From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aggarwal, Anuj" Subject: Re: Capture not working in MMAP mode with '-v' Date: Mon, 9 Nov 2009 13:26:32 +0530 Message-ID: <5A47E75E594F054BAF48C5E4FC4B92AB030A705212@dbde02.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by alsa0.perex.cz (Postfix) with ESMTP id D7E361038F2 for ; Mon, 9 Nov 2009 08:56:37 +0100 (CET) Received: from dbdp20.itg.ti.com ([172.24.170.38]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id nA97uXPS028481 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 9 Nov 2009 01:56:35 -0600 Received: from dbde71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id nA97uXRD005772 for ; Mon, 9 Nov 2009 13:26:33 +0530 (IST) Content-Language: en-US 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 > -----Original Message----- > From: Aggarwal, Anuj > Sent: Thursday, September 24, 2009 2:28 PM > To: alsa-devel@alsa-project.org > Subject: Capture not working in MMAP mode with '-v' > > Hi, > > When I try to capture audio in MMAP mode using the following > command, it works properly: > > arecord -f cd -d 10 -M rec01.wav > > However, if I specify '-v' along with the above command, it fails to > capture anything and prints log and returns immediately: > > Recording WAVE 'rec03.wav' : Signed 16 bit Little Endian, > Rate 44100 Hz, Stereo > Plug PCM: Hardware PCM card 0 'omap3evm' device 0 subdevice 0 > Its setup is: > stream : CAPTURE > access : MMAP_INTERLEAVED > format : S16_LE > subformat : STD > channels : 2 > rate : 44100 > exact rate : 44100 (44100/1) > msbits : 16 > buffer_size : 22052 > period_size : 5513 > period_time : 125011 > tstamp_mode : NONE > period_step : 1 > avail_min : 5513 > period_event : 0 > start_threshold : 1 > stop_threshold : 22052 > silence_threshold: 0 > silence_size : 0 > boundary : 1445199872 > appl_ptr : 0 > hw_ptr : 0 > mmap_area[0] = 0x4030e000,0,32 (16) > mmap_area[1] = 0x4030e000,16,32 (16) > > I have not observed this problem while playing audio, only > while capture this issue crops up. > > Any pointers? Any updates on this? We have observed similar problem on other platforms as well. > > Thanks & Regards, > Anuj Aggarwal >