extern mlt_producer mlt_playlist_get_clip_at( mlt_playlist self, int position );
extern int mlt_playlist_get_clip_index_at( mlt_playlist self, int position );
extern int mlt_playlist_clip_is_mix( mlt_playlist self, int clip );
+extern void mlt_playlist_consolidate_blanks( mlt_playlist self, int keep_length );
+extern int mlt_playlist_is_blank( mlt_playlist self, int clip );
+extern mlt_producer mlt_playlist_replace_with_blank( mlt_playlist self, int clip );
extern void mlt_playlist_close( mlt_playlist self );
#endif