[mythtv-users] dtvsignal shows strong - but mythbackend can't
tuneHD3000
john roberts
homepagez at lycos.com
Fri Mar 4 20:07:01 UTC 2005
Anyone have any ideas on this?
I've built 4 other mythtv boxes with HD3000's cards and I've never seen this.
I'm using the 1.6 drivers from pcHDTV.
Any ideas? Or should I try the DVB drivers/etc?
-John
----- Original Message -----
From: "john roberts" <homepagez at lycos.com>
To: mythtv-users at mythtv.org
Subject: [mythtv-users] dtvsignal shows strong - but mythbackend can't tuneHD3000
Date: Thu, 03 Mar 2005 17:39:54 -0500
>
>
> Can someone help? I've got a buddy who is setting up his HD3000 card in his
> mythbackend. The backend doesn't seem to be able to tune correctly or
> something. Since the backend is unable to tune - LiveTV goes blank and then
> returns to the main screen.
>
> BTW - I'm also able to capture ATSC content using getatsc and then play it
> with mplayer without a problem.
>
>
> dtvsignal shows a strong signal:
>
> htpc mythgame # /usr/local/bin/pcHDTV/dtvsignal /dev/dtv0 39
> main: argc 3 argv[1] /dev/dtv0
> channel 39
> freq*16 = 9940
> main: ioctl 1 rtn 0
> main: ioctl 2 rtn 0
> dtvsignal ver 0.1 - by Jack Kelliher (c) 2002
> channel = 39 freq*16 = 9940
> 30db 0% 25% 50% 75% 100%
> Signal: | . : . | ._____:_____._____|
> Signal: 089 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
> htpc mythgame #
>
>
> But the backend - shows:
>
>
> htpc mythgame # mythbackend --verbose channel
> 2005-03-03 17:35:20.963 New DB connection, total: 1
> Starting up as the master server.
> 2005-03-03 17:35:20.972 New DB connection, total: 2
> 2005-03-03 17:35:20.976 Channel(/dev/dtv0):SetFormat(): Probed input: 0, name
> = Television
> 2005-03-03 17:35:20.976 Channel(/dev/dtv0):SetFormat(): Probed input: 1, name
> = Composite1
> 2005-03-03 17:35:20.976 Channel(/dev/dtv0):SetFormat(): Probed input: 2, name
> = S-Video
> 2005-03-03 17:35:20.977 Channel(/dev/dtv0)::SwitchToInput(in 0)
> 2005-03-03 17:35:20.977 Channel(/dev/dtv0)::SwitchToInput() setting video
> mode to ATSC
> 2005-03-03 17:35:20.978 Channel(/dev/dtv0)::SwitchToInput(in 0): Error -1
> while setting video mode (v2), "Invalid argument", trying v4l v1
> 2005-03-03 17:35:20.978 Channel(/dev/dtv0)::SwitchToInput() setting video
> mode to ATSC
> 2005-03-03 17:35:20.978 Channel(/dev/dtv0)::SwitchToInput(in 0): Setting
> video mode with v4l version 1 worked
> 2005-03-03 17:35:20.979 Channel(/dev/dtv0):SetFormat(): Probed input: 0, name
> = Television
> 2005-03-03 17:35:20.979 Channel(/dev/dtv0):SetFormat(): Probed input: 1, name
> = Composite1
> 2005-03-03 17:35:20.979 Channel(/dev/dtv0):SetFormat(): Probed input: 2, name
> = S-Video
> 2005-03-03 17:35:20.980 New DB connection, total: 3
> 2005-03-03 17:35:20.984 Channel(/dev/dtv0)::TuneTo(39-1):
> curList[38].freq(313250)
> 2005-03-03 17:35:20.984 Channel(/dev/dtv0)::TuneToFrequency(5012)
> 2005-03-03 17:35:20.988 Channel(/dev/dtv0)::CheckSignal(5000, 65, 0):
> usingv4l2(1)
> 2005-03-03 17:35:21.045 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:21.603 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:22.161 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:22.719 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:23.277 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:23.834 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:24.392 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:24.950 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:25.508 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:26.066 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:26.624 Channel(7)::signalStrengthATSC_v4l2(): signal
> strength: 22
> 2005-03-03 17:35:26.624 Channel(/dev/dtv0)::CheckSignal(): Maximum signal
> strength detected: 22% after 5500 msec wait
>
> Setup:
>
> - P4 HT 3.2G
> - Gentoo
> - 2.6.9 kernel
> - MythTV CVS from 3/3/05
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