video-plugin with a QTKit backend
=================================
input (from cam)
QTCaptureDevice
output (to pix)
QTCaptureVideoPreviewOutput
QTCaptureDecompressedVideoOutput
see also:
getPosterFrame getFrameImageAtTime
from TechNote2138: Listing 1 How to get a CGImage for a movie frame at a given time.
<snip>
NSDictionary *dict = [NSDictionary
dictionaryWithObject:QTMovieFrameImageTypeCGImageRef
forKey:QTMovieFrameImageType];
QTTime time = [movie currentTime];
CGImageRef theImage = (CGImageRef)[movie frameImageAtTime:time
withAttributes:dict error:NULL];
</snip>
example-code using QTKit for reading images:
https://svn.blender.org/svnroot/bf-blender/trunk/blender/source/blender/quicktime/apple/qtkit_import.m
e85d191b46