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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

Best: Indian friend invited me to his wedding in India, 5 days straight of eating delicious food, rituals and ceremonies. As a European, this was entirely exotic to me. Also it was my first time in India and I did a little bit a tourist on the side of the events. Main wedding day had over 2000 people invited, traditional food service for lunch, ice cream booth. The ceremony was in an amphitheatre with the a temple built on stage entirely covered in flowers, it smelled very nice.
Worst: my wedding 😅. Married during COVID in a foreign country, my family were not allowed to travel, country on lockdown. It was my wife and I, ceremony was 3 minutes top-chrono. Witnesses provided by the municipality. It was still a great time, we had the photoshoot after and spend the week exploring Copenhagen without tourists. We had a celebration with family and friends 2 years later, it was very humble but everyone was so happy to meet after all the isolation and it was a great time too.