[Bug 2064884] [NEW] Firefox Snap Hardware Acceleration Disabled (125.0.2 canonical-002 - 1.0)

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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

** Affects: firefox
     Importance: Undecided
         Status: New

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Firefox Snap Hardware Acceleration Disabled (125.0.2 canonical-002 - 1.0)
https://bugs.launchpad.net/bugs/2064884
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