[Webkit-unassigned] [Bug 278938] New: Canvas Context DrawImage() fails with tall videos

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=278938

            Bug ID: 278938
           Summary: Canvas Context DrawImage() fails with tall videos
           Product: WebKit
           Version: Safari 17
          Hardware: All
                OS: macOS 14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mdiehr at xochi.com
                CC: sabouhallawa at apple.com

This seems like a long-standing issue, I first reported it back under Safari 15 under macOS Monterey 12 and Feedback Assistant case FB FB10024126
It persists in Safari 17 and macOS 14, as well as Safari Technology Preview (202).

Some videos fail to draw anything when Canvas Context DrawImage(video) is called. 

Seems to affect particularly videos that are taller than wide, and may often happen more often with videos from LivePhotos.

Steps to reproduce:

Open this web page and click the play button:
 https://xochi.com/xojo/canvas/index.html

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