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 <ardour/audioregion.h>
38 typedef Vamp::Plugin AnalysisPlugin;
39 typedef std::string AnalysisPluginKey;
41 AudioAnalyser (float sample_rate, AnalysisPluginKey key);
42 virtual ~AudioAnalyser();
44 /* analysis object should provide a run method
45 that accepts a path to write the results to (optionally empty)
46 a Readable* to read data from
47 and a reference to a type-specific container to return the
55 AnalysisPlugin* plugin;
56 AnalysisPluginKey plugin_key;
61 int initialize_plugin (AnalysisPluginKey name, float sample_rate);
62 int analyse (const std::string& path, Readable*, uint32_t channel);
64 /* instances of an analysis object will have this method called
65 whenever there are results to process. if out is non-null,
66 the data should be written to the stream it points to.
69 virtual int use_features (Vamp::Plugin::FeatureSet&, std::ostream*) = 0;
74 #endif /* __ardour_audioanalyser_h__ */