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 #include "MltTransition.h"
  25 using namespace Mlt;
  26
  27 ClipInfo::ClipInfo( mlt_playlist_clip_info *info ) :
  28         clip( info->clip ),
  29         producer( new Producer( info->producer ) ),
  30         service( new Service( info->service ) ),
  31         start( info->start ),
  32         resource( strdup( info->resource ) ),
  33         frame_in( info->frame_in ),
  34         frame_out( info->frame_out ),
  35         frame_count( info->frame_count ),
  36         length( info->length ),
  37         fps( info->fps )
  38 {
  39 }
  40
  41 ClipInfo::~ClipInfo( )
  42 {
  43         delete producer;
  44         delete service;
  45         free( resource );
  46 }
  47
  48 Playlist::Playlist( ) :
  49         instance( NULL )
  50 {
  51         instance = mlt_playlist_init( );
  52 }
  53
  54 Playlist::Playlist( Service &producer ) :
  55         instance( NULL )
  56 {
  57         if ( producer.type( ) == playlist_type )
  58         {
  59                 instance = ( mlt_playlist )producer.get_service( );
  60                 inc_ref( );
  61         }
  62 }
  63
  64 Playlist::Playlist( Playlist &playlist ) :
  65         instance( playlist.get_playlist( ) )
  66 {
  67         inc_ref( );
  68 }
  69
  70 Playlist::Playlist( mlt_playlist playlist ) :
  71         instance( playlist )
  72 {
  73         inc_ref( );
  74 }
  75
  76 Playlist::~Playlist( )
  77 {
  78         mlt_playlist_close( instance );
  79 }
  80
  81 mlt_playlist Playlist::get_playlist( )
  82 {
  83         return instance;
  84 }
  85
  86 mlt_producer Playlist::get_producer( )
  87 {
  88         return mlt_playlist_producer( get_playlist( ) );
  89 }
  90
  91 int Playlist::count( )
  92 {
  93         return mlt_playlist_count( get_playlist( ) );
  94 }
  95
  96 int Playlist::clear( )
  97 {
  98         return mlt_playlist_clear( get_playlist( ) );
  99 }
 100
 101 int Playlist::append( Producer &producer, int in, int out )
 102 {
 103         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
 104 }
 105
 106 int Playlist::blank( int length )
 107 {
 108         return mlt_playlist_blank( get_playlist( ), length );
 109 }
 110
 111 int Playlist::clip( mlt_whence whence, int index )
 112 {
 113         return mlt_playlist_clip( get_playlist( ), whence, index );
 114 }
 115
 116 int Playlist::current_clip( )
 117 {
 118         return mlt_playlist_current_clip( get_playlist( ) );
 119 }
 120
 121 Producer *Playlist::current( )
 122 {
 123         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 124 }
 125
 126 ClipInfo *Playlist::clip_info( int index )
 127 {
 128         mlt_playlist_clip_info info;
 129         mlt_playlist_get_clip_info( get_playlist( ), &info, index );
 130         return new ClipInfo( &info );
 131 }
 132
 133 int Playlist::insert( Producer &producer, int where, int in, int out )
 134 {
 135         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 136 }
 137
 138 int Playlist::remove( int where )
 139 {
 140         return mlt_playlist_remove( get_playlist( ), where );
 141 }
 142
 143 int Playlist::move( int from, int to )
 144 {
 145         return mlt_playlist_move( get_playlist( ), from, to );
 146 }
 147
 148 int Playlist::resize_clip( int clip, int in, int out )
 149 {
 150         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 151 }
 152
 153 int Playlist::split( int clip, int position )
 154 {
 155         return mlt_playlist_split( get_playlist( ), clip, position );
 156 }
 157
 158 int Playlist::join( int clip, int count, int merge )
 159 {
 160         return mlt_playlist_join( get_playlist( ), clip, count, merge );
 161 }
 162
 163 int Playlist::mix( int clip, int length, Transition *transition )
 164 {
 165         return mlt_playlist_mix( get_playlist( ), clip, length, transition == NULL ? NULL : transition->get_transition( ) );
 166 }