research.m1stereo.tv/gitweb/ - melted/blob - src/modules/gtk2/factory.c

   1 /*
   2  * factory.c -- the factory method interfaces
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include <string.h>
  23 #include <framework/mlt.h>
  24 #include <gdk/gdk.h>
  25
  26 #ifdef USE_PIXBUF
  27 extern mlt_producer producer_pixbuf_init( char *filename );
  28 extern mlt_filter filter_rescale_init( mlt_profile profile, char *arg );
  29 #endif
  30
  31 #ifdef USE_GTK2
  32 extern mlt_consumer consumer_gtk2_preview_init( mlt_profile profile, void *widget );
  33 #endif
  34
  35 #ifdef USE_PANGO
  36 extern mlt_producer producer_pango_init( const char *filename );
  37 #endif
  38
  39 static void initialise( )
  40 {
  41         static int init = 0;
  42         if ( init == 0 )
  43         {
  44                 init = 1;
  45                 g_type_init( );
  46         }
  47 }
  48
  49 void *mlt_create_producer( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
  50 {
  51         initialise( );
  52
  53 #ifdef USE_PIXBUF
  54         if ( !strcmp( id, "pixbuf" ) )
  55                 return producer_pixbuf_init( arg );
  56 #endif
  57
  58 #ifdef USE_PANGO
  59         if ( !strcmp( id, "pango" ) )
  60                 return producer_pango_init( arg );
  61 #endif
  62
  63         return NULL;
  64 }
  65
  66 void *mlt_create_filter( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
  67 {
  68         initialise( );
  69
  70 #ifdef USE_PIXBUF
  71         if ( !strcmp( id, "gtkrescale" ) )
  72                 return filter_rescale_init( profile, arg );
  73 #endif
  74
  75         return NULL;
  76 }
  77
  78 void *mlt_create_transition( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
  79 {
  80         return NULL;
  81 }
  82
  83 void *mlt_create_consumer( mlt_profile profile, mlt_service_type type, const char *id, void *arg )
  84 {
  85         initialise( );
  86
  87 #ifdef USE_GTK2
  88         if ( !strcmp( id, "gtk2_preview" ) )
  89                 return consumer_gtk2_preview_init( profile, arg );
  90 #endif
  91
  92         return NULL;
  93 }
  94