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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_ | 11 #ifndef WEBRTC_MODULES_RTP_RTCP_INCLUDE_ULPFEC_RECEIVER_H_ |
12 #define WEBRTC_MODULES_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_ | 12 #define WEBRTC_MODULES_RTP_RTCP_INCLUDE_ULPFEC_RECEIVER_H_ |
13 | 13 |
14 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" | 14 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
15 #include "webrtc/typedefs.h" | 15 #include "webrtc/typedefs.h" |
16 | 16 |
17 namespace webrtc { | 17 namespace webrtc { |
18 | 18 |
19 struct FecPacketCounter { | 19 struct FecPacketCounter { |
20 FecPacketCounter() | 20 FecPacketCounter() |
21 : num_packets(0), | 21 : num_packets(0), num_fec_packets(0), num_recovered_packets(0) {} |
22 num_fec_packets(0), | |
23 num_recovered_packets(0) {} | |
24 | 22 |
25 size_t num_packets; // Number of received packets. | 23 size_t num_packets; // Number of received packets. |
26 size_t num_fec_packets; // Number of received FEC packets. | 24 size_t num_fec_packets; // Number of received FEC packets. |
27 size_t num_recovered_packets; // Number of recovered media packets using FEC. | 25 size_t num_recovered_packets; // Number of recovered media packets using FEC. |
28 }; | 26 }; |
29 | 27 |
30 class FecReceiver { | 28 class UlpfecReceiver { |
31 public: | 29 public: |
32 static FecReceiver* Create(RtpData* callback); | 30 static UlpfecReceiver* Create(RtpData* callback); |
33 | 31 |
34 virtual ~FecReceiver() {} | 32 virtual ~UlpfecReceiver() {} |
35 | 33 |
36 // Takes a RED packet, strips the RED header, and adds the resulting | 34 // Takes a RED packet, strips the RED header, and adds the resulting |
37 // "virtual" RTP packet(s) into the internal buffer. | 35 // "virtual" RTP packet(s) into the internal buffer. |
38 // | 36 // |
39 // TODO(brandtr): Set |ulpfec_payload_type| during constructor call, | 37 // TODO(brandtr): Set |ulpfec_payload_type| during constructor call, |
40 // rather than as a parameter here. | 38 // rather than as a parameter here. |
41 virtual int32_t AddReceivedRedPacket(const RTPHeader& rtp_header, | 39 virtual int32_t AddReceivedRedPacket(const RTPHeader& rtp_header, |
42 const uint8_t* incoming_rtp_packet, | 40 const uint8_t* incoming_rtp_packet, |
43 size_t packet_length, | 41 size_t packet_length, |
44 uint8_t ulpfec_payload_type) = 0; | 42 uint8_t ulpfec_payload_type) = 0; |
45 | 43 |
46 // Sends the received packets to the FEC and returns all packets | 44 // Sends the received packets to the FEC and returns all packets |
47 // (both original media and recovered) through the callback. | 45 // (both original media and recovered) through the callback. |
48 virtual int32_t ProcessReceivedFec() = 0; | 46 virtual int32_t ProcessReceivedFec() = 0; |
49 | 47 |
50 // Returns a counter describing the added and recovered packets. | 48 // Returns a counter describing the added and recovered packets. |
51 virtual FecPacketCounter GetPacketCounter() const = 0; | 49 virtual FecPacketCounter GetPacketCounter() const = 0; |
52 }; | 50 }; |
53 } // namespace webrtc | 51 } // namespace webrtc |
54 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_ | 52 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_ULPFEC_RECEIVER_H_ |
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