PluginBufferingAdapter.h

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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 2006-2009 Chris Cannam and QMUL.
    This file by Mark Levy and Chris Cannam, Copyright 2007-2008 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,
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    Except as contained in this notice, the names of the Centre for
    Digital Music; Queen Mary, University of London; and Chris Cannam
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*/
 
#ifndef _VAMP_PLUGIN_BUFFERING_ADAPTER_H_
#define _VAMP_PLUGIN_BUFFERING_ADAPTER_H_
 
#include "hostguard.h"
#include "PluginWrapper.h"
 
_VAMP_SDK_HOSTSPACE_BEGIN(PluginBufferingAdapter.h)
 
namespace Vamp {
        
namespace HostExt {
                
class PluginBufferingAdapter : public PluginWrapper
{
public:
    PluginBufferingAdapter(Plugin *plugin);
    virtual ~PluginBufferingAdapter();
 
    size_t getPreferredStepSize() const;
 
    size_t getPreferredBlockSize() const;
 
    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
 
    size_t getPluginPreferredStepSize() const;
 
    size_t getPluginPreferredBlockSize() const;
 
    void setPluginStepSize(size_t stepSize);
 
    void setPluginBlockSize(size_t blockSize);
 
    void getActualStepAndBlockSizes(size_t &stepSize, size_t &blockSize);
 
    void setParameter(std::string, float);
    void selectProgram(std::string);
 
    OutputList getOutputDescriptors() const;
 
    void reset();
 
    FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
    
    FeatureSet getRemainingFeatures();
    
protected:
    class Impl;
    Impl *m_impl;
};
    
}
 
}
 
_VAMP_SDK_HOSTSPACE_END(PluginBufferingAdapter.h)
 
#endif