[FFmpeg-user] streams

[Vladimir Bilichenko]

> 24 груд. 2014 о 13:00 Nicolas George <george at nsup.org> написав(ла):
> 
> Le quartidi 4 nivôse, an CCXXIII, Vladimir Bilichenko a écrit :
>> Here is my modified command:
>> ./ffmpeg -y -i mp4.mp4 -i ogv.ogv -i ogv2.ogv -vcodec ppm -filter_complex "[0:v][1:v][2:v]concat=n=3:v=1:a=0:unsafe=1 [v] [a]" -s '1280x1080' -b:v '512K' -b:a '128K' -strict -2 -c:v libx264 -preset ultrafast -map [v] -map [a] -r 30 outtmp.mp4
> 
> Remove "[a]" and "-map [a]" (by the way, you should be quoting this for the
> shell, this version is unsafe).
> 
>> How to configure audio filters?
> 
> Re-read my first message. I am unfortunately not a telepath, I can not guess
> what you want to do with audio streams that do not exist.
>  
I need to keep audio streams that exist.
I mean that my joined video file must have 3 video. First video without sound and two video with sound.
> Regards,
> 
> -- 
>  Nicolas George
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