vo=gpu profile=gpu-hq hwdec=vaapi # Required for hwdec=vaapi to work when using vo=gpu gpu-context=x11egl

Hi list,

excuse this question as being partially off-topic, as not sound is
involved, but since some time (possibly since the last big Debian
upgrade), mpv complains about the video backend only being available as
"software renderer" and not being able to use "vo=gpu".

I run this on a Lenovo X230 with an Intel card and the i915 kernel
driver. I have learned that for older intel hardware (than my card?)
users are recommended to use xserver-xorg-video-modesetting X11 driver
instead of the the xserver-xorg-video-intel one. And indeed, I can
switch back and forth between these two by (not) forcing the latter in
Xorg.conf as
	Driver      "intel"

With the modesetting driver, mpv plays flawlessly using the vo=gpu
output but Gem on PureData as well as glxgears stutter every few
seconds. Having researched the web further, I found discussions about
different performances of the two drivers.

However, I would simply like to have mpv play nicely with the intel
driver. Here is its output, that I can#t really make sense of despite
having searched the web for a long time. Perhaps anyone on this list is
able to help me further? 

Thanks a lot! Peter

------------>

$ mpv --no-config test.mp4 2> /tmp/output.txt
● Video  --vid=1  (h264 960x544 30.0001 fps) [default]
● Audio  --aid=1  (aac 2ch 48000 Hz 192 kbps) [default]
[vo/gpu/opengl] Suspected software renderer or indirect context.
[vo/gpu/drm] VT_GETMODE failed: Inappropriate ioctl for device
[vo/gpu/drm] Failed to set up VT switcher. Terminal switching will be unavailable.
[vo/gpu/drm] Failed to acquire DRM master: Permission denied
[vo/gpu/drm] Failed to commit ModeSetting atomic request: Permission denied
[vo/gpu/opengl] Failed to set CRTC for connector 80: Permission denied
[vo/gpu/drm] Failed to commit ModeSetting atomic request: Permission denied
[vo/gpu/drm] Failed to restore previous mode
[vo/gpu/drm] Failed to drop DRM master: Permission denied
[vo/gpu-next/opengl] Suspected software renderer or indirect context.
[vo/gpu-next/drm] Can't handle VT release - signal already used
[vo/gpu-next/drm] Failed to set up VT switcher. Terminal switching will be unavailable.
[vo/gpu-next/drm] Failed to acquire DRM master: Permission denied
[vo/gpu-next/drm] Failed to commit ModeSetting atomic request: Permission denied
[vo/gpu-next/opengl] Failed to set CRTC for connector 80: Permission denied
[vo/gpu-next/drm] Failed to commit ModeSetting atomic request: Permission denied
[vo/gpu-next/drm] Failed to restore previous mode
[vo/gpu-next/drm] Failed to drop DRM master: Permission denied
[vo/vdpau] VDPAU is most likely emulated via VA-API.
[vo/vdpau] This is inefficient. Use --vo=gpu instead.
[vo/vdpau] Warning: this compatibility VO is low quality and may have issues with OSD, scaling, screenshots and more.
[vo/vdpau] vo=gpu is the preferred choice in any case and includes VDPAU support via hwdec=vdpau or vdpau-copy.
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