Bug 195869

Summary:	Volume reduced after plugin / plug out headphone
Product:	WebKit	Reporter:	Jimmy <jimmy.xu>
Component:	WebRTC	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Major	CC:	eric.carlson, jer.noble, jonlee, webkit-bug-importer, youennf
Priority:	P2	Keywords:	InRadar
Version:	Safari 12
Hardware:	Mac
OS:	macOS 10.13

Description Jimmy 2019-03-17 18:37:26 PDT

Volume of whole Mac OS reduced automatically after pluin / plug out headphone during WebRTC call
Reproduce steps:
1. Goto WebRTC example site: appr.tc
2. Start a WebRTC meeting
3. Other device join the meeting and make sure both side can hear / see each other.
4. Make sure the system audio volume is max.
5. Plug in headphone
6. Plug out headphone

Actual behavior:
After step 6. The volume is reduced a lot and user can hardly hear other side.

Expected behavior:
The volume should not be affected after step 6.

Mac OS: High Sierra. 10.13.6
Safari: Version 12.0 (13606.2.11)

Comment 1 Radar WebKit Bug Importer 2019-03-18 18:54:49 PDT

<rdar://problem/49003740>