Hi. 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. Regards, -- Nicolas George
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