research.m1stereo.tv/gitweb/ - melted/blob - mlt++/src/MltPlaylist.h

   1 /**
   2  * MltPlaylist.h - MLT Wrapper
   3  * Copyright (C) 2004-2005 Charles Yates
   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 Lesser General Public License as published
   8  * by 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 _MLTPP_PLAYLIST_H_
  22 #define _MLTPP_PLAYLIST_H_
  23
  24 #include <framework/mlt.h>
  25
  26 #include "MltProducer.h"
  27
  28 namespace Mlt
  29 {
  30         class Producer;
  31         class Service;
  32         class Playlist;
  33         class Transition;
  34
  35         class ClipInfo
  36         {
  37                 public:
  38                         ClipInfo( );
  39                         ClipInfo( mlt_playlist_clip_info *info );
  40                         ~ClipInfo( );
  41                         void update( mlt_playlist_clip_info *info );
  42                         int clip;
  43                         Producer *producer;
  44                         Producer *cut;
  45                         int start;
  46                         char *resource;
  47                         int frame_in;
  48                         int frame_out;
  49                         int frame_count;
  50                         int length;
  51                         float fps;
  52                         int repeat;
  53         };
  54
  55         class Playlist : public Producer
  56         {
  57                 private:
  58                         mlt_playlist instance;
  59                 public:
  60                         Playlist( );
  61                         Playlist( Service &playlist );
  62                         Playlist( Playlist &playlist );
  63                         Playlist( mlt_playlist playlist );
  64                         virtual ~Playlist( );
  65                         virtual mlt_playlist get_playlist( );
  66                         mlt_producer get_producer( );
  67                         int count( );
  68                         int clear( );
  69                         int append( Producer &producer, int in = -1, int out = -1 );
  70                         int blank( int length );
  71                         int clip( mlt_whence whence, int index );
  72                         int current_clip( );
  73                         Producer *current( );
  74                         ClipInfo *clip_info( int index, ClipInfo *info = NULL );
  75                         int insert( Producer &producer, int where, int in = -1, int out = -1 );
  76                         int remove( int where );
  77                         int move( int from, int to );
  78                         int resize_clip( int clip, int in, int out );
  79                         int split( int clip, int position );
  80                         int split_at( int position, bool left = true );
  81                         int join( int clip, int count = 1, int merge = 1 );
  82                         int mix( int clip, int length, Transition *transition = NULL );
  83                         int mix_add( int clip, Transition *transition );
  84                         int repeat( int clip, int count );
  85                         Producer *get_clip( int clip );
  86                         Producer *get_clip_at( int position );
  87                         int get_clip_index_at( int position );
  88                         bool is_mix( int clip );
  89                         bool is_blank( int clip );
  90                         void consolidate_blanks( int keep_length = 0 );
  91                         Producer *replace_with_blank( int clip );
  92                         void insert_blank( int clip, int length );
  93                         void pad_blanks( int position, int length, int find = 0 );
  94                         int insert_at( int position, Producer *producer, int mode = 0 );
  95                         int insert_at( int position, Producer &producer, int mode = 0 );
  96                         int clip_start( int clip );
  97                         int clip_length( int clip );
  98                         int blanks_from( int clip, int bounded = 0 );
  99                         int remove_region( int position, int length );
 100                         int move_region( int position, int length, int new_position );
 101         };
 102 }
 103
 104 #endif