From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: David Henningsson <david.henningsson@canonical.com>
Cc: alsa-devel@alsa-project.org, linaro-dev@lists.linaro.org,
General PulseAudio Discussion
<pulseaudio-discuss@lists.freedesktop.org>,
Colin Guthrie <gmane@colin.guthr.ie>,
Feng Wei <feng.wei@linaro.org>, Liam Girdwood <lrg@ti.com>
Subject: Re: [pulseaudio-discuss] alsa ucm in pulseaudio
Date: Fri, 14 Oct 2011 12:35:06 +0100 [thread overview]
Message-ID: <20111014113506.GD2966@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4E980856.4040507@canonical.com>
On Fri, Oct 14, 2011 at 12:00:54PM +0200, David Henningsson wrote:
> On 10/14/2011 11:39 AM, Mark Brown wrote:
> >On Fri, Oct 14, 2011 at 10:57:08AM +0200, David Henningsson wrote:
> >>As for ports, this again depends on what is mutually exclusive and
> >>what could be used in parallel, I vaguely remember "Modifiers" as
> >>something that could be used in parallel with existing streams, if
> >>so, they need to be separate sinks/sources.
> >Modifiers and Devices can both be used concurrently.
> Modifiers, if any? E g, would UCM allow for three active Devices and
> four active Modifiers, all resulting in seven independent PCM
> streams running concurrently? Or are there constraints in that e g
> all Devices and/or Modifiers must share the same PCM stream?
There can be more than one PCM stream but there needn't be a PCM stream
per device (and that would fail to reflect what hardware can actually
implement).
next prev parent reply other threads:[~2011-10-14 11:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-14 2:47 alsa ucm in pulseaudio Feng Wei
2011-10-14 6:35 ` [pulseaudio-discuss] " David Henningsson
[not found] ` <4E97D81E.4080607-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2011-10-14 7:39 ` Feng Wei
[not found] ` <CAJ4+uhUL-mR_=Tot4XBbQuMRgbg45raL+058prXgEmrpG5Jukg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-14 8:57 ` David Henningsson
2011-10-14 9:39 ` Mark Brown
2011-10-14 10:00 ` David Henningsson
2011-10-14 11:35 ` Mark Brown [this message]
[not found] ` <4E97F964.4080701-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2011-10-14 9:42 ` Feng Wei
[not found] ` <CAJ4+uhUGgcFtZrYdu4-kzd8Er5tr0rFuAu4foY04Ku2JyQaeyw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-14 10:19 ` David Henningsson
[not found] ` <4E980CC9.2050303-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2011-10-14 10:40 ` Feng Wei
[not found] ` <CAJ4+uhX1bYr3HEUwtKCSLkzsa71OLo4KSP00+Kx25H=t1Ves7g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-14 10:57 ` David Henningsson
2011-10-14 12:18 ` Mark Brown
2011-10-17 7:14 ` Arun Raghavan
2011-10-17 7:45 ` Feng Wei
2011-10-17 8:32 ` David Henningsson
2011-10-17 10:23 ` Mark Brown
2011-10-17 10:55 ` Arun Raghavan
2011-10-17 11:03 ` Takashi Iwai
2011-10-14 12:01 ` Mark Brown
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