Function CVPixelBufferCreate 

pub unsafe extern "C" fn CVPixelBufferCreate(
    allocator: CFAllocatorRef,
    width: usize,
    height: usize,
    pixelFormatType: OSType,
    pixelBufferAttributes: CFDictionaryRef,
    pixelBufferOut: *mut CVPixelBufferRef,
) -> CVReturn

Apple SDK function CVPixelBufferCreate.