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( )
  41 {
  42         delete producer;
  43         delete service;
  44         free( resource );
  45 }
  46
  47 Playlist::Playlist( ) :
  48         instance( NULL )
  49 {
  50         instance = mlt_playlist_init( );
  51 }
  52
  53 Playlist::Playlist( Service &producer ) :
  54         instance( NULL )
  55 {
  56         if ( producer.type( ) == playlist_type )
  57         {
  58                 instance = ( mlt_playlist )producer.get_service( );
  59                 inc_ref( );
  60         }
  61 }
  62
  63 Playlist::Playlist( Playlist &playlist ) :
  64         instance( playlist.get_playlist( ) )
  65 {
  66         inc_ref( );
  67 }
  68
  69 Playlist::Playlist( mlt_playlist playlist ) :
  70         instance( playlist )
  71 {
  72         inc_ref( );
  73 }
  74
  75 Playlist::~Playlist( )
  76 {
  77         mlt_playlist_close( instance );
  78 }
  79
  80 mlt_playlist Playlist::get_playlist( )
  81 {
  82         return instance;
  83 }
  84
  85 mlt_producer Playlist::get_producer( )
  86 {
  87         return mlt_playlist_producer( get_playlist( ) );
  88 }
  89
  90 int Playlist::count( )
  91 {
  92         return mlt_playlist_count( get_playlist( ) );
  93 }
  94
  95 int Playlist::clear( )
  96 {
  97         return mlt_playlist_clear( get_playlist( ) );
  98 }
  99
 100 int Playlist::append( Producer &producer, int in, int out )
 101 {
 102         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
 103 }
 104
 105 int Playlist::blank( int length )
 106 {
 107         return mlt_playlist_blank( get_playlist( ), length );
 108 }
 109
 110 int Playlist::clip( mlt_whence whence, int index )
 111 {
 112         return mlt_playlist_clip( get_playlist( ), whence, index );
 113 }
 114
 115 int Playlist::current_clip( )
 116 {
 117         return mlt_playlist_current_clip( get_playlist( ) );
 118 }
 119
 120 Producer *Playlist::current( )
 121 {
 122         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 123 }
 124
 125 ClipInfo *Playlist::clip_info( int index )
 126 {
 127         mlt_playlist_clip_info info;
 128         mlt_playlist_get_clip_info( get_playlist( ), &info, index );
 129         return new ClipInfo( &info );
 130 }
 131
 132 int Playlist::insert( Producer &producer, int where, int in, int out )
 133 {
 134         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 135 }
 136
 137 int Playlist::remove( int where )
 138 {
 139         return mlt_playlist_remove( get_playlist( ), where );
 140 }
 141
 142 int Playlist::move( int from, int to )
 143 {
 144         return mlt_playlist_move( get_playlist( ), from, to );
 145 }
 146
 147 int Playlist::resize_clip( int clip, int in, int out )
 148 {
 149         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 150 }
 151
 152 int Playlist::split( int clip, int position )
 153 {
 154         return mlt_playlist_split( get_playlist( ), clip, position );
 155 }
 156
 157 int Playlist::join( int clip, int count, int merge )
 158 {
 159         return mlt_playlist_join( get_playlist( ), clip, count, merge );
 160 }