[FFmpeg-user] Get the codec used

Carl Eugen Hoyos cehoyos at ag.or.at
Thu May 24 12:25:02 CEST 2012

Rossana Guerra <guerra.rossana <at> gmail.com> writes:

> >> Did you try ffmpeg's concat protocol?

> I did the concatenation according
> http://ffmpeg.org/faq.html#How-can-I-join-video-files_003f
> mkfifo intermediate1.mpg
> mkfifo intermediate2.mpg
> ffmpeg -i input1.avi -same_quant -y intermediate1.mpg < /dev/null &
> ffmpeg -i input2.avi -same_quant -y intermediate2.mpg < /dev/null &
> cat intermediate1.mpg intermediate2.mpg |\
> ffmpeg -f mpeg -i - -same_quant -c:v mpeg4 -acodec libmp3lame output.avi
> The cat doesn't work

(Complete, uncut console output missing.)

I meant you could try the new concat: protocol of ffmpeg 
that does not need "cat" anymore.

Carl Eugen

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