1 /*****************************************************************************
2 * core.c: Core libvlc new API functions : initialization
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program 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
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
28 #include "libvlc_internal.h"
29 #include <vlc_modules.h>
30 #include <vlc/libvlc.h>
32 #include <vlc_interface.h>
39 static const char nomemstr
[] = "Insufficient memory";
41 libvlc_instance_t
* libvlc_new( int argc
, const char *const *argv
)
43 libvlc_instance_t
*p_new
= malloc (sizeof (*p_new
));
44 if (unlikely(p_new
== NULL
))
47 libvlc_init_threads ();
49 const char *my_argv
[argc
+ 2];
50 my_argv
[0] = "libvlc"; /* dummy arg0, skipped by getopt() et al */
51 for( int i
= 0; i
< argc
; i
++ )
52 my_argv
[i
+ 1] = argv
[i
];
53 my_argv
[argc
+ 1] = NULL
; /* C calling conventions require a NULL */
55 libvlc_int_t
*p_libvlc_int
= libvlc_InternalCreate();
56 if (unlikely (p_libvlc_int
== NULL
))
59 if (libvlc_InternalInit( p_libvlc_int
, argc
+ 1, my_argv
))
61 libvlc_InternalDestroy( p_libvlc_int
);
65 p_new
->p_libvlc_int
= p_libvlc_int
;
66 p_new
->libvlc_vlm
.p_vlm
= NULL
;
67 p_new
->libvlc_vlm
.p_event_manager
= NULL
;
68 p_new
->libvlc_vlm
.pf_release
= NULL
;
70 p_new
->p_callback_list
= NULL
;
71 vlc_mutex_init(&p_new
->instance_lock
);
72 var_Create( p_libvlc_int
, "http-user-agent",
73 VLC_VAR_STRING
|VLC_VAR_DOINHERIT
);
77 libvlc_deinit_threads ();
82 void libvlc_retain( libvlc_instance_t
*p_instance
)
84 assert( p_instance
!= NULL
);
85 assert( p_instance
->ref_count
< UINT_MAX
);
87 vlc_mutex_lock( &p_instance
->instance_lock
);
88 p_instance
->ref_count
++;
89 vlc_mutex_unlock( &p_instance
->instance_lock
);
92 void libvlc_release( libvlc_instance_t
*p_instance
)
94 vlc_mutex_t
*lock
= &p_instance
->instance_lock
;
97 vlc_mutex_lock( lock
);
98 assert( p_instance
->ref_count
> 0 );
99 refs
= --p_instance
->ref_count
;
100 vlc_mutex_unlock( lock
);
104 vlc_mutex_destroy( lock
);
105 if( p_instance
->libvlc_vlm
.pf_release
)
106 p_instance
->libvlc_vlm
.pf_release( p_instance
);
107 libvlc_InternalCleanup( p_instance
->p_libvlc_int
);
108 libvlc_InternalDestroy( p_instance
->p_libvlc_int
);
110 libvlc_deinit_threads ();
114 int libvlc_add_intf( libvlc_instance_t
*p_i
, const char *name
)
116 if( libvlc_InternalAddIntf( p_i
->p_libvlc_int
, name
))
120 libvlc_printerr("interface \"%s\" initialization failed",
125 libvlc_printerr("default interface initialization failed");
132 void libvlc_set_exit_handler( libvlc_instance_t
*p_i
, void (*cb
) (void *),
135 libvlc_int_t
*p_libvlc
= p_i
->p_libvlc_int
;
136 libvlc_SetExitHandler( p_libvlc
, cb
, data
);
139 void libvlc_wait( libvlc_instance_t
*p_i
)
141 libvlc_int_t
*p_libvlc
= p_i
->p_libvlc_int
;
142 libvlc_InternalWait( p_libvlc
);
145 void libvlc_set_user_agent (libvlc_instance_t
*p_i
,
146 const char *name
, const char *http
)
148 libvlc_int_t
*p_libvlc
= p_i
->p_libvlc_int
;
151 var_SetString (p_libvlc
, "user-agent", name
);
153 && (asprintf (&str
, "%s LibVLC/"PACKAGE_VERSION
, http
) != -1))
155 var_SetString (p_libvlc
, "http-user-agent", str
);
160 const char * libvlc_get_version(void)
162 return VERSION_MESSAGE
;
165 const char * libvlc_get_compiler(void)
167 return VLC_Compiler();
170 const char * libvlc_get_changeset(void)
172 extern const char psz_vlc_changeset
[];
173 return psz_vlc_changeset
;
176 void libvlc_free( void *ptr
)
181 static libvlc_module_description_t
*module_description_list_get(
182 libvlc_instance_t
*p_instance
, const char *capability
)
184 VLC_UNUSED( p_instance
);
185 libvlc_module_description_t
*p_list
= NULL
,
188 module_t
**module_list
= module_list_get( NULL
);
190 for (size_t i
= 0; module_list
[i
]; i
++)
192 module_t
*p_module
= module_list
[i
];
194 if ( !module_provides( p_module
, capability
) )
197 p_actual
= ( libvlc_module_description_t
* ) malloc( sizeof( libvlc_module_description_t
) );
198 if ( p_actual
== NULL
)
200 libvlc_printerr( "Not enough memory" );
201 libvlc_module_description_list_release( p_list
);
202 module_list_free( module_list
);
206 if ( p_list
== NULL
)
209 const char* name
= module_get_object( p_module
);
210 const char* shortname
= module_get_name( p_module
, false );
211 const char* longname
= module_get_name( p_module
, true );
212 const char* help
= module_get_help( p_module
);
213 p_actual
->psz_name
= name
? strdup( name
) : NULL
;
214 p_actual
->psz_shortname
= shortname
? strdup( shortname
) : NULL
;
215 p_actual
->psz_longname
= longname
? strdup( longname
) : NULL
;
216 p_actual
->psz_help
= help
? strdup( help
) : NULL
;
218 p_actual
->p_next
= NULL
;
220 p_previous
->p_next
= p_actual
;
221 p_previous
= p_actual
;
224 module_list_free( module_list
);
228 void libvlc_module_description_list_release( libvlc_module_description_t
*p_list
)
230 libvlc_module_description_t
*p_actual
, *p_before
;
235 free( p_actual
->psz_name
);
236 free( p_actual
->psz_shortname
);
237 free( p_actual
->psz_longname
);
238 free( p_actual
->psz_help
);
240 p_actual
= p_before
->p_next
;
245 libvlc_module_description_t
*libvlc_audio_filter_list_get( libvlc_instance_t
*p_instance
)
247 return module_description_list_get( p_instance
, "audio filter" );
250 libvlc_module_description_t
*libvlc_video_filter_list_get( libvlc_instance_t
*p_instance
)
252 return module_description_list_get( p_instance
, "video filter2" );
255 int64_t libvlc_clock(void)