On Tue, 2005-05-03 at 15:21 +0100, Terry Barnaby wrote: > Gareth Powell wrote: > > I'm trying to get MythTV up and running, and after a number of > > problems, I think I'm nearly there. > > > > I'm using MythTV 0.18+ out of CVS from about a week ago (although I'm > > happy to upgrade if it will help) on an i386 with basically FC2, but > > I've added all the prerequisite RPMs and I've got the 2.6.11+ kraxel1 > > patches. > > > > I'm using a Hauppauge Nova-T DVB-T card with the cx88-dvb module. > > xawtv displays video, but pops up a box saying "can't play audio > > stream". It's not clear if it can't tune it, or simply can't find the > > audio card. Since I didn't want to use xawtv, but mythtv, I just moved > > on. > > > > With MythTV, I can't scan channels. I've been able to set up the card, > > and it seems to recognize it. When I run mythtv-setup and attempt to > > automatically tune in the channels, it doesn't work. I get three bars > > telling me I have signal strength of 16% and SNR of 75%, which doesn't > > sound good, but as I say, it's enough for xawtv to tune in all the > > stations. > > > > I downloaded dvbsnoop which I'd seen referred to in a couple of other > > posts. After a long wait, I got output from it once, but lost it in > > that window. Since then, I can't get any output from it at all. I was > > running it as: > > > > # dvbsnoop -n 1 600 > > > > where 600 is the video pid of BBC ONE. > > > > For reference, I am tuning to Winter Hill, generally using the channel > > frequency 754166670. This works for xawtv and dvbtune. > > > > # dvbtune -f 754166670 gives this output: > > Using DVB card "Hauppauge Nova-T DVB-T" > > tuning DVB-T (in United Kingdom) to 754166670 Hz > > polling.... > > Getting frontend event > > FE_STATUS: > > polling.... > > Getting frontend event > > FE_STATUS: FE_HAS_SIGNAL > > polling.... > > Getting frontend event > > FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI > > FE_HAS_SYNC > > Bit error rate: 0 > > Signal strength: 10537 > > SNR: 65535 > > FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI > > FE_HAS_SYNC > > > > Any help appreciated ... <snip> > > Just a short note to say that I have had similar issues with > MythTv CVS 2005-04-22. I cannot offer a direct solution but > somehow I got around it (not sure how ...). > It may be I tuned manually using dvbscan (aborted when finding > PID's on appropriate frequency), then used mythth-setup to > scan the channels. It may be that the current version of MythTv > does not tune to the frequency you enter in the frequency box ... > <snip>
This should be on -users but anyway, Make sure you fill out as many of the parameters as possible in the scanner. So that would be (from memory) 754166670 , bandwidth 8 inversion off Constellation 16, lp 2/3 hp 3/4 , guard_interval 1/32, transmit 2 hierarchy none, It does work, cos I'm on the same transmitter.
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