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,
82 libvlc_exception_t *p_e )
84 libvlc_instance_t *p_new;
87 libvlc_init_threads ();
89 libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
92 libvlc_deinit_threads ();
93 RAISENULL( "VLC initialization failed" );
96 p_new = malloc( sizeof( libvlc_instance_t ) );
99 libvlc_deinit_threads ();
100 RAISENULL( "Out of memory" );
103 const char *my_argv[argc + 2];
105 my_argv[0] = "libvlc"; /* dummy arg0, skipped by getopt() et al */
106 for( int i = 0; i < argc; i++ )
107 my_argv[i + 1] = argv[i];
108 my_argv[argc + 1] = NULL; /* C calling conventions require a NULL */
110 /** \todo Look for interface settings. If we don't have any, add -I dummy */
111 /* Because we probably don't want a GUI by default */
113 i_ret = libvlc_InternalInit( p_libvlc_int, argc + 1, my_argv );
116 libvlc_InternalDestroy( p_libvlc_int );
118 libvlc_deinit_threads ();
120 if( i_ret == VLC_EEXITSUCCESS )
123 RAISENULL( "VLC initialization failed" );
126 p_new->p_libvlc_int = p_libvlc_int;
127 p_new->libvlc_vlm.p_vlm = NULL;
128 p_new->libvlc_vlm.p_event_manager = NULL;
129 p_new->libvlc_vlm.pf_release = NULL;
130 p_new->ref_count = 1;
131 p_new->verbosity = 1;
132 p_new->p_callback_list = NULL;
133 vlc_mutex_init(&p_new->instance_lock);
138 void libvlc_retain( libvlc_instance_t *p_instance )
140 assert( p_instance != NULL );
141 assert( p_instance->ref_count < UINT_MAX );
143 vlc_mutex_lock( &p_instance->instance_lock );
144 p_instance->ref_count++;
145 vlc_mutex_unlock( &p_instance->instance_lock );
148 void libvlc_release( libvlc_instance_t *p_instance )
150 vlc_mutex_t *lock = &p_instance->instance_lock;
153 vlc_mutex_lock( lock );
154 assert( p_instance->ref_count > 0 );
155 refs = --p_instance->ref_count;
156 vlc_mutex_unlock( lock );
160 vlc_mutex_destroy( lock );
161 if( p_instance->libvlc_vlm.pf_release )
162 p_instance->libvlc_vlm.pf_release( p_instance );
163 libvlc_InternalCleanup( p_instance->p_libvlc_int );
164 libvlc_InternalDestroy( p_instance->p_libvlc_int );
166 libvlc_deinit_threads ();
170 int libvlc_add_intf( libvlc_instance_t *p_i, const char *name )
172 return libvlc_InternalAddIntf( p_i->p_libvlc_int, name ) ? -1 : 0;
175 void libvlc_wait( libvlc_instance_t *p_i )
177 libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
178 libvlc_InternalWait( p_libvlc );
181 const char * libvlc_get_version(void)
183 return VLC_Version();
186 const char * libvlc_get_compiler(void)
188 return VLC_Compiler();
191 const char * libvlc_get_changeset(void)
193 extern const char psz_vlc_changeset[];
194 return psz_vlc_changeset;
197 /* export internal libvlc_instance for ugly hacks with libvlccore */
198 vlc_object_t *libvlc_get_vlc_instance( libvlc_instance_t* p_instance )
200 vlc_object_hold( p_instance->p_libvlc_int ) ;
201 return (vlc_object_t*) p_instance->p_libvlc_int ;
204 void libvlc_free( void *ptr )