Preview hangs

bill1200 wrote on 9/19/2007, 8:51 AM
Have just recently started using VMS Platinum 7. My most recent project is doing something I've not seen before. While previewing, it works great until I get to a portion of the project where I did a picture in picture. When it gets to that part, preview essentially stops. I have done a search on the forums. Moved all files, as well as VMS to different HD(off the OS HD), increased dynamic RAM to different values up to 1 GB, lowered preview quality, all without any change. System: XP Home, P4 3.4 GHz, 2GB RAM, 2 HD's 200GB each approx 30% full. Any other suggestions appreciated.
Also, am thinking of changing to duo core processor, wondering if VMS will benefit from multicore processing in general?

Comments

Eugenia wrote on 9/19/2007, 12:15 PM
I have seen the preview window not showing pictures in particular when some plugins are active on them. I have seen a black preview window and an eventual crash. My theory is that this was a plugin bug. Not sure if this is true in your case too.
bill1200 wrote on 9/19/2007, 2:16 PM
No plug ins. I should be more clear on what exactly happens. The sound track keeps playing, but the picture in preview freezes, and then just stutters with occassional clips from futher along the time line. Makes viewing edits pretty much impossible.
Kennymusicman wrote on 9/19/2007, 4:10 PM
It could depend on how you do PiP..

Once (a while ago now) I did a 4way split screen, and "*thinking*" I used event pan/crop (but it might have been track motion - long time ago) to effectively enlarge the 'canvas' to 4096 x 3072 to fit 4x(1024x768) inside... Performance had a hit when I did that.... lol

bill1200 wrote on 9/19/2007, 6:23 PM
track motion
Giisty wrote on 9/25/2007, 2:11 PM
My guess is that for vegas to do the additional work with the PIP you do not have enough memory to show in preview window. A way around this is to render the portion you want to view and then view this. It should view correctly.

There was a thread recently talking about RAM rendering. Search for it. Else render the section to a file and then view it separately. There may be smarter ways to do this however this should work.

Cheers,
Michael.
bill1200 wrote on 9/25/2007, 5:11 PM
thanks
vincej wrote on 9/26/2007, 9:20 AM
I'm relatively new to Plat 8 and have recently discovered a guarnteed way of crashing the s/w. Without going into the boring details of how you accomplish such a houdini act, essentially if you ask the app to present 2 different clips at the same time it will crash. This makes sense as essentiually you are asking the s/w to access to areas of disc in simultaneously and real time - quite impossible.

The only sensible thing to to do is pre-render.

vincej