From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Event Based time synchronization with ALSA Date: Tue, 18 Jan 2005 10:40:11 +0100 Message-ID: References: <41EB9874.4060407@hypersonic.it> <41EBEB8F.9030009@gardena.net> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Jaroslav Kysela Cc: Benno Senoner , Paolo Losi , alsa-devel@lists.sf.net List-Id: alsa-devel@alsa-project.org At Mon, 17 Jan 2005 20:46:17 +0100 (CET), Jaroslav wrote: > > On Mon, 17 Jan 2005, Benno Senoner wrote: > > > 10msec = 441 samples, thus I'd choose 512 samples (alsa period sizes > > must be power of 2). > > It's not true. You may use any size which hardware / end plugin supports, > but it's true that many drivers don't allow other period sizes that > power of 2. AFAIK, power-of-2 restriction is rare in the ALSA driver level. But, the restriction is required for OSS emulation, so it's safer if you consider the portability. Takashi ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt