[mythtv-users] Video distortion/fracturing at top quarter of screen

Alan Anderson andersonas at adelphia.net
Fri Dec 16 17:29:23 EST 2005


I tried ivtv v0.4.0 and v0.4.1 both have the distortion under mplayer.

This morning I dropped back to ivtv V0.3.8 and the firmware from the atrpms 

md5sum /lib/modules/HcwMakoA.ROM /lib/modules/ivtv-fw-enc.bin
aa4d1e3dd17667957d8fe5b8d2d19395  /lib/modules/HcwMakoA.ROM
6e2012d919fa48811c27e25e54a0a5dc  /lib/modules/ivtv-fw-enc.bin

So far no distortion, and its been running all day.  And the picture is much 
better then 0.4.1, which had a ghost image off to the right.  Maybe it could 
be adjusted, I did not try since the distortion was still present.

I do not know if this helped the sound failure issue it is much more 
intermittant.  It will be several weeks till I am sure that issue is gone or 

With the latest ivtv-fw-enc.bin firmware file with a md5sum of:

All three ivtv version I tried would lock up the pvr150 v0.3.8,  v0.4.0 and 
v0.4.1.  But only under mythtv, mplayer had no problems at all.  A reload of 
the older firmware un-locked the pvr-150 so mplayer or mythtv was happy once 
more.  I do not have a clue why mthtv would have this issue  with only a 
firmware change.   Mythtv mythtv-frontend-0.18.1-115.rhfc4.at
V0.4.1 and 0.4.0 had a distortion issue under mplayer no matter what firmware 
file I tried.

The pvr-150 is on a SBE so it took me a while to figure out the distortion was 
only on the SBE recordings and even longer to get it through my head that it 
was not just a bad cable or noise. 

The intermittant garbled sound was the sampling rate set too low  32000 not 

Alan Anderson
andersonas at adelphia.net

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