[pulseaudio-discuss] [PATCH 4/4] stream_intercaction: interact if a stream starts corked

Tanu Kaskinen tanuk at iki.fi
Mon Mar 21 14:56:31 UTC 2016


On Mon, 2016-03-21 at 15:41 +0100, Georg Chini wrote:
> On 21.03.2016 15:11, Tanu Kaskinen wrote:
> > On Mon, 2016-03-21 at 15:53 +0200, Tanu Kaskinen wrote:
> >> That aside, it seems to me that we shouldn't care about the current
> >> cork state anyway. If the stream is corked when we send the cork
> >> request, the application has two reasons to have the stream corked: the
> >> first reason is whatever reason made the application cork the stream in
> >> the first place, and the second reason is our cork request. When we
> >> send the uncork request, only one of those reasons goes away. It's up
> >> to the application to keep track of its corking reasons, and keep the
> >> stream corked as long as there is any reason to do so.
> > The cork state checking was added here:
> > https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=dda564f50b55340ff4bfbaa8d6d6fc6427f764f4
> >
> > Colin mentions paused Rhythmbox as an example use case where it would
> > make sense to avoid sending the cork/uncork requests. In my opinion
> > Rhythmbox shouldn't blindly unpause when it receives an uncork request
> > from PulseAudio, but if it does, then it might not be a good idea to
> > change the logic. This should be tested, but Rhythmbox is somehow
> > totally broken on this machine (won't play anything), so I can't do
> > that.
> >
> > -- 
> > Tanu
> 
> I don't touch the cork/uncork/mute/unmute logic for existing streams
> with that patch, only new streams are affected in so far that they are 
> muted.

Yes, I know. Your patch ignores the cork state for new streams, which
is good, but I tried to suggest that maybe it would be even if we
ignored the cork state also for existing streams.

-- 
Tanu


More information about the pulseaudio-discuss mailing list