libvlc: Implement the _get_state function. Fix a leak. Fix a warning.

include/vlc/libvlc.h

@@ -388,7 +388,7 @@ VLC_PUBLIC_API void        libvlc_media_instance_set_position   ( libvlc_media_i
 VLC_PUBLIC_API vlc_bool_t  libvlc_media_instance_will_play      ( libvlc_media_instance_t *, libvlc_exception_t *);
 VLC_PUBLIC_API float       libvlc_media_instance_get_rate       ( libvlc_media_instance_t *, libvlc_exception_t *);
 VLC_PUBLIC_API void        libvlc_media_instance_set_rate       ( libvlc_media_instance_t *, float, libvlc_exception_t *);
-VLC_PUBLIC_API int         libvlc_media_instance_get_state      ( libvlc_media_instance_t *, libvlc_exception_t *);
+VLC_PUBLIC_API libvlc_state_t libvlc_media_instance_get_state      ( libvlc_media_instance_t *, libvlc_exception_t *);
 
 /**
  * Does this input have a video output ?
@@ -529,6 +529,11 @@ VLC_PUBLIC_API void
                                              int index,
                                              libvlc_exception_t * p_e );
 
+VLC_PUBLIC_API void
+    libvlc_media_list_view_remove_at_index(  libvlc_media_list_view_t * p_mlv,
+                                             int index,
+                                             libvlc_exception_t * p_e );
+
 VLC_PUBLIC_API void
     libvlc_media_list_view_add_item(  libvlc_media_list_view_t * p_mlv,
                                       libvlc_media_descriptor_t * p_md,
@@ -623,6 +628,18 @@ VLC_PUBLIC_API void
     libvlc_media_list_player_play( libvlc_media_list_player_t * p_mlp,
                                    libvlc_exception_t * p_e );
 
+VLC_PUBLIC_API void
+    libvlc_media_list_player_pause( libvlc_media_list_player_t * p_mlp,
+                                   libvlc_exception_t * p_e );
+
+VLC_PUBLIC_API int
+    libvlc_media_list_player_is_playing( libvlc_media_list_player_t * p_mlp,
+                                         libvlc_exception_t * p_e );
+
+VLC_PUBLIC_API libvlc_state_t
+    libvlc_media_list_player_get_state( libvlc_media_list_player_t * p_mlp,
+                                        libvlc_exception_t * p_e );
+
 VLC_PUBLIC_API void
     libvlc_media_list_player_play_item_at_index(
                                    libvlc_media_list_player_t * p_mlp,

include/vlc/libvlc_structures.h

@@ -120,6 +120,17 @@ typedef struct libvlc_media_descriptor_t libvlc_media_descriptor_t;
 
 typedef struct libvlc_media_instance_t libvlc_media_instance_t;
 
+typedef enum libvlc_state_t
+{
+    libvlc_Stopped,
+    libvlc_Opening,
+    libvlc_Buffering,
+    libvlc_Ended,
+    libvlc_Error,
+    libvlc_Playing,
+    libvlc_Paused
+} libvlc_state_t;
+
 /**@} */
 
 /*****************************************************************************

src/control/media_instance.c

@@ -676,7 +676,18 @@ float libvlc_media_instance_get_rate(
     return (float)1000.0f/val.i_int;
 }
 
-int libvlc_media_instance_get_state(
+static libvlc_state_t vlc_to_libvlc_state[] =
+{
+    [INIT_S]        = libvlc_Opening,
+    [OPENING_S]     = libvlc_Opening,
+    [BUFFERING_S]   = libvlc_Buffering,    
+    [PLAYING_S]     = libvlc_Playing,    
+    [PAUSE_S]       = libvlc_Paused,    
+    [END_S]         = libvlc_Ended,    
+    [ERROR_S]       = libvlc_Error,    
+};
+
+libvlc_state_t libvlc_media_instance_get_state(
                                  libvlc_media_instance_t *p_mi,
                                  libvlc_exception_t *p_e )
 {
@@ -685,10 +696,13 @@ int libvlc_media_instance_get_state(
 
     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
     if ( !p_input_thread )
-        return 0;
+        return libvlc_Stopped;
 
     var_Get( p_input_thread, "state", &val );
     vlc_object_release( p_input_thread );
 
-    return val.i_int;
+    if( val.i_int < 0 || val.i_int > 6 )
+        return libvlc_Stopped;
+
+    return vlc_to_libvlc_state[val.i_int];
 }

src/control/media_list_player.c

@@ -175,17 +175,6 @@ uninstall_media_instance_observer( libvlc_media_list_player_t * p_mlp )
                          media_instance_reached_end, p_mlp, NULL );
 }
 
-/**************************************************************************
- *       Stop (Public)
- **************************************************************************/
-static vlc_bool_t
-libvlc_media_list_player_is_playing( libvlc_media_list_player_t * p_mlp,
-                                    libvlc_exception_t * p_e )
-{
-    //libvlc_exception_raise( p_e, "Unimplemented" );
-    return 1;
-}
-
 /**************************************************************************
  *       set_current_playing_item (private)
  *
@@ -199,18 +188,17 @@ set_current_playing_item( libvlc_media_list_player_t * p_mlp,
     libvlc_media_descriptor_t * p_md;
     
     p_md = libvlc_media_list_item_at_path( p_mlp->p_mlist, path ); 
-    if( !p_md )
-    {
-        if( !libvlc_exception_raised( p_e ) )
-            libvlc_exception_raise( p_e, "Can't obtain a media" );
-        return;
-    }
- 
     vlc_mutex_lock( &p_mlp->object_lock );
     
     free( p_mlp->current_playing_item_path );
     p_mlp->current_playing_item_path = path;
 
+    if( !p_md )
+    {
+        vlc_mutex_unlock( &p_mlp->object_lock );
+        return;
+    }
+
     /* We are not interested in getting media_descriptor stop event now */
     uninstall_media_instance_observer( p_mlp );
     if( p_md->p_subitems && libvlc_media_list_count( p_md->p_subitems, NULL ) > 0 )
@@ -337,6 +325,41 @@ void libvlc_media_list_player_play( libvlc_media_list_player_t * p_mlp,
     libvlc_media_instance_play( p_mlp->p_mi, p_e );
 }
 
+
+/**************************************************************************
+ *        Pause (Public)
+ **************************************************************************/
+void libvlc_media_list_player_pause( libvlc_media_list_player_t * p_mlp,
+                                     libvlc_exception_t * p_e )
+{
+    if( !p_mlp->p_mi )
+        return;
+    libvlc_media_instance_pause( p_mlp->p_mi, p_e );
+}
+
+/**************************************************************************
+ *        is_playing (Public)
+ **************************************************************************/
+int libvlc_media_list_player_is_playing( libvlc_media_list_player_t * p_mlp,
+                                         libvlc_exception_t * p_e )
+{
+    libvlc_state_t state = libvlc_media_instance_get_state( p_mlp->p_mi, p_e );
+    return (state == libvlc_Opening) || (state == libvlc_Buffering) ||
+           (state == libvlc_Playing);
+}
+
+/**************************************************************************
+ *        State (Public)
+ **************************************************************************/
+libvlc_state_t
+libvlc_media_list_player_get_state( libvlc_media_list_player_t * p_mlp,
+                                    libvlc_exception_t * p_e )
+{
+    if( !p_mlp->p_mi )
+        return libvlc_Stopped;
+    return libvlc_media_instance_get_state( p_mlp->p_mi, p_e );
+}
+
 /**************************************************************************
  *        Play item at index (Public)
  **************************************************************************/
@@ -389,6 +412,7 @@ void libvlc_media_list_player_stop( libvlc_media_list_player_t * p_mlp,
     libvlc_media_instance_stop( p_mlp->p_mi, p_e );
 
     vlc_mutex_lock( &p_mlp->object_lock );
+    free( p_mlp->current_playing_item_path );
     p_mlp->current_playing_item_path = NULL;
     vlc_mutex_unlock( &p_mlp->object_lock );
 }