2 * producer_fezzik.c -- a normalising filter
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Charles Yates <charles.yates@pandora.be>
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.
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.
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
28 #include <framework/mlt.h>
30 static mlt_properties dictionary
= NULL
;
31 static mlt_properties normalisers
= NULL
;
33 static mlt_producer
create_from( mlt_profile profile
, char *file
, char *services
)
35 mlt_producer producer
= NULL
;
36 char *temp
= strdup( services
);
40 char *p
= strchr( service
, ',' );
43 producer
= mlt_factory_producer( profile
, service
, file
);
46 while ( producer
== NULL
&& service
!= NULL
);
51 static mlt_producer
create_producer( mlt_profile profile
, char *file
)
53 mlt_producer result
= NULL
;
55 // 1st Line - check for service:resource handling
56 if ( strchr( file
, ':' ) )
58 char *temp
= strdup( file
);
60 char *resource
= strchr( temp
, ':' );
62 result
= mlt_factory_producer( profile
, service
, resource
);
66 // 2nd Line preferences
70 char *lookup
= strdup( file
);
73 // We only need to load the dictionary once
74 if ( dictionary
== NULL
)
77 sprintf( temp
, "%s/fezzik.dict", mlt_environment( "MLT_DATA" ) );
78 dictionary
= mlt_properties_load( temp
);
79 mlt_factory_register_for_clean_up( dictionary
, ( mlt_destructor
)mlt_properties_close
);
82 // Convert the lookup string to lower case
89 // Iterate through the dictionary
90 for ( i
= 0; result
== NULL
&& i
< mlt_properties_count( dictionary
); i
++ )
92 char *name
= mlt_properties_get_name( dictionary
, i
);
93 if ( fnmatch( name
, lookup
, 0 ) == 0 )
94 result
= create_from( profile
, file
, mlt_properties_get_value( dictionary
, i
) );
100 // Finally, try just loading as service
101 if ( result
== NULL
)
102 result
= mlt_factory_producer( profile
, file
, NULL
);
107 static void create_filter( mlt_profile profile
, mlt_producer producer
, char *effect
, int *created
)
109 // The swscale filter can not handle images with a width > 2048 and the
110 // sdl_image producer does not scale on its own
111 if ( strncmp( effect
, "swscale", 7 ) == 0 &&
112 mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( producer
), "_real_width" ) > 2048 &&
113 strcmp( mlt_properties_get( MLT_PRODUCER_PROPERTIES( producer
), "mlt_service" ), "sdl_image" ) == 0 )
116 char *id
= strdup( effect
);
117 char *arg
= strchr( id
, ':' );
120 mlt_filter filter
= mlt_factory_filter( profile
, id
, arg
);
121 if ( filter
!= NULL
)
123 mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter
), "_fezzik", 1 );
124 mlt_producer_attach( producer
, filter
);
125 mlt_filter_close( filter
);
131 static void attach_normalisers( mlt_profile profile
, mlt_producer producer
)
137 mlt_tokeniser tokeniser
= mlt_tokeniser_init( );
139 // We only need to load the normalising properties once
140 if ( normalisers
== NULL
)
143 sprintf( temp
, "%s/fezzik.ini", mlt_environment( "MLT_DATA" ) );
144 normalisers
= mlt_properties_load( temp
);
145 mlt_factory_register_for_clean_up( normalisers
, ( mlt_destructor
)mlt_properties_close
);
149 for ( i
= 0; i
< mlt_properties_count( normalisers
); i
++ )
153 char *value
= mlt_properties_get_value( normalisers
, i
);
154 mlt_tokeniser_parse_new( tokeniser
, value
, "," );
155 for ( j
= 0; !created
&& j
< mlt_tokeniser_count( tokeniser
); j
++ )
156 create_filter( profile
, producer
, mlt_tokeniser_get_string( tokeniser
, j
), &created
);
159 // Close the tokeniser
160 mlt_tokeniser_close( tokeniser
);
163 mlt_producer
producer_fezzik_init( mlt_profile profile
, mlt_service_type type
, const char *id
, char *arg
)
165 // Create the producer
166 mlt_producer producer
= NULL
;
167 mlt_properties properties
= NULL
;
170 producer
= create_producer( profile
, arg
);
172 if ( producer
!= NULL
)
173 properties
= MLT_PRODUCER_PROPERTIES( producer
);
175 // Attach filters if we have a producer and it isn't already westley'd :-)
176 if ( producer
!= NULL
&& mlt_properties_get( properties
, "westley" ) == NULL
&& \
177 mlt_properties_get( properties
, "_westley" ) == NULL
&& \
178 mlt_properties_get( properties
, "fezzik_normalised" ) == NULL
)
179 attach_normalisers( profile
, producer
);
181 // Now make sure we don't lose our identity
182 if ( properties
!= NULL
)
183 mlt_properties_set_int( properties
, "_mlt_service_hidden", 1 );
185 // Return the producer