X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_tractor.h;h=da0030a67f2cb462f609765b9ac6a2c386ac88b0;hb=f00476101550ec7d8e863f6516aa83bc1b524570;hp=b9e606ffc26e2db88f800cc9da38ce6b35602a96;hpb=5f8f3adaf7cc01a161092ea272f50279a7ad971a;p=melted

diff --git a/src/framework/mlt_tractor.h b/src/framework/mlt_tractor.h
index b9e606f..da0030a 100644
--- a/src/framework/mlt_tractor.h
+++ b/src/framework/mlt_tractor.h
@@ -23,6 +23,19 @@
 
 #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_tractor mlt_tractor_new( );
 extern mlt_service mlt_tractor_service( mlt_tractor self );