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New const method StreamStatistician::GetStats

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And a corresponding struct RtpReceiveStats. This is intended
to hold the information exposed via GetStats, which is quite
different from the stats reported to the peer via RTCP.

This is a preparation for moving ReceiveStatistics out of the
individual receive stream objects, and instead have a shared instance
owned by RtpStreamReceiverController or maybe Call.

Bug: webrtc:10679,chromium:677543
Change-Id: Ibb52ee769516ddc51da109b7f2319405693be5d5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/148982
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28943}
This commit is contained in:
Niels Möller
2019-08-22 09:40:25 +02:00
committed by Commit Bot
parent 74154e65e8
commit d77cc24f67
12 changed files with 166 additions and 102 deletions
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13
modules/rtp_rtcp/source/receive_statistics_impl.cc
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@ -166,6 +166,19 @@ void StreamStatisticianImpl::EnableRetransmitDetection(bool enable) {
enable_retransmit_detection_ = enable;
}
RtpReceiveStats StreamStatisticianImpl::GetStats() const {
rtc::CritScope cs(&stream_lock_);
RtpReceiveStats stats;
stats.packets_lost = cumulative_loss_;
// TODO(nisse): Can we return a float instead?
// Note: internal jitter value is in Q4 and needs to be scaled by 1/16.
stats.jitter = jitter_q4_ >> 4;
stats.last_packet_received_timestamp_ms =
receive_counters_.last_packet_received_timestamp_ms;
stats.packet_counter = receive_counters_.transmitted;
return stats;
}
bool StreamStatisticianImpl::GetStatistics(RtcpStatistics* statistics,
bool reset) {
rtc::CritScope cs(&stream_lock_);