From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Schou Subject: Re: PROBLEM: SIS7019 stops recording after 42 min Date: Mon, 21 Jun 2010 22:10:20 +0200 Message-ID: References: <1276972298.22889.16.camel@obelisk.thedillows.org> <1277043970.22889.45.camel@obelisk.thedillows.org> <1277129180.22889.64.camel@obelisk.thedillows.org> Reply-To: linux@schou.dk Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail-ww0-f51.google.com (mail-ww0-f51.google.com [74.125.82.51]) by alsa0.perex.cz (Postfix) with ESMTP id E79AB2444F for ; Mon, 21 Jun 2010 22:10:41 +0200 (CEST) Received: by wwb13 with SMTP id 13so514017wwb.38 for ; Mon, 21 Jun 2010 13:10:40 -0700 (PDT) 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: David Dillow Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org 2010/6/21 Hans Schou : > I have just started: > =A0arecord -B 1000000 -F 500000 -c 1 -r 44100 -f S16 -M -D hw:0,0 -v arec= .wav It gave a file size of 258822944 bytes. Almost 50 min: echo "258822944/(2*60*44100)" | bc -ql 48.90 This is the longest recording I have made on this hardware. I have this running now: + arecord -B 200000 -F 100000 -c 1 -r 44100 -f S16 -M -D hw:0,0 -v arec.wav Recording WAVE 'arec.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono Hardware PCM card 0 'SiS7019' device 0 subdevice 0 Its setup is: stream : CAPTURE access : MMAP_INTERLEAVED format : S16_LE subformat : STD channels : 1 rate : 44100 exact rate : 44100 (44100/1) msbits : 16 buffer_size : 8820 period_size : 4410 period_time : 100000 tick_time : 0 tstamp_mode : NONE period_step : 1 sleep_min : 0 avail_min : 4410 xfer_align : 4410 start_threshold : 1 stop_threshold : 8820 silence_threshold: 0 silence_size : 0 boundary : 1244678400 and no overrun within 2 min. /hans