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 1720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#ifndef MPEG4_WRITER_H_ 1820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#define MPEG4_WRITER_H_ 2020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <stdio.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 232dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huber#include <media/stagefright/MediaWriter.h> 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/List.h> 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/threads.h> 2620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2720111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MediaBuffer; 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MediaSource; 3120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MetaData; 3220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 332dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huberclass MPEG4Writer : public MediaWriter { 3420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 3520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Writer(const char *filename); 3630ab66297501757d745b9ae10da61adcd891f497Andreas Huber MPEG4Writer(int fd); 3720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 382dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huber virtual status_t addSource(const sp<MediaSource> &source); 392dec2b5be2056c6d9428897dc672185872d30d17James Dong virtual status_t start(MetaData *param = NULL); 408bcc65c753085fe3328592cceda0cf0e8f8b0a45James Dong virtual status_t stop() { return reset(); } 4137187916a486504acaf83bea30147eb5fbf46ae5James Dong virtual status_t pause(); 422dce41ad26cb3e9e15c9e456a84bcf5309548ca0Andreas Huber virtual bool reachedEOS(); 43dedf414d3fe2e79ee0aad0f1c82ca16ebd886ff6James Dong virtual status_t dump(int fd, const Vector<String16>& args); 4420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void beginBox(const char *fourcc); 4620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeInt8(int8_t x); 4720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeInt16(int16_t x); 4820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeInt32(int32_t x); 4920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeInt64(int64_t x); 5020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeCString(const char *s); 5120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void writeFourcc(const char *fourcc); 5220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void write(const void *data, size_t size); 538c460498c028888c533ab442be12b6d4b669b965James Dong inline size_t write(const void *ptr, size_t size, size_t nmemb); 5420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber void endBox(); 5513aec890216948b0c364f8f92792129d0335f506James Dong uint32_t interleaveDuration() const { return mInterleaveDurationUs; } 5613aec890216948b0c364f8f92792129d0335f506James Dong status_t setInterleaveDuration(uint32_t duration); 578f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int32_t getTimeScale() const { return mTimeScale; } 5820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong status_t setGeoData(int latitudex10000, int longitudex10000); 6086b7f47aa7482424cf8fd248f1315311919be3b0James Dong void setStartTimeOffsetMs(int ms) { mStartTimeOffsetMs = ms; } 6186b7f47aa7482424cf8fd248f1315311919be3b0James Dong int32_t getStartTimeOffsetMs() const { return mStartTimeOffsetMs; } 6207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong 63693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 64693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Writer(); 65693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 6620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber class Track; 6820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 69c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong int mFd; 70674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong status_t mInitCheck; 71b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong bool mUse4ByteNalLength; 721acfe8649f8169caf2ff098c2dc2de880d9a3760James Dong bool mUse32BitOffset; 73a007e8229fb2be4866c483f9cd6c4af238a2da5eJames Dong bool mIsFileSizeLimitExplicitlyRequested; 74a7d1a2dd776bf356c228785a94ba8e0ff6a2ec7fJames Dong bool mPaused; 75411ba422e3635d534928ffd81abf54f4f291c739James Dong bool mStarted; // Writer thread + track threads started successfully 76411ba422e3635d534928ffd81abf54f4f291c739James Dong bool mWriterThreadStarted; // Only writer thread started successfully 77c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mOffset; 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber off_t mMdatOffset; 797837c17063a4c50bc856ba59418516fdab731de7James Dong uint8_t *mMoovBoxBuffer; 80c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mMoovBoxBufferOffset; 817837c17063a4c50bc856ba59418516fdab731de7James Dong bool mWriteMoovBoxToMemory; 82c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mFreeBoxOffset; 837837c17063a4c50bc856ba59418516fdab731de7James Dong bool mStreamableFile; 84c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t mEstimatedMoovBoxSize; 8513aec890216948b0c364f8f92792129d0335f506James Dong uint32_t mInterleaveDurationUs; 868f5f2fcee5c12d08df71d17017410c50951fc2e3James Dong int32_t mTimeScale; 873c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong int64_t mStartTimestampUs; 8807b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int mLatitudex10000; 8907b1bb529a1ae76c46a71b01338c166f9490629dJames Dong int mLongitudex10000; 9007b1bb529a1ae76c46a71b01338c166f9490629dJames Dong bool mAreGeoTagsAvailable; 9186b7f47aa7482424cf8fd248f1315311919be3b0James Dong int32_t mStartTimeOffsetMs; 921c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 9320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex mLock; 9420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber List<Track *> mTracks; 9620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 97c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong List<off64_t> mBoxes; 9820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 99f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong void setStartTimestampUs(int64_t timeUs); 100f60cafe0e6aad8f9ce54660fa88b651ae4e749e6James Dong int64_t getStartTimestampUs(); // Not const 10193d6b102a13afa23bfa80d74c399d93d542e6ad6James Dong status_t startTracks(MetaData *params); 10258ae9c530247668f8af36e30d228c716c226b3d4James Dong size_t numTracks(); 1032dec2b5be2056c6d9428897dc672185872d30d17James Dong int64_t estimateMoovBoxSize(int32_t bitRate); 1043c0131f02b6f008321608044c53bccce2ac5f6ddJames Dong 1051c9747a4653aec1395c2bd6896c9b87cb5447837James Dong struct Chunk { 1061c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Track *mTrack; // Owner 1071c9747a4653aec1395c2bd6896c9b87cb5447837James Dong int64_t mTimeStampUs; // Timestamp of the 1st sample 1081c9747a4653aec1395c2bd6896c9b87cb5447837James Dong List<MediaBuffer *> mSamples; // Sample data 1091c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1101c9747a4653aec1395c2bd6896c9b87cb5447837James Dong // Convenient constructor 111fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong Chunk(): mTrack(NULL), mTimeStampUs(0) {} 112fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong 1131c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Chunk(Track *track, int64_t timeUs, List<MediaBuffer *> samples) 1141c9747a4653aec1395c2bd6896c9b87cb5447837James Dong : mTrack(track), mTimeStampUs(timeUs), mSamples(samples) { 1151c9747a4653aec1395c2bd6896c9b87cb5447837James Dong } 1161c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1171c9747a4653aec1395c2bd6896c9b87cb5447837James Dong }; 1181c9747a4653aec1395c2bd6896c9b87cb5447837James Dong struct ChunkInfo { 1191c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Track *mTrack; // Owner 1201c9747a4653aec1395c2bd6896c9b87cb5447837James Dong List<Chunk> mChunks; // Remaining chunks to be written 12170ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 12270ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong // Previous chunk timestamp that has been written 12370ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t mPrevChunkTimestampUs; 12470ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 12570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong // Max time interval between neighboring chunks 12670ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong int64_t mMaxInterChunkDurUs; 12770ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong 1281c9747a4653aec1395c2bd6896c9b87cb5447837James Dong }; 1291c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1301c9747a4653aec1395c2bd6896c9b87cb5447837James Dong bool mIsFirstChunk; 1311c9747a4653aec1395c2bd6896c9b87cb5447837James Dong volatile bool mDone; // Writer thread is done? 1321c9747a4653aec1395c2bd6896c9b87cb5447837James Dong pthread_t mThread; // Thread id for the writer 1331c9747a4653aec1395c2bd6896c9b87cb5447837James Dong List<ChunkInfo> mChunkInfos; // Chunk infos 1341c9747a4653aec1395c2bd6896c9b87cb5447837James Dong Condition mChunkReadyCondition; // Signal that chunks are available 1351c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1361c9747a4653aec1395c2bd6896c9b87cb5447837James Dong // Writer thread handling 1371c9747a4653aec1395c2bd6896c9b87cb5447837James Dong status_t startWriterThread(); 1381c9747a4653aec1395c2bd6896c9b87cb5447837James Dong void stopWriterThread(); 1391c9747a4653aec1395c2bd6896c9b87cb5447837James Dong static void *ThreadWrapper(void *me); 1401c9747a4653aec1395c2bd6896c9b87cb5447837James Dong void threadFunc(); 1411c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1421c9747a4653aec1395c2bd6896c9b87cb5447837James Dong // Buffer a single chunk to be written out later. 1431c9747a4653aec1395c2bd6896c9b87cb5447837James Dong void bufferChunk(const Chunk& chunk); 1441c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 1451c9747a4653aec1395c2bd6896c9b87cb5447837James Dong // Write all buffered chunks from all tracks 146fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong void writeAllChunks(); 1471c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 148fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong // Retrieve the proper chunk to write if there is one 149fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong // Return true if a chunk is found; otherwise, return false. 150fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong bool findChunkToWrite(Chunk *chunk); 1511c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 152fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong // Actually write the given chunk to the file. 153fcac8fa9421f442f024018628a6042d7a14fbfb0James Dong void writeChunkToFile(Chunk* chunk); 1541c9747a4653aec1395c2bd6896c9b87cb5447837James Dong 155e259531ce59ab1f31de5a23124b22536f6a5a767James Dong // Adjust other track media clock (presumably wall clock) 156e259531ce59ab1f31de5a23124b22536f6a5a767James Dong // based on audio track media clock with the drift time. 157e259531ce59ab1f31de5a23124b22536f6a5a767James Dong int64_t mDriftTimeUs; 158d707fcb3e29707ca4a5935c294ef0b38eb5aba5fJames Dong void setDriftTimeUs(int64_t driftTimeUs); 159e259531ce59ab1f31de5a23124b22536f6a5a767James Dong int64_t getDriftTimeUs(); 160e259531ce59ab1f31de5a23124b22536f6a5a767James Dong 161b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong // Return whether the nal length is 4 bytes or 2 bytes 162b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong // Only makes sense for H.264/AVC 163b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong bool useNalLengthFour(); 164b4d5320bda29cd9694461c9b61d0211f801ff0afJames Dong 16513aec890216948b0c364f8f92792129d0335f506James Dong void lock(); 16613aec890216948b0c364f8f92792129d0335f506James Dong void unlock(); 16713aec890216948b0c364f8f92792129d0335f506James Dong 16813aec890216948b0c364f8f92792129d0335f506James Dong // Acquire lock before calling these methods 169c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t addSample_l(MediaBuffer *buffer); 170c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t addLengthPrefixedSample_l(MediaBuffer *buffer); 17120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 172d599cd4573b5a2d5914c5040e0565ef866749b77James Dong bool exceedsFileSizeLimit(); 1731f90c4b3fda9dbd2824d67fd679f850572f114dcJames Dong bool use32BitFileOffset() const; 174d599cd4573b5a2d5914c5040e0565ef866749b77James Dong bool exceedsFileDurationLimit(); 17578a1a286f736888ae7af8860b2c424af0d978848James Dong bool isFileStreamable() const; 176bc07bcc65e91c7aea9713631ae67760dcf1b0286James Dong void trackProgressStatus(size_t trackId, int64_t timeUs, status_t err = OK); 17713f6284305e4b27395a23db7882d670bdb1bcae1James Dong void writeCompositionMatrix(int32_t degrees); 178b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeMvhdBox(int64_t durationUs); 179b21c564ce47041f9dd3ab65e36fed57c4937a42dJames Dong void writeMoovBox(int64_t durationUs); 1802cf9c5073ca3342ee52673ad68763fadd2c2be79James Dong void writeFtypBox(MetaData *param); 18107b1bb529a1ae76c46a71b01338c166f9490629dJames Dong void writeUdtaBox(); 18207b1bb529a1ae76c46a71b01338c166f9490629dJames Dong void writeGeoDataBox(); 18307b1bb529a1ae76c46a71b01338c166f9490629dJames Dong void writeLatitude(int degreex10000); 18407b1bb529a1ae76c46a71b01338c166f9490629dJames Dong void writeLongitude(int degreex10000); 18570ccfd44c4bfe95ddecc2df6c3695efc48229d72James Dong void sendSessionSummary(); 186411ba422e3635d534928ffd81abf54f4f291c739James Dong void release(); 1878bcc65c753085fe3328592cceda0cf0e8f8b0a45James Dong status_t reset(); 1887837c17063a4c50bc856ba59418516fdab731de7James Dong 18920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Writer(const MPEG4Writer &); 19020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Writer &operator=(const MPEG4Writer &); 19120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 19220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 19320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 19420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 19520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MPEG4_WRITER_H_ 196