2008-07-11, 07:29 PM
Hoping you guys can give me a few suggestions for improving playback. Playing back analog recorded channels is fine, but ATSC digital channels play back choppy. The bitrate that I get when playing back files is 6-7 Mbps, and the frame rate is 12-16. If I open graphedit and put the mpeg2 splitter in place of the mpeg2-demultiplexer I can get bitrates of 12-15 Mbps and frame rates of 27-29, and probably 95% or so of the choppiness is gone. I've played around with all the different combinations of deinterlace and overlay/vmr9, and nothing makes it better, only worse. I can stream the same show to my popcorn hour and it plays back perfectly, so I'm fairly sure it's not the disk or IO problems. The CPU is usually not at more than 40%, and the machine has 1 gig of memory and nothing else running. It's a 3.2 GHZ with an NVidia GEForce 7600GS, running latest video drivers and Nvidia's decoder so I get the hardware acceleration.
My questions are:
Why is there such a huge differene in the splitter versus the demux?
How do I set the splitter as the default versus the demux?
Should I set the splitter as default? Am I giving up anything?
Is there a better demux?
Anything else you guys can think of? I'm kind of stuck on this, I've been working on this for a few weeks now. I want to eliminate all the stutter, this is the first thing I can think of that has helped.
TIA
My questions are:
Why is there such a huge differene in the splitter versus the demux?
How do I set the splitter as the default versus the demux?
Should I set the splitter as default? Am I giving up anything?
Is there a better demux?
Anything else you guys can think of? I'm kind of stuck on this, I've been working on this for a few weeks now. I want to eliminate all the stutter, this is the first thing I can think of that has helped.
TIA