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