References
Libraries
Extra data passed to a “gst-copy” transform MetaTransformFunction.
MetaTransformFunction
The offset to copy, 0 if region is False, otherwise > 0
region
False
True if only region is copied
True
The size to copy, -1 or the buffer size when region is False
MetaTransformCopy.offset
MetaTransformCopy.region
MetaTransformCopy.size