Re: different between "default" and "hw:0,0"?

[Lee Revell <rlrevell@joe-job.com>]

On Tue, 2006-11-28 at 13:26 +0800, \x05 wrote:
> Hi all,
> I'm new to alsa, and get some confused with "default" device and and the
> "hw:0,0" device, do they have any difference?
> i write a very simple media player app, using xine-lib, i modify the
> xine config file, set the "audio.device.alsa_front_device" value to
> "hw:0,0". 
> i found that, when the value is "hw:0,0", the program can NOT run more
> than one process at same time(I mean only one process can play
> sound,others hang),
> when the value set to "default", i can run more than one process, and
> every app can play sound at same time.
> so, it seems that, the "default" and he "hw0,0" are not same, and i
> don't know the detail.

Using the hw device bypasses ALSA's software mixing layer and thus only
one app can play at a time.  Apps should always use "default" unless you
know what you are doing.

Lee


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