2 Copyright (C) 2008 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_audioanalyser_h__
21 #define __ardour_audioanalyser_h__
27 #include "vamp-sdk/Plugin.h"
28 #include <boost/utility.hpp>
29 #include "ardour/audioregion.h"
36 class AudioAnalyser : public boost::noncopyable {
39 typedef Vamp::Plugin AnalysisPlugin;
40 typedef std::string AnalysisPluginKey;
42 AudioAnalyser (float sample_rate, AnalysisPluginKey key);
43 virtual ~AudioAnalyser();
45 /* analysis object should provide a run method
46 that accepts a path to write the results to (optionally empty)
47 a Readable* to read data from
48 and a reference to a type-specific container to return the
56 AnalysisPlugin* plugin;
57 AnalysisPluginKey plugin_key;
62 int initialize_plugin (AnalysisPluginKey name, float sample_rate);
63 int analyse (const std::string& path, Readable*, uint32_t channel);
65 /* instances of an analysis object will have this method called
66 whenever there are results to process. if out is non-null,
67 the data should be written to the stream it points to.
70 virtual int use_features (Vamp::Plugin::FeatureSet&, std::ostream*) = 0;
75 #endif /* __ardour_audioanalyser_h__ */