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         cut( new Producer( info->cut ) ),
  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         repeat( info->repeat )
  39 {
  40 }
  41
  42 ClipInfo::~ClipInfo( )
  43 {
  44         delete producer;
  45         delete cut;
  46         free( resource );
  47 }
  48
  49 Playlist::Playlist( ) :
  50         instance( NULL )
  51 {
  52         instance = mlt_playlist_init( );
  53 }
  54
  55 Playlist::Playlist( Service &producer ) :
  56         instance( NULL )
  57 {
  58         if ( producer.type( ) == playlist_type )
  59         {
  60                 instance = ( mlt_playlist )producer.get_service( );
  61                 inc_ref( );
  62         }
  63 }
  64
  65 Playlist::Playlist( Playlist &playlist ) :
  66         instance( playlist.get_playlist( ) )
  67 {
  68         inc_ref( );
  69 }
  70
  71 Playlist::Playlist( mlt_playlist playlist ) :
  72         instance( playlist )
  73 {
  74         inc_ref( );
  75 }
  76
  77 Playlist::~Playlist( )
  78 {
  79         mlt_playlist_close( instance );
  80 }
  81
  82 mlt_playlist Playlist::get_playlist( )
  83 {
  84         return instance;
  85 }
  86
  87 mlt_producer Playlist::get_producer( )
  88 {
  89         return mlt_playlist_producer( get_playlist( ) );
  90 }
  91
  92 int Playlist::count( )
  93 {
  94         return mlt_playlist_count( get_playlist( ) );
  95 }
  96
  97 int Playlist::clear( )
  98 {
  99         return mlt_playlist_clear( get_playlist( ) );
 100 }
 101
 102 int Playlist::append( Producer &producer, int in, int out )
 103 {
 104         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
 105 }
 106
 107 int Playlist::blank( int length )
 108 {
 109         return mlt_playlist_blank( get_playlist( ), length );
 110 }
 111
 112 int Playlist::clip( mlt_whence whence, int index )
 113 {
 114         return mlt_playlist_clip( get_playlist( ), whence, index );
 115 }
 116
 117 int Playlist::current_clip( )
 118 {
 119         return mlt_playlist_current_clip( get_playlist( ) );
 120 }
 121
 122 Producer *Playlist::current( )
 123 {
 124         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 125 }
 126
 127 ClipInfo *Playlist::clip_info( int index )
 128 {
 129         mlt_playlist_clip_info info;
 130         mlt_playlist_get_clip_info( get_playlist( ), &info, index );
 131         return new ClipInfo( &info );
 132 }
 133
 134 int Playlist::insert( Producer &producer, int where, int in, int out )
 135 {
 136         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 137 }
 138
 139 int Playlist::remove( int where )
 140 {
 141         return mlt_playlist_remove( get_playlist( ), where );
 142 }
 143
 144 int Playlist::move( int from, int to )
 145 {
 146         return mlt_playlist_move( get_playlist( ), from, to );
 147 }
 148
 149 int Playlist::resize_clip( int clip, int in, int out )
 150 {
 151         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 152 }
 153
 154 int Playlist::split( int clip, int position )
 155 {
 156         return mlt_playlist_split( get_playlist( ), clip, position );
 157 }
 158
 159 int Playlist::join( int clip, int count, int merge )
 160 {
 161         return mlt_playlist_join( get_playlist( ), clip, count, merge );
 162 }
 163
 164 int Playlist::mix( int clip, int length, Transition *transition )
 165 {
 166         return mlt_playlist_mix( get_playlist( ), clip, length, transition == NULL ? NULL : transition->get_transition( ) );
 167 }
 168
 169 int Playlist::repeat( int clip, int count )
 170 {
 171         return mlt_playlist_repeat_clip( get_playlist( ), clip, count );
 172 }