$ mpv -v --hwdec=vaapi-copy --gpu-context=wayland Stream3_AV3_HD_6.3mbps.webm

[cplayer] Command line options: '-v' '--hwdec=vaapi-copy' '--gpu-context=wayland' 'Stream3_AV3_HD_6.3mbps.webm'
[cplayer] mpv 0.33.1-dirty Copyright © 2000-2020 mpv/MPlayer/mplayer2 projects
[cplayer]  built on UNKNOWN
[cplayer] FFmpeg library versions:
[cplayer]    libavutil       56.70.100
[cplayer]    libavcodec      58.134.100
[cplayer]    libavformat     58.76.100
[cplayer]    libswscale      5.9.100
[cplayer]    libavfilter     7.110.100
[cplayer]    libswresample   3.9.100
[cplayer] FFmpeg version: n4.4
[cplayer]
[cplayer] Configuration: /usr/bin/waf configure --prefix=/usr --confdir=/etc/mpv --enable-cdda --enable-dvb --enable-dvdnav --enable-libarchive --enable-libmpv-shared --disable-build-date
[cplayer] List of enabled features: 52arch alsa asm caca cdda cplayer cplugins cuda-hwaccel cuda-interop debug-build drm dvbin dvdnav egl egl-drm egl-helpers egl-x11 ffmpeg ffnvcodec gbm gbm.h gl gl-wayland glibc-thread-name glob glob-posix gpl iconv jack javascript jpeg lcms2 libarchive libass libavdevice libbluray libdl libm libmpv-shared libplacebo librt linux-fstatfs linux-input-event-codes lua memfd_create optimize plain-gl posix posix-or-mingw pthreads pulse rubberband shaderc shaderc-shared stdatomic uchardet vaapi vaapi-drm vaapi-egl vaapi-vulkan vaapi-wayland vaapi-x-egl vaapi-x11 vdpau vt.h vulkan wayland wayland-protocols x11 xv zimg zlib
[cplayer] Reading config file /etc/mpv/encoding-profiles.conf
[cplayer] Applying profile 'default'...
[cplayer] Reading config file /home/nichita/.config/mpv/mpv.conf
[cplayer] Applying profile 'default'...
[cplayer] Setting option 'hwdec' = 'vaapi' (flags = 4)
[cplayer] Setting option 'v' = '' (flags = 8)
[cplayer] Setting option 'hwdec' = 'vaapi-copy' (flags = 8)
[cplayer] Setting option 'gpu-context' = 'wayland' (flags = 8)
[cplayer] Waiting for scripts...
[osd/libass] libass API version: 0x1501000
[osd/libass] libass source: commit: 0.15.1-0-g5447214643eacef71776350e779adf4b6c07bb3b-dirty
[osd/libass] Shaper: FriBidi 1.0.10 (SIMPLE) HarfBuzz-ng 2.8.1 (COMPLEX)
[osd/libass] Setting up fonts...
[osd/libass] Using font provider fontconfig
[osd/libass] Done.
[cplayer] Set property: shared-script-properties -> 1
[cplayer] Done loading scripts.
[cplayer] Running hook: ytdl_hook/on_load
[ytdl_hook] ytdl:// hook
[ytdl_hook] not a ytdl:// url
[ifo_dvdnav] Opening Stream3_AV3_HD_6.3mbps.webm
[bdmv/bluray] Opening Stream3_AV3_HD_6.3mbps.webm
[file] Opening Stream3_AV3_HD_6.3mbps.webm
[demux] Trying demuxers for level=normal.
[cplayer] Set property: shared-script-properties -> 1
[mkv] Deferring reading cues.
[mkv] All headers are parsed!
[osd/libass] libass API version: 0x1501000
[osd/libass] libass source: commit: 0.15.1-0-g5447214643eacef71776350e779adf4b6c07bb3b-dirty
[osd/libass] Shaper: FriBidi 1.0.10 (SIMPLE) HarfBuzz-ng 2.8.1 (COMPLEX)
[osd/libass] Setting up fonts...
[demux] Detected file format: Matroska
[cplayer] Opening done: Stream3_AV3_HD_6.3mbps.webm
[osd/libass] Using font provider fontconfig
[osd/libass] Done.
[find_files] Loading external files in .
[cplayer] Running hook: ytdl_hook/on_preloaded
[mkv] select track 0
[cplayer]  (+) Video --vid=1 (*) (av1 1920x1080)
[vo/gpu/opengl] Initializing GPU context 'wayland'
[vo/gpu/wayland] Registered for protocol wl_compositor
[vo/gpu/wayland] Registered for protocol wl_shm
[vo/gpu/wayland] Registered for protocol wl_output
[vo/gpu/wayland] Registered for protocol wl_data_device_manager
[vo/gpu/wayland] Registered for protocol xdg_wm_base
[vo/gpu/wayland] Registered for protocol wl_seat
[vo/gpu/wayland] Registered for protocol wp_presentation
[vo/gpu/wayland] GNOME's wayland compositor lacks support for the idle inhibit protocol. This means the screen can blank during playback.
[vo/gpu/wayland] Compositor doesn't support the zxdg_decoration_manager_v1 protocol!
[vo/gpu/wayland] Compositor doesn't support the zwp_idle_inhibit_manager_v1 protocol!
[vo/gpu/opengl] EGL_VERSION=1.5
[vo/gpu/opengl] EGL_VENDOR=Mesa Project
[vo/gpu/opengl] EGL_CLIENT_APIS=OpenGL OpenGL_ES
[vo/gpu/opengl] Trying to create Desktop OpenGL context.
[vo/gpu/wayland] GL_VERSION='4.6 (Core Profile) Mesa 21.1.0'
[vo/gpu/wayland] Detected desktop OpenGL 4.6.
[vo/gpu/wayland] GL_VENDOR='Intel'
[vo/gpu/wayland] GL_RENDERER='Mesa Intel(R) Graphics (RKL GT1)'
[vo/gpu/wayland] GL_SHADING_LANGUAGE_VERSION='4.60'
[vo/gpu] Testing FBO format rgba16f
[vo/gpu] Using FBO format rgba16f.
[vo/gpu] No advanced processing required. Enabling dumb mode.
[vo/gpu/wayland] Registered output GSM LG HDR WFHD (0x4):
[vo/gpu/wayland] 	x: 0px, y: 0px
[vo/gpu/wayland] 	w: 2560px (800mm), h: 1080px (340mm)
[vo/gpu/wayland] 	scale: 1
[vo/gpu/wayland] 	Hz: 74.991000
[vo/gpu] Resize: 0x0
[vd] Container reported FPS: 0.000000
[vd] Codec list:
[vd]     libdav1d (av1) - dav1d AV1 decoder by VideoLAN
[vd]     libaom-av1 (av1) - libaom AV1
[vd]     av1 - Alliance for Open Media AV1
[vd]     av1_cuvid (av1) - Nvidia CUVID AV1 decoder
[vd]     av1_qsv (av1) - AV1 video (Intel Quick Sync Video acceleration)
[vd] Opening decoder libdav1d
[vd] Looking at hwdec av1-vaapi-copy...
[vaapi] Initialized VAAPI: version 1.11
[vd] Trying hardware decoding via av1-vaapi-copy.
[vd] Using underlying hw-decoder 'av1'
[vd] Selected codec: libdav1d (dav1d AV1 decoder by VideoLAN)
[vf] User filter list:
[vf]   (empty)
[cplayer] Starting playback...
[vd] Pixel formats supported by decoder: cuda vaapi_vld yuv420p
[vd] Codec profile: Main (0x0)
[vd] Requesting pixfmt 'vaapi_vld' from decoder.
[vd] Using hardware decoding (vaapi-copy).
[vd] Decoder format: 1920x1080 nv12 auto/auto/auto/limited/auto CL=unknown
[vd] Using container aspect ratio.
[vf] [in] 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[vf] [userdeint] 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[vf] [userdeint] (disabled)
[vf] [autorotate] 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[vf] [autorotate] (disabled)
[vf] [convert] 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[vf] [convert] (disabled)
[vf] [out] 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[cplayer] VO: [gpu] 1920x1080 nv12
[cplayer] VO: Description: Shader-based GPU Renderer
[vo/gpu] reconfig to 1920x1080 nv12 bt.709/bt.709/bt.1886/limited/display SP=1.000000 CL=mpeg2/4/h264
[vo/gpu/wayland] Reconfiguring!
[vo/gpu] Resize: 1920x1080
[vo/gpu] Window size: 1920x1080 (Borders: l=0 t=0 r=0 b=0)
[vo/gpu] Video source: 1920x1080 (1:1)
[vo/gpu] Video display: (0, 0) 1920x1080 -> (0, 0) 1920x1080
[vo/gpu] Video scale: 1.000000/1.000000
[vo/gpu] OSD borders: l=0 t=0 r=0 b=0
[vo/gpu] Video borders: l=0 t=0 r=0 b=0
[vo/gpu] Texture for plane 0: 1920x1080
[vo/gpu] Texture for plane 1: 960x540
[vo/gpu] Testing FBO format rgba16f
[vo/gpu] Using FBO format rgba16f.
[vo/gpu] No advanced processing required. Enabling dumb mode.
[vo/gpu/wayland] Handling resize on the egl side
[vo/gpu] Resize: 1920x1080
[vo/gpu] Window size: 1920x1080 (Borders: l=0 t=0 r=0 b=0)
[vo/gpu] Video source: 1920x1080 (1:1)
[vo/gpu] Video display: (0, 0) 1920x1080 -> (0, 0) 1920x1080
[vo/gpu] Video scale: 1.000000/1.000000
[vo/gpu] OSD borders: l=0 t=0 r=0 b=0
[vo/gpu] Video borders: l=0 t=0 r=0 b=0
[vo/gpu] Reported display depth: 10
[vo/gpu/wayland] Resizing due to xdg from 1920x1080 to 1920x1048
[vo/gpu/wayland] Given DND offer with mime type text/plain;charset=utf-8
[vo/gpu/wayland] Surface entered output GSM LG HDR WFHD (0x4), scale = 1
[vo/gpu/wayland] Resizing due to xdg from 1920x1048 to 1268x1032
[cplayer] first video frame after restart shown
[cplayer] playback restart complete @ 0.000000, audio=eof, video=playing
[vo/gpu/wayland] Handling resize on the egl side
[vo/gpu] Resize: 1268x1032
[vo/gpu] Window size: 1268x1032 (Borders: l=0 t=0 r=0 b=0)
[vo/gpu] Video source: 1920x1080 (1:1)
[vo/gpu] Video display: (0, 0) 1920x1080 -> (0, 159) 1268x713
[vo/gpu] Video scale: 0.660417/0.660185
[vo/gpu] OSD borders: l=0 t=159 r=0 b=160
[vo/gpu] Video borders: l=0 t=159 r=0 b=160
[vo/gpu] Reported display depth: 10
[vo/gpu] Assuming 74.991000 FPS for display sync.

[statusline] V: 00:00:00 / 00:03:01 (0%)
[cplayer] Set property: shared-script-properties -> 1
[cplayer] Set property: shared-script-properties -> 1

[statusline] V: 00:00:00 / 00:03:01 (0%)

[statusline] V: 00:00:00 / 00:03:01 (1%)

[statusline] V: 00:00:01 / 00:03:01 (1%)
[cplayer] Set property: shared-script-properties -> 1

[statusline] V: 00:00:01 / 00:03:01 (1%)
[osd/libass] fontselect: (sans-serif, 400, 0) -> /usr/share/fonts/TTF/DejaVuSans.ttf, 0, DejaVuSans
[osd/libass] fontselect: (mpv-osd-symbols, 400, 0) -> mpv-osd-symbols-Regular, 0, mpv-osd-symbols-Regular
[vo/gpu] Reallocating OSD texture to 2048x512.

[statusline] V: 00:00:01 / 00:03:01 (1%)

[statusline] V: 00:00:02 / 00:03:01 (1%)
[cplayer] Set property: shared-script-properties -> 1

[statusline] V: 00:00:02 / 00:03:01 (1%)

[statusline] V: 00:00:02 / 00:03:01 (2%)

[statusline] V: 00:00:03 / 00:03:01 (2%)

[statusline] V: 00:00:04 / 00:03:01 (2%)

[statusline] V: 00:00:04 / 00:03:01 (3%)

[statusline] V: 00:00:05 / 00:03:01 (3%)

[statusline] V: 00:00:06 / 00:03:01 (3%)

[statusline] V: 00:00:06 / 00:03:01 (4%)

[statusline] V: 00:00:07 / 00:03:01 (4%)

[statusline] V: 00:00:08 / 00:03:01 (4%)

[statusline] V: 00:00:08 / 00:03:01 (5%)

[statusline] V: 00:00:09 / 00:03:01 (5%)
[cplayer] Set property: shared-script-properties -> 1

[statusline] V: 00:00:09 / 00:03:01 (5%)

[statusline] V: 00:00:10 / 00:03:01 (6%)

[statusline] V: 00:00:11 / 00:03:01 (6%)

[statusline] V: 00:00:11 / 00:03:01 (7%)
[cplayer] EOF code: 5
[cplayer] finished playback, success (reason 3)
[cplayer]
[cplayer] Exiting... (Quit)
[cplayer] Set property: shared-script-properties -> 1
[vo/gpu/wayland] Deregistering output GSM LG HDR WFHD (0x4)