| /* |
| * Copyright (c) 2017 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 MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_ |
| #define MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_ |
| |
| #include <array> |
| |
| #include "api/array_view.h" |
| #include "modules/audio_processing/aec3/aec3_common.h" |
| #include "modules/audio_processing/aec3/fft_data.h" |
| |
| namespace webrtc { |
| |
| // Stores the values being returned from the echo subtractor. |
| struct SubtractorOutput { |
| SubtractorOutput(); |
| ~SubtractorOutput(); |
| |
| std::array<float, kBlockSize> s_main; |
| std::array<float, kBlockSize> s_shadow; |
| std::array<float, kBlockSize> e_main; |
| std::array<float, kBlockSize> e_shadow; |
| FftData E_main; |
| std::array<float, kFftLengthBy2Plus1> E2_main; |
| std::array<float, kFftLengthBy2Plus1> E2_shadow; |
| float s2_main = 0.f; |
| float s2_shadow = 0.f; |
| float e2_main = 0.f; |
| float e2_shadow = 0.f; |
| float y2 = 0.f; |
| float s_main_max_abs = 0.f; |
| float s_shadow_max_abs = 0.f; |
| |
| // Reset the struct content. |
| void Reset(); |
| |
| // Updates the powers of the signals. |
| void ComputeMetrics(rtc::ArrayView<const float> y); |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_ |