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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
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51 // Returns the system delay of the first AEC component. | 51 // Returns the system delay of the first AEC component. |
52 int GetSystemDelayInSamples() const; | 52 int GetSystemDelayInSamples() const; |
53 | 53 |
54 static void PackRenderAudioBuffer(const AudioBuffer* audio, | 54 static void PackRenderAudioBuffer(const AudioBuffer* audio, |
55 size_t num_output_channels, | 55 size_t num_output_channels, |
56 size_t num_channels, | 56 size_t num_channels, |
57 std::vector<float>* packed_buffer); | 57 std::vector<float>* packed_buffer); |
58 static size_t NumCancellersRequired(size_t num_output_channels, | 58 static size_t NumCancellersRequired(size_t num_output_channels, |
59 size_t num_reverse_channels); | 59 size_t num_reverse_channels); |
60 | 60 |
| 61 // Enable logging of various AEC statistics. |
| 62 int enable_metrics(bool enable) override; |
| 63 |
| 64 // Provides various statistics about the AEC. |
| 65 int GetMetrics(Metrics* metrics) override; |
| 66 |
| 67 // Enable logging of delay metrics. |
| 68 int enable_delay_logging(bool enable) override; |
| 69 |
| 70 // Provides delay metrics. |
| 71 int GetDelayMetrics(int* median, |
| 72 int* std, |
| 73 float* fraction_poor_delays) override; |
| 74 |
61 private: | 75 private: |
62 class Canceller; | 76 class Canceller; |
63 struct StreamProperties; | 77 struct StreamProperties; |
64 | 78 |
65 // EchoCancellation implementation. | 79 // EchoCancellation implementation. |
66 int Enable(bool enable) override; | 80 int Enable(bool enable) override; |
67 int enable_drift_compensation(bool enable) override; | 81 int enable_drift_compensation(bool enable) override; |
68 void set_stream_drift_samples(int drift) override; | 82 void set_stream_drift_samples(int drift) override; |
69 int set_suppression_level(SuppressionLevel level) override; | 83 int set_suppression_level(SuppressionLevel level) override; |
70 int enable_metrics(bool enable) override; | |
71 bool are_metrics_enabled() const override; | 84 bool are_metrics_enabled() const override; |
72 bool stream_has_echo() const override; | 85 bool stream_has_echo() const override; |
73 int GetMetrics(Metrics* metrics) override; | |
74 int enable_delay_logging(bool enable) override; | |
75 bool is_delay_logging_enabled() const override; | 86 bool is_delay_logging_enabled() const override; |
76 int GetDelayMetrics(int* median, int* std) override; | 87 int GetDelayMetrics(int* median, int* std) override; |
77 int GetDelayMetrics(int* median, | |
78 int* std, | |
79 float* fraction_poor_delays) override; | |
80 | 88 |
81 struct AecCore* aec_core() const override; | 89 struct AecCore* aec_core() const override; |
82 | 90 |
83 void AllocateRenderQueue(); | 91 void AllocateRenderQueue(); |
84 int Configure(); | 92 int Configure(); |
85 | 93 |
86 rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_); | 94 rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_); |
87 rtc::CriticalSection* const crit_capture_; | 95 rtc::CriticalSection* const crit_capture_; |
88 | 96 |
89 bool enabled_ = false; | 97 bool enabled_ = false; |
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101 | 109 |
102 std::vector<std::unique_ptr<Canceller>> cancellers_; | 110 std::vector<std::unique_ptr<Canceller>> cancellers_; |
103 std::unique_ptr<StreamProperties> stream_properties_; | 111 std::unique_ptr<StreamProperties> stream_properties_; |
104 | 112 |
105 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoCancellationImpl); | 113 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoCancellationImpl); |
106 }; | 114 }; |
107 | 115 |
108 } // namespace webrtc | 116 } // namespace webrtc |
109 | 117 |
110 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_ | 118 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_ |
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