From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:52236 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751782Ab2GIRqs (ORCPT ); Mon, 9 Jul 2012 13:46:48 -0400 Message-ID: <4FFB1900.6010306@iki.fi> Date: Mon, 09 Jul 2012 20:46:40 +0300 From: Antti Palosaari MIME-Version: 1.0 To: Marx CC: linux-media@vger.kernel.org Subject: Re: pctv452e References: <4FF4697C.8080602@nexusuk.org> <4FF46DC4.4070204@iki.fi> <4FF4911B.9090600@web.de> <4FF4931B.7000708@iki.fi> <4FF5A350.9070509@iki.fi> <4FF6B121.6010105@iki.fi> <9btic9-vd5.ln1@wuwek.kopernik.gliwice.pl> <835kc9-7p4.ln1@wuwek.kopernik.gliwice.pl> <4FF77C1B.50406@iki.fi> <4FF97DF8.4080208@iki.fi> <4FFA996D.9010206@iki.fi> <4FFB172A.2070009@iki.fi> In-Reply-To: <4FFB172A.2070009@iki.fi> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 07/09/2012 08:38 PM, Antti Palosaari wrote: > On 07/09/2012 07:44 PM, Marx wrote: >> W dniu 2012-07-09 10:42, Antti Palosaari pisze: >>> On 07/09/2012 09:24 AM, Marx wrote: >>>> On 08.07.2012 14:32, Antti Palosaari wrote: >>>>> I suspect you stopped szap ? >>>>> >>>>> You cannot use dvbdate or dvbtraffic, nor read data from dvr0 unless >>>>> frontend is tuned. Leave szap running backround and try again. >>>> >>>> That way it works, and I can save stream. Hovewer it's strange >>>> because I >>>> shouldn't have to constatly tune channel to watch it, and on previous >>>> cards it was enough to tune once and then use other commands. >>>> I base my knowledge on >>>> http://www.linuxtv.org/wiki/index.php/Testing_your_DVB_device >>>> There is nothing about constant tuning channel to use it. Am I missing >>>> something? >>> >>> given wiki-page says: >>> " >>> 4. After you've tuned a frequency and program >>> >>> a) You could now start up your simple TV watching application and decode >>> the stream you have tuned. >>> >>> For example, while keeping {a,c,s,t}zap running in the first console >>> shell, open up another console and run >>> " >>> >>> Behavior have been always same, at least for the DVB USB. >>> >>> So you don't have problems at all? >> >> ok, my fault >> problem still exists >> VDR doesn't play any channel, and while you asked me to abandon it, I >> saved some data using >> cat /dev/dvb/adapter0/dvr0 > /mnt/video/test3.ts >> while tuning in the background. >> >> Stream saved that way is unplayable (I play it using VLC for windows - >> it played almost all proper TS strems in the past I had). I've tried all >> software I have - to play this streams - no way. >> >> So >> - I can tune only 2/3 of channels >> - TS stream saves with errors >> - traditional tuner on the same (brand new) dish works ok >> - i've exchanged cables between the two >> >> is it possible that pctv device is less sensitive and the problem is >> with too weak signal? > > If VDR does not work at all, but other tools are working, it could be > compatibility issue between VDR and Kernel. > > # tune to channel: > szap -r "CHANNEL NAME" -r option is important here as it routes stream to /dev/dvb/adapter0/dvr0 > # dump channels from tuned multiplex (if you don't have that command > just skip): > scandvb -c Could be named as scan, dvbscan, scandvb.... > # save tuned channel to file (lets say 20 second): > cat /dev/dvb/adapter0/dvr0 > test.ts actually seems like ffmpeg could read directly dvr0 ffmpeg -i /dev/dvb/adapter0/dvr0 takes ~20 seconds or so until results are shown > # check if ffmpeg finds video and audio > ffmpeg -i test.ts > > and post result here Antti -- http://palosaari.fi/