From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: ALSA 1.0.25 broke AC3 passthrough? Date: Thu, 09 Feb 2012 20:09:26 -0800 Message-ID: <4F349876.6080109@nvidia.com> References: <4F30BABD.10504@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from hqemgate03.nvidia.com (hqemgate03.nvidia.com [216.228.121.140]) by alsa0.perex.cz (Postfix) with ESMTP id 1B9BC24332 for ; Fri, 10 Feb 2012 05:09:29 +0100 (CET) In-Reply-To: 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: Jean-Yves Avenard Cc: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org On 02/09/2012 03:01 AM, Jean-Yves Avenard wrote: > [Re-send to include distribution list] > > Hi > > On 7 February 2012 16:46, Stephen Warren wrote: > >> Are you able to regress this to a smaller window? I did do some rework a >> while back on the HDA driver to support newer GeForce GPUs' audio HW >> better, and this potentially had impact on bitstream pass-through, >> although it seemed to work at the time. Commits were: > > I'm not sure what you mean by regress to a smaller window. You'd mentioned that this problem was present in ALSA 1.0.25, but wasn't in some earlier release. Potentially a lot changed between those two releases. It'd be nice if you could try compiling a number of intermediate versions of the ALSA driver to try and more precisely locate the change that caused the issue. "git bisect" on the ALSA driver repository might be useful here. -- nvpublic