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From: Clemens Ladisch <clemens@ladisch.de>
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>
Subject: Re: Master Plan on rewinding
Date: Tue, 09 Sep 2014 15:45:35 +0200	[thread overview]
Message-ID: <540F047F.7090607@ladisch.de> (raw)
In-Reply-To: <540EC08E.4000906@gmail.com>

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

  parent reply	other threads:[~2014-09-09 13:45 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-07 15:16 Master Plan on rewinding Alexander E. Patrakov
2014-09-07 18:38 ` Tanu Kaskinen
2014-09-07 19:05   ` Alexander E. Patrakov
2014-09-07 20:51 ` Clemens Ladisch
2014-09-08  3:06   ` Raymond Yau
2014-09-08  7:31   ` Alexander E. Patrakov
2014-09-09  8:43     ` Clemens Ladisch
2014-09-09  8:55       ` Alexander E. Patrakov
2014-09-09  9:08         ` David Henningsson
2014-09-09  9:31           ` Alexander E. Patrakov
2014-09-21  2:02             ` Raymond Yau
2014-09-22 13:20               ` Lars-Peter Clausen
2014-09-22 13:36                 ` Alexander E. Patrakov
2014-09-22 13:44                   ` Lars-Peter Clausen
2014-09-23  8:29                   ` Raymond Yau
2014-09-23 10:22                     ` Alexander E. Patrakov
2014-09-09 13:45         ` Clemens Ladisch [this message]
2014-09-09 15:55           ` Alexander E. Patrakov
2014-09-09 16:09             ` Takashi Iwai
2014-09-07 23:12 ` David Henningsson
2014-09-09 19:56   ` Pierre-Louis Bossart
2014-09-10  5:38     ` Alexander E. Patrakov
2014-09-08  7:34 ` Lars-Peter Clausen
2014-09-08  7:59 ` David Henningsson
2014-09-08  8:46   ` Alexander E. Patrakov
2014-09-08  9:26     ` David Henningsson
2014-09-08 10:21       ` Alexander E. Patrakov
2014-09-09  8:43         ` Clemens Ladisch
2014-09-11  3:49 ` Raymond Yau
2014-09-11  4:19   ` A. C. Censi
2014-09-13  9:15     ` Raymond Yau
2014-09-11  5:28   ` Alexander E. Patrakov
2014-09-11  6:21     ` Raymond Yau
2014-09-13  8:57     ` Raymond Yau
2014-09-13 10:43       ` Alexander E. Patrakov
2014-09-13 11:33         ` Raymond Yau
2014-09-13 11:36           ` Alexander E. Patrakov
2014-09-13 18:35 ` Alexander E. Patrakov
2014-09-14 11:37   ` Raymond Yau
2014-09-14 12:07     ` Alexander E. Patrakov
2014-09-15  2:43       ` Raymond Yau
2014-09-15  9:19       ` Takashi Iwai
2014-09-15  9:58         ` Alexander E. Patrakov
2014-09-15 10:08           ` Takashi Iwai
2014-09-15 17:01             ` Pierre-Louis Bossart
2014-09-15 17:14               ` Alexander E. Patrakov
2014-09-15 18:08                 ` Takashi Iwai
2014-09-18  1:15                   ` Raymond Yau
2014-09-21  9:22                     ` Alexander E. Patrakov
2014-09-21  9:53                     ` Clemens Ladisch
2014-09-21 10:56                       ` Alexander E. Patrakov
2014-09-22  3:27                       ` Raymond Yau

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