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 ClipInfo
  31         {
  32                 public:
  33                         ClipInfo( mlt_playlist_clip_info *info );
  34                         ~ClipInfo( );
  35                         int clip;
  36                         Producer *producer;
  37                         Service *service;
  38                         mlt_position start;
  39                         char *resource;
  40                         mlt_position frame_in;
  41                         mlt_position frame_out;
  42                         mlt_position frame_count;
  43                         mlt_position length;
  44                         float fps;
  45         };
  46
  47         class Playlist : public Producer
  48         {
  49                 public:
  50                         virtual mlt_playlist get_playlist( ) = 0;
  51                         mlt_producer get_producer( );
  52                         int count( );
  53                         int clear( );
  54                         int append( Producer &producer, mlt_position in = -1, mlt_position out = -1 );
  55                         int blank( mlt_position length );
  56                         mlt_position clip( mlt_whence whence, int index );
  57                         int current_clip( );
  58                         Producer *current( );
  59                         ClipInfo *clip_info( int index );
  60                         int insert( Producer &producer, int where, mlt_position in = -1, mlt_position out = -1 );
  61                         int remove( int where );
  62                         int move( int from, int to );
  63                         int resize_clip( int clip, mlt_position in, mlt_position out );
  64         };
  65
  66         class PlaylistInstance : public Playlist
  67         {
  68                 private:
  69                         bool destroy;
  70                         mlt_playlist instance;
  71                 public:
  72                         mlt_playlist get_playlist( );
  73                         PlaylistInstance( );
  74                         PlaylistInstance( Playlist &playlist );
  75                         PlaylistInstance( mlt_playlist playlist );
  76                         virtual ~PlaylistInstance( );
  77         };
  78 }
  79
  80 #endif