2 * factory.c -- the factory method interfaces
3 * Copyright (c) 2008 Marco Gittler <g.marco@freenet.de>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <framework/mlt.h>
26 #include <sys/types.h>
31 extern mlt_filter
filter_frei0r_init( mlt_profile profile
, mlt_service_type type
, const char *id
, char *arg
);
32 extern mlt_frame
filter_process( mlt_filter
this, mlt_frame frame
);
33 extern void filter_close( mlt_filter
this );
34 extern void transition_close( mlt_transition
this );
35 extern mlt_frame
transition_process( mlt_transition transition
, mlt_frame a_frame
, mlt_frame b_frame
);
37 static mlt_properties
fill_param_info ( mlt_service_type type
, const char *service_name
, char *name
)
39 void* handle
=dlopen(name
,RTLD_LAZY
);
40 if (!handle
) return NULL
;
41 void (*plginfo
)(f0r_plugin_info_t
*)=dlsym(handle
,"f0r_get_plugin_info");
42 void (*param_info
)(f0r_param_info_t
*,int param_index
)=dlsym(handle
,"f0r_get_param_info");
43 if (!plginfo
|| !param_info
) {
47 mlt_properties metadata
= mlt_properties_new();
48 f0r_plugin_info_t info
;
53 snprintf ( string
, sizeof(string
) , "%d.%d" , info
.major_version
, info
.minor_version
);
54 mlt_properties_set ( metadata
, "schema_version" , "0.1" );
55 mlt_properties_set ( metadata
, "title" , info
.name
);
56 mlt_properties_set ( metadata
, "version", string
);
57 mlt_properties_set ( metadata
, "identifier" , service_name
);
58 mlt_properties_set ( metadata
, "description" , info
.explanation
);
59 mlt_properties_set ( metadata
, "creator" , info
.author
);
62 mlt_properties_set ( metadata
, "type" , "filter" );
65 mlt_properties_set ( metadata
, "type" , "transition" );
71 mlt_properties parameter
= mlt_properties_new ( );
72 mlt_properties_set_data ( metadata
, "parameters" , parameter
, 0 , ( mlt_destructor
)mlt_properties_close
, NULL
);
73 mlt_properties tags
= mlt_properties_new ( );
74 mlt_properties_set_data ( metadata
, "tags" , tags
, 0 , ( mlt_destructor
)mlt_properties_close
, NULL
);
75 mlt_properties_set ( tags
, "0" , "Video" );
77 for (j
=0;j
<info
.num_params
;j
++){
78 snprintf ( string
, sizeof(string
), "%d" , j
);
79 mlt_properties pnum
= mlt_properties_new ( );
80 mlt_properties_set_data ( parameter
, string
, pnum
, 0 , ( mlt_destructor
)mlt_properties_close
, NULL
);
81 f0r_param_info_t paraminfo
;
82 param_info(¶minfo
,j
);
83 mlt_properties_set ( pnum
, "identifier" , paraminfo
.name
);
84 mlt_properties_set ( pnum
, "title" , paraminfo
.name
);
85 mlt_properties_set ( pnum
, "description" , paraminfo
.explanation
);
86 if ( paraminfo
.type
== F0R_PARAM_DOUBLE
){
87 mlt_properties_set ( pnum
, "type" , "float" );
88 mlt_properties_set ( pnum
, "minimum" , "-2" );
89 mlt_properties_set ( pnum
, "maximum" , "2" );
90 mlt_properties_set ( pnum
, "readonly" , "no" );
91 mlt_properties_set ( pnum
, "widget" , "spinner" );
93 if ( paraminfo
.type
== F0R_PARAM_BOOL
){
94 mlt_properties_set ( pnum
, "type" , "boolean" );
95 mlt_properties_set ( pnum
, "minimum" , "0" );
96 mlt_properties_set ( pnum
, "maximum" , "1" );
97 mlt_properties_set ( pnum
, "readonly" , "no" );
99 if ( paraminfo
.type
== F0R_PARAM_STRING
){
100 mlt_properties_set ( pnum
, "type" , "string" );
101 mlt_properties_set ( pnum
, "readonly" , "no" );
110 static void * load_lib( mlt_profile profile
, mlt_service_type type
, void* handle
){
113 void (*f0r_get_plugin_info
)(f0r_plugin_info_t
*),
114 *f0r_construct
, *f0r_update
, *f0r_destruct
,
115 (*f0r_get_param_info
)(f0r_param_info_t
* info
, int param_index
),
116 (*f0r_init
)(void) , *f0r_deinit
,
117 (*f0r_set_param_value
)(f0r_instance_t instance
, f0r_param_t param
, int param_index
),
118 (*f0r_get_param_value
)(f0r_instance_t instance
, f0r_param_t param
, int param_index
),
119 (*f0r_update2
) (f0r_instance_t instance
, double time
, const uint32_t* inframe1
,
120 const uint32_t* inframe2
,const uint32_t* inframe3
, uint32_t* outframe
);
122 if ( ( f0r_construct
= dlsym(handle
, "f0r_construct") ) &&
123 (f0r_update
= dlsym(handle
,"f0r_update") ) &&
124 (f0r_destruct
= dlsym(handle
,"f0r_destruct") ) &&
125 (f0r_get_plugin_info
= dlsym(handle
,"f0r_get_plugin_info") ) &&
126 (f0r_get_param_info
= dlsym(handle
,"f0r_get_param_info") ) &&
127 (f0r_set_param_value
= dlsym(handle
,"f0r_set_param_value" ) ) &&
128 (f0r_get_param_value
= dlsym(handle
,"f0r_get_param_value" ) ) &&
129 (f0r_init
= dlsym(handle
,"f0r_init" ) ) &&
130 (f0r_deinit
= dlsym(handle
,"f0r_deinit" ) )
133 f0r_update2
=dlsym(handle
,"f0r_update2");
135 f0r_plugin_info_t info
;
136 f0r_get_plugin_info(&info
);
139 mlt_properties properties
=NULL
;
141 if (type
== filter_type
&& info
.plugin_type
== F0R_PLUGIN_TYPE_FILTER
){
142 mlt_filter
this = mlt_filter_new( );
145 this->process
= filter_process
;
146 this->close
= filter_close
;
148 properties
=MLT_FILTER_PROPERTIES ( this );
150 for (i
=0;i
<info
.num_params
;i
++){
151 f0r_param_info_t pinfo
;
152 f0r_get_param_info(&pinfo
,i
);
158 }else if (type
== transition_type
&& info
.plugin_type
== F0R_PLUGIN_TYPE_MIXER2
){
159 mlt_transition transition
= mlt_transition_new( );
160 if ( transition
!= NULL
)
162 transition
->process
= transition_process
;
163 transition
->close
= transition_close
;
164 properties
=MLT_TRANSITION_PROPERTIES( transition
);
165 mlt_properties_set_int(properties
, "_transition_type", 1 );
170 mlt_properties_set_data(properties
, "_dlclose_handle", handle
, sizeof (void*) , NULL
, NULL
);
171 mlt_properties_set_data(properties
, "_dlclose", dlclose
, sizeof (void*) , NULL
, NULL
);
172 mlt_properties_set_data(properties
, "f0r_construct", f0r_construct
, sizeof(void*),NULL
,NULL
);
173 mlt_properties_set_data(properties
, "f0r_update", f0r_update
, sizeof(void*),NULL
,NULL
);
175 mlt_properties_set_data(properties
, "f0r_update2", f0r_update2
, sizeof(void*),NULL
,NULL
);
176 mlt_properties_set_data(properties
, "f0r_destruct", f0r_destruct
, sizeof(void*),NULL
,NULL
);
177 mlt_properties_set_data(properties
, "f0r_get_plugin_info", f0r_get_plugin_info
, sizeof(void*),NULL
,NULL
);
178 mlt_properties_set_data(properties
, "f0r_get_param_info", f0r_get_param_info
, sizeof(void*),NULL
,NULL
);
179 mlt_properties_set_data(properties
, "f0r_set_param_value", f0r_set_param_value
, sizeof(void*),NULL
,NULL
);
180 mlt_properties_set_data(properties
, "f0r_get_param_value", f0r_get_param_value
, sizeof(void*),NULL
,NULL
);
185 printf("some was wrong\n");
191 static void * create_frei0r_item ( mlt_profile profile
, mlt_service_type type
, const char *id
, void *arg
){
193 mlt_tokeniser tokeniser
= mlt_tokeniser_init ( );
194 int dircount
=mlt_tokeniser_parse_new (
196 getenv("MLT_FREI0R_PLUGIN_PATH") ?
getenv("MLT_FREI0R_PLUGIN_PATH") : "/usr/lib/frei0r-1" ,
201 char soname
[1024]="";
203 char *save_firstptr
= NULL
;
204 char *firstname
=strtok_r(strdup(id
),".",&save_firstptr
);
206 firstname
=strtok_r(NULL
,".",&save_firstptr
);
207 sprintf(soname
,"%s/%s.so", mlt_tokeniser_get_string( tokeniser
, dircount
) , firstname
);
211 void* handle
=dlopen(soname
,RTLD_LAZY
);
214 ret
=load_lib ( profile
, type
, handle
);
220 mlt_tokeniser_close ( tokeniser
);
228 mlt_tokeniser tokeniser
= mlt_tokeniser_init ( );
229 int dircount
=mlt_tokeniser_parse_new (
231 getenv("MLT_FREI0R_PLUGIN_PATH") ?
getenv("MLT_FREI0R_PLUGIN_PATH") : "/usr/lib/frei0r-1" ,
237 mlt_properties direntries
= mlt_properties_new();
238 char* dirname
= mlt_tokeniser_get_string ( tokeniser
, dircount
) ;
239 mlt_properties_dir_list(direntries
, dirname
,"*.so",1);
241 for (i
=0;i
<mlt_properties_count(direntries
);i
++){
242 char* name
=mlt_properties_get_value(direntries
,i
);
243 char* shortname
=name
+strlen(dirname
)+1;
246 strcat(fname
,dirname
);
247 strcat(fname
,shortname
);
249 char *save_firstptr
= NULL
;
250 char pluginname
[1024]="frei0r.";
251 char* firstname
= strtok_r ( shortname
, "." , &save_firstptr
);
252 strcat(pluginname
,firstname
);
254 void* handle
=dlopen(strcat(name
,".so"),RTLD_LAZY
);
256 void (*plginfo
)(f0r_plugin_info_t
*)=dlsym(handle
,"f0r_get_plugin_info");
259 f0r_plugin_info_t info
;
262 if (firstname
&& info
.plugin_type
==F0R_PLUGIN_TYPE_FILTER
){
263 MLT_REGISTER( filter_type
, pluginname
, create_frei0r_item
);
264 MLT_REGISTER_METADATA( filter_type
, pluginname
, fill_param_info
, strdup(name
) );
266 else if (firstname
&& info
.plugin_type
==F0R_PLUGIN_TYPE_MIXER2
){
267 MLT_REGISTER( transition_type
, pluginname
, create_frei0r_item
);
268 MLT_REGISTER_METADATA( transition_type
, pluginname
, fill_param_info
, strdup(name
) );
274 mlt_properties_close(direntries
);
276 mlt_tokeniser_close ( tokeniser
);