From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: [RFC 0/4] FIFO caused playback delay (latency) handling in soc Date: Fri, 5 Mar 2010 09:19:00 +0800 Message-ID: <4f3252891003041719h3c492e5mbde9f1c0a5a11705@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pv0-f179.google.com (mail-pv0-f179.google.com [74.125.83.179]) by alsa0.perex.cz (Postfix) with ESMTP id 3B0AB103822 for ; Fri, 5 Mar 2010 02:19:02 +0100 (CET) Received: by pvg16 with SMTP id 16so905661pvg.38 for ; Thu, 04 Mar 2010 17:19:00 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org >> Do soc support snd_pcm_rewind() and snd_pcm_forward ? >>No driver demand yet, though it'd be trivially implemented if anyone >>wanted to do it. if size of fifo is around 1x ~ 3x fames How accucate do those media player need to allow A/V lip sync , Video is about 24 ~ 30 frames per seconds and audio is 48000Hz ?