Remove debug-only dependency of vlc_events on vlc_object

include/vlc_events.h

@@ -105,12 +105,10 @@ typedef struct vlc_event_manager_t
     void * p_obj;
     vlc_mutex_t object_lock;
     vlc_mutex_t event_sending_lock;
-    vlc_object_t *p_parent_object;
     DECL_ARRAY(struct vlc_event_listeners_group_t *) listeners_groups;
 } vlc_event_manager_t;
 
 /* List of event */
-/* Be sure to keep sync-ed with misc/events.c debug name table */
 typedef enum vlc_event_type_t {
     /* Input (thread) events */
     vlc_InputStateChanged,
@@ -216,15 +214,8 @@ typedef void ( *vlc_event_callback_t )( const vlc_event_t *, void * );
 /*
  * p_obj points to the object that owns the event manager, and from
  * which events are sent
- * p_obj is here to give us a libvlc instance
  */
-#define vlc_event_manager_init_with_vlc_object(a,b) \
-            vlc_event_manager_init( a, b, b )
-
-VLC_API int vlc_event_manager_init( vlc_event_manager_t * p_em,
-                                    void * p_obj, vlc_object_t * );
-#define vlc_event_manager_init(a,b,c) \
-            vlc_event_manager_init(a, b, VLC_OBJECT(c))
+VLC_API int vlc_event_manager_init( vlc_event_manager_t * p_em, void * p_obj );
 
 /*
  * Destroy
@@ -248,14 +239,12 @@ VLC_API void vlc_event_send( vlc_event_manager_t * p_em, vlc_event_t * );
 VLC_API int vlc_event_attach( vlc_event_manager_t * p_event_manager,
                               vlc_event_type_t event_type,
                               vlc_event_callback_t pf_callback,
-                              void *p_user_data,
-                              const char * psz_debug_name );
-#define vlc_event_attach(a, b, c, d) vlc_event_attach(a, b, c, d, #c)
+                              void *p_user_data );
 
 /*
  * Remove a callback for an event.
  */
-VLC_API int vlc_event_detach( vlc_event_manager_t *p_event_manager,
+VLC_API void vlc_event_detach( vlc_event_manager_t *p_event_manager,
                                vlc_event_type_t event_type,
                                vlc_event_callback_t pf_callback,
                                void *p_user_data );

src/input/item.c

@@ -60,7 +60,7 @@ static inline void input_item_Init( vlc_object_t *p_o, input_item_t *p_i )
 
     vlc_mutex_init( &p_i->lock );
     vlc_event_manager_t * p_em = &p_i->event_manager;
-    vlc_event_manager_init( p_em, p_i, p_o );
+    vlc_event_manager_init( p_em, p_i );
     vlc_event_manager_register_event_type( p_em, vlc_InputItemMetaChanged );
     vlc_event_manager_register_event_type( p_em, vlc_InputItemSubItemAdded );
     vlc_event_manager_register_event_type( p_em, vlc_InputItemSubItemTreeAdded );

src/misc/events.c

@@ -42,8 +42,6 @@
  * Documentation : Read vlc_events.h
  *****************************************************************************/
 
-//#define DEBUG_EVENT
-
 /*****************************************************************************
  *  Private types.
  *****************************************************************************/
@@ -52,9 +50,6 @@ typedef struct vlc_event_listener_t
 {
     void *               p_user_data;
     vlc_event_callback_t pf_callback;
-#ifdef DEBUG_EVENT
-    char *               psz_debug_name;
-#endif
 } vlc_event_listener_t;
 
 typedef struct vlc_event_listeners_group_t
@@ -69,27 +64,6 @@ typedef struct vlc_event_listeners_group_t
                                          
 } vlc_event_listeners_group_t;
 
-#ifdef DEBUG_EVENT
-static const char ppsz_event_type_to_name[][40] =
-{
-    [vlc_InputStateChanged]             = "vlc_InputStateChanged",
-    [vlc_InputSelectedStreamChanged]    = "vlc_InputSelectedStreamChanged",
-
-    [vlc_InputItemMetaChanged]          = "vlc_InputItemMetaChanged",
-    [vlc_InputItemSubItemAdded]         = "vlc_InputItemSubItemAdded",
-    [vlc_InputItemDurationChanged]      = "vlc_InputItemDurationChanged",
-    [vlc_InputItemPreparsedChanged]     = "vlc_InputItemPreparsedChanged",
-    [vlc_InputItemNameChanged]          = "vlc_InputItemNameChanged",
-    [vlc_InputItemInfoChanged]          = "vlc_InputItemInfoChanged",
-    [vlc_InputItemErrorWhenReadingChanged] = "vlc_InputItemErrorWhenReadingChanged",
-
-    [vlc_ServicesDiscoveryItemAdded]    = "vlc_ServicesDiscoveryItemAdded",
-    [vlc_ServicesDiscoveryItemRemoved]  = "vlc_ServicesDiscoveryItemRemoved",
-    [vlc_ServicesDiscoveryStarted]      = "vlc_ServicesDiscoveryStarted",
-    [vlc_ServicesDiscoveryEnded]        = "vlc_ServicesDiscoveryEnded"
-};
-#endif
-
 static bool
 listeners_are_equal( vlc_event_listener_t * listener1,
                      vlc_event_listener_t * listener2 )
@@ -120,13 +94,10 @@ group_contains_listener( vlc_event_listeners_group_t * group,
  * p_obj is the object that contains the event manager. But not
  * necessarily a vlc_object_t (an input_item_t is not a vlc_object_t
  * for instance).
- * p_parent_obj gives a libvlc instance
  */
-int vlc_event_manager_init( vlc_event_manager_t * p_em, void * p_obj,
-                            vlc_object_t * p_parent_obj )
+int vlc_event_manager_init( vlc_event_manager_t * p_em, void * p_obj )
 {
     p_em->p_obj = p_obj;
-    p_em->p_parent_object = p_parent_obj;
     vlc_mutex_init( &p_em->object_lock );
 
     /* We need a recursive lock here, because we need to be able
@@ -219,9 +190,6 @@ void vlc_event_send( vlc_event_manager_t * p_em,
             cached_listener = array_of_cached_listeners;
             FOREACH_ARRAY( listener, listeners_group->listeners )
                 memcpy( cached_listener, listener, sizeof(vlc_event_listener_t));
-#ifdef DEBUG_EVENT
-                cached_listener->psz_debug_name = strdup(cached_listener->psz_debug_name);
-#endif
                 cached_listener++;
             FOREACH_END()
 
@@ -246,14 +214,6 @@ void vlc_event_send( vlc_event_manager_t * p_em,
 
     for( i = 0; i < i_cached_listeners; i++ )
     {
-#ifdef DEBUG_EVENT
-        msg_Dbg( p_em->p_parent_object,
-                    "Calling '%s' with a '%s' event (data %p)",
-                    cached_listener->psz_debug_name,
-                    ppsz_event_type_to_name[p_event->type],
-                    cached_listener->p_user_data );
-        free(cached_listener->psz_debug_name);
-#endif
         /* No need to lock on listeners_group, a listener group can't be removed */
         if( listeners_group->b_sublistener_removed )
         {
@@ -264,9 +224,6 @@ void vlc_event_send( vlc_event_manager_t * p_em,
             vlc_mutex_unlock( &p_em->object_lock );
             if( !valid_listener )
             {
-#ifdef DEBUG_EVENT
-                msg_Dbg( p_em->p_parent_object, "Callback was removed during execution" );
-#endif
                 cached_listener++;
                 continue;
             }
@@ -286,8 +243,7 @@ void vlc_event_send( vlc_event_manager_t * p_em,
 int vlc_event_attach( vlc_event_manager_t * p_em,
                       vlc_event_type_t event_type,
                       vlc_event_callback_t pf_callback,
-                      void *p_user_data,
-                      const char * psz_debug_name )
+                      void *p_user_data )
 {
     vlc_event_listeners_group_t * listeners_group;
     vlc_event_listener_t * listener;
@@ -297,40 +253,25 @@ int vlc_event_attach( vlc_event_manager_t * p_em,
  
     listener->p_user_data = p_user_data;
     listener->pf_callback = pf_callback;
-#ifdef DEBUG_EVENT
-    listener->psz_debug_name = strdup( psz_debug_name );
-#else
-    (void)psz_debug_name;
-#endif
 
     vlc_mutex_lock( &p_em->object_lock );
     FOREACH_ARRAY( listeners_group, p_em->listeners_groups )
         if( listeners_group->event_type == event_type )
         {
             ARRAY_APPEND( listeners_group->listeners, listener );
-#ifdef DEBUG_EVENT
-                msg_Dbg( p_em->p_parent_object,
-                    "Listening to '%s' event with '%s' (data %p)",
-                    ppsz_event_type_to_name[event_type],
-                    listener->psz_debug_name,
-                    listener->p_user_data );
-#endif
             vlc_mutex_unlock( &p_em->object_lock );
             return VLC_SUCCESS;
         }
     FOREACH_END()
-    vlc_mutex_unlock( &p_em->object_lock );
-
-    msg_Err( p_em->p_parent_object, "cannot attach to an object event" );
-    free(listener);
-    return VLC_EGENERIC;
+    /* Unknown event = BUG */
+    assert( 0 );
 }
 
 /**
  * Remove a callback for an event.
  */
 
-int vlc_event_detach( vlc_event_manager_t *p_em,
+void vlc_event_detach( vlc_event_manager_t *p_em,
                        vlc_event_type_t event_type,
                        vlc_event_callback_t pf_callback,
                        void *p_user_data )
@@ -355,28 +296,14 @@ int vlc_event_detach( vlc_event_manager_t *p_em,
                     ARRAY_REMOVE( listeners_group->listeners,
                         fe_idx /* This comes from the macro (and that's why
                                   I hate macro) */ );
-#ifdef DEBUG_EVENT
-                    msg_Dbg( p_em->p_parent_object,
-                        "Detaching '%s' from '%s' event (data %p)",
-                        listener->psz_debug_name,
-                        ppsz_event_type_to_name[event_type],
-                        listener->p_user_data );
-
-                    free( listener->psz_debug_name );
-#endif
                     free( listener );
                     vlc_mutex_unlock( &p_em->event_sending_lock );
                     vlc_mutex_unlock( &p_em->object_lock );
-                    return VLC_SUCCESS;
+                    return;
                 }
             FOREACH_END()
         }
     FOREACH_END()
-    vlc_mutex_unlock( &p_em->event_sending_lock );
-    vlc_mutex_unlock( &p_em->object_lock );
 
-    msg_Warn( p_em->p_parent_object, "cannot detach from an object event" );
-
-    return VLC_EGENERIC;
+    assert( 0 );
 }
-

src/playlist/services_discovery.c

@@ -118,7 +118,7 @@ services_discovery_t *vlc_sd_Create( vlc_object_t *p_super,
     free(config_ChainCreate( &p_sd->psz_name, &p_sd->p_cfg, cfg ));
 
     vlc_event_manager_t *em = &p_sd->event_manager;
-    vlc_event_manager_init( em, p_sd, (vlc_object_t *)p_sd );
+    vlc_event_manager_init( em, p_sd );
     vlc_event_manager_register_event_type(em, vlc_ServicesDiscoveryItemAdded);
     vlc_event_manager_register_event_type(em, vlc_ServicesDiscoveryItemRemoved);
     vlc_event_manager_register_event_type(em, vlc_ServicesDiscoveryStarted);