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 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.
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.
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.
21 #include "producer_fezzik.h"
29 #include <framework/mlt.h>
31 static mlt_properties dictionary
= NULL
;
33 static void track_service( mlt_tractor tractor
, void *service
, mlt_destructor destructor
)
35 mlt_properties properties
= mlt_tractor_properties( tractor
);
36 int registered
= mlt_properties_get_int( properties
, "_registered" );
37 char *key
= mlt_properties_get( properties
, "_registered" );
38 char *real
= malloc( strlen( key
) + 2 );
39 sprintf( real
, "_%s", key
);
40 mlt_properties_set_data( properties
, real
, service
, 0, destructor
, NULL
);
41 mlt_properties_set_int( properties
, "_registered", ++ registered
);
45 static mlt_producer
create_from( char *file
, char *services
)
47 mlt_producer producer
= NULL
;
48 char *temp
= strdup( services
);
52 char *p
= strchr( service
, ',' );
55 producer
= mlt_factory_producer( service
, file
);
58 while ( producer
== NULL
&& service
!= NULL
);
63 static mlt_producer
create_producer( char *file
)
65 mlt_producer result
= NULL
;
67 // 1st Line - check for service:resource handling
68 if ( strchr( file
, ':' ) )
70 char *temp
= strdup( file
);
72 char *resource
= strchr( temp
, ':' );
74 result
= mlt_factory_producer( service
, resource
);
78 // 2nd Line preferences
82 char *lookup
= strdup( file
);
85 // We only need to load the dictionary once
86 if ( dictionary
== NULL
)
89 sprintf( temp
, "%s/fezzik.dict", mlt_factory_prefix( ) );
90 dictionary
= mlt_properties_load( temp
);
93 // Convert the lookup string to lower case
100 // Iterate through the dictionary
101 for ( i
= 0; result
== NULL
&& i
< mlt_properties_count( dictionary
); i
++ )
103 char *name
= mlt_properties_get_name( dictionary
, i
);
104 if ( fnmatch( name
, lookup
, 0 ) == 0 )
105 result
= create_from( file
, mlt_properties_get_value( dictionary
, i
) );
111 // Finally, try just loading as service
112 if ( result
== NULL
)
113 result
= mlt_factory_producer( file
, NULL
);
118 static mlt_service
create_filter( mlt_tractor tractor
, mlt_service last
, char *effect
)
120 char *id
= strdup( effect
);
121 char *arg
= strchr( id
, ':' );
124 mlt_filter filter
= mlt_factory_filter( id
, arg
);
125 if ( filter
!= NULL
)
127 mlt_filter_connect( filter
, last
, 0 );
128 track_service( tractor
, filter
, ( mlt_destructor
)mlt_filter_close
);
129 last
= mlt_filter_service( filter
);
135 mlt_producer
producer_fezzik_init( char *arg
)
137 // Create the producer that the tractor will contain
138 mlt_producer producer
= NULL
;
141 producer
= create_producer( arg
);
143 // Build the tractor if we have a producer and it isn't already westley'd :-)
144 if ( producer
!= NULL
&& mlt_properties_get( mlt_producer_properties( producer
), "westley" ) == NULL
)
146 // Construct the tractor
147 mlt_tractor tractor
= mlt_tractor_init( );
150 if ( tractor
!= NULL
)
152 // Extract the tractor properties
153 mlt_properties properties
= mlt_tractor_properties( tractor
);
155 // Our producer will be the last service
156 mlt_service last
= mlt_producer_service( producer
);
158 // Set the registered count
159 mlt_properties_set_int( properties
, "_registered", 0 );
161 // Register our producer for seeking in the tractor
162 mlt_properties_set_data( properties
, "producer", producer
, 0, ( mlt_destructor
)mlt_producer_close
, NULL
);
164 // Now attach normalising filters
165 last
= create_filter( tractor
, last
, "deinterlace" );
166 last
= create_filter( tractor
, last
, "rescale" );
167 last
= create_filter( tractor
, last
, "resize" );
168 last
= create_filter( tractor
, last
, "resample" );
170 // Connect the tractor to the last
171 mlt_tractor_connect( tractor
, last
);
173 // Finally, inherit properties from producer
174 mlt_properties_inherit( properties
, mlt_producer_properties( producer
) );
176 // Now make sure we don't lose our inherited identity
177 mlt_properties_set_int( properties
, "_mlt_service_hidden", 1 );
179 // This is a temporary hack to ensure that westley doesn't dig too deep
180 // and fezzik doesn't overdo it with throwing rocks...
181 mlt_properties_set( properties
, "westley", "was here" );
183 // We need to ensure that all further properties are mirrored in the producer
184 mlt_properties_mirror( properties
, mlt_producer_properties( producer
) );
186 // Ensure that the inner producer ignores the in point
187 mlt_properties_set_int( mlt_producer_properties( producer
), "ignore_points", 1 );
189 // Now, we return the producer of the tractor
190 producer
= mlt_tractor_producer( tractor
);
194 // Return the tractor's producer