f0d64a5f9b
This is a reland of 09b439c6f7fa15d7cedbfb74cc22e9512ce3df47 Original change's description: > Unify OOURA implementations in one directory. > > This CL moves the two OOURA implementations present in the WebRTC tree > in one place. > > No functional change is expected. > > TBR=kwiberg@webrtc.org > > No-Try: True > Bug: webrtc:11509 > Change-Id: I330a9ec57e3dc65c9c8b43edd4bb295c55920efa > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173682 > Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> > Reviewed-by: Per Åhgren <peah@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#31106} TBR=kwiberg@webrtc.org, peah@webrtc.org No-Tree-Checks: True No-Try: True Bug: webrtc:11509 Change-Id: Ifc28b0380062ab5aad5c498700aa3cc7f9c7802c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173720 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31111}
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef COMMON_AUDIO_REAL_FOURIER_OOURA_H_
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#define COMMON_AUDIO_REAL_FOURIER_OOURA_H_
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#include <stddef.h>
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#include <complex>
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#include <memory>
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#include "common_audio/real_fourier.h"
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namespace webrtc {
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class RealFourierOoura : public RealFourier {
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public:
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explicit RealFourierOoura(int fft_order);
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~RealFourierOoura() override;
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void Forward(const float* src, std::complex<float>* dest) const override;
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void Inverse(const std::complex<float>* src, float* dest) const override;
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int order() const override;
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private:
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const int order_;
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const size_t length_;
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const size_t complex_length_;
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// These are work arrays for Ooura. The names are based on the comments in
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// common_audio/third_party/ooura/fft_size_256/fft4g.cc.
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const std::unique_ptr<size_t[]> work_ip_;
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const std::unique_ptr<float[]> work_w_;
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};
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} // namespace webrtc
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#endif // COMMON_AUDIO_REAL_FOURIER_OOURA_H_
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