comparison vamp-sdk/hostext/PluginSummarisingAdapter.h @ 173:a6981e5dafe5

* make a start on the summarising adapter

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Vamp
+
+    An API for audio analysis and feature extraction plugins.
+
+    Centre for Digital Music, Queen Mary, University of London.
+    Copyright 2006-2008 Chris Cannam and QMUL.
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    Except as contained in this notice, the names of the Centre for
+    Digital Music; Queen Mary, University of London; and Chris Cannam
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in this Software without prior written
+    authorization.
+*/
+
+#ifndef _VAMP_PLUGIN_SUMMARISING_ADAPTER_H_
+#define _VAMP_PLUGIN_SUMMARISING_ADAPTER_H_
+
+#include "PluginWrapper.h"
+
+namespace Vamp {
+
+namespace HostExt {
+
+class PluginSummarisingAdapter : public PluginWrapper
+{
+public:
+    PluginSummarisingAdapter(Plugin *plugin); // I take ownership of plugin
+    virtual ~PluginSummarisingAdapter();
+
+    FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
+    FeatureSet getRemainingFeatures();
+
+    typedef std::set<RealTime> SegmentBoundaries;
+    void setSummarySegmentBoundaries(const SegmentBoundaries &);
+
+    enum SummaryType {
+        Minimum,
+        Maximum,
+        Mean,
+        Median,
+        Mode,
+        Sum,
+        Variance,
+        StandardDeviation,
+        Count
+    };
+
+    //!!! return summaries for all outputs, or specify somewhere which
+    //!!! outputs are of interest?
+
+    FeatureSet getSummary(SummaryType type);
+
+protected:
+    class Impl;
+    Impl *m_impl;
+};
+
+}
+
+}
+
+#endif