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 "MltPlaylist.h"
  22 using namespace Mlt;
  23
  24 mlt_producer Playlist::get_producer( )
  25 {
  26         return mlt_playlist_producer( get_playlist( ) );
  27 }
  28
  29 int Playlist::count( )
  30 {
  31         return mlt_playlist_count( get_playlist( ) );
  32 }
  33
  34 int Playlist::clear( )
  35 {
  36         return mlt_playlist_clear( get_playlist( ) );
  37 }
  38
  39 int Playlist::append( Producer &producer, mlt_position in, mlt_position out )
  40 {
  41         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
  42 }
  43
  44 int Playlist::blank( mlt_position length )
  45 {
  46         return mlt_playlist_blank( get_playlist( ), length );
  47 }
  48
  49 mlt_playlist PlaylistInstance::get_playlist( )
  50 {
  51         return instance;
  52 }
  53
  54 PlaylistInstance::PlaylistInstance( ) :
  55         destroy( true ),
  56         instance( NULL )
  57 {
  58         instance = mlt_playlist_init( );
  59 }
  60
  61 PlaylistInstance::PlaylistInstance( Playlist &playlist ) :
  62         destroy( false ),
  63         instance( playlist.get_playlist( ) )
  64 {
  65 }
  66
  67 PlaylistInstance::PlaylistInstance( mlt_playlist playlist ) :
  68         destroy( false ),
  69         instance( playlist )
  70 {
  71 }
  72
  73 PlaylistInstance::~PlaylistInstance( )
  74 {
  75         if ( destroy )
  76                 mlt_playlist_close( instance );
  77 }
  78