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Commit e53b5173 authored by Marco Nelissen's avatar Marco Nelissen Committed by android-build-merger
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Merge "MPEG4Extractor: reduce buffer size for audio tracks" into pi-dev am: 8c66cf58 

am: 3aa4a9f9

Change-Id: Ic90370afe27e233a2602d0ffa9727d5131d9626b
parents 71cf593e 3aa4a9f9

media/extractors/mp4/MPEG4Extractor.cpp

+7 −3
Original line number Diff line number Diff line
@@ -1710,7 +1710,10 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) { 


                const char *mime;

                CHECK(mLastTrack->meta.findCString(kKeyMIMEType, &mime));

                if (!strcmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)

                if (!strncmp(mime, "audio/", 6)) {

                    // for audio, use 128KB

                    max_size = 1024 * 128;

                } else if (!strcmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)

                        || !strcmp(mime, MEDIA_MIMETYPE_VIDEO_HEVC)) {

                    // AVC & HEVC requires compression ratio of at least 2, and uses

                    // macroblocks
@@ -3963,9 +3966,10 @@ status_t MPEG4Source::start(MetaDataBase *params) { 
    }



    // Allow up to kMaxBuffers, but not if the total exceeds kMaxBufferSize.

    const size_t kInitialBuffers = 2;

    const size_t kMaxBuffers = 8;

    const size_t buffers = min(kMaxBufferSize / max_size, kMaxBuffers);

    mGroup = new MediaBufferGroup(buffers, max_size);

    const size_t realMaxBuffers = min(kMaxBufferSize / max_size, kMaxBuffers);

    mGroup = new MediaBufferGroup(kInitialBuffers, max_size, realMaxBuffers);

    mSrcBuffer = new (std::nothrow) uint8_t[max_size];

    if (mSrcBuffer == NULL) {

        // file probably specified a bad max size