| /* |
| * 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/peer_configurer.h" |
| |
| #include <set> |
| |
| #include "absl/strings/string_view.h" |
| #include "modules/video_coding/svc/create_scalability_structure.h" |
| #include "modules/video_coding/svc/scalability_mode_util.h" |
| #include "rtc_base/arraysize.h" |
| #include "test/testsupport/file_utils.h" |
| |
| namespace webrtc { |
| namespace webrtc_pc_e2e { |
| namespace { |
| |
| using AudioConfig = PeerConnectionE2EQualityTestFixture::AudioConfig; |
| using VideoConfig = PeerConnectionE2EQualityTestFixture::VideoConfig; |
| using RunParams = PeerConnectionE2EQualityTestFixture::RunParams; |
| using VideoCodecConfig = PeerConnectionE2EQualityTestFixture::VideoCodecConfig; |
| |
| // List of default names of generic participants according to |
| // https://en.wikipedia.org/wiki/Alice_and_Bob |
| constexpr absl::string_view kDefaultNames[] = {"alice", "bob", "charlie", |
| "david", "erin", "frank"}; |
| |
| } // namespace |
| |
| DefaultNamesProvider::DefaultNamesProvider( |
| absl::string_view prefix, |
| rtc::ArrayView<const absl::string_view> default_names) |
| : prefix_(prefix), default_names_(default_names) {} |
| |
| void DefaultNamesProvider::MaybeSetName(absl::optional<std::string>& name) { |
| if (name.has_value()) { |
| known_names_.insert(name.value()); |
| } else { |
| name = GenerateName(); |
| } |
| } |
| |
| std::string DefaultNamesProvider::GenerateName() { |
| std::string name; |
| do { |
| name = GenerateNameInternal(); |
| } while (!known_names_.insert(name).second); |
| return name; |
| } |
| |
| std::string DefaultNamesProvider::GenerateNameInternal() { |
| if (counter_ < default_names_.size()) { |
| return std::string(default_names_[counter_++]); |
| } |
| return prefix_ + std::to_string(counter_++); |
| } |
| |
| PeerParamsPreprocessor::PeerParamsPreprocessor() |
| : peer_names_provider_("peer_", kDefaultNames) {} |
| |
| void PeerParamsPreprocessor::SetDefaultValuesForMissingParams( |
| PeerConfigurerImpl& peer) { |
| Params* params = peer.params(); |
| ConfigurableParams* configurable_params = peer.configurable_params(); |
| peer_names_provider_.MaybeSetName(params->name); |
| DefaultNamesProvider video_stream_names_provider(*params->name + |
| "_auto_video_stream_label_"); |
| for (VideoConfig& config : configurable_params->video_configs) { |
| video_stream_names_provider.MaybeSetName(config.stream_label); |
| } |
| if (params->audio_config) { |
| DefaultNamesProvider audio_stream_names_provider( |
| *params->name + "_auto_audio_stream_label_"); |
| audio_stream_names_provider.MaybeSetName( |
| params->audio_config->stream_label); |
| } |
| |
| if (params->video_codecs.empty()) { |
| params->video_codecs.push_back( |
| PeerConnectionE2EQualityTestFixture::VideoCodecConfig( |
| cricket::kVp8CodecName)); |
| } |
| } |
| |
| void PeerParamsPreprocessor::ValidateParams(const PeerConfigurerImpl& peer) { |
| const Params& p = peer.params(); |
| RTC_CHECK_GT(p.video_encoder_bitrate_multiplier, 0.0); |
| // Each peer should at least support 1 video codec. |
| RTC_CHECK_GE(p.video_codecs.size(), 1); |
| |
| { |
| RTC_CHECK(p.name); |
| bool inserted = peer_names_.insert(p.name.value()).second; |
| RTC_CHECK(inserted) << "Duplicate name=" << p.name.value(); |
| } |
| |
| // Validate that all video stream labels are unique and sync groups are |
| // valid. |
| for (const VideoConfig& video_config : |
| peer.configurable_params().video_configs) { |
| RTC_CHECK(video_config.stream_label); |
| bool inserted = |
| video_labels_.insert(video_config.stream_label.value()).second; |
| RTC_CHECK(inserted) << "Duplicate video_config.stream_label=" |
| << video_config.stream_label.value(); |
| |
| // TODO(bugs.webrtc.org/4762): remove this check after synchronization of |
| // more than two streams is supported. |
| if (video_config.sync_group.has_value()) { |
| bool sync_group_inserted = |
| video_sync_groups_.insert(video_config.sync_group.value()).second; |
| RTC_CHECK(sync_group_inserted) |
| << "Sync group shouldn't consist of more than two streams (one " |
| "video and one audio). Duplicate video_config.sync_group=" |
| << video_config.sync_group.value(); |
| } |
| |
| if (video_config.simulcast_config) { |
| if (!video_config.encoding_params.empty()) { |
| RTC_CHECK_EQ(video_config.simulcast_config->simulcast_streams_count, |
| video_config.encoding_params.size()) |
| << "|encoding_params| have to be specified for each simulcast " |
| << "stream in |video_config|."; |
| } |
| } else { |
| RTC_CHECK_LE(video_config.encoding_params.size(), 1) |
| << "|encoding_params| has multiple values but simulcast is not " |
| "enabled."; |
| } |
| |
| if (video_config.emulated_sfu_config) { |
| if (video_config.simulcast_config && |
| video_config.emulated_sfu_config->target_layer_index) { |
| RTC_CHECK_LT(*video_config.emulated_sfu_config->target_layer_index, |
| video_config.simulcast_config->simulcast_streams_count); |
| } |
| if (!video_config.encoding_params.empty()) { |
| bool is_svc = false; |
| for (const auto& encoding_param : video_config.encoding_params) { |
| if (!encoding_param.scalability_mode) |
| continue; |
| |
| absl::optional<ScalabilityMode> scalability_mode = |
| ScalabilityModeFromString(*encoding_param.scalability_mode); |
| RTC_CHECK(scalability_mode) << "Unknown scalability_mode requested"; |
| |
| absl::optional<ScalableVideoController::StreamLayersConfig> |
| stream_layers_config = |
| ScalabilityStructureConfig(*scalability_mode); |
| is_svc |= stream_layers_config->num_spatial_layers > 1; |
| RTC_CHECK(stream_layers_config->num_spatial_layers == 1 || |
| video_config.encoding_params.size() == 1) |
| << "Can't enable SVC modes with multiple spatial layers (" |
| << stream_layers_config->num_spatial_layers |
| << " layers) or simulcast (" |
| << video_config.encoding_params.size() << " layers)"; |
| if (video_config.emulated_sfu_config->target_layer_index) { |
| RTC_CHECK_LT(*video_config.emulated_sfu_config->target_layer_index, |
| stream_layers_config->num_spatial_layers); |
| } |
| } |
| if (!is_svc && video_config.emulated_sfu_config->target_layer_index) { |
| RTC_CHECK_LT(*video_config.emulated_sfu_config->target_layer_index, |
| video_config.encoding_params.size()); |
| } |
| } |
| } |
| } |
| if (p.audio_config) { |
| bool inserted = |
| audio_labels_.insert(p.audio_config->stream_label.value()).second; |
| RTC_CHECK(inserted) << "Duplicate audio_config.stream_label=" |
| << p.audio_config->stream_label.value(); |
| // TODO(bugs.webrtc.org/4762): remove this check after synchronization of |
| // more than two streams is supported. |
| if (p.audio_config->sync_group.has_value()) { |
| bool sync_group_inserted = |
| audio_sync_groups_.insert(p.audio_config->sync_group.value()).second; |
| RTC_CHECK(sync_group_inserted) |
| << "Sync group shouldn't consist of more than two streams (one " |
| "video and one audio). Duplicate audio_config.sync_group=" |
| << p.audio_config->sync_group.value(); |
| } |
| // Check that if mode input file name specified only if mode is kFile. |
| if (p.audio_config.value().mode == AudioConfig::Mode::kGenerated) { |
| RTC_CHECK(!p.audio_config.value().input_file_name); |
| } |
| if (p.audio_config.value().mode == AudioConfig::Mode::kFile) { |
| RTC_CHECK(p.audio_config.value().input_file_name); |
| RTC_CHECK( |
| test::FileExists(p.audio_config.value().input_file_name.value())) |
| << p.audio_config.value().input_file_name.value() << " doesn't exist"; |
| } |
| } |
| } |
| |
| } // namespace webrtc_pc_e2e |
| } // namespace webrtc |
