* 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"
#include <vlc/libvlc.h>
#include <vlc_interface.h>
+#include <vlc_vlm.h>
+
+#include <stdarg.h>
+#include <limits.h>
+#include <assert.h>
+
+static const char nomemstr[] = "Insufficient memory";
/*************************************************************************
* Exceptions handling
void libvlc_exception_init( libvlc_exception_t *p_exception )
{
p_exception->b_raised = 0;
- p_exception->psz_message = NULL;
}
void libvlc_exception_clear( libvlc_exception_t *p_exception )
{
- if( p_exception->psz_message )
- free( p_exception->psz_message );
- p_exception->psz_message = NULL;
+ if( NULL == p_exception )
+ return;
p_exception->b_raised = 0;
+ libvlc_clearerr ();
}
-int libvlc_exception_raised( libvlc_exception_t *p_exception )
+int libvlc_exception_raised( const libvlc_exception_t *p_exception )
{
return (NULL != p_exception) && p_exception->b_raised;
}
-char *libvlc_exception_get_message( libvlc_exception_t *p_exception )
+static void libvlc_exception_not_handled( const char *psz )
{
- if( p_exception->b_raised == 1 && p_exception->psz_message )
- {
- return p_exception->psz_message;
- }
- return NULL;
+ fprintf( stderr, "*** LibVLC Exception not handled: %s\nSet a breakpoint in '%s' to debug.\n",
+ psz, __func__ );
+ abort();
}
void libvlc_exception_raise( libvlc_exception_t *p_exception,
- const char *psz_format, ... )
+ const char *psz_format, ... )
{
va_list args;
- /* does caller care about exceptions ? */
- if( p_exception == NULL ) return;
-
- /* remove previous exception if it wasn't cleared */
- if( p_exception->b_raised && p_exception->psz_message )
- free(p_exception->psz_message);
+ /* Make sure that there is no unnoticed previous exception */
+ if( p_exception && p_exception->b_raised )
+ {
+ libvlc_exception_not_handled( libvlc_errmsg() );
+ libvlc_exception_clear( p_exception );
+ }
+ /* Unformat-ize the message */
va_start( args, psz_format );
- if( vasprintf( &p_exception->psz_message, psz_format, args ) == -1)
- p_exception->psz_message = NULL;
+ libvlc_vprinterr( psz_format, args );
va_end( args );
+ /* Does caller care about exceptions ? */
+ if( p_exception == NULL ) {
+ /* Print something, so that lazy third-parties can easily
+ * notice that something may have gone unnoticedly wrong */
+ libvlc_exception_not_handled( libvlc_errmsg() );
+ return;
+ }
+
p_exception->b_raised = 1;
}
-libvlc_instance_t * libvlc_new( int argc, char **argv,
+libvlc_instance_t * libvlc_new( int argc, const char *const *argv,
libvlc_exception_t *p_e )
{
libvlc_instance_t *p_new;
+ int i_ret;
+
+ libvlc_init_threads ();
libvlc_int_t *p_libvlc_int = libvlc_InternalCreate();
- if( !p_libvlc_int ) RAISENULL( "VLC initialization failed" );
+ if( !p_libvlc_int )
+ {
+ libvlc_deinit_threads ();
+ RAISENULL( "VLC initialization failed" );
+ }
+
+ p_new = malloc( sizeof( libvlc_instance_t ) );
+ if( !p_new )
+ {
+ libvlc_deinit_threads ();
+ RAISENULL( "Out of memory" );
+ }
+
+ const char *my_argv[argc + 2];
- p_new = (libvlc_instance_t *)malloc( sizeof( libvlc_instance_t ) );
- if( !p_new ) RAISENULL( "Out of memory" );
+ 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 */
/** \todo Look for interface settings. If we don't have any, add -I dummy */
/* Because we probably don't want a GUI by default */
- if( libvlc_InternalInit( p_libvlc_int, argc, argv ) )
- RAISENULL( "VLC initialization failed" );
+ i_ret = libvlc_InternalInit( p_libvlc_int, argc + 1, my_argv );
+ if( i_ret )
+ {
+ libvlc_InternalDestroy( p_libvlc_int );
+ free( p_new );
+ libvlc_deinit_threads ();
+
+ if( i_ret == VLC_EEXITSUCCESS )
+ return NULL;
+ else
+ RAISENULL( "VLC initialization failed" );
+ }
p_new->p_libvlc_int = p_libvlc_int;
- p_new->p_vlm = NULL;
+ p_new->libvlc_vlm.p_vlm = NULL;
+ p_new->libvlc_vlm.p_event_manager = NULL;
+ p_new->libvlc_vlm.pf_release = NULL;
p_new->b_playlist_locked = 0;
+ p_new->ref_count = 1;
+ p_new->verbosity = 1;
p_new->p_callback_list = NULL;
- vlc_mutex_init(p_libvlc_int, &p_new->instance_lock);
- vlc_mutex_init(p_libvlc_int, &p_new->event_callback_lock);
-
- libvlc_event_init(p_new, p_e);
+ vlc_mutex_init(&p_new->instance_lock);
+ vlc_mutex_init(&p_new->event_callback_lock);
return p_new;
}
-void libvlc_destroy( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
+void libvlc_retain( libvlc_instance_t *p_instance )
+{
+ assert( p_instance != NULL );
+ assert( p_instance->ref_count < UINT_MAX );
+
+ vlc_mutex_lock( &p_instance->instance_lock );
+ p_instance->ref_count++;
+ vlc_mutex_unlock( &p_instance->instance_lock );
+}
+
+void libvlc_release( libvlc_instance_t *p_instance )
+{
+ vlc_mutex_t *lock = &p_instance->instance_lock;
+ int refs;
+
+ vlc_mutex_lock( lock );
+ assert( p_instance->ref_count > 0 );
+ refs = --p_instance->ref_count;
+ vlc_mutex_unlock( lock );
+
+ if( refs == 0 )
+ {
+ vlc_mutex_destroy( lock );
+ vlc_mutex_destroy( &p_instance->event_callback_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 ();
+ }
+}
+
+int libvlc_add_intf( libvlc_instance_t *p_i, const char *name,
+ libvlc_exception_t *p_e )
+{
+ if( libvlc_InternalAddIntf( p_i->p_libvlc_int, name ) )
+ {
+ libvlc_exception_raise( p_e, "Interface initialization failed" );
+ return -1;
+ }
+ return 0;
+}
+
+void libvlc_wait( libvlc_instance_t *p_i )
+{
+ libvlc_int_t *p_libvlc = p_i->p_libvlc_int;
+ libvlc_InternalWait( p_libvlc );
+}
+
+const char * libvlc_get_version(void)
+{
+ return VLC_Version();
+}
+
+const char * libvlc_get_compiler(void)
+{
+ return VLC_Compiler();
+}
+
+const char * libvlc_get_changeset(void)
+{
+ extern const char psz_vlc_changeset[];
+ return psz_vlc_changeset;
+}
+
+/* export internal libvlc_instance for ugly hacks with libvlccore */
+vlc_object_t *libvlc_get_vlc_instance( libvlc_instance_t* p_instance )
{
- libvlc_event_fini( p_instance, p_e );
- vlc_mutex_destroy( &p_instance->instance_lock );
- vlc_mutex_destroy( &p_instance->event_callback_lock);
- libvlc_InternalCleanup( p_instance->p_libvlc_int );
- libvlc_InternalDestroy( p_instance->p_libvlc_int, VLC_FALSE );
- free( p_instance );
+ vlc_object_hold( p_instance->p_libvlc_int ) ;
+ return (vlc_object_t*) p_instance->p_libvlc_int ;
}
-int libvlc_get_vlc_id( libvlc_instance_t *p_instance )
+void libvlc_free( void *ptr )
{
- return p_instance->p_libvlc_int->i_object_id;
+ free( ptr );
}
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