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

   1 /*
   2  * mlt_tractor.h -- tractor service class
   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 #ifndef _MLT_TRACTOR_H_
  22 #define _MLT_TRACTOR_H_
  23
  24 #include "mlt_producer.h"
  25
  26 /** Private structure.
  27 */
  28
  29 struct mlt_tractor_s
  30 {
  31         struct mlt_producer_s parent;
  32         mlt_service producer;
  33 };
  34
  35 #define MLT_TRACTOR_PRODUCER( tractor )         ( &( tractor )->parent )
  36 #define MLT_TRACTOR_SERVICE( tractor )          MLT_PRODUCER_SERVICE( MLT_TRACTOR_PRODUCER( tractor ) )
  37 #define MLT_TRACTOR_PROPERTIES( tractor )       MLT_SERVICE_PROPERTIES( MLT_TRACTOR_SERVICE( tractor ) )
  38
  39 extern mlt_tractor mlt_tractor_init( );
  40 extern mlt_tractor mlt_tractor_new( );
  41 extern mlt_service mlt_tractor_service( mlt_tractor self );
  42 extern mlt_producer mlt_tractor_producer( mlt_tractor self );
  43 extern mlt_properties mlt_tractor_properties( mlt_tractor self );
  44 extern mlt_field mlt_tractor_field( mlt_tractor self );
  45 extern mlt_multitrack mlt_tractor_multitrack( mlt_tractor self );
  46 extern int mlt_tractor_connect( mlt_tractor self, mlt_service service );
  47 extern void mlt_tractor_refresh( mlt_tractor self );
  48 extern int mlt_tractor_set_track( mlt_tractor self, mlt_producer producer, int index );
  49 extern mlt_producer mlt_tractor_get_track( mlt_tractor self, int index );
  50 extern void mlt_tractor_close( mlt_tractor self );
  51
  52 #endif