https://bugs.freedesktop.org/show_bug.cgi?id=106519
--- Comment #15 from mikhail.v.gavrilov@gmail.com ---
Maybe try different combination of mpv parameters. E.g. explicitly specify which hw decoding and which output driver to use.
I added output parameter but nothing is changed. Hardware acceleration neither used in VP9 nor H264.
[vd] Container reported FPS: 29.970030 [vd] Codec list: [vd] vp9 - Google VP9 [vd] vp9_v4l2m2m (vp9) - V4L2 mem2mem VP9 decoder wrapper [vd] libvpx-vp9 (vp9) - libvpx VP9 [vd] vp9_cuvid (vp9) - Nvidia CUVID VP9 decoder [vd] Opening video decoder vp9 [vd] Looking at hwdec vp9-vaapi... [vo/opengl] Loading hwdec driver 'vaapi-egl' [vo/opengl] Loading failed. [vo/opengl] Loading hwdec driver 'cuda-nvdec' [vo/opengl/cuda-nvdec] Failed to load CUDA symbols [vo/opengl] Loading failed. [vo/opengl] Loading hwdec driver 'vdpau-glx' Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory [vo/opengl/vdpau-glx] Error when calling vdp_device_create_x11: 1 [vo/opengl] Loading failed. [vd] Could not create device. [vd] Using software decoding. [vd] Detected 8 logical cores. [vd] Requesting 9 threads for decoding. [vd] Selected video codec: vp9 (Google VP9)
[vd] Container reported FPS: 23.976025 [vd] Codec list: [vd] h264 - H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 [vd] h264_v4l2m2m (h264) - V4L2 mem2mem H.264 decoder wrapper [vd] h264_qsv (h264) - H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) [vd] h264_cuvid (h264) - Nvidia CUVID H264 decoder [vd] Opening video decoder h264 [vd] Looking at hwdec h264-vaapi... [vo/opengl] Loading hwdec driver 'vaapi-egl' [vo/opengl] Loading failed. [vo/opengl] Loading hwdec driver 'cuda-nvdec' [vo/opengl/cuda-nvdec] Failed to load CUDA symbols [vo/opengl] Loading failed. [vo/opengl] Loading hwdec driver 'vdpau-glx' Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory [vo/opengl/vdpau-glx] Error when calling vdp_device_create_x11: 1 [vo/opengl] Loading failed. [vd] Could not create device. [vd] Using software decoding. [vd] Detected 8 logical cores. [vd] Requesting 9 threads for decoding. [vd] Selected video codec: h264 (H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10)