Big modification - switch to macros for parent class access

[mlt] / src / framework / mlt_multitrack.h

diff --git a/src/framework/mlt_multitrack.h b/src/framework/mlt_multitrack.h
index 809678c94d00f8ff7ba19311c422b159a683f96b..f0eaa70eccb846a8ddefdecda73d786b15935832 100644 (file)
--- a/src/framework/mlt_multitrack.h
+++ b/src/framework/mlt_multitrack.h
@@ -23,9 +23,33 @@
 
 #include "mlt_producer.h"
 
+/** Private definition.
+*/
+
+struct mlt_track_s
+{
+       mlt_producer producer;
+       mlt_event event;
+};
+
+typedef struct mlt_track_s *mlt_track;
+
+struct mlt_multitrack_s
+{
+       // We're extending producer here
+       struct mlt_producer_s parent;
+       mlt_track *list;
+       int size;
+       int count;
+};
+
 /** Public final methods
 */
 
+#define MLT_MULTITRACK_PRODUCER( multitrack )  ( &( multitrack )->parent )
+#define MLT_MULTITRACK_SERVICE( multitrack )   MLT_PRODUCER_SERVICE( MLT_MULTITRACK_PRODUCER( multitrack ) )
+#define MLT_MULTITRACK_PROPERTIES( multitrack )        MLT_SERVICE_PROPERTIES( MLT_MULTITRACK_SERVICE( multitrack ) )
+
 extern mlt_multitrack mlt_multitrack_init( );
 extern mlt_producer mlt_multitrack_producer( mlt_multitrack self );
 extern mlt_service mlt_multitrack_service( mlt_multitrack self );