On Sat, Apr 26, 2025 at 10:09 PM Andrea paz <[email protected]> wrote: > > I did two tests with ffmpeg standalone: > > 1) > time -p ffmpeg -hwaccel vaapi -i hdr_02.mp4 -c:a copy -c:v rawvideo -f > nut /dev/null > > fps=26 > speed=0.438x > CPU load=5% > > 2) (no vaapi) > time -p ffmpeg -i hdr_02.mp4 -c:a copy -c:v rawvideo -f nut /dev/null > > fps=100 > speed=1.66x > > > I loaded the video to CinGG. > Playback: > > Vaapi > X11 --> ~59.7 fps (some freeze at 49 fps) > X11 reverse playback --> 9-18 fps (many artefacts) > > OpenGL --> ~12 fps (many freezes and artefacts) > OpenGL reverse --> 7-9 fps (inusable for freeze and artifacts) > > No vaapi > X11 --> 59.7 fps (no artefacts) > X11 reverse --> 3-9 fps (many freezes and artefacts)
I think I am seeing some artefacts on reverse too, but normal playback was fixed for me by checking "Play every frame" checkbox Can you post mediainfo of input file too? > > > Rendering (h265.mp4 and hevc_vaapi_8b420.mp4): > > h265.mp4 --> 10 fps > hevc_vaapi_8b420.mp4 --> 23.7 fps -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
