annotate src/vamp-sdk/FFT.cpp @ 337:d5c5a52e6c9f

Make the simple base-fft implementation accessible for use by plugins as well. Bump version to 2.4

/* -*- 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 2006-2012 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
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    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
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    Except as contained in this notice, the names of the Centre for
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*/

#include <vamp-sdk/FFT.h>

#include <cmath>

#if ( VAMP_SDK_MAJOR_VERSION != 2 || VAMP_SDK_MINOR_VERSION != 4 )
#error Unexpected version of Vamp SDK header included
#endif

_VAMP_SDK_PLUGSPACE_BEGIN(FFT.cpp)

namespace Vamp {

#include "FFTimpl.cpp"

void
FFT::forward(unsigned int n,
	     const double *ri, const double *ii,
	     double *ro, double *io)
{
    fft(n, false, ri, ii, ro, io);
}

void
FFT::inverse(unsigned int n,
	     const double *ri, const double *ii,
	     double *ro, double *io)
{
    fft(n, true, ri, ii, ro, io);
}

}

_VAMP_SDK_PLUGSPACE_END(FFT.cpp)