On Mon, Jul 29, 2024 at 01:52:51PM GMT, Jan Stary wrote: > On Jul 21 18:00:28, lu...@sexy.is wrote: > > On Sun, Jul 21, 2024 at 01:09:24PM GMT, José Maldonado wrote: > > > This is rare. In my case, using mpv+yt-dlp for YouTube videos work > > > fine (using 4.4.4p3 and 4.4.4p5). > > > > This isn't firefox tho, which is were I do experience issues. My > > ffmpeg+mpv works fine, even mpv+yt-dlp with your YouTube video. > > To be clear: what do you mean by ffmpeg+mpv, as opposed to mpv+ytdlp? > mpv uses ffmpeg's libavcodec (right?) for software decoding; > does mpv also use some parts of ffmpeg when hw decoding via vaapi? > > If not, then ffmpeg does not enter into it, right? > If yes, then it would be the same for mpv+ytdlp (right?), > as yt-dlp is just a downloader. > > Sorry if I'm missing something obvious.
I wanted to stress that the problem wasn't the video from YouTube, but Firefox's playback, as José was talking about the YouTube video but with mpv playing it. > > > mpv https://www.youtube.com/watch\?v\=PXFXEGLi3wg > > > (+) Video --vid=1 (*) (vp9 1920x1080 59.940fps) > > > (+) Audio --aid=1 --alang=eng (*) (aac 2ch 44100Hz) > > > Subs --sid=1 --slang=live_chat 'json' (null) (external) > > > File tags: > > > Uploader: Edu Camps > > > Channel_URL: https://www.youtube.com/channel/UCV6dTKLL29jPIggEvjIMPzw > > > [ffmpeg/video] vp9: No support for codec vp9 profile 0. > > > AO: [sndio] 44100Hz stereo 2ch s16 > > > VO: [gpu] 1920x1080 yuv420p > > > > I don't believe you're doing hardware decoding here. This is how it > > looks in my machine: > > > > (+) Video --vid=1 (*) (vp9 3840x2160 59.940fps) > > (+) Audio --aid=1 --alang=eng (*) (aac 2ch 44100Hz) > > Subs --sid=1 --slang=live_chat 'json' (null) (external) > > File tags: > > Uploader: Edu Camps > > Channel_URL: https://www.youtube.com/channel/UCV6dTKLL29jPIggEvjIMPzw > > Using hardware decoding (vaapi). > > AO: [sndio] 44100Hz stereo 2ch s16 > > VO: [gpu] 3840x2160 vaapi[nv12] > > > > You need both --hwdec=auto in mpv and one of graphics/intel-media-driver > > or graphics/intel-vaapi-driver for Intel cards, depending on your > > graphics card. idk what the requirements are for AMD cards. > > There is a difference I see between usimg mpv-0.38.0, > which didn't use vaapi (right?) and mpv-0.38.0p0, which does. > (My i965 doesn't do vp9, using h264.) 0.38.0 shouldn't use vaapi, as it used the configure flag -Dvaapi=disabled. Check the commit history for more details. > $ mpv /media/Brabec/kytice.mkv > (+) Video --vid=1 (*) (h264 1920x1080 23.999fps) > (+) Audio --aid=1 --alang=cze (*) (ac3 6ch 48000Hz) > Using hardware decoding (vaapi-copy). > AO: [sndio] 48000Hz 5.1(alsa) (5.1) 6ch s16 > VO: [gpu] 1920x1080 nv12 > AV:l00:00:00:/001:23:43:(0%)3A-V:)-0.0180ct:0-0.0650m?25h > Exiting... (Quit) > > $ mpv /media/Brabec/kytice.mkv > (+) Video --vid=1 (*) (h264 1920x1080 23.999fps) > (+) Audio --aid=1 --alang=cze (*) (ac3 6ch 48000Hz) > Using hardware decoding (vaapi). > AO: [sndio] 48000Hz 5.1(alsa) (5.1) 6ch s16 > VO: [gpu] 1920x1080 vaapi[nv12] > AV:l00:00:02:/001:23:43:(0%)3A-V:)-0.0010ct:0-0.0820m?25h > Exiting... (Quit) > > What does the "vaapi-copy" stand for? manpage. > It seems the old mpv-0.38.0 (i.e. not -p0) > was using some kinf of vaapi already; > does mpv carry its own copy? Own copy of ffmpeg? No: https://github.com/mpv-player/mpv?tab=readme-ov-file#compilation .
