diff options
author | James Dong <jdong@google.com> | 2011-05-06 12:19:04 -0700 |
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committer | James Dong <jdong@google.com> | 2011-05-09 17:03:35 -0700 |
commit | 70ccfd44c4bfe95ddecc2df6c3695efc48229d72 (patch) | |
tree | b480777b5b0b7637edd3654c6f46d73f9c705dca /media/libstagefright | |
parent | 4650ff0e86f9e815e3152a806a06c700418d071d (diff) | |
download | frameworks_av-70ccfd44c4bfe95ddecc2df6c3695efc48229d72.zip frameworks_av-70ccfd44c4bfe95ddecc2df6c3695efc48229d72.tar.gz frameworks_av-70ccfd44c4bfe95ddecc2df6c3695efc48229d72.tar.bz2 |
Add send session recording summary report to application
Change-Id: I9c63ddae432f0c93486c39776ed0a058a8649602
Diffstat (limited to 'media/libstagefright')
-rw-r--r-- | media/libstagefright/MPEG4Writer.cpp | 66 |
1 files changed, 51 insertions, 15 deletions
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp index 9ed08a3..fd60f06 100644 --- a/media/libstagefright/MPEG4Writer.cpp +++ b/media/libstagefright/MPEG4Writer.cpp @@ -45,6 +45,7 @@ namespace android { static const int64_t kMax32BitFileSize = 0x007fffffffLL; static const uint8_t kNalUnitTypeSeqParamSet = 0x07; static const uint8_t kNalUnitTypePicParamSet = 0x08; +static const int64_t kInitialDelayTimeUs = 700000LL; // Using longer adjustment period to suppress fluctuations in // the audio encoding paths @@ -69,6 +70,7 @@ public: bool isAudio() const { return mIsAudio; } bool isMPEG4() const { return mIsMPEG4; } void addChunkOffset(off64_t offset); + int32_t getTrackId() const { return mTrackId; } status_t dump(int fd, const Vector<String16>& args) const; private: @@ -157,6 +159,8 @@ private: bool mReachedEOS; int64_t mStartTimestampUs; + int64_t mStartTimeRealUs; + int64_t mFirstSampleTimeRealUs; int64_t mPreviousTrackTimeUs; int64_t mTrackEveryTimeDurationUs; @@ -688,6 +692,7 @@ status_t MPEG4Writer::stop() { mFd = -1; mInitCheck = NO_INIT; mStarted = false; + return err; } @@ -744,6 +749,16 @@ void MPEG4Writer::writeFtypBox(const MetaData *param) { endBox(); } +void MPEG4Writer::sendSessionSummary() { + for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); + it != mChunkInfos.end(); ++it) { + int trackNum = it->mTrack->getTrackId() << 28; + notify(MEDIA_RECORDER_TRACK_EVENT_INFO, + trackNum | MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS, + it->mMaxInterChunkDurUs); + } +} + status_t MPEG4Writer::setInterleaveDuration(uint32_t durationUs) { mInterleaveDurationUs = durationUs; return OK; @@ -1188,18 +1203,13 @@ void MPEG4Writer::writeChunkToFile(Chunk* chunk) { void MPEG4Writer::writeAllChunks() { LOGV("writeAllChunks"); size_t outstandingChunks = 0; - while (!mChunkInfos.empty()) { - List<ChunkInfo>::iterator it = mChunkInfos.begin(); - while (!it->mChunks.empty()) { - Chunk chunk; - if (findChunkToWrite(&chunk)) { - writeChunkToFile(&chunk); - ++outstandingChunks; - } - } - it->mTrack = NULL; - mChunkInfos.erase(it); + Chunk chunk; + while (findChunkToWrite(&chunk)) { + ++outstandingChunks; } + + sendSessionSummary(); + mChunkInfos.clear(); LOGD("%d chunks are written in the last batch", outstandingChunks); } @@ -1207,8 +1217,6 @@ void MPEG4Writer::writeAllChunks() { bool MPEG4Writer::findChunkToWrite(Chunk *chunk) { LOGV("findChunkToWrite"); - // Find the smallest timestamp, and write that chunk out - // XXX: What if some track is just too slow? int64_t minTimestampUs = 0x7FFFFFFFFFFFFFFFLL; Track *track = NULL; for (List<ChunkInfo>::iterator it = mChunkInfos.begin(); @@ -1237,6 +1245,13 @@ bool MPEG4Writer::findChunkToWrite(Chunk *chunk) { *chunk = *(it->mChunks.begin()); it->mChunks.erase(it->mChunks.begin()); CHECK_EQ(chunk->mTrack, track); + + int64_t interChunkTimeUs = + chunk->mTimeStampUs - it->mPrevChunkTimestampUs; + if (interChunkTimeUs > it->mPrevChunkTimestampUs) { + it->mMaxInterChunkDurUs = interChunkTimeUs; + } + return true; } } @@ -1280,6 +1295,8 @@ status_t MPEG4Writer::startWriterThread() { it != mTracks.end(); ++it) { ChunkInfo info; info.mTrack = *it; + info.mPrevChunkTimestampUs = 0; + info.mMaxInterChunkDurUs = 0; mChunkInfos.push_back(info); } @@ -1303,6 +1320,7 @@ status_t MPEG4Writer::Track::start(MetaData *params) { if (params == NULL || !params->findInt64(kKeyTime, &startTimeUs)) { startTimeUs = 0; } + mStartTimeRealUs = startTimeUs; int32_t rotationDegrees; if (!mIsAudio && params && params->findInt32(kKeyRotation, &rotationDegrees)) { @@ -1330,7 +1348,7 @@ status_t MPEG4Writer::Track::start(MetaData *params) { * Ideally, this platform-specific value should be defined * in media_profiles.xml file */ - startTimeUs += 700000; + startTimeUs += kInitialDelayTimeUs; } meta->setInt64(kKeyTime, startTimeUs); @@ -1937,7 +1955,8 @@ status_t MPEG4Writer::Track::threadEntry() { LOGV("%s timestampUs: %lld", mIsAudio? "Audio": "Video", timestampUs); //////////////////////////////////////////////////////////////////////////////// - if (mSampleSizes.empty()) { + if (mNumSamples == 0) { + mFirstSampleTimeRealUs = systemTime() / 1000; mStartTimestampUs = timestampUs; mOwner->setStartTimestampUs(mStartTimestampUs); previousPausedDurationUs = mStartTimestampUs; @@ -2135,10 +2154,26 @@ void MPEG4Writer::Track::sendTrackSummary(bool hasMultipleTracks) { trackNum | MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES, mNumSamples); + // The system delay time excluding the requested initial delay that + // is used to eliminate the recording sound. + int64_t initialDelayUs = + mFirstSampleTimeRealUs - mStartTimeRealUs - kInitialDelayTimeUs; + mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, + trackNum | MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS, + (initialDelayUs) / 1000); + if (hasMultipleTracks) { mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, trackNum | MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS, mMaxChunkDurationUs / 1000); + + int64_t moovStartTimeUs = mOwner->getStartTimestampUs(); + if (mStartTimestampUs != moovStartTimeUs) { + int64_t startTimeOffsetUs = mStartTimestampUs - moovStartTimeUs; + mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO, + trackNum | MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS, + startTimeOffsetUs / 1000); + } } } @@ -2604,6 +2639,7 @@ void MPEG4Writer::Track::writeSttsBox() { mOwner->beginBox("stts"); mOwner->writeInt32(0); // version=0, flags=0 mOwner->writeInt32(mNumSttsTableEntries); + // Compensate for small start time difference from different media tracks int64_t trackStartTimeOffsetUs = 0; int64_t moovStartTimeUs = mOwner->getStartTimestampUs(); |