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[melted] / src / framework / mlt_transition.h

diff --git a/src/framework/mlt_transition.h b/src/framework/mlt_transition.h
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+/*
+ * mlt_transition.h -- abstraction for all transition services
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _MLT_TRANSITION_H_
+#define _MLT_TRANSITION_H_
+
+#include "mlt_service.h"
+
+/** The interface definition for all transitions.
+*/
+
+struct mlt_transition_s
+{
+       // We're implementing service here
+       struct mlt_service_s parent;
+
+       // public virtual
+       void ( *close )( mlt_transition );
+
+       // protected transition method
+       mlt_frame ( *process )( mlt_transition, mlt_frame, mlt_frame );
+
+       // Protected
+       void *child;
+       
+       // 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;
+};
+
+/** Public final methods
+*/
+
+extern int mlt_transition_init( mlt_transition this, void *child );
+extern mlt_service mlt_transition_service( 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_transitition_close( mlt_transition this );
+
+#endif