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

   1 /**
   2  * \file mlt_properties.h
   3  * \brief Properties class declaration
   4  *
   5  * Copyright (C) 2003-2008 Ushodaya Enterprises Limited
   6  * \author Charles Yates <charles.yates@pandora.be>
   7  * \author Dan Dennedy <dan@dennedy.org>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #ifndef _MLT_PROPERTIES_H_
  25 #define _MLT_PROPERTIES_H_
  26
  27 #include "mlt_types.h"
  28 #include "mlt_events.h"
  29 #include <stdio.h>
  30
  31 /** \brief Properties class
  32  *
  33  * Properties is a combination list/dictionary of name/::mlt_property pairs.
  34  * It is also a base class for many of the other MLT classes.
  35  */
  36
  37 struct mlt_properties_s
  38 {
  39         void *child; /**< \private the object of a subclass */
  40         void *local; /**< \private instance object */
  41
  42         /** the destructor virtual function */
  43         mlt_destructor close;
  44         void *close_object;  /**< the object supplied to the close virtual function */
  45 };
  46
  47 extern int mlt_properties_init( mlt_properties, void *child );
  48 extern mlt_properties mlt_properties_new( );
  49 extern mlt_properties mlt_properties_load( const char *file );
  50 extern int mlt_properties_inc_ref( mlt_properties self );
  51 extern int mlt_properties_dec_ref( mlt_properties self );
  52 extern int mlt_properties_ref_count( mlt_properties self );
  53 extern void mlt_properties_mirror( mlt_properties self, mlt_properties that );
  54 extern int mlt_properties_inherit( mlt_properties self, mlt_properties that );
  55 extern int mlt_properties_pass( mlt_properties self, mlt_properties that, const char *prefix );
  56 extern void mlt_properties_pass_property( mlt_properties self, mlt_properties that, const char *name );
  57 extern int mlt_properties_pass_list( mlt_properties self, mlt_properties that, const char *list );
  58 extern int mlt_properties_set( mlt_properties self, const char *name, const char *value );
  59 extern int mlt_properties_set_or_default( mlt_properties self, const char *name, const char *value, const char *def );
  60 extern int mlt_properties_parse( mlt_properties self, const char *namevalue );
  61 extern char *mlt_properties_get( mlt_properties self, const char *name );
  62 extern char *mlt_properties_get_name( mlt_properties self, int index );
  63 extern char *mlt_properties_get_value( mlt_properties self, int index );
  64 extern void *mlt_properties_get_data_at( mlt_properties self, int index, int *size );
  65 extern int mlt_properties_get_int( mlt_properties self, const char *name );
  66 extern int mlt_properties_set_int( mlt_properties self, const char *name, int value );
  67 extern int64_t mlt_properties_get_int64( mlt_properties self, const char *name );
  68 extern int mlt_properties_set_int64( mlt_properties self, const char *name, int64_t value );
  69 extern double mlt_properties_get_double( mlt_properties self, const char *name );
  70 extern int mlt_properties_set_double( mlt_properties self, const char *name, double value );
  71 extern mlt_position mlt_properties_get_position( mlt_properties self, const char *name );
  72 extern int mlt_properties_set_position( mlt_properties self, const char *name, mlt_position value );
  73 extern int mlt_properties_set_data( mlt_properties self, const char *name, void *value, int length, mlt_destructor, mlt_serialiser );
  74 extern void *mlt_properties_get_data( mlt_properties self, const char *name, int *length );
  75 extern int mlt_properties_rename( mlt_properties self, const char *source, const char *dest );
  76 extern int mlt_properties_count( mlt_properties self );
  77 extern void mlt_properties_dump( mlt_properties self, FILE *output );
  78 extern void mlt_properties_debug( mlt_properties self, const char *title, FILE *output );
  79 extern int mlt_properties_save( mlt_properties, const char * );
  80 extern int mlt_properties_dir_list( mlt_properties, const char *, const char *, int );
  81 extern void mlt_properties_close( mlt_properties self );
  82 extern int mlt_properties_is_sequence( mlt_properties self );
  83 extern mlt_properties mlt_properties_parse_yaml( const char *file );
  84 extern char *mlt_properties_serialise_yaml( mlt_properties self );
  85
  86 #endif