Big modification - switch to macros for parent class access

[melted] / src / framework / mlt_tractor.h

diff --git a/src/framework/mlt_tractor.h b/src/framework/mlt_tractor.h
index 28a6071..da0030a 100644 (file)
--- a/src/framework/mlt_tractor.h
+++ b/src/framework/mlt_tractor.h
@@ -23,9 +23,30 @@
 
 #include "mlt_producer.h"
 
+/** Private structure.
+*/
+
+struct mlt_tractor_s
+{
+       struct mlt_producer_s parent;
+       mlt_service producer;
+};
+
+#define MLT_TRACTOR_PRODUCER( tractor )                ( &( tractor )->parent )
+#define MLT_TRACTOR_SERVICE( tractor )         MLT_PRODUCER_SERVICE( MLT_TRACTOR_PRODUCER( tractor ) )
+#define MLT_TRACTOR_PROPERTIES( tractor )      MLT_SERVICE_PROPERTIES( MLT_TRACTOR_SERVICE( tractor ) )
+
 extern mlt_tractor mlt_tractor_init( );
-extern mlt_service mlt_tractor_service( mlt_tractor this );
-extern int mlt_tractor_connect( mlt_tractor this, mlt_service service );
-extern void mlt_tractor_close( mlt_tractor this );
+extern mlt_tractor mlt_tractor_new( );
+extern mlt_service mlt_tractor_service( mlt_tractor self );
+extern mlt_producer mlt_tractor_producer( mlt_tractor self );
+extern mlt_properties mlt_tractor_properties( mlt_tractor self );
+extern mlt_field mlt_tractor_field( mlt_tractor self );
+extern mlt_multitrack mlt_tractor_multitrack( mlt_tractor self );
+extern int mlt_tractor_connect( mlt_tractor self, mlt_service service );
+extern void mlt_tractor_refresh( mlt_tractor self );
+extern int mlt_tractor_set_track( mlt_tractor self, mlt_producer producer, int index );
+extern mlt_producer mlt_tractor_get_track( mlt_tractor self, int index );
+extern void mlt_tractor_close( mlt_tractor self );
 
 #endif