On Thu, Nov 17, 2005 at 03:43:52PM -0800, Todd Ignasiak wrote: > I have seen several reports of performance expectations with the > various MPEG decoders, and what I am seeing is not exactly what > other people have seen, so I wanted to start a discussion here. > Also, I thought others might be interested in the performance > numbers from a typical system (if anyone has performance info from > other CPUs, or Unichrome XvMC, please post).. > > The main unexpected issues I see are: > - libMPEG2 uses much more CPU than the Standard decoder on my system. > (libmpeg2:80%, Standard: 50%, XvMC: 28%). The 'help' info in the > GUI, and several posts here, say that libMPEG2 should be have lower > CPU requirements. Perhaps this is an x86-64 issue.
You're confirming what other people have reported on other 64-bit
systems (ffmpeg a.k.a. "standard" is more CPU-efficient):
http://www.gossamer-threads.com/lists/mythtv/users/127168
--Rob
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