[FFmpeg-user] screen capture - small files

Jesper Hedin jesper.hedin at intaktus.se
Mon Nov 23 11:23:20 CET 2015


Thanks a lot!

Just one question. What is hidden in your shell variables $AL:_AUDIO_INPUTS and $ALL_MAPPINGS


   …Jesper



> I'm using this, although I'm not going for the smallest output:
> 
> $FFMPEG -hide_banner -loglevel warning -video_size ${W:-1280}x${H:-1024} \
> -use_wallclock_as_timestamps 1 -framerate 30 \
> -f x11grab -i :0.0 \
> $ALL_AUDIO_INPUTS \
> $ALL_MAPPINGS \
> -codec:v libx264 -pix_fmt yuv444p -qp 0 -tune stillimage -preset ultrafast
> -profile:v high444 \
> -codec:a copy \
> $OUTPUT_FILE
> 
> You want to have a look at the -tune and -preset options.
> 



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