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;
71 p_new->p_callback_list = NULL;
72 vlc_mutex_init(&p_new->instance_lock);
73 var_Create( p_libvlc_int, "http-user-agent",
74 VLC_VAR_STRING|VLC_VAR_DOINHERIT );
78 libvlc_deinit_threads ();
83 void libvlc_retain( libvlc_instance_t *p_instance )
85 assert( p_instance != NULL );
86 assert( p_instance->ref_count < UINT_MAX );
88 vlc_mutex_lock( &p_instance->instance_lock );
89 p_instance->ref_count++;
90 vlc_mutex_unlock( &p_instance->instance_lock );
93 void libvlc_release( libvlc_instance_t *p_instance )
95 vlc_mutex_t *lock = &p_instance->instance_lock;
98 vlc_mutex_lock( lock );
99 assert( p_instance->ref_count > 0 );
100 refs = --p_instance->ref_count;
101 vlc_mutex_unlock( lock );
105 vlc_mutex_destroy( lock );
106 if( p_instance->libvlc_vlm.pf_release )
107 p_instance->libvlc_vlm.pf_release( p_instance );
108 libvlc_InternalCleanup( p_instance->p_libvlc_int );
109 libvlc_InternalDestroy( p_instance->p_libvlc_int );
111 libvlc_deinit_threads ();
115 int libvlc_add_intf( libvlc_instance_t *p_i, const char *name )
117 if( libvlc_InternalAddIntf( p_i->p_libvlc_int, name ))
121 libvlc_printerr("interface \"%s\" initialization failed",
126 libvlc_printerr("default interface initialization failed");
133 void libvlc_set_exit_handler( libvlc_instance_t *p_i, void (*cb) (void *),
136 libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
137 libvlc_SetExitHandler( p_libvlc, cb, data );
140 void libvlc_wait( libvlc_instance_t *p_i )
142 libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
143 libvlc_InternalWait( p_libvlc );
146 void libvlc_set_user_agent (libvlc_instance_t *p_i,
147 const char *name, const char *http)
149 libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
152 var_SetString (p_libvlc, "user-agent", name);
154 && (asprintf (&str, "%s LibVLC/"PACKAGE_VERSION, http) != -1))
156 var_SetString (p_libvlc, "http-user-agent", str);
161 const char * libvlc_get_version(void)
163 return VERSION_MESSAGE;
166 const char * libvlc_get_compiler(void)
168 return VLC_Compiler();
171 const char * libvlc_get_changeset(void)
173 extern const char psz_vlc_changeset[];
174 return psz_vlc_changeset;
177 void libvlc_free( void *ptr )
182 static libvlc_module_description_t *module_description_list_get(
183 libvlc_instance_t *p_instance, const char *capability )
185 VLC_UNUSED( p_instance );
186 libvlc_module_description_t *p_list = NULL,
189 module_t **module_list = module_list_get( NULL );
191 for (size_t i = 0; module_list[i]; i++)
193 module_t *p_module = module_list[i];
195 if ( !module_provides( p_module, capability ) )
198 p_actual = ( libvlc_module_description_t * ) malloc( sizeof( libvlc_module_description_t ) );
199 if ( p_actual == NULL )
201 libvlc_printerr( "Not enough memory" );
202 libvlc_module_description_list_release( p_list );
203 module_list_free( module_list );
207 if ( p_list == NULL )
210 const char* name = module_get_object( p_module );
211 const char* shortname = module_get_name( p_module, false );
212 const char* longname = module_get_name( p_module, true );
213 const char* help = module_get_help( p_module );
214 p_actual->psz_name = name ? strdup( name ) : NULL;
215 p_actual->psz_shortname = shortname ? strdup( shortname ) : NULL;
216 p_actual->psz_longname = longname ? strdup( longname ) : NULL;
217 p_actual->psz_help = help ? strdup( help ) : NULL;
219 p_actual->p_next = NULL;
221 p_previous->p_next = p_actual;
222 p_previous = p_actual;
225 module_list_free( module_list );
229 void libvlc_module_description_list_release( libvlc_module_description_t *p_list )
231 libvlc_module_description_t *p_actual, *p_before;
236 free( p_actual->psz_name );
237 free( p_actual->psz_shortname );
238 free( p_actual->psz_longname );
239 free( p_actual->psz_help );
241 p_actual = p_before->p_next;
246 libvlc_module_description_t *libvlc_audio_filter_list_get( libvlc_instance_t *p_instance )
248 return module_description_list_get( p_instance, "audio filter" );
251 libvlc_module_description_t *libvlc_video_filter_list_get( libvlc_instance_t *p_instance )
253 return module_description_list_get( p_instance, "video filter2" );
256 int64_t libvlc_clock(void)