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45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* spek-fft.h
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*
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* Copyright (C) 2010-2012 Alexander Kojevnikov <alexander@kojevnikov.com>
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*
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* Spek is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Spek 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Spek. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SPEK_FFT_H_
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#define SPEK_FFT_H_
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struct RDFTContext;
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struct spek_fft_plan
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{
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// Internal data.
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struct RDFTContext *cx;
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int n;
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// Exposed properties.
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float *input;
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float *output;
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};
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// Allocate buffers and create a new FFT plan.
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struct spek_fft_plan * spek_fft_plan_new(int n);
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// Execute the FFT on plan->input.
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void spek_fft_execute(struct spek_fft_plan *p);
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// Destroy the plan and de-allocate buffers.
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void spek_fft_delete(struct spek_fft_plan *p);
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#endif
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