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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ |
13 | 13 |
14 #include <memory> | 14 #include <memory> |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "webrtc/base/array_view.h" | 17 #include "webrtc/base/array_view.h" |
18 #include "webrtc/base/constructormagic.h" | 18 #include "webrtc/base/constructormagic.h" |
19 #include "webrtc/modules/audio_processing/level_controller/down_sampler.h" | 19 #include "webrtc/modules/audio_processing/level_controller/down_sampler.h" |
20 #include "webrtc/modules/audio_processing/level_controller/noise_spectrum_estima
tor.h" | 20 #include "webrtc/modules/audio_processing/level_controller/noise_spectrum_estima
tor.h" |
| 21 #include "webrtc/modules/audio_processing/utility/ooura_fft.h" |
21 | 22 |
22 namespace webrtc { | 23 namespace webrtc { |
23 | 24 |
24 class ApmDataDumper; | 25 class ApmDataDumper; |
25 class AudioBuffer; | 26 class AudioBuffer; |
26 | 27 |
27 class SignalClassifier { | 28 class SignalClassifier { |
28 public: | 29 public: |
29 enum class SignalType { kHighlyNonStationary, kNonStationary, kStationary }; | 30 enum class SignalType { kHighlyNonStationary, kNonStationary, kStationary }; |
30 | 31 |
(...skipping 19 matching lines...) Expand all Loading... |
50 }; | 51 }; |
51 | 52 |
52 ApmDataDumper* const data_dumper_; | 53 ApmDataDumper* const data_dumper_; |
53 DownSampler down_sampler_; | 54 DownSampler down_sampler_; |
54 std::unique_ptr<FrameExtender> frame_extender_; | 55 std::unique_ptr<FrameExtender> frame_extender_; |
55 NoiseSpectrumEstimator noise_spectrum_estimator_; | 56 NoiseSpectrumEstimator noise_spectrum_estimator_; |
56 int sample_rate_hz_; | 57 int sample_rate_hz_; |
57 int initialization_frames_left_; | 58 int initialization_frames_left_; |
58 int consistent_classification_counter_; | 59 int consistent_classification_counter_; |
59 SignalType last_signal_type_; | 60 SignalType last_signal_type_; |
| 61 const OouraFft ooura_fft_; |
60 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(SignalClassifier); | 62 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(SignalClassifier); |
61 }; | 63 }; |
62 | 64 |
63 } // namespace webrtc | 65 } // namespace webrtc |
64 | 66 |
65 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ | 67 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SIGNAL_CLASSIFIER_H_ |
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