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/*
* Copyright 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 API_STATS_RTCSTATS_OBJECTS_H_
#define API_STATS_RTCSTATS_OBJECTS_H_
#include <stdint.h>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "api/stats/rtc_stats.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// https://w3c.github.io/webrtc-stats/#certificatestats-dict*
class RTC_EXPORT RTCCertificateStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCCertificateStats(std::string id, Timestamp timestamp);
~RTCCertificateStats() override;
std::optional<std::string> fingerprint;
std::optional<std::string> fingerprint_algorithm;
std::optional<std::string> base64_certificate;
std::optional<std::string> issuer_certificate_id;
};
// https://w3c.github.io/webrtc-stats/#codec-dict*
class RTC_EXPORT RTCCodecStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCCodecStats(std::string id, Timestamp timestamp);
~RTCCodecStats() override;
std::optional<std::string> transport_id;
std::optional<uint32_t> payload_type;
std::optional<std::string> mime_type;
std::optional<uint32_t> clock_rate;
std::optional<uint32_t> channels;
std::optional<std::string> sdp_fmtp_line;
};
// https://w3c.github.io/webrtc-stats/#dcstats-dict*
class RTC_EXPORT RTCDataChannelStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCDataChannelStats(std::string id, Timestamp timestamp);
~RTCDataChannelStats() override;
std::optional<std::string> label;
std::optional<std::string> protocol;
std::optional<int32_t> data_channel_identifier;
std::optional<std::string> state;
std::optional<uint32_t> messages_sent;
std::optional<uint64_t> bytes_sent;
std::optional<uint32_t> messages_received;
std::optional<uint64_t> bytes_received;
};
// https://w3c.github.io/webrtc-stats/#candidatepair-dict*
class RTC_EXPORT RTCIceCandidatePairStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCIceCandidatePairStats(std::string id, Timestamp timestamp);
~RTCIceCandidatePairStats() override;
std::optional<std::string> transport_id;
std::optional<std::string> local_candidate_id;
std::optional<std::string> remote_candidate_id;
std::optional<std::string> state;
// Obsolete: priority
std::optional<uint64_t> priority;
std::optional<bool> nominated;
// `writable` does not exist in the spec and old comments suggest it used to
// exist but was incorrectly implemented.
// TODO(https://crbug.com/webrtc/14171): Standardize and/or modify
// implementation.
std::optional<bool> writable;
std::optional<uint64_t> packets_sent;
std::optional<uint64_t> packets_received;
std::optional<uint64_t> bytes_sent;
std::optional<uint64_t> bytes_received;
std::optional<double> total_round_trip_time;
std::optional<double> current_round_trip_time;
std::optional<double> available_outgoing_bitrate;
std::optional<double> available_incoming_bitrate;
std::optional<uint64_t> requests_received;
std::optional<uint64_t> requests_sent;
std::optional<uint64_t> responses_received;
std::optional<uint64_t> responses_sent;
std::optional<uint64_t> consent_requests_sent;
std::optional<uint64_t> packets_discarded_on_send;
std::optional<uint64_t> bytes_discarded_on_send;
std::optional<double> last_packet_received_timestamp;
std::optional<double> last_packet_sent_timestamp;
};
// https://w3c.github.io/webrtc-stats/#icecandidate-dict*
class RTC_EXPORT RTCIceCandidateStats : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
~RTCIceCandidateStats() override;
std::optional<std::string> transport_id;
// Obsolete: is_remote
std::optional<bool> is_remote;
std::optional<std::string> network_type;
std::optional<std::string> ip;
std::optional<std::string> address;
std::optional<int32_t> port;
std::optional<std::string> protocol;
std::optional<std::string> relay_protocol;
std::optional<std::string> candidate_type;
std::optional<int32_t> priority;
std::optional<std::string> url;
std::optional<std::string> foundation;
std::optional<std::string> related_address;
std::optional<int32_t> related_port;
std::optional<std::string> username_fragment;
std::optional<std::string> tcp_type;
// The following metrics are NOT exposed to JavaScript. We should consider
// standardizing or removing them.
std::optional<bool> vpn;
std::optional<std::string> network_adapter_type;
protected:
RTCIceCandidateStats(std::string id, Timestamp timestamp, bool is_remote);
};
// In the spec both local and remote varieties are of type RTCIceCandidateStats.
// But here we define them as subclasses of `RTCIceCandidateStats` because the
// `kType` need to be different ("RTCStatsType type") in the local/remote case.
// https://w3c.github.io/webrtc-stats/#rtcstatstype-str*
// This forces us to have to override copy() and type().
class RTC_EXPORT RTCLocalIceCandidateStats final : public RTCIceCandidateStats {
public:
static const char kType[];
RTCLocalIceCandidateStats(std::string id, Timestamp timestamp);
std::unique_ptr<RTCStats> copy() const override;
const char* type() const override;
};
class RTC_EXPORT RTCRemoteIceCandidateStats final
: public RTCIceCandidateStats {
public:
static const char kType[];
RTCRemoteIceCandidateStats(std::string id, Timestamp timestamp);
std::unique_ptr<RTCStats> copy() const override;
const char* type() const override;
};
// https://w3c.github.io/webrtc-stats/#pcstats-dict*
class RTC_EXPORT RTCPeerConnectionStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCPeerConnectionStats(std::string id, Timestamp timestamp);
~RTCPeerConnectionStats() override;
std::optional<uint32_t> data_channels_opened;
std::optional<uint32_t> data_channels_closed;
};
// https://w3c.github.io/webrtc-stats/#streamstats-dict*
class RTC_EXPORT RTCRtpStreamStats : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
~RTCRtpStreamStats() override;
std::optional<uint32_t> ssrc;
std::optional<std::string> kind;
std::optional<std::string> transport_id;
std::optional<std::string> codec_id;
protected:
RTCRtpStreamStats(std::string id, Timestamp timestamp);
};
// https://www.w3.org/TR/webrtc-stats/#receivedrtpstats-dict*
class RTC_EXPORT RTCReceivedRtpStreamStats : public RTCRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
~RTCReceivedRtpStreamStats() override;
std::optional<double> jitter;
std::optional<int32_t> packets_lost; // Signed per RFC 3550
protected:
RTCReceivedRtpStreamStats(std::string id, Timestamp timestamp);
};
// https://www.w3.org/TR/webrtc-stats/#sentrtpstats-dict*
class RTC_EXPORT RTCSentRtpStreamStats : public RTCRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
~RTCSentRtpStreamStats() override;
std::optional<uint64_t> packets_sent;
std::optional<uint64_t> bytes_sent;
protected:
RTCSentRtpStreamStats(std::string id, Timestamp timestamp);
};
// https://w3c.github.io/webrtc-stats/#inboundrtpstats-dict*
class RTC_EXPORT RTCInboundRtpStreamStats final
: public RTCReceivedRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCInboundRtpStreamStats(std::string id, Timestamp timestamp);
~RTCInboundRtpStreamStats() override;
std::optional<std::string> playout_id;
std::optional<std::string> track_identifier;
std::optional<std::string> mid;
std::optional<std::string> remote_id;
std::optional<uint32_t> packets_received;
std::optional<uint64_t> packets_discarded;
std::optional<uint64_t> fec_packets_received;
std::optional<uint64_t> fec_bytes_received;
std::optional<uint64_t> fec_packets_discarded;
// Inbound FEC SSRC. Only present if a mechanism like FlexFEC is negotiated.
std::optional<uint32_t> fec_ssrc;
std::optional<uint64_t> bytes_received;
std::optional<uint64_t> header_bytes_received;
// Inbound RTX stats. Only defined when RTX is used and it is therefore
// possible to distinguish retransmissions.
std::optional<uint64_t> retransmitted_packets_received;
std::optional<uint64_t> retransmitted_bytes_received;
std::optional<uint32_t> rtx_ssrc;
std::optional<double> last_packet_received_timestamp;
std::optional<double> jitter_buffer_delay;
std::optional<double> jitter_buffer_target_delay;
std::optional<double> jitter_buffer_minimum_delay;
std::optional<uint64_t> jitter_buffer_emitted_count;
std::optional<uint64_t> total_samples_received;
std::optional<uint64_t> concealed_samples;
std::optional<uint64_t> silent_concealed_samples;
std::optional<uint64_t> concealment_events;
std::optional<uint64_t> inserted_samples_for_deceleration;
std::optional<uint64_t> removed_samples_for_acceleration;
std::optional<double> audio_level;
std::optional<double> total_audio_energy;
std::optional<double> total_samples_duration;
// Stats below are only implemented or defined for video.
std::optional<uint32_t> frames_received;
std::optional<uint32_t> frame_width;
std::optional<uint32_t> frame_height;
std::optional<double> frames_per_second;
std::optional<uint32_t> frames_decoded;
std::optional<uint32_t> key_frames_decoded;
std::optional<uint32_t> frames_dropped;
std::optional<double> total_decode_time;
std::optional<double> total_processing_delay;
std::optional<double> total_assembly_time;
std::optional<uint32_t> frames_assembled_from_multiple_packets;
// TODO(https://crbug.com/webrtc/15600): Implement framesRendered, which is
// incremented at the same time that totalInterFrameDelay and
// totalSquaredInterFrameDelay is incremented. (Dividing inter-frame delay by
// framesDecoded is slightly wrong.)
// https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-framesrendered
//
// TODO(https://crbug.com/webrtc/15601): Inter-frame, pause and freeze metrics
// all related to when the frame is rendered, but our implementation measures
// at delivery to sink, not at actual render time. When we have an actual
// frame rendered callback, move the calculating of these metrics to there in
// order to make them more accurate.
std::optional<double> total_inter_frame_delay;
std::optional<double> total_squared_inter_frame_delay;
std::optional<uint32_t> pause_count;
std::optional<double> total_pauses_duration;
std::optional<uint32_t> freeze_count;
std::optional<double> total_freezes_duration;
// https://w3c.github.io/webrtc-provisional-stats/#dom-rtcinboundrtpstreamstats-contenttype
std::optional<std::string> content_type;
// Only populated if audio/video sync is enabled.
// TODO(https://crbug.com/webrtc/14177): Expose even if A/V sync is off?
std::optional<double> estimated_playout_timestamp;
// Only defined for video.
// In JavaScript, this is only exposed if HW exposure is allowed.
std::optional<std::string> decoder_implementation;
// FIR and PLI counts are only defined for |kind == "video"|.
std::optional<uint32_t> fir_count;
std::optional<uint32_t> pli_count;
std::optional<uint32_t> nack_count;
std::optional<uint64_t> qp_sum;
// This is a remnant of the legacy getStats() API. When the "video-timing"
// header extension is used,
// https://webrtc.github.io/webrtc-org/experiments/rtp-hdrext/video-timing/,
// `googTimingFrameInfo` is exposed with the value of
// TimingFrameInfo::ToString().
// TODO(https://crbug.com/webrtc/14586): Unship or standardize this metric.
std::optional<std::string> goog_timing_frame_info;
// In JavaScript, this is only exposed if HW exposure is allowed.
std::optional<bool> power_efficient_decoder;
// The following metrics are NOT exposed to JavaScript. We should consider
// standardizing or removing them.
std::optional<uint64_t> jitter_buffer_flushes;
std::optional<uint64_t> delayed_packet_outage_samples;
std::optional<double> relative_packet_arrival_delay;
std::optional<uint32_t> interruption_count;
std::optional<double> total_interruption_duration;
std::optional<double> min_playout_delay;
};
// https://w3c.github.io/webrtc-stats/#outboundrtpstats-dict*
class RTC_EXPORT RTCOutboundRtpStreamStats final
: public RTCSentRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCOutboundRtpStreamStats(std::string id, Timestamp timestamp);
~RTCOutboundRtpStreamStats() override;
std::optional<std::string> media_source_id;
std::optional<std::string> remote_id;
std::optional<std::string> mid;
std::optional<std::string> rid;
std::optional<uint64_t> retransmitted_packets_sent;
std::optional<uint64_t> header_bytes_sent;
std::optional<uint64_t> retransmitted_bytes_sent;
std::optional<double> target_bitrate;
std::optional<uint32_t> frames_encoded;
std::optional<uint32_t> key_frames_encoded;
std::optional<double> total_encode_time;
std::optional<uint64_t> total_encoded_bytes_target;
std::optional<uint32_t> frame_width;
std::optional<uint32_t> frame_height;
std::optional<double> frames_per_second;
std::optional<uint32_t> frames_sent;
std::optional<uint32_t> huge_frames_sent;
std::optional<double> total_packet_send_delay;
std::optional<std::string> quality_limitation_reason;
std::optional<std::map<std::string, double>> quality_limitation_durations;
// https://w3c.github.io/webrtc-stats/#dom-rtcoutboundrtpstreamstats-qualitylimitationresolutionchanges
std::optional<uint32_t> quality_limitation_resolution_changes;
// https://w3c.github.io/webrtc-provisional-stats/#dom-rtcoutboundrtpstreamstats-contenttype
std::optional<std::string> content_type;
// In JavaScript, this is only exposed if HW exposure is allowed.
// Only implemented for video.
// TODO(https://crbug.com/webrtc/14178): Implement for audio as well.
std::optional<std::string> encoder_implementation;
// FIR and PLI counts are only defined for |kind == "video"|.
std::optional<uint32_t> fir_count;
std::optional<uint32_t> pli_count;
std::optional<uint32_t> nack_count;
std::optional<uint64_t> qp_sum;
std::optional<bool> active;
// In JavaScript, this is only exposed if HW exposure is allowed.
std::optional<bool> power_efficient_encoder;
std::optional<std::string> scalability_mode;
// RTX ssrc. Only present if RTX is negotiated.
std::optional<uint32_t> rtx_ssrc;
};
// https://w3c.github.io/webrtc-stats/#remoteinboundrtpstats-dict*
class RTC_EXPORT RTCRemoteInboundRtpStreamStats final
: public RTCReceivedRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCRemoteInboundRtpStreamStats(std::string id, Timestamp timestamp);
~RTCRemoteInboundRtpStreamStats() override;
std::optional<std::string> local_id;
std::optional<double> round_trip_time;
std::optional<double> fraction_lost;
std::optional<double> total_round_trip_time;
std::optional<int32_t> round_trip_time_measurements;
};
// https://w3c.github.io/webrtc-stats/#remoteoutboundrtpstats-dict*
class RTC_EXPORT RTCRemoteOutboundRtpStreamStats final
: public RTCSentRtpStreamStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCRemoteOutboundRtpStreamStats(std::string id, Timestamp timestamp);
~RTCRemoteOutboundRtpStreamStats() override;
std::optional<std::string> local_id;
std::optional<double> remote_timestamp;
std::optional<uint64_t> reports_sent;
std::optional<double> round_trip_time;
std::optional<uint64_t> round_trip_time_measurements;
std::optional<double> total_round_trip_time;
};
// https://w3c.github.io/webrtc-stats/#dom-rtcmediasourcestats
class RTC_EXPORT RTCMediaSourceStats : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
~RTCMediaSourceStats() override;
std::optional<std::string> track_identifier;
std::optional<std::string> kind;
protected:
RTCMediaSourceStats(std::string id, Timestamp timestamp);
};
// https://w3c.github.io/webrtc-stats/#dom-rtcaudiosourcestats
class RTC_EXPORT RTCAudioSourceStats final : public RTCMediaSourceStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCAudioSourceStats(std::string id, Timestamp timestamp);
~RTCAudioSourceStats() override;
std::optional<double> audio_level;
std::optional<double> total_audio_energy;
std::optional<double> total_samples_duration;
std::optional<double> echo_return_loss;
std::optional<double> echo_return_loss_enhancement;
};
// https://w3c.github.io/webrtc-stats/#dom-rtcvideosourcestats
class RTC_EXPORT RTCVideoSourceStats final : public RTCMediaSourceStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCVideoSourceStats(std::string id, Timestamp timestamp);
~RTCVideoSourceStats() override;
std::optional<uint32_t> width;
std::optional<uint32_t> height;
std::optional<uint32_t> frames;
std::optional<double> frames_per_second;
};
// https://w3c.github.io/webrtc-stats/#transportstats-dict*
class RTC_EXPORT RTCTransportStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCTransportStats(std::string id, Timestamp timestamp);
~RTCTransportStats() override;
std::optional<uint64_t> bytes_sent;
std::optional<uint64_t> packets_sent;
std::optional<uint64_t> bytes_received;
std::optional<uint64_t> packets_received;
std::optional<std::string> rtcp_transport_stats_id;
std::optional<std::string> dtls_state;
std::optional<std::string> selected_candidate_pair_id;
std::optional<std::string> local_certificate_id;
std::optional<std::string> remote_certificate_id;
std::optional<std::string> tls_version;
std::optional<std::string> dtls_cipher;
std::optional<std::string> dtls_role;
std::optional<std::string> srtp_cipher;
std::optional<uint32_t> selected_candidate_pair_changes;
std::optional<std::string> ice_role;
std::optional<std::string> ice_local_username_fragment;
std::optional<std::string> ice_state;
};
// https://w3c.github.io/webrtc-stats/#playoutstats-dict*
class RTC_EXPORT RTCAudioPlayoutStats final : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCAudioPlayoutStats(const std::string& id, Timestamp timestamp);
~RTCAudioPlayoutStats() override;
std::optional<std::string> kind;
std::optional<double> synthesized_samples_duration;
std::optional<uint64_t> synthesized_samples_events;
std::optional<double> total_samples_duration;
std::optional<double> total_playout_delay;
std::optional<uint64_t> total_samples_count;
};
} // namespace webrtc
#endif // API_STATS_RTCSTATS_OBJECTS_H_