Separating video settings in VideoQualityTest.

webrtc/video/video_quality_test.cc

 /*
  *  Copyright (c) 2015 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 <stdio.h>
@@ skipping 733 matching lines @@
   std::deque<FrameComparison> comparisons_ GUARDED_BY(comparison_lock_);
   rtc::Event done_;
 };
 
 VideoQualityTest::VideoQualityTest() : clock_(Clock::GetRealTimeClock()) {}
 
 void VideoQualityTest::TestBody() {}
 
 std::string VideoQualityTest::GenerateGraphTitle() const {
   std::stringstream ss;
-  ss << params_.common.codec;
-  ss << " (" << params_.common.target_bitrate_bps / 1000 << "kbps";
-  ss << ", " << params_.common.fps << " FPS";
+  ss << params_.video.codec;
+  ss << " (" << params_.video.target_bitrate_bps / 1000 << "kbps";
+  ss << ", " << params_.video.fps << " FPS";
   if (params_.screenshare.scroll_duration)
     ss << ", " << params_.screenshare.scroll_duration << "s scroll";
   if (params_.ss.streams.size() > 1)
     ss << ", Stream #" << params_.ss.selected_stream;
   if (params_.ss.num_spatial_layers > 1)
     ss << ", Layer #" << params_.ss.selected_sl;
   ss << ")";
   return ss.str();
 }
 
 void VideoQualityTest::CheckParams() {
   // Add a default stream in none specified.
   if (params_.ss.streams.empty())
     params_.ss.streams.push_back(VideoQualityTest::DefaultVideoStream(params_));
   if (params_.ss.num_spatial_layers == 0)
     params_.ss.num_spatial_layers = 1;
 
   if (params_.pipe.loss_percent != 0 ||
       params_.pipe.queue_length_packets != 0) {
     // Since LayerFilteringTransport changes the sequence numbers, we can't
     // use that feature with pack loss, since the NACK request would end up
     // retransmitting the wrong packets.
     RTC_CHECK(params_.ss.selected_sl == -1 ||
               params_.ss.selected_sl == params_.ss.num_spatial_layers - 1);
-    RTC_CHECK(params_.common.selected_tl == -1 ||
-              params_.common.selected_tl ==
-                  params_.common.num_temporal_layers - 1);
+    RTC_CHECK(params_.video.selected_tl == -1 ||
+              params_.video.selected_tl ==
+                  params_.video.num_temporal_layers - 1);
   }
 
   // TODO(ivica): Should max_bitrate_bps == -1 represent inf max bitrate, as it
   // does in some parts of the code?
-  RTC_CHECK_GE(params_.common.max_bitrate_bps,
-               params_.common.target_bitrate_bps);
-  RTC_CHECK_GE(params_.common.target_bitrate_bps,
-               params_.common.min_bitrate_bps);
-  RTC_CHECK_LT(params_.common.selected_tl, params_.common.num_temporal_layers);
+  RTC_CHECK_GE(params_.video.max_bitrate_bps, params_.video.target_bitrate_bps);
+  RTC_CHECK_GE(params_.video.target_bitrate_bps, params_.video.min_bitrate_bps);
+  RTC_CHECK_LT(params_.video.selected_tl, params_.video.num_temporal_layers);
   RTC_CHECK_LT(params_.ss.selected_stream, params_.ss.streams.size());
   for (const VideoStream& stream : params_.ss.streams) {
     RTC_CHECK_GE(stream.min_bitrate_bps, 0);
     RTC_CHECK_GE(stream.target_bitrate_bps, stream.min_bitrate_bps);
     RTC_CHECK_GE(stream.max_bitrate_bps, stream.target_bitrate_bps);
     RTC_CHECK_EQ(static_cast<int>(stream.temporal_layer_thresholds_bps.size()),
-                 params_.common.num_temporal_layers - 1);
+                 params_.video.num_temporal_layers - 1);
   }
   // TODO(ivica): Should we check if the sum of all streams/layers is equal to
   // the total bitrate? We anyway have to update them in the case bitrate
   // estimator changes the total bitrates.
   RTC_CHECK_GE(params_.ss.num_spatial_layers, 1);
   RTC_CHECK_LE(params_.ss.selected_sl, params_.ss.num_spatial_layers);
   RTC_CHECK(params_.ss.spatial_layers.empty() ||
             params_.ss.spatial_layers.size() ==
                 static_cast<size_t>(params_.ss.num_spatial_layers));
-  if (params_.common.codec == "VP8") {
+  if (params_.video.codec == "VP8") {
     RTC_CHECK_EQ(params_.ss.num_spatial_layers, 1);
-  } else if (params_.common.codec == "VP9") {
+  } else if (params_.video.codec == "VP9") {
     RTC_CHECK_EQ(params_.ss.streams.size(), 1u);
   }
 }
 
 // Static.
 std::vector<int> VideoQualityTest::ParseCSV(const std::string& str) {
   // Parse comma separated nonnegative integers, where some elements may be
   // empty. The empty values are replaced with -1.
   // E.g. "10,-20,,30,40" --> {10, 20, -1, 30,40}
   // E.g. ",,10,,20," --> {-1, -1, 10, -1, 20, -1}
@@ skipping 15 matching lines @@
         << "Unexpected non-number value.";
     p += pos;
   }
   result.push_back(value);
   return result;
 }
 
 // Static.
 VideoStream VideoQualityTest::DefaultVideoStream(const Params& params) {
   VideoStream stream;
-  stream.width = params.common.width;
-  stream.height = params.common.height;
-  stream.max_framerate = params.common.fps;
-  stream.min_bitrate_bps = params.common.min_bitrate_bps;
-  stream.target_bitrate_bps = params.common.target_bitrate_bps;
-  stream.max_bitrate_bps = params.common.max_bitrate_bps;
+  stream.width = params.video.width;
+  stream.height = params.video.height;
+  stream.max_framerate = params.video.fps;
+  stream.min_bitrate_bps = params.video.min_bitrate_bps;
+  stream.target_bitrate_bps = params.video.target_bitrate_bps;
+  stream.max_bitrate_bps = params.video.max_bitrate_bps;
   stream.max_qp = 52;
-  if (params.common.num_temporal_layers == 2)
+  if (params.video.num_temporal_layers == 2)
     stream.temporal_layer_thresholds_bps.push_back(stream.target_bitrate_bps);
   return stream;
 }
 
 // Static.
 void VideoQualityTest::FillScalabilitySettings(
     Params* params,
     const std::vector<std::string>& stream_descriptors,
     size_t selected_stream,
     int num_spatial_layers,
@@ skipping 22 matching lines @@
     if (v[5] != -1)
       stream.max_bitrate_bps = v[5];
     if (v.size() > 6 && v[6] != -1)
       stream.max_qp = v[6];
     if (v.size() > 7) {
       stream.temporal_layer_thresholds_bps.clear();
       stream.temporal_layer_thresholds_bps.insert(
           stream.temporal_layer_thresholds_bps.end(), v.begin() + 7, v.end());
     } else {
       // Automatic TL thresholds for more than two layers not supported.
-      RTC_CHECK_LE(params->common.num_temporal_layers, 2);
+      RTC_CHECK_LE(params->video.num_temporal_layers, 2);
     }
     params->ss.streams.push_back(stream);
   }
   params->ss.selected_stream = selected_stream;
 
   params->ss.num_spatial_layers = num_spatial_layers ? num_spatial_layers : 1;
   params->ss.selected_sl = selected_sl;
   RTC_CHECK(params->ss.spatial_layers.empty());
   for (auto descriptor : sl_descriptors) {
     if (descriptor.empty())
@@ skipping 11 matching lines @@
 
 void VideoQualityTest::SetupCommon(Transport* send_transport,
                                    Transport* recv_transport) {
   if (params_.logs)
     trace_to_stderr_.reset(new test::TraceToStderr);
 
   size_t num_streams = params_.ss.streams.size();
   CreateSendConfig(num_streams, 0, send_transport);
 
   int payload_type;
-  if (params_.common.codec == "H264") {
+  if (params_.video.codec == "H264") {
     encoder_.reset(VideoEncoder::Create(VideoEncoder::kH264));
     payload_type = kPayloadTypeH264;
-  } else if (params_.common.codec == "VP8") {
+  } else if (params_.video.codec == "VP8") {
     encoder_.reset(VideoEncoder::Create(VideoEncoder::kVp8));
     payload_type = kPayloadTypeVP8;
-  } else if (params_.common.codec == "VP9") {
+  } else if (params_.video.codec == "VP9") {
     encoder_.reset(VideoEncoder::Create(VideoEncoder::kVp9));
     payload_type = kPayloadTypeVP9;
   } else {
     RTC_NOTREACHED() << "Codec not supported!";
     return;
   }
   video_send_config_.encoder_settings.encoder = encoder_.get();
-  video_send_config_.encoder_settings.payload_name = params_.common.codec;
+  video_send_config_.encoder_settings.payload_name = params_.video.codec;
   video_send_config_.encoder_settings.payload_type = payload_type;
   video_send_config_.rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
   video_send_config_.rtp.rtx.payload_type = kSendRtxPayloadType;
   for (size_t i = 0; i < num_streams; ++i)
     video_send_config_.rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[i]);
 
   video_send_config_.rtp.extensions.clear();
-  if (params_.common.send_side_bwe) {
+  if (params_.call.send_side_bwe) {
     video_send_config_.rtp.extensions.push_back(
         RtpExtension(RtpExtension::kTransportSequenceNumberUri,
                      test::kTransportSequenceNumberExtensionId));
   } else {
     video_send_config_.rtp.extensions.push_back(RtpExtension(
         RtpExtension::kAbsSendTimeUri, test::kAbsSendTimeExtensionId));
   }
 
   video_encoder_config_.min_transmit_bitrate_bps =
-      params_.common.min_transmit_bps;
+      params_.video.min_transmit_bps;
   video_encoder_config_.streams = params_.ss.streams;
   video_encoder_config_.spatial_layers = params_.ss.spatial_layers;
 
   CreateMatchingReceiveConfigs(recv_transport);
 
   for (size_t i = 0; i < num_streams; ++i) {
     video_receive_configs_[i].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
     video_receive_configs_[i].rtp.rtx[payload_type].ssrc = kSendRtxSsrcs[i];
     video_receive_configs_[i].rtp.rtx[payload_type].payload_type =
         kSendRtxPayloadType;
-    video_receive_configs_[i].rtp.transport_cc = params_.common.send_side_bwe;
+    video_receive_configs_[i].rtp.transport_cc = params_.call.send_side_bwe;
   }
 }
 
 void VideoQualityTest::SetupScreenshare() {
   RTC_CHECK(params_.screenshare.enabled);
 
   // Fill out codec settings.
   video_encoder_config_.content_type = VideoEncoderConfig::ContentType::kScreen;
-  if (params_.common.codec == "VP8") {
+  if (params_.video.codec == "VP8") {
     codec_settings_.VP8 = VideoEncoder::GetDefaultVp8Settings();
     codec_settings_.VP8.denoisingOn = false;
     codec_settings_.VP8.frameDroppingOn = false;
     codec_settings_.VP8.numberOfTemporalLayers =
-        static_cast<unsigned char>(params_.common.num_temporal_layers);
+        static_cast<unsigned char>(params_.video.num_temporal_layers);
     video_encoder_config_.encoder_specific_settings = &codec_settings_.VP8;
-  } else if (params_.common.codec == "VP9") {
+  } else if (params_.video.codec == "VP9") {
     codec_settings_.VP9 = VideoEncoder::GetDefaultVp9Settings();
     codec_settings_.VP9.denoisingOn = false;
     codec_settings_.VP9.frameDroppingOn = false;
     codec_settings_.VP9.numberOfTemporalLayers =
-        static_cast<unsigned char>(params_.common.num_temporal_layers);
+        static_cast<unsigned char>(params_.video.num_temporal_layers);
     video_encoder_config_.encoder_specific_settings = &codec_settings_.VP9;
     codec_settings_.VP9.numberOfSpatialLayers =
         static_cast<unsigned char>(params_.ss.num_spatial_layers);
   }
 
   // Setup frame generator.
   const size_t kWidth = 1850;
   const size_t kHeight = 1110;
   std::vector<std::string> slides;
   slides.push_back(test::ResourcePath("web_screenshot_1850_1110", "yuv"));
   slides.push_back(test::ResourcePath("presentation_1850_1110", "yuv"));
   slides.push_back(test::ResourcePath("photo_1850_1110", "yuv"));
   slides.push_back(test::ResourcePath("difficult_photo_1850_1110", "yuv"));
 
   if (params_.screenshare.scroll_duration == 0) {
     // Cycle image every slide_change_interval seconds.
     frame_generator_.reset(test::FrameGenerator::CreateFromYuvFile(
         slides, kWidth, kHeight,
-        params_.screenshare.slide_change_interval * params_.common.fps));
+        params_.screenshare.slide_change_interval * params_.video.fps));
   } else {
-    RTC_CHECK_LE(params_.common.width, kWidth);
-    RTC_CHECK_LE(params_.common.height, kHeight);
+    RTC_CHECK_LE(params_.video.width, kWidth);
+    RTC_CHECK_LE(params_.video.height, kHeight);
     RTC_CHECK_GT(params_.screenshare.slide_change_interval, 0);
     const int kPauseDurationMs = (params_.screenshare.slide_change_interval -
                                   params_.screenshare.scroll_duration) *
                                  1000;
     RTC_CHECK_LE(params_.screenshare.scroll_duration,
                  params_.screenshare.slide_change_interval);
 
     frame_generator_.reset(
         test::FrameGenerator::CreateScrollingInputFromYuvFiles(
-            clock_, slides, kWidth, kHeight, params_.common.width,
-            params_.common.height, params_.screenshare.scroll_duration * 1000,
+            clock_, slides, kWidth, kHeight, params_.video.width,
+            params_.video.height, params_.screenshare.scroll_duration * 1000,
             kPauseDurationMs));
   }
 }
 
 void VideoQualityTest::CreateCapturer(VideoCaptureInput* input) {
   if (params_.screenshare.enabled) {
     test::FrameGeneratorCapturer* frame_generator_capturer =
         new test::FrameGeneratorCapturer(
-            clock_, input, frame_generator_.release(), params_.common.fps);
+            clock_, input, frame_generator_.release(), params_.video.fps);
     EXPECT_TRUE(frame_generator_capturer->Init());
     capturer_.reset(frame_generator_capturer);
   } else {
     if (params_.video.clip_name.empty()) {
-      capturer_.reset(test::VideoCapturer::Create(input, params_.common.width,
-                                                  params_.common.height,
-                                                  params_.common.fps, clock_));
+      capturer_.reset(test::VideoCapturer::Create(input, params_.video.width,
+                                                  params_.video.height,
+                                                  params_.video.fps, clock_));
     } else {
       capturer_.reset(test::FrameGeneratorCapturer::CreateFromYuvFile(
           input, test::ResourcePath(params_.video.clip_name, "yuv"),
-          params_.common.width, params_.common.height, params_.common.fps,
+          params_.video.width, params_.video.height, params_.video.fps,
           clock_));
       ASSERT_TRUE(capturer_) << "Could not create capturer for "
                              << params_.video.clip_name
                              << ".yuv. Is this resource file present?";
     }
   }
 }
 
 void VideoQualityTest::RunWithAnalyzer(const Params& params) {
   params_ = params;
 
-  RTC_CHECK(!params_.audio);
+  RTC_CHECK(!params_.audio.enabled);
   // TODO(ivica): Merge with RunWithRenderer and use a flag / argument to
   // differentiate between the analyzer and the renderer case.
   CheckParams();
 
   FILE* graph_data_output_file = nullptr;
   if (!params_.analyzer.graph_data_output_filename.empty()) {
     graph_data_output_file =
         fopen(params_.analyzer.graph_data_output_filename.c_str(), "w");
     RTC_CHECK(graph_data_output_file)
         << "Can't open the file " << params_.analyzer.graph_data_output_filename
         << "!";
   }
 
   Call::Config call_config;
-  call_config.bitrate_config = params.common.call_bitrate_config;
+  call_config.bitrate_config = params_.call.call_bitrate_config;
   CreateCalls(call_config, call_config);
 
   test::LayerFilteringTransport send_transport(
-      params.pipe, sender_call_.get(), kPayloadTypeVP8, kPayloadTypeVP9,
-      params.common.selected_tl, params_.ss.selected_sl);
-  test::DirectTransport recv_transport(params.pipe, receiver_call_.get());
+      params_.pipe, sender_call_.get(), kPayloadTypeVP8, kPayloadTypeVP9,
+      params_.video.selected_tl, params_.ss.selected_sl);
+  test::DirectTransport recv_transport(params_.pipe, receiver_call_.get());
 
   std::string graph_title = params_.analyzer.graph_title;
   if (graph_title.empty())
     graph_title = VideoQualityTest::GenerateGraphTitle();
 
   // In the case of different resolutions, the functions calculating PSNR and
   // SSIM return -1.0, instead of a positive value as usual. VideoAnalyzer
   // aborts if the average psnr/ssim are below the given threshold, which is
   // 0.0 by default. Setting the thresholds to -1.1 prevents the unnecessary
   // abort.
   VideoStream& selected_stream = params_.ss.streams[params_.ss.selected_stream];
   int selected_sl = params_.ss.selected_sl != -1
                         ? params_.ss.selected_sl
                         : params_.ss.num_spatial_layers - 1;
   bool disable_quality_check =
-      selected_stream.width != params_.common.width ||
-      selected_stream.height != params_.common.height ||
+      selected_stream.width != params_.video.width ||
+      selected_stream.height != params_.video.height ||
       (!params_.ss.spatial_layers.empty() &&
        params_.ss.spatial_layers[selected_sl].scaling_factor_num !=
            params_.ss.spatial_layers[selected_sl].scaling_factor_den);
   if (disable_quality_check) {
     fprintf(stderr,
             "Warning: Calculating PSNR and SSIM for downsized resolution "
             "not implemented yet! Skipping PSNR and SSIM calculations!");
   }
 
   VideoAnalyzer analyzer(
       &send_transport, params_.analyzer.test_label,
       disable_quality_check ? -1.1 : params_.analyzer.avg_psnr_threshold,
       disable_quality_check ? -1.1 : params_.analyzer.avg_ssim_threshold,
-      params_.analyzer.test_durations_secs * params_.common.fps,
+      params_.analyzer.test_durations_secs * params_.video.fps,
       graph_data_output_file, graph_title,
       kVideoSendSsrcs[params_.ss.selected_stream]);
 
   analyzer.SetReceiver(receiver_call_->Receiver());
   send_transport.SetReceiver(&analyzer);
   recv_transport.SetReceiver(sender_call_->Receiver());
 
   SetupCommon(&analyzer, &recv_transport);
   video_receive_configs_[params_.ss.selected_stream].renderer = &analyzer;
   video_send_config_.pre_encode_callback = analyzer.pre_encode_proxy();
@@ skipping 30 matching lines @@
 
   if (graph_data_output_file)
     fclose(graph_data_output_file);
 }
 
 void VideoQualityTest::RunWithRenderers(const Params& params) {
   params_ = params;
   CheckParams();
 
   std::unique_ptr<test::VideoRenderer> local_preview(
-      test::VideoRenderer::Create("Local Preview", params_.common.width,
-                                  params_.common.height));
+      test::VideoRenderer::Create("Local Preview", params_.video.width,
+                                  params_.video.height));
   size_t stream_id = params_.ss.selected_stream;
   std::string title = "Loopback Video";
   if (params_.ss.streams.size() > 1) {
     std::ostringstream s;
     s << stream_id;
     title += " - Stream #" + s.str();
   }
 
   std::unique_ptr<test::VideoRenderer> loopback_video(
       test::VideoRenderer::Create(title.c_str(),
                                   params_.ss.streams[stream_id].width,
                                   params_.ss.streams[stream_id].height));
 
   // TODO(ivica): Remove bitrate_config and use the default Call::Config(), to
   // match the full stack tests.
   Call::Config call_config;
-  call_config.bitrate_config = params_.common.call_bitrate_config;
+  call_config.bitrate_config = params_.call.call_bitrate_config;
 
   ::VoiceEngineState voe;
-  if (params_.audio) {
+  if (params_.audio.enabled) {
     CreateVoiceEngine(&voe, decoder_factory_);
     AudioState::Config audio_state_config;
     audio_state_config.voice_engine = voe.voice_engine;
     call_config.audio_state = AudioState::Create(audio_state_config);
   }
 
   std::unique_ptr<Call> call(Call::Create(call_config));
 
   test::LayerFilteringTransport transport(
       params.pipe, call.get(), kPayloadTypeVP8, kPayloadTypeVP9,
-      params.common.selected_tl, params_.ss.selected_sl);
+      params.video.selected_tl, params_.ss.selected_sl);
   // TODO(ivica): Use two calls to be able to merge with RunWithAnalyzer or at
   // least share as much code as possible. That way this test would also match
   // the full stack tests better.
   transport.SetReceiver(call->Receiver());
 
   SetupCommon(&transport, &transport);
 
   video_send_config_.pre_encode_callback = local_preview.get();
   video_receive_configs_[stream_id].renderer = loopback_video.get();
-  if (params_.audio && params_.audio_video_sync)
+  if (params_.audio.enabled && params_.audio.sync_video)
     video_receive_configs_[stream_id].sync_group = kSyncGroup;
 
   video_send_config_.suspend_below_min_bitrate =
-      params_.common.suspend_below_min_bitrate;
+      params_.video.suspend_below_min_bitrate;
 
-  if (params.common.fec) {
+  if (params.video.fec) {
     video_send_config_.rtp.fec.red_payload_type = kRedPayloadType;
     video_send_config_.rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
     video_receive_configs_[stream_id].rtp.fec.red_payload_type =
       kRedPayloadType;
     video_receive_configs_[stream_id].rtp.fec.ulpfec_payload_type =
       kUlpfecPayloadType;
   }
 
   if (params_.screenshare.enabled)
     SetupScreenshare();
 
   video_send_stream_ = call->CreateVideoSendStream(
       video_send_config_.Copy(), video_encoder_config_.Copy());
   VideoReceiveStream* video_receive_stream =
       call->CreateVideoReceiveStream(video_receive_configs_[stream_id].Copy());
   CreateCapturer(video_send_stream_->Input());
 
   AudioReceiveStream* audio_receive_stream = nullptr;
-  if (params_.audio) {
+  if (params_.audio.enabled) {
     audio_send_config_ = AudioSendStream::Config(&transport);
     audio_send_config_.voe_channel_id = voe.send_channel_id;
     audio_send_config_.rtp.ssrc = kAudioSendSsrc;
 
     // Add extension to enable audio send side BWE, and allow audio bit rate
     // adaptation.
     audio_send_config_.rtp.extensions.clear();
-    if (params_.common.send_side_bwe) {
+    if (params_.call.send_side_bwe) {
       audio_send_config_.rtp.extensions.push_back(webrtc::RtpExtension(
           webrtc::RtpExtension::kTransportSequenceNumberUri,
           test::kTransportSequenceNumberExtensionId));
       audio_send_config_.min_bitrate_kbps = kOpusMinBitrate / 1000;
       audio_send_config_.max_bitrate_kbps = kOpusBitrateFb / 1000;
     }
 
     audio_send_stream_ = call->CreateAudioSendStream(audio_send_config_);
 
     AudioReceiveStream::Config audio_config;
     audio_config.rtp.local_ssrc = kReceiverLocalAudioSsrc;
     audio_config.rtcp_send_transport = &transport;
     audio_config.voe_channel_id = voe.receive_channel_id;
     audio_config.rtp.remote_ssrc = audio_send_config_.rtp.ssrc;
-    audio_config.rtp.transport_cc = params_.common.send_side_bwe;
+    audio_config.rtp.transport_cc = params_.call.send_side_bwe;
     audio_config.rtp.extensions = audio_send_config_.rtp.extensions;
     audio_config.decoder_factory = decoder_factory_;
-    if (params_.audio_video_sync)
+    if (params_.audio.sync_video)
       audio_config.sync_group = kSyncGroup;
 
     audio_receive_stream =call->CreateAudioReceiveStream(audio_config);
 
     const CodecInst kOpusInst = {120, "OPUS", 48000, 960, 2, 64000};
     EXPECT_EQ(0, voe.codec->SetSendCodec(voe.send_channel_id, kOpusInst));
   }
 
   // Start sending and receiving video.
   video_receive_stream->Start();
   video_send_stream_->Start();
   capturer_->Start();
 
-  if (params_.audio) {
+  if (params_.audio.enabled) {
     // Start receiving audio.
     audio_receive_stream->Start();
     EXPECT_EQ(0, voe.base->StartPlayout(voe.receive_channel_id));
     EXPECT_EQ(0, voe.base->StartReceive(voe.receive_channel_id));
 
     // Start sending audio.
     audio_send_stream_->Start();
     EXPECT_EQ(0, voe.base->StartSend(voe.send_channel_id));
   }
 
   test::PressEnterToContinue();
 
-  if (params_.audio) {
+  if (params_.audio.enabled) {
     // Stop sending audio.
     EXPECT_EQ(0, voe.base->StopSend(voe.send_channel_id));
     audio_send_stream_->Stop();
 
     // Stop receiving audio.
     EXPECT_EQ(0, voe.base->StopReceive(voe.receive_channel_id));
     EXPECT_EQ(0, voe.base->StopPlayout(voe.receive_channel_id));
     audio_receive_stream->Stop();
   }
 
   // Stop receiving and sending video.
   capturer_->Stop();
   video_send_stream_->Stop();
   video_receive_stream->Stop();
 
   call->DestroyVideoReceiveStream(video_receive_stream);
   call->DestroyVideoSendStream(video_send_stream_);
 
-  if (params_.audio) {
-     call->DestroyAudioSendStream(audio_send_stream_);
-     call->DestroyAudioReceiveStream(audio_receive_stream);
+  if (params_.audio.enabled) {
+    call->DestroyAudioSendStream(audio_send_stream_);
+    call->DestroyAudioReceiveStream(audio_receive_stream);
   }
 
   transport.StopSending();
-  if (params_.audio)
+  if (params_.audio.enabled)
     DestroyVoiceEngine(&voe);
 }
 
 }  // namespace webrtc