If you use the PVR-350 X frame buffer driver it works OK as a video card but you don't get the benefits of the builtin mpeg decoder for video playback. The fact that it plays back TV at all is a tribute to what a good job the ivtvfb folks did.
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| PVR-350 video flicker with R5.5 (RESOLVED) http://forum.linhes.org/viewtopic.php?f=6&t=18636 |
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| Author: | cliffsjunk [ Thu Jul 24, 2008 4:42 pm ] |
| Post subject: | PVR-350 video flicker with R5.5 (RESOLVED) |
I have just made a test "Auto Install" of R5.5 on a PVR-350 MSI motherboard Athlon 1400 system and the video flickers. The text displayed with the video (like the OSD) is very bad too. The X text (mythtv interface) is fine. The console text (Ctrl- Alt-F1) is fine. Everything else (TV watching wise) seems to work except that shutdown freezes (which I haven't looked into yet). Edit: Moral of story, re-read TJC's hints, even if you already read them once. Fixed by known issue 2.1.4. Cliff |
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| Author: | tjc [ Thu Jul 24, 2008 7:32 pm ] |
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Do you have the 'PVR350OutputEnable'" set as per Known Issues #2.1.4? |
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| Author: | cliffsjunk [ Mon Jul 28, 2008 9:45 pm ] |
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I had not set that so it is at the default value. Sorry. Read the 5.5 hints, but I missed it. I am back at girlfriend's house and will try another test install of 5.5 to see if this fixes it. I will update the title of this thread to include "fixed" if it does. Thanks Cliff |
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| Author: | tjc [ Mon Jul 28, 2008 11:45 pm ] |
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If you use the PVR-350 X frame buffer driver it works OK as a video card but you don't get the benefits of the builtin mpeg decoder for video playback. The fact that it plays back TV at all is a tribute to what a good job the ivtvfb folks did.
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| Author: | cliffsjunk [ Tue Jul 29, 2008 12:11 pm ] |
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Original post: I tried enabling this and it fixes the video problem, but when it is enabled, the audio does not work. I tried setting the 'TV audio thru PVR-350 only' setting both ways and it did not fix the audio issue. Edit addition: I played around with alsamixer and got the audio working too. Makes sense that with everything going thru X it was talking straight to the sound card, but when configured to send the mpg thru the PVR-350 that it would process the audio and that only then the sound card input would have to be configured correctly. Cliff |
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| Author: | tjc [ Tue Jul 29, 2008 10:12 pm ] |
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I'm guessing that you have loop back jumpers from the audio output of the pvr-350 to one of the sound card inputs so that you can control all your audio volumes and outputs via the sound card? |
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| Author: | cliffsjunk [ Wed Jul 30, 2008 11:48 am ] |
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tjc wrote: I'm guessing that you have loop back jumpers from the audio output of the pvr-350 to one of the sound card inputs so that you can control all your audio volumes and outputs via the sound card?
Yes, and I knew it worked under R5F27. |
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