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Firefox HEVC playback with HW acceleration, does it actually works ? (lemmy.world)

submitted 3 days ago by [email protected] to c/linux4noobs

2 comments fedilink hide all child comments

Hello all, Recently Firefox 137 was announces with the addition of HEVC playback with hardware acceleration support for Linux. I am using Firefox 137 installed via DNF on Fedora 41, but if I try to play HEVC video for example from my Jellyfin, it will have to transcode, if I go try this test sample it straight up not play, so what's up with that ? Playing content with mpv will work just fine. Firefox also reports HEVC decoding as supported. Same result with both my desktop with AMD iGPU and dGPU, as well as my laptop with just Intel iGPU.

vainfo
Trying display: wayland
libva info: VA-API version 1.22.0
libva info: Trying to open /usr/lib64/dri-nonfree/radeonsi_drv_video.so
libva info: Trying to open /usr/lib64/dri-freeworld/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_1_22
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.22 (libva 2.22.0)
vainfo: Driver version: Mesa Gallium driver 25.0.2 for AMD Radeon RX 5700 XT (radeonsi, navi10, LLVM 19.1.7, DRM 3.61, 6.13.10-200.fc41.x86_64)
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileVC1Simple              :	VAEntrypointVLD
      VAProfileVC1Main                :	VAEntrypointVLD
      VAProfileVC1Advanced            :	VAEntrypointVLD
      VAProfileH264ConstrainedBaseline:	VAEntrypointVLD
      VAProfileH264ConstrainedBaseline:	VAEntrypointEncSlice
      VAProfileH264Main               :	VAEntrypointVLD
      VAProfileH264Main               :	VAEntrypointEncSlice
      VAProfileH264High               :	VAEntrypointVLD
      VAProfileH264High               :	VAEntrypointEncSlice
      VAProfileHEVCMain               :	VAEntrypointVLD
      VAProfileHEVCMain               :	VAEntrypointEncSlice
      VAProfileHEVCMain10             :	VAEntrypointVLD
      VAProfileHEVCMain10             :	VAEntrypointEncSlice
      VAProfileJPEGBaseline           :	VAEntrypointVLD
      VAProfileVP9Profile0            :	VAEntrypointVLD
      VAProfileVP9Profile2            :	VAEntrypointVLD
      VAProfileNone                   :	VAEntrypointVideoProc

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[–] onlinepersona 1 points 3 days ago

Try and find out which hardware it supports. It's possible they only have NVIDIA graphics cards at Mozilla. AMD might not be supported at all, or only newer cards might.

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[–] [email protected] 2 points 3 days ago

I only tried with jellyfin and that went straight to transcoding. Idk what's going on.