From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-vw0-f46.google.com ([209.85.212.46]:34885 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753361Ab1DSRU3 (ORCPT ); Tue, 19 Apr 2011 13:20:29 -0400 Received: by vws1 with SMTP id 1so4414114vws.19 for ; Tue, 19 Apr 2011 10:20:28 -0700 (PDT) Date: Tue, 19 Apr 2011 13:12:20 -0400 From: Eric B Munson To: Andy Walls Cc: Michael Krufky , Mauro Carvalho Chehab , mchehab@infradead.org, linux-media@vger.kernel.org Subject: Re: HVR-1600 (model 74351 rev F1F5) analog Red Screen Message-ID: <20110419171220.GA4883@mgebm.net> References: <1302015521.4529.17.camel@morgan.silverblock.net> <1302481535.2282.61.camel@localhost> <20110411163239.GA4324@mgebm.net> <20110418141514.GA4611@mgebm.net> <20110418224855.GB4611@mgebm.net> <1303215523.2274.27.camel@localhost> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="h31gzZEtNLTqOjlF" Content-Disposition: inline In-Reply-To: <1303215523.2274.27.camel@localhost> List-ID: Sender: --h31gzZEtNLTqOjlF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, 19 Apr 2011, Andy Walls wrote: > On Mon, 2011-04-18 at 18:48 -0400, Eric B Munson wrote: > > On Mon, 18 Apr 2011, Andy Walls wrote: > >=20 > > > Eric B Munson wrote: > > >=20 > > > >On Mon, 11 Apr 2011, Eric B Munson wrote: > > > > > > > >> On Sun, 10 Apr 2011, Andy Walls wrote: > > > >>=20 > > > >> > On Wed, 2011-04-06 at 13:28 -0400, Eric B Munson wrote: > > > >> > > On Tue, Apr 5, 2011 at 10:58 AM, Andy Walls >=20 > > > > > > > >Is there anything else I can provide to help with this? > > >=20 > > > Eric, > > >=20 > > > Sorry for not getting back sooner (I've been dealing with a personal > > situation and haven't logged into my dev system for a few weeks). > > >=20 > > > What rf analog source are you using? > >=20 > > Sorry, very new to this, I am not sure what you are asking for here. >=20 > I mean: analog cable, DTV Set Top Box (STB), VCR, etc. >=20 > I have only tested the driver on analog US Broadcast Channel 3, since I > only have a DTV STB as an RF analog TV source. I am using analog cable. Cable here is about 25% digital and 75% analog. >=20 >=20 >=20 > > > Have you used v4l2-ctl to ensure the tuner is set to the right tv > > standard (my changes default to NTSC-M)? > >=20 > > emunson@grover:~$ v4l2-ctl -S > > Video Standard =3D 0x0000b000 > > NTSC-M/M-JP/M-KR > > emunson@grover:~$ v4l2-ctl -s ntsc > > Standard set to 0000b000 > > emunson@grover:~$ v4l2-ctl -S > > Video Standard =3D 0x0000b000 > > NTSC-M/M-JP/M-KR > >=20 > > What should the default be? NTSC-443? When I set to NTSC-443 I see > > the same behaviour as below when I try and change channels. >=20 > NTSC-M is the default. Having it set to autodetect the US, Japanese > (-JP), or South Korean (-KR) variants is OK. >=20 > Never use NTSC-443 as you likely will never encounter it in your life. > NTSC-443 is never broadcast over the air or cable. It is a weird > combination of NTSC video usings a PAL color subcarrier frequency. >=20 >=20 >=20 >=20 > > > Have you used v4l2-ctl or ivtv-tune to tune to the proper tv channel > > (the driver defaults to US channel 4)? > >=20 > > emunson@grover:~$ v4l2-ctl -F > > Frequency: 0 (0.000000 MHz) > > emunson@grover:~$ v4l2-ctl -f 259.250 > > Frequency set to 4148 (259.250000 MHz) > > emunson@grover:~$ v4l2-ctl -F > > Frequency: 0 (0.000000 MHz) >=20 > OK, that doesn't look good. The tda18271 tuner and/or tda8290 demod > drivers may not be working right. >=20 > I'll have to look into that later this week. >=20 > BTW, Mike Krufky just submitted some patches that may be relevant: >=20 > http://kernellabs.com/hg/~mkrufky/tda18271-fix >=20 I have applied these patches and I am still seeing the same problem (freque= ncy still report 0 after being set) and mplayer still closes immediately. >=20 > >=20 > > > Does v4l2-ctl --log-status still show no signal present for the '843 = core in the CX23418? > >=20 > > Yeah, > > [94465.349721] cx18-0 843: Video signal: not present >=20 > The tuner or demod isn't tuning to a channel or getting a signal. >=20 > Can you try channel 3 (61.250 MHz)? That one works for me. Still shows not present on channel 3. >=20 >=20 > > > Does mplayer /dev/videoN -cache 8192 have a tv station when set to th= e rf analog input with v4l2-ctl? > >=20 > > emunson@grover:~$ mplayer /dev/video0 -cache 8192 > > MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team > >=20 > > Playing /dev/video0. > > Cache fill: 0.00% (0 bytes) > >=20 > >=20 > > Exiting... (End of file) >=20 > Hmmm. I would have expected at least a black picture with snow, if not > tuned to a channel. >=20 > Does analog S-Video or Composite work? Unfortunately, I do not have anything I can use to test these. The card on= ly takes coaxial or S-Video input and I don't have any sort of S-Video cables = or converters. 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