extern int mlt_playlist_resize_clip( mlt_playlist self, int clip, mlt_position in, mlt_position out );
extern int mlt_playlist_repeat_clip( mlt_playlist self, int clip, int repeat );
extern int mlt_playlist_split( mlt_playlist self, int clip, mlt_position position );
+extern int mlt_playlist_split_at( mlt_playlist self, mlt_position position, int left );
extern int mlt_playlist_join( mlt_playlist self, int clip, int count, int merge );
extern int mlt_playlist_mix( mlt_playlist self, int clip, int length, mlt_transition transition );
extern int mlt_playlist_mix_add( mlt_playlist self, int clip, mlt_transition transition );