is this using Xv or XvMC?
--John
I've lost track of the thread where I said something about trying a GeForce 6200 in place of a GeForce 4 MX with an Athlon XP 1800 system, to see if that would give any significant playback performance boost with High Definition recordings. Well, the answer is no, not really, but a bit of a cpu upgrade sure helped. Here's a quick summary of my findings today (from memory though, wish I'd actually written it all down). In all cases, I'm using libmpeg2 for decode.
Athlon XP 1800 w/AGP GF4MX, 6629 nvidia driver:
-Able to play back 720p, cpu around 85% used.
-Able to play back 1080i without a deint filter, cpu around 95% used.
-Stutter every second or two on 1080i with deint filter on, cpu completely pegged.
Athlon XP 1800 w/AGP GF4MX, 7174 nvidia driver: -Able to play back 720p, cpu around 70% used. -Able to play back 1080i without deint, cpu around 85% used. -Stutter every few seconds on 1080i w/deint filter on, cpu pegged.
Athlon XP 1800 w/AGP GeForce 6200, 7174 nvidia driver: -Maybe slightly better, but no significant difference from the GF4MX.
Athlon XP 2600 w/AGP GF4MX, 7174 nvidia driver:
-Able to play back 720p, can't remember cpu usage.
-Able to play back 1080i w/no deint, can't remember cpu usage.
-Able to play back 1080i w/kernel deint filter enabled, cpu usage fluctuates between 80 and 95%.
I've decided to stick with the 2600 and GF4MX, and my secondary Myth box can now handle 1080i programming without a problem. I'll get the missing cpu utilization numbers one of these days...
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