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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_OUTPUT_SELECTOR_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_ |
13 | 13 |
14 #include "webrtc/base/array_view.h" | 14 #include "webrtc/base/array_view.h" |
15 #include "webrtc/base/constructormagic.h" | 15 #include "webrtc/base/constructormagic.h" |
16 | 16 |
17 namespace webrtc { | 17 namespace webrtc { |
18 | 18 |
19 // Performs the selection between which of the linear aec output and the | 19 // Performs the selection between which of the linear aec output and the |
20 // microphone signal should be used as the echo suppressor output. | 20 // microphone signal should be used as the echo suppressor output. |
21 class OutputSelector { | 21 class OutputSelector { |
22 public: | 22 public: |
23 OutputSelector(); | 23 OutputSelector(); |
24 ~OutputSelector(); | 24 ~OutputSelector(); |
25 | 25 |
26 // Forms the most appropriate output signal. | 26 // Forms the most appropriate output signal. |
27 void FormLinearOutput(rtc::ArrayView<const float> subtractor_output, | 27 void FormLinearOutput(bool use_subtractor_output, |
| 28 rtc::ArrayView<const float> subtractor_output, |
28 rtc::ArrayView<float> capture); | 29 rtc::ArrayView<float> capture); |
29 | 30 |
30 // Returns true if the linear aec output is the one used. | 31 // Returns true if the linear aec output is the one used. |
31 bool UseSubtractorOutput() const { return use_subtractor_output_; } | 32 bool UseSubtractorOutput() const { return use_subtractor_output_; } |
32 | 33 |
33 private: | 34 private: |
34 bool use_subtractor_output_ = false; | 35 bool use_subtractor_output_ = false; |
35 int output_change_counter_ = 0; | |
36 RTC_DISALLOW_COPY_AND_ASSIGN(OutputSelector); | 36 RTC_DISALLOW_COPY_AND_ASSIGN(OutputSelector); |
37 }; | 37 }; |
38 | 38 |
39 } // namespace webrtc | 39 } // namespace webrtc |
40 | 40 |
41 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_ | 41 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_ |
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