[FFmpeg-user] How i can use vulkan hw accel and vulkan filters for streaming my desktop. Is KMS grab working with audio recording?
Stephan Monecke
stephanmonecke at gmail.com
Tue Nov 17 13:47:22 EET 2020
> hi, out of curiosity, why one would need to probe (with crazy 100M
probesize) x11 capture and why to use 5.1 on 1080p at 24 when 4.2 would be
enough ?
Because this is a generic script not limited to 1080p. That way I can
use it for 4k as well what is not possible with level 4.2.
Furthermore, with x11grab you get raw-image input what is remarkably
big at 4k. But actually I don't really care about the size as long
it's sufficiently large.
Cheers,
Stephan
Am Di., 17. Nov. 2020 um 12:02 Uhr schrieb andrei ka <andrei.k.gml at gmail.com>:
>
> ffmpeg -video_size "$resolution"\
>
> > ¦ ¦ -loglevel warning \
> > ¦ ¦ -probesize 100M \
> > ¦ ....
> > ¦ ¦ -f x11grab -i ":0.0+$xpos,$ypos" \
> > ¦ ¦ ..
> > ¦ ¦ -level:v 5.1 \
> >
> > Where resolution is in the format e.g. 1920x1080; xpos, ypos are
> > integers -- possibly zero, if you take the complete screen.
> >
> >
> > Cheers,
> >
> > Stephan
> >
>
> hi, out of curiosity, why one would need to probe (with crazy 100M
> probesize) x11 capture and why to use 5.1 on 1080p at 24 when 4.2 would be
> enough ?
> &rei
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