Poor Preview Speed at DVinfo.net

Go Back   DV Info Net > Cross-Platform Post Production Solutions > CineForm Software Showcase

CineForm Software Showcase
Cross platform digital intermediates for independent filmmakers.


Reply
 
Thread Tools Search this Thread
Old September 25th, 2007, 03:41 PM   #1
Regular Crew
 
Join Date: Apr 2007
Location: Cheshire, CT
Posts: 110
Poor Preview Speed

I must need to change something, because my preview speed using Cineform avi's in Vegas 8 is still jumpy. System: Dual core 2.13, 2 Gig RAM, nVidia 7800 GTX video card. The only way I'm getting real-time preview without being jumpy is to change to Draft preview, but then it's difficult to edit due to low clarity of preview. Changing the Dynamic RAM setting within Vegas 8 hasn't helped. When I let the higher preview settings play for a 5-10 seconds and then loop it again, it isn't jumpy, but I don't care to stop every 5 seconds.

Would it make a difference that my two Cineform avi sources files are about 45 Gig each (1 hour long at Filmscan1 setting)?
James Campbell is offline   Reply With Quote
Old September 25th, 2007, 03:56 PM   #2
Tourist
 
Join Date: Apr 2007
Location: Ottawa CANADA
Posts: 2
Poor Preview Speed

Me, too. i get preview with Cineform NEO of 8 to 10 fps in both Vegas 7 & 8. This is best/full. With Vegas 8, i took the opportunity to do a full re-install of XP, since i hadn't refreshed it since the initial install several years, and several CPU upgrades ago. When i had a RAID hiccup and had to re-capture several projects, i capured the M2Ts directly in Vegas and didn't bother with Cineform. Now i get 23.976 fps, which as a professional editor, i find essential for judging the rhythm and flow of the scene.

This may be a Video for Windows issue, and not Cineform's fault, but the show must go on.
Chris Mallam is offline   Reply With Quote
Old September 25th, 2007, 04:43 PM   #3
Major Player
 
Join Date: Jun 2007
Location: Medford, OR
Posts: 347
James,

I've got a Dual (dual core Zeon), 4 gigs ram, 8800 GTS and I'm not getting realtime either unless I'm in in Preview (half) mode. This works ok for firewire preview but when previewing to my secondary display I need to use Preview (full) or it looks blurry. Then I only get 15fps.

I'm using NEO (high) with V8. I chose to use NEO on my current (first HDV) project for fear of the black frame bug and for a better color space 4:2:2.

Marc
Marc Salvatore is offline   Reply With Quote
Old September 28th, 2007, 07:20 PM   #4
Regular Crew
 
Join Date: Apr 2007
Location: Cheshire, CT
Posts: 110
I MUST have some setting either in Windows, Vegas that is WAY off for working with Cineform. I tried all the recommendations listed above (and from a similar posting on the Vegas forum) that relate to my system, and nothing changed.

I tried several things that may pinpoint where I'm going wrong: I created a new veg in Vegas, only imported ONE file at a time in several different file HD formats (wmv, mpeg, and Cineform avi). The wmv and mpg were each at about 800 MB, while the Cineform was about 670 MB. The wmv and mpg came right up to 23.976 fps. The Cineform stayed between 8-10 fps with no other changes to the system. When I played that same Cineform avi file OUTSIDE of Vegas, it played at regular speed with no jumpiness.

I made sure I matched the project settings to media, I shut off all programs not related to Vegas, no effects/track effects, CPU usage around 35-45%, size of preview at 384 x 216, tried Dynamic Preview RAM at 0, default of 128, 1024 with minimal effect. I set the Cineform, Tools, Desktop Playback to Fast. I'm ONLY having problems with the preview speed with the Cineform files, which I was under the impression would actually SPEED things up.

Am I missing something? Is there any info anyone can think of that I could give you that would help identify any problem?
James Campbell is offline   Reply With Quote
Old September 28th, 2007, 07:29 PM   #5
CTO, CineForm Inc.
 
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,090
I not a Vegas setting export, yet I get much better performance on a P4 with the default settings. I typically run preview half, but with that I see real-time. Nothing has changed on our end, has Sony been able to advise anything?
__________________
David Newman -- web: www.gopro.com
blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman
David Newman is offline   Reply With Quote
Old September 28th, 2007, 08:26 PM   #6
Regular Crew
 
Join Date: Apr 2007
Location: Cheshire, CT
Posts: 110
David,
Thanks for the response. I'm certain it's something in my Vegas settings. I just re-opened the file and tried a few things. I set the preview to Half. Still poor fps. I tried clicking off various tracks. Here's the kicker: I have 5 tracks (2 video, 2 correlating audio tracks, one Hi-MD audio track). I tried various combinations of muting tracks. When I leave both video tracks on, the audio to the first track, MUTE the 2nd audio track, and leave on the Hi-MD audio track, I get almost 23.976 fps. I leave on all audio tracks with the video, back to 7-12 fps. Both video tracks on and JUST the Hi-MD audio tracks, I get full 23.976 even with 636 x 358 preview. So clearly it's not a Cineform issue (I'm guessing it's not an issue with the Cineform audio import affecting fps), so I'll run this past the Vegas crew.
James Campbell is offline   Reply With Quote
Old September 28th, 2007, 08:35 PM   #7
CTO, CineForm Inc.
 
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,090
That is an interesting find. I hope Sony can help you get to the bottom of this.
__________________
David Newman -- web: www.gopro.com
blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman
David Newman is offline   Reply
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

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. 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 > Cross-Platform Post Production Solutions > CineForm Software Showcase

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 03:07 PM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network