[mythtv-users] Problems switching between ATSC and NTSC inputs on K-World ATSC-110 Card

Ryan Pangrle ryan at severeboredom.com
Mon Jan 22 13:31:14 UTC 2007


I'm running an SVN build of MythTV on x86-64 Ubuntu Edgy with two K-World
ATSC-110 cards.

I'm using QAM-256 digital cable for my HD input, and whenever I switch from
the ATSC to the NTSC tuner it shows a picture for a second or two, then goes
black and usually (but not always) pumps static through the audio.

If I switch to another channel and then switch back it works fine, however I
occasionally (whenever the tuner was on a QAM channel immediately before)
run into this when recording programs.

This shows up in the mythbackend.log file after a switch:

[mpeg2video @ 0x2b21a8e9c8b0]ac-tex damaged at 3 15
[mpeg2video @ 0x2b21a8e9c8b0]ac-tex damaged at 3 16
[mpeg2video @ 0x2b21a8e9c8b0]ac-tex damaged at 18 17
[mpeg2video @ 0x2b21a8e9c8b0]00 motion_type at 2 18
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
[mpeg2video @ 0x2b21a8e9c8b0]mb incr damaged
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