/*****************************************************************************
- * core.c: Core libvlc new API functions : initialization, exceptions handling
+ * core.c: Core libvlc new API functions : initialization
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id$
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <stdarg.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include "libvlc_internal.h"
#include <vlc/libvlc.h>
#include <vlc_interface.h>
+#include <vlc_vlm.h>
-/*************************************************************************
- * Exceptions handling
- *************************************************************************/
-inline void libvlc_exception_init( libvlc_exception_t *p_exception )
-{
- p_exception->b_raised = 0;
- p_exception->psz_message = NULL;
-}
+#include <stdarg.h>
+#include <limits.h>
+#include <assert.h>
-void libvlc_exception_clear( libvlc_exception_t *p_exception )
-{
- if( p_exception->psz_message )
- free( p_exception->psz_message );
- p_exception->psz_message = NULL;
- p_exception->b_raised = 0;
-}
+static const char nomemstr[] = "Insufficient memory";
-inline int libvlc_exception_raised( libvlc_exception_t *p_exception )
+libvlc_instance_t * libvlc_new( int argc, const char *const *argv )
{
- return (NULL != p_exception) && p_exception->b_raised;
-}
+ libvlc_instance_t *p_new = malloc (sizeof (*p_new));
+ if (unlikely(p_new == NULL))
+ return NULL;
-inline char* libvlc_exception_get_message( libvlc_exception_t *p_exception )
-{
- if( p_exception->b_raised == 1 && p_exception->psz_message )
- {
- return p_exception->psz_message;
- }
- return NULL;
-}
+ libvlc_init_threads ();
-inline void libvlc_exception_raise( libvlc_exception_t *p_exception,
- const char *psz_format, ... )
-{
- va_list args;
+ const char *my_argv[argc + 2];
+ my_argv[0] = "libvlc"; /* dummy arg0, skipped by getopt() et al */
+ for( int i = 0; i < argc; i++ )
+ my_argv[i + 1] = argv[i];
+ my_argv[argc + 1] = NULL; /* C calling conventions require a NULL */
- /* does caller care about exceptions ? */
- if( p_exception == NULL ) return;
+ libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
+ if (unlikely (p_libvlc_int == NULL))
+ goto error;
- /* remove previous exception if it wasn't cleared */
- if( p_exception->b_raised && p_exception->psz_message )
+ if (libvlc_InternalInit( p_libvlc_int, argc + 1, my_argv ))
{
- free(p_exception->psz_message);
- p_exception->psz_message = NULL;
+ libvlc_InternalDestroy( p_libvlc_int );
+ goto error;
}
- va_start( args, psz_format );
- vasprintf( &p_exception->psz_message, psz_format, args );
- va_end( args );
+ p_new->p_libvlc_int = p_libvlc_int;
+ p_new->libvlc_vlm.p_vlm = NULL;
+ p_new->libvlc_vlm.p_event_manager = NULL;
+ p_new->libvlc_vlm.pf_release = NULL;
+ p_new->ref_count = 1;
+ p_new->verbosity = 1;
+ p_new->p_callback_list = NULL;
+ vlc_mutex_init(&p_new->instance_lock);
+ return p_new;
- p_exception->b_raised = 1;
+error:
+ libvlc_deinit_threads ();
+ free (p_new);
+ return NULL;
}
-libvlc_instance_t * libvlc_new( int argc, char **argv,
- libvlc_exception_t *p_e )
+void libvlc_retain( libvlc_instance_t *p_instance )
{
- libvlc_instance_t *p_new;
+ assert( p_instance != NULL );
+ assert( p_instance->ref_count < UINT_MAX );
- libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
- if( !p_libvlc_int ) RAISENULL( "VLC initialization failed" );
+ vlc_mutex_lock( &p_instance->instance_lock );
+ p_instance->ref_count++;
+ vlc_mutex_unlock( &p_instance->instance_lock );
+}
- p_new = (libvlc_instance_t *)malloc( sizeof( libvlc_instance_t ) );
- if( !p_new ) RAISENULL( "Out of memory" );
+void libvlc_release( libvlc_instance_t *p_instance )
+{
+ vlc_mutex_t *lock = &p_instance->instance_lock;
+ int refs;
- /** \todo Look for interface settings. If we don't have any, add -I dummy */
- /* Because we probably don't want a GUI by default */
+ vlc_mutex_lock( lock );
+ assert( p_instance->ref_count > 0 );
+ refs = --p_instance->ref_count;
+ vlc_mutex_unlock( lock );
- if( libvlc_InternalInit( p_libvlc_int, argc, argv ) )
- RAISENULL( "VLC initialization failed" );
+ if( refs == 0 )
+ {
+ vlc_mutex_destroy( lock );
+ if( p_instance->libvlc_vlm.pf_release )
+ p_instance->libvlc_vlm.pf_release( p_instance );
+ libvlc_InternalCleanup( p_instance->p_libvlc_int );
+ libvlc_InternalDestroy( p_instance->p_libvlc_int );
+ free( p_instance );
+ libvlc_deinit_threads ();
+ }
+}
- p_new->p_libvlc_int = p_libvlc_int;
- p_new->p_vlm = NULL;
- p_new->b_playlist_locked = 0;
- p_new->p_callback_list = NULL;
- vlc_mutex_init(p_libvlc_int, &p_new->instance_lock);
+int libvlc_add_intf( libvlc_instance_t *p_i, const char *name )
+{
+ return libvlc_InternalAddIntf( p_i->p_libvlc_int, name ) ? -1 : 0;
+}
- return p_new;
+void libvlc_wait( libvlc_instance_t *p_i )
+{
+ libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
+ libvlc_InternalWait( p_libvlc );
}
-void libvlc_destroy( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
+const char * libvlc_get_version(void)
{
- struct libvlc_callback_entry_list_t *p_listitem = p_instance->p_callback_list;
+ return VLC_Version();
+}
- while( p_listitem )
- {
- struct libvlc_callback_entry_list *p_nextlistitem = p_listitem->next;
- free( p_listitem );
- p_listitem = p_nextlistitem;
- }
-
- libvlc_InternalCleanup( p_instance->p_libvlc_int );
- libvlc_InternalDestroy( p_instance->p_libvlc_int, VLC_FALSE );
+const char * libvlc_get_compiler(void)
+{
+ return VLC_Compiler();
}
-int libvlc_get_vlc_id( libvlc_instance_t *p_instance )
+const char * libvlc_get_changeset(void)
{
- return p_instance->p_libvlc_int->i_object_id;
+ extern const char psz_vlc_changeset[];
+ return psz_vlc_changeset;
}