From: Lee Revell <rlrevell@joe-job.com>
To: rong wang <rhong_wang@yahoo.com>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: CODEC plug in
Date: Thu, 12 May 2005 11:15:25 -0400 [thread overview]
Message-ID: <1115910925.20909.23.camel@mindpipe> (raw)
In-Reply-To: <20050512145910.57874.qmail@web31702.mail.mud.yahoo.com>
On Thu, 2005-05-12 at 07:59 -0700, rong wang wrote:
> I am new in linux. My question is where is the CODEC
> plug-in, I can plug in different codec of my own in
> the ALSA. Where is the digital mixing and sample rate
> conversion in the ALSA?
>
These live in userspace. Mixing is handled by dmix, SRC by the plughw
plugin. See the alsa-lib distribution.
> Is there any complete design doc for the ALSA? So, I
> can see the control flow top-down.
Not exactly. But this document should give a pretty good idea of the
control flow when using a PCM.
http://www.alsa-project.org/~iwai/writing-an-alsa-driver/
Lee
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prev parent reply other threads:[~2005-05-12 15:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-12 14:59 CODEC plug in rong wang
2005-05-12 15:15 ` Lee Revell [this message]
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