On Mon, 2011-04-18 at 18:48 -0400, Eric B Munson wrote: > On Mon, 18 Apr 2011, Andy Walls wrote: > > > Eric B Munson <emunson@xxxxxxxxx> wrote: > > > > >On Mon, 11 Apr 2011, Eric B Munson wrote: > > > > > >> On Sun, 10 Apr 2011, Andy Walls wrote: > > >> > > >> > On Wed, 2011-04-06 at 13:28 -0400, Eric B Munson wrote: > > >> > > On Tue, Apr 5, 2011 at 10:58 AM, Andy Walls > > > > > >Is there anything else I can provide to help with this? > > > > Eric, > > > > 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). > > > > What rf analog source are you using? > > Sorry, very new to this, I am not sure what you are asking for here. I mean: analog cable, DTV Set Top Box (STB), VCR, etc. 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. > > Have you used v4l2-ctl to ensure the tuner is set to the right tv > standard (my changes default to NTSC-M)? > > emunson@grover:~$ v4l2-ctl -S > Video Standard = 0x0000b000 > NTSC-M/M-JP/M-KR > emunson@grover:~$ v4l2-ctl -s ntsc > Standard set to 0000b000 > emunson@grover:~$ v4l2-ctl -S > Video Standard = 0x0000b000 > NTSC-M/M-JP/M-KR > > 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. NTSC-M is the default. Having it set to autodetect the US, Japanese (-JP), or South Korean (-KR) variants is OK. 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. > > Have you used v4l2-ctl or ivtv-tune to tune to the proper tv channel > (the driver defaults to US channel 4)? > > 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) OK, that doesn't look good. The tda18271 tuner and/or tda8290 demod drivers may not be working right. I'll have to look into that later this week. BTW, Mike Krufky just submitted some patches that may be relevant: http://kernellabs.com/hg/~mkrufky/tda18271-fix > > > Does v4l2-ctl --log-status still show no signal present for the '843 core in the CX23418? > > Yeah, > [94465.349721] cx18-0 843: Video signal: not present The tuner or demod isn't tuning to a channel or getting a signal. Can you try channel 3 (61.250 MHz)? That one works for me. > > Does mplayer /dev/videoN -cache 8192 have a tv station when set to the rf analog input with v4l2-ctl? > > emunson@grover:~$ mplayer /dev/video0 -cache 8192 > MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team > > Playing /dev/video0. > Cache fill: 0.00% (0 bytes) > > > Exiting... (End of file) Hmmm. I would have expected at least a black picture with snow, if not tuned to a channel. Does analog S-Video or Composite work? Regards, Andy > > > > From what I recall the analog tuner init looked ok. > > -Andy > > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
