From: David Henningsson <david.henningsson@canonical.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: [RFC] Channel mapping API (take 2)
Date: Wed, 05 Sep 2012 10:32:24 +0200 [thread overview]
Message-ID: <50470E18.5000404@canonical.com> (raw)
In-Reply-To: <s5hhard23jb.wl%tiwai@suse.de>
On 09/04/2012 05:47 PM, Takashi Iwai wrote:
> The phase inverted channel has this bit:
> #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
Hmm. On second thought, as mics are plugged in and unplugged during
recording, the channel map will change. (E g, changing a digital mic
with phase inverse, to a stereo line in)
Will we also need a notify callback in alsa-lib to know changes in the
channel map?
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
next prev parent reply other threads:[~2012-09-05 8:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 15:47 [RFC] Channel mapping API (take 2) Takashi Iwai
2012-09-05 6:00 ` Tanu Kaskinen
2012-09-05 6:17 ` Takashi Iwai
2012-09-05 6:38 ` Tanu Kaskinen
2012-09-05 6:49 ` David Henningsson
2012-09-05 6:59 ` Takashi Iwai
2012-09-05 8:32 ` David Henningsson [this message]
2012-09-05 10:34 ` Takashi Iwai
2012-09-06 11:47 ` Raymond Yau
2012-09-06 11:56 ` Takashi Iwai
2012-09-07 9:16 ` Tanu Kaskinen
2012-09-07 9:43 ` Takashi Iwai
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