From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Master Plan on rewinding
Date: Tue, 09 Sep 2014 15:45:35 +0200
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To: "Alexander E. Patrakov" <patrakov@gmail.com>, ALSA Development Mailing List <alsa-devel@alsa-project.org>, Takashi Iwai <tiwai@suse.de>, David Henningsson <david.henningsson@canonical.com>, Takashi Sakamoto <o-takashi@sakamocchi.jp>
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Alexander E. Patrakov wrote:
> can the proposed heuristic (minimum period size for a given sample
> rate, number of channels and sample format) be useful as an upper-
> bound approximation of the pointer update granularity for cards that
> are "rewindable even further than the nearest period"?

No; USB precsion depends on the URB size, which is roughly proportional
to (but smaller than) the period size.


Regards,
Clemens