[FFmpeg-devel] [WIP] XComposite window capture demuxer (Linux)

Nicolas George george at nsup.org
Tue May 19 22:09:28 EEST 2020


Marton Balint (12020-05-19):
> As Nicolas mentioned, kmsgrab practically requires root. Also, I tried it on
> Intel half a year ago on Ubuntu 18.04, and it simply does not work
> correctly. There were crashes, there were random failures with cryptic error
> messages, usually at the beginning of the capture, somtimes in the middle of
> it. And the captured frame was missing some of the drawn opengl primitives,
> it looked like kmsgrab grabbed the frame from the back buffer and not the
> front.
> 
> So kmsgab on Intel is a no-no for me.

Thanks for the confirmation.

Could you weigh in on the issue of filters/devices changing the OpenGL
global state, please?

Regards,

-- 
  Nicolas George
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20200519/83fa9114/attachment.sig>


More information about the ffmpeg-devel mailing list