[Webkit-unassigned] [Bug 144773] New: [GTK] Volume drops on performing any action in chrome while playing {youtube, google play music} in another WebkitGTK based browser

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144773

            Bug ID: 144773
           Summary: [GTK] Volume drops on performing any action in chrome
                    while playing {youtube, google play music} in another
                    WebkitGTK based browser
    Classification: Unclassified
           Product: WebKit
           Version: 412
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P3
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: stellarhopper at gmail.com

System info:

Fedora 21 with gnome-shell 3.14.3, and epiphany 3.14.2, with google-chrome Version 39.0.2171.95 (64-bit).
webkitgtk4.x86_64  2.6.6-1.fc21

I've seen this happen with both the Epiphany browser, and nuvolaplayer (a WebkitGTK music player for web based music services).

Steps to reproduce:
1. Open Google play music or Youtube, and play a song or video
2. Switch to google-chrome
3. Refresh any tab in chrome (new-tab page is OK too)
4. Volume of media being played in Epiphany drops by about 50%
    - Neither the system volume bar nor the volume bars in the web apps change position
5 - After about 15-20 seconds, volume is restored

How reproducible: Always

Chrome Plugins:
Chrome PDF Viewer
Chrome Remote Desktop Viewer
Native Client
Widevine Content Decryption Module - Version: 1.4.6.703
Google Talk
Google Talk Plugin Video Renderer
Adobe Flash Player - Version: 16.0.0.235


Previously reported at:
https://github.com/tiliado/nuvolaplayer/issues/85
https://bugzilla.gnome.org/show_bug.cgi?id=746913

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