Firefox Snap Hardware Acceleration Disabled (125.0.2 canonical-002 - 1.0)

[Cory Frenette]

Firefox does not allow for hardware video decode, despite capable hardware.

output of vainfo:

libva info: VA-API version 1.20.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_1_20
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.20 (libva 2.12.0)
vainfo: Driver version: Mesa Gallium driver 24.0.5-1ubuntu1 for AMD Radeon Graphics (radeonsi, gfx1103_r1, LLVM 17.0.6, DRM 3.57, 6.8.0-31-generic)
vainfo: Supported profile and entrypoints
      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
      VAProfileAV1Profile0 : VAEntrypointVLD
      VAProfileAV1Profile0 : VAEntrypointEncSlice
      VAProfileNone : VAEntrypointVideoProc

Firefox about:support video codec support:

Codec Name Software Decoding Hardware Decoding
H264 Supported Unsupported
VP9 Supported Unsupported
VP8 Supported Unsupported
AV1 Supported Unsupported
HEVC Unsupported Unsupported
Theora Supported Unsupported
AAC Supported Unsupported
MP3 Supported Unsupported
Opus Supported Unsupported
Vorbis Supported Unsupported
FLAC Supported Unsupported
Wave Supported Unsupported