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1 /* | 1 /* |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ |
13 | 13 |
| 14 #include "webrtc/base/constructormagic.h" |
14 #include "webrtc/modules/audio_processing/aec3/aec3_common.h" | 15 #include "webrtc/modules/audio_processing/aec3/aec3_common.h" |
15 #include "webrtc/modules/audio_processing/aec3/render_buffer.h" | 16 #include "webrtc/modules/audio_processing/aec3/render_buffer.h" |
16 #include "webrtc/modules/audio_processing/aec3/render_signal_analyzer.h" | 17 #include "webrtc/modules/audio_processing/aec3/render_signal_analyzer.h" |
17 #include "webrtc/rtc_base/constructormagic.h" | |
18 | 18 |
19 namespace webrtc { | 19 namespace webrtc { |
20 | 20 |
21 // Provides functionality for computing the fixed gain for the shadow filter. | 21 // Provides functionality for computing the fixed gain for the shadow filter. |
22 class ShadowFilterUpdateGain { | 22 class ShadowFilterUpdateGain { |
23 public: | 23 public: |
24 // Takes action in the case of a known echo path change. | 24 // Takes action in the case of a known echo path change. |
25 void HandleEchoPathChange(); | 25 void HandleEchoPathChange(); |
26 | 26 |
27 // Computes the gain. | 27 // Computes the gain. |
28 void Compute(const RenderBuffer& render_buffer, | 28 void Compute(const RenderBuffer& render_buffer, |
29 const RenderSignalAnalyzer& render_signal_analyzer, | 29 const RenderSignalAnalyzer& render_signal_analyzer, |
30 const FftData& E_shadow, | 30 const FftData& E_shadow, |
31 size_t size_partitions, | 31 size_t size_partitions, |
32 bool saturated_capture_signal, | 32 bool saturated_capture_signal, |
33 FftData* G); | 33 FftData* G); |
34 | 34 |
35 private: | 35 private: |
36 // TODO(peah): Check whether this counter should instead be initialized to a | 36 // TODO(peah): Check whether this counter should instead be initialized to a |
37 // large value. | 37 // large value. |
38 size_t poor_signal_excitation_counter_ = 0; | 38 size_t poor_signal_excitation_counter_ = 0; |
39 size_t call_counter_ = 0; | 39 size_t call_counter_ = 0; |
40 }; | 40 }; |
41 | 41 |
42 } // namespace webrtc | 42 } // namespace webrtc |
43 | 43 |
44 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ | 44 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SHADOW_FILTER_UPDATE_GAIN_H_ |
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