> I want to provide the composition with an NSImage which is the current frame,
> and the current frame time, and let it render an overlay.
> Am I just overlooking something obvious?
1) Publish the image input on the processing composition ("inputImage" will
do).
2) then: [myQCRenderer setValue:theNSImage forInputKey:@"inputImage"];
3) win.
For more documentation: QCRenderer implements the QCCompositionRenderer
protocol -- that controls how you put data in, and get data out,
programmatically.
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