Tvheadend

I am trying to tune clear QAM from digital cable using an Avermedia A180 PCI card. The recordings have periodic video pixelation the audio drops out. The same machine and tuner card work fine with mythtv. I have included the log output below. Please help. Thanks.

[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: AC3 #3922: Continuity counter error, 1330 duplicate log lines suppressed
[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: Transport error indicator, 21818 duplicate log lines suppressed
[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: MPEG2VIDEO #3921: Continuity counter error, 5207 duplicate log lines suppressed
[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: AC3 #3922: Continuity counter error, 1339 duplicate log lines suppressed
[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: Transport error indicator, 21914 duplicate log lines suppressed
[WARNING]:TS: Nextwave NXT200X VSB/QAM frontend/771,000 kHz: MPEG2VIDEO #3921: Continuity counter error, 5234 duplicate log lines suppressed