1 /*****************************************************************************
2 * core.c: Core libvlc new API functions : initialization, exceptions handling
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/libvlc.h>
31 #include <vlc_interface.h>
38 static const char nomemstr[] = "Insufficient memory";
40 /*************************************************************************
42 *************************************************************************/
43 void libvlc_exception_init( libvlc_exception_t *p_exception )
45 p_exception->b_raised = 0;
48 void libvlc_exception_clear( libvlc_exception_t *p_exception )
50 if( NULL == p_exception )
52 p_exception->b_raised = 0;
56 int libvlc_exception_raised( const libvlc_exception_t *p_exception )
58 return (NULL != p_exception) && p_exception->b_raised;
61 static void libvlc_exception_not_handled( const char *psz )
63 fprintf( stderr, "*** LibVLC Exception not handled: %s\nSet a breakpoint in '%s' to debug.\n",
68 void libvlc_exception_raise( libvlc_exception_t *p_exception )
70 /* Does caller care about exceptions ? */
71 if( p_exception == NULL ) {
72 /* Print something, so that lazy third-parties can easily
73 * notice that something may have gone unnoticedly wrong */
74 libvlc_exception_not_handled( libvlc_errmsg() );
78 p_exception->b_raised = 1;
81 libvlc_instance_t * libvlc_new( int argc, const char *const *argv )
83 libvlc_instance_t *p_new = malloc (sizeof (*p_new));
84 if (unlikely(p_new == NULL))
87 libvlc_init_threads ();
89 const char *my_argv[argc + 2];
90 my_argv[0] = "libvlc"; /* dummy arg0, skipped by getopt() et al */
91 for( int i = 0; i < argc; i++ )
92 my_argv[i + 1] = argv[i];
93 my_argv[argc + 1] = NULL; /* C calling conventions require a NULL */
95 libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
96 if (unlikely (p_libvlc_int == NULL))
99 if (libvlc_InternalInit( p_libvlc_int, argc + 1, my_argv ))
101 libvlc_InternalDestroy( p_libvlc_int );
105 p_new->p_libvlc_int = p_libvlc_int;
106 p_new->libvlc_vlm.p_vlm = NULL;
107 p_new->libvlc_vlm.p_event_manager = NULL;
108 p_new->libvlc_vlm.pf_release = NULL;
109 p_new->ref_count = 1;
110 p_new->verbosity = 1;
111 p_new->p_callback_list = NULL;
112 vlc_mutex_init(&p_new->instance_lock);
116 libvlc_deinit_threads ();
121 void libvlc_retain( libvlc_instance_t *p_instance )
123 assert( p_instance != NULL );
124 assert( p_instance->ref_count < UINT_MAX );
126 vlc_mutex_lock( &p_instance->instance_lock );
127 p_instance->ref_count++;
128 vlc_mutex_unlock( &p_instance->instance_lock );
131 void libvlc_release( libvlc_instance_t *p_instance )
133 vlc_mutex_t *lock = &p_instance->instance_lock;
136 vlc_mutex_lock( lock );
137 assert( p_instance->ref_count > 0 );
138 refs = --p_instance->ref_count;
139 vlc_mutex_unlock( lock );
143 vlc_mutex_destroy( lock );
144 if( p_instance->libvlc_vlm.pf_release )
145 p_instance->libvlc_vlm.pf_release( p_instance );
146 libvlc_InternalCleanup( p_instance->p_libvlc_int );
147 libvlc_InternalDestroy( p_instance->p_libvlc_int );
149 libvlc_deinit_threads ();
153 int libvlc_add_intf( libvlc_instance_t *p_i, const char *name )
155 return libvlc_InternalAddIntf( p_i->p_libvlc_int, name ) ? -1 : 0;
158 void libvlc_wait( libvlc_instance_t *p_i )
160 libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
161 libvlc_InternalWait( p_libvlc );
164 const char * libvlc_get_version(void)
166 return VLC_Version();
169 const char * libvlc_get_compiler(void)
171 return VLC_Compiler();
174 const char * libvlc_get_changeset(void)
176 extern const char psz_vlc_changeset[];
177 return psz_vlc_changeset;
180 void libvlc_free( void *ptr )