research.m1stereo.tv/gitweb/ - melted/blob - src/modules/gtk2/consumer_gtk2.c

   1 /*
   2  * consumer_gtk2.c -- A consumer for GTK2 apps
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Charles Yates
   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 "consumer_gtk2.h"
  22
  23 #include <stdlib.h>
  24 #include <framework/mlt_consumer.h>
  25 #include <framework/mlt_factory.h>
  26 #include <gdk/gdk.h>
  27 #include <gdk/gdkx.h>
  28
  29 mlt_consumer consumer_gtk2_preview_init( GtkWidget *widget )
  30 {
  31         // Create an sdl preview consumer
  32         mlt_consumer consumer = NULL;
  33
  34         // This is a nasty little hack which is required by SDL
  35         if ( widget != NULL )
  36         {
  37         Window xwin = GDK_WINDOW_XWINDOW( widget->window );
  38         char windowhack[ 32 ];
  39         sprintf( windowhack, "%ld", xwin );
  40         setenv( "SDL_WINDOWID", windowhack, 1 );
  41         }
  42
  43         // Create an sdl preview consumer
  44         consumer = mlt_factory_consumer( "sdl_preview", NULL );
  45
  46         // Now assign the lock/unlock callbacks
  47         if ( consumer != NULL )
  48         {
  49                 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
  50                 mlt_properties_set_int( properties, "app_locked", 1 );
  51                 mlt_properties_set_data( properties, "app_lock", gdk_threads_enter, 0, NULL, NULL );
  52                 mlt_properties_set_data( properties, "app_unlock", gdk_threads_leave, 0, NULL, NULL );
  53         }
  54
  55         return consumer;
  56 }