Return a copy of size bytes from mem starting from offset. This copy is guaranteed to be writable. size can be set to -1 to return a copy from offset to the end of the memory region.
offset to copy from
size to copy, or -1 to copy to the end of the memory region
a new gstreamer.Memory
Return a copy of size bytes from mem starting from offset. This copy is guaranteed to be writable. size can be set to -1 to return a copy from offset to the end of the memory region.