From: Clemens Ladisch <clemens@ladisch.de>
To: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Takashi Iwai <tiwai@suse.de>, alsa <alsa-devel@alsa-project.org>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: concept of substream...
Date: Wed, 08 Feb 2012 10:16:55 +0100 [thread overview]
Message-ID: <4F323D87.2020503@ladisch.de> (raw)
In-Reply-To: <1328691900.26182.149.camel@vkoul-udesk3>
Vinod Koul wrote:
> I was trying to understand the concept of substream. So can we have a
> device which can have support say 5 substreams and these are controlled
> (start/stop) independent of each other.
Yes.
> At any instance we can have any number of substreams active and runtime
> we should be able to activate/deactivate a particular substream.
If by "active" you mean opened or running, yes.
Please note that when opening a device without specifying a substream
number, ALSA will open the first free one. This implies that all
substreams should go the same output (i.e., be mixed together).
Regards,
Clemens
next prev parent reply other threads:[~2012-02-08 9:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-08 9:05 concept of substream Vinod Koul
2012-02-08 9:16 ` Clemens Ladisch [this message]
2012-02-08 9:26 ` Vinod Koul
2012-02-08 9:25 ` Takashi Iwai
2012-02-08 9:33 ` Vinod Koul
2012-02-08 11:11 ` Takashi Iwai
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