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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 |
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| 67 // Dependency injection for testing. | 67 // Dependency injection for testing. |
| 68 FecController(const Config& config, | 68 FecController(const Config& config, |
| 69 std::unique_ptr<SmoothingFilter> smoothing_filter); | 69 std::unique_ptr<SmoothingFilter> smoothing_filter); |
| 70 | 70 |
| 71 explicit FecController(const Config& config); | 71 explicit FecController(const Config& config); |
| 72 | 72 |
| 73 ~FecController() override; | 73 ~FecController() override; |
| 74 | 74 |
| 75 void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) override; | 75 void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) override; |
| 76 | 76 |
| 77 void MakeDecision(AudioNetworkAdaptor::EncoderRuntimeConfig* config) override; | 77 void MakeDecision(AudioEncoderRuntimeConfig* config) override; |
| 78 | 78 |
| 79 private: | 79 private: |
| 80 // Characterize Threshold with packet_loss = slope * bandwidth + offset. | 80 // Characterize Threshold with packet_loss = slope * bandwidth + offset. |
| 81 struct ThresholdInfo { | 81 struct ThresholdInfo { |
| 82 explicit ThresholdInfo(const Config::Threshold& threshold); | 82 explicit ThresholdInfo(const Config::Threshold& threshold); |
| 83 float slope; | 83 float slope; |
| 84 float offset; | 84 float offset; |
| 85 }; | 85 }; |
| 86 | 86 |
| 87 float GetPacketLossThreshold(int bandwidth_bps, | 87 float GetPacketLossThreshold(int bandwidth_bps, |
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| 98 | 98 |
| 99 const ThresholdInfo fec_enabling_threshold_info_; | 99 const ThresholdInfo fec_enabling_threshold_info_; |
| 100 const ThresholdInfo fec_disabling_threshold_info_; | 100 const ThresholdInfo fec_disabling_threshold_info_; |
| 101 | 101 |
| 102 RTC_DISALLOW_COPY_AND_ASSIGN(FecController); | 102 RTC_DISALLOW_COPY_AND_ASSIGN(FecController); |
| 103 }; | 103 }; |
| 104 | 104 |
| 105 } // namespace webrtc | 105 } // namespace webrtc |
| 106 | 106 |
| 107 #endif // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_FEC_CONTROLLER_H_ | 107 #endif // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_FEC_CONTROLLER_H_ |
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