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Commit 225eec8d authored by Jean-Baptiste Queru's avatar Jean-Baptiste Queru Committed by Android Git Automerger
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am f9d4ba77: am 69aae36e: Merge "stagefright aacenc: Safeguard against overwriting bits" 

* commit 'f9d4ba77':
  stagefright aacenc: Safeguard against overwriting bits
parents ba62da99 f9d4ba77

media/libstagefright/codecs/aacenc/src/bitbuffer.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -152,6 +152,7 @@ Word16 WriteBits(HANDLE_BIT_BUF hBitBuf, 




  wBitPos = hBitBuf->wBitPos;

  wBitPos = hBitBuf->wBitPos;

  wBitPos += noBitsToWrite;

  wBitPos += noBitsToWrite;

  writeValue &= ~(0xffffffff << noBitsToWrite); // Mask out everything except the lowest noBitsToWrite bits

  writeValue <<= 32 - wBitPos;

  writeValue <<= 32 - wBitPos;

  writeValue |= hBitBuf->cache;

  writeValue |= hBitBuf->cache;