The easiest way to get a single field is to interpret the frame
buffer with
a row stride which is double the width of the frame, and half as high.
The second field becomes, in essence 'padding bytes'.
Gen Kiyooka
Digigami
On Aug 17, 2005, at 5:39 AM, Aender Robinet wrote:
Hallo,
I'm working on a "Motion Tracker" application which displays single
frames of a QT movie. I managed to extract single fields out of an
offscreen GWorld containing the movie frames.
In the new version of my application I'm using the core video
pipeline to extract the frames as OpenGL textures, which works very
well.
My question: Where and how can I extract single fields of a frame
out of the core video pipeline? Or how can I deinterlace the frames
in an other way?
Thanks
Aender Robinet_______________________________________________
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