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 void fill_param_info ( mlt_repository repository
, void* handle
, f0r_plugin_info_t
* info
, mlt_service_type type
, char* name
) {
40 void (*param_info
)(f0r_param_info_t
*,int param_index
)=dlsym(handle
,"f0r_get_param_info");
41 mlt_properties metadata_properties
=NULL
;
44 metadata_properties
=mlt_repository_filters(repository
);
47 metadata_properties
=NULL
;
50 if (!metadata_properties
){
54 mlt_properties this_item_properties
= mlt_properties_get_data( metadata_properties
, name
, NULL
);
55 mlt_properties metadata
= mlt_properties_get_data( this_item_properties
, "metadata" , NULL
);
57 metadata
= mlt_properties_new( );
58 mlt_properties_set_data( this_item_properties
, "metadata" , metadata
, 0 , NULL
, NULL
);
61 snprintf ( descstr
, 2048 , "%s (Version: %d.%d)" , info
->explanation
, info
->major_version
, info
->minor_version
);
62 mlt_properties_set ( metadata
, "title" , info
->name
);
63 mlt_properties_set ( metadata
, "identifier" , name
);
64 mlt_properties_set ( metadata
, "description" , descstr
);
65 mlt_properties_set ( metadata
, "creator" , info
->author
);
67 mlt_properties parameter
= mlt_properties_get_data( metadata
, "parameters" , NULL
);
70 parameter
= mlt_properties_new ( );
71 mlt_properties_set_data ( metadata
, "parameters" , parameter
, 0 , NULL
, NULL
);
76 for (j
=0;j
<info
->num_params
;j
++){
77 snprintf ( numstr
, 512 , "%d" , j
);
78 mlt_properties pnum
= mlt_properties_get_data( metadata
, numstr
, NULL
);
80 pnum
= mlt_properties_new ( );
81 mlt_properties_set_data ( parameter
, numstr
, pnum
, 0 , NULL
, NULL
);
84 f0r_param_info_t paraminfo
;
85 param_info(¶minfo
,j
);
86 mlt_properties_set ( pnum
, "identifier" , paraminfo
.name
);
87 mlt_properties_set ( pnum
, "title" , paraminfo
.name
);
88 mlt_properties_set ( pnum
, "description" , paraminfo
.explanation
);
90 if ( paraminfo
.type
== F0R_PARAM_DOUBLE
){
91 mlt_properties_set ( pnum
, "type" , "integer" );
92 mlt_properties_set ( pnum
, "minimum" , "0" );
93 mlt_properties_set ( pnum
, "maximum" , "1000" );
94 mlt_properties_set ( pnum
, "readonly" , "no" );
95 mlt_properties_set ( pnum
, "widget" , "spinner" );
97 if ( paraminfo
.type
== F0R_PARAM_BOOL
){
98 mlt_properties_set ( pnum
, "type" , "boolean" );
99 mlt_properties_set ( pnum
, "minimum" , "0" );
100 mlt_properties_set ( pnum
, "maximum" , "1" );
101 mlt_properties_set ( pnum
, "readonly" , "no" );
103 if ( paraminfo
.type
== F0R_PARAM_STRING
){
104 mlt_properties_set ( pnum
, "type" , "string" );
105 mlt_properties_set ( pnum
, "readonly" , "no" );
110 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 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]="";
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
);
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 fill_param_info ( repository
, handle
, &info
, filter_type
, pluginname
);
266 else if (firstname
&& info
.plugin_type
==F0R_PLUGIN_TYPE_MIXER2
){
267 MLT_REGISTER( transition_type
, pluginname
, create_frei0r_item
);
268 fill_param_info ( repository
, handle
, &info
, transition_type
, pluginname
);
274 mlt_properties_close(direntries
);
276 mlt_tokeniser_close ( tokeniser
);