struct mlt_transition_s
{
- // We're implementing service here
+ /* We're implementing service here */
struct mlt_service_s parent;
- // public virtual
+ /* public virtual */
void ( *close )( mlt_transition );
- // protected transition method
+ /* protected transition method */
mlt_frame ( *process )( mlt_transition, mlt_frame, mlt_frame );
- // Protected
+ /* Protected */
void *child;
- // track and in/out points
+ /* track and in/out points */
mlt_service producer;
- int a_track;
- int b_track;
- mlt_timecode in;
- mlt_timecode out;
- // Private
- mlt_frame a_frame;
- mlt_frame b_frame;
+ /* Private */
+ mlt_frame *frames;
+ int held;
};
/** Public final methods
*/
-extern int mlt_transition_init( mlt_transition this, void *child );
-extern mlt_service mlt_transition_service( mlt_transition this );
-extern mlt_properties mlt_transition_properties( mlt_transition this );
-extern int mlt_transition_connect( mlt_transition this, mlt_service producer, int a_track, int b_track );
-extern void mlt_transition_set_in_and_out( mlt_transition this, mlt_timecode in, mlt_timecode out );
-extern int mlt_transition_get_a_track( mlt_transition this );
-extern int mlt_transition_get_b_track( mlt_transition this );
-extern mlt_timecode mlt_transition_get_in( mlt_transition this );
-extern mlt_timecode mlt_transition_get_out( mlt_transition this );
-extern void mlt_transition_close( mlt_transition this );
+#define MLT_TRANSITION_SERVICE( transition ) ( &( transition )->parent )
+#define MLT_TRANSITION_PROPERTIES( transition ) MLT_SERVICE_PROPERTIES( MLT_TRANSITION_SERVICE( transition ) )
+
+extern int mlt_transition_init( mlt_transition self, void *child );
+extern mlt_transition mlt_transition_new( );
+extern mlt_service mlt_transition_service( mlt_transition self );
+extern mlt_properties mlt_transition_properties( mlt_transition self );
+extern int mlt_transition_connect( mlt_transition self, mlt_service producer, int a_track, int b_track );
+extern void mlt_transition_set_in_and_out( mlt_transition self, mlt_position in, mlt_position out );
+extern int mlt_transition_get_a_track( mlt_transition self );
+extern int mlt_transition_get_b_track( mlt_transition self );
+extern mlt_position mlt_transition_get_in( mlt_transition self );
+extern mlt_position mlt_transition_get_out( mlt_transition self );
+extern mlt_frame mlt_transition_process( mlt_transition self, mlt_frame a_frame, mlt_frame b_frame );
+extern void mlt_transition_close( mlt_transition self );
#endif