Mercurial > hg > vamp-plugin-sdk
view examples/ZeroCrossing.h @ 280:9b831bd58aa7
* tidiness (pkg-config change thanks to Sampo Savolainen)
author | cannam |
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date | Tue, 17 Mar 2009 19:56:12 +0000 |
parents | 9d3272c7db60 |
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/* -*- 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 Chris Cannam. 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 _ZERO_CROSSING_PLUGIN_H_ #define _ZERO_CROSSING_PLUGIN_H_ #include "vamp-sdk/Plugin.h" /** * Example plugin that calculates the positions and density of * zero-crossing points in an audio waveform. */ class ZeroCrossing : public Vamp::Plugin { public: ZeroCrossing(float inputSampleRate); virtual ~ZeroCrossing(); bool initialise(size_t channels, size_t stepSize, size_t blockSize); void reset(); InputDomain getInputDomain() const { return TimeDomain; } std::string getIdentifier() const; std::string getName() const; std::string getDescription() const; std::string getMaker() const; int getPluginVersion() const; std::string getCopyright() const; OutputList getOutputDescriptors() const; FeatureSet process(const float *const *inputBuffers, Vamp::RealTime timestamp); FeatureSet getRemainingFeatures(); protected: size_t m_stepSize; float m_previousSample; }; #endif