Bug 241665

Summary: mp4 file doesn't produce any sound when played
Product: WebKit Reporter: Karl Dubost <karlcow>
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Normal CC: jean-yves.avenard, jer.noble, webkit-bug-importer, y_soliman
Priority: P2 Keywords: BrowserCompat, InRadar
Version: Safari Technology Preview   
Hardware: Mac (Apple Silicon)   
OS: macOS 10.15   
Attachments:
Description Flags
Console Log when the MP4 is playing none

Description Karl Dubost 2022-06-15 18:13:54 PDT 
Created attachment 460264 [details]
Console Log when the MP4 is playing

1. with Safari build 18614.1.14.1.15 on macOS Ventura
2. Go to http://ipla-e1-78.pluscdn.pl/p/movies/8f/8fc6aa7d3808f476dee9b99722343b30.mp4
3. Wait for the file to load
4. Click Play

Expected:
Video starts with the sound

Actual:
Video starts without sound


* Working on Firefox 103.0a1 (2022-06-14) (64-bit)
* Working on Chrome Version 104.0.5106.0 (Official Build) canary (arm64)
* Was already failing on Safari 13.1.2 and Safari 13.1 on Mac OS X 10.15.4
Comment 1 Radar WebKit Bug Importer 2022-06-15 18:14:24 PDT 
<rdar://problem/95254892>
Comment 2 Karl Dubost 2022-06-15 18:16:56 PDT 
Initially reported on https://github.com/webcompat/web-bugs/issues/69920
Comment 3 Youssef Soliman 2022-07-15 15:59:53 PDT 
We have determined that this is an issue in an underlying framework, so closing as INVALID. This will continue to be tracked by Apple internally.

This file's audio is also not working in the built-in QuickTime Player.