Changes between Version 3 and Version 4 of Hardware/VAAPI

Timestamp:

Sep 30, 2017, 11:55:17 PM (9 years ago)

Author:

jkqxz

Comment:

--

Hardware/VAAPI

@@ -195 +195 @@
 }}}
 
+Capture the screen from the first active KMS plane:
+{{{
+ffmpeg_g -device /dev/dri/card0 -f kmsgrab -i - -vf 'hwmap=derive_device=vaapi,scale_vaapi=w=1920:h=1080:format=nv12' -c:v h264_vaapi -qp 24 output.mp4
+}}}
+Compared to capturing through X as in the previous examples, this should use much less CPU (all surfaces stay on the GPU side) and can work outside X (on VTs or in Wayland), but can only capture whole planes and requires DRM master or CAP_SYS_ADMIN to run.
+
 
 === Transcode ===