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 *****************************************************************************/
24 #include "libvlc_internal.h"
25 #include <vlc/libvlc.h>
27 #include <vlc_interface.h>
29 static const char nomemstr[] = "Insufficient memory";
31 /*************************************************************************
33 *************************************************************************/
34 void libvlc_exception_init( libvlc_exception_t *p_exception )
36 p_exception->b_raised = 0;
37 p_exception->psz_message = NULL;
40 void libvlc_exception_clear( libvlc_exception_t *p_exception )
42 if( p_exception->psz_message != nomemstr )
43 free( p_exception->psz_message );
44 p_exception->psz_message = NULL;
45 p_exception->b_raised = 0;
48 int libvlc_exception_raised( const libvlc_exception_t *p_exception )
50 return (NULL != p_exception) && p_exception->b_raised;
54 libvlc_exception_get_message( const libvlc_exception_t *p_exception )
56 if( p_exception->b_raised == 1 && p_exception->psz_message )
58 return p_exception->psz_message;
63 void libvlc_exception_raise( libvlc_exception_t *p_exception,
64 const char *psz_format, ... )
68 /* does caller care about exceptions ? */
69 if( p_exception == NULL ) return;
71 /* remove previous exception if it wasn't cleared */
72 libvlc_exception_clear( p_exception );
74 va_start( args, psz_format );
75 if( vasprintf( &p_exception->psz_message, psz_format, args ) == -1)
76 p_exception->psz_message = (char *)nomemstr;
79 p_exception->b_raised = 1;
82 libvlc_instance_t * libvlc_new( int argc, const char *const *argv,
83 libvlc_exception_t *p_e )
85 libvlc_instance_t *p_new;
87 libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
88 if( !p_libvlc_int ) RAISENULL( "VLC initialization failed" );
90 p_new = (libvlc_instance_t *)malloc( sizeof( libvlc_instance_t ) );
91 if( !p_new ) RAISENULL( "Out of memory" );
93 /** \todo Look for interface settings. If we don't have any, add -I dummy */
94 /* Because we probably don't want a GUI by default */
96 if( libvlc_InternalInit( p_libvlc_int, argc, argv ) )
97 RAISENULL( "VLC initialization failed" );
99 p_new->p_libvlc_int = p_libvlc_int;
101 p_new->b_playlist_locked = 0;
102 p_new->p_callback_list = NULL;
103 vlc_mutex_init(p_libvlc_int, &p_new->instance_lock);
104 vlc_mutex_init(p_libvlc_int, &p_new->event_callback_lock);
106 libvlc_event_init(p_new, p_e);
111 void libvlc_destroy( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
113 libvlc_event_fini( p_instance, p_e );
114 vlc_mutex_destroy( &p_instance->instance_lock );
115 vlc_mutex_destroy( &p_instance->event_callback_lock);
116 libvlc_InternalCleanup( p_instance->p_libvlc_int );
117 libvlc_InternalDestroy( p_instance->p_libvlc_int, VLC_FALSE );
121 int libvlc_get_vlc_id( libvlc_instance_t *p_instance )
123 return p_instance->p_libvlc_int->i_object_id;