[FFmpeg-user] Using FFMPEG to encode multiple outputs in 'parallel' (doesn't work?)
george at nsup.org
Wed Jun 28 23:47:01 EEST 2017
Le decadi 10 messidor, an CCXXV, Shalin Mehta a écrit :
> Option1: Run 3 instances of ffmpeg using pipe.
> ffmpeg -i input.mp4 -c:v libx264 -b:v 12M -f null - | ffmpeg -i input.mp4
> -c:v libx264 -b:v 12M -f null - | ffmpeg -i input.mp4 -c:v libx264 -b:v 12M
> -f null -
I think you need to take a little step back and learn what Unix pipes
mean. They are meant to connect the output of a process to the input of
the next one, but in your examples your commands neither consume their
input nor produce output.
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