[FFmpeg-user] Pad filter seems to have no effect

David Favor david at davidfavor.com
Tue Aug 23 16:40:44 CEST 2011

David Favor wrote:
>>> The command which appears to be correct is:
>>>    ffmpeg -y -i test.skype.mov -an -vf pad=640:480:640:0:white -map 
>>> 0.2 -vcodec copy test.video.mov
>> pad=width:height[:x:y[:color]]
>> the padded area (specified by width:height) must contain the input
>> video placed at position 640:0, so it should be:
>> pad=640+640:480:640:0
> Already tried your suggestion...
> This produces no effect:
>    ffmpeg -y -i test.skype.mov -an -vf pad=1280:480:640:0:white -map 0.2 
> -vcodec copy test.video.mov
> Maybe I best bump up to latest, which is probably 0.7.2 or 0.7.3 and 
> retest.

Updated to ffmpeg-0.7.3 and still no effect.

Neither of these produce any effect:

      ffmpeg -y -i test.skype.mov -an -vf scale=1280:480 -map 0.2 -vcodec copy test.video.mov

      ffmpeg -y -i test.skype.mov -an -vf scale=1280:480,pad=1280:480:640:0:white -map 0.2 -vcodec copy test.video.mov

Maybe the problem is -vcodec copy... although I've tried various
re-encoding schemes with no effect either.

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