mlt_properties properties = mlt_transition_properties( this );
service->get_frame = transition_get_frame;
+ service->close = ( mlt_destructor )mlt_transition_close;
+ service->close_object = this;
mlt_properties_set_position( properties, "in", 0 );
mlt_properties_set_position( properties, "out", 0 );
mlt_service mlt_transition_service( mlt_transition this )
{
- return &this->parent;
+ return this != NULL ? &this->parent : NULL;
}
/** Get the properties interface.
void mlt_transition_close( mlt_transition this )
{
- if ( this->close != NULL )
- this->close( this );
- else
- mlt_service_close( &this->parent );
+ if ( this != NULL && mlt_properties_dec_ref( mlt_transition_properties( this ) ) <= 0 )
+ {
+ this->parent.close = NULL;
+ if ( this->close != NULL )
+ this->close( this );
+ else
+ mlt_service_close( &this->parent );
+ }
}