Hey all,
I've upgraded this week from mythtv 0.16.1 which was very stable on my VIA EPIA/Eden box. Kernel is 2.4.21-0.26mdkcustom and I'm using a PVR350 in the UK (ie PAL).
Unfortunately, it's not been a smooth upgrade to 0.17! I found that playback was badly broken up in mythtv (<0.5fps with both audio and video artifacts), although mplayer playback was fine.
Googling the mail lists, forums and wikis seemed to suggest that upgrading the ivtv to Chris Kennedy's latest driver build (0.2.0-rc3g) might help. So, I did this, and it seems to have mostly fixed playback. It's sometimes slightly unresponsive to keystrokes, but playback basically runs smoothly.
However, I can't record *at all* through mythtv any more.
Running `dd if=/dev/video0 of=test.nuv bs=64` gives a perfect recording which I can playback through mplayer. Recording in mythtv or trying to watch live tv gives the same error sequence in the backend log, whichever recording profile I try:
2005-03-10 21:04:07.584 Changing from None to WatchingLiveTV
2005-03-10 21:04:07.681 Channel(/dev/video0)::SetColourAttribute(): failed to set controls, error: Invalid argument
2005-03-10 21:04:07.684 Channel(/dev/video0)::SetColourAttribute(): failed to set controls, error: Invalid argument
2005-03-10 21:04:07.687 Channel(/dev/video0)::SetColourAttribute(): failed to set controls, error: Invalid argument
2005-03-10 21:04:07.690 Channel(/dev/video0)::SetColourAttribute(): failed to set controls, error: Invalid argument
Error setting codec params
VIDIOC_S_CTRL:: Invalid argument
2005-03-10 21:04:07.812 TVRec: Recording Prematurely Stopped
dmesg output doesn't say anything's wrong; the only thing slightly out of ordinary seems to be several repeated 'saa7115: decoder set size' messages.
I've compiled mythtv with -march=pentium-mmx -m3dnow, and after I upgraded the ivtv to 0.2.0, I recompiled mythtv with the extra DEFINES += USING_IVTV_HEADER. I've checked the myth db and it's still set fine as an x50 decoder with MPEG2PS codecs (as previously worked on 0.16 over ivtv 0.1.9).
Have I missed a db update to the codecparams table? Can anyone suggest anything else I should try? Since it all works outside mythtv, I'm struggling to work out where to look next.
TTFN, Nick
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