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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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| 36 // arbitrary thread. | 36 // arbitrary thread. |
| 37 class ProtectionBitrateCalculator { | 37 class ProtectionBitrateCalculator { |
| 38 public: | 38 public: |
| 39 ProtectionBitrateCalculator(Clock* clock, | 39 ProtectionBitrateCalculator(Clock* clock, |
| 40 VCMProtectionCallback* protection_callback); | 40 VCMProtectionCallback* protection_callback); |
| 41 ~ProtectionBitrateCalculator(); | 41 ~ProtectionBitrateCalculator(); |
| 42 | 42 |
| 43 void SetProtectionMethod(bool enable_fec, bool enable_nack); | 43 void SetProtectionMethod(bool enable_fec, bool enable_nack); |
| 44 | 44 |
| 45 // Informs media optimization of initial encoding state. | 45 // Informs media optimization of initial encoding state. |
| 46 void SetEncodingData(uint32_t estimated_bitrate_bps, | 46 void SetEncodingData(size_t width, |
| 47 uint16_t width, | 47 size_t height, |
| 48 uint16_t height, | |
| 49 uint32_t frame_rate, | |
| 50 size_t num_temporal_layers, | 48 size_t num_temporal_layers, |
| 51 size_t max_payload_size); | 49 size_t max_payload_size); |
| 52 | 50 |
| 53 // Returns target rate for the encoder given the channel parameters. | 51 // Returns target rate for the encoder given the channel parameters. |
| 54 // Inputs: estimated_bitrate_bps - the estimated network bitrate in bits/s. | 52 // Inputs: estimated_bitrate_bps - the estimated network bitrate in bits/s. |
| 55 // actual_framerate - encoder frame rate. | 53 // actual_framerate - encoder frame rate. |
| 56 // fraction_lost - packet loss rate in % in the network. | 54 // fraction_lost - packet loss rate in % in the network. |
| 57 // round_trip_time_ms - round trip time in milliseconds. | 55 // round_trip_time_ms - round trip time in milliseconds. |
| 58 uint32_t SetTargetRates(uint32_t estimated_bitrate_bps, | 56 uint32_t SetTargetRates(uint32_t estimated_bitrate_bps, |
| 59 int actual_framerate, | 57 int actual_framerate, |
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| 72 rtc::CriticalSection crit_sect_; | 70 rtc::CriticalSection crit_sect_; |
| 73 std::unique_ptr<media_optimization::VCMLossProtectionLogic> loss_prot_logic_ | 71 std::unique_ptr<media_optimization::VCMLossProtectionLogic> loss_prot_logic_ |
| 74 GUARDED_BY(crit_sect_); | 72 GUARDED_BY(crit_sect_); |
| 75 size_t max_payload_size_ GUARDED_BY(crit_sect_); | 73 size_t max_payload_size_ GUARDED_BY(crit_sect_); |
| 76 | 74 |
| 77 RTC_DISALLOW_COPY_AND_ASSIGN(ProtectionBitrateCalculator); | 75 RTC_DISALLOW_COPY_AND_ASSIGN(ProtectionBitrateCalculator); |
| 78 }; | 76 }; |
| 79 | 77 |
| 80 } // namespace webrtc | 78 } // namespace webrtc |
| 81 #endif // WEBRTC_MODULES_VIDEO_CODING_PROTECTION_BITRATE_CALCULATOR_H_ | 79 #endif // WEBRTC_MODULES_VIDEO_CODING_PROTECTION_BITRATE_CALCULATOR_H_ |
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