112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2018 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 MODULES_RTP_RTCP_INCLUDE_RTCP_STATISTICS_H_
|
|
#define MODULES_RTP_RTCP_INCLUDE_RTCP_STATISTICS_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "absl/strings/string_view.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Statistics for an RTCP channel
|
|
struct RtcpStatistics {
|
|
uint8_t fraction_lost = 0;
|
|
int32_t packets_lost = 0; // Defined as a 24 bit signed integer in RTCP
|
|
uint32_t extended_highest_sequence_number = 0;
|
|
uint32_t jitter = 0;
|
|
};
|
|
|
|
class RtcpStatisticsCallback {
|
|
public:
|
|
virtual ~RtcpStatisticsCallback() {}
|
|
|
|
virtual void StatisticsUpdated(const RtcpStatistics& statistics,
|
|
uint32_t ssrc) = 0;
|
|
};
|
|
|
|
// Statistics for RTCP packet types.
|
|
struct RtcpPacketTypeCounter {
|
|
RtcpPacketTypeCounter()
|
|
: first_packet_time_ms(-1),
|
|
nack_packets(0),
|
|
fir_packets(0),
|
|
pli_packets(0),
|
|
nack_requests(0),
|
|
unique_nack_requests(0) {}
|
|
|
|
void Add(const RtcpPacketTypeCounter& other) {
|
|
nack_packets += other.nack_packets;
|
|
fir_packets += other.fir_packets;
|
|
pli_packets += other.pli_packets;
|
|
nack_requests += other.nack_requests;
|
|
unique_nack_requests += other.unique_nack_requests;
|
|
if (other.first_packet_time_ms != -1 &&
|
|
(other.first_packet_time_ms < first_packet_time_ms ||
|
|
first_packet_time_ms == -1)) {
|
|
// Use oldest time.
|
|
first_packet_time_ms = other.first_packet_time_ms;
|
|
}
|
|
}
|
|
|
|
void Subtract(const RtcpPacketTypeCounter& other) {
|
|
nack_packets -= other.nack_packets;
|
|
fir_packets -= other.fir_packets;
|
|
pli_packets -= other.pli_packets;
|
|
nack_requests -= other.nack_requests;
|
|
unique_nack_requests -= other.unique_nack_requests;
|
|
if (other.first_packet_time_ms != -1 &&
|
|
(other.first_packet_time_ms > first_packet_time_ms ||
|
|
first_packet_time_ms == -1)) {
|
|
// Use youngest time.
|
|
first_packet_time_ms = other.first_packet_time_ms;
|
|
}
|
|
}
|
|
|
|
int64_t TimeSinceFirstPacketInMs(int64_t now_ms) const {
|
|
return (first_packet_time_ms == -1) ? -1 : (now_ms - first_packet_time_ms);
|
|
}
|
|
|
|
int UniqueNackRequestsInPercent() const {
|
|
if (nack_requests == 0) {
|
|
return 0;
|
|
}
|
|
return static_cast<int>((unique_nack_requests * 100.0f / nack_requests) +
|
|
0.5f);
|
|
}
|
|
|
|
int64_t first_packet_time_ms; // Time when first packet is sent/received.
|
|
uint32_t nack_packets; // Number of RTCP NACK packets.
|
|
uint32_t fir_packets; // Number of RTCP FIR packets.
|
|
uint32_t pli_packets; // Number of RTCP PLI packets.
|
|
uint32_t nack_requests; // Number of NACKed RTP packets.
|
|
uint32_t unique_nack_requests; // Number of unique NACKed RTP packets.
|
|
};
|
|
|
|
class RtcpPacketTypeCounterObserver {
|
|
public:
|
|
virtual ~RtcpPacketTypeCounterObserver() {}
|
|
virtual void RtcpPacketTypesCounterUpdated(
|
|
uint32_t ssrc,
|
|
const RtcpPacketTypeCounter& packet_counter) = 0;
|
|
};
|
|
|
|
// Invoked for each cname passed in RTCP SDES blocks.
|
|
class RtcpCnameCallback {
|
|
public:
|
|
virtual ~RtcpCnameCallback() = default;
|
|
|
|
virtual void OnCname(uint32_t ssrc, absl::string_view cname) = 0;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
#endif // MODULES_RTP_RTCP_INCLUDE_RTCP_STATISTICS_H_
|