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

   1 /**
   2  * MltMultitrack.h - Multitrack 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 "MltMultitrack.h"
  22 #include "MltProducer.h"
  23 using namespace Mlt;
  24
  25 Multitrack::Multitrack( mlt_multitrack multitrack ) :
  26         instance( multitrack )
  27 {
  28         inc_ref( );
  29 }
  30
  31 Multitrack::Multitrack( Service &multitrack ) :
  32         instance( NULL )
  33 {
  34         if ( multitrack.type( ) == multitrack_type )
  35         {
  36                 instance = ( mlt_multitrack )multitrack.get_service( );
  37                 inc_ref( );
  38         }
  39 }
  40
  41 Multitrack::Multitrack( Multitrack &multitrack ) :
  42         Mlt::Producer( multitrack ),
  43         instance( multitrack.get_multitrack( ) )
  44 {
  45         inc_ref( );
  46 }
  47
  48 Multitrack::~Multitrack( )
  49 {
  50         mlt_multitrack_close( instance );
  51 }
  52
  53 mlt_multitrack Multitrack::get_multitrack( )
  54 {
  55         return instance;
  56 }
  57
  58 mlt_producer Multitrack::get_producer( )
  59 {
  60         return mlt_multitrack_producer( get_multitrack( ) );
  61 }
  62
  63 int Multitrack::connect( Producer &producer, int index )
  64 {
  65         return mlt_multitrack_connect( get_multitrack( ), producer.get_producer( ), index );
  66 }
  67
  68 int Multitrack::clip( mlt_whence whence, int index )
  69 {
  70         return mlt_multitrack_clip( get_multitrack( ), whence, index );
  71 }
  72
  73 int Multitrack::count( )
  74 {
  75         return mlt_multitrack_count( get_multitrack( ) );
  76 }
  77
  78 Producer *Multitrack::track( int index )
  79 {
  80         return new Producer( mlt_multitrack_track( get_multitrack( ), index ) );
  81 }
  82
  83 void Multitrack::refresh( )
  84 {
  85         return mlt_multitrack_refresh( get_multitrack( ) );
  86 }