research.m1stereo.tv/gitweb/ - melted/blob - src/framework/mlt_playlist.h

   1 /*
   2  * mlt_playlist.h -- playlist service class
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef _MLT_PLAYLIST_H_
  22 #define _MLT_PLAYLIST_H_
  23
  24 #include "mlt_producer.h"
  25
  26 /** Structure for returning clip information.
  27 */
  28
  29 typedef struct
  30 {
  31         int clip;
  32         mlt_producer producer;
  33         mlt_producer cut;
  34         mlt_position start;
  35         char *resource;
  36         mlt_position frame_in;
  37         mlt_position frame_out;
  38         mlt_position frame_count;
  39         mlt_position length;
  40         float fps;
  41         int repeat;
  42 }
  43 mlt_playlist_clip_info;
  44
  45 /** Public final methods
  46 */
  47
  48 extern mlt_playlist mlt_playlist_init( );
  49 extern mlt_producer mlt_playlist_producer( mlt_playlist self );
  50 extern mlt_service mlt_playlist_service( mlt_playlist self );
  51 extern mlt_properties mlt_playlist_properties( mlt_playlist self );
  52 extern int mlt_playlist_count( mlt_playlist self );
  53 extern int mlt_playlist_clear( mlt_playlist self );
  54 extern int mlt_playlist_append( mlt_playlist self, mlt_producer producer );
  55 extern int mlt_playlist_append_io( mlt_playlist self, mlt_producer producer, mlt_position in, mlt_position out );
  56 extern int mlt_playlist_blank( mlt_playlist self, mlt_position length );
  57 extern mlt_position mlt_playlist_clip( mlt_playlist self, mlt_whence whence, int index );
  58 extern int mlt_playlist_current_clip( mlt_playlist self );
  59 extern mlt_producer mlt_playlist_current( mlt_playlist self );
  60 extern int mlt_playlist_get_clip_info( mlt_playlist self, mlt_playlist_clip_info *info, int index );
  61 extern int mlt_playlist_insert( mlt_playlist self, mlt_producer producer, int where, mlt_position in, mlt_position out );
  62 extern int mlt_playlist_remove( mlt_playlist self, int where );
  63 extern int mlt_playlist_move( mlt_playlist self, int from, int to );
  64 extern int mlt_playlist_resize_clip( mlt_playlist self, int clip, mlt_position in, mlt_position out );
  65 extern int mlt_playlist_repeat_clip( mlt_playlist self, int clip, int repeat );
  66 extern int mlt_playlist_split( mlt_playlist self, int clip, mlt_position position );
  67 extern int mlt_playlist_join( mlt_playlist self, int clip, int count, int merge );
  68 extern int mlt_playlist_mix( mlt_playlist self, int clip, int length, mlt_transition transition );
  69 extern int mlt_playlist_mix_add( mlt_playlist self, int clip, mlt_transition transition );
  70 extern mlt_producer mlt_playlist_get_clip( mlt_playlist self, int clip );
  71 extern mlt_producer mlt_playlist_get_clip_at( mlt_playlist self, int position );
  72 extern int mlt_playlist_get_clip_index_at( mlt_playlist self, int position );
  73 extern int mlt_playlist_clip_is_mix( mlt_playlist self, int clip );
  74 extern void mlt_playlist_consolidate_blanks( mlt_playlist self, int keep_length );
  75 extern int mlt_playlist_is_blank( mlt_playlist self, int clip );
  76 extern mlt_producer mlt_playlist_replace_with_blank( mlt_playlist self, int clip );
  77 extern void mlt_playlist_close( mlt_playlist self );
  78
  79 #endif
  80