[mythtv-users] Channel change on LiveTV

[Josu Lazkano]

Hello list, I always had lots of problem with LiveTV, I just fix the
VDPAU buffer problem and just have one problem on LiveTV.

The problem is that when I try to change a channel on LiveTV I get
this error: "Error opening jump program file buffer"

This is the backend log:

2011-05-04 21:22:32.490 TVRec(1): HW Tuner: 1->1
2011-05-04 21:22:32.524 DVBChan(1:/dev/dvb/adapter0/frontend0)
Warning: Unsupported modulation parameter.
2011-05-04 21:22:32.554 Finished recording : channel 31663
2011-05-04 21:22:32.563 LoadFromScheduler(): Error, called from backend.
2011-05-04 21:22:32.574 AutoExpire: CalcParams(): Max required Free
Space: 3.0 GB w/freq: 14 min
2011-05-04 21:22:32.601 Finished recording : channel 31663
2011-05-04 21:22:32.792 TVRec(1): RingBufferChanged()
2011-05-04 21:22:32.797 Finished recording : channel 31663
2011-05-04 21:22:33.219 MainServer::ANN Monitor
2011-05-04 21:22:33.220 adding: htpc as a client (events: 0)
2011-05-04 21:22:33.222 MainServer::ANN Monitor
2011-05-04 21:22:33.222 adding: htpc as a client (events: 1)
2011-05-04 21:22:35.757 TVRec(1): Changing from WatchingLiveTV to None
2011-05-04 21:22:35.866 Finished recording laSexta Deportes  : channel 31655
2011-05-04 21:22:35.922 MainServer::ANN Playback
2011-05-04 21:22:35.922 adding: htpc as a client (events: 0)
2011-05-04 21:22:35.948 TVRec(1): Changing from None to WatchingLiveTV
2011-05-04 21:22:35.963 TVRec(1): HW Tuner: 1->1
2011-05-04 21:22:37.230 LoadFromScheduler(): Error, called from backend.
2011-05-04 21:22:37.241 AutoExpire: CalcParams(): Max required Free
Space: 3.0 GB w/freq: 14 min
2011-05-04 21:22:37.276 DVBChan(1:/dev/dvb/adapter0/frontend0)
Warning: Unsupported modulation parameter.
2011-05-04 21:22:37.297 TVRec(1): Changing from WatchingLiveTV to None
2011-05-04 21:22:37.325 Finished recording : channel 31663
2011-05-04 21:22:39.851 DiSEqCDevTree, Error: FE_SET_TONE failed
			eno: Bad file descriptor (9)

And this is the frontend log:

2011-05-04 21:22:32.467 AO: Pause 1
2011-05-04 21:22:32.502 AO: OutputAudioLoop: audio paused
2011-05-04 21:22:34.993
RingBuf(/mnt/myth/livetv/31655_20110504212232.mpg) Error: OpenFile():
File too small (0B).
2011-05-04 21:22:34.993 Player(0), Error: JumpToProgram's OpenFile
failed (card type: DVB).
2011-05-04 21:22:34.994
LiveTVChain has 2 entries
     DVB: 31663 (21:21:19 to 21:22:32) discontinuous
*    DVB: 31655 (21:22:32 to 21:30:00) discontinuous

2011-05-04 21:22:34.994 Player(0), Error: Unknown recorder error,
exiting decoder
2011-05-04 21:22:35.092 msg: On known multiplex...
2011-05-04 21:22:35.096 TV: Attempting to change from WatchingLiveTV to None
2011-05-04 21:22:35.449 VDPAU Painter: Clearing VDPAU painter cache.
2011-05-04 21:22:35.569 MythPainter: 2 images not yet de-allocated.
2011-05-04 21:22:35.716 AO: Killing AudioOutputDSP
2011-05-04 21:22:35.752 AO: OutputAudioLoop: Stop Event
2011-05-04 21:22:35.752 AO: kickoffOutputAudioLoop exiting
2011-05-04 21:22:35.871 TV: Changing from WatchingLiveTV to None
2011-05-04 21:22:35.883 TV: Attempting to change from None to None
2011-05-04 21:22:35.919 TV: Attempting to change from None to WatchingLiveTV
2011-05-04 21:22:35.919 MythCoreContext: Connecting to backend server:
192.168.0.5:6543 (try 1 of 1)
2011-05-04 21:22:35.921 Using protocol version 63
2011-05-04 21:22:35.943 Spawning LiveTV Recorder -- begin
2011-05-04 21:22:37.272 Spawning LiveTV Recorder -- end
2011-05-04 21:22:37.287 We have a
playbackURL(/mnt/myth/livetv/31663_20110504212237.mpg) &
cardtype(DUMMY)
2011-05-04 21:22:37.288 We have a RingBuffer
2011-05-04 21:22:37.290 playCtx, Error: Attempting to setup a player,
but it already exists.
2011-05-04 21:22:37.290 TV Error: LiveTV not successfully started

If I try to change to same channel, I always have same problem, I must
change to an other channel (different transponder) and then change to
the channel.

I am using a DVB-S2 PCIe card. I know that LiveTV is not the MythTV
best feature but I use it lot.

Is possible to create a bug ticket with this? I never open a bug
ticket and I don't know how to document it. I will appreciate any
help.

Thanks and best regards.


-- 
Josu Lazkano