Black Frames in Veg file playback!

Dan Sherman wrote on 1/7/2012, 8:59 AM

After being unable to render out ot MPEG2 in Vegas Pro 11 (511) moved over to Vegas 10 and got the job done.
Now after revisting Vegas 11 I discover it is producing black frames while playing back the Veg file, acting in the same fashion as when I try to render to MPEG2.
BTW, no porblem rendering out to MPEG4 in Vegas 11.
So go figure.
There is so much information scattered about the forum, I wonder do we have a solution for Vegas 11 and is that solution not to use it? Upgrade to a video card Beta driver? Defect to Premier Pro? Get formatted and come back as an apple head? Jump off a bridge?

Comments

Frederic Baumann wrote on 1/9/2012, 1:27 PM

Hi,

Did you check that the project properties are using an 8-bit pixel format, and NOT floating point?

It looks like there is a bug in Vegas when multithreading is enabled and when the floating point format is used. I have reported the issue to Sony, but did not get a definitive answer, so it's just an assumption or mine so far.

So meanwhile, what you could try:
- select the 8-bit pixel format in the project properties
- set the max number of threads to 1 (in Options > Preferences > Video)
- disable the GPU acceleration (in Options > Preferences > Video)

With the last 2 points, you will obviously loose performance, but you might eliminate the black frames.

Hope this helps,
Frederic - FBmn Software