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Channel chaning in Myth (with DVB) causes grey junk screen
PostPosted: Thu Mar 10, 2005 9:04 pm Reply with quote
SpikeyGG
 
Joined: 08 Feb 2005
Posts: 29




Everyone,

I have MythTV working very well with the HD-3000. I can record stuff and watch stuff, audio seems very good, video looks excellent! The biggest issue I have now is that occasionally when I change channels (to one I know works) it will give me a grey screen that looks like it has some blotchy jpg compression junk on it. It's like it's trying to decode the picture but it doesn't know what it's doing. On the logs I see this:

Code:

----- FRONTEND Log, lots and lots of this-----
[mpeg2video @ 0xb7869050]slice mismatch
[mpeg2video @ 0xb7869050]ac-tex damaged at 10 30
[mpeg2video @ 0xb7869050]invalid mb type in P Frame at 7 33
[mpeg2video @ 0xb7869050]slice mismatch
[mpeg2video @ 0xb7869050]invalid cbp at 43 38
[mpeg2video @ 0xb7869050]ac-tex damaged at 17 43
[mpeg2video @ 0xb7869050]mb incr damaged
[mpeg2video @ 0xb7869050]mb incr damaged
[mpeg2video @ 0xb7869050]ac-tex damaged at 1 5
[mpeg2video @ 0xb7869050]ac-tex damaged at 24 8
[mpeg2video @ 0xb7869050]ac-tex damaged at 0 9
[mpeg2video @ 0xb7869050]ac-tex damaged at 30 13
[mpeg2video @ 0xb7869050]ac-tex damaged at 29 14
[mpeg2video @ 0xb7869050]ac-tex damaged at 4 16
[mpeg2video @ 0xb7869050]invalid mb type in P Frame at 49 18
[mpeg2video @ 0xb7869050]mb incr damaged
[mpeg2video @ 0xb7869050]ac-tex damaged at 3 21


Code:

----- BACKEND Log, lots and lots of this-----
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 52
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.157 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.158 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.158 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.158 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.158 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.166 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49
2005-03-10 20:47:00.167 DVB#0 WARNING - Transport Stream Continuity Error. PID = 49


Anyway, it seems like there's something getting out of sync or something. The weird thing is that I know the channel is good because I can kill the backend and restart it and go right back to the "broken" channel. Once this happens I have to kill the backend because any time I try to watch live TV it gives me the weird grey crap screen. Has anyone seen this or know how to fix it?

Thanks,
-Greg
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PostPosted: Sat Apr 09, 2005 7:09 pm Reply with quote
captaindrewle
Guest
 




Yes, I have this same problem. It happens when I attempt to channel surf. After about 5 or 6 channel changes, I get garbled video and no audio.. haven't found a solution other than killing mythbackend and restarting. Sad
PostPosted: Wed May 11, 2005 6:04 pm Reply with quote
maddhaggis
Guest
 




I also have this problem. Not sure what I means though.
PostPosted: Thu May 12, 2005 11:00 am Reply with quote
Guest
 




very interesting...
Channel chaning in Myth (with DVB) causes grey junk screen
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