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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/video/report_block_stats.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/video/report_block_stats.h')
-rw-r--r-- | third_party/libwebrtc/video/report_block_stats.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/libwebrtc/video/report_block_stats.h b/third_party/libwebrtc/video/report_block_stats.h new file mode 100644 index 0000000000..1d1140295c --- /dev/null +++ b/third_party/libwebrtc/video/report_block_stats.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef VIDEO_REPORT_BLOCK_STATS_H_ +#define VIDEO_REPORT_BLOCK_STATS_H_ + +#include <stdint.h> + +#include <map> + +namespace webrtc { + +// TODO(nisse): Usefulness of this class is somewhat unclear. The inputs are +// cumulative counters, from which we compute deltas, and then accumulate the +// deltas. May be needed on the send side, to handle wraparound in the short +// counters received over RTCP, but should not be needed on the receive side +// where we can use large enough types for all counters we need. + +// Helper class for rtcp statistics. +class ReportBlockStats { + public: + ReportBlockStats(); + ~ReportBlockStats(); + + // Updates stats and stores report block. + void Store(uint32_t ssrc, + int packets_lost, + uint32_t extended_highest_sequence_number); + + // Returns the total fraction of lost packets (or -1 if less than two report + // blocks have been stored). + int FractionLostInPercent() const; + + private: + // The information from an RTCP report block that we need. + struct Report { + uint32_t extended_highest_sequence_number; + int32_t packets_lost; + }; + + // The total number of packets/lost packets. + uint32_t num_sequence_numbers_; + uint32_t num_lost_sequence_numbers_; + + // Map holding the last stored report (mapped by the source SSRC). + std::map<uint32_t, Report> prev_reports_; +}; + +} // namespace webrtc + +#endif // VIDEO_REPORT_BLOCK_STATS_H_ |