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Diffstat (limited to 'libs/vamp-plugins/AmplitudeFollower.h')
-rw-r--r-- | libs/vamp-plugins/AmplitudeFollower.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/libs/vamp-plugins/AmplitudeFollower.h b/libs/vamp-plugins/AmplitudeFollower.h new file mode 100644 index 0000000000..6c3426e324 --- /dev/null +++ b/libs/vamp-plugins/AmplitudeFollower.h @@ -0,0 +1,84 @@ +/* -*- 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. + This file copyright 2006 Dan Stowell. + + 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 _AMPLITUDE_FOLLOWER_PLUGIN_H_ +#define _AMPLITUDE_FOLLOWER_PLUGIN_H_ + +#include "vamp-sdk/Plugin.h" + +/** + * Example plugin implementing the SuperCollider amplitude follower + * function. + */ + +class AmplitudeFollower : public Vamp::Plugin +{ +public: + AmplitudeFollower(float inputSampleRate); + virtual ~AmplitudeFollower(); + + 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; + + ParameterList getParameterDescriptors() const; + float getParameter(std::string paramid) const; + void setParameter(std::string paramid, float newval); + + FeatureSet process(const float *const *inputBuffers, + Vamp::RealTime timestamp); + + FeatureSet getRemainingFeatures(); + +protected: + size_t m_stepSize; + float m_previn; + float m_clampcoef; + float m_relaxcoef; +}; + + +#endif |