63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_VIDEO_REPORT_BLOCK_STATS_H_
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#define WEBRTC_VIDEO_REPORT_BLOCK_STATS_H_
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#include <map>
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#include <vector>
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#include "webrtc/common_types.h"
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#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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namespace webrtc {
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// Helper class for rtcp statistics.
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class ReportBlockStats {
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public:
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typedef std::map<uint32_t, RTCPReportBlock> ReportBlockMap;
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typedef std::vector<RTCPReportBlock> ReportBlockVector;
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ReportBlockStats();
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~ReportBlockStats() {}
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// Updates stats and stores report blocks.
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// Returns an aggregate of the |report_blocks|.
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RTCPReportBlock AggregateAndStore(const ReportBlockVector& report_blocks);
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// Updates stats and stores report block.
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void Store(const RtcpStatistics& rtcp_stats,
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uint32_t remote_ssrc,
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uint32_t source_ssrc);
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// Returns the total fraction of lost packets (or -1 if less than two report
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// blocks have been stored).
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int FractionLostInPercent() const;
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private:
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// Updates the total number of packets/lost packets.
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// Stores the report block.
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// Returns the number of packets/lost packets since previous report block.
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void StoreAndAddPacketIncrement(const RTCPReportBlock& report_block,
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uint32_t* num_sequence_numbers,
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uint32_t* num_lost_sequence_numbers);
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// The total number of packets/lost packets.
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uint32_t num_sequence_numbers_;
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uint32_t num_lost_sequence_numbers_;
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// Map holding the last stored report block (mapped by the source SSRC).
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ReportBlockMap prev_report_blocks_;
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_REPORT_BLOCK_STATS_H_
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