1 files changed, 121 insertions, 0 deletions
diff --git a/libs/ardour/ardour/audioplaylist.h b/libs/ardour/ardour/audioplaylist.h
new file mode 100644
index 0000000000..26cce91b12
--- /dev/null
+++ b/libs/ardour/ardour/audioplaylist.h
@@ -0,0 +1,121 @@
+/*
+    Copyright (C) 2003 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __ardour_audio_playlist_h__
+#define __ardour_audio_playlist_h__
+
+#include <vector>
+#include <list>
+
+#include <ardour/ardour.h>
+#include <ardour/playlist.h>
+
+namespace ARDOUR  {
+
+class Session;
+class Region;
+class AudioRegion;
+class Source;
+
+class AudioPlaylist : public ARDOUR::Playlist
+{
+  public:
+	typedef std::list<Crossfade*> Crossfades;
+
+  private:
+	
+	struct State : public ARDOUR::StateManager::State {
+	    RegionList regions;
+	    std::list<UndoAction> region_states;
+	    
+	    Crossfades crossfades;
+	    std::list<UndoAction> crossfade_states;
+	    
+	    State (std::string why) : ARDOUR::StateManager::State (why) {}
+	    ~State ();
+	};
+	
+   public:
+	AudioPlaylist (Session&, const XMLNode&, bool hidden = false);
+	AudioPlaylist (Session&, string name, bool hidden = false);
+	AudioPlaylist (const AudioPlaylist&, string name, bool hidden = false);
+	AudioPlaylist (const AudioPlaylist&, jack_nframes_t start, jack_nframes_t cnt, string name, bool hidden = false);
+
+	void clear (bool with_delete = false, bool with_save = true);
+
+        jack_nframes_t read (Sample *dst, Sample *mixdown, float *gain_buffer, jack_nframes_t start, jack_nframes_t cnt, uint32_t chan_n=0);
+
+	int set_state (const XMLNode&);
+	UndoAction get_memento() const;
+
+	sigc::signal<void,Crossfade *> NewCrossfade; 
+
+	template<class T> void foreach_crossfade (T *t, void (T::*func)(Crossfade *));
+	void crossfades_at (jack_nframes_t frame, Crossfades&);
+
+	template<class T> void apply_to_history (T& obj, void (T::*method)(const ARDOUR::StateManager::StateMap&, state_id_t)) {
+		RegionLock rlock (this);
+		(obj.*method) (states, _current_state_id);
+	}
+
+	bool destroy_region (Region*);
+
+	void get_equivalent_regions (const AudioRegion&, std::vector<AudioRegion*>&);
+	void get_region_list_equivalent_regions (const AudioRegion&, std::vector<AudioRegion*>&);
+
+	void drop_all_states ();
+
+    protected:
+
+	/* state management */
+
+	StateManager::State* state_factory (std::string) const;
+	Change restore_state (StateManager::State&);
+	void send_state_change (Change);
+
+	/* playlist "callbacks" */
+	void notify_crossfade_added (Crossfade *);
+	void flush_notifications ();
+	
+        void refresh_dependents (Region& region);
+        void check_dependents (Region& region, bool norefresh);
+        void remove_dependents (Region& region);
+
+    protected:
+       ~AudioPlaylist (); /* public should use unref() */
+
+    private:
+       Crossfades      _crossfades;
+       Crossfades      _pending_xfade_adds;
+
+       void crossfade_invalidated (Crossfade*);
+       XMLNode& state (bool full_state);
+       void dump () const;
+
+       bool region_changed (Change, Region*);
+       void crossfade_changed (Change);
+       void add_crossfade (Crossfade&);
+};
+
+} /* namespace ARDOUR */
+
+#endif	/* __ardour_audio_playlist_h__ */
+
+