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

   1 /**
   2  * MltPlaylist.cpp - 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 #include <string.h>
  22 #include <stdlib.h>
  23 #include "MltPlaylist.h"
  24 using namespace Mlt;
  25
  26 ClipInfo::ClipInfo( mlt_playlist_clip_info *info ) :
  27         clip( info->clip ),
  28         producer( new Producer( info->producer ) ),
  29         service( new Service( info->service ) ),
  30         start( info->start ),
  31         resource( strdup( info->resource ) ),
  32         frame_in( info->frame_in ),
  33         frame_out( info->frame_out ),
  34         frame_count( info->frame_count ),
  35         length( info->length ),
  36         fps( info->fps )
  37 {
  38 }
  39
  40 ClipInfo::ClipInfo( Playlist &playlist, int index )
  41 {
  42         mlt_playlist_clip_info info;
  43         mlt_playlist_get_clip_info( playlist.get_playlist( ), &info, index );
  44         clip = info.clip;
  45         producer = new Producer( info.producer );
  46         service = new Service( info.service );
  47         start = info.start;
  48         resource = strdup( info.resource );
  49         frame_in = info.frame_in;
  50         frame_out = info.frame_out;
  51         frame_count = info.frame_count;
  52         length = info.length;
  53         fps = info.fps;
  54 }
  55
  56 ClipInfo::~ClipInfo( )
  57 {
  58         delete producer;
  59         delete service;
  60         free( resource );
  61 }
  62
  63 Playlist::Playlist( ) :
  64         destroy( true ),
  65         instance( NULL )
  66 {
  67         instance = mlt_playlist_init( );
  68 }
  69
  70 Playlist::Playlist( Playlist &playlist ) :
  71         destroy( false ),
  72         instance( playlist.get_playlist( ) )
  73 {
  74 }
  75
  76 Playlist::Playlist( mlt_playlist playlist ) :
  77         destroy( false ),
  78         instance( playlist )
  79 {
  80 }
  81
  82 Playlist::~Playlist( )
  83 {
  84         if ( destroy )
  85                 mlt_playlist_close( instance );
  86 }
  87
  88 mlt_playlist Playlist::get_playlist( )
  89 {
  90         return instance;
  91 }
  92
  93 mlt_producer Playlist::get_producer( )
  94 {
  95         return mlt_playlist_producer( get_playlist( ) );
  96 }
  97
  98 int Playlist::count( )
  99 {
 100         return mlt_playlist_count( get_playlist( ) );
 101 }
 102
 103 int Playlist::clear( )
 104 {
 105         return mlt_playlist_clear( get_playlist( ) );
 106 }
 107
 108 int Playlist::append( Producer &producer, mlt_position in, mlt_position out )
 109 {
 110         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
 111 }
 112
 113 int Playlist::blank( mlt_position length )
 114 {
 115         return mlt_playlist_blank( get_playlist( ), length );
 116 }
 117
 118 mlt_position Playlist::clip( mlt_whence whence, int index )
 119 {
 120         return mlt_playlist_clip( get_playlist( ), whence, index );
 121 }
 122
 123 int Playlist::current_clip( )
 124 {
 125         return mlt_playlist_current_clip( get_playlist( ) );
 126 }
 127
 128 Producer *Playlist::current( )
 129 {
 130         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 131 }
 132
 133 ClipInfo *Playlist::clip_info( int index )
 134 {
 135         mlt_playlist_clip_info info;
 136         mlt_playlist_get_clip_info( get_playlist( ), &info, index );
 137         return new ClipInfo( &info );
 138 }
 139
 140 int Playlist::insert( Producer &producer, int where, mlt_position in, mlt_position out )
 141 {
 142         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 143 }
 144
 145 int Playlist::remove( int where )
 146 {
 147         return mlt_playlist_remove( get_playlist( ), where );
 148 }
 149
 150 int Playlist::move( int from, int to )
 151 {
 152         return mlt_playlist_move( get_playlist( ), from, to );
 153 }
 154
 155 int Playlist::resize_clip( int clip, mlt_position in, mlt_position out )
 156 {
 157         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 158 }
 159
 160