/*****************************************************************************
- * core.c: Core libvlc new API functions : initialization, exceptions handling
+ * core.c: Core libvlc new API functions : initialization
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id$
*
- * Authors: Cl�ent Stenac <zorglub@videolan.org>
+ * Authors: Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* 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>
-#include <libvlc_internal.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "libvlc_internal.h"
#include <vlc/libvlc.h>
-#include <vlc/intf.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 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 )
+ libvlc_init_threads ();
+
+ 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 */
+
+ libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
+ if (unlikely (p_libvlc_int == NULL))
+ goto error;
+
+ if (libvlc_InternalInit( p_libvlc_int, argc + 1, my_argv ))
{
- return p_exception->psz_message;
+ libvlc_InternalDestroy( p_libvlc_int );
+ goto error;
}
+
+ 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);
+ var_Create( p_libvlc_int, "http-user-agent",
+ VLC_VAR_STRING|VLC_VAR_DOINHERIT );
+ return p_new;
+
+error:
+ libvlc_deinit_threads ();
+ free (p_new);
return NULL;
}
-inline void libvlc_exception_raise( libvlc_exception_t *p_exception,
- char *psz_format, ... )
+void libvlc_retain( libvlc_instance_t *p_instance )
{
- va_list args;
- va_start( args, psz_format );
- vasprintf( &p_exception->psz_message, psz_format, args );
- va_end( args );
+ assert( p_instance != NULL );
+ assert( p_instance->ref_count < UINT_MAX );
- if( p_exception == NULL ) return;
- p_exception->b_raised = 1;
+ vlc_mutex_lock( &p_instance->instance_lock );
+ p_instance->ref_count++;
+ vlc_mutex_unlock( &p_instance->instance_lock );
}
-libvlc_instance_t * libvlc_new( int argc, char **argv,
- libvlc_exception_t *p_exception )
+void libvlc_release( libvlc_instance_t *p_instance )
{
- int i_vlc_id;
- libvlc_instance_t *p_new;
- vlc_t *p_vlc;
+ vlc_mutex_t *lock = &p_instance->instance_lock;
+ int refs;
- i_vlc_id = VLC_Create();
- p_vlc = (vlc_t* ) vlc_current_object( i_vlc_id );
+ vlc_mutex_lock( lock );
+ assert( p_instance->ref_count > 0 );
+ refs = --p_instance->ref_count;
+ vlc_mutex_unlock( lock );
- if( !p_vlc )
+ if( refs == 0 )
{
- libvlc_exception_raise( p_exception, "VLC initialization failed" );
- return NULL;
+ 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 = (libvlc_instance_t *)malloc( sizeof( libvlc_instance_t ) );
+}
- /** \todo Look for interface settings. If we don't have any, add -I dummy */
- /* Because we probably don't want a GUI by default */
+int libvlc_add_intf( libvlc_instance_t *p_i, const char *name )
+{
+ return libvlc_InternalAddIntf( p_i->p_libvlc_int, name ) ? -1 : 0;
+}
- if( !p_new )
- {
- libvlc_exception_raise( p_exception, "Out of memory" );
- return NULL;
- }
+void libvlc_set_exit_handler( libvlc_instance_t *p_i, void (*cb) (void *),
+ void *data )
+{
+ libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
+ libvlc_SetExitHandler( p_libvlc, cb, data );
+}
- VLC_Init( i_vlc_id, argc, argv );
+void libvlc_wait( libvlc_instance_t *p_i )
+{
+ libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
+ libvlc_InternalWait( p_libvlc );
+}
- p_new->p_vlc = p_vlc;
- p_new->p_playlist = (playlist_t *)vlc_object_find( p_new->p_vlc,
- VLC_OBJECT_PLAYLIST, FIND_CHILD );
- p_new->p_vlm = NULL;
+void libvlc_set_user_agent (libvlc_instance_t *p_i,
+ const char *name, const char *http)
+{
+ libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
+ char *str;
- if( !p_new->p_playlist )
+ var_SetString (p_libvlc, "user-agent", name);
+ if ((http != NULL)
+ && (asprintf (&str, "%s LibVLC/"PACKAGE_VERSION, http) != -1))
{
- libvlc_exception_raise( p_exception, "Playlist creation failed" );
- return NULL;
+ var_SetString (p_libvlc, "http-user-agent", str);
+ free (str);
}
- p_new->i_vlc_id = i_vlc_id;
+}
- return p_new;
+const char * libvlc_get_version(void)
+{
+ return VLC_Version();
+}
+
+const char * libvlc_get_compiler(void)
+{
+ return VLC_Compiler();
}
-void libvlc_destroy( libvlc_instance_t *p_instance )
+const char * libvlc_get_changeset(void)
{
- if( p_instance->p_playlist )
- vlc_object_release( p_instance->p_playlist );
- vlc_object_release( p_instance->p_vlc );
- VLC_CleanUp( p_instance->i_vlc_id );
- VLC_Destroy( p_instance->i_vlc_id );
+ extern const char psz_vlc_changeset[];
+ return psz_vlc_changeset;
}