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Commit bd8158a5 authored by Santhosh Behara's avatar Santhosh Behara Committed by Linux Build Service Account
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libstagefright: Avoid negative values for cttsOffsetTimeUs 

While calculating cttsOffsetTimeUs, it can go negative when the
the source drops frames, in such cases force it to 0.

Change-Id: I232bf60d709a1dced8ee36624e09bbfc212742c1
parent ffd20b9a

media/libstagefright/MPEG4Writer.cpp

+3 −0
Original line number Diff line number Diff line
@@ -2487,6 +2487,9 @@ status_t MPEG4Writer::Track::threadEntry() { 
            decodingTimeUs -= previousPausedDurationUs;

            cttsOffsetTimeUs =

                    timestampUs + mCttsOffsetTimeUs - decodingTimeUs;

            if (cttsOffsetTimeUs < 0) {

                cttsOffsetTimeUs = 0;

            }

            if (WARN_UNLESS(cttsOffsetTimeUs >= 0ll, "for %s track", trackName)) {

                copy->release();

                return ERROR_MALFORMED;