramSetLen == 0) { 183829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Param set is malformed, since its length is 0"); 18393266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return NULL; 18403266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18413266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18423266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong AVCParamSet paramSet(*paramSetLen, data); 18433266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (type == kNalUnitTypeSeqParamSet) { 18443266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (*paramSetLen < 4) { 184529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Seq parameter set malformed"); 18463266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return NULL; 18473266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18483266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (mSeqParamSets.empty()) { 18493266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mProfileIdc = data[1]; 18503266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mProfileCompatible = data[2]; 18513266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mLevelIdc = data[3]; 18523266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } else { 18533266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (mProfileIdc != data[1] || 18543266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mProfileCompatible != data[2] || 18553266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mLevelIdc != data[3]) { 185629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Inconsistent profile/level found in seq parameter sets"); 18573266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return NULL; 18583266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18593266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18603266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mSeqParamSets.push_back(paramSet); 18613266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } else { 18623266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mPicParamSets.push_back(paramSet); 18633266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18643266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return nextStartCode; 18653266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong} 18663266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18673266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatus_t MPEG4Writer::Track::copyAVCCodecSpecificData( 18683266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *data, size_t size) { 18693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("copyAVCCodecSpecificData"); 18703266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18713266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 2 bytes for each of the parameter set length field 18723266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // plus the 7 bytes for the header 18733266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (size < 4 + 7) { 187429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Codec specific data length too short: %d", size); 18753266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 18763266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 18773266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18783266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mCodecSpecificDataSize = size; 18793266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mCodecSpecificData = malloc(size); 18803266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong memcpy(mCodecSpecificData, data, size); 18813266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return OK; 18823266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong} 18833266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18843266b2c04867f687e1e1b7b86088d6eb83077fd0James Dongstatus_t MPEG4Writer::Track::parseAVCCodecSpecificData( 18853266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *data, size_t size) { 18863266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 18873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("parseAVCCodecSpecificData"); 18883266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Data starts with a start code. 18893266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // SPS and PPS are separated with start codes. 18903266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Also, SPS must come before PPS 18913266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint8_t type = kNalUnitTypeSeqParamSet; 18923266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong bool gotSps = false; 18933266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong bool gotPps = false; 18943266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *tmp = data; 18953266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong const uint8_t *nextStartCode = data; 18963266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong size_t bytesLeft = size; 18973266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong size_t paramSetLen = 0; 18983266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mCodecSpecificDataSize = 0; 18993266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong while (bytesLeft > 4 && !memcmp("\x00\x00\x00\x01", tmp, 4)) { 19003266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong getNalUnitType(*(tmp + 4), &type); 19013266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (type == kNalUnitTypeSeqParamSet) { 19023266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (gotPps) { 190329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("SPS must come before PPS"); 19043266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19053266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19063266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (!gotSps) { 19073266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong gotSps = true; 19083266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19093266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong nextStartCode = parseParamSet(tmp + 4, bytesLeft - 4, type, ¶mSetLen); 19103266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } else if (type == kNalUnitTypePicParamSet) { 19113266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (!gotSps) { 191229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("SPS must come before PPS"); 19133266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19143266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19153266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (!gotPps) { 19163266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong gotPps = true; 19173266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19183266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong nextStartCode = parseParamSet(tmp + 4, bytesLeft - 4, type, ¶mSetLen); 19193266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } else { 192029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Only SPS and PPS Nal units are expected"); 19213266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19223266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19233266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 19243266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (nextStartCode == NULL) { 19253266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19263266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19273266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 19283266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Move on to find the next parameter set 19293266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong bytesLeft -= nextStartCode - tmp; 19303266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong tmp = nextStartCode; 19313266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mCodecSpecificDataSize += (2 + paramSetLen); 19323266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19333266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 19343266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong { 19353266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Check on the number of seq parameter sets 19363266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong size_t nSeqParamSets = mSeqParamSets.size(); 19373266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (nSeqParamSets == 0) { 193829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Cound not find sequence parameter set"); 19393266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19403266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19413266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 19423266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (nSeqParamSets > 0x1F) { 194329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Too many seq parameter sets (%d) found", nSeqParamSets); 19443266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19453266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19463266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19473266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 19483266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong { 19493266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Check on the number of pic parameter sets 19503266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong size_t nPicParamSets = mPicParamSets.size(); 19513266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (nPicParamSets == 0) { 195229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Cound not find picture parameter set"); 19533266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19543266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19553266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (nPicParamSets > 0xFF) { 195629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Too many pic parameter sets (%d) found", nPicParamSets); 19573266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return ERROR_MALFORMED; 19583266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19593266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19601374eddc4455b26d1dffdca10fc70534b3f08c1dDandawate Saket// FIXME: 19611374eddc4455b26d1dffdca10fc70534b3f08c1dDandawate Saket// Add chromat_format_idc, bit depth values, etc for AVC/h264 high profile and above 19621374eddc4455b26d1dffdca10fc70534b3f08c1dDandawate Saket// and remove #if 0 19631374eddc4455b26d1dffdca10fc70534b3f08c1dDandawate Saket#if 0 19643266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong { 19653266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Check on the profiles 19663266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // These profiles requires additional parameter set extensions 19673266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (mProfileIdc == 100 || mProfileIdc == 110 || 19683266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mProfileIdc == 122 || mProfileIdc == 144) { 196929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Sorry, no support for profile_idc: %d!", mProfileIdc); 19703266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return BAD_VALUE; 19713266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19723266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 19731374eddc4455b26d1dffdca10fc70534b3f08c1dDandawate Saket#endif 19743266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return OK; 19753266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong} 1976548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber 197703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huberstatus_t MPEG4Writer::Track::makeAVCCodecSpecificData( 197803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber const uint8_t *data, size_t size) { 1979548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber 198003b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber if (mCodecSpecificData != NULL) { 198129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Already have codec specific data"); 198203b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber return ERROR_MALFORMED; 198303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 198403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 19853266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (size < 4) { 198629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Codec specific data length too short: %d", size); 198703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber return ERROR_MALFORMED; 198803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 198903b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 19903266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // Data is in the form of AVCCodecSpecificData 19913266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (memcmp("\x00\x00\x00\x01", data, 4)) { 19923266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong return copyAVCCodecSpecificData(data, size); 199303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 199403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 19953266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong if (parseAVCCodecSpecificData(data, size) != OK) { 199603b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber return ERROR_MALFORMED; 199703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber } 199803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 19993266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // ISO 14496-15: AVC file format 20003266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong mCodecSpecificDataSize += 7; // 7 more bytes in the header 200103b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber mCodecSpecificData = malloc(mCodecSpecificDataSize); 200203b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber uint8_t *header = (uint8_t *)mCodecSpecificData; 20033266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[0] = 1; // version 20043266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[1] = mProfileIdc; // profile indication 20053266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[2] = mProfileCompatible; // profile compatibility 20063266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[3] = mLevelIdc; 200703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 20083266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 6-bit '111111' followed by 2-bit to lengthSizeMinuusOne 2009b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong if (mOwner->useNalLengthFour()) { 2010b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong header[4] = 0xfc | 3; // length size == 4 bytes 2011b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } else { 2012b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong header[4] = 0xfc | 1; // length size == 2 bytes 2013b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } 201403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 20153266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 3-bit '111' followed by 5-bit numSequenceParameterSets 20163266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong int nSequenceParamSets = mSeqParamSets.size(); 20173266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[5] = 0xe0 | nSequenceParamSets; 20183266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header += 6; 20193266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong for (List<AVCParamSet>::iterator it = mSeqParamSets.begin(); 20203266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong it != mSeqParamSets.end(); ++it) { 20213266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 16-bit sequence parameter set length 20223266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint16_t seqParamSetLength = it->mLength; 20233266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[0] = seqParamSetLength >> 8; 20243266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[1] = seqParamSetLength & 0xff; 20253266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 20263266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // SPS NAL unit (sequence parameter length bytes) 20273266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong memcpy(&header[2], it->mData, seqParamSetLength); 20283266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header += (2 + seqParamSetLength); 20293266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 20303266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 20313266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 8-bit nPictureParameterSets 20323266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong int nPictureParamSets = mPicParamSets.size(); 20333266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[0] = nPictureParamSets; 20343266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header += 1; 20353266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong for (List<AVCParamSet>::iterator it = mPicParamSets.begin(); 20363266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong it != mPicParamSets.end(); ++it) { 20373266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // 16-bit picture parameter set length 20383266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong uint16_t picParamSetLength = it->mLength; 20393266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[0] = picParamSetLength >> 8; 20403266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header[1] = picParamSetLength & 0xff; 20413266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong 20423266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong // PPS Nal unit (picture parameter set length bytes) 20433266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong memcpy(&header[2], it->mData, picParamSetLength); 20443266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong header += (2 + picParamSetLength); 20453266b2c04867f687e1e1b7b86088d6eb83077fd0James Dong } 204603b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 204703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber return OK; 204803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber} 204903b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber 2050872a481558350634a3fd5cb67939de288af00ecbJames Dong/* 2051872a481558350634a3fd5cb67939de288af00ecbJames Dong * Updates the drift time from the audio track so that 2052872a481558350634a3fd5cb67939de288af00ecbJames Dong * the video track can get the updated drift time information 2053872a481558350634a3fd5cb67939de288af00ecbJames Dong * from the file writer. The fluctuation of the drift time of the audio 2054872a481558350634a3fd5cb67939de288af00ecbJames Dong * encoding path is smoothed out with a simple filter by giving a larger 2055872a481558350634a3fd5cb67939de288af00ecbJames Dong * weight to more recently drift time. The filter coefficients, 0.5 and 0.5, 2056872a481558350634a3fd5cb67939de288af00ecbJames Dong * are heuristically determined. 2057872a481558350634a3fd5cb67939de288af00ecbJames Dong */ 2058872a481558350634a3fd5cb67939de288af00ecbJames Dongvoid MPEG4Writer::Track::updateDriftTime(const sp<MetaData>& meta) { 2059872a481558350634a3fd5cb67939de288af00ecbJames Dong int64_t driftTimeUs = 0; 2060872a481558350634a3fd5cb67939de288af00ecbJames Dong if (meta->findInt64(kKeyDriftTime, &driftTimeUs)) { 2061872a481558350634a3fd5cb67939de288af00ecbJames Dong int64_t prevDriftTimeUs = mOwner->getDriftTimeUs(); 2062872a481558350634a3fd5cb67939de288af00ecbJames Dong int64_t timeUs = (driftTimeUs + prevDriftTimeUs) >> 1; 2063872a481558350634a3fd5cb67939de288af00ecbJames Dong mOwner->setDriftTimeUs(timeUs); 2064872a481558350634a3fd5cb67939de288af00ecbJames Dong } 2065872a481558350634a3fd5cb67939de288af00ecbJames Dong} 2066872a481558350634a3fd5cb67939de288af00ecbJames Dong 206737187916a486504acaf83bea30147eb5fbf46ae5James Dongstatus_t MPEG4Writer::Track::threadEntry() { 206830ab66297501757d745b9ae10da61adcd891f497Andreas Huber int32_t count = 0; 206913aec890216948b0c364f8f92792129d0335f506James Dong const int64_t interleaveDurationUs = mOwner->interleaveDuration(); 207043ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong const bool hasMultipleTracks = (mOwner->numTracks() > 1); 207113aec890216948b0c364f8f92792129d0335f506James Dong int64_t chunkTimestampUs = 0; 207213aec890216948b0c364f8f92792129d0335f506James Dong int32_t nChunks = 0; 207313aec890216948b0c364f8f92792129d0335f506James Dong int32_t nZeroLengthFrames = 0; 2074965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t lastTimestampUs = 0; // Previous sample time stamp 2075965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t lastDurationUs = 0; // Between the previous two samples 2076965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t currDurationTicks = 0; // Timescale based ticks 2077965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t lastDurationTicks = 0; // Timescale based ticks 2078965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int32_t sampleCount = 1; // Sample count in the current stts table entry 2079000e18370baae60ffd9f25b509501dd8c26deabfJames Dong uint32_t previousSampleSize = 0; // Size of the previous sample 2080a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong int64_t previousPausedDurationUs = 0; 2081965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t timestampUs = 0; 2082000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int64_t cttsOffsetTimeUs = 0; 2083000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int64_t currCttsOffsetTimeTicks = 0; // Timescale based ticks 2084000e18370baae60ffd9f25b509501dd8c26deabfJames Dong int64_t lastCttsOffsetTimeTicks = -1; // Timescale based ticks 208543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong int32_t cttsSampleCount = 0; // Sample count in the current ctts table entry 2086c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t lastSamplesPerChunk = 0; 2087e259531ce59ab1f31de5a23124b22536f6a5a767James Dong 2088a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong if (mIsAudio) { 2089a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong prctl(PR_SET_NAME, (unsigned long)"AudioTrackEncoding", 0, 0, 0); 2090a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong } else { 2091a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong prctl(PR_SET_NAME, (unsigned long)"VideoTrackEncoding", 0, 0, 0); 2092a6f61fc8e3d06373c17f0a38ff600e2b71c414faJames Dong } 2093de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui 2094de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (mOwner->isRealTimeRecording()) { 2095de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 2096de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui } 2097985f838934510983d8a887461e98dca60a6e858fJames Dong 2098d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong sp<MetaData> meta_data; 209920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 210093d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong status_t err = OK; 210120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaBuffer *buffer; 210293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong while (!mDone && (err = mSource->read(&buffer)) == OK) { 210320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (buffer->range_length() == 0) { 210420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber buffer->release(); 210520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber buffer = NULL; 210613aec890216948b0c364f8f92792129d0335f506James Dong ++nZeroLengthFrames; 210720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber continue; 210820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 210920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2110a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong // If the codec specific data has not been received yet, delay pause. 2111a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong // After the codec specific data is received, discard what we received 2112a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong // when the track is to be paused. 2113a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (mPaused && !mResumed) { 2114a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong buffer->release(); 2115a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong buffer = NULL; 2116a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong continue; 2117a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 2118a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 211930ab66297501757d745b9ae10da61adcd891f497Andreas Huber ++count; 212030ab66297501757d745b9ae10da61adcd891f497Andreas Huber 212103b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber int32_t isCodecConfig; 212203b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber if (buffer->meta_data()->findInt32(kKeyIsCodecConfig, &isCodecConfig) 212303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber && isCodecConfig) { 2124548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber CHECK(!mGotAllCodecSpecificData); 2125548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber 21261c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (mIsAvc) { 212703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber status_t err = makeAVCCodecSpecificData( 212803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber (const uint8_t *)buffer->data() 212903b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber + buffer->range_offset(), 213003b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber buffer->range_length()); 213143089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_EQ((status_t)OK, err); 21321c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } else if (mIsMPEG4) { 213303b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber mCodecSpecificDataSize = buffer->range_length(); 213403b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber mCodecSpecificData = malloc(mCodecSpecificDataSize); 213503b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber memcpy(mCodecSpecificData, 213603b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber (const uint8_t *)buffer->data() 213703b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber + buffer->range_offset(), 213803b268eac37ca2589bfff0bf58daf79d29cc14f4Andreas Huber buffer->range_length()); 213930ab66297501757d745b9ae10da61adcd891f497Andreas Huber } 214030ab66297501757d745b9ae10da61adcd891f497Andreas Huber 214130ab66297501757d745b9ae10da61adcd891f497Andreas Huber buffer->release(); 214230ab66297501757d745b9ae10da61adcd891f497Andreas Huber buffer = NULL; 214330ab66297501757d745b9ae10da61adcd891f497Andreas Huber 2144548e31844937b37518fbb62ff69e9ff1f794183bAndreas Huber mGotAllCodecSpecificData = true; 214530ab66297501757d745b9ae10da61adcd891f497Andreas Huber continue; 2146a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 2147a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 2148d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong // Make a deep copy of the MediaBuffer and Metadata and release 2149d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong // the original as soon as we can 2150d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong MediaBuffer *copy = new MediaBuffer(buffer->range_length()); 2151d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong memcpy(copy->data(), (uint8_t *)buffer->data() + buffer->range_offset(), 2152d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong buffer->range_length()); 2153d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong copy->set_range(0, buffer->range_length()); 2154d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong meta_data = new MetaData(*buffer->meta_data().get()); 2155d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong buffer->release(); 2156d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong buffer = NULL; 2157d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong 21581c9747a4653aec1395c2bd6896c9b87cb5447837James Dong if (mIsAvc) StripStartcode(copy); 2159e136c3bb38e88315bf8797a464ebf2c788296b22James Dong 2160b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong size_t sampleSize = copy->range_length(); 2161b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong if (mIsAvc) { 2162b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong if (mOwner->useNalLengthFour()) { 2163b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong sampleSize += 4; 2164b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } else { 2165b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong sampleSize += 2; 2166b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } 2167b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong } 2168050b28a593350047845a45a14cc5026221ac1620James Dong 2169d599cd4573b5a2d5914c5040e0565ef866749b77James Dong // Max file size or duration handling 21701f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong mMdatSizeBytes += sampleSize; 21711f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong updateTrackSizeEstimate(); 21721f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong 2173d599cd4573b5a2d5914c5040e0565ef866749b77James Dong if (mOwner->exceedsFileSizeLimit()) { 2174d599cd4573b5a2d5914c5040e0565ef866749b77James Dong mOwner->notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED, 0); 2175d599cd4573b5a2d5914c5040e0565ef866749b77James Dong break; 2176d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 2177d599cd4573b5a2d5914c5040e0565ef866749b77James Dong if (mOwner->exceedsFileDurationLimit()) { 2178d599cd4573b5a2d5914c5040e0565ef866749b77James Dong mOwner->notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_MAX_DURATION_REACHED, 0); 2179d599cd4573b5a2d5914c5040e0565ef866749b77James Dong break; 2180d599cd4573b5a2d5914c5040e0565ef866749b77James Dong } 2181d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 2182050b28a593350047845a45a14cc5026221ac1620James Dong 2183d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong int32_t isSync = false; 2184d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong meta_data->findInt32(kKeyIsSyncFrame, &isSync); 2185d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong CHECK(meta_data->findInt64(kKeyTime, ×tampUs)); 2186d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong 2187d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong//////////////////////////////////////////////////////////////////////////////// 2188c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 0) { 218970ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong mFirstSampleTimeRealUs = systemTime() / 1000; 2190f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong mStartTimestampUs = timestampUs; 2191f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong mOwner->setStartTimestampUs(mStartTimestampUs); 21928428af5381e835cc783b7ecb0d71cb60961c99c2James Dong previousPausedDurationUs = mStartTimestampUs; 21933c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong } 219448c948b1137e7bbdb161b51908657ab72ac5e2daAndreas Huber 2195a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong if (mResumed) { 21968428af5381e835cc783b7ecb0d71cb60961c99c2James Dong int64_t durExcludingEarlierPausesUs = timestampUs - previousPausedDurationUs; 219743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(durExcludingEarlierPausesUs, 0ll); 21988428af5381e835cc783b7ecb0d71cb60961c99c2James Dong int64_t pausedDurationUs = durExcludingEarlierPausesUs - mTrackDurationUs; 219943089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(pausedDurationUs, lastDurationUs); 22008428af5381e835cc783b7ecb0d71cb60961c99c2James Dong previousPausedDurationUs += pausedDurationUs - lastDurationUs; 2201a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong mResumed = false; 2202a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong } 2203a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong 2204a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong timestampUs -= previousPausedDurationUs; 220543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(timestampUs, 0ll); 2206000e18370baae60ffd9f25b509501dd8c26deabfJames Dong if (!mIsAudio) { 2207965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong /* 2208965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong * Composition time: timestampUs 2209965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong * Decoding time: decodingTimeUs 2210000e18370baae60ffd9f25b509501dd8c26deabfJames Dong * Composition time offset = composition time - decoding time 2211965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong */ 2212965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong int64_t decodingTimeUs; 2213965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong CHECK(meta_data->findInt64(kKeyDecodingTime, &decodingTimeUs)); 2214965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong decodingTimeUs -= previousPausedDurationUs; 2215000e18370baae60ffd9f25b509501dd8c26deabfJames Dong cttsOffsetTimeUs = 2216000e18370baae60ffd9f25b509501dd8c26deabfJames Dong timestampUs + kMaxCttsOffsetTimeUs - decodingTimeUs; 221743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(cttsOffsetTimeUs, 0ll); 2218965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong timestampUs = decodingTimeUs; 2219000e18370baae60ffd9f25b509501dd8c26deabfJames Dong ALOGV("decoding time: %lld and ctts offset time: %lld", 2220000e18370baae60ffd9f25b509501dd8c26deabfJames Dong timestampUs, cttsOffsetTimeUs); 2221000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 2222000e18370baae60ffd9f25b509501dd8c26deabfJames Dong // Update ctts box table if necessary 2223000e18370baae60ffd9f25b509501dd8c26deabfJames Dong currCttsOffsetTimeTicks = 2224000e18370baae60ffd9f25b509501dd8c26deabfJames Dong (cttsOffsetTimeUs * mTimeScale + 500000LL) / 1000000LL; 222543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_LE(currCttsOffsetTimeTicks, 0x0FFFFFFFFLL); 2226c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 0) { 222743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong // Force the first ctts table entry to have one single entry 222843089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong // so that we can do adjustment for the initial track start 222943089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong // time offset easily in writeCttsBox(). 223043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong lastCttsOffsetTimeTicks = currCttsOffsetTimeTicks; 223143089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong addOneCttsTableEntry(1, currCttsOffsetTimeTicks); 223243089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong cttsSampleCount = 0; // No sample in ctts box is pending 223343089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } else { 223443089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong if (currCttsOffsetTimeTicks != lastCttsOffsetTimeTicks) { 223543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong addOneCttsTableEntry(cttsSampleCount, lastCttsOffsetTimeTicks); 223643089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong lastCttsOffsetTimeTicks = currCttsOffsetTimeTicks; 223743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong cttsSampleCount = 1; // One sample in ctts box is pending 223843089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } else { 223943089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong ++cttsSampleCount; 224043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } 224143089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } 2242000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 2243000e18370baae60ffd9f25b509501dd8c26deabfJames Dong // Update ctts time offset range 2244c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 0) { 2245000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mMinCttsOffsetTimeUs = currCttsOffsetTimeTicks; 2246000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mMaxCttsOffsetTimeUs = currCttsOffsetTimeTicks; 2247000e18370baae60ffd9f25b509501dd8c26deabfJames Dong } else { 2248000e18370baae60ffd9f25b509501dd8c26deabfJames Dong if (currCttsOffsetTimeTicks > mMaxCttsOffsetTimeUs) { 2249000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mMaxCttsOffsetTimeUs = currCttsOffsetTimeTicks; 2250000e18370baae60ffd9f25b509501dd8c26deabfJames Dong } else if (currCttsOffsetTimeTicks < mMinCttsOffsetTimeUs) { 2251000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mMinCttsOffsetTimeUs = currCttsOffsetTimeTicks; 2252000e18370baae60ffd9f25b509501dd8c26deabfJames Dong } 2253000e18370baae60ffd9f25b509501dd8c26deabfJames Dong } 2254000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 2255965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong } 2256872a481558350634a3fd5cb67939de288af00ecbJames Dong 2257de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui if (mOwner->isRealTimeRecording()) { 2258872a481558350634a3fd5cb67939de288af00ecbJames Dong if (mIsAudio) { 2259872a481558350634a3fd5cb67939de288af00ecbJames Dong updateDriftTime(meta_data); 2260e259531ce59ab1f31de5a23124b22536f6a5a767James Dong } 2261e259531ce59ab1f31de5a23124b22536f6a5a767James Dong } 2262872a481558350634a3fd5cb67939de288af00ecbJames Dong 226343089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(timestampUs, 0ll); 22643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("%s media time stamp: %lld and previous paused duration %lld", 22658428af5381e835cc783b7ecb0d71cb60961c99c2James Dong mIsAudio? "Audio": "Video", timestampUs, previousPausedDurationUs); 2266c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong if (timestampUs > mTrackDurationUs) { 2267c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong mTrackDurationUs = timestampUs; 22683b240d6bf235f6f6b40ee4c37a2862de286ca1e4Andreas Huber } 22693b240d6bf235f6f6b40ee4c37a2862de286ca1e4Andreas Huber 22705a217fba010e801c255503602bda4b86ac5a6ac9James Dong // We need to use the time scale based ticks, rather than the 22715a217fba010e801c255503602bda4b86ac5a6ac9James Dong // timestamp itself to determine whether we have to use a new 22725a217fba010e801c255503602bda4b86ac5a6ac9James Dong // stts entry, since we may have rounding errors. 22735a217fba010e801c255503602bda4b86ac5a6ac9James Dong // The calculation is intended to reduce the accumulated 22745a217fba010e801c255503602bda4b86ac5a6ac9James Dong // rounding errors. 22755a217fba010e801c255503602bda4b86ac5a6ac9James Dong currDurationTicks = 22765a217fba010e801c255503602bda4b86ac5a6ac9James Dong ((timestampUs * mTimeScale + 500000LL) / 1000000LL - 22775a217fba010e801c255503602bda4b86ac5a6ac9James Dong (lastTimestampUs * mTimeScale + 500000LL) / 1000000LL); 2278c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (currDurationTicks < 0ll) { 2279c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ALOGE("timestampUs %lld < lastTimestampUs %lld for %s track", 2280c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong timestampUs, lastTimestampUs, mIsAudio? "Audio": "Video"); 2281c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong return UNKNOWN_ERROR; 22828c460498c028888c533ab442be12b6d4b669b965James Dong } 22838c460498c028888c533ab442be12b6d4b669b965James Dong 2284c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStszTableEntries->add(htonl(sampleSize)); 2285c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() > 2) { 2286c059860c73678a202bfa33062723e8f82fb779d9James Dong 2287a472613aec322e25891abf5c77bf3f7e3c244920James Dong // Force the first sample to have its own stts entry so that 2288a472613aec322e25891abf5c77bf3f7e3c244920James Dong // we can adjust its value later to maintain the A/V sync. 2289c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 3 || currDurationTicks != lastDurationTicks) { 229079761ab096f57c3027fad9556c2bc436672d614eJames Dong addOneSttsTableEntry(sampleCount, lastDurationTicks); 2291be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong sampleCount = 1; 2292be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } else { 2293be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong ++sampleCount; 2294be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } 2295965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 2296be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } 2297be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong if (mSamplesHaveSameSize) { 2298c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() >= 2 && previousSampleSize != sampleSize) { 2299be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong mSamplesHaveSameSize = false; 2300be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } 23018644c14618d30d9e57a69df40ed939986ebf02c4James Dong previousSampleSize = sampleSize; 2302be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } 23033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("%s timestampUs/lastTimestampUs: %lld/%lld", 2304a472613aec322e25891abf5c77bf3f7e3c244920James Dong mIsAudio? "Audio": "Video", timestampUs, lastTimestampUs); 23058644c14618d30d9e57a69df40ed939986ebf02c4James Dong lastDurationUs = timestampUs - lastTimestampUs; 2306c059860c73678a202bfa33062723e8f82fb779d9James Dong lastDurationTicks = currDurationTicks; 23078644c14618d30d9e57a69df40ed939986ebf02c4James Dong lastTimestampUs = timestampUs; 230820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2309d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong if (isSync != 0) { 2310c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong addOneStssTableEntry(mStszTableEntries->count()); 2311d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong } 2312d07139e2e817a9b3ae9c87ba4e1e8d65d3e549daJames Dong 231393d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong if (mTrackingProgressStatus) { 231493d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong if (mPreviousTrackTimeUs <= 0) { 231593d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mPreviousTrackTimeUs = mStartTimestampUs; 231693d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong } 2317faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong trackProgressStatus(timestampUs); 231893d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong } 231943ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong if (!hasMultipleTracks) { 2320c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t offset = mIsAvc? mOwner->addLengthPrefixedSample_l(copy) 232158ae9c530247668f8af36e30d228c716c226b3d4James Dong : mOwner->addSample_l(copy); 2322c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 2323c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t count = (mOwner->use32BitFileOffset() 2324c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ? mStcoTableEntries->count() 2325c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong : mCo64TableEntries->count()); 2326c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 2327c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (count == 0) { 23281f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong addChunkOffset(offset); 232958ae9c530247668f8af36e30d228c716c226b3d4James Dong } 233058ae9c530247668f8af36e30d228c716c226b3d4James Dong copy->release(); 233158ae9c530247668f8af36e30d228c716c226b3d4James Dong copy = NULL; 233258ae9c530247668f8af36e30d228c716c226b3d4James Dong continue; 233358ae9c530247668f8af36e30d228c716c226b3d4James Dong } 233413aec890216948b0c364f8f92792129d0335f506James Dong 233513aec890216948b0c364f8f92792129d0335f506James Dong mChunkSamples.push_back(copy); 233613aec890216948b0c364f8f92792129d0335f506James Dong if (interleaveDurationUs == 0) { 23371f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong addOneStscTableEntry(++nChunks, 1); 23381c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bufferChunk(timestampUs); 233913aec890216948b0c364f8f92792129d0335f506James Dong } else { 234013aec890216948b0c364f8f92792129d0335f506James Dong if (chunkTimestampUs == 0) { 234113aec890216948b0c364f8f92792129d0335f506James Dong chunkTimestampUs = timestampUs; 234213aec890216948b0c364f8f92792129d0335f506James Dong } else { 234343ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong int64_t chunkDurationUs = timestampUs - chunkTimestampUs; 234443ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong if (chunkDurationUs > interleaveDurationUs) { 234543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong if (chunkDurationUs > mMaxChunkDurationUs) { 234643ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mMaxChunkDurationUs = chunkDurationUs; 234743ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong } 234813aec890216948b0c364f8f92792129d0335f506James Dong ++nChunks; 234913aec890216948b0c364f8f92792129d0335f506James Dong if (nChunks == 1 || // First chunk 2350c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong lastSamplesPerChunk != mChunkSamples.size()) { 2351c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong lastSamplesPerChunk = mChunkSamples.size(); 2352c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong addOneStscTableEntry(nChunks, lastSamplesPerChunk); 235313aec890216948b0c364f8f92792129d0335f506James Dong } 23541c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bufferChunk(timestampUs); 235513aec890216948b0c364f8f92792129d0335f506James Dong chunkTimestampUs = timestampUs; 235613aec890216948b0c364f8f92792129d0335f506James Dong } 235713aec890216948b0c364f8f92792129d0335f506James Dong } 235813aec890216948b0c364f8f92792129d0335f506James Dong } 235913aec890216948b0c364f8f92792129d0335f506James Dong 236020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 236125b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 236245c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong if (isTrackMalFormed()) { 2363690f546b0ee548dbfe997df36418e5302ec2d786James Dong err = ERROR_MALFORMED; 2364f0ce2fb0c7bf3a414279e5aba61105f3d9025c0eJames Dong } 236545c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 2366bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong mOwner->trackProgressStatus(mTrackId, -1, err); 2367be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong 236813aec890216948b0c364f8f92792129d0335f506James Dong // Last chunk 236943ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong if (!hasMultipleTracks) { 2370c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong addOneStscTableEntry(1, mStszTableEntries->count()); 237158ae9c530247668f8af36e30d228c716c226b3d4James Dong } else if (!mChunkSamples.empty()) { 23721f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong addOneStscTableEntry(++nChunks, mChunkSamples.size()); 23731c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bufferChunk(timestampUs); 237413aec890216948b0c364f8f92792129d0335f506James Dong } 237513aec890216948b0c364f8f92792129d0335f506James Dong 2376be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong // We don't really know how long the last frame lasts, since 2377be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong // there is no frame time after it, just repeat the previous 2378be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong // frame's duration. 2379c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 1) { 23808f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong lastDurationUs = 0; // A single sample's duration 238179761ab096f57c3027fad9556c2bc436672d614eJames Dong lastDurationTicks = 0; 2382be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } else { 2383be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong ++sampleCount; // Count for the last sample 2384be83c9e8c71ce16c0d0e9ed9df525510a49a541bJames Dong } 2385a472613aec322e25891abf5c77bf3f7e3c244920James Dong 2386c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() <= 2) { 238779761ab096f57c3027fad9556c2bc436672d614eJames Dong addOneSttsTableEntry(1, lastDurationTicks); 2388a472613aec322e25891abf5c77bf3f7e3c244920James Dong if (sampleCount - 1 > 0) { 238979761ab096f57c3027fad9556c2bc436672d614eJames Dong addOneSttsTableEntry(sampleCount - 1, lastDurationTicks); 2390a472613aec322e25891abf5c77bf3f7e3c244920James Dong } 2391a472613aec322e25891abf5c77bf3f7e3c244920James Dong } else { 239279761ab096f57c3027fad9556c2bc436672d614eJames Dong addOneSttsTableEntry(sampleCount, lastDurationTicks); 2393a472613aec322e25891abf5c77bf3f7e3c244920James Dong } 2394a472613aec322e25891abf5c77bf3f7e3c244920James Dong 239543089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong // The last ctts box may not have been written yet, and this 239643089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong // is to make sure that we write out the last ctts box. 239743089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong if (currCttsOffsetTimeTicks == lastCttsOffsetTimeTicks) { 239843089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong if (cttsSampleCount > 0) { 239943089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong addOneCttsTableEntry(cttsSampleCount, lastCttsOffsetTimeTicks); 240043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } 240143089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong } 240243089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong 2403c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong mTrackDurationUs += lastDurationUs; 240425b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber mReachedEOS = true; 240543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 240643ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong sendTrackSummary(hasMultipleTracks); 240743ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 2408df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Received total/0-length (%d/%d) buffers and encoded %d frames. - %s", 2409c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong count, nZeroLengthFrames, mStszTableEntries->count(), mIsAudio? "audio": "video"); 2410872a481558350634a3fd5cb67939de288af00ecbJames Dong if (mIsAudio) { 2411df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Audio track drift time: %lld us", mOwner->getDriftTimeUs()); 2412872a481558350634a3fd5cb67939de288af00ecbJames Dong } 2413365a963142093a1cd8efdcea76b5f65096a5b115James Dong 241437187916a486504acaf83bea30147eb5fbf46ae5James Dong if (err == ERROR_END_OF_STREAM) { 241537187916a486504acaf83bea30147eb5fbf46ae5James Dong return OK; 241637187916a486504acaf83bea30147eb5fbf46ae5James Dong } 241737187916a486504acaf83bea30147eb5fbf46ae5James Dong return err; 2418365a963142093a1cd8efdcea76b5f65096a5b115James Dong} 2419365a963142093a1cd8efdcea76b5f65096a5b115James Dong 242045c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dongbool MPEG4Writer::Track::isTrackMalFormed() const { 2421c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mStszTableEntries->count() == 0) { // no samples written 242229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("The number of recorded samples is 0"); 242345c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong return true; 242445c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong } 242545c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 2426c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (!mIsAudio && mStssTableEntries->count() == 0) { // no sync frames for video 242729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("There are no sync frames for video track"); 242845c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong return true; 242945c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong } 243045c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 243145c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong if (OK != checkCodecSpecificData()) { // no codec specific data 243245c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong return true; 243345c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong } 243445c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 243545c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong return false; 243645c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong} 243745c254c0c535e1d62f23d14cab7385d536c1e2bfJames Dong 243843ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dongvoid MPEG4Writer::Track::sendTrackSummary(bool hasMultipleTracks) { 243907ec01904613a0bac32caaa8444b4690998faed7James Dong 244007ec01904613a0bac32caaa8444b4690998faed7James Dong // Send track summary only if test mode is enabled. 244107ec01904613a0bac32caaa8444b4690998faed7James Dong if (!isTestModeEnabled()) { 244207ec01904613a0bac32caaa8444b4690998faed7James Dong return; 244307ec01904613a0bac32caaa8444b4690998faed7James Dong } 244407ec01904613a0bac32caaa8444b4690998faed7James Dong 244543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong int trackNum = (mTrackId << 28); 244643ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 244743ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 244843ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_TYPE, 244943ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mIsAudio? 0: 1); 245043ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 245143ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 245243ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_DURATION_MS, 245343ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mTrackDurationUs / 1000); 245443ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 245543ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 245643ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES, 2457c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStszTableEntries->count()); 245843ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 245986b7f47aa7482424cf8fd248f1315311919be3b0James Dong { 246086b7f47aa7482424cf8fd248f1315311919be3b0James Dong // The system delay time excluding the requested initial delay that 246186b7f47aa7482424cf8fd248f1315311919be3b0James Dong // is used to eliminate the recording sound. 246286b7f47aa7482424cf8fd248f1315311919be3b0James Dong int64_t startTimeOffsetUs = mOwner->getStartTimeOffsetMs() * 1000LL; 246386b7f47aa7482424cf8fd248f1315311919be3b0James Dong if (startTimeOffsetUs < 0) { // Start time offset was not set 246486b7f47aa7482424cf8fd248f1315311919be3b0James Dong startTimeOffsetUs = kInitialDelayTimeUs; 246586b7f47aa7482424cf8fd248f1315311919be3b0James Dong } 246686b7f47aa7482424cf8fd248f1315311919be3b0James Dong int64_t initialDelayUs = 246786b7f47aa7482424cf8fd248f1315311919be3b0James Dong mFirstSampleTimeRealUs - mStartTimeRealUs - startTimeOffsetUs; 246886b7f47aa7482424cf8fd248f1315311919be3b0James Dong 246986b7f47aa7482424cf8fd248f1315311919be3b0James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 247070ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS, 247170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong (initialDelayUs) / 1000); 247286b7f47aa7482424cf8fd248f1315311919be3b0James Dong } 247370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 247407ec01904613a0bac32caaa8444b4690998faed7James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 247507ec01904613a0bac32caaa8444b4690998faed7James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES, 247607ec01904613a0bac32caaa8444b4690998faed7James Dong mMdatSizeBytes / 1024); 247707ec01904613a0bac32caaa8444b4690998faed7James Dong 247843ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong if (hasMultipleTracks) { 247943ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 248043ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS, 248143ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong mMaxChunkDurationUs / 1000); 248270ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 248370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t moovStartTimeUs = mOwner->getStartTimestampUs(); 248470ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong if (mStartTimestampUs != moovStartTimeUs) { 248570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t startTimeOffsetUs = mStartTimestampUs - moovStartTimeUs; 248670ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 248770ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS, 248870ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong startTimeOffsetUs / 1000); 248970ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong } 249043ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong } 249143ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong} 249243ec1dfc5dc3934680a52a026c5519ddc51bdbd3James Dong 2493faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dongvoid MPEG4Writer::Track::trackProgressStatus(int64_t timeUs, status_t err) { 24943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("trackProgressStatus: %lld us", timeUs); 2495c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong 2496215381ea729086b8359b7f59bdc2bd7cf55a0c45James Dong if (mTrackEveryTimeDurationUs > 0 && 2497215381ea729086b8359b7f59bdc2bd7cf55a0c45James Dong timeUs - mPreviousTrackTimeUs >= mTrackEveryTimeDurationUs) { 24983856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Fire time tracking progress status at %lld us", timeUs); 2499bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong mOwner->trackProgressStatus(mTrackId, timeUs - mPreviousTrackTimeUs, err); 250093d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong mPreviousTrackTimeUs = timeUs; 250193d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong } 250293d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong} 250393d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong 2504faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dongvoid MPEG4Writer::trackProgressStatus( 2505bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong size_t trackId, int64_t timeUs, status_t err) { 2506faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong Mutex::Autolock lock(mLock); 2507bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong int32_t trackNum = (trackId << 28); 2508faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong 2509faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong // Error notification 2510faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong // Do not consider ERROR_END_OF_STREAM an error 2511faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong if (err != OK && err != ERROR_END_OF_STREAM) { 2512bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong notify(MEDIA_RECORDER_TRACK_EVENT_ERROR, 2513bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong trackNum | MEDIA_RECORDER_TRACK_ERROR_GENERAL, 2514faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong err); 2515faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong return; 2516faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong } 2517faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong 2518faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong if (timeUs == -1) { 2519faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong // Send completion notification 2520bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 2521bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS, 2522faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong err); 2523faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong } else { 2524faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong // Send progress status 2525bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong notify(MEDIA_RECORDER_TRACK_EVENT_INFO, 2526bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong trackNum | MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME, 2527faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong timeUs / 1000); 2528faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong } 2529faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong} 2530faed5cd124a54b8db3429f4c26b3220bbec4c8bbJames Dong 2531d707fcb3e29707ca4a5935c294ef0b38eb5aba5fJames Dongvoid MPEG4Writer::setDriftTimeUs(int64_t driftTimeUs) { 25323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setDriftTimeUs: %lld us", driftTimeUs); 2533e259531ce59ab1f31de5a23124b22536f6a5a767James Dong Mutex::Autolock autolock(mLock); 2534d707fcb3e29707ca4a5935c294ef0b38eb5aba5fJames Dong mDriftTimeUs = driftTimeUs; 2535e259531ce59ab1f31de5a23124b22536f6a5a767James Dong} 2536e259531ce59ab1f31de5a23124b22536f6a5a767James Dong 2537e259531ce59ab1f31de5a23124b22536f6a5a767James Dongint64_t MPEG4Writer::getDriftTimeUs() { 25383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getDriftTimeUs: %lld us", mDriftTimeUs); 2539e259531ce59ab1f31de5a23124b22536f6a5a767James Dong Mutex::Autolock autolock(mLock); 2540e259531ce59ab1f31de5a23124b22536f6a5a767James Dong return mDriftTimeUs; 2541e259531ce59ab1f31de5a23124b22536f6a5a767James Dong} 2542e259531ce59ab1f31de5a23124b22536f6a5a767James Dong 2543de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghuibool MPEG4Writer::isRealTimeRecording() const { 2544de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui return mIsRealTimeRecording; 2545de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui} 2546de05c8eab188e98798f2b9c3dfac53dbc18ef584ztenghui 2547b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dongbool MPEG4Writer::useNalLengthFour() { 2548b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong return mUse4ByteNalLength; 2549b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong} 2550b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong 25511c9747a4653aec1395c2bd6896c9b87cb5447837James Dongvoid MPEG4Writer::Track::bufferChunk(int64_t timestampUs) { 25523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("bufferChunk"); 25531c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 25541c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Chunk chunk(this, timestampUs, mChunkSamples); 25551c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mOwner->bufferChunk(chunk); 255613aec890216948b0c364f8f92792129d0335f506James Dong mChunkSamples.clear(); 255720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 255820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 25593b240d6bf235f6f6b40ee4c37a2862de286ca1e4Andreas Huberint64_t MPEG4Writer::Track::getDurationUs() const { 2560c5f0c714dc4225cd2ec305d5ddd297964a3dd3dcJames Dong return mTrackDurationUs; 256120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 256220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2563d599cd4573b5a2d5914c5040e0565ef866749b77James Dongint64_t MPEG4Writer::Track::getEstimatedTrackSizeBytes() const { 2564d599cd4573b5a2d5914c5040e0565ef866749b77James Dong return mEstimatedTrackSizeBytes; 2565d599cd4573b5a2d5914c5040e0565ef866749b77James Dong} 2566d599cd4573b5a2d5914c5040e0565ef866749b77James Dong 2567690f546b0ee548dbfe997df36418e5302ec2d786James Dongstatus_t MPEG4Writer::Track::checkCodecSpecificData() const { 2568690f546b0ee548dbfe997df36418e5302ec2d786James Dong const char *mime; 2569690f546b0ee548dbfe997df36418e5302ec2d786James Dong CHECK(mMeta->findCString(kKeyMIMEType, &mime)); 2570690f546b0ee548dbfe997df36418e5302ec2d786James Dong if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mime) || 2571690f546b0ee548dbfe997df36418e5302ec2d786James Dong !strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime) || 2572690f546b0ee548dbfe997df36418e5302ec2d786James Dong !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) { 2573690f546b0ee548dbfe997df36418e5302ec2d786James Dong if (!mCodecSpecificData || 2574690f546b0ee548dbfe997df36418e5302ec2d786James Dong mCodecSpecificDataSize <= 0) { 257529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Missing codec specific data"); 2576690f546b0ee548dbfe997df36418e5302ec2d786James Dong return ERROR_MALFORMED; 2577690f546b0ee548dbfe997df36418e5302ec2d786James Dong } 2578690f546b0ee548dbfe997df36418e5302ec2d786James Dong } else { 2579690f546b0ee548dbfe997df36418e5302ec2d786James Dong if (mCodecSpecificData || 2580690f546b0ee548dbfe997df36418e5302ec2d786James Dong mCodecSpecificDataSize > 0) { 258129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Unexepected codec specific data found"); 2582690f546b0ee548dbfe997df36418e5302ec2d786James Dong return ERROR_MALFORMED; 2583690f546b0ee548dbfe997df36418e5302ec2d786James Dong } 2584690f546b0ee548dbfe997df36418e5302ec2d786James Dong } 2585690f546b0ee548dbfe997df36418e5302ec2d786James Dong return OK; 2586690f546b0ee548dbfe997df36418e5302ec2d786James Dong} 2587690f546b0ee548dbfe997df36418e5302ec2d786James Dong 2588b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeTrackHeader(bool use32BitOffset) { 258920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 25903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("%s track time scale: %d", 25911c9747a4653aec1395c2bd6896c9b87cb5447837James Dong mIsAudio? "Audio": "Video", mTimeScale); 25928f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong 2593efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlsson uint32_t now = getMpeg4Time(); 2594b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("trak"); 2595b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeTkhdBox(now); 2596b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("mdia"); 2597b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeMdhdBox(now); 2598b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeHdlrBox(); 2599b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("minf"); 2600b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (mIsAudio) { 2601b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeSmhdBox(); 2602b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 2603b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeVmhdBox(); 2604b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2605b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeDinfBox(); 2606b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeStblBox(use32BitOffset); 2607b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // minf 2608b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // mdia 2609b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // trak 2610b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2611b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2612b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeStblBox(bool use32BitOffset) { 2613b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("stbl"); 2614b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("stsd"); 2615b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2616b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(1); // entry count 2617b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (mIsAudio) { 2618b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeAudioFourCCBox(); 2619b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 2620b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeVideoFourCCBox(); 2621b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2622b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stsd 2623b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeSttsBox(); 2624965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong writeCttsBox(); 2625b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (!mIsAudio) { 2626b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeStssBox(); 2627b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2628b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeStszBox(); 2629b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeStscBox(); 2630b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeStcoBox(use32BitOffset); 2631b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stbl 2632b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2633b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2634b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeVideoFourCCBox() { 2635b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong const char *mime; 2636b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong bool success = mMeta->findCString(kKeyMIMEType, &mime); 2637b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(success); 2638b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) { 2639b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("mp4v"); 2640b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) { 2641b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("s263"); 2642b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) { 2643b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("avc1"); 2644b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 264529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Unknown mime type '%s'.", mime); 2646b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(!"should not be here, unknown mime type."); 2647b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2648b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2649b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2650b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2651b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(1); // data ref index 2652b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // predefined 2653b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2654b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // predefined 2655b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // predefined 2656b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // predefined 2657b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2658b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t width, height; 2659b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong success = mMeta->findInt32(kKeyWidth, &width); 2660b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong success = success && mMeta->findInt32(kKeyHeight, &height); 2661b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(success); 2662b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2663b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(width); 2664b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(height); 2665b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0x480000); // horiz resolution 2666b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0x480000); // vert resolution 2667b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2668b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(1); // frame count 2669c30a88a273b47bef6728ae1dddea11641090939aMartin Storsjo mOwner->writeInt8(0); // compressor string length 2670c30a88a273b47bef6728ae1dddea11641090939aMartin Storsjo mOwner->write(" ", 31); 2671b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x18); // depth 2672b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(-1); // predefined 2673b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 267443089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_LT(23 + mCodecSpecificDataSize, 128); 2675b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2676b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) { 2677b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeMp4vEsdsBox(); 2678b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) { 2679b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeD263Box(); 2680b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) { 2681b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeAvccBox(); 2682b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2683b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2684b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writePaspBox(); 2685b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // mp4v, s263 or avc1 2686b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2687b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2688b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeAudioFourCCBox() { 2689b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong const char *mime; 2690b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong bool success = mMeta->findCString(kKeyMIMEType, &mime); 2691b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(success); 2692b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong const char *fourcc = NULL; 2693b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mime)) { 2694b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong fourcc = "samr"; 2695b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mime)) { 2696b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong fourcc = "sawb"; 2697b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mime)) { 2698b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong fourcc = "mp4a"; 2699b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 270029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Unknown mime type '%s'.", mime); 2701b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(!"should not be here, unknown mime type."); 2702b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2703b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2704b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox(fourcc); // audio format 2705b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2706b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2707b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x1); // data ref index 2708b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2709b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2710b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t nChannels; 2711b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK_EQ(true, mMeta->findInt32(kKeyChannelCount, &nChannels)); 2712b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(nChannels); // channel count 2713b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(16); // sample size 2714b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // predefined 2715b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2716b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2717b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t samplerate; 2718b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong success = mMeta->findInt32(kKeySampleRate, &samplerate); 2719b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(success); 2720b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(samplerate << 16); 2721b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mime)) { 2722b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeMp4aEsdsBox(); 2723b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mime) || 2724b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong !strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mime)) { 2725b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeDamrBox(); 2726b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2727b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2728b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2729b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2730b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeMp4aEsdsBox() { 2731b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("esds"); 2732b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(mCodecSpecificData); 273343089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GT(mCodecSpecificDataSize, 0); 2734b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2735b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Make sure all sizes encode to a single byte. 273643089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_LT(mCodecSpecificDataSize + 23, 128); 2737b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2738b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2739b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x03); // ES_DescrTag 2740b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(23 + mCodecSpecificDataSize); 2741b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x0000);// ES_ID 2742b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x00); 2743b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2744b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x04); // DecoderConfigDescrTag 2745b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(15 + mCodecSpecificDataSize); 2746b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x40); // objectTypeIndication ISO/IEC 14492-2 2747b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x15); // streamType AudioStream 2748b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2749b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x03); // XXX 2750b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x00); // buffer size 24-bit 2751b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(96000); // max bit rate 2752b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(96000); // avg bit rate 2753b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2754b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x05); // DecoderSpecificInfoTag 2755b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(mCodecSpecificDataSize); 2756b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(mCodecSpecificData, mCodecSpecificDataSize); 2757b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2758b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong static const uint8_t kData2[] = { 2759b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x06, // SLConfigDescriptorTag 2760b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x01, 2761b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x02 2762b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong }; 2763b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(kData2, sizeof(kData2)); 2764b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2765b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // esds 2766b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2767b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2768b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeMp4vEsdsBox() { 2769b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(mCodecSpecificData); 277043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GT(mCodecSpecificDataSize, 0); 2771b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("esds"); 2772b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2773b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2774b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2775b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x03); // ES_DescrTag 2776b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(23 + mCodecSpecificDataSize); 2777b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x0000); // ES_ID 2778b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x1f); 2779b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2780b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x04); // DecoderConfigDescrTag 2781b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(15 + mCodecSpecificDataSize); 2782b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x20); // objectTypeIndication ISO/IEC 14492-2 2783b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x11); // streamType VisualStream 2784b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2785b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong static const uint8_t kData[] = { 2786b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x01, 0x77, 0x00, 2787b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x00, 0x03, 0xe8, 0x00, 2788b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x00, 0x03, 0xe8, 0x00 2789b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong }; 2790b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(kData, sizeof(kData)); 2791b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2792b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0x05); // DecoderSpecificInfoTag 2793b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2794b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(mCodecSpecificDataSize); 2795b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(mCodecSpecificData, mCodecSpecificDataSize); 2796b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2797b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong static const uint8_t kData2[] = { 2798b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x06, // SLConfigDescriptorTag 2799b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x01, 2800b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 0x02 2801b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong }; 2802b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(kData2, sizeof(kData2)); 2803b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2804b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // esds 2805b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2806b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2807efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlssonvoid MPEG4Writer::Track::writeTkhdBox(uint32_t now) { 2808b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("tkhd"); 2809b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Flags = 7 to indicate that the track is enabled, and 2810b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // part of the presentation 2811b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0x07); // version=0, flags=7 2812b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(now); // creation time 2813b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(now); // modification time 2814219f195159f93d627af2b243732e3f9020511a46James Dong mOwner->writeInt32(mTrackId); // track id starts with 1 2815b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 28168f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int64_t trakDurationUs = getDurationUs(); 2817b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t mvhdTimeScale = mOwner->getTimeScale(); 2818b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t tkhdDuration = 2819b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong (trakDurationUs * mvhdTimeScale + 5E5) / 1E6; 2820b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(tkhdDuration); // in mvhd timescale 2821b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2822b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2823b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // layer 2824b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // alternate group 2825b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(mIsAudio ? 0x100 : 0); // volume 2826b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2827b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2828b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeCompositionMatrix(mRotation); // matrix 282920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2830b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (mIsAudio) { 2831b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); 2832b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); 2833b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } else { 2834b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t width, height; 2835b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong bool success = mMeta->findInt32(kKeyWidth, &width); 2836b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong success = success && mMeta->findInt32(kKeyHeight, &height); 2837b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(success); 2838b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2839b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(width << 16); // 32-bit fixed-point value 2840b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(height << 16); // 32-bit fixed-point value 2841b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2842b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // tkhd 2843b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2844b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2845b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeVmhdBox() { 2846b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("vmhd"); 2847b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0x01); // version=0, flags=1 2848b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // graphics mode 2849b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // opcolor 2850b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); 2851b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); 2852b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2853b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2854b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2855b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeSmhdBox() { 2856b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("smhd"); 2857b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2858b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // balance 2859b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // reserved 2860b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2861b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2862b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2863b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeHdlrBox() { 2864b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("hdlr"); 2865b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2866b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // component type: should be mhlr 2867b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeFourcc(mIsAudio ? "soun" : "vide"); // component subtype 2868b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2869b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2870b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // reserved 2871b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Removing "r" for the name string just makes the string 4 byte aligned 2872b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeCString(mIsAudio ? "SoundHandle": "VideoHandle"); // name 2873b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2874b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2875b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2876efcdf187baab9ec29e12adcf85e63fe3e6d5aa4dJohannes Carlssonvoid MPEG4Writer::Track::writeMdhdBox(uint32_t now) { 2877b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int64_t trakDurationUs = getDurationUs(); 2878b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("mdhd"); 2879b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2880b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(now); // creation time 2881b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(now); // modification time 2882b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(mTimeScale); // media timescale 2883b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int32_t mdhdDuration = (trakDurationUs * mTimeScale + 5E5) / 1E6; 2884b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(mdhdDuration); // use media timescale 2885b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Language follows the three letter standard ISO-639-2/T 2886b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // 'e', 'n', 'g' for "English", for instance. 2887b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Each character is packed as the difference between its ASCII value and 0x60. 2888b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // For "English", these are 00101, 01110, 00111. 2889b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // XXX: Where is the padding bit located: 0x15C7? 2890b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // language code 2891b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0); // predefined 2892b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2893b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2894b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2895b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeDamrBox() { 2896b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // 3gpp2 Spec AMRSampleEntry fields 2897b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("damr"); 2898b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeCString(" "); // vendor: 4 bytes 2899b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0); // decoder version 2900b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt16(0x83FF); // mode set: all enabled 2901b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0); // mode change period 2902b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(1); // frames per sample 2903b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); 2904b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2905b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2906b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeUrlBox() { 2907b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // The table index here refers to the sample description index 2908b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // in the sample table entries. 2909b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("url "); 2910b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(1); // version=0, flags=1 (self-contained) 2911b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // url 2912b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2913b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2914b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeDrefBox() { 2915b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("dref"); 2916b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 2917b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(1); // entry count (either url or urn) 2918b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeUrlBox(); 2919b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // dref 2920b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2921b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2922b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeDinfBox() { 2923b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("dinf"); 2924b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong writeDrefBox(); 2925b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // dinf 2926b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2927b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2928b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeAvccBox() { 2929b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong CHECK(mCodecSpecificData); 293043089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GE(mCodecSpecificDataSize, 5); 2931b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2932b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // Patch avcc's lengthSize field to match the number 2933b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong // of bytes we use to indicate the size of a nal unit. 2934b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong uint8_t *ptr = (uint8_t *)mCodecSpecificData; 2935b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong ptr[4] = (ptr[4] & 0xfc) | (mOwner->useNalLengthFour() ? 3 : 1); 2936b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("avcC"); 2937b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->write(mCodecSpecificData, mCodecSpecificDataSize); 2938b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // avcC 2939b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2940b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2941b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeD263Box() { 2942b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("d263"); 2943b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // vendor 2944b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0); // decoder version 2945b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(10); // level: 10 2946b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt8(0); // profile: 0 2947b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // d263 2948b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2949b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2950b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong// This is useful if the pixel is not square 2951b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writePaspBox() { 2952b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("pasp"); 2953b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(1 << 16); // hspacing 2954b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(1 << 16); // vspacing 2955b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // pasp 2956b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 2957b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong 2958000e18370baae60ffd9f25b509501dd8c26deabfJames Dongint32_t MPEG4Writer::Track::getStartTimeOffsetScaledTime() const { 2959a472613aec322e25891abf5c77bf3f7e3c244920James Dong int64_t trackStartTimeOffsetUs = 0; 2960b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong int64_t moovStartTimeUs = mOwner->getStartTimestampUs(); 2961b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong if (mStartTimestampUs != moovStartTimeUs) { 296243089daaf82bd2b8e5f9a29b80af5abaae4657b3James Dong CHECK_GT(mStartTimestampUs, moovStartTimeUs); 2963b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong trackStartTimeOffsetUs = mStartTimestampUs - moovStartTimeUs; 2964b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 2965000e18370baae60ffd9f25b509501dd8c26deabfJames Dong return (trackStartTimeOffsetUs * mTimeScale + 500000LL) / 1000000LL; 2966000e18370baae60ffd9f25b509501dd8c26deabfJames Dong} 2967000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 2968000e18370baae60ffd9f25b509501dd8c26deabfJames Dongvoid MPEG4Writer::Track::writeSttsBox() { 2969000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mOwner->beginBox("stts"); 2970000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mOwner->writeInt32(0); // version=0, flags=0 2971c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t duration; 2972c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK(mSttsTableEntries->get(duration, 1)); 2973c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong duration = htonl(duration); // Back to host byte order 2974c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries->set(htonl(duration + getStartTimeOffsetScaledTime()), 1); 2975c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mSttsTableEntries->write(mOwner); 2976b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stts 2977b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 297820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2979965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dongvoid MPEG4Writer::Track::writeCttsBox() { 2980965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong if (mIsAudio) { // ctts is not for audio 2981965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong return; 2982965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong } 2983965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 2984000e18370baae60ffd9f25b509501dd8c26deabfJames Dong // There is no B frame at all 2985000e18370baae60ffd9f25b509501dd8c26deabfJames Dong if (mMinCttsOffsetTimeUs == mMaxCttsOffsetTimeUs) { 2986000e18370baae60ffd9f25b509501dd8c26deabfJames Dong return; 2987000e18370baae60ffd9f25b509501dd8c26deabfJames Dong } 2988000e18370baae60ffd9f25b509501dd8c26deabfJames Dong 2989965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong // Do not write ctts box when there is no need to have it. 2990c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (mCttsTableEntries->count() == 0) { 2991965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong return; 2992965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong } 2993965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 2994c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong ALOGV("ctts box has %d entries with range [%lld, %lld]", 2995c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->count(), mMinCttsOffsetTimeUs, mMaxCttsOffsetTimeUs); 2996965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 2997965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong mOwner->beginBox("ctts"); 2998000e18370baae60ffd9f25b509501dd8c26deabfJames Dong mOwner->writeInt32(0); // version=0, flags=0 2999c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong uint32_t duration; 3000c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong CHECK(mCttsTableEntries->get(duration, 1)); 3001c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong duration = htonl(duration); // Back host byte order 3002c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->set(htonl(duration + getStartTimeOffsetScaledTime() - mMinCttsOffsetTimeUs), 1); 3003c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCttsTableEntries->write(mOwner); 3004965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong mOwner->endBox(); // ctts 3005965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong} 3006965e4239ca1cf6c824c1f8ce23116f9ba8cf6ebdJames Dong 3007b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeStssBox() { 3008b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("stss"); 3009b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 3010c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStssTableEntries->write(mOwner); 3011b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stss 3012b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 301325b130939339d57789a86fac837a2a8cedbcb7d8Andreas Huber 3014b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeStszBox() { 3015b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("stsz"); 3016b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 3017c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mOwner->writeInt32(0); 3018c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStszTableEntries->write(mOwner); 3019b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stsz 3020b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 302120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3022b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeStscBox() { 3023b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox("stsc"); 3024b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 3025c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStscTableEntries->write(mOwner); 3026b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stsc 3027b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong} 302820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3029b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dongvoid MPEG4Writer::Track::writeStcoBox(bool use32BitOffset) { 3030b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->beginBox(use32BitOffset? "stco": "co64"); 3031b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->writeInt32(0); // version=0, flags=0 3032c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong if (use32BitOffset) { 3033c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mStcoTableEntries->write(mOwner); 3034c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong } else { 3035c620cbd7f8dc75f6819e2b862d3c09970560bc63James Dong mCo64TableEntries->write(mOwner); 3036b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong } 3037b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong mOwner->endBox(); // stco or co64 303820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 303920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 304007b1bb529a1ae76c46a71b01338c166f9490629dJames Dongvoid MPEG4Writer::writeUdtaBox() { 304107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong beginBox("udta"); 304207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeGeoDataBox(); 304307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong endBox(); 304407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong} 304507b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 304607b1bb529a1ae76c46a71b01338c166f9490629dJames Dong/* 304707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * Geodata is stored according to ISO-6709 standard. 304807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong */ 304907b1bb529a1ae76c46a71b01338c166f9490629dJames Dongvoid MPEG4Writer::writeGeoDataBox() { 305007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong beginBox("\xA9xyz"); 305107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong /* 305207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * For historical reasons, any user data start 305307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * with "\0xA9", must be followed by its assoicated 305407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong * language code. 3055432ec3768cc4a3b1b01afedc456689d75c89ee2bJames Dong * 0x0012: text string length 3056432ec3768cc4a3b1b01afedc456689d75c89ee2bJames Dong * 0x15c7: lang (locale) code: en 305707b1bb529a1ae76c46a71b01338c166f9490629dJames Dong */ 305807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeInt32(0x001215c7); 305907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeLatitude(mLatitudex10000); 306007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeLongitude(mLongitudex10000); 306107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong writeInt8(0x2F); 306207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong endBox(); 306307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong} 306407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 306520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 3066