blob: 1666a1a584f00f68e6158e2eb507dce0329bbc5b [file] [log] [blame]
* 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.
#include <map>
#include <limits>
#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
namespace webrtc {
class RtcEventLog;
class ProbeBitrateEstimator {
explicit ProbeBitrateEstimator(RtcEventLog* event_log);
// 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 PacketFeedback& packet_feedback);
rtc::Optional<int> FetchAndResetLastEstimatedBitrateBps();
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;
int size_last_send = 0;
int size_first_receive = 0;
int size_total = 0;
// Erases old cluster data that was seen before |timestamp_ms|.
void EraseOldClusters(int64_t timestamp_ms);
std::map<int, AggregatedCluster> clusters_;
RtcEventLog* const event_log_;
rtc::Optional<int> estimated_bitrate_bps_;
} // namespace webrtc