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Commit b1803b01 authored by Lajos Molnar's avatar Lajos Molnar
Browse files

stagefright: encode number of android.generic temporal layers 

Bug: 27596987
Change-Id: Ida24aa9bac004ac9bc7c9e19eea1a55162904dc4
parent eee9f495

media/libstagefright/MPEG4Writer.cpp

+8 −0
Original line number Diff line number Diff line
@@ -1542,6 +1542,14 @@ MPEG4Writer::Track::Track( 
    mIsMPEG4 = !strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4) ||

               !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC);



    // store temporal layer count

    if (!mIsAudio) {

        int32_t count;

        if (mMeta->findInt32(kKeyTemporalLayerCount, &count) && count > 1) {

            mOwner->setTemporalLayerCount(count);

        }

    }



    setTimeScale();

}

media/libstagefright/Utils.cpp

+14 −0
Original line number Diff line number Diff line
@@ -1317,6 +1317,20 @@ void convertMessageToMetaData(const sp<AMessage> &msg, sp<MetaData> &meta) { 
        }



        convertMessageToMetaDataColorAspects(msg, meta);



        AString tsSchema;

        if (msg->findString("ts-schema", &tsSchema)) {

            unsigned int numLayers = 0;

            unsigned int numBLayers = 0;

            char dummy;

            int tags = sscanf(tsSchema.c_str(), "android.generic.%u%c%u%c",

                    &numLayers, &dummy, &numBLayers, &dummy);

            if ((tags == 1 || (tags == 3 && dummy == '+'))

                    && numLayers > 0 && numLayers < UINT32_MAX - numBLayers

                    && numLayers + numBLayers <= INT32_MAX) {

                meta->setInt32(kKeyTemporalLayerCount, numLayers + numBLayers);

            }

        }

    } else if (mime.startsWith("audio/")) {

        int32_t numChannels;

        if (msg->findInt32("channel-count", &numChannels)) {