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Sequence Grabbing - continued

Thank you to whoever it was that answered my previous question about Sequence Grabbing (and writing my own seq grabber channel component).   The suggestion was to take a look at a VDIG impl, which I've been doing. Indeed, this looks very promising.

I've been studying the SoftVDigX example. An I can see essentially what it's doing. My questions are now:

a) where do I find some definitive list of functions that I need to implement, in order to create a vdig that would return bitmap/raster date?  I'm not returning a compressed source (at least, not that I know of!)

b) The SoftVDigX KEXT has encoded in a number of .h files, each image. These are of type  Y'CbCr 8-bit 4:2:2. Am I correct in thinking that if  don't support a compressed source, that I can provide simply a raster image to the caller?




---
Neil Clayton


 

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