From mboxrd@z Thu Jan  1 00:00:00 1970
From: Giuliano Pochini <pochini@shiny.it>
Subject: Re: Click after draining
Date: Mon, 18 Oct 2004 17:34:02 +0200 (CEST)
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To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@lists.sourceforge.net
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On 18-Oct-2004 Takashi Iwai wrote:

>> > The period size is always same even for the last period, AFAIK.
>> 
>> Only if the driver explicitly asks for it by calling
>> snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS).
> 
> No, this means that buffer_size = N * period_size, where N is
> integer.  Without this constraint, N doesn't have to be an integer.


Yes, exactly. If N isn't integer, the buffer is formed by
bufsize\persize periods (== the integer part of N) plus one
short period which is bufsize%persize long.


--
Giuliano.


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