[pulseaudio-discuss] [PATCH] native: Don't save device, volume or mute of new streams.

Tanu Kaskinen tanuk at iki.fi
Mon Jun 11 02:35:36 PDT 2012

On Thu, 2012-04-05 at 16:13 +0100, Colin Guthrie wrote:
> 'Twas brillig, and Tanu Kaskinen at 05/04/12 14:24 did gyre and gimble:
> > Specifying the volume when creating a new stream is not an
> > equivalent act as setting the volume with a volume control
> > application. When creating a new stream, stream-restore
> > shouldn't save the volume, but when changing the volume,
> > then saving it is ok. For example, when I say
> > "paplay --volume=10000 somefile.wav", I mean that I want the
> > new stream to have volume 10000. I don't mean that also
> > future paplay invocations (without the --volume option)
> > should have that same volume.
> My initial reaction on seeing this commit was, I would consider passing
> a volume with a new stream as user input...
> > This patch effectively reverts
> > 546bcf3f2f9711f0d08c21c3b775994844e7e2a2.
> ... which is exactly what Lennart said in this commit!  Spooky!
> But on reflection, I'm not sure what I really feel about this.
> All in all, I think we want to discourage clients from setting volumes
> like this anyway (paplay is arguably a special case), as they are trying
> to outsmart us and override user settings (e.g. how does the app know if
> it is controlling a category wide volume or just itself, or the volume
> as was on the Headphones port vs. the Speaker - so it shouldn't even try!)
> But yeah, I don't see any massive problem here regarding not considering
> it user input, but wouldn't be surprised if a counter argument cropped up...

No counter arguments received - I've pushed the patch now.


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