typedef void ( *mlt_destructor )( void * ); /**< pointer to destructor function */
typedef char *( *mlt_serialiser )( void *, int length );/**< pointer to serialization function */
-#define MLT_SERVICE(x) ( ( mlt_service )( x ) ) /**< Cast to a Service pointer */
-#define MLT_PRODUCER(x) ( ( mlt_producer )( x ) ) /**< Cast to a Producer pointer */
+#define MLT_SERVICE(x) ( ( mlt_service )( x ) ) /**< Cast to a Service pointer */
+#define MLT_PRODUCER(x) ( ( mlt_producer )( x ) ) /**< Cast to a Producer pointer */
#define MLT_MULTITRACK(x) ( ( mlt_multitrack )( x ) ) /**< Cast to a Multitrack pointer */
-#define MLT_PLAYLIST(x) ( ( mlt_playlist )( x ) ) /**< Cast to a Playlist pointer */
-#define MLT_TRACTOR(x) ( ( mlt_tractor )( x ) ) /**< Cast to a Tractor pointer */
-#define MLT_FILTER(x) ( ( mlt_filter )( x ) ) /**< Cast to a Filter pointer */
+#define MLT_PLAYLIST(x) ( ( mlt_playlist )( x ) ) /**< Cast to a Playlist pointer */
+#define MLT_TRACTOR(x) ( ( mlt_tractor )( x ) ) /**< Cast to a Tractor pointer */
+#define MLT_FILTER(x) ( ( mlt_filter )( x ) ) /**< Cast to a Filter pointer */
#define MLT_TRANSITION(x) ( ( mlt_transition )( x ) ) /**< Cast to a Transition pointer */
#define MLT_CONSUMER(x) ( ( mlt_consumer )( x ) ) /**< Cast to a Consumer pointer */
+#define MLT_FRAME(x) ( ( mlt_frame )( x ) ) /**< Cast to a Frame pointer */
#endif