Resize the memory region. @mem should be writable and offset + size should be less than the maxsize of @mem.
#GST_MEMORY_FLAG_ZERO_PREFIXED and #GST_MEMORY_FLAG_ZERO_PADDED will be cleared when offset or padding is increased respectively.
a new offset
a new size
See Implementation
Resize the memory region. @mem should be writable and offset + size should be less than the maxsize of @mem.
#GST_MEMORY_FLAG_ZERO_PREFIXED and #GST_MEMORY_FLAG_ZERO_PADDED will be cleared when offset or padding is increased respectively.