Mlt Ref Counts and Playlist split/join

[melted] / src / framework / mlt_tractor.c

diff --git a/src/framework/mlt_tractor.c b/src/framework/mlt_tractor.c
index 9143868..5b571be 100644 (file)
--- a/src/framework/mlt_tractor.c
+++ b/src/framework/mlt_tractor.c
@@ -41,7 +41,6 @@ struct mlt_tractor_s
 */
 
 static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int track );
-static void producer_close( mlt_producer this );
 
 /** Constructor for the tractor.
 */
@@ -59,7 +58,8 @@ mlt_tractor mlt_tractor_init( )
                        mlt_properties_set( mlt_producer_properties( producer ), "mlt_service", "tractor" );
 
                        producer->get_frame = producer_get_frame;
-                       producer->close = producer_close;
+                       producer->close = ( mlt_destructor )mlt_tractor_close;
+                       producer->close_object = this;
                }
                else
                {
@@ -252,16 +252,11 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
 
 void mlt_tractor_close( mlt_tractor this )
 {
-       this->parent.close = NULL;
-       mlt_producer_close( &this->parent );
-       free( this );
-}
-
-/** Close the producer.
-*/
-
-static void producer_close( mlt_producer this )
-{
-       mlt_tractor_close( this->child );
+       if ( this != NULL && mlt_properties_dec_ref( mlt_tractor_properties( this ) ) <= 0 )
+       {
+               this->parent.close = NULL;
+               mlt_producer_close( &this->parent );
+               free( this );
+       }
 }