A session object used to copy and/or convert video data from source pixel buffers to destination pixel buffers.
A pixel transfer session supports the copying and/or conversion of images from source pixel buffers to destination pixel buffers. The basic workflow used when working with a pixel transfer session is as follows:
Create a pixel transfer session by calling
Transfer Session Create(allocator: pixel Transfer Session Out:)
Transfer images by calling
Transfer Session Transfer Image(_: from: to:)