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Complete methods for properties and playlist; reversed NULL handling on service class
[mlt] / 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