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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 class FlexfecReceiver { | 36 class FlexfecReceiver { |
37 public: | 37 public: |
38 FlexfecReceiver(uint32_t ssrc, | 38 FlexfecReceiver(uint32_t ssrc, |
39 uint32_t protected_media_ssrc, | 39 uint32_t protected_media_ssrc, |
40 RecoveredPacketReceiver* recovered_packet_receiver); | 40 RecoveredPacketReceiver* recovered_packet_receiver); |
41 ~FlexfecReceiver(); | 41 ~FlexfecReceiver(); |
42 | 42 |
43 // Inserts a received packet (can be either media or FlexFEC) into the | 43 // Inserts a received packet (can be either media or FlexFEC) into the |
44 // internal buffer, and sends the received packets to the erasure code. | 44 // internal buffer, and sends the received packets to the erasure code. |
45 // All newly recovered packets are sent back through the callback. | 45 // All newly recovered packets are sent back through the callback. |
46 bool AddAndProcessReceivedPacket(const RtpPacketReceived& packet); | 46 void OnRtpPacket(const RtpPacketReceived& packet); |
47 | 47 |
48 // Returns a counter describing the added and recovered packets. | 48 // Returns a counter describing the added and recovered packets. |
49 FecPacketCounter GetPacketCounter() const; | 49 FecPacketCounter GetPacketCounter() const; |
50 | 50 |
51 private: | 51 // Protected to aid testing. |
| 52 protected: |
52 bool AddReceivedPacket(const RtpPacketReceived& packet); | 53 bool AddReceivedPacket(const RtpPacketReceived& packet); |
53 bool ProcessReceivedPackets(); | 54 bool ProcessReceivedPackets(); |
54 | 55 |
| 56 private: |
55 // Config. | 57 // Config. |
56 const uint32_t ssrc_; | 58 const uint32_t ssrc_; |
57 const uint32_t protected_media_ssrc_; | 59 const uint32_t protected_media_ssrc_; |
58 | 60 |
59 // Erasure code interfacing and callback. | 61 // Erasure code interfacing and callback. |
60 std::unique_ptr<ForwardErrorCorrection> erasure_code_ | 62 std::unique_ptr<ForwardErrorCorrection> erasure_code_ |
61 GUARDED_BY(sequence_checker_); | 63 GUARDED_BY(sequence_checker_); |
62 ForwardErrorCorrection::ReceivedPacketList received_packets_ | 64 ForwardErrorCorrection::ReceivedPacketList received_packets_ |
63 GUARDED_BY(sequence_checker_); | 65 GUARDED_BY(sequence_checker_); |
64 ForwardErrorCorrection::RecoveredPacketList recovered_packets_ | 66 ForwardErrorCorrection::RecoveredPacketList recovered_packets_ |
65 GUARDED_BY(sequence_checker_); | 67 GUARDED_BY(sequence_checker_); |
66 RecoveredPacketReceiver* const recovered_packet_receiver_; | 68 RecoveredPacketReceiver* const recovered_packet_receiver_; |
67 | 69 |
68 // Logging and stats. | 70 // Logging and stats. |
69 Clock* const clock_; | 71 Clock* const clock_; |
70 int64_t last_recovered_packet_ms_ GUARDED_BY(sequence_checker_); | 72 int64_t last_recovered_packet_ms_ GUARDED_BY(sequence_checker_); |
71 FecPacketCounter packet_counter_ GUARDED_BY(sequence_checker_); | 73 FecPacketCounter packet_counter_ GUARDED_BY(sequence_checker_); |
72 | 74 |
73 rtc::SequencedTaskChecker sequence_checker_; | 75 rtc::SequencedTaskChecker sequence_checker_; |
74 }; | 76 }; |
75 | 77 |
76 } // namespace webrtc | 78 } // namespace webrtc |
77 | 79 |
78 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_FLEXFEC_RECEIVER_H_ | 80 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_FLEXFEC_RECEIVER_H_ |
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