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/*
* Copyright (c) 2020 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/test_peer_factory.h"
#include <utility>
#include "absl/memory/memory.h"
#include "absl/strings/string_view.h"
#include "api/task_queue/default_task_queue_factory.h"
#include "api/test/create_time_controller.h"
#include "api/test/time_controller.h"
#include "api/transport/field_trial_based_config.h"
#include "api/video_codecs/builtin_video_decoder_factory.h"
#include "api/video_codecs/builtin_video_encoder_factory.h"
#include "media/engine/webrtc_media_engine.h"
#include "media/engine/webrtc_media_engine_defaults.h"
#include "modules/audio_processing/aec_dump/aec_dump_factory.h"
#include "p2p/client/basic_port_allocator.h"
#include "test/pc/e2e/analyzer/video/quality_analyzing_video_encoder.h"
#include "test/pc/e2e/echo/echo_emulation.h"
#include "test/pc/e2e/peer_configurer.h"
#include "test/testsupport/copy_to_file_audio_capturer.h"
namespace webrtc {
namespace webrtc_pc_e2e {
namespace {
using AudioConfig =
::webrtc::webrtc_pc_e2e::PeerConnectionE2EQualityTestFixture::AudioConfig;
using VideoConfig =
::webrtc::webrtc_pc_e2e::PeerConnectionE2EQualityTestFixture::VideoConfig;
using EchoEmulationConfig = ::webrtc::webrtc_pc_e2e::
PeerConnectionE2EQualityTestFixture::EchoEmulationConfig;
using EmulatedSFUConfigMap =
::webrtc::webrtc_pc_e2e::QualityAnalyzingVideoEncoder::EmulatedSFUConfigMap;
constexpr int16_t kGeneratedAudioMaxAmplitude = 32000;
constexpr int kDefaultSamplingFrequencyInHz = 48000;
// Sets mandatory entities in injectable components like `pcf_dependencies`
// and `pc_dependencies` if they are omitted. Also setup required
// dependencies, that won't be specially provided by factory and will be just
// transferred to peer connection creation code.
void SetMandatoryEntities(InjectableComponents* components,
TimeController& time_controller) {
RTC_DCHECK(components->pcf_dependencies);
RTC_DCHECK(components->pc_dependencies);
// Setup required peer connection factory dependencies.
if (components->pcf_dependencies->task_queue_factory == nullptr) {
components->pcf_dependencies->task_queue_factory =
time_controller.CreateTaskQueueFactory();
}
if (components->pcf_dependencies->call_factory == nullptr) {
components->pcf_dependencies->call_factory =
CreateTimeControllerBasedCallFactory(&time_controller);
}
if (components->pcf_dependencies->event_log_factory == nullptr) {
components->pcf_dependencies->event_log_factory =
std::make_unique<RtcEventLogFactory>(
components->pcf_dependencies->task_queue_factory.get());
}
if (!components->pcf_dependencies->trials) {
components->pcf_dependencies->trials =
std::make_unique<FieldTrialBasedConfig>();
}
}
// Returns mapping from stream label to optional spatial index.
// If we have stream label "Foo" and mapping contains
// 1. `absl::nullopt` means all simulcast/SVC streams are required
// 2. Concrete value means that particular simulcast/SVC stream have to be
// analyzed.
EmulatedSFUConfigMap CalculateRequiredSpatialIndexPerStream(
const std::vector<VideoConfig>& video_configs) {
EmulatedSFUConfigMap result;
for (auto& video_config : video_configs) {
// Stream label should be set by fixture implementation here.
RTC_DCHECK(video_config.stream_label);
bool res = result
.insert({*video_config.stream_label,
video_config.emulated_sfu_config})
.second;
RTC_DCHECK(res) << "Duplicate video_config.stream_label="
<< *video_config.stream_label;
}
return result;
}
std::unique_ptr<TestAudioDeviceModule::Renderer> CreateAudioRenderer(
const absl::optional<RemotePeerAudioConfig>& config) {
if (!config) {
// Return default renderer because we always require some renderer.
return TestAudioDeviceModule::CreateDiscardRenderer(
kDefaultSamplingFrequencyInHz);
}
if (config->output_file_name) {
return TestAudioDeviceModule::CreateBoundedWavFileWriter(
config->output_file_name.value(), config->sampling_frequency_in_hz);
}
return TestAudioDeviceModule::CreateDiscardRenderer(
config->sampling_frequency_in_hz);
}
std::unique_ptr<TestAudioDeviceModule::Capturer> CreateAudioCapturer(
const absl::optional<AudioConfig>& audio_config) {
if (!audio_config) {
// If we have no audio config we still need to provide some audio device.
// In such case use generated capturer. Despite of we provided audio here,
// in test media setup audio stream won't be added into peer connection.
return TestAudioDeviceModule::CreatePulsedNoiseCapturer(
kGeneratedAudioMaxAmplitude, kDefaultSamplingFrequencyInHz);
}
switch (audio_config->mode) {
case AudioConfig::Mode::kGenerated:
return TestAudioDeviceModule::CreatePulsedNoiseCapturer(
kGeneratedAudioMaxAmplitude, audio_config->sampling_frequency_in_hz);
case AudioConfig::Mode::kFile:
RTC_DCHECK(audio_config->input_file_name);
return TestAudioDeviceModule::CreateWavFileReader(
audio_config->input_file_name.value(), /*repeat=*/true);
}
}
rtc::scoped_refptr<AudioDeviceModule> CreateAudioDeviceModule(
absl::optional<AudioConfig> audio_config,
absl::optional<RemotePeerAudioConfig> remote_audio_config,
absl::optional<EchoEmulationConfig> echo_emulation_config,
TaskQueueFactory* task_queue_factory) {
std::unique_ptr<TestAudioDeviceModule::Renderer> renderer =
CreateAudioRenderer(remote_audio_config);
std::unique_ptr<TestAudioDeviceModule::Capturer> capturer =
CreateAudioCapturer(audio_config);
RTC_DCHECK(renderer);
RTC_DCHECK(capturer);
// Setup echo emulation if required.
if (echo_emulation_config) {
capturer = std::make_unique<EchoEmulatingCapturer>(std::move(capturer),
*echo_emulation_config);
renderer = std::make_unique<EchoEmulatingRenderer>(
std::move(renderer),
static_cast<EchoEmulatingCapturer*>(capturer.get()));
}
// Setup input stream dumping if required.
if (audio_config && audio_config->input_dump_file_name) {
capturer = std::make_unique<test::CopyToFileAudioCapturer>(
std::move(capturer), audio_config->input_dump_file_name.value());
}
return TestAudioDeviceModule::Create(task_queue_factory, std::move(capturer),
std::move(renderer), /*speed=*/1.f);
}
std::unique_ptr<cricket::MediaEngineInterface> CreateMediaEngine(
PeerConnectionFactoryComponents* pcf_dependencies,
rtc::scoped_refptr<AudioDeviceModule> audio_device_module) {
cricket::MediaEngineDependencies media_deps;
media_deps.task_queue_factory = pcf_dependencies->task_queue_factory.get();
media_deps.adm = audio_device_module;
media_deps.audio_processing = pcf_dependencies->audio_processing;
media_deps.audio_mixer = pcf_dependencies->audio_mixer;
media_deps.video_encoder_factory =
std::move(pcf_dependencies->video_encoder_factory);
media_deps.video_decoder_factory =
std::move(pcf_dependencies->video_decoder_factory);
webrtc::SetMediaEngineDefaults(&media_deps);
RTC_DCHECK(pcf_dependencies->trials);
media_deps.trials = pcf_dependencies->trials.get();
return cricket::CreateMediaEngine(std::move(media_deps));
}
void WrapVideoEncoderFactory(
absl::string_view peer_name,
double bitrate_multiplier,
EmulatedSFUConfigMap stream_to_sfu_config,
PeerConnectionFactoryComponents* pcf_dependencies,
VideoQualityAnalyzerInjectionHelper* video_analyzer_helper) {
std::unique_ptr<VideoEncoderFactory> video_encoder_factory;
if (pcf_dependencies->video_encoder_factory != nullptr) {
video_encoder_factory = std::move(pcf_dependencies->video_encoder_factory);
} else {
video_encoder_factory = CreateBuiltinVideoEncoderFactory();
}
pcf_dependencies->video_encoder_factory =
video_analyzer_helper->WrapVideoEncoderFactory(
peer_name, std::move(video_encoder_factory), bitrate_multiplier,
std::move(stream_to_sfu_config));
}
void WrapVideoDecoderFactory(
absl::string_view peer_name,
PeerConnectionFactoryComponents* pcf_dependencies,
VideoQualityAnalyzerInjectionHelper* video_analyzer_helper) {
std::unique_ptr<VideoDecoderFactory> video_decoder_factory;
if (pcf_dependencies->video_decoder_factory != nullptr) {
video_decoder_factory = std::move(pcf_dependencies->video_decoder_factory);
} else {
video_decoder_factory = CreateBuiltinVideoDecoderFactory();
}
pcf_dependencies->video_decoder_factory =
video_analyzer_helper->WrapVideoDecoderFactory(
peer_name, std::move(video_decoder_factory));
}
// Creates PeerConnectionFactoryDependencies objects, providing entities
// from InjectableComponents::PeerConnectionFactoryComponents.
PeerConnectionFactoryDependencies CreatePCFDependencies(
std::unique_ptr<PeerConnectionFactoryComponents> pcf_dependencies,
std::unique_ptr<cricket::MediaEngineInterface> media_engine,
rtc::Thread* signaling_thread,
rtc::Thread* worker_thread,
rtc::Thread* network_thread) {
PeerConnectionFactoryDependencies pcf_deps;
pcf_deps.signaling_thread = signaling_thread;
pcf_deps.worker_thread = worker_thread;
pcf_deps.network_thread = network_thread;
pcf_deps.media_engine = std::move(media_engine);
pcf_deps.call_factory = std::move(pcf_dependencies->call_factory);
pcf_deps.event_log_factory = std::move(pcf_dependencies->event_log_factory);
pcf_deps.task_queue_factory = std::move(pcf_dependencies->task_queue_factory);
if (pcf_dependencies->fec_controller_factory != nullptr) {
pcf_deps.fec_controller_factory =
std::move(pcf_dependencies->fec_controller_factory);
}
if (pcf_dependencies->network_controller_factory != nullptr) {
pcf_deps.network_controller_factory =
std::move(pcf_dependencies->network_controller_factory);
}
if (pcf_dependencies->neteq_factory != nullptr) {
pcf_deps.neteq_factory = std::move(pcf_dependencies->neteq_factory);
}
if (pcf_dependencies->trials != nullptr) {
pcf_deps.trials = std::move(pcf_dependencies->trials);
}
return pcf_deps;
}
// Creates PeerConnectionDependencies objects, providing entities
// from InjectableComponents::PeerConnectionComponents.
PeerConnectionDependencies CreatePCDependencies(
MockPeerConnectionObserver* observer,
uint32_t port_allocator_extra_flags,
std::unique_ptr<PeerConnectionComponents> pc_dependencies) {
PeerConnectionDependencies pc_deps(observer);
auto port_allocator = std::make_unique<cricket::BasicPortAllocator>(
pc_dependencies->network_manager, pc_dependencies->packet_socket_factory);
// This test does not support TCP
int flags = port_allocator_extra_flags | cricket::PORTALLOCATOR_DISABLE_TCP;
port_allocator->set_flags(port_allocator->flags() | flags);
pc_deps.allocator = std::move(port_allocator);
if (pc_dependencies->async_resolver_factory != nullptr) {
pc_deps.async_resolver_factory =
std::move(pc_dependencies->async_resolver_factory);
}
if (pc_dependencies->cert_generator != nullptr) {
pc_deps.cert_generator = std::move(pc_dependencies->cert_generator);
}
if (pc_dependencies->tls_cert_verifier != nullptr) {
pc_deps.tls_cert_verifier = std::move(pc_dependencies->tls_cert_verifier);
}
if (pc_dependencies->ice_transport_factory != nullptr) {
pc_deps.ice_transport_factory =
std::move(pc_dependencies->ice_transport_factory);
}
return pc_deps;
}
} // namespace
absl::optional<RemotePeerAudioConfig> RemotePeerAudioConfig::Create(
absl::optional<AudioConfig> config) {
if (!config) {
return absl::nullopt;
}
return RemotePeerAudioConfig(config.value());
}
std::unique_ptr<TestPeer> TestPeerFactory::CreateTestPeer(
std::unique_ptr<PeerConfigurerImpl> configurer,
std::unique_ptr<MockPeerConnectionObserver> observer,
absl::optional<RemotePeerAudioConfig> remote_audio_config,
absl::optional<PeerConnectionE2EQualityTestFixture::EchoEmulationConfig>
echo_emulation_config) {
std::unique_ptr<InjectableComponents> components =
configurer->ReleaseComponents();
std::unique_ptr<Params> params = configurer->ReleaseParams();
std::unique_ptr<ConfigurableParams> configurable_params =
configurer->ReleaseConfigurableParams();
std::vector<PeerConfigurerImpl::VideoSource> video_sources =
configurer->ReleaseVideoSources();
RTC_DCHECK(components);
RTC_DCHECK(params);
RTC_DCHECK(configurable_params);
RTC_DCHECK_EQ(configurable_params->video_configs.size(),
video_sources.size());
SetMandatoryEntities(components.get(), time_controller_);
params->rtc_configuration.sdp_semantics = SdpSemantics::kUnifiedPlan;
// Create peer connection factory.
if (components->pcf_dependencies->audio_processing == nullptr) {
components->pcf_dependencies->audio_processing =
webrtc::AudioProcessingBuilder().Create();
}
if (params->aec_dump_path) {
components->pcf_dependencies->audio_processing->CreateAndAttachAecDump(
*params->aec_dump_path, -1, task_queue_);
}
rtc::scoped_refptr<AudioDeviceModule> audio_device_module =
CreateAudioDeviceModule(
params->audio_config, remote_audio_config, echo_emulation_config,
components->pcf_dependencies->task_queue_factory.get());
WrapVideoEncoderFactory(
params->name.value(), params->video_encoder_bitrate_multiplier,
CalculateRequiredSpatialIndexPerStream(
configurable_params->video_configs),
components->pcf_dependencies.get(), video_analyzer_helper_);
WrapVideoDecoderFactory(params->name.value(),
components->pcf_dependencies.get(),
video_analyzer_helper_);
std::unique_ptr<cricket::MediaEngineInterface> media_engine =
CreateMediaEngine(components->pcf_dependencies.get(),
audio_device_module);
std::unique_ptr<rtc::Thread> worker_thread =
time_controller_.CreateThread("worker_thread");
// Store `webrtc::AudioProcessing` into local variable before move of
// `components->pcf_dependencies`
rtc::scoped_refptr<webrtc::AudioProcessing> audio_processing =
components->pcf_dependencies->audio_processing;
PeerConnectionFactoryDependencies pcf_deps = CreatePCFDependencies(
std::move(components->pcf_dependencies), std::move(media_engine),
signaling_thread_, worker_thread.get(), components->network_thread);
rtc::scoped_refptr<PeerConnectionFactoryInterface> peer_connection_factory =
CreateModularPeerConnectionFactory(std::move(pcf_deps));
// Create peer connection.
PeerConnectionDependencies pc_deps =
CreatePCDependencies(observer.get(), params->port_allocator_extra_flags,
std::move(components->pc_dependencies));
rtc::scoped_refptr<PeerConnectionInterface> peer_connection =
peer_connection_factory
->CreatePeerConnectionOrError(params->rtc_configuration,
std::move(pc_deps))
.MoveValue();
peer_connection->SetBitrate(params->bitrate_settings);
return absl::WrapUnique(new TestPeer(
peer_connection_factory, peer_connection, std::move(observer),
std::move(*params), std::move(*configurable_params),
std::move(video_sources), audio_processing, std::move(worker_thread)));
}
} // namespace webrtc_pc_e2e
} // namespace webrtc