[FFmpeg-trac] #5123(avfilter:new): PAD filter works correctly only when vcodec is NOT H264

[FFmpeg]

#5123: PAD filter works correctly only when vcodec is NOT H264
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             Reporter:  SarasotaSlim  |                    Owner:
                 Type:  defect        |                   Status:  new
             Priority:  normal        |                Component:  avfilter
              Version:  2.8.3         |               Resolution:
             Keywords:  pad           |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by SarasotaSlim):

 An example cmd line that either works or fails is:

     ffmpeg -i Raising_Arizona-3mins.mkv -filter:v pad=720:540:0:30:black
 Raising_Arizona-ffmpeg-pad.mp4

 To convince yourselves that you indeed have a bug,
 all you have to do is create 2 small video segments...one w/ vcodec of
 H264 and
 one with (say) MPEG2 or MPEG4 vcodec.  The MPEG one(s) will work,
 the H264 one will fail.

 I was just trying to be helpful.
 But, if you don't give a shit, I certainly don't !

 (I use VLC to pad...which is superior to using FFMPEG in
 all the ways that I mentioned.)

 Cheers...

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Ticket URL: <https://trac.ffmpeg.org/ticket/5123#comment:2>
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