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. > > 2. Please provide the output of v4l2-ctl -d /dev/video0 --log status > when tuned to an analog channel. > > 3. Please provide the relevant portion of the mythbackend log where > where the digital scanner starts and then fails. > > 4. Does digital tuning still work in MythTV despite the digital scanner > not working? > > 5. Please don't use MythTV to troubleshoot; it is too complex to > properly eliminate variables. Test digital with the dvb utilities > described here: > > http://www.linuxtv.org/wiki/index.php/LinuxTV_dvb-apps > http://www.linuxtv.org/wiki/index.php/Testing_your_DVB_device > > Once I have a channels.conf file made, I usually use azap (ATSC) and > femon to check that I can tune to a digital channel and get a lock. > Then I use mplayer to check that the content is viewable. > > > The things that spring to mind that could be wrong: > > 1. I didn't check that digital still worked when I added my analog > changes. Shame on me, but honestly they *shouldn't* have broken it. > (Famous last words...) > > 2. The tda8290 driver module for the new analog demodulator had an I2C > address bug introduced recently (hardcoded to the wrong address in > tda8290 module), but a fix was also applied recently. You may have the > bug, but not the fix. > > 3. The new HVR-1600 has a worldwide analog tuner that the cx18 driver > defaults to NTSC-M. If you use another analog standard, you will need > to use v4l2-ctl to set the proper standard (PAL-B/G/H/I, SECAM-L/L', > etc.) > > > (Be advised, I have no time to look at any of this at the moment. The > soonest would be 11 April.) > > Regards, > Andy > No worries on the April 11 date, hard to get upset over the scheduling of free help :) I will fetch everything that you requested and make sure to post it before the 11th. Thanks for your help. Eric -- 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
