research.m1stereo.tv/gitweb/ - melted/blob - src/framework/mlt_events.h

   1 /*
   2  * mlt_events.h -- event handling
   3  * Copyright (C) 2004-2005 Ushodaya Enterprises Limited
   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 General Public License as published by
   8  * 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 #ifndef _MLT_EVENTS_H_
  22 #define _MLT_EVENTS_H_
  23
  24 #include "mlt_types.h"
  25
  26 typedef void ( *mlt_transmitter )( );
  27 typedef void ( *mlt_listener )( );
  28
  29 extern void mlt_events_init( mlt_properties self );
  30 extern int mlt_events_register( mlt_properties self, char *id, mlt_transmitter transmitter );
  31 extern void mlt_events_fire( mlt_properties self, char *id, ... );
  32 extern mlt_event mlt_events_listen( mlt_properties self, void *service, char *id, mlt_listener listener );
  33 extern void mlt_events_block( mlt_properties self, void *service );
  34 extern void mlt_events_unblock( mlt_properties self, void *service );
  35 extern void mlt_events_disconnect( mlt_properties self, void *service );
  36
  37 extern void mlt_event_inc_ref( mlt_event self );
  38 extern void mlt_event_block( mlt_event self );
  39 extern void mlt_event_unblock( mlt_event self );
  40 extern void mlt_event_close( mlt_event self );
  41
  42 #endif
  43