Bug 186038

Summary:	drawImage from MediaSource video to canvas not showing image
Product:	WebKit	Reporter:	Andrey Starostin <itmyaddress>
Component:	Media	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	ben.browitt, eric.carlson, itmyaddress, jer.noble, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Safari 11
Hardware:	Mac
OS:	macOS 10.13
URL:	http://readme.link/test/safari_video_mse.html

Description Andrey Starostin 2018-05-28 12:05:08 PDT

drawImage from MediaSource video to canvas not showing image in Safari 11.1 (Example: http://readme.link/test/safari_video_mse.html : video and canvas). When using url to video instead of MediaSource (set video.src) then image drawn on canvas (Example: http://readme.link/test/safari_video_src.html). 
There is no problem in other browsers. In Safary Technology Preview, the problem is also present.

In WebKit tracker there is Bug 125157, he is marked as fixed.

Comment 1 Radar WebKit Bug Importer 2018-05-31 12:01:12 PDT

<rdar://problem/40694338>