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Commit 46357d55 authored by Chad Brubaker's avatar Chad Brubaker Committed by Marco Nelissen
Browse files

Fix harmless unsigned overflow in recoverPTS 

Change-Id: I89e3a827cf566421e8dd9b6a3c842e73a19c140f
parent ad69e73b

media/libstagefright/mpeg2ts/ATSParser.cpp

+1 −1
Original line number Diff line number Diff line
@@ -509,7 +509,7 @@ int64_t ATSParser::Program::recoverPTS(uint64_t PTS_33bit) { 
        mLastRecoveredPTS = static_cast<int64_t>(PTS_33bit);

    } else {

        mLastRecoveredPTS = static_cast<int64_t>(

                ((mLastRecoveredPTS - PTS_33bit + 0x100000000ll)

                ((mLastRecoveredPTS - static_cast<int64_t>(PTS_33bit) + 0x100000000ll)

                & 0xfffffffe00000000ull) | PTS_33bit);

        // We start from 0, but recovered PTS could be slightly below 0.

        // Clamp it to 0 as rest of the pipeline doesn't take negative pts.