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From: Takashi Iwai <tiwai@suse.de>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: [RFC] Channel mapping API
Date: Tue, 21 Aug 2012 21:23:45 +0200	[thread overview]
Message-ID: <s5h628c9hha.wl%tiwai@suse.de> (raw)
In-Reply-To: <5033CD8D.6070002@linux.intel.com>

At Tue, 21 Aug 2012 13:03:57 -0500,
Pierre-Louis Bossart wrote:
> 
> On 8/21/2012 5:31 AM, Takashi Iwai wrote:
> > The additional alsa-lib API functions look like:
> >
> >    int **snd_pcm_query_chmaps(snd_pcm_t *pcm);
> >    int *snd_pcm_get_chmap(snd_pcm_t *pcm);
> >    int snd_pcm_set_chmap(snd_pcm_t *pcm, const int *map);
> Hi Takashi,
> Maybe my question is slightly off-topic but can this be used by 
> applications relying on tinyALSA or tinyCompress? Looks like we will 
> need to replicate the same ideas based on TLV?

Yes, the TLV parser code and conversion from the control element
values to int array would be required.  Other than that, the kernel
ABI itself is just a re-use of the exiting infrastructure.


Takashi

      reply	other threads:[~2012-08-21 19:23 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-21 10:31 [RFC] Channel mapping API Takashi Iwai
2012-08-21 11:24 ` David Henningsson
2012-08-21 11:44   ` Clemens Ladisch
2012-08-21 12:06   ` Takashi Iwai
2012-08-21 13:13     ` Takashi Iwai
2012-08-21 11:37 ` Clemens Ladisch
2012-08-21 12:15   ` Takashi Iwai
2012-08-21 12:31     ` Jaroslav Kysela
2012-08-21 12:35       ` Takashi Iwai
2012-08-21 13:14         ` Takashi Iwai
2012-08-21 14:00   ` David Henningsson
2012-08-21 14:06     ` Mark Brown
2012-08-21 14:13       ` David Henningsson
2012-08-21 14:18         ` Mark Brown
2012-08-21 14:49           ` Takashi Iwai
2012-08-21 15:38             ` Clemens Ladisch
2012-08-21 16:27               ` Mark Brown
2012-08-21 17:05                 ` Takashi Iwai
2012-08-21 17:11                   ` Mark Brown
2012-08-21 19:29                     ` Takashi Iwai
2012-08-21 15:49             ` Mark Brown
2012-08-21 14:52           ` David Henningsson
2012-08-21 15:07             ` Mark Brown
2012-08-21 15:38               ` David Henningsson
2012-08-21 16:34                 ` Mark Brown
2012-08-21 17:09                   ` Takashi Iwai
2012-08-21 17:57                     ` Mark Brown
2012-08-21 13:59 ` Mark Brown
2012-08-21 14:08   ` Takashi Iwai
2012-08-21 14:12     ` Mark Brown
2012-08-21 18:03 ` Pierre-Louis Bossart
2012-08-21 19:23   ` Takashi Iwai [this message]

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