From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shane W Subject: Re: [Intel-gfx] Problems with HDMI audio on Intel DG45FC motherboard Date: Tue, 20 Oct 2009 15:43:53 -0700 Message-ID: <20091020224353.GA23186@csy.ca> References: <20091011214513.GB12771@hardeman.nu> <20091014015455.GI13364@zhen-devel.sh.intel.com> <20091014020044.GA10032@localhost> <20091014174053.GA31149@hardeman.nu> <20091020012600.GA6548@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from viper.wapvi.bc.ca (viper.wapvi.bc.ca [209.52.235.240]) by alsa0.perex.cz (Postfix) with ESMTP id E6E2F2455B for ; Sun, 25 Oct 2009 18:51:46 +0100 (CET) Content-Disposition: inline In-Reply-To: <20091020012600.GA6548@localhost> 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: Wu Fengguang Cc: alsa-user@lists.sourceforge.net, alsa-devel@alsa-project.org, david@hardeman.nu List-Id: alsa-devel@alsa-project.org Hey all, On Tue, Oct 20, 2009 at 09:26:00AM +0800, Wu Fengguang wrote: > It's <= 0.5 second silence from my experience. Correct. > HDMI codec/sink seem to take some time to response to the output > enable and new infoframe, so there are some delay. I've moved the HDMI > output enable command to module load time, this helps. The infoframe > is in theory created in run time based on the format of _each_ new > audio stream, so infoframe transmission has to be started/stopped > for each track.. I know this has come up before but can't we not start/stop the infoframe if the sample format on the new track is the same as the old. I mean playing an album, you're gonna get 44100, 2ch s16le 95% of the time so that would atleast cause the problem to appear much less. Shane