[FFmpeg-user] Poor quality of screencast 1920x1200 on Linux
Carl Eugen Hoyos
cehoyos at ag.or.at
Tue Apr 29 09:26:23 CEST 2014
Bogdan Lotko <boguslaw.lotko <at> chello.at> writes:
> ffmpeg -f x11grab -r 30 -s 1920x1200 -vb 2000 -i :0.0
> -threads 0 output.xxx
Complete, uncut console output missing.
(-threads 0 is the default)
> With some exceptions (last command and mp4 output file)
> I've got usable output files, but the quality was a
> big problem: blurred pixels
If you encode to pix_fmt yuv420p you get blurring, if
you encode to rgb (or yuv444p) with x264, you get files
that only FFmpeg (-based software) can decode.
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