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

   1 /**
   2  * MltProducer.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 "MltProducer.h"
  22 using namespace Mlt;
  23
  24 Producer::Producer( ) :
  25         destroy( false ),
  26         instance( NULL )
  27 {
  28 }
  29
  30 Producer::Producer( char *id, char *service ) :
  31         destroy( true ),
  32         instance( NULL )
  33 {
  34         if ( id != NULL && service != NULL )
  35                 instance = mlt_factory_producer( id, service );
  36         else
  37                 instance = mlt_factory_producer( "fezzik", id != NULL ? id : service );
  38 }
  39
  40 Producer::Producer( mlt_producer producer ) :
  41         destroy( false ),
  42         instance( producer )
  43 {
  44 }
  45
  46 Producer::Producer( Producer &producer ) :
  47         destroy( false ),
  48         instance( producer.get_producer( ) )
  49 {
  50 }
  51
  52 Producer::~Producer( )
  53 {
  54         if ( destroy )
  55                 mlt_producer_close( instance );
  56 }
  57
  58 mlt_producer Producer::get_producer( )
  59 {
  60         return instance;
  61 }
  62
  63 mlt_service Producer::get_service( )
  64 {
  65         return mlt_producer_service( get_producer( ) );
  66 }
  67
  68 int Producer::seek( mlt_position position )
  69 {
  70         return mlt_producer_seek( get_producer( ), position );
  71 }
  72
  73 mlt_position Producer::position( )
  74 {
  75         return mlt_producer_position( get_producer( ) );
  76 }
  77
  78 mlt_position Producer::frame( )
  79 {
  80         return mlt_producer_frame( get_producer( ) );
  81 }
  82
  83 int Producer::set_speed( double speed )
  84 {
  85         return mlt_producer_set_speed( get_producer( ), speed );
  86 }
  87
  88 double Producer::get_speed( )
  89 {
  90         return mlt_producer_get_speed( get_producer( ) );
  91 }
  92
  93 double Producer::get_fps( )
  94 {
  95         return mlt_producer_get_fps( get_producer( ) );
  96 }
  97
  98 int Producer::set_in_and_out( mlt_position in, mlt_position out )
  99 {
 100         return mlt_producer_set_in_and_out( get_producer( ), in, out );
 101 }
 102
 103 mlt_position Producer::get_in( )
 104 {
 105         return mlt_producer_get_in( get_producer( ) );
 106 }
 107
 108 mlt_position Producer::get_out( )
 109 {
 110         return mlt_producer_get_out( get_producer( ) );
 111 }
 112
 113 mlt_position Producer::get_length( )
 114 {
 115         return mlt_producer_get_length( get_producer( ) );
 116 }
 117
 118 mlt_position Producer::get_playtime( )
 119 {
 120         return mlt_producer_get_playtime( get_producer( ) );
 121 }
 122