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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_ECHO_REMOVER_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_ |
13 | 13 |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
| 16 #include "webrtc/base/optional.h" |
16 #include "webrtc/modules/audio_processing/aec3/echo_path_variability.h" | 17 #include "webrtc/modules/audio_processing/aec3/echo_path_variability.h" |
17 #include "webrtc/modules/audio_processing/aec3/render_buffer.h" | 18 #include "webrtc/modules/audio_processing/aec3/render_buffer.h" |
18 #include "webrtc/modules/audio_processing/include/audio_processing.h" | 19 #include "webrtc/modules/audio_processing/include/audio_processing.h" |
19 #include "webrtc/rtc_base/optional.h" | |
20 | 20 |
21 namespace webrtc { | 21 namespace webrtc { |
22 | 22 |
23 // Class for removing the echo from the capture signal. | 23 // Class for removing the echo from the capture signal. |
24 class EchoRemover { | 24 class EchoRemover { |
25 public: | 25 public: |
26 static EchoRemover* Create( | 26 static EchoRemover* Create( |
27 const AudioProcessing::Config::EchoCanceller3& config, | 27 const AudioProcessing::Config::EchoCanceller3& config, |
28 int sample_rate_hz); | 28 int sample_rate_hz); |
29 virtual ~EchoRemover() = default; | 29 virtual ~EchoRemover() = default; |
30 | 30 |
31 // Removes the echo from a block of samples from the capture signal. The | 31 // Removes the echo from a block of samples from the capture signal. The |
32 // supplied render signal is assumed to be pre-aligned with the capture | 32 // supplied render signal is assumed to be pre-aligned with the capture |
33 // signal. | 33 // signal. |
34 virtual void ProcessCapture( | 34 virtual void ProcessCapture( |
35 const rtc::Optional<size_t>& echo_path_delay_samples, | 35 const rtc::Optional<size_t>& echo_path_delay_samples, |
36 const EchoPathVariability& echo_path_variability, | 36 const EchoPathVariability& echo_path_variability, |
37 bool capture_signal_saturation, | 37 bool capture_signal_saturation, |
38 const RenderBuffer& render_buffer, | 38 const RenderBuffer& render_buffer, |
39 std::vector<std::vector<float>>* capture) = 0; | 39 std::vector<std::vector<float>>* capture) = 0; |
40 | 40 |
41 // Updates the status on whether echo leakage is detected in the output of the | 41 // Updates the status on whether echo leakage is detected in the output of the |
42 // echo remover. | 42 // echo remover. |
43 virtual void UpdateEchoLeakageStatus(bool leakage_detected) = 0; | 43 virtual void UpdateEchoLeakageStatus(bool leakage_detected) = 0; |
44 }; | 44 }; |
45 | 45 |
46 } // namespace webrtc | 46 } // namespace webrtc |
47 | 47 |
48 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_ | 48 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_ |
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