libardour added.

git-svn-id: svn://localhost/trunk/ardour2@17 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 73 insertions, 0 deletions

diff --git a/libs/ardour/ardour/auditioner.h b/libs/ardour/ardour/auditioner.h
new file mode 100644
index 0000000000..b79620eaa2
--- /dev/null
+++ b/libs/ardour/ardour/auditioner.h
@@ -0,0 +1,73 @@
+/*
+    Copyright (C) 2001 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_auditioner_h__
+#define __ardour_auditioner_h__
+
+#include <string>
+#include <pthread.h>
+
+#include <pbd/lockmonitor.h>
+#include <pbd/atomic.h>
+
+#include <ardour/ardour.h>
+#include <ardour/audio_track.h>
+
+namespace ARDOUR {
+
+class Session;
+class AudioRegion;
+class AudioPlaylist;
+
+class Auditioner : public AudioTrack
+{
+  public:
+	Auditioner (Session&);
+	~Auditioner ();
+
+	void audition_region (AudioRegion&);
+
+	ARDOUR::AudioPlaylist& prepare_playlist ();
+	void audition_current_playlist ();
+
+	int  play_audition (jack_nframes_t nframes);
+
+	void cancel_audition () { 
+		atomic_set (&_active, 0);
+	}
+
+	bool active() const { return atomic_read (&_active); }
+
+  private:
+	AudioRegion *the_region;
+	jack_nframes_t current_frame;
+	atomic_t _active;
+	PBD::Lock lock;
+	jack_nframes_t length;
+
+	void drop_ports ();
+	static void *_drop_ports (void *);
+	void actually_drop_ports ();
+	void output_changed (IOChange, void*);
+};	
+
+}; /* namespace ARDOUR */
+
+#endif /* __ardour_auditioner_h__ */