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Adds optional video quality metrics to scenario tests.

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Bug: webrtc:9510
Change-Id: I448e7156cc8f56930f58c4d25bd167df83a2ba85
Reviewed-on: https://webrtc-review.googlesource.com/c/114885
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26065}
This commit is contained in:
Sebastian Jansson
2018-12-19 13:14:41 +01:00
committed by Commit Bot
parent 54fa02486a
commit 9a4f38ec5c
11 changed files with 469 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
test/scenario/BUILD.gn
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@ -16,12 +16,16 @@ if (rtc_include_tests) {
"audio_stream.h",
"call_client.cc",
"call_client.h",
"call_client.h",
"column_printer.cc",
"column_printer.h",
"hardware_codecs.cc",
"hardware_codecs.h",
"network_node.cc",
"network_node.h",
"quality_info.h",
"quality_stats.cc",
"quality_stats.h",
"scenario.cc",
"scenario.h",
"scenario_config.cc",
@ -90,6 +94,7 @@ if (rtc_include_tests) {
"../../system_wrappers",
"../../system_wrappers:field_trial",
"../../video",
"//third_party/abseil-cpp/absl/memory",
"//third_party/abseil-cpp/absl/types:optional",
]
if (is_android) {
@ -125,4 +130,25 @@ if (rtc_include_tests) {
"//third_party/abseil-cpp/absl/memory",
]
}
rtc_source_set("scenario_slow_tests") {
testonly = true
sources = [
"quality_stats_unittest.cc",
]
if (!build_with_chromium && is_clang) {
suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
}
deps = [
":scenario",
"../../logging:mocks",
"../../rtc_base:checks",
"../../rtc_base:rtc_base_approved",
"../../system_wrappers",
"../../system_wrappers:field_trial",
"../../test:field_trial",
"../../test:test_support",
"//testing/gmock",
"//third_party/abseil-cpp/absl/memory",
]
}
}

5
test/scenario/call_client.cc
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@ -134,17 +134,18 @@ TimeDelta LoggingNetworkControllerFactory::GetProcessInterval() const {
}
CallClient::CallClient(Clock* clock,
std::string name,
std::string log_filename,
CallClientConfig config)
: clock_(clock),
name_(name),
network_controller_factory_(log_filename, config.transport),
fake_audio_setup_(InitAudio()),
call_(CreateCall(config,
&network_controller_factory_,
fake_audio_setup_.audio_state)),
transport_(clock_, call_.get()),
header_parser_(RtpHeaderParser::Create()) {
} // namespace test
header_parser_(RtpHeaderParser::Create()) {}
CallClient::~CallClient() {
delete header_parser_;

6
test/scenario/call_client.h
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@ -58,7 +58,10 @@ struct CallClientFakeAudio {
// stream session.
class CallClient : public NetworkReceiverInterface {
public:
CallClient(Clock* clock, std::string log_filename, CallClientConfig config);
CallClient(Clock* clock,
std::string name,
std::string log_filename,
CallClientConfig config);
RTC_DISALLOW_COPY_AND_ASSIGN(CallClient);
~CallClient();
@ -89,6 +92,7 @@ class CallClient : public NetworkReceiverInterface {
void AddExtensions(std::vector<RtpExtension> extensions);
Clock* clock_;
const std::string name_;
LoggingNetworkControllerFactory network_controller_factory_;
CallClientFakeAudio fake_audio_setup_;
std::unique_ptr<Call> call_;

27
test/scenario/quality_info.h Normal file
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@ -0,0 +1,27 @@
/*
* Copyright 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 TEST_SCENARIO_QUALITY_INFO_H_
#define TEST_SCENARIO_QUALITY_INFO_H_
#include "api/units/timestamp.h"
namespace webrtc {
namespace test {
struct VideoFrameQualityInfo {
Timestamp capture_time;
Timestamp received_capture_time;
Timestamp render_time;
int width;
int height;
double psnr;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_QUALITY_INFO_H_

183
test/scenario/quality_stats.cc Normal file
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@ -0,0 +1,183 @@
/*
* Copyright 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.
*/
#include "test/scenario/quality_stats.h"
#include <utility>
#include "common_video/libyuv/include/webrtc_libyuv.h"
#include "rtc_base/checks.h"
#include "rtc_base/event.h"
namespace webrtc {
namespace test {
VideoQualityAnalyzer::VideoQualityAnalyzer(
std::string filename_or_empty,
std::function<void(const VideoFrameQualityInfo&)> frame_info_handler)
: task_queue_("VideoAnalyzer") {
if (!filename_or_empty.empty()) {
output_file_ = fopen(filename_or_empty.c_str(), "w");
RTC_CHECK(output_file_);
PrintHeaders();
frame_info_handlers_.push_back(
[this](const VideoFrameQualityInfo& info) { PrintFrameInfo(info); });
}
if (frame_info_handler)
frame_info_handlers_.push_back(frame_info_handler);
}
VideoQualityAnalyzer::~VideoQualityAnalyzer() {
rtc::Event event;
task_queue_.PostTask([&event] { event.Set(); });
event.Wait(rtc::Event::kForever);
if (output_file_)
fclose(output_file_);
}
void VideoQualityAnalyzer::OnCapturedFrame(const VideoFrame& frame) {
VideoFrame copy = frame;
task_queue_.PostTask([this, copy] {
if (!first_capture_ntp_time_ms_)
first_capture_ntp_time_ms_ = copy.ntp_time_ms();
captured_frames_.push_back(std::move(copy));
});
}
void VideoQualityAnalyzer::OnDecodedFrame(const VideoFrame& frame) {
VideoFrame decoded = frame;
RTC_CHECK(frame.ntp_time_ms());
RTC_CHECK(frame.timestamp());
task_queue_.PostTask([this, decoded] {
// If first frame never is received, this value will be wrong. However, that
// is something that is very unlikely to happen.
if (!first_decode_rtp_timestamp_)
first_decode_rtp_timestamp_ = decoded.timestamp();
RTC_CHECK(!captured_frames_.empty());
int64_t decoded_capture_time_ms = DecodedFrameCaptureTimeOffsetMs(decoded);
while (CapturedFrameCaptureTimeOffsetMs(captured_frames_.front()) <
decoded_capture_time_ms) {
VideoFrame lost = std::move(captured_frames_.front());
captured_frames_.pop_front();
VideoFrameQualityInfo lost_info =
VideoFrameQualityInfo{Timestamp::us(lost.timestamp_us()),
Timestamp::PlusInfinity(),
Timestamp::PlusInfinity(),
lost.width(),
lost.height(),
NAN};
for (auto& handler : frame_info_handlers_)
handler(lost_info);
RTC_CHECK(!captured_frames_.empty());
}
RTC_CHECK(!captured_frames_.empty());
RTC_CHECK(CapturedFrameCaptureTimeOffsetMs(captured_frames_.front()) ==
DecodedFrameCaptureTimeOffsetMs(decoded));
VideoFrame captured = std::move(captured_frames_.front());
captured_frames_.pop_front();
VideoFrameQualityInfo decoded_info =
VideoFrameQualityInfo{Timestamp::us(captured.timestamp_us()),
Timestamp::ms(decoded.timestamp() / 90.0),
Timestamp::ms(decoded.render_time_ms()),
decoded.width(),
decoded.height(),
I420PSNR(&captured, &decoded)};
for (auto& handler : frame_info_handlers_)
handler(decoded_info);
});
}
bool VideoQualityAnalyzer::Active() const {
return !frame_info_handlers_.empty();
}
int64_t VideoQualityAnalyzer::DecodedFrameCaptureTimeOffsetMs(
const VideoFrame& decoded) const {
// Assumes that the underlying resolution is ms.
// Note that we intentinally allow wraparound. The code is incorrect for
// durations of more than UINT32_MAX/90 ms.
RTC_DCHECK(first_decode_rtp_timestamp_);
return (decoded.timestamp() - *first_decode_rtp_timestamp_) / 90;
}
int64_t VideoQualityAnalyzer::CapturedFrameCaptureTimeOffsetMs(
const VideoFrame& captured) const {
RTC_DCHECK(first_capture_ntp_time_ms_);
return captured.ntp_time_ms() - *first_capture_ntp_time_ms_;
}
void VideoQualityAnalyzer::PrintHeaders() {
fprintf(output_file_, "capt recv_capt render width height psnr\n");
}
void VideoQualityAnalyzer::PrintFrameInfo(const VideoFrameQualityInfo& sample) {
fprintf(output_file_, "%.3f %.3f %.3f %i %i %.3f\n",
sample.capture_time.seconds<double>(),
sample.received_capture_time.seconds<double>(),
sample.render_time.seconds<double>(), sample.width, sample.height,
sample.psnr);
}
void VideoQualityStats::HandleFrameInfo(VideoFrameQualityInfo sample) {
total++;
if (sample.render_time.IsInfinite()) {
++lost;
} else {
++valid;
end_to_end_seconds.AddSample(
(sample.render_time - sample.capture_time).seconds<double>());
psnr.AddSample(sample.psnr);
}
}
ForwardingCapturedFrameTap::ForwardingCapturedFrameTap(
const Clock* clock,
VideoQualityAnalyzer* analyzer,
rtc::VideoSourceInterface<VideoFrame>* source)
: clock_(clock), analyzer_(analyzer), source_(source) {}
ForwardingCapturedFrameTap::~ForwardingCapturedFrameTap() {}
void ForwardingCapturedFrameTap::OnFrame(const VideoFrame& frame) {
RTC_CHECK(sink_);
VideoFrame copy = frame;
if (frame.ntp_time_ms() == 0)
copy.set_ntp_time_ms(clock_->CurrentNtpInMilliseconds());
copy.set_timestamp(copy.ntp_time_ms() * 90);
analyzer_->OnCapturedFrame(copy);
sink_->OnFrame(copy);
}
void ForwardingCapturedFrameTap::OnDiscardedFrame() {
RTC_CHECK(sink_);
discarded_count_++;
sink_->OnDiscardedFrame();
}
void ForwardingCapturedFrameTap::AddOrUpdateSink(
VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) {
sink_ = sink;
source_->AddOrUpdateSink(this, wants);
}
void ForwardingCapturedFrameTap::RemoveSink(
VideoSinkInterface<VideoFrame>* sink) {
source_->RemoveSink(this);
sink_ = nullptr;
}
DecodedFrameTap::DecodedFrameTap(VideoQualityAnalyzer* analyzer)
: analyzer_(analyzer) {}
void DecodedFrameTap::OnFrame(const VideoFrame& frame) {
analyzer_->OnDecodedFrame(frame);
}
} // namespace test
} // namespace webrtc

110
test/scenario/quality_stats.h Normal file
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@ -0,0 +1,110 @@
/*
* Copyright 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 TEST_SCENARIO_QUALITY_STATS_H_
#define TEST_SCENARIO_QUALITY_STATS_H_
#include <deque>
#include <string>
#include <vector>
#include "absl/types/optional.h"
#include "api/units/timestamp.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "rtc_base/task_queue.h"
#include "rtc_base/timeutils.h"
#include "system_wrappers/include/clock.h"
#include "test/scenario/quality_info.h"
#include "test/scenario/scenario_config.h"
#include "test/statistics.h"
namespace webrtc {
namespace test {
class VideoQualityAnalyzer {
public:
VideoQualityAnalyzer(
std::string filename_or_empty,
std::function<void(const VideoFrameQualityInfo&)> frame_info_handler);
~VideoQualityAnalyzer();
void OnCapturedFrame(const VideoFrame& frame);
void OnDecodedFrame(const VideoFrame& frame);
void Synchronize();
bool Active() const;
const Clock* clock();
private:
int64_t DecodedFrameCaptureTimeOffsetMs(const VideoFrame& decoded) const;
int64_t CapturedFrameCaptureTimeOffsetMs(const VideoFrame& captured) const;
void PrintHeaders();
void PrintFrameInfo(const VideoFrameQualityInfo& sample);
std::vector<std::function<void(const VideoFrameQualityInfo&)>>
frame_info_handlers_;
std::deque<VideoFrame> captured_frames_;
absl::optional<int64_t> first_capture_ntp_time_ms_;
absl::optional<uint32_t> first_decode_rtp_timestamp_;
FILE* output_file_ = nullptr;
rtc::TaskQueue task_queue_;
};
struct VideoQualityStats {
int total = 0;
int valid = 0;
int lost = 0;
Statistics end_to_end_seconds;
Statistics frame_size;
Statistics psnr;
Statistics ssim;
void HandleFrameInfo(VideoFrameQualityInfo sample);
};
class ForwardingCapturedFrameTap
: public rtc::VideoSinkInterface<VideoFrame>,
public rtc::VideoSourceInterface<VideoFrame> {
public:
ForwardingCapturedFrameTap(const Clock* clock,
VideoQualityAnalyzer* analyzer,
rtc::VideoSourceInterface<VideoFrame>* source);
ForwardingCapturedFrameTap(ForwardingCapturedFrameTap&) = delete;
ForwardingCapturedFrameTap& operator=(ForwardingCapturedFrameTap&) = delete;
~ForwardingCapturedFrameTap();
// VideoSinkInterface interface
void OnFrame(const VideoFrame& frame) override;
void OnDiscardedFrame() override;
// VideoSourceInterface interface
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
VideoFrame PopFrame();
private:
const Clock* clock_;
VideoQualityAnalyzer* const analyzer_;
rtc::VideoSourceInterface<VideoFrame>* const source_;
VideoSinkInterface<VideoFrame>* sink_;
int discarded_count_ = 0;
};
class DecodedFrameTap : public rtc::VideoSinkInterface<VideoFrame> {
public:
explicit DecodedFrameTap(VideoQualityAnalyzer* analyzer);
// VideoSinkInterface interface
void OnFrame(const VideoFrame& frame) override;
private:
VideoQualityAnalyzer* const analyzer_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_QUALITY_STATS_H_

62
test/scenario/quality_stats_unittest.cc Normal file
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@ -0,0 +1,62 @@
/*
* Copyright 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.
*/
#include "test/gtest.h"
#include "test/scenario/scenario.h"
namespace webrtc {
namespace test {
namespace {
VideoStreamConfig AnalyzerVideoConfig(VideoQualityStats* stats) {
VideoStreamConfig config;
config.encoder.codec = VideoStreamConfig::Encoder::Codec::kVideoCodecVP8;
config.encoder.implementation =
VideoStreamConfig::Encoder::Implementation::kSoftware;
config.analyzer.frame_quality_handler = [stats](VideoFrameQualityInfo info) {
stats->HandleFrameInfo(info);
};
return config;
}
} // namespace
TEST(ScenarioAnalyzerTest, PsnrIsHighWhenNetworkIsGood) {
VideoQualityStats stats;
{
Scenario s;
NetworkNodeConfig good_network;
good_network.simulation.bandwidth = DataRate::kbps(1000);
auto route = s.CreateRoutes(s.CreateClient("caller", CallClientConfig()),
{s.CreateSimulationNode(good_network)},
s.CreateClient("callee", CallClientConfig()),
{s.CreateSimulationNode(NetworkNodeConfig())});
s.CreateVideoStream(route->forward(), AnalyzerVideoConfig(&stats));
s.RunFor(TimeDelta::seconds(1));
}
EXPECT_GT(stats.psnr.Mean(), 46);
}
TEST(ScenarioAnalyzerTest, PsnrIsLowWhenNetworkIsBad) {
VideoQualityStats stats;
{
Scenario s;
NetworkNodeConfig bad_network;
bad_network.simulation.bandwidth = DataRate::kbps(100);
bad_network.simulation.loss_rate = 0.02;
auto route = s.CreateRoutes(s.CreateClient("caller", CallClientConfig()),
{s.CreateSimulationNode(bad_network)},
s.CreateClient("callee", CallClientConfig()),
{s.CreateSimulationNode(NetworkNodeConfig())});
s.CreateVideoStream(route->forward(), AnalyzerVideoConfig(&stats));
s.RunFor(TimeDelta::seconds(2));
}
EXPECT_LT(stats.psnr.Mean(), 40);
}
} // namespace test
} // namespace webrtc

11
test/scenario/scenario.cc
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@ -107,7 +107,8 @@ StatesPrinter* Scenario::CreatePrinter(std::string name,
CallClient* Scenario::CreateClient(std::string name, CallClientConfig config) {
RTC_DCHECK(real_time_mode_);
CallClient* client = new CallClient(clock_, GetFullPathOrEmpty(name), config);
CallClient* client =
new CallClient(clock_, name, GetFullPathOrEmpty(name), config);
if (config.transport.state_log_interval.IsFinite()) {
Every(config.transport.state_log_interval, [this, client]() {
client->network_controller_factory_.LogCongestionControllerStats(Now());
@ -266,8 +267,12 @@ VideoStreamPair* Scenario::CreateVideoStream(
VideoStreamPair* Scenario::CreateVideoStream(
std::pair<CallClient*, CallClient*> clients,
VideoStreamConfig config) {
video_streams_.emplace_back(
new VideoStreamPair(clients.first, clients.second, config));
std::string quality_log_file_name;
if (config.analyzer.log_to_file)
quality_log_file_name =
GetFullPathOrEmpty(clients.first->name_ + ".video_quality.txt");
video_streams_.emplace_back(new VideoStreamPair(
clients.first, clients.second, config, quality_log_file_name));
return video_streams_.back().get();
}

5
test/scenario/scenario_config.h
View File

@ -21,6 +21,7 @@
#include "api/units/time_delta.h"
#include "common_types.h" // NOLINT(build/include)
#include "test/frame_generator.h"
#include "test/scenario/quality_info.h"
namespace webrtc {
namespace test {
@ -138,6 +139,10 @@ struct VideoStreamConfig {
struct Renderer {
enum Type { kFake } type = kFake;
};
struct analyzer {
bool log_to_file = false;
std::function<void(const VideoFrameQualityInfo&)> frame_quality_handler;
} analyzer;
};
struct AudioStreamConfig {

32
test/scenario/video_stream.cc
View File

@ -12,6 +12,7 @@
#include <algorithm>
#include <utility>
#include "absl/memory/memory.h"
#include "api/test/video/function_video_encoder_factory.h"
#include "api/video/builtin_video_bitrate_allocator_factory.h"
#include "media/base/mediaconstants.h"
@ -175,7 +176,8 @@ VideoEncoderConfig CreateVideoEncoderConfig(VideoStreamConfig config) {
SendVideoStream::SendVideoStream(CallClient* sender,
VideoStreamConfig config,
Transport* send_transport)
Transport* send_transport,
VideoQualityAnalyzer* analyzer)
: sender_(sender), config_(config) {
for (size_t i = 0; i < config.encoder.num_simulcast_streams; ++i) {
ssrcs_.push_back(sender->GetNextVideoSsrc());
@ -244,10 +246,21 @@ SendVideoStream::SendVideoStream(CallClient* sender,
send_stream_ = sender_->call_->CreateVideoSendStream(
std::move(send_config), std::move(encoder_config));
std::vector<std::function<void(const VideoFrameQualityInfo&)> >
frame_info_handlers;
if (config.analyzer.frame_quality_handler)
frame_info_handlers.push_back(config.analyzer.frame_quality_handler);
if (analyzer->Active()) {
frame_tap_.reset(new ForwardingCapturedFrameTap(sender_->clock_, analyzer,
video_capturer_.get()));
send_stream_->SetSource(frame_tap_.get(),
config.encoder.degradation_preference);
} else {
send_stream_->SetSource(video_capturer_.get(),
config.encoder.degradation_preference);
}
}
SendVideoStream::~SendVideoStream() {
sender_->call_->DestroyVideoSendStream(send_stream_);
@ -282,7 +295,6 @@ void SendVideoStream::SetCaptureFramerate(int framerate) {
RTC_CHECK(frame_generator_)
<< "Framerate change only implemented for generators";
frame_generator_->ChangeFramerate(framerate);
}
VideoSendStream::Stats SendVideoStream::GetStats() const {
@ -311,9 +323,14 @@ ReceiveVideoStream::ReceiveVideoStream(CallClient* receiver,
VideoStreamConfig config,
SendVideoStream* send_stream,
size_t chosen_stream,
Transport* feedback_transport)
Transport* feedback_transport,
VideoQualityAnalyzer* analyzer)
: receiver_(receiver), config_(config) {
if (analyzer->Active()) {
renderer_ = absl::make_unique<DecodedFrameTap>(analyzer);
} else {
renderer_ = absl::make_unique<FakeVideoRenderer>();
}
VideoReceiveStream::Config recv_config(feedback_transport);
recv_config.rtp.remb = !config.stream.packet_feedback;
recv_config.rtp.transport_cc = config.stream.packet_feedback;
@ -384,14 +401,17 @@ VideoStreamPair::~VideoStreamPair() = default;
VideoStreamPair::VideoStreamPair(CallClient* sender,
CallClient* receiver,
VideoStreamConfig config)
VideoStreamConfig config,
std::string quality_log_file_name)
: config_(config),
send_stream_(sender, config, &sender->transport_),
analyzer_(quality_log_file_name, config.analyzer.frame_quality_handler),
send_stream_(sender, config, &sender->transport_, &analyzer_),
receive_stream_(receiver,
config,
&send_stream_,
/*chosen_stream=*/0,
&receiver->transport_) {}
&receiver->transport_,
&analyzer_) {}
} // namespace test
} // namespace webrtc

15
test/scenario/video_stream.h
View File

@ -19,6 +19,7 @@
#include "test/scenario/call_client.h"
#include "test/scenario/column_printer.h"
#include "test/scenario/network_node.h"
#include "test/scenario/quality_stats.h"
#include "test/scenario/scenario_config.h"
#include "test/test_video_capturer.h"
@ -43,7 +44,8 @@ class SendVideoStream {
// Handles RTCP feedback for this stream.
SendVideoStream(CallClient* sender,
VideoStreamConfig config,
Transport* send_transport);
Transport* send_transport,
VideoQualityAnalyzer* analyzer);
rtc::CriticalSection crit_;
std::vector<uint32_t> ssrcs_;
@ -55,6 +57,7 @@ class SendVideoStream {
std::vector<test::FakeEncoder*> fake_encoders_ RTC_GUARDED_BY(crit_);
std::unique_ptr<VideoBitrateAllocatorFactory> bitrate_allocator_factory_;
std::unique_ptr<TestVideoCapturer> video_capturer_;
std::unique_ptr<ForwardingCapturedFrameTap> frame_tap_;
FrameGeneratorCapturer* frame_generator_ = nullptr;
int next_local_network_id_ = 0;
int next_remote_network_id_ = 0;
@ -74,11 +77,12 @@ class ReceiveVideoStream {
VideoStreamConfig config,
SendVideoStream* send_stream,
size_t chosen_stream,
Transport* feedback_transport);
Transport* feedback_transport,
VideoQualityAnalyzer* analyzer);
VideoReceiveStream* receive_stream_ = nullptr;
FlexfecReceiveStream* flecfec_stream_ = nullptr;
std::unique_ptr<rtc::VideoSinkInterface<webrtc::VideoFrame>> renderer_;
std::unique_ptr<rtc::VideoSinkInterface<VideoFrame>> renderer_;
CallClient* const receiver_;
const VideoStreamConfig config_;
std::unique_ptr<VideoDecoderFactory> decoder_factory_;
@ -93,15 +97,18 @@ class VideoStreamPair {
~VideoStreamPair();
SendVideoStream* send() { return &send_stream_; }
ReceiveVideoStream* receive() { return &receive_stream_; }
VideoQualityAnalyzer* analyzer() { return &analyzer_; }
private:
friend class Scenario;
VideoStreamPair(CallClient* sender,
CallClient* receiver,
VideoStreamConfig config);
VideoStreamConfig config,
std::string quality_log_file_name);
const VideoStreamConfig config_;
VideoQualityAnalyzer analyzer_;
SendVideoStream send_stream_;
ReceiveVideoStream receive_stream_;
};