OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 |
(...skipping 16 matching lines...) Expand all Loading... |
27 // Helper class for rtcp statistics. | 27 // Helper class for rtcp statistics. |
28 ReportBlockStats::ReportBlockStats() | 28 ReportBlockStats::ReportBlockStats() |
29 : num_sequence_numbers_(0), | 29 : num_sequence_numbers_(0), |
30 num_lost_sequence_numbers_(0) { | 30 num_lost_sequence_numbers_(0) { |
31 } | 31 } |
32 | 32 |
33 void ReportBlockStats::Store(const RtcpStatistics& rtcp_stats, | 33 void ReportBlockStats::Store(const RtcpStatistics& rtcp_stats, |
34 uint32_t remote_ssrc, | 34 uint32_t remote_ssrc, |
35 uint32_t source_ssrc) { | 35 uint32_t source_ssrc) { |
36 RTCPReportBlock block; | 36 RTCPReportBlock block; |
37 block.cumulativeLost = rtcp_stats.packets_lost; | 37 block.packets_lost = rtcp_stats.packets_lost; |
38 block.fractionLost = rtcp_stats.fraction_lost; | 38 block.fraction_lost = rtcp_stats.fraction_lost; |
39 block.extendedHighSeqNum = rtcp_stats.extended_highest_sequence_number; | 39 block.extended_highest_sequence_number = |
| 40 rtcp_stats.extended_highest_sequence_number; |
40 block.jitter = rtcp_stats.jitter; | 41 block.jitter = rtcp_stats.jitter; |
41 block.remoteSSRC = remote_ssrc; | 42 block.sender_ssrc = remote_ssrc; |
42 block.sourceSSRC = source_ssrc; | 43 block.source_ssrc = source_ssrc; |
43 uint32_t num_sequence_numbers = 0; | 44 uint32_t num_sequence_numbers = 0; |
44 uint32_t num_lost_sequence_numbers = 0; | 45 uint32_t num_lost_sequence_numbers = 0; |
45 StoreAndAddPacketIncrement( | 46 StoreAndAddPacketIncrement( |
46 block, &num_sequence_numbers, &num_lost_sequence_numbers); | 47 block, &num_sequence_numbers, &num_lost_sequence_numbers); |
47 } | 48 } |
48 | 49 |
49 RTCPReportBlock ReportBlockStats::AggregateAndStore( | 50 RTCPReportBlock ReportBlockStats::AggregateAndStore( |
50 const ReportBlockVector& report_blocks) { | 51 const ReportBlockVector& report_blocks) { |
51 RTCPReportBlock aggregate; | 52 RTCPReportBlock aggregate; |
52 if (report_blocks.empty()) { | 53 if (report_blocks.empty()) { |
53 return aggregate; | 54 return aggregate; |
54 } | 55 } |
55 uint32_t num_sequence_numbers = 0; | 56 uint32_t num_sequence_numbers = 0; |
56 uint32_t num_lost_sequence_numbers = 0; | 57 uint32_t num_lost_sequence_numbers = 0; |
57 ReportBlockVector::const_iterator report_block = report_blocks.begin(); | 58 ReportBlockVector::const_iterator report_block = report_blocks.begin(); |
58 for (; report_block != report_blocks.end(); ++report_block) { | 59 for (; report_block != report_blocks.end(); ++report_block) { |
59 aggregate.cumulativeLost += report_block->cumulativeLost; | 60 aggregate.packets_lost += report_block->packets_lost; |
60 aggregate.jitter += report_block->jitter; | 61 aggregate.jitter += report_block->jitter; |
61 StoreAndAddPacketIncrement(*report_block, | 62 StoreAndAddPacketIncrement(*report_block, |
62 &num_sequence_numbers, | 63 &num_sequence_numbers, |
63 &num_lost_sequence_numbers); | 64 &num_lost_sequence_numbers); |
64 } | 65 } |
65 | 66 |
66 if (report_blocks.size() == 1) { | 67 if (report_blocks.size() == 1) { |
67 // No aggregation needed. | 68 // No aggregation needed. |
68 return report_blocks[0]; | 69 return report_blocks[0]; |
69 } | 70 } |
70 // Fraction lost since previous report block. | 71 // Fraction lost since previous report block. |
71 aggregate.fractionLost = | 72 aggregate.fraction_lost = |
72 FractionLost(num_lost_sequence_numbers, num_sequence_numbers); | 73 FractionLost(num_lost_sequence_numbers, num_sequence_numbers); |
73 aggregate.jitter = static_cast<uint32_t>( | 74 aggregate.jitter = static_cast<uint32_t>( |
74 (aggregate.jitter + report_blocks.size() / 2) / report_blocks.size()); | 75 (aggregate.jitter + report_blocks.size() / 2) / report_blocks.size()); |
75 return aggregate; | 76 return aggregate; |
76 } | 77 } |
77 | 78 |
78 void ReportBlockStats::StoreAndAddPacketIncrement( | 79 void ReportBlockStats::StoreAndAddPacketIncrement( |
79 const RTCPReportBlock& report_block, | 80 const RTCPReportBlock& report_block, |
80 uint32_t* num_sequence_numbers, | 81 uint32_t* num_sequence_numbers, |
81 uint32_t* num_lost_sequence_numbers) { | 82 uint32_t* num_lost_sequence_numbers) { |
82 // Get diff with previous report block. | 83 // Get diff with previous report block. |
83 ReportBlockMap::iterator prev_report_block = prev_report_blocks_.find( | 84 ReportBlockMap::iterator prev_report_block = |
84 report_block.sourceSSRC); | 85 prev_report_blocks_.find(report_block.source_ssrc); |
85 if (prev_report_block != prev_report_blocks_.end()) { | 86 if (prev_report_block != prev_report_blocks_.end()) { |
86 int seq_num_diff = report_block.extendedHighSeqNum - | 87 int seq_num_diff = |
87 prev_report_block->second.extendedHighSeqNum; | 88 report_block.extended_highest_sequence_number - |
88 int cum_loss_diff = report_block.cumulativeLost - | 89 prev_report_block->second.extended_highest_sequence_number; |
89 prev_report_block->second.cumulativeLost; | 90 int cum_loss_diff = |
| 91 report_block.packets_lost - prev_report_block->second.packets_lost; |
90 if (seq_num_diff >= 0 && cum_loss_diff >= 0) { | 92 if (seq_num_diff >= 0 && cum_loss_diff >= 0) { |
91 *num_sequence_numbers += seq_num_diff; | 93 *num_sequence_numbers += seq_num_diff; |
92 *num_lost_sequence_numbers += cum_loss_diff; | 94 *num_lost_sequence_numbers += cum_loss_diff; |
93 // Update total number of packets/lost packets. | 95 // Update total number of packets/lost packets. |
94 num_sequence_numbers_ += seq_num_diff; | 96 num_sequence_numbers_ += seq_num_diff; |
95 num_lost_sequence_numbers_ += cum_loss_diff; | 97 num_lost_sequence_numbers_ += cum_loss_diff; |
96 } | 98 } |
97 } | 99 } |
98 // Store current report block. | 100 // Store current report block. |
99 prev_report_blocks_[report_block.sourceSSRC] = report_block; | 101 prev_report_blocks_[report_block.source_ssrc] = report_block; |
100 } | 102 } |
101 | 103 |
102 int ReportBlockStats::FractionLostInPercent() const { | 104 int ReportBlockStats::FractionLostInPercent() const { |
103 if (num_sequence_numbers_ == 0) { | 105 if (num_sequence_numbers_ == 0) { |
104 return -1; | 106 return -1; |
105 } | 107 } |
106 return FractionLost( | 108 return FractionLost( |
107 num_lost_sequence_numbers_, num_sequence_numbers_) * 100 / 255; | 109 num_lost_sequence_numbers_, num_sequence_numbers_) * 100 / 255; |
108 } | 110 } |
109 | 111 |
110 } // namespace webrtc | 112 } // namespace webrtc |
111 | 113 |
OLD | NEW |