major fixes to automation editing

[ardour.git] / libs / ardour / source.cc

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index 7ade8a8573fdd7db1187520cd62cd6b3c0057dfc..74ca0afcd4bb932fe36605762cd43a7d7fe85f43 100644 (file)
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.cc
@@ -34,6 +34,7 @@
 #include <pbd/pthread_utils.h>
 
 #include <ardour/source.h>
+#include <ardour/playlist.h>
 
 #include "i18n.h"
 
@@ -47,12 +48,14 @@ Source::Source (Session& s, string name)
 {
        _name = name;
        _timestamp = 0;
+       _in_use = 0;
 }
 
 Source::Source (Session& s, const XMLNode& node) 
        : _session (s)
 {
        _timestamp = 0;
+       _in_use = 0;
 
        if (set_state (node)) {
                throw failed_constructor();
@@ -106,3 +109,24 @@ Source::set_state (const XMLNode& node)
        return 0;
 }
 
+void
+Source::add_playlist (Playlist* pl)
+{
+       _playlists.insert (pl);
+}
+
+void
+Source::remove_playlist (Playlist* pl)
+{
+       std::set<Playlist*>::iterator x;
+
+       if ((x = _playlists.find (pl)) != _playlists.end()) {
+               _playlists.erase (x);
+       }
+}
+
+uint32_t
+Source::used () const
+{
+       return _playlists.size();
+}