webrtc_m130/webrtc/modules/congestion_controller/probe_bitrate_estimator.h
Irfan Sheriff f99a9de069 ProbingEstimator: Erase history based on time threshold
Erases history based on time threshold instead of retaining really old cluster data. Also does a bunch of clean up.

BUG=
R=danilchap@webrtc.org, philipel@webrtc.org, stefan@webrtc.org

Review URL: https://codereview.webrtc.org/2239143002 .

Cr-Commit-Position: refs/heads/master@{#13870}
2016-08-23 21:23:12 +00:00

48 lines
1.5 KiB
C++

/*
* Copyright (c) 2016 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 WEBRTC_MODULES_CONGESTION_CONTROLLER_PROBE_BITRATE_ESTIMATOR_H_
#define WEBRTC_MODULES_CONGESTION_CONTROLLER_PROBE_BITRATE_ESTIMATOR_H_
#include <map>
#include <limits>
#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
namespace webrtc {
class ProbeBitrateEstimator {
public:
ProbeBitrateEstimator();
// Should be called for every probe packet we receive feedback about.
// Returns the estimated bitrate if the probe completes a valid cluster.
int HandleProbeAndEstimateBitrate(const PacketInfo& packet_info);
private:
struct AggregatedCluster {
int num_probes = 0;
int64_t first_send_ms = std::numeric_limits<int64_t>::max();
int64_t last_send_ms = 0;
int64_t first_receive_ms = std::numeric_limits<int64_t>::max();
int64_t last_receive_ms = 0;
size_t size = 0;
};
// Erases old cluster data that was seen before |timestamp_ms|.
void EraseOldClusters(int64_t timestamp_ms);
std::map<int, AggregatedCluster> clusters_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_PROBE_BITRATE_ESTIMATOR_H_