[Webkit-unassigned] [Bug 260422] New: [GStreamer][GTK] Hardware-accelerated decode doesn't work on Nvidia hardware

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Aug 19 02:52:44 PDT 2023


            Bug ID: 260422
           Summary: [GStreamer][GTK] Hardware-accelerated decode doesn't
                    work on Nvidia hardware
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kdwkleung at protonmail.com
                CC: bugs-noreply at webkitgtk.org

With the environment variable GST_PLUGIN_FEATURE_RANK=nvav1dec:MAX,nvh264dec:MAX,nvh265dec:MAX,nvjpegdec:MAX,nvmpeg2videodec:MAX,nvmpeg4videodec:MAX,nvmpegvideodec:MAX,nvvp8dec:MAX,nvvp9dec:MAX set, video playback uses the same CPU % as before, and nvtop doesn't show the media decode engine being used.

On Intel GPUs max-ranking va elements work. nvdec elements also work in video players like Clapper.

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