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1. Re: Full screen preview drops frames
sacha_G Aug 15, 2011 4:33 AM (in response to sacha_G)Anyone??
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2. Re: Full screen preview drops frames
Harm Millaard Aug 15, 2011 5:31 AM (in response to sacha_G)As a reminder, this is a 12 core i7 with 2 x Quadro FX3800, all unnecessary services disabled, 12Gb RAM, CS5 5.0.3, latest WHQL Nvidia drivers.
There exist no 12 core i7's. The max is hexa-core, but in your previous thread you said Xeon X5670. So what is it?
I still suspect your Editshare NAS. Can you try with a couple of internal disks? What happens when you increase memory to 24 GB?
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3. Re: Full screen preview drops frames
sacha_G Aug 15, 2011 6:35 AM (in response to Harm Millaard)There exist no 12 core i7's. The max is hexa-core, but in your previous thread you said Xeon X5670. So what is it?
Well spotted, my bad - it is indeed 2 x hexa-core X5670's - which of course is 12 cores in total.
I still suspect your Editshare NAS.
I'd say unlikely since - we've replaced it with something else, also:
I tried a basic sequence with a spinning graphic (in order to rule out any issues with disk/network access)
and at any rate I tried it as a local project on local disks and it made no difference.
For graphic read plain color matte and basic SD res JPG (same results with either)
What happens when you increase memory to 24 GB?
No idea as I don't have access to any - strikes me as odd though to think anyone would need 24Gb or RAM just to display a rotating still smoothly.
Premiere is showing 300Mb of RAM, total RAM in use when everything is loaded and running is 3Gb, 9Gb free sitting there twiddling it's virtual thumbs.
BTW I should also mention that this happens even on SD projects, not just HD ones. Also watching the task manager shows virtually CPU usage, no disk and no network access during playback (as I would expect). No peaks in any graphs correllating with the dropped frames. Also enabling/disabling MPE Hardware assist makes no difference.
Sacha.
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4. Re: Full screen preview drops frames
sacha_G Aug 17, 2011 2:22 AM (in response to sacha_G)Ok, got a bit more scientific with the tests and discovered that even playback through windows media player full screen also isn't smooth when dual video cards on three screens are enabled - Windows Media Center though is (very nearly almost) perfect - I also did a quick test on our second system (a Mac with a second monitor connected over HDMI) and even that jittered and failed to playback 50p content, although as that is a lower spec box I'm happy to accept there could be another reason for this.
Oh, and no improvement under CS5.5 either.
Here is an output file which can be used to illustrate the issue: (720p50)
http://www.bath.ac.uk/lmf/download/53038
So, I'll rephrase the question:
Would a Intensity/Decklink or Matrox MXO box display smooth content from the timeline with 50i/50p content over HDMI on an external display?
If so, are there any caveats/compromises with using this hardware - as an ex-Axio and RTX user I never had problems with output stability but had numerous problems with general stability instead and vowed never to use a Matrox card again if I could possibly avoid it - could anybody share their experiences with using external interfaces?
Thanks
Sacha.


