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+/*
+ Copyright (C) 2004 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_audiofilter_h__
+#define __ardour_audiofilter_h__
+
+#include <vector>
+#include <ardour/audioregion.h>
+
+namespace ARDOUR {
+
+class AudioRegion;
+class Session;
+class FileSource;
+
+class AudioFilter {
+
+ public:
+ AudioFilter (ARDOUR::Session& s)
+ : session (s){}
+ virtual ~AudioFilter() {}
+
+
+ virtual int run (ARDOUR::AudioRegion&) = 0;
+ std::vector<ARDOUR::AudioRegion*> results;
+
+ protected:
+ ARDOUR::Session& session;
+
+ int make_new_sources (ARDOUR::AudioRegion&, ARDOUR::AudioRegion::SourceList&);
+ int finish (ARDOUR::AudioRegion&, ARDOUR::AudioRegion::SourceList&);
+};
+
+} /* namespace */
+
+#endif /* __ardour_audiofilter_h__ */