chromium/third_party/webrtc/modules/audio_processing/aec3/adaptive_fir_filter_avx2.cc

/*
 *  Copyright (c) 2020 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.
 */

#include <immintrin.h>

#include "modules/audio_processing/aec3/adaptive_fir_filter.h"
#include "rtc_base/checks.h"

namespace webrtc {

namespace aec3 {

// Computes and stores the frequency response of the filter.
void ComputeFrequencyResponse_Avx2(
    size_t num_partitions,
    const std::vector<std::vector<FftData>>& H,
    std::vector<std::array<float, kFftLengthBy2Plus1>>* H2) { … }

// Adapts the filter partitions.
void AdaptPartitions_Avx2(const RenderBuffer& render_buffer,
                          const FftData& G,
                          size_t num_partitions,
                          std::vector<std::vector<FftData>>* H) { … }

// Produces the filter output (AVX2 variant).
void ApplyFilter_Avx2(const RenderBuffer& render_buffer,
                      size_t num_partitions,
                      const std::vector<std::vector<FftData>>& H,
                      FftData* S) { … }

}  // namespace aec3
}  // namespace webrtc