00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ cannam@0: 00002 cannam@0: 00003 /* cannam@0: 00004 Vamp cannam@0: 00005 cannam@0: 00006 An API for audio analysis and feature extraction plugins. cannam@0: 00007 cannam@0: 00008 Centre for Digital Music, Queen Mary, University of London. cannam@0: 00009 Copyright 2006 Chris Cannam. cannam@0: 00010 cannam@0: 00011 Permission is hereby granted, free of charge, to any person cannam@0: 00012 obtaining a copy of this software and associated documentation cannam@0: 00013 files (the "Software"), to deal in the Software without cannam@0: 00014 restriction, including without limitation the rights to use, copy, cannam@0: 00015 modify, merge, publish, distribute, sublicense, and/or sell copies cannam@0: 00016 of the Software, and to permit persons to whom the Software is cannam@0: 00017 furnished to do so, subject to the following conditions: cannam@0: 00018 cannam@0: 00019 The above copyright notice and this permission notice shall be cannam@0: 00020 included in all copies or substantial portions of the Software. cannam@0: 00021 cannam@0: 00022 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, cannam@0: 00023 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF cannam@0: 00024 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND cannam@0: 00025 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR cannam@0: 00026 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF cannam@0: 00027 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION cannam@0: 00028 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. cannam@0: 00029 cannam@0: 00030 Except as contained in this notice, the names of the Centre for cannam@0: 00031 Digital Music; Queen Mary, University of London; and Chris Cannam cannam@0: 00032 shall not be used in advertising or otherwise to promote the sale, cannam@0: 00033 use or other dealings in this Software without prior written cannam@0: 00034 authorization. cannam@0: 00035 */ cannam@0: 00036 cannam@0: 00037 #ifndef _PERCUSSION_ONSET_DETECTOR_PLUGIN_H_ cannam@0: 00038 #define _PERCUSSION_ONSET_DETECTOR_PLUGIN_H_ cannam@0: 00039 cannam@21: 00040 #include "vamp-sdk/Plugin.h" cannam@0: 00041 cannam@0: 00046 class PercussionOnsetDetector : public Vamp::Plugin cannam@0: 00047 { cannam@0: 00048 public: cannam@0: 00049 PercussionOnsetDetector(float inputSampleRate); cannam@0: 00050 virtual ~PercussionOnsetDetector(); cannam@0: 00051 cannam@0: 00052 bool initialise(size_t channels, size_t stepSize, size_t blockSize); cannam@0: 00053 void reset(); cannam@0: 00054 cannam@0: 00055 InputDomain getInputDomain() const { return FrequencyDomain; } cannam@0: 00056 cannam@0: 00057 std::string getIdentifier() const; cannam@0: 00058 std::string getName() const; cannam@0: 00059 std::string getDescription() const; cannam@0: 00060 std::string getMaker() const; cannam@0: 00061 int getPluginVersion() const; cannam@0: 00062 std::string getCopyright() const; cannam@0: 00063 cannam@0: 00064 size_t getPreferredStepSize() const; cannam@0: 00065 size_t getPreferredBlockSize() const; cannam@0: 00066 cannam@0: 00067 ParameterList getParameterDescriptors() const; cannam@0: 00068 float getParameter(std::string id) const; cannam@0: 00069 void setParameter(std::string id, float value); cannam@0: 00070 cannam@0: 00071 OutputList getOutputDescriptors() const; cannam@0: 00072 cannam@0: 00073 FeatureSet process(const float *const *inputBuffers, cannam@0: 00074 Vamp::RealTime timestamp); cannam@0: 00075 cannam@0: 00076 FeatureSet getRemainingFeatures(); cannam@0: 00077 cannam@0: 00078 protected: cannam@0: 00079 size_t m_stepSize; cannam@0: 00080 size_t m_blockSize; cannam@0: 00081 cannam@0: 00082 float m_threshold; cannam@0: 00083 float m_sensitivity; cannam@0: 00084 float *m_priorMagnitudes; cannam@0: 00085 float m_dfMinus1; cannam@0: 00086 float m_dfMinus2; cannam@0: 00087 }; cannam@0: 00088 cannam@0: 00089 cannam@0: 00090 #endif cannam@0:
1.5.8
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