From: Lee Revell <rlrevell@joe-job.com>
To: Carlos Munoz <carlos@kenati.com>
Cc: boku <boku0712@gmail.com>, alsa-devel@lists.sourceforge.net
Subject: Re: Fwd: memory allocate for substream->runtime->dma_area
Date: Thu, 16 Mar 2006 20:17:37 -0500 [thread overview]
Message-ID: <1142558258.9395.34.camel@mindpipe> (raw)
In-Reply-To: <441A06A4.7030100@kenati.com>
On Thu, 2006-03-16 at 16:45 -0800, Carlos Munoz wrote:
> Frame: From the macro bytes_to_frames() I gather that a frame is a
> sample. For example, if the sample size is 16 bits, the frame is also
> 16 bits. That means that for every 2 bytes sent, one frame is sent.
>
It's a sample for each channel. Your example is correct for mono only.
For standard CD format (stereo, 16 bits per sample) a frame is 4 bytes.
Lee
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next prev parent reply other threads:[~2006-03-17 1:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-15 3:42 memory allocate for substream->runtime->dma_area boku
2006-03-15 3:43 ` boku
2006-03-15 3:54 ` Lee Revell
[not found] ` <715d90900603142003jd1b1d00he8daf7331cc72237@mail.gmail.com>
[not found] ` <1142454177.1671.38.camel@mindpipe>
[not found] ` <715d90900603151909o6bb834efv401392e5239a0435@mail.gmail.com>
[not found] ` <715d90900603152107q30b76a85l4b428167d515ee8c@mail.gmail.com>
2006-03-16 5:21 ` Fwd: " boku
2006-03-17 0:45 ` Carlos Munoz
2006-03-17 1:17 ` Lee Revell [this message]
2006-03-17 3:26 ` boku
2006-03-20 14:54 ` Takashi Iwai
2006-03-15 10:09 ` Takashi Iwai
2006-03-16 12:51 ` boku
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