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 #include "MltFilter.h"
  23 using namespace Mlt;
  24
  25 Producer::Producer( ) :
  26         instance( NULL )
  27 {
  28 }
  29
  30 Producer::Producer( char *id, char *service ) :
  31         instance( NULL )
  32 {
  33         if ( id != NULL && service != NULL )
  34                 instance = mlt_factory_producer( id, service );
  35         else
  36                 instance = mlt_factory_producer( "fezzik", id != NULL ? id : service );
  37 }
  38
  39 Producer::Producer( mlt_producer producer ) :
  40         instance( producer )
  41 {
  42         inc_ref( );
  43 }
  44
  45 Producer::Producer( Producer &producer ) :
  46         instance( producer.get_producer( ) )
  47 {
  48         inc_ref( );
  49 }
  50
  51 Producer::~Producer( )
  52 {
  53         mlt_producer_close( instance );
  54 }
  55
  56 mlt_producer Producer::get_producer( )
  57 {
  58         return instance;
  59 }
  60
  61 mlt_service Producer::get_service( )
  62 {
  63         return mlt_producer_service( get_producer( ) );
  64 }
  65
  66 int Producer::seek( int position )
  67 {
  68         return mlt_producer_seek( get_producer( ), position );
  69 }
  70
  71 int Producer::position( )
  72 {
  73         return mlt_producer_position( get_producer( ) );
  74 }
  75
  76 int Producer::frame( )
  77 {
  78         return mlt_producer_frame( get_producer( ) );
  79 }
  80
  81 int Producer::set_speed( double speed )
  82 {
  83         return mlt_producer_set_speed( get_producer( ), speed );
  84 }
  85
  86 double Producer::get_speed( )
  87 {
  88         return mlt_producer_get_speed( get_producer( ) );
  89 }
  90
  91 double Producer::get_fps( )
  92 {
  93         return mlt_producer_get_fps( get_producer( ) );
  94 }
  95
  96 int Producer::set_in_and_out( int in, int out )
  97 {
  98         return mlt_producer_set_in_and_out( get_producer( ), in, out );
  99 }
 100
 101 int Producer::get_in( )
 102 {
 103         return mlt_producer_get_in( get_producer( ) );
 104 }
 105
 106 int Producer::get_out( )
 107 {
 108         return mlt_producer_get_out( get_producer( ) );
 109 }
 110
 111 int Producer::get_length( )
 112 {
 113         return mlt_producer_get_length( get_producer( ) );
 114 }
 115
 116 int Producer::get_playtime( )
 117 {
 118         return mlt_producer_get_playtime( get_producer( ) );
 119 }
 120
 121 int Producer::attach( Filter &filter )
 122 {
 123         return mlt_producer_attach( get_producer( ), filter.get_filter( ) );
 124 }
 125
 126 int Producer::detach( Filter &filter )
 127 {
 128         return mlt_producer_detach( get_producer( ), filter.get_filter( ) );
 129 }