Bug 258009

Summary: MediaRecorder does not support transparent video
Product: WebKit Reporter: vojacem
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: eric.carlson, jer.noble, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: Safari 16   
Hardware: Mac (Apple Silicon)   
OS: macOS 13   
Attachments:
Description Flags
Testing example none

Description vojacem 2023-06-13 01:02:25 PDT 
Created attachment 466676 [details]
Testing example

Content recorded with MediaRecorder replaces transparent areas with black color.
Comment 1 Radar WebKit Bug Importer 2023-06-20 01:03:15 PDT 
<rdar://problem/111026943>