From mboxrd@z Thu Jan 1 00:00:00 1970 From: stan Subject: Re: Hidden rate conversion, and Alsa configuration Date: Fri, 27 Jul 2007 10:53:16 -0700 Message-ID: <20070727105316.694a73cd@localhost.localdomain> References: <200707161340.23503.gineera@aspect135.co.uk> <20070719142440.GA2467@localhost> <200707201333.38449.gineera@aspect135.co.uk> <200707271720.41278.gineera@aspect135.co.uk> <75b66ecd0707270859q33f02d05la5160f3443dc9cc1@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from fed1rmmtao101.cox.net (fed1rmmtao101.cox.net [68.230.241.45]) by alsa0.perex.cz (Postfix) with ESMTP id 38AA6103817 for ; Fri, 27 Jul 2007 19:53:18 +0200 (CEST) Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao101.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20070727175316.CVKP1349.fed1rmmtao101.cox.net@fed1rmimpo01.cox.net> for ; Fri, 27 Jul 2007 13:53:16 -0400 In-Reply-To: <75b66ecd0707270859q33f02d05la5160f3443dc9cc1@mail.gmail.com> 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-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Fri, 27 Jul 2007 11:59:53 -0400 "Lee Revell" wrote: > On 7/27/07, Alan Horstmann wrote: > > Could you give pointers as to how to modify Alsa configuration so > > that rate conversion can never happen, as I would prefer to have an > > error accessing the sound card rather than unknown conversion, > > which in my use should never be neccesary anyway. > > Simply open the hw device rather than the default, dmix, or plughw > device. > > Lee When I use the following call with device_to_use == "plughw:0,0" it works just fine. When I try to use device_to_use == "hw:0,0" it gives a segmentation fault. Is there a special initialization needed to use the hw plug? err = snd_pcm_open (&alsa_dev, device_to_use, SND_PCM_STREAM_PLAYBACK, 0); Thank you for any clarification.