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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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52 | 52 |
53 // Returns target rate for the encoder given the channel parameters. | 53 // Returns target rate for the encoder given the channel parameters. |
54 // Inputs: estimated_bitrate_bps - the estimated network bitrate in bits/s. | 54 // Inputs: estimated_bitrate_bps - the estimated network bitrate in bits/s. |
55 // actual_framerate - encoder frame rate. | 55 // actual_framerate - encoder frame rate. |
56 // fraction_lost - packet loss rate in % in the network. | 56 // fraction_lost - packet loss rate in % in the network. |
57 // round_trip_time_ms - round trip time in milliseconds. | 57 // round_trip_time_ms - round trip time in milliseconds. |
58 uint32_t SetTargetRates(uint32_t estimated_bitrate_bps, | 58 uint32_t SetTargetRates(uint32_t estimated_bitrate_bps, |
59 int actual_framerate, | 59 int actual_framerate, |
60 uint8_t fraction_lost, | 60 uint8_t fraction_lost, |
61 int64_t round_trip_time_ms); | 61 int64_t round_trip_time_ms); |
62 | |
63 // Informs of encoded output. | 62 // Informs of encoded output. |
64 void UpdateWithEncodedData(const EncodedImage& encoded_image); | 63 void UpdateWithEncodedData(const EncodedImage& encoded_image); |
65 | 64 |
66 private: | 65 private: |
67 struct EncodedFrameSample; | 66 struct EncodedFrameSample; |
68 enum { kBitrateAverageWinMs = 1000 }; | 67 enum { kBitrateAverageWinMs = 1000 }; |
69 | 68 |
70 Clock* const clock_; | 69 Clock* const clock_; |
71 VCMProtectionCallback* const protection_callback_; | 70 VCMProtectionCallback* const protection_callback_; |
72 | 71 |
73 rtc::CriticalSection crit_sect_; | 72 rtc::CriticalSection crit_sect_; |
74 std::unique_ptr<media_optimization::VCMLossProtectionLogic> loss_prot_logic_ | 73 std::unique_ptr<media_optimization::VCMLossProtectionLogic> loss_prot_logic_ |
75 GUARDED_BY(crit_sect_); | 74 GUARDED_BY(crit_sect_); |
76 size_t max_payload_size_ GUARDED_BY(crit_sect_); | 75 size_t max_payload_size_ GUARDED_BY(crit_sect_); |
77 | 76 |
78 RTC_DISALLOW_COPY_AND_ASSIGN(ProtectionBitrateCalculator); | 77 RTC_DISALLOW_COPY_AND_ASSIGN(ProtectionBitrateCalculator); |
79 }; | 78 }; |
80 | 79 |
81 } // namespace webrtc | 80 } // namespace webrtc |
82 #endif // WEBRTC_MODULES_VIDEO_CODING_PROTECTION_BITRATE_CALCULATOR_H_ | 81 #endif // WEBRTC_MODULES_VIDEO_CODING_PROTECTION_BITRATE_CALCULATOR_H_ |
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