[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 #19 from Philippe Normand <philn at igalia.com> ---
So glimagesink negotiates dmabuf with the decoder. Our GL sink doesn't support this but there's some experimental dmabuf sink, opt-in, through the WEBKIT_GST_DMABUF_SINK_ENABLED=1 env var. Can you try?

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