research.m1stereo.tv/gitweb/ - melted/blob - mlt/src/framework/mlt_consumer.c

   1 /*
   2  * mlt_consumer.c -- abstraction for all consumer services
   3  * Copyright (C) 2003-2004 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 #include "config.h"
  22 #include "mlt_consumer.h"
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26
  27 /** Public final methods
  28 */
  29
  30 int mlt_consumer_init( mlt_consumer this, void *child )
  31 {
  32         memset( this, 0, sizeof( struct mlt_consumer_s ) );
  33         this->child = child;
  34         return mlt_service_init( &this->parent, this );
  35 }
  36
  37 /** Get the parent service object.
  38 */
  39
  40 mlt_service mlt_consumer_service( mlt_consumer this )
  41 {
  42         return &this->parent;
  43 }
  44
  45 /** Connect the consumer to the producer.
  46 */
  47
  48 int mlt_consumer_connect( mlt_consumer this, mlt_service producer )
  49 {
  50         return mlt_service_connect_producer( &this->parent, producer, 0 );
  51 }
  52
  53 /** Close the consumer.
  54 */
  55
  56 void mlt_consumer_close( mlt_consumer this )
  57 {
  58         if ( this->close != NULL )
  59                 this->close( this );
  60         else
  61                 mlt_service_close( &this->parent );
  62 }
  63