[Webkit-unassigned] [Bug 251017] [GStreamer] VA-API (GstVA) hardware-accelerated video decoding playback above 1080p resolution on YouTube in VP9 is very slow and stutters

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=251017

--- Comment #12 from Philippe Normand <philn at igalia.com> ---
Cool cool. So next step would be to compare the pipeline graphs and see what formats is negotiated in the decoder source pad and what are the elements downstream of it.

I guess there's a difference and the caps negotiated in WebKit trigger a bottleneck for rendering.

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