From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: Master Plan on rewinding Date: Thu, 11 Sep 2014 11:49:22 +0800 Message-ID: References: <540C76E0.9050808@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qg0-f44.google.com (mail-qg0-f44.google.com [209.85.192.44]) by alsa0.perex.cz (Postfix) with ESMTP id A7C6D265613 for ; Thu, 11 Sep 2014 05:49:23 +0200 (CEST) Received: by mail-qg0-f44.google.com with SMTP id f51so8130903qge.17 for ; Wed, 10 Sep 2014 20:49:22 -0700 (PDT) In-Reply-To: <540C76E0.9050808@gmail.com> 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: "Alexander E. Patrakov" Cc: Takashi Iwai , ALSA Development Mailing List , David Henningsson , Takashi Sakamoto List-Id: alsa-devel@alsa-project.org > > 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