Create a #GstMemory object that is mapped with @flags. If @mem is mappable
with @flags, this function returns the mapped @mem directly. Otherwise a
mapped copy of @mem is returned.
This function takes ownership of old @mem and returns a reference to a new
#GstMemory.
Create a #GstMemory object that is mapped with @flags. If @mem is mappable with @flags, this function returns the mapped @mem directly. Otherwise a mapped copy of @mem is returned.
This function takes ownership of old @mem and returns a reference to a new #GstMemory.