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/*
* Copyright (c) 2021 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 "logging/rtc_event_log/encoder/rtc_event_log_encoder_v3.h"
#include <string>
#include <vector>
#include "absl/types/optional.h"
#include "logging/rtc_event_log/encoder/rtc_event_log_encoder_common.h"
#include "logging/rtc_event_log/encoder/var_int.h"
#include "logging/rtc_event_log/events/rtc_event_alr_state.h"
#include "logging/rtc_event_log/events/rtc_event_audio_network_adaptation.h"
#include "logging/rtc_event_log/events/rtc_event_audio_playout.h"
#include "logging/rtc_event_log/events/rtc_event_audio_receive_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_audio_send_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_begin_log.h"
#include "logging/rtc_event_log/events/rtc_event_bwe_update_delay_based.h"
#include "logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h"
#include "logging/rtc_event_log/events/rtc_event_dtls_transport_state.h"
#include "logging/rtc_event_log/events/rtc_event_dtls_writable_state.h"
#include "logging/rtc_event_log/events/rtc_event_end_log.h"
#include "logging/rtc_event_log/events/rtc_event_frame_decoded.h"
#include "logging/rtc_event_log/events/rtc_event_generic_ack_received.h"
#include "logging/rtc_event_log/events/rtc_event_generic_packet_received.h"
#include "logging/rtc_event_log/events/rtc_event_generic_packet_sent.h"
#include "logging/rtc_event_log/events/rtc_event_ice_candidate_pair.h"
#include "logging/rtc_event_log/events/rtc_event_ice_candidate_pair_config.h"
#include "logging/rtc_event_log/events/rtc_event_probe_cluster_created.h"
#include "logging/rtc_event_log/events/rtc_event_probe_result_failure.h"
#include "logging/rtc_event_log/events/rtc_event_probe_result_success.h"
#include "logging/rtc_event_log/events/rtc_event_remote_estimate.h"
#include "logging/rtc_event_log/events/rtc_event_route_change.h"
#include "logging/rtc_event_log/events/rtc_event_rtcp_packet_incoming.h"
#include "logging/rtc_event_log/events/rtc_event_rtcp_packet_outgoing.h"
#include "logging/rtc_event_log/events/rtc_event_rtp_packet_incoming.h"
#include "logging/rtc_event_log/events/rtc_event_rtp_packet_outgoing.h"
#include "logging/rtc_event_log/events/rtc_event_video_receive_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_video_send_stream_config.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
namespace webrtc {
std::string RtcEventLogEncoderV3::EncodeLogStart(int64_t timestamp_us,
int64_t utc_time_us) {
std::unique_ptr<RtcEventBeginLog> begin_log =
std::make_unique<RtcEventBeginLog>(Timestamp::Micros(timestamp_us),
Timestamp::Micros(utc_time_us));
std::vector<const RtcEvent*> batch;
batch.push_back(begin_log.get());
std::string encoded_event = RtcEventBeginLog::Encode(batch);
return encoded_event;
}
std::string RtcEventLogEncoderV3::EncodeLogEnd(int64_t timestamp_us) {
std::unique_ptr<RtcEventEndLog> end_log =
std::make_unique<RtcEventEndLog>(Timestamp::Micros(timestamp_us));
std::vector<const RtcEvent*> batch;
batch.push_back(end_log.get());
std::string encoded_event = RtcEventEndLog::Encode(batch);
return encoded_event;
}
RtcEventLogEncoderV3::RtcEventLogEncoderV3() {
encoders_[RtcEvent::Type::AlrStateEvent] = RtcEventAlrState::Encode;
encoders_[RtcEvent::Type::AudioNetworkAdaptation] =
RtcEventAudioNetworkAdaptation::Encode;
encoders_[RtcEvent::Type::AudioPlayout] = RtcEventAudioPlayout::Encode;
encoders_[RtcEvent::Type::AudioReceiveStreamConfig] =
RtcEventAudioReceiveStreamConfig::Encode;
encoders_[RtcEvent::Type::AudioSendStreamConfig] =
RtcEventAudioSendStreamConfig::Encode;
encoders_[RtcEvent::Type::BweUpdateDelayBased] =
RtcEventBweUpdateDelayBased::Encode;
encoders_[RtcEvent::Type::BweUpdateLossBased] =
RtcEventBweUpdateLossBased::Encode;
encoders_[RtcEvent::Type::DtlsTransportState] =
RtcEventDtlsTransportState::Encode;
encoders_[RtcEvent::Type::DtlsWritableState] =
RtcEventDtlsWritableState::Encode;
encoders_[RtcEvent::Type::FrameDecoded] = RtcEventFrameDecoded::Encode;
encoders_[RtcEvent::Type::GenericAckReceived] =
RtcEventGenericAckReceived::Encode;
encoders_[RtcEvent::Type::GenericPacketReceived] =
RtcEventGenericPacketReceived::Encode;
encoders_[RtcEvent::Type::GenericPacketSent] =
RtcEventGenericPacketSent::Encode;
encoders_[RtcEvent::Type::IceCandidatePairConfig] =
RtcEventIceCandidatePairConfig::Encode;
encoders_[RtcEvent::Type::IceCandidatePairEvent] =
RtcEventIceCandidatePair::Encode;
encoders_[RtcEvent::Type::ProbeClusterCreated] =
RtcEventProbeClusterCreated::Encode;
encoders_[RtcEvent::Type::ProbeResultFailure] =
RtcEventProbeResultFailure::Encode;
encoders_[RtcEvent::Type::ProbeResultSuccess] =
RtcEventProbeResultSuccess::Encode;
encoders_[RtcEvent::Type::RemoteEstimateEvent] =
RtcEventRemoteEstimate::Encode;
encoders_[RtcEvent::Type::RouteChangeEvent] = RtcEventRouteChange::Encode;
encoders_[RtcEvent::Type::RtcpPacketIncoming] =
RtcEventRtcpPacketIncoming::Encode;
encoders_[RtcEvent::Type::RtcpPacketOutgoing] =
RtcEventRtcpPacketOutgoing::Encode;
encoders_[RtcEvent::Type::RtpPacketIncoming] =
RtcEventRtpPacketIncoming::Encode;
encoders_[RtcEvent::Type::RtpPacketOutgoing] =
RtcEventRtpPacketOutgoing::Encode;
encoders_[RtcEvent::Type::VideoReceiveStreamConfig] =
RtcEventVideoReceiveStreamConfig::Encode;
encoders_[RtcEvent::Type::VideoSendStreamConfig] =
RtcEventVideoSendStreamConfig::Encode;
}
std::string RtcEventLogEncoderV3::EncodeBatch(
std::deque<std::unique_ptr<RtcEvent>>::const_iterator begin,
std::deque<std::unique_ptr<RtcEvent>>::const_iterator end) {
struct EventGroupKey {
// Events are grouped by event type. For compression efficiency,
// events can optionally have a secondary key, in most cases the
// SSRC.
RtcEvent::Type type;
uint32_t secondary_group_key;
bool operator<(EventGroupKey other) const {
return type < other.type ||
(type == other.type &&
secondary_group_key < other.secondary_group_key);
}
};
std::map<EventGroupKey, std::vector<const RtcEvent*>> event_groups;
for (auto it = begin; it != end; ++it) {
event_groups[{(*it)->GetType(), (*it)->GetGroupKey()}].push_back(it->get());
}
std::string encoded_output;
for (auto& kv : event_groups) {
auto it = encoders_.find(kv.first.type);
RTC_DCHECK(it != encoders_.end());
if (it != encoders_.end()) {
auto& encoder = it->second;
// TODO(terelius): Use some "string builder" or preallocate?
encoded_output += encoder(kv.second);
}
}
return encoded_output;
}
} // namespace webrtc
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