[Ffmpeg-devel] got it - cat - demux

Benoit Fouet benoit.fouet
Wed Nov 15 09:04:10 CET 2006


Jim Shupert, Jr. wrote:
> I have recently asked this forum for some wisdom on concatenating & demuxing w ffmpeg.
> I thought I would return what I have found.
> Thanks to those who have helped (Hats Off ! to Michel Bardiaux)
>
>
> ::  CONCATENATE  ::
>
> since I am on a winders platform I could not cat ( or at least ...have not yet )
>
> so I employed some old dos knowingz
>
> copy /b j1.mpg + j2.mpg + j3.mpg + j4.mpg jjjj.mpg
>
> this seems to join up 4 mpg2 program streams - ok
>
>
> ::  DEMUX solution  ::
>
> I was able to demux and hopefully it is working good enough - but some oddness that i have yet to figure out.
>
> ffmpeg -i jjjj.mpg -an -vcodec copy jvid.mpg
>     needs to ne renamed file.mpv     -    going right to an mpv = fail
> ffmpeg -i jjjj.mpg -vn -acodec copy jaud.mpg
>
>         this might be a problem ... the audio should be mpa 
> .... but it will not play in win media player.../ ??header???
>
>    needs to be renamed file.wav  or file.ac3    plays in VLC
> _______________________________________________
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> ffmpeg-devel at mplayerhq.hu
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>   
why can't you just do as everybody is telling you and just post your
question to the ffmpeg user mailling list ?

-- Ben





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