X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fframework%2Fmlt_multitrack.h;h=f0eaa70eccb846a8ddefdecda73d786b15935832;hb=f00476101550ec7d8e863f6516aa83bc1b524570;hp=809678c94d00f8ff7ba19311c422b159a683f96b;hpb=90da79f8e465d43102645de7323d15c12801515f;p=mlt

diff --git a/src/framework/mlt_multitrack.h b/src/framework/mlt_multitrack.h
index 809678c9..f0eaa70e 100644
--- 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 );