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by thinkbud 2073 days ago
Last week, I tried this on an AMD 3400g (Vega 11 amdgpu) with that specific environment variable and my results were: - vainfo told me it (VA-API) can decode vp9 and h264 among others - mpv plays vp9 and h264 using vaapi - firefox log mentions using VA-API in h264 playback but in vp9 nothing related is printed

Maybe firefox whitelisted only h264 for hw decode?