second monitor kind of jerky at

Go Back   DV Info Net > Apple / Mac Post Production Solutions > Final Cut Suite

Final Cut Suite
Discussing the editing of all formats with FCS, FCP, FCE

Thread Tools Search this Thread
Old August 23rd, 2010, 02:08 PM   #1
Join Date: Mar 2004
Location: Milwaukee, WI
Posts: 1,719
second monitor kind of jerky

Anybody notice this with FCP?

I have a 21.5" Imac and FCP runs so great on this thing. I started using a second montior for editing and when I use that second LCD monitor to view fullscreen video via desktop preview the playback is kind of jerky. I thought that maybe perhaps my system just could not handle running two monitors.

Now the interesting thing is if I flip the monitors around and use the Imac screen for desktop preview and the second monitor for the FCP panels and timeline I get full framerate playback. I can even manage full 720p 60p playback.

I'm thinking that perhaps my little Nvidia 9400 gpu is limiting performance to the main display which is why desktop preview works so much better on the main display then on the second LCD display. Does this sound correct or is this a known limitation of FCP? Maybe it is time to move up to a better gpu. To be honest just flipping around the displays really isn't the end of the word. My only concern is if I get a Matrox MXO which hooks up via the DVI port to output SDI if it will actually work or be limited in performance.

Thomas Smet is offline   Reply With Quote
Old August 23rd, 2010, 02:31 PM   #2
Inner Circle
Join Date: Dec 2005
Location: New York City
Posts: 2,501
Imagine how much pixel space is being changed with full screen video on the second monitor. Now I don't know the specifics of how the second monitor out works on the iMac line but it makes sense that reversing the screens gives you smooth playback. The fact that the majority of the Final Cut desktop doesn't change much during playback, relieves the computational pressure on the second monitor out of the internal video card. Clearly the computer is built in a way that gives more power to the internal screen. Have you experimented with regular preview on the second monitor? Even on a MacPro you get better performance if you don't use full screen.
William Hohauser - New York City
Edit/Camera/DCP production/Animation
William Hohauser is offline   Reply With Quote
Old August 23rd, 2010, 04:15 PM   #3
Join Date: Mar 2004
Location: Milwaukee, WI
Posts: 1,719
It doesn't matter what desktop preview mode I use. They are all equally jerky on the second monitor. I'm ok with flipping the monitors around if I have to but it does kind of suck not being able to use a Matrox MXO.

Would even getting a updated Imac with a better gpu even help in this situation or is a Mac Pro my only option? Now I know the Matrox MXO worked very well with older MBP's so I don't see why an Imac with a slightly better gpu wouldn't help.
Thomas Smet is offline   Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

Omega Broadcast
(512) 251-7778
Austin, TX

(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

(800) 238-8480
Glendale, CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Apple / Mac Post Production Solutions > Final Cut Suite

Thread Tools Search this Thread
Search this Thread:

Advanced Search



All times are GMT -6. The time now is 06:17 AM.

DV Info Net -- Real Names, Real People, Real Info!
1998-2015 The Digital Video Information Network