[FFmpeg-devel] [PATCH] AC3 decoder CRC check

Uoti Urpala uoti.urpala
Sun Sep 2 19:52:15 CEST 2007


On Sun, 2007-09-02 at 18:32 +0100, M?ns Rullg?rd wrote:
> >> I reckon the decoder will notice if the frame is damaged anyway, and
> >> see no reason to explicitly check the CRC.

> In that case I say the AC3 decoder needs to be improved to reject
> these damaged frames.

Do you mean reject them without the CRC check? Is there some redundancy
in the AC3 bitstream which would allow detecting damage reliably? In
general I wouldn't expect codecs to notice all damaged frames without
explicit checksums.





More information about the ffmpeg-devel mailing list