[QLab] Video Cross Fades Up/Down

Andrew Gitchel agitchel at fas.harvard.edu
Fri Nov 16 12:56:28 PST 2007


Chris,

Thanks for the email,  and sorry for the panicky communication....

Resolution of projector = 800x600
Resolution of picture =initially larger, but re-formated everything  
down to 800x600
Simultaneous media playback = Never at the same time, always cross- 
fading between the two. (Man Picture fades out into Woman Picture  
fading up)
Previous Cues Stopping = All files have stopped after the designated  
holds or fade outs.  But I do have a question about that....

To fade into and out of clips, I would play the video at 0%visibility  
to "load the cue", and then have a video fade cue to fade it up to  
100% visibility.  Another cue would then automatically follow to load  
the next video at 0% visibility, and then another video fade cue to  
fade out the first video, and fade up the next video.  Seemed arduous  
at the time, but didn't see any other way to set up cross-fades.....

Shows up and running and the director is off my case now, but would  
still love to hear any suggestions that might improve the video fading.

Thanks

Best,
Andrew

Andrew J. Gitchel, Technical Supervisor
Harvard University - New College Theater
10-12 Holyoke St.
Cambridge, MA 02138
Office - 617.495.8716
Fax - 617.495.8728
Cell - 508.725.4976

THINK BEFORE YOU PRINT

- What is the resolution of the final output display device (e.g.
projector)
- What is the resolution of the source media
- How many media files are playing simultaneously
- Have previous cues been stopped when they are no longer needed

And an added one:

- Is the video cue up to date

Cheers,
Chris
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