From: Giuliano Pochini <pochini@shiny.it>
To: Arve Knudsen <aknuds-1@broadpark.no>
Cc: alsa-devel@lists.sourceforge.net,
Paul Davis <paul@linuxaudiosystems.com>
Subject: Re: Query devices in a non-blocking fashion
Date: Wed, 10 Dec 2003 12:26:53 +0100 (CET) [thread overview]
Message-ID: <XFMail.20031210122653.pochini@shiny.it> (raw)
In-Reply-To: <oprzvc5mu3q1sf88@mail.broadpark.no>
On 08-Dec-2003 Arve Knudsen wrote:
> Wether its done via the control or pcm interface, it'd be good to have a
> loose coupling between configuration and streams, so one could could access
> configuration space without locking a stream don't you think?
Yes, of course. Perhaps it can be done already with the current API. I
never investigated how the configuration process works, but I know the
driver can define rule functions to manage complex hw constraints.
Maybe you can change the snd_pcm_hardware_t structure according to the
new setting from those functions. I mean, the application calls
snd_pcm_hw_params_set_rate_near(96000);
The hw_rule function is called, which does pcmhw.channels_max=12;
Paul, Jaroslav, is it possible/legal ?
--
Giuliano.
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next prev parent reply other threads:[~2003-12-10 11:26 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-07 17:07 Query devices in a non-blocking fashion Arve Knudsen
2003-12-07 18:40 ` Jaroslav Kysela
2003-12-07 18:56 ` Arve Knudsen
2003-12-07 19:19 ` Paul Davis
2003-12-07 19:31 ` Arve Knudsen
2003-12-07 19:38 ` Jaroslav Kysela
2003-12-07 19:51 ` Arve Knudsen
2003-12-07 20:00 ` Jaroslav Kysela
2003-12-07 20:13 ` Arve Knudsen
2003-12-07 20:44 ` Jaroslav Kysela
2003-12-07 21:11 ` Arve Knudsen
2003-12-08 10:49 ` Frank Barknecht
2003-12-08 11:08 ` Arve Knudsen
2003-12-08 11:39 ` Frank Barknecht
2003-12-08 11:52 ` [Alsa-devel][OT]Was: " Arve Knudsen
2003-12-07 19:56 ` Paul Davis
2003-12-07 20:05 ` Jaroslav Kysela
2003-12-08 15:19 ` Giuliano Pochini
2003-12-08 15:54 ` Arve Knudsen
2003-12-08 16:57 ` Jaroslav Kysela
2003-12-08 17:43 ` Arve Knudsen
2003-12-14 16:17 ` Patrick Shirkey
2003-12-14 16:38 ` Paul Davis
2003-12-14 16:46 ` Arve Knudsen
2003-12-14 19:06 ` Query devices in a non-blocking fashion / 3D capabilties Manuel Jander
2003-12-15 9:02 ` Jaroslav Kysela
2003-12-15 8:59 ` Query devices in a non-blocking fashion Jaroslav Kysela
2003-12-15 9:39 ` Arve Knudsen
2003-12-10 11:26 ` Giuliano Pochini [this message]
2003-12-08 17:04 ` Paul Davis
-- strict thread matches above, loose matches on Subject: below --
2003-12-12 18:31 Andrew Burgess
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