[vlc-commits] Core playlist: provide playlist_GetNodeDuration

[Olafs Vandāns]

vlc | branch: master | Olafs Vandāns <lunaroverlord at gmail.com> | Thu Dec 20 17:19:30 2012 +0100| [8df7ff8204ba931d7c212c65a54d20f9934bfde3] | committer: Jean-Baptiste Kempf

Core playlist: provide playlist_GetNodeDuration

Signed-off-by: Jean-Baptiste Kempf <jb at videolan.org>

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=8df7ff8204ba931d7c212c65a54d20f9934bfde3
---

 include/vlc_playlist.h |    4 ++++
 src/libvlccore.sym     |    1 +
 src/playlist/item.c    |   18 ++++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/include/vlc_playlist.h b/include/vlc_playlist.h
index 89b2edf..10108cb 100644
--- a/include/vlc_playlist.h
+++ b/include/vlc_playlist.h
@@ -283,6 +283,10 @@ VLC_API int playlist_Control( playlist_t *p_playlist, int i_query, bool b_locked
  */
 VLC_API input_thread_t * playlist_CurrentInput( playlist_t *p_playlist ) VLC_USED;
 
+/** Get the duration of all items in a node.
+ */
+VLC_API mtime_t playlist_GetNodeDuration( playlist_item_t * );
+
 /** Clear the playlist
  * \param b_locked TRUE if playlist is locked when entering this function
  */
diff --git a/src/libvlccore.sym b/src/libvlccore.sym
index 8c5be17..85cc03c 100644
--- a/src/libvlccore.sym
+++ b/src/libvlccore.sym
@@ -331,6 +331,7 @@ playlist_DeleteFromInput
 playlist_Export
 playlist_GetNextLeaf
 playlist_GetPrevLeaf
+playlist_GetNodeDuration
 playlist_Import
 playlist_IsServicesDiscoveryLoaded
 playlist_ItemGetById
diff --git a/src/playlist/item.c b/src/playlist/item.c
index f5fde96..205cb16 100644
--- a/src/playlist/item.c
+++ b/src/playlist/item.c
@@ -719,6 +719,24 @@ void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
     var_SetAddress( p_playlist, "playlist-item-append", &add );
 }
 
+/**
+ * Get the duration of all items in a node.
+ */
+mtime_t playlist_GetNodeDuration( playlist_item_t* node )
+{
+    /* For the assert */
+    playlist_t *p_playlist = node->p_playlist;
+    PL_ASSERT_LOCKED;
+
+    mtime_t mt_duration = 0;
+
+    if( node->i_children != -1 )
+        for( int i = 0; i < node->i_children; i++ )
+            mt_duration += input_item_GetDuration( node->pp_children[i]->p_input );
+
+    return mt_duration;
+}
+
 /***************************************************************************
  * The following functions are local
  ***************************************************************************/