Now we're getting somewhere!
chrome://gpu shows:
```
Vulkan: Disabled
...
Video Acceleration Information
Vulkan Information
Device Performance Information
Log Messages
[4784:4784:0719/142605.755018:ERROR:vaapi_wrapper.cc(511)] : vaInitialize
failed: unknown libva error
[4784:4784:0719/142605.967571:ERROR:sandbox_linux.cc(374)] :
InitializeSandbox() called with multiple threads in process gpu-process.
[4784:4784:0719/142607.971915:ERROR:gl_surface_presentation_helper.cc(258)] :
GetVSyncParametersIfAvailable() failed for 1 times!
[4784:4784:0719/142607.987560:ERROR:gl_surface_presentation_helper.cc(258)] :
GetVSyncParametersIfAvailable() failed for 2 times!
[4784:4784:0719/142607.990878:ERROR:gl_surface_presentation_helper.cc(258)] :
GetVSyncParametersIfAvailable() failed for 3 times!
[4784:4784:0719/142858.879624:WARNING:ipc_message_attachment_set.cc(49)] :
MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[4784:4784:0719/142858.880096:WARNING:ipc_message_attachment_set.cc(49)] :
MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[4784:4784:0719/142951.806243:WARNING:ipc_message_attachment_set.cc(49)] :
MessageAttachmentSet destroyed with unconsumed attachments: 0/1
```
Yet my native non-snap environment shows:
$ vainfo
libva info: VA-API version 1.7.0
libva info: Trying to open /usr/lib/aarch64-linux-gnu/dri/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_1_7
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.7 (libva 2.6.0)
vainfo: Driver version: Mesa Gallium driver 20.0.8 for AMD Radeon (TM) Pro WX
3200 Series (POLARIS12, DRM 3.37.0, 5.7.0-050700-generic, LLVM 10.0.0)
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
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileNone : VAEntrypointVideoProc
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https://bugs.launchpad.net/bugs/1816497
Title:
[snap] vaapi chromium no video hardware decoding
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