On 09/21/2011 04:16 PM, Tanu Kaskinen wrote:
On Wed, 2011-09-21 at 17:08 +0300, David Henningsson wrote:
On 09/21/2011 02:22 PM, Tanu Kaskinen wrote:
Hi,
There exists audio hardware that produces annoying noise (snap, crackle,
pop) when changing the alsa mixer settings, unless hw mute is used
during the mixer changes. I'm planning to fix this by using hw mute
during path activation, if the path provides hw mute. If anyone has
objections or other comments, the best time to publish them would be
now :)
Does not sound like anything I would like to enable by default - e g,
what if hw mute introduces a click, and changing the volume does not?
If you think that such hardware is likely to exist,
It seems more likely than what you're describing, but take that with a
grain of salt - I have no real data to back it up.
then I guess I'll
have to make this configurable, and disable it by default. The path
configuration files would get a new option for the [General] section:
"mute-during-activation = yes/no". Does that sound ok to you?
May I ask if this is driven by specific (non-PC) hw where you experience
this problem, or if you see a general need for it?
Anyway, it seems that the logical place to put this in would be at the
(udev quirkable) card level, that way PA could potentially ship with a
quirk database for hw that needs this enabled. Do you agree?
--
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic
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