$ GST_DEBUG=vaapi:4,vaapisink:5 gst-launch-1.0 filesrc location=Sintel.2010.1080p.mp4 ! qtdemux ! vaapidecode ! vaapisink
0:00:00.060616461 20639       0xde9550 INFO                   vaapi gstvaapidisplay.c:112:libgstvaapi_init_once: gstreamer-vaapi version 0.5.5
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /wld/install/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
0:00:00.066573672 20639       0xde9550 INFO               vaapisink gstvaapisink.c:345:gst_vaapisink_ensure_display: created VA/Wayland display 0xdf30e0
0:00:00.066661282 20639       0xde9550 DEBUG              vaapisink gstvaapisink.c:351:gst_vaapisink_ensure_display: use overlay rendering mode
Setting pipeline to PAUSED ...
0:00:00.070691404 20639       0xde9550 DEBUG              vaapisink gstvaapisink.c:1210:gst_vaapisink_query: sharing display 0xdf30e0
Pipeline is PREROLLING ...
0:00:00.097759135 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:638:gst_vaapisink_ensure_video_buffer_pool: assume video buffer pool format is NV12
0:00:00.098120916 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:752:gst_vaapisink_set_caps: video pixel-aspect-ratio 1/1
0:00:00.098402437 20639 0x7f499005e9e0 WARN                   vaapi gstvaapiwindow_wayland.c:84:gst_vaapi_window_wayland_show: unimplemented GstVaapiWindowWayland::show()
0:00:00.098497739 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:780:gst_vaapisink_set_caps: window size 1920x832
0:00:00.098527192 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:384:gst_vaapisink_ensure_render_rect: ensure render rect within 1920x832 bounds
0:00:00.098552763 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:391:gst_vaapisink_ensure_render_rect: display pixel-aspect-ratio 1/1
0:00:00.098578889 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:402:gst_vaapisink_ensure_render_rect: video size 1920x832, calculated ratio 30/13
0:00:00.098617724 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:406:gst_vaapisink_ensure_render_rect: keeping window height
0:00:00.098634387 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:415:gst_vaapisink_ensure_render_rect: scaling video to 1920x832
0:00:00.098650659 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:425:gst_vaapisink_ensure_render_rect: render rect (0,0):1920x832
0:00:00.099105295 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:752:gst_vaapisink_set_caps: video pixel-aspect-ratio 1/1
0:00:00.099161352 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:780:gst_vaapisink_set_caps: window size 1920x832
0:00:00.099186812 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:384:gst_vaapisink_ensure_render_rect: ensure render rect within 1920x832 bounds
0:00:00.099211078 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:391:gst_vaapisink_ensure_render_rect: display pixel-aspect-ratio 1/1
0:00:00.099245012 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:402:gst_vaapisink_ensure_render_rect: video size 1920x832, calculated ratio 30/13
0:00:00.099262294 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:406:gst_vaapisink_ensure_render_rect: keeping window height
0:00:00.099278303 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:415:gst_vaapisink_ensure_render_rect: scaling video to 1920x832
0:00:00.099311969 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:425:gst_vaapisink_ensure_render_rect: render rect (0,0):1920x832
0:00:00.099621777 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:1065:gst_vaapisink_show_frame: render surface 0x4000000
0:00:00.099650142 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:1074:gst_vaapisink_show_frame: render rect (0,0), size 1920x818
0:00:00.099669333 20639 0x7f499005e9e0 ERROR                  vaapi gstvaapiwindow_wayland.c:307:gst_vaapi_window_wayland_render: unsupported source rectangle for rendering
0:00:00.099686762 20639 0x7f499005e9e0 DEBUG              vaapisink gstvaapisink.c:995:gst_vaapisink_put_surface: could not render VA surface
0:00:01.165143875 20639       0xdec4f0 DEBUG              vaapisink gstvaapisink.c:1065:gst_vaapisink_show_frame: render surface 0x4000001
0:00:01.165258008 20639       0xdec4f0 DEBUG              vaapisink gstvaapisink.c:1074:gst_vaapisink_show_frame: render rect (0,0), size 1920x818
0:00:01.165312895 20639       0xdec4f0 ERROR                  vaapi gstvaapiwindow_wayland.c:307:gst_vaapi_window_wayland_render: unsupported source rectangle for rendering
0:00:01.165350102 20639       0xdec4f0 DEBUG              vaapisink gstvaapisink.c:995:gst_vaapisink_put_surface: could not render VA surface
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Got EOS from element "pipeline0".
Execution ended after 83753186 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...