[vlc-devel] [PATCH 3/9] medialib: add function to get history count

[Pierre Lamot]

---
 include/vlc_media_library.h            | 11 +++++++++++
 modules/misc/medialibrary/medialib.cpp | 19 +++++++++++++++----
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/include/vlc_media_library.h b/include/vlc_media_library.h
index 39d41efac1..fbc8ff8676 100644
--- a/include/vlc_media_library.h
+++ b/include/vlc_media_library.h
@@ -399,6 +399,7 @@ enum vlc_ml_list_queries
     VLC_ML_LIST_PLAYLISTS,        /**< arg1 (out): vlc_ml_playlist_list_t**                         */
     VLC_ML_COUNT_PLAYLISTS,       /**< arg1 (out): size_t*                                          */
     VLC_ML_LIST_HISTORY,          /**< arg1 (out): vlc_ml_media_list_t**                            */
+    VLC_ML_COUNT_HISTORY,         /**< arg1 (out): size_t*                                          */
     VLC_ML_LIST_STREAM_HISTORY,   /**< arg1 (out): vlc_ml_media_list_t**                            */
     VLC_ML_COUNT_STREAM_HISTORY,  /**< arg1 (out): size_t*                                          */
 
@@ -1428,6 +1429,16 @@ static inline vlc_ml_media_list_t* vlc_ml_list_history( vlc_medialibrary_t* p_ml
     return res;
 }
 
+static inline size_t vlc_ml_count_history( vlc_medialibrary_t* p_ml, const vlc_ml_query_params_t* params )
+{
+    vlc_assert( p_ml != NULL );
+    size_t count;
+    if ( vlc_ml_list( p_ml, VLC_ML_COUNT_HISTORY, params, &count ) != VLC_SUCCESS )
+        return 0;
+    return count;
+}
+
+
 static inline vlc_ml_media_list_t* vlc_ml_list_stream_history( vlc_medialibrary_t* p_ml, const vlc_ml_query_params_t* params )
 {
     vlc_assert( p_ml != NULL );
diff --git a/modules/misc/medialibrary/medialib.cpp b/modules/misc/medialibrary/medialib.cpp
index 056f6be4a0..5f3c2fc493 100644
--- a/modules/misc/medialibrary/medialib.cpp
+++ b/modules/misc/medialibrary/medialib.cpp
@@ -862,14 +862,25 @@ int MediaLibrary::List( int listQuery, const vlc_ml_query_params_t* params, va_l
         case VLC_ML_COUNT_PLAYLISTS:
             return listPlaylist( listQuery, paramsPtr, psz_pattern, nbItems, offset, args );
         case VLC_ML_LIST_HISTORY:
+        case VLC_ML_COUNT_HISTORY:
         {
             auto query = m_ml->history();
             if ( query == nullptr )
                 return VLC_EGENERIC;
-            *va_arg( args, vlc_ml_media_list_t**) =
-                    ml_convert_list<vlc_ml_media_list_t, vlc_ml_media_t>(
-                        query->items( nbItems, offset ) );
-            return VLC_SUCCESS;
+
+            switch ( listQuery )
+            {
+            case VLC_ML_LIST_HISTORY:
+                *va_arg( args, vlc_ml_media_list_t**) =
+                        ml_convert_list<vlc_ml_media_list_t, vlc_ml_media_t>(
+                            query->items( nbItems, offset ) );
+                return VLC_SUCCESS;
+            case VLC_ML_COUNT_HISTORY:
+                *va_arg( args, size_t* ) = query->count();
+                return VLC_SUCCESS;
+            default:
+                vlc_assert_unreachable();
+            }
         }
         case VLC_ML_LIST_STREAM_HISTORY:
         case VLC_ML_COUNT_STREAM_HISTORY:
-- 
2.25.1