[FFmpeg-user] down sampling
barsnick at gmx.net
Sat Dec 29 21:04:44 EET 2018
On Sat, Dec 29, 2018 at 19:45:29 +0100, Michael Koch wrote:
> (see below), and those didn't work. Seems to be either impossible or
> quite complicated.
"Didn't work" is not a concise error description.
> |ffmpeg -i abc.avi -f rawvideo - | ffplay -f rawvideo -s 624x352 -pix_fmt yuv420p -|
This is wrong in many ways. It only works if you know your resolution
and format (because rawvideo doesn't carry any meta-information).
I would use the practical nut container, and do:
$ ffmpeg -i input -f nut - | ffplay -
> |ffmpeg -ss 00:34:24.85 -t 10 -i path||/to/file||.mp4 -f mp3 pipe:play |
> ffplay -i pipe:play -autoexit|
IMO, this shouldn't be piped with '|', but executed as two separate
Please try the former. And post the actually used command and the
complete, uncut console output.
(Sorry, if I had my Windows machine ready, I would just simply try.)
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