[FFmpeg-user] How to get only audio from "rawvideo" stream

Deron deron at pagestream.org
Fri Feb 27 23:44:37 CET 2015


On 2/27/15 10:01 AM, Nicolas George wrote:
> Le nonidi 9 ventôse, an  CCXXIII, Deron a écrit :
 >> As it turns out, "movie=test.ts[out0+subcc]" generates a rawvideo
 >> stream. No audio.
 >>
 >> So what happens to the audio, and how do I get it??? What good is
 >> subtitles if I loose the audio?
 >
 > Have you considered reading the fine documentation?

No, I have not. I just type random letters on the keyboard until I get 
the results I want. Is that wrong?

>http://ffmpeg.org/ffmpeg-filters.html#movie-1

I don't know ffmpeg like the back of my hand, so what may be obvious to 
you is not to me. For those who might encounter this same problem, this 
is what I managed to decipher:

"movie=test.ts:s=dv+da[out0+subcc][out1]"

If a better/proper method exists, please let me know. The use of s= was 
relatively obvious and tried before, but the pads usage was not. Only by 
the assumption that is must be possible did I get it to work after 
randomly made choices.

Thanks for your time (truly),

Deron



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