On Thursday 27 October 2005 11:29, Chris Dos wrote: > > Daniel Kristjansson wrote: > > > > On Wed, 2005-10-26 at 19:30 -0600, Chris Dos wrote: > >>AFD: Looking for decoder for MPEG2VIDEO_XVMC > >>AFD: Opened codec 0x8da96c0, id(MPEG2VIDEO_XVMC) type(Video) > >>Estimated bitrate = 8000 > >>* Does this mean the estimated bitrate that the buffer needs? I'm > >> running 24360 right now. > > > > No, this means the estimated bitrate of the stream, it is used to > > set the sizes of buffers for LiveTV and network streaming. If you > > are getting playback problem while playing an existing recording > > this isn't the problem. > > Yea, but could this be the difference between the 18.1 that I have that > works using XvMC and the current SVN that does not. > > >>Do these log snippets provide any information that might point to the > >> cause of my problem? Thanks again for your time in looking at this. > > > > Nope, but you've eliminated jitter as the cause of the "frames ahead > > of video" messages though. My best bet is that the sound card is > > running a little fast. You can try playing with the values for > > audio buffering, or use the video as the timebase instead. > > Or, if you have a spare audio card, try using it instead. > > Tried the various settings. Using the Extra Audio Buffering option causes > a blue screen to be displayed when trying to watch HD. In fact I have to > reboot to reset the card so I can see HD again. Using the video as the > timebase also did not make a difference. > > I have a sound blaster audigy card I can plug in. I originally did buy it > for my Myth box, but took it out when the onboard VIA sound was working and > providing more options for 7.l sound. I'll try the sound blaster card > again and post the results. > > > However, my guess is that this isn't your real problem. I think > > your system is just too marginal to use nVidia's implementation > > of XvMC for HDTV sized frames. The only thing you can really at > > this point is the chromakey OSD. This might make HDTV work for > > you (though probably not when the OSD is on screen.) > > I don't understand how my system is too marginal to play XvMC. If I can do > software decoding now using libmpeg2, I certainly have enough power to do > XvMC. When XvMC is working on the 18.1, it's only using 30% processor to > decode HD. I still think there is a problem in the changes for SVN compared > to the 18.1 that works fine except for the OSD dropped frames problem. > > I enabled chromakey OSD and the problems still exist. > > I'm starting to think that this might be a problem relating to AMD > processors as Todd Freeman was also having this problem and his system is > 1/3 faster than mine. If I remember right, you have an Intel processor and > looking at the mailing list, most people that are doing HD are using the > Intel procs. Are there any source files in my 18.1 tree that you would > want to take a look at to look at the differences in the code? > > I would like to find a solution to this if at all possible. > > Chris
I have an Athlon64 and currently do HD. I haven't tried to enable XvMC though since I can watch TV and my cpu maxes at about 85% according to top. Steve _______________________________________________ mythtv-dev mailing list mythtv-dev@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
