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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/common_audio/real_fourier_ooura.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/common_audio/real_fourier_ooura.h')
-rw-r--r-- | third_party/libwebrtc/common_audio/real_fourier_ooura.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_audio/real_fourier_ooura.h b/third_party/libwebrtc/common_audio/real_fourier_ooura.h new file mode 100644 index 0000000000..ae85dfd0dd --- /dev/null +++ b/third_party/libwebrtc/common_audio/real_fourier_ooura.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef COMMON_AUDIO_REAL_FOURIER_OOURA_H_ +#define COMMON_AUDIO_REAL_FOURIER_OOURA_H_ + +#include <stddef.h> + +#include <complex> +#include <memory> + +#include "common_audio/real_fourier.h" + +namespace webrtc { + +class RealFourierOoura : public RealFourier { + public: + explicit RealFourierOoura(int fft_order); + ~RealFourierOoura() override; + + void Forward(const float* src, std::complex<float>* dest) const override; + void Inverse(const std::complex<float>* src, float* dest) const override; + + int order() const override; + + private: + const int order_; + const size_t length_; + const size_t complex_length_; + // These are work arrays for Ooura. The names are based on the comments in + // common_audio/third_party/ooura/fft_size_256/fft4g.cc. + const std::unique_ptr<size_t[]> work_ip_; + const std::unique_ptr<float[]> work_w_; +}; + +} // namespace webrtc + +#endif // COMMON_AUDIO_REAL_FOURIER_OOURA_H_ |