From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: pcm_rate API  question
Date: Fri, 27 Sep 2013 14:38:23 +0200
Message-ID: <52457C3F.5090003@ladisch.de>
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To: Rob Sykes <aquegg@yahoo.co.uk>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
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Rob Sykes wrote:
>         void (*convert_s16)(void *obj, int16_t *dst, unsigned int dst_frames,
>                             const int16_t *src, unsigned int src_frames);
>
> is the plugin obliged always to consume src_frames and generate dst_frames samples?

Yes.  src_frames and dst_frames are the period sizes of the respective
devices; their values will never change, and they define the actual
conversion ratio.


Regards,
Clemens