1 /*
2  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
12 #define MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
13 
14 #include <array>
15 
16 #include "modules/audio_processing/aec3/aec3_common.h"
17 #include "modules/audio_processing/aec3/fft_data.h"
18 
19 namespace webrtc {
20 
21 // Stores the values being returned from the echo subtractor.
22 struct SubtractorOutput {
23   std::array<float, kBlockSize> s_main;
24   std::array<float, kBlockSize> e_main;
25   std::array<float, kBlockSize> e_shadow;
26   FftData E_main;
27   std::array<float, kFftLengthBy2Plus1> E2_main;
28   std::array<float, kFftLengthBy2Plus1> E2_shadow;
29 
ResetSubtractorOutput30   void Reset() {
31     s_main.fill(0.f);
32     e_main.fill(0.f);
33     e_shadow.fill(0.f);
34     E_main.re.fill(0.f);
35     E_main.im.fill(0.f);
36     E2_main.fill(0.f);
37     E2_shadow.fill(0.f);
38   }
39 };
40 
41 }  // namespace webrtc
42 
43 #endif  // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
44