[FFmpeg-user] error concealment from ffmpeg/x264 for h264 videos

[Michael Niedermayer]

On Fri, Sep 30, 2011 at 10:32:15PM -0700, HardikSharma wrote:
> Hi guys,
> 
> I am producing error in h264 stream by dropping 5%, 10% and 20% slices from
> JM and ffmpeg encoded streams. I calculated PSNR for both and JM is like
> more then 40% better then ffmpeg. I tried to get JM and ffmpeg to as close
> as possible in specifications. 
> 
> The bigger concern is in ffmpeg, it even dropped some frames when I
> introduced error in 264 stream but JM didn't drooped any frame. Am I
> ignoring any crucial point? or is it suppose to be like this. That's why I
> want to know what kind of conceal FFmpeg uses so that I can figure out
> something for this. Please post your suggestions.    

Please provide the h264 stream you use so we can reproduce this
difference

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is what and why we do it that matters, not just one of them.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-user/attachments/20111001/9cd366db/attachment.asc>