From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alexander E. Patrakov" Subject: Re: Master Plan on rewinding Date: Thu, 11 Sep 2014 11:28:18 +0600 Message-ID: <541132F2.6040201@gmail.com> References: <540C76E0.9050808@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-lb0-f173.google.com (mail-lb0-f173.google.com [209.85.217.173]) by alsa0.perex.cz (Postfix) with ESMTP id EA45B265619 for ; Thu, 11 Sep 2014 07:28:21 +0200 (CEST) Received: by mail-lb0-f173.google.com with SMTP id w7so7115758lbi.18 for ; Wed, 10 Sep 2014 22:28:21 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Raymond Yau Cc: Takashi Iwai , ALSA Development Mailing List , David Henningsson , Takashi Sakamoto List-Id: alsa-devel@alsa-project.org 11.09.2014 09:49, Raymond Yau wrote: > > > > > On my desktop PC, on snd-hda-intel with analog outputs for S16LE > stereo, the granularity is 32 bytes (= 8 samples), and I get the pointer > granularity of 64 bytes (=16 samples) over HDMI. The minimum period size > is 32 samples in both cases. > > Do you mean hda-Intel does not support arbritray period size when you > say the granularity is 32 bytes ? > > However the granularity of the emulated hda sound card inside any VM > depend on the vm and the backend audio system and sound card The precise meaning is defined here: http://mailman.alsa-project.org/pipermail/alsa-devel/2014-May/076475.html Of course the VM result would be different. -- Alexander E. Patrakov