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Commit 2d018126 authored by Ray Essick's avatar Ray Essick
Browse files

allow/ignore overflow in ogg position calculations 

Bug: 137530016
Test: poc in bug
parent 54ae7b77

media/extractors/ogg/OggExtractor.cpp

+2 −1
Original line number Diff line number Diff line
@@ -635,7 +635,8 @@ media_status_t MyOpusExtractor::readNextPacket(MediaBufferHelper **out) { 
            currentPageSamples -= mStartGranulePosition;

            AMediaFormat_setInt32(meta, AMEDIAFORMAT_KEY_VALID_SAMPLES, currentPageSamples);

        }

        mCurGranulePosition = mCurrentPage.mGranulePosition - currentPageSamples;

        (void) __builtin_sub_overflow(mCurrentPage.mGranulePosition, currentPageSamples,

                                      &mCurGranulePosition);

    }



    int64_t timeUs = getTimeUsOfGranule(mCurGranulePosition);