53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/*
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* Chromaprint -- Audio fingerprinting toolkit
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* Copyright (C) 2011 Lukas Lalinsky <lalinsky@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef CHROMAPRINT_FFT_LIB_VDSP_H_
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#define CHROMAPRINT_FFT_LIB_VDSP_H_
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#include <math.h>
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#include <Accelerate/Accelerate.h>
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#include "combined_buffer.h"
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namespace Chromaprint
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{
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class FFTLib
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{
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public:
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FFTLib(int frame_size, double *window);
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~FFTLib();
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void ComputeFrame(CombinedBuffer<short>::Iterator input, double *output);
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private:
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CHROMAPRINT_DISABLE_COPY(FFTLib);
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double *m_window;
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float *m_input;
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int m_frame_size;
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int m_log2n;
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FFTSetup m_setup;
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DSPSplitComplex m_a;
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};
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};
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#endif
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