From: itxEpsilon <carlos@isometrica.net>
To: alsa-devel@alsa-project.org
Subject: Re: How to mix two PCM channels with ALSA
Date: Thu, 6 Dec 2012 16:18:06 +0000 (UTC) [thread overview]
Message-ID: <loom.20121206T171348-66@post.gmane.org> (raw)
In-Reply-To: 50C0AA5F.1040503@ladisch.de
Clemens Ladisch <clemens <at> ladisch.de> writes:
>
> itxEpsilon wrote:
> > I'm trying to write a simple application
> > for mixing two PCM sound channels in
> > C++. Could anyone provide me a
> > quick example about how to implement
> > this operation?
>
> outputSample[i] = inputChannel1[i] + inputChannel2[i];
>
> What does this have to do with ALSA?
>
> Regards,
> Clemens
>
Hi,
That's no my question, I'd like to know how is performed with the ALSA API.
i.e.
playSound(buffer1);
playSound(buffer2);
is it implicitly mixed when playing two buffers by hardware?
Thanks.
Carlos.
next prev parent reply other threads:[~2012-12-06 16:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 12:27 How to mix two PCM channels with ALSA itxEpsilon
2012-12-06 14:23 ` Clemens Ladisch
2012-12-06 16:18 ` itxEpsilon [this message]
2012-12-06 18:05 ` Clemens Ladisch
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