[Webkit-unassigned] [Bug 245851] New: Issues with high resolution video playback

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245851

            Bug ID: 245851
           Summary: Issues with high resolution video playback
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tri.voxel at gmail.com
                CC: bugs-noreply at webkitgtk.org

System:
Operating System: Fedora 36 (with Gnome on Wayland)
CPU: AMD Ryzen 7 3700X
GPU: AMD Radeon RX 5700 XT
Gnome Web version: 42.2
WebKitGTK version: 2.38.0

I've noticed a major issue when trying to stream video content from a site known as Odysee.com. This site is a competitor to YouTube, and is a good example of playback issues. In Chrome and Firefox, a user can select a video quality in the lower right corner. The site typically defaults to 720p, but can be changed to 1080p. Selecting 1080p in Chrome and Firefox will cause the video to load as expected. Selecting this option in WebKitGTK will cause the video to buffer indefinitely, and may even cause the webpage to become completely unresponsive. Now, you may notice there are two "1080p" options on Odysee's videos. One says "1080p", the other says "original (1080p)". Selecting "original" can sometimes work, selecting "1080p" will break the playback. This is a bug I can only replicate on WebKitGTK.

Additionally, some one-off video sites are just absolutely terrible from time to time. It likely depends on the codecs being used, but an example of this is https://videos.trom.tf . I don't use this site personally or know much about it, but I loaded a video through it once and it just refused to play in 1080p on WebKit, much the same as Odysee, but worked fine in Firefox. It seems the video playback system needs a lot of work.

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