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 10:39:59 +0100 [thread overview]
Message-ID: <20111014093959.GA2966@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4E97F964.4080701@canonical.com>
On Fri, Oct 14, 2011 at 10:57:08AM +0200, David Henningsson wrote:
> There is also the "Use Case" concept in UCM, Is there always exactly
> one verb for every use case? If not, one might wonder if "Use Case"
> or "Verb" is what should correspond to the "Profile" concept.
Yes, pretty much.
> 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.
> Hmm, for every sink/source, there can only be one active port at a
> time. Also, ports on the same sink/source can be changed on the fly
> without restarting the stream. Does this fit with the description of
> a UCM "Device"?
Pretty much.
next prev parent reply other threads:[~2011-10-14 9:40 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 [this message]
2011-10-14 10:00 ` David Henningsson
2011-10-14 11:35 ` Mark Brown
[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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