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Side by Side Diff: webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h

Issue 1631683002: [rtp_rtcp] Dlrr::SubBlock struct renamed to ReceiveTimeInfo (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2015 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 11
12 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_ 12 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_
13 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_ 13 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_
14 14
15 #include <vector> 15 #include <vector>
16 16
17 #include "webrtc/base/basictypes.h" 17 #include "webrtc/base/basictypes.h"
18 18
19 namespace webrtc { 19 namespace webrtc {
20 namespace rtcp { 20 namespace rtcp {
21 struct ReceiveTimeInfo {
22 // RFC 3611 4.5
23 ReceiveTimeInfo() : ssrc(0), last_rr(0), delay_since_last_rr(0) {}
24 ReceiveTimeInfo(uint32_t ssrc, uint32_t last_rr, uint32_t delay)
25 : ssrc(ssrc), last_rr(last_rr), delay_since_last_rr(delay) {}
26 uint32_t ssrc;
27 uint32_t last_rr;
28 uint32_t delay_since_last_rr;
29 };
21 30
22 // DLRR Report Block: Delay since the Last Receiver Report (RFC 3611). 31 // DLRR Report Block: Delay since the Last Receiver Report (RFC 3611).
23 class Dlrr { 32 class Dlrr {
24 public: 33 public:
25 struct SubBlock {
26 // RFC 3611 4.5
27 uint32_t ssrc;
28 uint32_t last_rr;
29 uint32_t delay_since_last_rr;
30 };
31
32 static const uint8_t kBlockType = 5; 34 static const uint8_t kBlockType = 5;
33 static const size_t kMaxNumberOfDlrrItems = 100; 35 static const size_t kMaxNumberOfDlrrItems = 100;
34 36
35 Dlrr() {} 37 Dlrr() {}
36 Dlrr(const Dlrr& other) = default; 38 Dlrr(const Dlrr& other) = default;
37 ~Dlrr() {} 39 ~Dlrr() {}
38 40
39 Dlrr& operator=(const Dlrr& other) = default; 41 Dlrr& operator=(const Dlrr& other) = default;
40 42
41 // Second parameter is value read from block header, 43 // Second parameter is value read from block header,
42 // i.e. size of block in 32bits excluding block header itself. 44 // i.e. size of block in 32bits excluding block header itself.
43 bool Parse(const uint8_t* buffer, uint16_t block_length_32bits); 45 bool Parse(const uint8_t* buffer, uint16_t block_length_32bits);
44 46
45 size_t BlockLength() const; 47 size_t BlockLength() const;
46 // Fills buffer with the Dlrr. 48 // Fills buffer with the Dlrr.
47 // Consumes BlockLength() bytes. 49 // Consumes BlockLength() bytes.
48 void Create(uint8_t* buffer) const; 50 void Create(uint8_t* buffer) const;
49 51
50 // Max 100 DLRR Items can be added per DLRR report block. 52 // Max 100 DLRR Items can be added per DLRR report block.
53 bool WithDlrrItem(const ReceiveTimeInfo& time_info);
51 bool WithDlrrItem(uint32_t ssrc, uint32_t last_rr, uint32_t delay_last_rr); 54 bool WithDlrrItem(uint32_t ssrc, uint32_t last_rr, uint32_t delay_last_rr);
52 55
53 const std::vector<SubBlock>& sub_blocks() const { return sub_blocks_; } 56 const std::vector<ReceiveTimeInfo>& sub_blocks() const { return sub_blocks_; }
54 57
55 private: 58 private:
56 static const size_t kBlockHeaderLength = 4; 59 static const size_t kBlockHeaderLength = 4;
57 static const size_t kSubBlockLength = 12; 60 static const size_t kSubBlockLength = 12;
58 61
59 std::vector<SubBlock> sub_blocks_; 62 std::vector<ReceiveTimeInfo> sub_blocks_;
60 }; 63 };
61 } // namespace rtcp 64 } // namespace rtcp
62 } // namespace webrtc 65 } // namespace webrtc
63 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_ 66 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_
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