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Commit 84d000e3 authored by James Dong's avatar James Dong Committed by Android Git Automerger
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am 9666d3c0: am 750600a1: Merge "Single track optimization" into gingerbread 

Merge commit '9666d3c0'

* commit '9666d3c0':
  Single track optimization
parents 320742b1 9666d3c0

include/media/stagefright/MPEG4Writer.h

+1 −0
Original line number Diff line number Diff line
@@ -81,6 +81,7 @@ private: 
    void setStartTimestampUs(int64_t timeUs);

    int64_t getStartTimestampUs();  // Not const

    status_t startTracks();

    size_t numTracks();



    void lock();

    void unlock();

media/libstagefright/MPEG4Writer.cpp

+19 −1
Original line number Diff line number Diff line
@@ -559,6 +559,11 @@ int64_t MPEG4Writer::getStartTimestampUs() { 
    return mStartTimestampUs;

}



size_t MPEG4Writer::numTracks() {

    Mutex::Autolock autolock(mLock);

    return mTracks.size();

}



////////////////////////////////////////////////////////////////////////////////



MPEG4Writer::Track::Track(
@@ -979,6 +984,16 @@ void MPEG4Writer::Track::threadEntry() { 
            mStssTableEntries.push_back(mSampleInfos.size());

        }



        if (mOwner->numTracks() == 1) {

            off_t offset = is_avc? mOwner->addLengthPrefixedSample_l(copy)

                                 : mOwner->addSample_l(copy);

            if (mChunkOffsets.empty()) {

                mChunkOffsets.push_back(offset);

            }

            copy->release();

            copy = NULL;

            continue;

        }



        mChunkSamples.push_back(copy);

        if (interleaveDurationUs == 0) {
@@ -1012,7 +1027,10 @@ void MPEG4Writer::Track::threadEntry() { 
    }



    // Last chunk

    if (!mChunkSamples.empty()) {

    if (mOwner->numTracks() == 1) {

        StscTableEntry stscEntry(1, mSampleInfos.size(), 1);

        mStscTableEntries.push_back(stscEntry);

    } else if (!mChunkSamples.empty()) {

        ++nChunks;

        StscTableEntry stscEntry(nChunks, mChunkSamples.size(), 1);

        mStscTableEntries.push_back(stscEntry);