]> git.sesse.net Git - vlc/blobdiff - src/control/media_list_player.c
Move mediacontrol to bindings
[vlc] / src / control / media_list_player.c
index 5402400bc3d70d143050f2acb9a7c6c6abea3af7..c8cf76c8ac868c90217bd2b6c50ab70ae931a0e3 100644 (file)
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <vlc/libvlc.h>
 #include <vlc/libvlc_media.h>
 #include <vlc/libvlc_media_list.h>
@@ -77,10 +81,10 @@ static inline void vlc_assert_locked(vlc_mutex_t *mutex)
  */
 
 static void set_relative_playlist_position_and_play(
-                                            libvlc_media_list_player_t * p_mlp, 
-                                            int i_relative_position, 
+                                            libvlc_media_list_player_t * p_mlp,
+                                            int i_relative_position,
                                             libvlc_exception_t * p_e);
-static void stop(libvlc_media_list_player_t * p_mlp, libvlc_exception_t * p_e);
+static void stop(libvlc_media_list_player_t * p_mlp);
 
 /*
  * Private functions
@@ -93,7 +97,7 @@ static inline void lock(libvlc_media_list_player_t * p_mlp)
 {
     // Obtain an access to this structure
     vlc_mutex_lock(&p_mlp->object_lock);
-    
+
     // Make sure no callback will occurs at the same time
     vlc_mutex_lock(&p_mlp->mp_callback_lock);
 }
@@ -112,19 +116,19 @@ static inline void assert_locked(libvlc_media_list_player_t * p_mlp)
 static inline libvlc_event_manager_t * mlist_em(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
-    return libvlc_media_list_event_manager(p_mlp->p_mlist, NULL);
+    return libvlc_media_list_event_manager(p_mlp->p_mlist);
 }
 
 static inline libvlc_event_manager_t * mplayer_em(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
-    return libvlc_media_player_event_manager(p_mlp->p_mi, NULL);
+    return libvlc_media_player_event_manager(p_mlp->p_mi);
 }
 
 /**************************************************************************
  *       get_next_path (private)
  *
- *  Returns the path to the next item in the list.  
+ *  Returns the path to the next item in the list.
  *  If looping is specified and the current item is the last list item in
  *  the list it will return the first item in the list.
  **************************************************************************/
@@ -140,15 +144,15 @@ get_next_path(libvlc_media_list_player_t * p_mlp, bool b_loop)
 
     if (!p_mlp->current_playing_item_path)
     {
-        if (!libvlc_media_list_count(p_mlp->p_mlist, NULL))
+        if (!libvlc_media_list_count(p_mlp->p_mlist))
             return NULL;
         return libvlc_media_list_path_with_root_index(0);
     }
-    
+
     p_sublist_of_playing_item = libvlc_media_list_sublist_at_path(
                             p_mlp->p_mlist,
                             p_mlp->current_playing_item_path);
+
     /* If item just gained a sublist just play it */
     if (p_sublist_of_playing_item)
     {
@@ -168,7 +172,7 @@ get_next_path(libvlc_media_list_player_t * p_mlp, bool b_loop)
     ret[depth - 1]++; /* set to next element */
 
     /* If this goes beyond the end of the list */
-    while(ret[depth-1] >= libvlc_media_list_count(p_parent_of_playing_item, NULL))
+    while(ret[depth-1] >= libvlc_media_list_count(p_parent_of_playing_item))
     {
         depth--;
         if (depth <= 0)
@@ -203,7 +207,7 @@ get_next_path(libvlc_media_list_player_t * p_mlp, bool b_loop)
  *  Returns the path of the last descendant of a given item path.
  *  Note: Due to the recursive nature of the function and the need to free
  *        media list paths, paths passed in may be freed if they are replaced.
-          Recommended usage is to set return value to the same path that was 
+          Recommended usage is to set return value to the same path that was
           passed to the function (i.e. item = find_last_item(list, item); )
  **************************************************************************/
 static libvlc_media_list_path_t
@@ -214,7 +218,7 @@ find_last_item( libvlc_media_list_t * p_mlist, libvlc_media_list_path_t current_
 
     if(p_sublist)
     {
-        int i_count = libvlc_media_list_count(p_sublist, NULL);
+        int i_count = libvlc_media_list_count(p_sublist);
         if(i_count > 0)
         {
             /* Add the last sublist item to the path. */
@@ -225,7 +229,7 @@ find_last_item( libvlc_media_list_t * p_mlist, libvlc_media_list_path_t current_
         }
 
         libvlc_media_list_release(p_sublist);
-    }    
+    }
 
     return last_item_path;
 }
@@ -233,7 +237,7 @@ find_last_item( libvlc_media_list_t * p_mlist, libvlc_media_list_path_t current_
 /**************************************************************************
  *       get_previous_path (private)
  *
- *  Returns the path to the preceding item in the list.  
+ *  Returns the path to the preceding item in the list.
  *  If looping is specified and the current item is the first list item in
  *  the list it will return the last descendant of the last item in the list.
  **************************************************************************/
@@ -248,11 +252,11 @@ get_previous_path(libvlc_media_list_player_t * p_mlp, bool b_loop)
 
     if (!p_mlp->current_playing_item_path)
     {
-        if (!libvlc_media_list_count(p_mlp->p_mlist, NULL))
+        if (!libvlc_media_list_count(p_mlp->p_mlist))
             return NULL;
         return libvlc_media_list_path_with_root_index(0);
     }
-    
+
     /* Try to catch parent element */
     p_parent_of_playing_item = libvlc_media_list_parentlist_at_path(
                                             p_mlp->p_mlist,
@@ -281,7 +285,7 @@ get_previous_path(libvlc_media_list_player_t * p_mlp, bool b_loop)
             // Is looping enabled?
             if(b_loop)
             {
-                int i_count = libvlc_media_list_count(p_parent_of_playing_item, NULL);
+                int i_count = libvlc_media_list_count(p_parent_of_playing_item);
 
                 /* Set current play item to the last element in the list */
                 ret[0] = i_count - 1;
@@ -342,21 +346,8 @@ media_player_reached_end(const libvlc_event_t * p_event, void * p_user_data)
 static void
 mlist_item_deleted(const libvlc_event_t * p_event, void * p_user_data)
 {
-    libvlc_media_list_player_t * p_mlp = p_user_data;
-    libvlc_media_list_t * p_emitting_mlist = p_event->p_obj;
-    libvlc_media_t * p_current_md = NULL;
-
-    lock(p_mlp);
-    if (p_mlp->current_playing_item_path)
-        p_current_md = libvlc_media_list_item_at_path(p_mlp->p_mlist, p_mlp->current_playing_item_path);
-
-    if (p_event->u.media_list_item_deleted.item == p_current_md &&
-        p_emitting_mlist == p_mlp->p_mlist)
-    {
-        /* We are playing this item, let's stop */
-        stop(p_mlp, NULL);
-    }
-    unlock(p_mlp);
+    // Nothing to do. For now.
+    (void)p_event; (void)p_user_data;
 }
 
 
@@ -367,7 +358,7 @@ static void
 install_playlist_observer(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
-    libvlc_event_attach(mlist_em(p_mlp), libvlc_MediaListItemDeleted, mlist_item_deleted, p_mlp, NULL);
+    libvlc_event_attach(mlist_em(p_mlp), libvlc_MediaListItemDeleted, mlist_item_deleted, p_mlp);
 }
 
 /**************************************************************************
@@ -378,7 +369,7 @@ uninstall_playlist_observer(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
     if (!p_mlp->p_mlist) return;
-    libvlc_event_detach(mlist_em(p_mlp), libvlc_MediaListItemDeleted, mlist_item_deleted, p_mlp, NULL);
+    libvlc_event_detach(mlist_em(p_mlp), libvlc_MediaListItemDeleted, mlist_item_deleted, p_mlp);
 }
 
 /**************************************************************************
@@ -388,7 +379,7 @@ static void
 install_media_player_observer(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
-    libvlc_event_attach_async(mplayer_em(p_mlp), libvlc_MediaPlayerEndReached, media_player_reached_end, p_mlp, NULL);
+    libvlc_event_attach_async(mplayer_em(p_mlp), libvlc_MediaPlayerEndReached, media_player_reached_end, p_mlp);
 }
 
 
@@ -407,7 +398,7 @@ uninstall_media_player_observer(libvlc_media_list_player_t * p_mlp)
     // Allow callbacks to run, because detach() will wait until all callbacks are processed.
     // This is safe because only callbacks are allowed, and there execution will be cancelled.
     vlc_mutex_unlock(&p_mlp->mp_callback_lock);
-    libvlc_event_detach(mplayer_em(p_mlp), libvlc_MediaPlayerEndReached, media_player_reached_end, p_mlp, NULL);
+    libvlc_event_detach(mplayer_em(p_mlp), libvlc_MediaPlayerEndReached, media_player_reached_end, p_mlp);
 
     // Now, lock back the callback lock. No more callback will be present from this point.
     vlc_mutex_lock(&p_mlp->mp_callback_lock);
@@ -441,15 +432,15 @@ set_current_playing_item(libvlc_media_list_player_t * p_mlp, libvlc_media_list_p
     p_md = libvlc_media_list_item_at_path(p_mlp->p_mlist, path);
     if (!p_md)
         return;
-    
+
     /* Make sure media_player_reached_end() won't get called */
     uninstall_media_player_observer(p_mlp);
 
     /* Create a new media_player if there is none */
     if (!p_mlp->p_mi)
-        p_mlp->p_mi = libvlc_media_player_new_from_media(p_md, NULL);
+        p_mlp->p_mi = libvlc_media_player_new_from_media(p_md);
 
-    libvlc_media_player_set_media(p_mlp->p_mi, p_md, NULL);
+    libvlc_media_player_set_media(p_mlp->p_mi, p_md);
 
     install_media_player_observer(p_mlp);
     libvlc_media_release(p_md); /* for libvlc_media_list_item_at_index */
@@ -463,21 +454,29 @@ set_current_playing_item(libvlc_media_list_player_t * p_mlp, libvlc_media_list_p
  *         new (Public)
  **************************************************************************/
 libvlc_media_list_player_t *
-libvlc_media_list_player_new(libvlc_instance_t * p_instance, libvlc_exception_t * p_e)
+libvlc_media_list_player_new(libvlc_instance_t * p_instance)
 {
-    (void)p_e;
     libvlc_media_list_player_t * p_mlp;
     p_mlp = calloc( 1, sizeof(libvlc_media_list_player_t) );
-    if (!p_mlp)
+    if (unlikely(p_mlp == NULL))
+    {
+        libvlc_printerr("Not enough memory");
+        return NULL;
+    }
+
+    p_mlp->p_event_manager = libvlc_event_manager_new(p_mlp, p_instance);
+    if (unlikely(p_mlp->p_event_manager == NULL))
+    {
+        free (p_mlp);
         return NULL;
+    }
 
     libvlc_retain(p_instance);
     p_mlp->p_libvlc_instance = p_instance;
     p_mlp->i_refcount = 1;
     vlc_mutex_init(&p_mlp->object_lock);
     vlc_mutex_init(&p_mlp->mp_callback_lock);
-    p_mlp->p_event_manager = libvlc_event_manager_new(p_mlp, p_instance, p_e);
-    libvlc_event_manager_register_event_type(p_mlp->p_event_manager, libvlc_MediaListPlayerNextItemSet, p_e);
+    libvlc_event_manager_register_event_type(p_mlp->p_event_manager, libvlc_MediaListPlayerNextItemSet);
     p_mlp->e_playback_mode = libvlc_playback_mode_default;
 
     return p_mlp;
@@ -508,7 +507,7 @@ void libvlc_media_list_player_release(libvlc_media_list_player_t * p_mlp)
     {
         uninstall_media_player_observer(p_mlp);
         libvlc_media_player_release(p_mlp->p_mi);
-    }    
+    }
     if (p_mlp->p_mlist)
     {
         uninstall_playlist_observer(p_mlp);
@@ -520,7 +519,7 @@ void libvlc_media_list_player_release(libvlc_media_list_player_t * p_mlp)
     vlc_mutex_destroy(&p_mlp->mp_callback_lock);
 
     libvlc_event_manager_release(p_mlp->p_event_manager);
-    
+
     free(p_mlp->current_playing_item_path);
     libvlc_release(p_mlp->p_libvlc_instance);
     free(p_mlp);
@@ -538,10 +537,8 @@ libvlc_media_list_player_event_manager(libvlc_media_list_player_t * p_mlp)
 /**************************************************************************
  *        set_media_player (Public)
  **************************************************************************/
-void libvlc_media_list_player_set_media_player(libvlc_media_list_player_t * p_mlp, libvlc_media_player_t * p_mi, libvlc_exception_t * p_e)
+void libvlc_media_list_player_set_media_player(libvlc_media_list_player_t * p_mlp, libvlc_media_player_t * p_mi)
 {
-    VLC_UNUSED(p_e);
-
     lock(p_mlp);
 
     if (p_mlp->p_mi)
@@ -560,16 +557,11 @@ void libvlc_media_list_player_set_media_player(libvlc_media_list_player_t * p_ml
 /**************************************************************************
  *       set_media_list (Public)
  **************************************************************************/
-void libvlc_media_list_player_set_media_list(libvlc_media_list_player_t * p_mlp, libvlc_media_list_t * p_mlist, libvlc_exception_t * p_e)
+void libvlc_media_list_player_set_media_list(libvlc_media_list_player_t * p_mlp, libvlc_media_list_t * p_mlist)
 {
-    lock(p_mlp);
+    assert (p_mlist);
 
-    if (!p_mlist)
-    {
-        libvlc_exception_raise(p_e, "No media list provided");
-        unlock(p_mlp);
-        return;
-    }
+    lock(p_mlp);
     if (p_mlp->p_mlist)
     {
         uninstall_playlist_observer(p_mlp);
@@ -577,7 +569,7 @@ void libvlc_media_list_player_set_media_list(libvlc_media_list_player_t * p_mlp,
     }
     libvlc_media_list_retain(p_mlist);
     p_mlp->p_mlist = p_mlist;
+
     install_playlist_observer(p_mlp);
 
     unlock(p_mlp);
@@ -595,7 +587,7 @@ void libvlc_media_list_player_play(libvlc_media_list_player_t * p_mlp, libvlc_ex
         unlock(p_mlp);
         return; /* Will set to play */
     }
-    libvlc_media_player_play(p_mlp->p_mi, p_e);
+    libvlc_media_player_play(p_mlp->p_mi);
     unlock(p_mlp);
 }
 
@@ -611,7 +603,7 @@ void libvlc_media_list_player_pause(libvlc_media_list_player_t * p_mlp, libvlc_e
         unlock(p_mlp);
         return;
     }
-    libvlc_media_player_pause(p_mlp->p_mi, p_e);
+    libvlc_media_player_pause(p_mlp->p_mi);
     unlock(p_mlp);
 }
 
@@ -619,9 +611,9 @@ void libvlc_media_list_player_pause(libvlc_media_list_player_t * p_mlp, libvlc_e
  *        is_playing (Public)
  **************************************************************************/
 int
-libvlc_media_list_player_is_playing(libvlc_media_list_player_t * p_mlp, libvlc_exception_t * p_e)
+libvlc_media_list_player_is_playing(libvlc_media_list_player_t * p_mlp)
 {
-    libvlc_state_t state = libvlc_media_player_get_state(p_mlp->p_mi, p_e);
+    libvlc_state_t state = libvlc_media_player_get_state(p_mlp->p_mi);
     return (state == libvlc_Opening) || (state == libvlc_Buffering) ||
            (state == libvlc_Playing);
 }
@@ -630,23 +622,21 @@ libvlc_media_list_player_is_playing(libvlc_media_list_player_t * p_mlp, libvlc_e
  *        State (Public)
  **************************************************************************/
 libvlc_state_t
-libvlc_media_list_player_get_state(libvlc_media_list_player_t * p_mlp, libvlc_exception_t * p_e)
+libvlc_media_list_player_get_state(libvlc_media_list_player_t * p_mlp)
 {
     if (!p_mlp->p_mi)
         return libvlc_Ended;
-    return libvlc_media_player_get_state(p_mlp->p_mi, p_e);
+    return libvlc_media_player_get_state(p_mlp->p_mi);
 }
 
 /**************************************************************************
  *        Play item at index (Public)
  **************************************************************************/
-void libvlc_media_list_player_play_item_at_index(libvlc_media_list_player_t * p_mlp, int i_index, libvlc_exception_t * p_e)
+void libvlc_media_list_player_play_item_at_index(libvlc_media_list_player_t * p_mlp, int i_index, libvlc_exception_t *p_e)
 {
-    VLC_UNUSED(p_e);
-
     lock(p_mlp);
     set_current_playing_item(p_mlp, libvlc_media_list_path_with_root_index(i_index));
-    libvlc_media_player_play(p_mlp->p_mi, p_e);
+    libvlc_media_player_play(p_mlp->p_mi);
     unlock(p_mlp);
 
     /* Send the next item event */
@@ -664,13 +654,14 @@ void libvlc_media_list_player_play_item(libvlc_media_list_player_t * p_mlp, libv
     libvlc_media_list_path_t path = libvlc_media_list_path_of_item(p_mlp->p_mlist, p_md);
     if (!path)
     {
-        libvlc_exception_raise(p_e, "No such item in media list");
+        libvlc_exception_raise(p_e);
+        libvlc_printerr("Item not found in media list");
         unlock(p_mlp);
         return;
     }
-    
+
     set_current_playing_item(p_mlp, path);
-    libvlc_media_player_play(p_mlp->p_mi, p_e);
+    libvlc_media_player_play(p_mlp->p_mi);
     unlock(p_mlp);
 }
 
@@ -679,15 +670,15 @@ void libvlc_media_list_player_play_item(libvlc_media_list_player_t * p_mlp, libv
  *
  * Lock must be held.
  **************************************************************************/
-static void stop(libvlc_media_list_player_t * p_mlp, libvlc_exception_t * p_e)
+static void stop(libvlc_media_list_player_t * p_mlp)
 {
     assert_locked(p_mlp);
 
-    if (p_mlp->p_mi && p_mlp->current_playing_item_path)
+    if (p_mlp->p_mi)
     {
         /* We are not interested in getting media stop event now */
         uninstall_media_player_observer(p_mlp);
-        libvlc_media_player_stop(p_mlp->p_mi, p_e);
+        libvlc_media_player_stop(p_mlp->p_mi);
         install_media_player_observer(p_mlp);
     }
 
@@ -698,31 +689,31 @@ static void stop(libvlc_media_list_player_t * p_mlp, libvlc_exception_t * p_e)
 /**************************************************************************
  *       Stop (Public)
  **************************************************************************/
-void libvlc_media_list_player_stop(libvlc_media_list_player_t * p_mlp, 
-                                   libvlc_exception_t * p_e)
+void libvlc_media_list_player_stop(libvlc_media_list_player_t * p_mlp)
 {
     lock(p_mlp);
-    stop(p_mlp, p_e);
+    stop(p_mlp);
     unlock(p_mlp);
 }
 
 /**************************************************************************
  *       Set relative playlist position and play (Private)
  *
- * Sets the currently played item to the given relative play item position 
+ * Sets the currently played item to the given relative play item position
  * (based on the currently playing item) and then begins the new item playback.
- * Lock must be held.  
+ * Lock must be held.
  **************************************************************************/
 static void set_relative_playlist_position_and_play(
-                                      libvlc_media_list_player_t * p_mlp, 
-                                      int i_relative_position, 
+                                      libvlc_media_list_player_t * p_mlp,
+                                      int i_relative_position,
                                       libvlc_exception_t * p_e)
 {
     assert_locked(p_mlp);
 
     if (!p_mlp->p_mlist)
     {
-        libvlc_exception_raise(p_e, "No media list");
+        libvlc_exception_raise(p_e);
+        libvlc_printerr("No media list");
         return;
     }
 
@@ -733,7 +724,7 @@ static void set_relative_playlist_position_and_play(
     if(p_mlp->e_playback_mode != libvlc_playback_mode_repeat)
     {
         bool b_loop = (p_mlp->e_playback_mode == libvlc_playback_mode_loop);
-        
+
         if(i_relative_position > 0)
         {
             do
@@ -746,12 +737,12 @@ static void set_relative_playlist_position_and_play(
         }
         else if(i_relative_position < 0)
         {
-            do 
+            do
             {
                 path = get_previous_path(p_mlp, b_loop);
                 set_current_playing_item(p_mlp, path);
                 ++i_relative_position;
-            } 
+            }
             while (i_relative_position < 0);
         }
     }
@@ -768,11 +759,10 @@ static void set_relative_playlist_position_and_play(
     if (!path)
     {
         libvlc_media_list_unlock(p_mlp->p_mlist);
-        stop(p_mlp, p_e);
         return;
     }
 
-    libvlc_media_player_play(p_mlp->p_mi, p_e);
+    libvlc_media_player_play(p_mlp->p_mi);
 
     libvlc_media_list_unlock(p_mlp->p_mlist);
 
@@ -788,7 +778,7 @@ static void set_relative_playlist_position_and_play(
 /**************************************************************************
  *       Next (Public)
  **************************************************************************/
-void libvlc_media_list_player_next(libvlc_media_list_player_t * p_mlp, 
+void libvlc_media_list_player_next(libvlc_media_list_player_t * p_mlp,
                                    libvlc_exception_t * p_e)
 {
     lock(p_mlp);
@@ -799,7 +789,7 @@ void libvlc_media_list_player_next(libvlc_media_list_player_t * p_mlp,
 /**************************************************************************
  *       Previous (Public)
  **************************************************************************/
-void libvlc_media_list_player_previous(libvlc_media_list_player_t * p_mlp, 
+void libvlc_media_list_player_previous(libvlc_media_list_player_t * p_mlp,
                                        libvlc_exception_t * p_e)
 {
     lock(p_mlp);
@@ -810,13 +800,10 @@ void libvlc_media_list_player_previous(libvlc_media_list_player_t * p_mlp,
 /**************************************************************************
  *       Set Playback Mode (Public)
  **************************************************************************/
-void libvlc_media_list_player_set_playback_mode( 
+void libvlc_media_list_player_set_playback_mode(
                                             libvlc_media_list_player_t * p_mlp,
-                                            libvlc_playback_mode_t e_mode,
-                                            libvlc_exception_t * p_e )
+                                            libvlc_playback_mode_t e_mode )
 {
-    VLC_UNUSED(p_e);
-
     lock(p_mlp);
     p_mlp->e_playback_mode = e_mode;
     unlock(p_mlp);