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 > ><awalls@xxxxxxxxxxxxxxxx> wrote: > >> > > > On Mon, 2011-04-04 at 14:36 -0400, Eric B Munson wrote: > >> > > >> On Mon, Apr 4, 2011 at 11:16 AM, Eric B Munson > ><emunson@xxxxxxxxx> wrote: > >> > > >> > On Mon, Apr 4, 2011 at 9:12 AM, Andy Walls > ><awalls@xxxxxxxxxxxxxxxx> wrote: > >> > > >> >> On Mon, 2011-04-04 at 08:20 -0400, Eric B Munson wrote: > >> > > >> >>> I the above mentioned capture card and the digital side of > >the card > >> > > >> >>> works well. However, when I try to get video from the > >analog side of > >> > > >> >>> the card, all I get is a red screen and no sound > >regardless of channel > >> > > >> >>> requested. This is a problem I see in 2.6.39-rc1 though I > >typically > >> > > >> >>> run the ubuntu 10.10 kernel with the newest drivers built > >from source. > >> > > >> >>> Is there something in setup or configuration that I may > >be missing? > >> > > >> >> > >> > > >> >> Eric, > >> > > >> >> > >> > > >> >> You are likely missing the last 3 fixes here: > >> > > >> >> > >> > > >> >> > >http://git.linuxtv.org/awalls/media_tree.git?a=shortlog;h=refs/heads/cx18_39 > >> > > >> >> > >> > > >> >> (one of which is critical for analog to work). > >> > > >> >> > >> > > >> >> Also check the ivtv-users and ivtv-devel list for past > >discussions on > >> > > >> >> the "red screen" showing up for known well supported models > >and what to > >> > > >> >> try. > >> > > >> >> > >> > > >> > Thanks, I will try hand applying these. > >> > > >> > > >> > > >> > >> > > >> I don't have a red screen anymore, now all get from analog > >static and > >> > > >> mythtv's digital channel scanner now seems broken. > >> > > > > >> > > > Hmmm. > >> > > > > >> > > > 1. Please provide the output of dmesg when the cx18 driver > >loads. > >> > > > >> > >> [332935.115343] cx18: Start initialization, version 1.4.1 > >> [332935.115385] cx18-0: Initializing card 0 > >> [332935.115389] cx18-0: Autodetected Hauppauge card > >> [332935.115449] cx18 0000:04:01.0: PCI INT A -> GSI 16 (level, low) > >-> IRQ 16 > >> [332935.127005] cx18-0: cx23418 revision 01010000 (B) > >> [332935.342426] tveeprom 0-0050: Hauppauge model 74351, rev F1F5, > >serial# 7384278 > >> [332935.342432] tveeprom 0-0050: MAC address is 00:0d:fe:70:ac:d6 > >> [332935.342437] tveeprom 0-0050: tuner model is NXP 18271C2 (idx 155, > >type 54) > >> [332935.342443] tveeprom 0-0050: TV standards PAL(B/G) NTSC(M) PAL(I) > >SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc) > >> [332935.342448] tveeprom 0-0050: audio processor is CX23418 (idx 38) > >> [332935.342453] tveeprom 0-0050: decoder processor is CX23418 (idx > >31) > >> [332935.342457] tveeprom 0-0050: has no radio > >> [332935.342460] cx18-0: Autodetected Hauppauge HVR-1600 > >> [332935.392016] cx18-0: Simultaneous Digital and Analog TV capture > >supported > >> [332935.497007] tuner 1-0042: Tuner -1 found with type(s) Radio TV. > >> [332935.501259] cs5345 0-004c: chip found @ 0x98 (cx18 i2c driver > >#0-0) > >> [332935.548567] tda829x 1-0042: setting tuner address to 60 > >> [332935.572554] tda18271 1-0060: creating new instance > >> [332935.612568] TDA18271HD/C2 detected @ 1-0060 > >> [332936.676587] tda18271: performing RF tracking filter calibration > >> [332950.816567] tda18271: RF tracking filter calibration complete > >> [332950.864571] tda829x 1-0042: type set to tda8295+18271 > >> [332951.569137] cx18-0: Registered device video0 for encoder MPEG (64 > >x 32.00 kB) > >> [332951.569143] DVB: registering new adapter (cx18) > >> [332951.672187] tda18271 0-0060: creating new instance > >> [332951.678691] TDA18271HD/C2 detected @ 0-0060 > >> [332951.737797] cx18-0: loaded v4l-cx23418-cpu.fw firmware (158332 > >bytes) > >> [332951.876157] cx18-0: loaded v4l-cx23418-apu.fw firmware V00120000 > >(141200 bytes) > >> [332951.882195] cx18-0: FW version: 0.0.74.0 (Release 2007/03/12) > >> [332951.984040] DVB: registering adapter 0 frontend 0 (Samsung > >S5H1411 QAM/8VSB Frontend)... > >> [332951.984208] cx18-0: DVB Frontend registered > >> [332951.984214] cx18-0: Registered DVB adapter0 for TS (32 x 32.00 > >kB) > >> [332951.984268] cx18-0: Registered device video32 for encoder YUV (20 > >x 101.25 kB) > >> [332951.984320] cx18-0: Registered device vbi0 for encoder VBI (20 x > >51984 bytes) > >> [332951.984367] cx18-0: Registered device video24 for encoder PCM > >audio (256 x 4.00 kB) > >> [332951.984372] cx18-0: Initialized card: Hauppauge HVR-1600 > >> [332951.984415] cx18: End initialization > >> [332951.994916] cx18-alsa: module loading... > >> [332952.733994] cx18-0 843: loaded v4l-cx23418-dig.fw firmware (16382 > >bytes) > >> [332952.753703] cx18-0 843: verified load of v4l-cx23418-dig.fw > >firmware (16382 bytes) > >> > >> > > > 3. Please provide the relevant portion of the mythbackend log > >where > >> > > > where the digital scanner starts and then fails. > >> > > > >> > > So the Digital scanner doesn't fail per se, it just doesn't pick > >up > >> > > most of the digital channels available. The same is true of > >scan, it > >> > > seems to find only 1 channel when I know that I have access to > >18. > >> > > >> > Make sure it's not a signal integrity problem: > >> > > >> > http://ivtvdriver.org/index.php/Howto:Improve_signal_quality > >> > > >> > wild speculation: If the analog tuner driver init failed, maybe > >that is > >> > having some bad EMI efect on the digital tuner > >> > > >> > I'm assumiong you got more than the 1 channel before trying to > >enable > >> > analog tuning.A > >> > >> That is true, when I was running the backported drivers on the Ubuntu > >10.10 > >> kernel I was able to see 16 of the 18 available to me. > >> > >> > > >> > > > > >> > > > 4. Does digital tuning still work in MythTV despite the digital > >scanner > >> > > > not working? > >> > > > >> > > Using the command line tools you linked I am able to tune to the > >> > > channel that is found and watch it via mplayer. > >> > > >> > Can you tune to other known digital channels? > >> > >> I will have to see if I can set one up by hand and try it. I will > >get back to > >> you when I am able to do this (should be later today). > >> > >> > > >> > > Let me know if you need anything else. > >> > > >> > Are you tuning digital cable (North American QAM) or digital Over > >The > >> > Air (ATSC)? > >> > >> I am using digital cable (NA QAM). > >> > > > >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. > 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. > 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) > 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 > 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) > > From what I recall the analog tuner init looked ok. > -Andy >
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