GstMemoryFlags
data to wrap. [array length=size][element-type guint8][transfer none]
allocated size of data
offset in data
size of valid data
user_data. [allow-none]
called with user_data when the memory is freed. [allow-none][scope async][closure user_data]
a new GstMemory. [transfer full]
Allocate a new memory block that wraps the given data. The prefix/padding must be filled with 0 if flags contains GST_MEMORY_FLAG_ZERO_PREFIXED and GST_MEMORY_FLAG_ZERO_PADDED respectively.