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| Giving up on getting OSD to work -- time to build a new box. http://forum.linhes.org/viewtopic.php?f=6&t=16802 |
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| Author: | grante [ Sun Sep 30, 2007 7:22 pm ] |
| Post subject: | Giving up on getting OSD to work -- time to build a new box. |
It's been a very frustrating few days. HD playback with XVMC sure is a mess. It looks like I'm going to have to give up on getting the OSD to work on my current hardware. HD playback (720p and 1080i) works nicely until the OSD comes up. When that happens everything grinds to a halt, until the OSD goes away. Often the sound remains broken long after the OSD goes away. The OSD will even break the sound on SD playback (though the video continues smoothly the whole time). I've also been unsuccessful in my attempts to find out what the "NVP: prebuffering pause" message means. Similar problems reported in the past seem to have been bugs in MythTv, and I don't have the time to wade through that many lines of C++ code to try to fix it. So I guess it's time for new hardware. Not that there's any gaurantee that will work any better... |
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| Author: | spalVl [ Sun Sep 30, 2007 7:34 pm ] |
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There is a trick you can do to tell MythTV to use XvMC only for HD recordings. The SD recordings will use ffmpeg then. http://www.mythtv.org/wiki/index.php/Xv ... or_HD_Only This is what I did to get a P4 2.6 and FX5200 playing HD, and then set the OSD for as low as possible and live with the brief stutters. |
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| Author: | grante [ Sun Sep 30, 2007 8:46 pm ] |
| Post subject: | |
spalVl wrote: There is a trick you can do to tell MythTV to use XvMC only for HD recordings. The SD recordings will use ffmpeg then. http://www.mythtv.org/wiki/index.php/Xv ... or_HD_Only I've been thinking about enabling that option. Too bad the big three networks don't also broadcast in SD the way that PBS, FOX, and the little guys do. Quote: This is what I did to get a P4 2.6 and FX5200 playing HD, and
then set the OSD for as low as possible and live with the brief stutters. If the sound resumed when the OSD went away, it wouldn't be too bad, but sometimes it takes several minutes for the sound to come back on. And now the frontend is just plain crashing quite a bit. The last time it happend here's what was in the mythtv frontend log: Code: mythfrontend: cc708decoder.cpp:587: void parse_cc_packet(CC708Reader*, CaptionPacket*): Assertion `pkt_size<127' failed.
I've also had problems with the GUI _sometimes_ not being drawn at all when the OpenGL painter is enabled. With the Qt painter, it seems better. At least the TV-Out works with NVidia hardware -- which I can't say was true for the ATI chipset I had before this. The quality of video drivers for Linux is really pretty sad... |
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| Author: | jzigmyth [ Wed Nov 07, 2007 11:05 am ] |
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If you have an FX5200 you can use this hack which makes the osd color with xvmc. A side effect for me was the audio stuttering was minimized while the osd is displayed. Very tolerable after the hack. http://www.mythtv.org/wiki/index.php/Xv ... 4_.26_5.29 P4 2.0 Ghz AGP FX5200 using TVout 512 Meg ram |
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| Author: | grante [ Wed Nov 07, 2007 3:11 pm ] |
| Post subject: | |
jzigmyth wrote: If you have an FX5200 you can use this hack which makes the osd color with xvmc. A side effect for me was the audio stuttering was minimized while the osd is displayed. Very tolerable after the hack.
http://www.mythtv.org/wiki/index.php/Xv ... 4_.26_5.29 I tried that, and things got worse. Usually playback didn't work at all, and things just locked up. |
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