[Webkit-unassigned] [Bug 54140] [GStreamer] Video player sets system volume to 100%

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Feb 11 09:13:15 PST 2011


--- Comment #5 from Jonathon Jongsma (jonner) <jonathon at quotidian.org>  2011-02-11 09:13:15 PST ---
(In reply to comment #2)
> I tracked down this issue to gstreamer's pulsesink :/
> Can you try this in command line? This is more or less the equivalent of what our player does and I can reproduce the volume issue with this:
> gst-launch-0.10 playbin2 volume=1 uri=file://....
> Removing volume=1 fixes the problem

Yes, I can reproduce with that command line.  That's the same case as I was talking about in my initial case where increasing the rhythmbox application volume slider to 100% also drags the system volume upw ith it.  And my suspicion is that this is how pulseaudio is *supposed* to work (e.g. I wouldn't be surprised at all if the gstreamer/pulse guys said that this is not a bug).  

I think the workaround is actually more harmful than good.  Because initially it'll start out at a normal volume (with system volue set at ~25%), but if you try to adjust the volume down slightly in the webkit player (e.g. to ~90%), your system volume will suddenly be set to 90% and you'll get blasted even though you were trying to reduce the volume.  Or do I misunderstand the patch?

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