[MEncoder-users] Decoding h.264 issues

[Guillaume POIRIER]

Hi,

On 10/30/06, Lukas Österreicher <lukas.oesterreicher at inode.at> wrote:
> Hello.
>
> I've recorded some HDTV shows as .ts files that contain mpeg4 avc video and ac3 audio.
> I use a windows build from 25th October - the latest I could get - of mencoder.
>
> I have trouble decoding the video without errors, like this:
>
> [h264 @ 00C858F0]PAFF interlacing is not implemented
> [h264 @ 00C858F0]illegal short term buffer state detected
> [h264 @ 00C858F0]concealing 4080 DC, 4080 AC, 4080 MV errors
> Pos:   0.7s     22f ( 0%)  2.25fps Trem:   0min   0mb  A-V:-0.084 [0:189]
> 1 duplicate frame(s)!
>
> It also sometimes has to skip a frame or has an error decoding it.
>
> The result is that the image is often garbled, partly so much
> that the real video can't be recognized anymore.
>
> I know however that other h.264 decoders (such as those that come
> PowerDVD 7 or Elecard avc Plugin for Mpeg Player) can deal with the
> captured .ts stream much better.
>
> Is there a way to tell mencoder to use another direct show decoder
> such as one of the mentioned ones, or else is there another way to get rid
> of the problem.
>
> Up till now the only way to make use of the captured video is by using
> GraphEdit, using the mentioned decoders and encoding it right on to
> another format such as xvid - but this is a very suboptimal way as I
> found no way to resize the video (from 1920x1088 to 1280x720).


There was a patch floating around in the dev mailing list to add
CoreAVC support in MPlayer. Maybe you wanna test it and see if it
suits you.

Guillaume
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