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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 "test/pc/e2e/analyzer/video/default_video_quality_analyzer_shared_objects.h"
#include <algorithm>
#include <iterator>
#include <ostream>
#include <string>
#include "api/units/timestamp.h"
#include "rtc_base/checks.h"
#include "rtc_base/strings/string_builder.h"
namespace webrtc {
namespace {
constexpr int kMicrosPerSecond = 1000000;
} // namespace
std::string StreamCodecInfo::ToString() const {
rtc::StringBuilder out;
out << "{codec_name=" << codec_name << "; first_frame_id=" << first_frame_id
<< "; last_frame_id=" << last_frame_id
<< "; switched_on_at=" << webrtc::ToString(switched_on_at)
<< "; switched_from_at=" << webrtc::ToString(switched_from_at) << " }";
return out.str();
}
std::ostream& operator<<(std::ostream& os, const StreamCodecInfo& state) {
return os << state.ToString();
}
rtc::StringBuilder& operator<<(rtc::StringBuilder& sb,
const StreamCodecInfo& state) {
return sb << state.ToString();
}
bool operator==(const StreamCodecInfo& a, const StreamCodecInfo& b) {
return a.codec_name == b.codec_name && a.first_frame_id == b.first_frame_id &&
a.last_frame_id == b.last_frame_id &&
a.switched_on_at == b.switched_on_at &&
a.switched_from_at == b.switched_from_at;
}
std::string ToString(FrameDropPhase phase) {
switch (phase) {
case FrameDropPhase::kBeforeEncoder:
return "kBeforeEncoder";
case FrameDropPhase::kByEncoder:
return "kByEncoder";
case FrameDropPhase::kTransport:
return "kTransport";
case FrameDropPhase::kByDecoder:
return "kByDecoder";
case FrameDropPhase::kAfterDecoder:
return "kAfterDecoder";
case FrameDropPhase::kLastValue:
return "kLastValue";
}
}
std::ostream& operator<<(std::ostream& os, FrameDropPhase phase) {
return os << ToString(phase);
}
rtc::StringBuilder& operator<<(rtc::StringBuilder& sb, FrameDropPhase phase) {
return sb << ToString(phase);
}
void SamplesRateCounter::AddEvent(Timestamp event_time) {
if (event_first_time_.IsMinusInfinity()) {
event_first_time_ = event_time;
}
event_last_time_ = event_time;
events_count_++;
}
double SamplesRateCounter::GetEventsPerSecond() const {
RTC_DCHECK(!IsEmpty());
// Divide on us and multiply on kMicrosPerSecond to correctly process cases
// where there were too small amount of events, so difference is less then 1
// sec. We can use us here, because Timestamp has us resolution.
return static_cast<double>(events_count_) /
(event_last_time_ - event_first_time_).us() * kMicrosPerSecond;
}
StreamStats::StreamStats(Timestamp stream_started_time)
: stream_started_time(stream_started_time) {
for (int i = static_cast<int>(FrameDropPhase::kBeforeEncoder);
i < static_cast<int>(FrameDropPhase::kLastValue); ++i) {
dropped_by_phase.emplace(static_cast<FrameDropPhase>(i), 0);
}
}
std::string StatsKey::ToString() const {
rtc::StringBuilder out;
out << stream_label << "_" << receiver;
return out.str();
}
bool operator<(const StatsKey& a, const StatsKey& b) {
if (a.stream_label != b.stream_label) {
return a.stream_label < b.stream_label;
}
return a.receiver < b.receiver;
}
bool operator==(const StatsKey& a, const StatsKey& b) {
return a.stream_label == b.stream_label && a.receiver == b.receiver;
}
VideoStreamsInfo::VideoStreamsInfo(
std::map<std::string, std::string> stream_to_sender,
std::map<std::string, std::set<std::string>> sender_to_streams,
std::map<std::string, std::set<std::string>> stream_to_receivers)
: stream_to_sender_(std::move(stream_to_sender)),
sender_to_streams_(std::move(sender_to_streams)),
stream_to_receivers_(std::move(stream_to_receivers)) {}
std::set<StatsKey> VideoStreamsInfo::GetStatsKeys() const {
std::set<StatsKey> out;
for (const std::string& stream_label : GetStreams()) {
for (const std::string& receiver : GetReceivers(stream_label)) {
out.insert(StatsKey(stream_label, receiver));
}
}
return out;
}
std::set<std::string> VideoStreamsInfo::GetStreams() const {
std::set<std::string> out;
std::transform(stream_to_sender_.begin(), stream_to_sender_.end(),
std::inserter(out, out.end()),
[](auto map_entry) { return map_entry.first; });
return out;
}
std::set<std::string> VideoStreamsInfo::GetStreams(
absl::string_view sender_name) const {
auto it = sender_to_streams_.find(std::string(sender_name));
if (it == sender_to_streams_.end()) {
return {};
}
return it->second;
}
absl::optional<std::string> VideoStreamsInfo::GetSender(
absl::string_view stream_label) const {
auto it = stream_to_sender_.find(std::string(stream_label));
if (it == stream_to_sender_.end()) {
return absl::nullopt;
}
return it->second;
}
std::set<std::string> VideoStreamsInfo::GetReceivers(
absl::string_view stream_label) const {
auto it = stream_to_receivers_.find(std::string(stream_label));
if (it == stream_to_receivers_.end()) {
return {};
}
return it->second;
}
} // namespace webrtc
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