Step 1 to prepare call_test.* for combined audio/video tests.

Also move (and clean up includes) rampup_tests.* to webrtc/call in preparation for combined audio/video ramp-up tests.

No functional changes.

BUG=webrtc:5263

Review URL: https://codereview.webrtc.org/1537273003

Cr-Commit-Position: refs/heads/master@{#11101}
diff --git a/webrtc/call/bitrate_estimator_tests.cc b/webrtc/call/bitrate_estimator_tests.cc
index d8c0d5e..e371270 100644
--- a/webrtc/call/bitrate_estimator_tests.cc
+++ b/webrtc/call/bitrate_estimator_tests.cc
@@ -119,17 +119,17 @@
     receive_transport_.reset(new test::DirectTransport(receiver_call_.get()));
     receive_transport_->SetReceiver(sender_call_->Receiver());
 
-    send_config_ = VideoSendStream::Config(send_transport_.get());
-    send_config_.rtp.ssrcs.push_back(kSendSsrcs[0]);
+    video_send_config_ = VideoSendStream::Config(send_transport_.get());
+    video_send_config_.rtp.ssrcs.push_back(kSendSsrcs[0]);
     // Encoders will be set separately per stream.
-    send_config_.encoder_settings.encoder = nullptr;
-    send_config_.encoder_settings.payload_name = "FAKE";
-    send_config_.encoder_settings.payload_type = kFakeSendPayloadType;
-    encoder_config_.streams = test::CreateVideoStreams(1);
+    video_send_config_.encoder_settings.encoder = nullptr;
+    video_send_config_.encoder_settings.payload_name = "FAKE";
+    video_send_config_.encoder_settings.payload_type = kFakeSendPayloadType;
+    video_encoder_config_.streams = test::CreateVideoStreams(1);
 
     receive_config_ = VideoReceiveStream::Config(receive_transport_.get());
     // receive_config_.decoders will be set by every stream separately.
-    receive_config_.rtp.remote_ssrc = send_config_.rtp.ssrcs[0];
+    receive_config_.rtp.remote_ssrc = video_send_config_.rtp.ssrcs[0];
     receive_config_.rtp.local_ssrc = kReceiverLocalSsrc;
     receive_config_.rtp.remb = true;
     receive_config_.rtp.extensions.push_back(
@@ -168,21 +168,21 @@
           frame_generator_capturer_(),
           fake_encoder_(Clock::GetRealTimeClock()),
           fake_decoder_() {
-      test_->send_config_.rtp.ssrcs[0]++;
-      test_->send_config_.encoder_settings.encoder = &fake_encoder_;
+      test_->video_send_config_.rtp.ssrcs[0]++;
+      test_->video_send_config_.encoder_settings.encoder = &fake_encoder_;
       send_stream_ = test_->sender_call_->CreateVideoSendStream(
-          test_->send_config_, test_->encoder_config_);
-      RTC_DCHECK_EQ(1u, test_->encoder_config_.streams.size());
+          test_->video_send_config_, test_->video_encoder_config_);
+      RTC_DCHECK_EQ(1u, test_->video_encoder_config_.streams.size());
       frame_generator_capturer_.reset(test::FrameGeneratorCapturer::Create(
-          send_stream_->Input(), test_->encoder_config_.streams[0].width,
-          test_->encoder_config_.streams[0].height, 30,
+          send_stream_->Input(), test_->video_encoder_config_.streams[0].width,
+          test_->video_encoder_config_.streams[0].height, 30,
           Clock::GetRealTimeClock()));
       send_stream_->Start();
       frame_generator_capturer_->Start();
 
       if (receive_audio) {
         AudioReceiveStream::Config receive_config;
-        receive_config.rtp.remote_ssrc = test_->send_config_.rtp.ssrcs[0];
+        receive_config.rtp.remote_ssrc = test_->video_send_config_.rtp.ssrcs[0];
         // Bogus non-default id to prevent hitting a RTC_DCHECK when creating
         // the AudioReceiveStream. Every receive stream has to correspond to
         // an underlying channel id.
@@ -196,13 +196,13 @@
         VideoReceiveStream::Decoder decoder;
         decoder.decoder = &fake_decoder_;
         decoder.payload_type =
-            test_->send_config_.encoder_settings.payload_type;
+            test_->video_send_config_.encoder_settings.payload_type;
         decoder.payload_name =
-            test_->send_config_.encoder_settings.payload_name;
+            test_->video_send_config_.encoder_settings.payload_name;
         test_->receive_config_.decoders.clear();
         test_->receive_config_.decoders.push_back(decoder);
         test_->receive_config_.rtp.remote_ssrc =
-            test_->send_config_.rtp.ssrcs[0];
+            test_->video_send_config_.rtp.ssrcs[0];
         test_->receive_config_.rtp.local_ssrc++;
         video_receive_stream_ = test_->receiver_call_->CreateVideoReceiveStream(
             test_->receive_config_);
@@ -264,7 +264,7 @@
     "RemoteBitrateEstimatorSingleStream: Instantiating.";
 
 TEST_F(BitrateEstimatorTest, InstantiatesTOFPerDefaultForVideo) {
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
@@ -273,7 +273,7 @@
 }
 
 TEST_F(BitrateEstimatorTest, ImmediatelySwitchToASTForAudio) {
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId));
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
@@ -284,7 +284,7 @@
 }
 
 TEST_F(BitrateEstimatorTest, ImmediatelySwitchToASTForVideo) {
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId));
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
@@ -300,7 +300,7 @@
   streams_.push_back(new Stream(this, true));
   EXPECT_TRUE(receiver_log_.Wait());
 
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId));
   receiver_log_.PushExpectedLogLine("Switching to absolute send time RBE.");
   receiver_log_.PushExpectedLogLine(kAbsSendTimeLog);
@@ -309,14 +309,14 @@
 }
 
 TEST_F(BitrateEstimatorTest, SwitchesToASTForVideo) {
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   streams_.push_back(new Stream(this, false));
   EXPECT_TRUE(receiver_log_.Wait());
 
-  send_config_.rtp.extensions[0] =
+  video_send_config_.rtp.extensions[0] =
       RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId);
   receiver_log_.PushExpectedLogLine("Switching to absolute send time RBE.");
   receiver_log_.PushExpectedLogLine(kAbsSendTimeLog);
@@ -325,21 +325,21 @@
 }
 
 TEST_F(BitrateEstimatorTest, SwitchesToASTThenBackToTOFForVideo) {
-  send_config_.rtp.extensions.push_back(
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kTOffset, kTOFExtensionId));
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   receiver_log_.PushExpectedLogLine(kSingleStreamLog);
   streams_.push_back(new Stream(this, false));
   EXPECT_TRUE(receiver_log_.Wait());
 
-  send_config_.rtp.extensions[0] =
+  video_send_config_.rtp.extensions[0] =
       RtpExtension(RtpExtension::kAbsSendTime, kASTExtensionId);
   receiver_log_.PushExpectedLogLine("Switching to absolute send time RBE.");
   receiver_log_.PushExpectedLogLine(kAbsSendTimeLog);
   streams_.push_back(new Stream(this, false));
   EXPECT_TRUE(receiver_log_.Wait());
 
-  send_config_.rtp.extensions[0] =
+  video_send_config_.rtp.extensions[0] =
       RtpExtension(RtpExtension::kTOffset, kTOFExtensionId);
   receiver_log_.PushExpectedLogLine(
       "WrappingBitrateEstimator: Switching to transmission time offset RBE.");
diff --git a/webrtc/call/call_perf_tests.cc b/webrtc/call/call_perf_tests.cc
index c918f0e..faefc42 100644
--- a/webrtc/call/call_perf_tests.cc
+++ b/webrtc/call/call_perf_tests.cc
@@ -296,16 +296,16 @@
   CodecInst isac = {103, "ISAC", 16000, 480, 1, 32000};
   EXPECT_EQ(0, voe_codec->SetSendCodec(send_channel_id, isac));
 
-  send_config_.rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
+  video_send_config_.rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
   if (fec) {
-    send_config_.rtp.fec.red_payload_type = kRedPayloadType;
-    send_config_.rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
-    receive_configs_[0].rtp.fec.red_payload_type = kRedPayloadType;
-    receive_configs_[0].rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
+    video_send_config_.rtp.fec.red_payload_type = kRedPayloadType;
+    video_send_config_.rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
+    video_receive_configs_[0].rtp.fec.red_payload_type = kRedPayloadType;
+    video_receive_configs_[0].rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
   }
-  receive_configs_[0].rtp.nack.rtp_history_ms = 1000;
-  receive_configs_[0].renderer = &observer;
-  receive_configs_[0].sync_group = kSyncGroup;
+  video_receive_configs_[0].rtp.nack.rtp_history_ms = 1000;
+  video_receive_configs_[0].renderer = &observer;
+  video_receive_configs_[0].sync_group = kSyncGroup;
 
   AudioReceiveStream::Config audio_recv_config;
   audio_recv_config.rtp.remote_ssrc = kAudioSendSsrc;
@@ -464,9 +464,10 @@
       capturer_ = frame_generator_capturer;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       (*receive_configs)[0].renderer = this;
       // Enable the receiver side rtt calculation.
       (*receive_configs)[0].rtp.rtcp_xr.receiver_reference_time_report = true;
@@ -531,9 +532,10 @@
         observation_complete_.Set();
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->overuse_callback = this;
       send_config->encoder_settings.encoder = &encoder_;
     }
@@ -613,15 +615,16 @@
       return SEND_PACKET;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       if (pad_to_min_bitrate_) {
         encoder_config->min_transmit_bitrate_bps = kMinTransmitBitrateBps;
       } else {
@@ -698,9 +701,10 @@
       return config;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       encoder_config->streams[0].min_bitrate_bps = 50000;
       encoder_config->streams[0].target_bitrate_bps =
@@ -709,7 +713,7 @@
       encoder_config_ = *encoder_config;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
diff --git a/webrtc/call/packet_injection_tests.cc b/webrtc/call/packet_injection_tests.cc
index 18ca058..315fc7b 100644
--- a/webrtc/call/packet_injection_tests.cc
+++ b/webrtc/call/packet_injection_tests.cc
@@ -42,13 +42,13 @@
   test::NullTransport null_transport;
   CreateSendConfig(1, &null_transport);
   CreateMatchingReceiveConfigs(&null_transport);
-  receive_configs_[0].decoders[0].payload_type = payload_type;
+  video_receive_configs_[0].decoders[0].payload_type = payload_type;
   switch (codec_type) {
     case CodecType::kVp8:
-      receive_configs_[0].decoders[0].payload_name = "VP8";
+      video_receive_configs_[0].decoders[0].payload_name = "VP8";
       break;
     case CodecType::kH264:
-      receive_configs_[0].decoders[0].payload_name = "H264";
+      video_receive_configs_[0].decoders[0].payload_name = "H264";
       break;
   }
   CreateStreams();
diff --git a/webrtc/video/rampup_tests.cc b/webrtc/call/rampup_tests.cc
similarity index 78%
rename from webrtc/video/rampup_tests.cc
rename to webrtc/call/rampup_tests.cc
index bc5daf5..ace90f4 100644
--- a/webrtc/video/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -8,31 +8,19 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/call/rampup_tests.h"
+
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/checks.h"
-#include "webrtc/base/common.h"
-#include "webrtc/base/event.h"
 #include "webrtc/base/platform_thread.h"
-#include "webrtc/modules/pacing/packet_router.h"
-#include "webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h"
-#include "webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h"
-#include "webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.h"
-#include "webrtc/modules/rtp_rtcp/include/receive_statistics.h"
-#include "webrtc/modules/rtp_rtcp/include/rtp_header_parser.h"
-#include "webrtc/modules/rtp_rtcp/include/rtp_payload_registry.h"
-#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
-#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
 #include "webrtc/test/testsupport/perf_test.h"
-#include "webrtc/video/rampup_tests.h"
 
 namespace webrtc {
 namespace {
 
 static const int64_t kPollIntervalMs = 20;
 
-std::vector<uint32_t> GenerateSsrcs(size_t num_streams,
-                                    uint32_t ssrc_offset) {
+std::vector<uint32_t> GenerateSsrcs(size_t num_streams, uint32_t ssrc_offset) {
   std::vector<uint32_t> ssrcs;
   for (size_t i = 0; i != num_streams; ++i)
     ssrcs.push_back(static_cast<uint32_t>(ssrc_offset + i));
@@ -40,7 +28,8 @@
 }
 }  // namespace
 
-RampUpTester::RampUpTester(size_t num_streams,
+RampUpTester::RampUpTester(size_t num_video_streams,
+                           size_t num_audio_streams,
                            unsigned int start_bitrate_bps,
                            const std::string& extension_type,
                            bool rtx,
@@ -48,7 +37,8 @@
     : EndToEndTest(test::CallTest::kLongTimeoutMs),
       event_(false, false),
       clock_(Clock::GetRealTimeClock()),
-      num_streams_(num_streams),
+      num_video_streams_(num_video_streams),
+      num_audio_streams_(num_audio_streams),
       rtx_(rtx),
       red_(red),
       send_stream_(nullptr),
@@ -58,15 +48,16 @@
       test_start_ms_(-1),
       ramp_up_finished_ms_(-1),
       extension_type_(extension_type),
-      ssrcs_(GenerateSsrcs(num_streams, 100)),
-      rtx_ssrcs_(GenerateSsrcs(num_streams, 200)),
+      video_ssrcs_(GenerateSsrcs(num_video_streams_, 100)),
+      video_rtx_ssrcs_(GenerateSsrcs(num_video_streams_, 200)),
+      audio_ssrcs_(GenerateSsrcs(num_audio_streams_, 300)),
       poller_thread_(&BitrateStatsPollingThread,
                      this,
                      "BitrateStatsPollingThread"),
       sender_call_(nullptr) {
   if (rtx_) {
-    for (size_t i = 0; i < ssrcs_.size(); ++i)
-      rtx_ssrc_map_[rtx_ssrcs_[i]] = ssrcs_[i];
+    for (size_t i = 0; i < video_ssrcs_.size(); ++i)
+      rtx_ssrc_map_[video_rtx_ssrcs_[i]] = video_ssrcs_[i];
   }
 }
 
@@ -83,7 +74,7 @@
   return call_config;
 }
 
-void RampUpTester::OnStreamsCreated(
+void RampUpTester::OnVideoStreamsCreated(
     VideoSendStream* send_stream,
     const std::vector<VideoReceiveStream*>& receive_streams) {
   send_stream_ = send_stream;
@@ -96,17 +87,13 @@
   send_transport_->SetConfig(forward_transport_config_);
 }
 
-size_t RampUpTester::GetNumStreams() const {
-  return num_streams_;
-}
-
-void RampUpTester::ModifyConfigs(
+void RampUpTester::ModifyVideoConfigs(
     VideoSendStream::Config* send_config,
     std::vector<VideoReceiveStream::Config>* receive_configs,
     VideoEncoderConfig* encoder_config) {
   send_config->suspend_below_min_bitrate = true;
 
-  if (num_streams_ == 1) {
+  if (num_video_streams_ == 1) {
     encoder_config->streams[0].target_bitrate_bps =
         encoder_config->streams[0].max_bitrate_bps = 2000000;
     // For single stream rampup until 1mbps
@@ -143,10 +130,10 @@
   }
 
   send_config->rtp.nack.rtp_history_ms = test::CallTest::kNackRtpHistoryMs;
-  send_config->rtp.ssrcs = ssrcs_;
+  send_config->rtp.ssrcs = video_ssrcs_;
   if (rtx_) {
     send_config->rtp.rtx.payload_type = test::CallTest::kSendRtxPayloadType;
-    send_config->rtp.rtx.ssrcs = rtx_ssrcs_;
+    send_config->rtp.rtx.ssrcs = video_rtx_ssrcs_;
   }
   if (red_) {
     send_config->rtp.fec.ulpfec_payload_type =
@@ -160,7 +147,7 @@
     recv_config.rtp.transport_cc = transport_cc;
     recv_config.rtp.extensions = send_config->rtp.extensions;
 
-    recv_config.rtp.remote_ssrc = ssrcs_[i];
+    recv_config.rtp.remote_ssrc = video_ssrcs_[i];
     recv_config.rtp.nack.rtp_history_ms = send_config->rtp.nack.rtp_history_ms;
 
     if (red_) {
@@ -172,7 +159,7 @@
 
     if (rtx_) {
       recv_config.rtp.rtx[send_config->encoder_settings.payload_type].ssrc =
-          rtx_ssrcs_[i];
+          video_rtx_ssrcs_[i];
       recv_config.rtp.rtx[send_config->encoder_settings.payload_type]
           .payload_type = send_config->rtp.rtx.payload_type;
     }
@@ -216,8 +203,8 @@
                                 const std::string& units) const {
   webrtc::test::PrintResult(
       measurement, "",
-      ::testing::UnitTest::GetInstance()->current_test_info()->name(),
-      value, units, false);
+      ::testing::UnitTest::GetInstance()->current_test_info()->name(), value,
+      units, false);
 }
 
 void RampUpTester::AccumulateStats(const VideoSendStream::StreamStats& stream,
@@ -246,7 +233,7 @@
   size_t total_sent = 0;
   size_t padding_sent = 0;
   size_t media_sent = 0;
-  for (uint32_t ssrc : ssrcs_) {
+  for (uint32_t ssrc : video_ssrcs_) {
     AccumulateStats(send_stats.substreams[ssrc], &total_packets_sent,
                     &total_sent, &padding_sent, &media_sent);
   }
@@ -255,7 +242,7 @@
   size_t rtx_total_sent = 0;
   size_t rtx_padding_sent = 0;
   size_t rtx_media_sent = 0;
-  for (uint32_t rtx_ssrc : rtx_ssrcs_) {
+  for (uint32_t rtx_ssrc : video_rtx_ssrcs_) {
     AccumulateStats(send_stats.substreams[rtx_ssrc], &rtx_total_packets_sent,
                     &rtx_total_sent, &rtx_padding_sent, &rtx_media_sent);
   }
@@ -288,13 +275,12 @@
                                        const std::string& extension_type,
                                        bool rtx,
                                        bool red)
-    : RampUpTester(num_streams, start_bitrate_bps, extension_type, rtx, red),
+    : RampUpTester(num_streams, 0, start_bitrate_bps, extension_type, rtx, red),
       test_state_(kFirstRampup),
       state_start_ms_(clock_->TimeInMilliseconds()),
       interval_start_ms_(clock_->TimeInMilliseconds()),
       sent_bytes_(0) {
-  forward_transport_config_.link_capacity_kbps =
-      kHighBandwidthLimitBps / 1000;
+  forward_transport_config_.link_capacity_kbps = kHighBandwidthLimitBps / 1000;
 }
 
 RampUpDownUpTester::~RampUpDownUpTester() {}
@@ -321,12 +307,22 @@
 
 std::string RampUpDownUpTester::GetModifierString() const {
   std::string str("_");
-  std::ostringstream s;
-  s << num_streams_;
-  str += s.str();
-  str += "stream";
-  str += (num_streams_ > 1 ? "s" : "");
-  str += "_";
+  if (num_video_streams_ > 0) {
+    std::ostringstream s;
+    s << num_video_streams_;
+    str += s.str();
+    str += "stream";
+    str += (num_video_streams_ > 1 ? "s" : "");
+    str += "_";
+  }
+  if (num_audio_streams_ > 0) {
+    std::ostringstream s;
+    s << num_audio_streams_;
+    str += s.str();
+    str += "stream";
+    str += (num_audio_streams_ > 1 ? "s" : "");
+    str += "_";
+  }
   str += (rtx_ ? "" : "no");
   str += "rtx";
   return str;
@@ -344,11 +340,8 @@
             kLowBandwidthLimitBps / 1000;
         send_transport_->SetConfig(forward_transport_config_);
         test_state_ = kLowRate;
-        webrtc::test::PrintResult("ramp_up_down_up",
-                                  GetModifierString(),
-                                  "first_rampup",
-                                  now - state_start_ms_,
-                                  "ms",
+        webrtc::test::PrintResult("ramp_up_down_up", GetModifierString(),
+                                  "first_rampup", now - state_start_ms_, "ms",
                                   false);
         state_start_ms_ = now;
         interval_start_ms_ = now;
@@ -364,11 +357,8 @@
             kHighBandwidthLimitBps / 1000;
         send_transport_->SetConfig(forward_transport_config_);
         test_state_ = kSecondRampup;
-        webrtc::test::PrintResult("ramp_up_down_up",
-                                  GetModifierString(),
-                                  "rampdown",
-                                  now - state_start_ms_,
-                                  "ms",
+        webrtc::test::PrintResult("ramp_up_down_up", GetModifierString(),
+                                  "rampdown", now - state_start_ms_, "ms",
                                   false);
         state_start_ms_ = now;
         interval_start_ms_ = now;
@@ -378,11 +368,8 @@
     }
     case kSecondRampup: {
       if (bitrate_bps > kExpectedHighBitrateBps && !suspended) {
-        webrtc::test::PrintResult("ramp_up_down_up",
-                                  GetModifierString(),
-                                  "second_rampup",
-                                  now - state_start_ms_,
-                                  "ms",
+        webrtc::test::PrintResult("ramp_up_down_up", GetModifierString(),
+                                  "second_rampup", now - state_start_ms_, "ms",
                                   false);
         observation_complete_.Set();
       }
@@ -396,33 +383,33 @@
   RampUpTest() {}
 
   virtual ~RampUpTest() {
-    EXPECT_EQ(nullptr, send_stream_);
-    EXPECT_TRUE(receive_streams_.empty());
+    EXPECT_EQ(nullptr, video_send_stream_);
+    EXPECT_TRUE(video_receive_streams_.empty());
   }
 };
 
 TEST_F(RampUpTest, SingleStream) {
-  RampUpTester test(1, 0, RtpExtension::kTOffset, false, false);
+  RampUpTester test(1, 0, 0, RtpExtension::kTOffset, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, Simulcast) {
-  RampUpTester test(3, 0, RtpExtension::kTOffset, false, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kTOffset, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, SimulcastWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kTOffset, true, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kTOffset, true, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, SimulcastByRedWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kTOffset, true, true);
+  RampUpTester test(3, 0, 0, RtpExtension::kTOffset, true, true);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, SingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0.9 * kSingleStreamTargetBps, RtpExtension::kTOffset,
+  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps, RtpExtension::kTOffset,
                     false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
@@ -458,53 +445,57 @@
 }
 
 TEST_F(RampUpTest, AbsSendTimeSingleStream) {
-  RampUpTester test(1, 0, RtpExtension::kAbsSendTime, false, false);
+  RampUpTester test(1, 0, 0, RtpExtension::kAbsSendTime, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, AbsSendTimeSimulcast) {
-  RampUpTester test(3, 0, RtpExtension::kAbsSendTime, false, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTime, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, AbsSendTimeSimulcastWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kAbsSendTime, true, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTime, true, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, AbsSendTimeSimulcastByRedWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kAbsSendTime, true, true);
+  RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTime, true, true);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, AbsSendTimeSingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0.9 * kSingleStreamTargetBps, RtpExtension::kAbsSendTime,
-                    false, false);
+  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps,
+                    RtpExtension::kAbsSendTime, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, TransportSequenceNumberSingleStream) {
-  RampUpTester test(1, 0, RtpExtension::kTransportSequenceNumber, false, false);
+  RampUpTester test(1, 0, 0, RtpExtension::kTransportSequenceNumber, false,
+                    false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, TransportSequenceNumberSimulcast) {
-  RampUpTester test(3, 0, RtpExtension::kTransportSequenceNumber, false, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kTransportSequenceNumber, false,
+                    false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, TransportSequenceNumberSimulcastWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kTransportSequenceNumber, true, false);
+  RampUpTester test(3, 0, 0, RtpExtension::kTransportSequenceNumber, true,
+                    false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, TransportSequenceNumberSimulcastByRedWithRtx) {
-  RampUpTester test(3, 0, RtpExtension::kTransportSequenceNumber, true, true);
+  RampUpTester test(3, 0, 0, RtpExtension::kTransportSequenceNumber, true,
+                    true);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
 
 TEST_F(RampUpTest, TransportSequenceNumberSingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0.9 * kSingleStreamTargetBps,
+  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps,
                     RtpExtension::kTransportSequenceNumber, false, false);
   RunBaseTest(&test, FakeNetworkPipe::Config());
 }
diff --git a/webrtc/video/rampup_tests.h b/webrtc/call/rampup_tests.h
similarity index 82%
rename from webrtc/video/rampup_tests.h
rename to webrtc/call/rampup_tests.h
index 81159e6..561ed0d 100644
--- a/webrtc/video/rampup_tests.h
+++ b/webrtc/call/rampup_tests.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_VIDEO_RAMPUP_TESTS_H_
-#define WEBRTC_VIDEO_RAMPUP_TESTS_H_
+#ifndef WEBRTC_CALL_RAMPUP_TESTS_H_
+#define WEBRTC_CALL_RAMPUP_TESTS_H_
 
 #include <map>
 #include <string>
@@ -18,8 +18,6 @@
 #include "webrtc/base/event.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/call.h"
-#include "webrtc/call/transport_adapter.h"
-#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 #include "webrtc/test/call_test.h"
 
 namespace webrtc {
@@ -30,15 +28,11 @@
 static const unsigned int kSingleStreamTargetBps = 1000000;
 
 class Clock;
-class PacketRouter;
-class ReceiveStatistics;
-class RtpHeaderParser;
-class RTPPayloadRegistry;
-class RtpRtcp;
 
 class RampUpTester : public test::EndToEndTest {
  public:
-  RampUpTester(size_t num_streams,
+  RampUpTester(size_t num_video_streams,
+               size_t num_audio_streams,
                unsigned int start_bitrate_bps,
                const std::string& extension_type,
                bool rtx,
@@ -64,7 +58,8 @@
   rtc::Event event_;
   Clock* const clock_;
   FakeNetworkPipe::Config forward_transport_config_;
-  const size_t num_streams_;
+  const size_t num_video_streams_;
+  const size_t num_audio_streams_;
   const bool rtx_;
   const bool red_;
   VideoSendStream* send_stream_;
@@ -74,15 +69,15 @@
   typedef std::map<uint32_t, uint32_t> SsrcMap;
 
   Call::Config GetSenderCallConfig() override;
-  void OnStreamsCreated(
+  void OnVideoStreamsCreated(
       VideoSendStream* send_stream,
       const std::vector<VideoReceiveStream*>& receive_streams) override;
   void OnTransportsCreated(test::PacketTransport* send_transport,
                            test::PacketTransport* receive_transport) override;
-  size_t GetNumStreams() const;
-  void ModifyConfigs(VideoSendStream::Config* send_config,
-                     std::vector<VideoReceiveStream::Config>* receive_configs,
-                     VideoEncoderConfig* encoder_config) override;
+  void ModifyVideoConfigs(
+      VideoSendStream::Config* send_config,
+      std::vector<VideoReceiveStream::Config>* receive_configs,
+      VideoEncoderConfig* encoder_config) override;
   void OnCallsCreated(Call* sender_call, Call* receiver_call) override;
 
   static bool BitrateStatsPollingThread(void* obj);
@@ -94,8 +89,9 @@
   int64_t ramp_up_finished_ms_;
 
   const std::string extension_type_;
-  std::vector<uint32_t> ssrcs_;
-  std::vector<uint32_t> rtx_ssrcs_;
+  std::vector<uint32_t> video_ssrcs_;
+  std::vector<uint32_t> video_rtx_ssrcs_;
+  std::vector<uint32_t> audio_ssrcs_;
   SsrcMap rtx_ssrc_map_;
 
   rtc::PlatformThread poller_thread_;
@@ -132,4 +128,4 @@
   int sent_bytes_;
 };
 }  // namespace webrtc
-#endif  // WEBRTC_VIDEO_RAMPUP_TESTS_H_
+#endif  // WEBRTC_CALL_RAMPUP_TESTS_H_
diff --git a/webrtc/test/call_test.cc b/webrtc/test/call_test.cc
index 5caae13..bbc1224 100644
--- a/webrtc/test/call_test.cc
+++ b/webrtc/test/call_test.cc
@@ -19,10 +19,9 @@
 
 CallTest::CallTest()
     : clock_(Clock::GetRealTimeClock()),
-      send_config_(nullptr),
-      send_stream_(NULL),
-      fake_encoder_(clock_) {
-}
+      video_send_config_(nullptr),
+      video_send_stream_(NULL),
+      fake_encoder_(clock_) {}
 
 CallTest::~CallTest() {
 }
@@ -52,9 +51,10 @@
   if (test->ShouldCreateReceivers()) {
     CreateMatchingReceiveConfigs(receive_transport_.get());
   }
-  test->ModifyConfigs(&send_config_, &receive_configs_, &encoder_config_);
+  test->ModifyVideoConfigs(&video_send_config_, &video_receive_configs_,
+                           &video_encoder_config_);
   CreateStreams();
-  test->OnStreamsCreated(send_stream_, receive_streams_);
+  test->OnVideoStreamsCreated(video_send_stream_, video_receive_streams_);
 
   CreateFrameGeneratorCapturer();
   test->OnFrameGeneratorCapturerCreated(frame_generator_capturer_.get());
@@ -69,9 +69,9 @@
 }
 
 void CallTest::Start() {
-  send_stream_->Start();
-  for (size_t i = 0; i < receive_streams_.size(); ++i)
-    receive_streams_[i]->Start();
+  video_send_stream_->Start();
+  for (size_t i = 0; i < video_receive_streams_.size(); ++i)
+    video_receive_streams_[i]->Start();
   if (frame_generator_capturer_.get() != NULL)
     frame_generator_capturer_->Start();
 }
@@ -79,9 +79,9 @@
 void CallTest::Stop() {
   if (frame_generator_capturer_.get() != NULL)
     frame_generator_capturer_->Stop();
-  for (size_t i = 0; i < receive_streams_.size(); ++i)
-    receive_streams_[i]->Stop();
-  send_stream_->Stop();
+  for (size_t i = 0; i < video_receive_streams_.size(); ++i)
+    video_receive_streams_[i]->Stop();
+  video_send_stream_->Stop();
 }
 
 void CallTest::CreateCalls(const Call::Config& sender_config,
@@ -106,70 +106,67 @@
 void CallTest::CreateSendConfig(size_t num_streams,
                                 Transport* send_transport) {
   assert(num_streams <= kNumSsrcs);
-  send_config_ = VideoSendStream::Config(send_transport);
-  send_config_.encoder_settings.encoder = &fake_encoder_;
-  send_config_.encoder_settings.payload_name = "FAKE";
-  send_config_.encoder_settings.payload_type = kFakeSendPayloadType;
-  send_config_.rtp.extensions.push_back(
+  video_send_config_ = VideoSendStream::Config(send_transport);
+  video_send_config_.encoder_settings.encoder = &fake_encoder_;
+  video_send_config_.encoder_settings.payload_name = "FAKE";
+  video_send_config_.encoder_settings.payload_type = kFakeSendPayloadType;
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kAbsSendTime, kAbsSendTimeExtensionId));
-  encoder_config_.streams = test::CreateVideoStreams(num_streams);
+  video_encoder_config_.streams = test::CreateVideoStreams(num_streams);
   for (size_t i = 0; i < num_streams; ++i)
-    send_config_.rtp.ssrcs.push_back(kSendSsrcs[i]);
-  send_config_.rtp.extensions.push_back(
+    video_send_config_.rtp.ssrcs.push_back(kSendSsrcs[i]);
+  video_send_config_.rtp.extensions.push_back(
       RtpExtension(RtpExtension::kVideoRotation, kVideoRotationRtpExtensionId));
 }
 
 void CallTest::CreateMatchingReceiveConfigs(
     Transport* rtcp_send_transport) {
-  assert(!send_config_.rtp.ssrcs.empty());
-  assert(receive_configs_.empty());
+  assert(!video_send_config_.rtp.ssrcs.empty());
+  assert(video_receive_configs_.empty());
   assert(allocated_decoders_.empty());
   VideoReceiveStream::Config config(rtcp_send_transport);
   config.rtp.remb = true;
   config.rtp.local_ssrc = kReceiverLocalSsrc;
-  for (const RtpExtension& extension : send_config_.rtp.extensions)
+  for (const RtpExtension& extension : video_send_config_.rtp.extensions)
     config.rtp.extensions.push_back(extension);
-  for (size_t i = 0; i < send_config_.rtp.ssrcs.size(); ++i) {
+  for (size_t i = 0; i < video_send_config_.rtp.ssrcs.size(); ++i) {
     VideoReceiveStream::Decoder decoder =
-        test::CreateMatchingDecoder(send_config_.encoder_settings);
+        test::CreateMatchingDecoder(video_send_config_.encoder_settings);
     allocated_decoders_.push_back(decoder.decoder);
     config.decoders.clear();
     config.decoders.push_back(decoder);
-    config.rtp.remote_ssrc = send_config_.rtp.ssrcs[i];
-    receive_configs_.push_back(config);
+    config.rtp.remote_ssrc = video_send_config_.rtp.ssrcs[i];
+    video_receive_configs_.push_back(config);
   }
 }
 
 void CallTest::CreateFrameGeneratorCapturer() {
-  VideoStream stream = encoder_config_.streams.back();
-  frame_generator_capturer_.reset(
-      test::FrameGeneratorCapturer::Create(send_stream_->Input(),
-                                           stream.width,
-                                           stream.height,
-                                           stream.max_framerate,
-                                           clock_));
+  VideoStream stream = video_encoder_config_.streams.back();
+  frame_generator_capturer_.reset(test::FrameGeneratorCapturer::Create(
+      video_send_stream_->Input(), stream.width, stream.height,
+      stream.max_framerate, clock_));
 }
 
 void CallTest::CreateStreams() {
-  assert(send_stream_ == NULL);
-  assert(receive_streams_.empty());
+  assert(video_send_stream_ == NULL);
+  assert(video_receive_streams_.empty());
 
-  send_stream_ =
-      sender_call_->CreateVideoSendStream(send_config_, encoder_config_);
+  video_send_stream_ = sender_call_->CreateVideoSendStream(
+      video_send_config_, video_encoder_config_);
 
-  for (size_t i = 0; i < receive_configs_.size(); ++i) {
-    receive_streams_.push_back(
-        receiver_call_->CreateVideoReceiveStream(receive_configs_[i]));
+  for (size_t i = 0; i < video_receive_configs_.size(); ++i) {
+    video_receive_streams_.push_back(
+        receiver_call_->CreateVideoReceiveStream(video_receive_configs_[i]));
   }
 }
 
 void CallTest::DestroyStreams() {
-  if (send_stream_ != NULL)
-    sender_call_->DestroyVideoSendStream(send_stream_);
-  send_stream_ = NULL;
-  for (size_t i = 0; i < receive_streams_.size(); ++i)
-    receiver_call_->DestroyVideoReceiveStream(receive_streams_[i]);
-  receive_streams_.clear();
+  if (video_send_stream_ != NULL)
+    sender_call_->DestroyVideoSendStream(video_send_stream_);
+  video_send_stream_ = NULL;
+  for (size_t i = 0; i < video_receive_streams_.size(); ++i)
+    receiver_call_->DestroyVideoReceiveStream(video_receive_streams_[i]);
+  video_receive_streams_.clear();
   allocated_decoders_.clear();
 }
 
@@ -211,16 +208,14 @@
   return 1;
 }
 
-void BaseTest::ModifyConfigs(
+void BaseTest::ModifyVideoConfigs(
     VideoSendStream::Config* send_config,
     std::vector<VideoReceiveStream::Config>* receive_configs,
-    VideoEncoderConfig* encoder_config) {
-}
+    VideoEncoderConfig* encoder_config) {}
 
-void BaseTest::OnStreamsCreated(
+void BaseTest::OnVideoStreamsCreated(
     VideoSendStream* send_stream,
-    const std::vector<VideoReceiveStream*>& receive_streams) {
-}
+    const std::vector<VideoReceiveStream*>& receive_streams) {}
 
 void BaseTest::OnFrameGeneratorCapturerCreated(
     FrameGeneratorCapturer* frame_generator_capturer) {
diff --git a/webrtc/test/call_test.h b/webrtc/test/call_test.h
index 7828986..32820ed 100644
--- a/webrtc/test/call_test.h
+++ b/webrtc/test/call_test.h
@@ -67,14 +67,14 @@
 
   rtc::scoped_ptr<Call> sender_call_;
   rtc::scoped_ptr<PacketTransport> send_transport_;
-  VideoSendStream::Config send_config_;
-  VideoEncoderConfig encoder_config_;
-  VideoSendStream* send_stream_;
+  VideoSendStream::Config video_send_config_;
+  VideoEncoderConfig video_encoder_config_;
+  VideoSendStream* video_send_stream_;
 
   rtc::scoped_ptr<Call> receiver_call_;
   rtc::scoped_ptr<PacketTransport> receive_transport_;
-  std::vector<VideoReceiveStream::Config> receive_configs_;
-  std::vector<VideoReceiveStream*> receive_streams_;
+  std::vector<VideoReceiveStream::Config> video_receive_configs_;
+  std::vector<VideoReceiveStream*> video_receive_streams_;
 
   rtc::scoped_ptr<test::FrameGeneratorCapturer> frame_generator_capturer_;
   test::FakeEncoder fake_encoder_;
@@ -97,11 +97,11 @@
   virtual void OnTransportsCreated(PacketTransport* send_transport,
                                    PacketTransport* receive_transport);
 
-  virtual void ModifyConfigs(
+  virtual void ModifyVideoConfigs(
       VideoSendStream::Config* send_config,
       std::vector<VideoReceiveStream::Config>* receive_configs,
       VideoEncoderConfig* encoder_config);
-  virtual void OnStreamsCreated(
+  virtual void OnVideoStreamsCreated(
       VideoSendStream* send_stream,
       const std::vector<VideoReceiveStream*>& receive_streams);
 
diff --git a/webrtc/video/end_to_end_tests.cc b/webrtc/video/end_to_end_tests.cc
index bd9c198..659af2f 100644
--- a/webrtc/video/end_to_end_tests.cc
+++ b/webrtc/video/end_to_end_tests.cc
@@ -54,8 +54,8 @@
   EndToEndTest() {}
 
   virtual ~EndToEndTest() {
-    EXPECT_EQ(nullptr, send_stream_);
-    EXPECT_TRUE(receive_streams_.empty());
+    EXPECT_EQ(nullptr, video_send_stream_);
+    EXPECT_TRUE(video_receive_streams_.empty());
   }
 
  protected:
@@ -92,8 +92,8 @@
 
   CreateStreams();
 
-  receive_streams_[0]->Start();
-  receive_streams_[0]->Start();
+  video_receive_streams_[0]->Start();
+  video_receive_streams_[0]->Start();
 
   DestroyStreams();
 }
@@ -107,8 +107,8 @@
 
   CreateStreams();
 
-  receive_streams_[0]->Stop();
-  receive_streams_[0]->Stop();
+  video_receive_streams_[0]->Stop();
+  video_receive_streams_[0]->Stop();
 
   DestroyStreams();
 }
@@ -163,8 +163,8 @@
   CreateMatchingReceiveConfigs(&receiver_transport);
 
   TestFrameCallback pre_render_callback;
-  receive_configs_[0].pre_render_callback = &pre_render_callback;
-  receive_configs_[0].renderer = &renderer;
+  video_receive_configs_[0].pre_render_callback = &pre_render_callback;
+  video_receive_configs_[0].renderer = &renderer;
 
   CreateStreams();
   Start();
@@ -173,7 +173,8 @@
   // check that the callbacks are done after processing video.
   rtc::scoped_ptr<test::FrameGenerator> frame_generator(
       test::FrameGenerator::CreateChromaGenerator(kWidth, kHeight));
-  send_stream_->Input()->IncomingCapturedFrame(*frame_generator->NextFrame());
+  video_send_stream_->Input()->IncomingCapturedFrame(
+      *frame_generator->NextFrame());
   EXPECT_TRUE(pre_render_callback.Wait())
       << "Timed out while waiting for pre-render callback.";
   EXPECT_TRUE(renderer.Wait())
@@ -212,15 +213,17 @@
 
   CreateSendConfig(1, &sender_transport);
   CreateMatchingReceiveConfigs(&receiver_transport);
-  receive_configs_[0].renderer = &renderer;
+  video_receive_configs_[0].renderer = &renderer;
 
   CreateStreams();
   Start();
 
   rtc::scoped_ptr<test::FrameGenerator> frame_generator(
       test::FrameGenerator::CreateChromaGenerator(
-          encoder_config_.streams[0].width, encoder_config_.streams[0].height));
-  send_stream_->Input()->IncomingCapturedFrame(*frame_generator->NextFrame());
+          video_encoder_config_.streams[0].width,
+          video_encoder_config_.streams[0].height));
+  video_send_stream_->Input()->IncomingCapturedFrame(
+      *frame_generator->NextFrame());
 
   EXPECT_TRUE(renderer.Wait())
       << "Timed out while waiting for the frame to render.";
@@ -247,9 +250,10 @@
           << "Timed out while waiting for enough frames to be decoded.";
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = encoder_.get();
       send_config->encoder_settings.payload_name = "VP9";
       send_config->encoder_settings.payload_type = 124;
@@ -297,9 +301,10 @@
           << "Timed out while waiting for enough frames to be decoded.";
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms =
           (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       send_config->encoder_settings.encoder = &fake_encoder_;
@@ -429,9 +434,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
     }
@@ -525,9 +531,10 @@
       kDropNextMediaPacket,
     } state_;
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       // TODO(pbos): Run this test with combined NACK/FEC enabled as well.
       // int rtp_history_ms = 1000;
       // (*receive_configs)[0].rtp.nack.rtp_history_ms = rtp_history_ms;
@@ -641,9 +648,10 @@
       return config;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       // Configure hybrid NACK/FEC.
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       send_config->rtp.fec.red_payload_type = kRedPayloadType;
@@ -740,9 +748,10 @@
       }
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].pre_render_callback = this;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
@@ -871,16 +880,16 @@
   CreateSendConfig(1, &sender_transport);
   rtc::scoped_ptr<VideoEncoder> encoder(
       VideoEncoder::Create(VideoEncoder::kVp8));
-  send_config_.encoder_settings.encoder = encoder.get();
-  send_config_.encoder_settings.payload_name = "VP8";
-  ASSERT_EQ(1u, encoder_config_.streams.size()) << "Test setup error.";
-  encoder_config_.streams[0].width = kWidth;
-  encoder_config_.streams[0].height = kHeight;
-  send_config_.pre_encode_callback = &pre_encode_callback;
+  video_send_config_.encoder_settings.encoder = encoder.get();
+  video_send_config_.encoder_settings.payload_name = "VP8";
+  ASSERT_EQ(1u, video_encoder_config_.streams.size()) << "Test setup error.";
+  video_encoder_config_.streams[0].width = kWidth;
+  video_encoder_config_.streams[0].height = kHeight;
+  video_send_config_.pre_encode_callback = &pre_encode_callback;
 
   CreateMatchingReceiveConfigs(&receiver_transport);
-  receive_configs_[0].pre_render_callback = &pre_render_callback;
-  receive_configs_[0].renderer = &renderer;
+  video_receive_configs_[0].pre_render_callback = &pre_render_callback;
+  video_receive_configs_[0].renderer = &renderer;
 
   CreateStreams();
   Start();
@@ -889,7 +898,8 @@
   // check that the callbacks are done after processing video.
   rtc::scoped_ptr<test::FrameGenerator> frame_generator(
       test::FrameGenerator::CreateChromaGenerator(kWidth / 2, kHeight / 2));
-  send_stream_->Input()->IncomingCapturedFrame(*frame_generator->NextFrame());
+  video_send_stream_->Input()->IncomingCapturedFrame(
+      *frame_generator->NextFrame());
 
   EXPECT_TRUE(pre_encode_callback.Wait())
       << "Timed out while waiting for pre-encode callback.";
@@ -970,9 +980,10 @@
 
     bool IsTextureSupported() const override { return false; }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms = rtp_history_ms_;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = rtp_history_ms_;
       (*receive_configs)[0].renderer = this;
@@ -1047,8 +1058,8 @@
   CreateFrameGeneratorCapturer();
   Start();
 
-  receiver_call_->DestroyVideoReceiveStream(receive_streams_[0]);
-  receive_streams_.clear();
+  receiver_call_->DestroyVideoReceiveStream(video_receive_streams_[0]);
+  video_receive_streams_.clear();
 
   // Wait() waits for a received packet.
   EXPECT_TRUE(input_observer.Wait());
@@ -1119,9 +1130,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.rtcp_mode = rtcp_mode_;
@@ -1650,16 +1662,18 @@
 
   CreateSendConfig(1, &sender_transport);
   CreateMatchingReceiveConfigs(&receiver_transport);
-  send_config_.post_encode_callback = &post_encode_observer;
-  receive_configs_[0].pre_decode_callback = &pre_decode_observer;
+  video_send_config_.post_encode_callback = &post_encode_observer;
+  video_receive_configs_[0].pre_decode_callback = &pre_decode_observer;
 
   CreateStreams();
   Start();
 
   rtc::scoped_ptr<test::FrameGenerator> frame_generator(
       test::FrameGenerator::CreateChromaGenerator(
-          encoder_config_.streams[0].width, encoder_config_.streams[0].height));
-  send_stream_->Input()->IncomingCapturedFrame(*frame_generator->NextFrame());
+          video_encoder_config_.streams[0].width,
+          video_encoder_config_.streams[0].height));
+  video_send_stream_->Input()->IncomingCapturedFrame(
+      *frame_generator->NextFrame());
 
   EXPECT_TRUE(post_encode_observer.Wait())
       << "Timed out while waiting for send-side encoded-frame callback.";
@@ -1812,7 +1826,8 @@
         receive_stream_nack_packets +=
             stats.rtcp_packet_type_counts.nack_packets;
       }
-      if (send_stream_nack_packets >= 1 && receive_stream_nack_packets >= 1) {
+      if (send_stream_nack_packets >= 1 &&
+          receive_stream_nack_packets >= 1) {
         // NACK packet sent on receive stream and received on sent stream.
         if (MinMetricRunTimePassed())
           observation_complete_.Set();
@@ -1829,14 +1844,15 @@
       return elapsed_sec > metrics::kMinRunTimeInSeconds;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
@@ -1907,9 +1923,10 @@
       return elapsed_sec > metrics::kMinRunTimeInSeconds * 2;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       // NACK
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
@@ -2002,17 +2019,17 @@
   EXPECT_EQ(1,
             test::NumHistogramSamples("WebRTC.Video.ReceivedHeightInPixels"));
 
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].width),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
             test::LastHistogramSample(video_prefix + "InputWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].height),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
             test::LastHistogramSample(video_prefix + "InputHeightInPixels"));
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].width),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
             test::LastHistogramSample(video_prefix + "SentWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].height),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
             test::LastHistogramSample(video_prefix + "SentHeightInPixels"));
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].width),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
             test::LastHistogramSample("WebRTC.Video.ReceivedWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(encoder_config_.streams[0].height),
+  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
             test::LastHistogramSample("WebRTC.Video.ReceivedHeightInPixels"));
 
   EXPECT_EQ(1,
@@ -2152,9 +2169,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       (*receive_configs)[0].rtp.rtcp_mode = RtcpMode::kReducedSize;
       (*receive_configs)[0].rtp.rtcp_xr.receiver_reference_time_report =
           enable_rrtr_;
@@ -2221,9 +2239,10 @@
 
     size_t GetNumStreams() const override { return num_ssrcs_; }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       if (num_ssrcs_ > 1) {
         // Set low simulcast bitrates to not have to wait for bandwidth ramp-up.
         for (size_t i = 0; i < encoder_config->streams.size(); ++i) {
@@ -2233,12 +2252,12 @@
         }
       }
 
-      encoder_config_all_streams_ = *encoder_config;
+      video_encoder_config_all_streams_ = *encoder_config;
       if (send_single_ssrc_first_)
         encoder_config->streams.resize(1);
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
@@ -2251,7 +2270,8 @@
 
       if (send_single_ssrc_first_) {
         // Set full simulcast and continue with the rest of the SSRCs.
-        send_stream_->ReconfigureVideoEncoder(encoder_config_all_streams_);
+        send_stream_->ReconfigureVideoEncoder(
+            video_encoder_config_all_streams_);
         EXPECT_TRUE(Wait()) << "Timed out while waiting on additional SSRCs.";
       }
     }
@@ -2267,7 +2287,7 @@
     bool expect_single_ssrc_;
 
     VideoSendStream* send_stream_;
-    VideoEncoderConfig encoder_config_all_streams_;
+    VideoEncoderConfig video_encoder_config_all_streams_;
   } test(kSendSsrcs, num_ssrcs, send_single_ssrc_first);
 
   RunBaseTest(&test, FakeNetworkPipe::Config());
@@ -2283,15 +2303,16 @@
           send_stream_(nullptr),
           bitrate_kbps_(0) {}
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
     }
 
@@ -2516,9 +2537,10 @@
       return config;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->pre_encode_callback = this;  // Used to inject delay.
       expected_cname_ = send_config->rtp.c_name = "SomeCName";
 
@@ -2533,7 +2555,7 @@
 
     size_t GetNumStreams() const override { return kNumSsrcs; }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
@@ -2618,7 +2640,7 @@
           sent_rtp_(0) {}
 
    private:
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       receive_stream_ = receive_streams[0];
@@ -2694,9 +2716,10 @@
 
     size_t GetNumStreams() const override { return kNumSsrcs; }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       // Set low simulcast bitrates to not have to wait for bandwidth ramp-up.
       for (size_t i = 0; i < encoder_config->streams.size(); ++i) {
         encoder_config->streams[i].min_bitrate_bps = 10000;
@@ -2834,29 +2857,29 @@
 
   if (use_rtx) {
     for (size_t i = 0; i < kNumSsrcs; ++i) {
-      send_config_.rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[i]);
+      video_send_config_.rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[i]);
     }
-    send_config_.rtp.rtx.payload_type = kSendRtxPayloadType;
+    video_send_config_.rtp.rtx.payload_type = kSendRtxPayloadType;
   }
 
   // Lower bitrates so that all streams send initially.
-  for (size_t i = 0; i < encoder_config_.streams.size(); ++i) {
-    encoder_config_.streams[i].min_bitrate_bps = 10000;
-    encoder_config_.streams[i].target_bitrate_bps = 15000;
-    encoder_config_.streams[i].max_bitrate_bps = 20000;
+  for (size_t i = 0; i < video_encoder_config_.streams.size(); ++i) {
+    video_encoder_config_.streams[i].min_bitrate_bps = 10000;
+    video_encoder_config_.streams[i].target_bitrate_bps = 15000;
+    video_encoder_config_.streams[i].max_bitrate_bps = 20000;
   }
 
   // Use the same total bitrates when sending a single stream to avoid lowering
   // the bitrate estimate and requiring a subsequent rampup.
-  VideoEncoderConfig one_stream = encoder_config_;
+  VideoEncoderConfig one_stream = video_encoder_config_;
   one_stream.streams.resize(1);
-  for (size_t i = 1; i < encoder_config_.streams.size(); ++i) {
+  for (size_t i = 1; i < video_encoder_config_.streams.size(); ++i) {
     one_stream.streams.front().min_bitrate_bps +=
-        encoder_config_.streams[i].min_bitrate_bps;
+        video_encoder_config_.streams[i].min_bitrate_bps;
     one_stream.streams.front().target_bitrate_bps +=
-        encoder_config_.streams[i].target_bitrate_bps;
+        video_encoder_config_.streams[i].target_bitrate_bps;
     one_stream.streams.front().max_bitrate_bps +=
-        encoder_config_.streams[i].max_bitrate_bps;
+        video_encoder_config_.streams[i].max_bitrate_bps;
   }
 
   CreateMatchingReceiveConfigs(&receive_transport);
@@ -2872,12 +2895,12 @@
   // get set once (this could be due to using std::map::insert for instance).
   for (size_t i = 0; i < 3; ++i) {
     frame_generator_capturer_->Stop();
-    sender_call_->DestroyVideoSendStream(send_stream_);
+    sender_call_->DestroyVideoSendStream(video_send_stream_);
 
     // Re-create VideoSendStream with only one stream.
-    send_stream_ =
-        sender_call_->CreateVideoSendStream(send_config_, one_stream);
-    send_stream_->Start();
+    video_send_stream_ =
+        sender_call_->CreateVideoSendStream(video_send_config_, one_stream);
+    video_send_stream_->Start();
     CreateFrameGeneratorCapturer();
     frame_generator_capturer_->Start();
 
@@ -2885,18 +2908,18 @@
     EXPECT_TRUE(observer.Wait()) << "Timed out waiting for single RTP packet.";
 
     // Reconfigure back to use all streams.
-    send_stream_->ReconfigureVideoEncoder(encoder_config_);
+    video_send_stream_->ReconfigureVideoEncoder(video_encoder_config_);
     observer.ResetExpectedSsrcs(kNumSsrcs);
     EXPECT_TRUE(observer.Wait())
         << "Timed out waiting for all SSRCs to send packets.";
 
     // Reconfigure down to one stream.
-    send_stream_->ReconfigureVideoEncoder(one_stream);
+    video_send_stream_->ReconfigureVideoEncoder(one_stream);
     observer.ResetExpectedSsrcs(1);
     EXPECT_TRUE(observer.Wait()) << "Timed out waiting for single RTP packet.";
 
     // Reconfigure back to use all streams.
-    send_stream_->ReconfigureVideoEncoder(encoder_config_);
+    video_send_stream_->ReconfigureVideoEncoder(video_encoder_config_);
     observer.ResetExpectedSsrcs(kNumSsrcs);
     EXPECT_TRUE(observer.Wait())
         << "Timed out waiting for all SSRCs to send packets.";
@@ -2973,9 +2996,10 @@
       receiver_call_ = receiver_call;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
     }
 
@@ -3149,7 +3173,7 @@
   UnusedTransport transport;
   CreateSendConfig(1, &transport);
   UnusedEncoder unused_encoder;
-  send_config_.encoder_settings.encoder = &unused_encoder;
+  video_send_config_.encoder_settings.encoder = &unused_encoder;
   CreateStreams();
   CreateFrameGeneratorCapturer();
 
diff --git a/webrtc/video/video_quality_test.cc b/webrtc/video/video_quality_test.cc
index a94cb46..d09d2a2 100644
--- a/webrtc/video/video_quality_test.cc
+++ b/webrtc/video/video_quality_test.cc
@@ -794,36 +794,38 @@
     RTC_NOTREACHED() << "Codec not supported!";
     return;
   }
-  send_config_.encoder_settings.encoder = encoder_.get();
-  send_config_.encoder_settings.payload_name = params_.common.codec;
-  send_config_.encoder_settings.payload_type = payload_type;
-  send_config_.rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
-  send_config_.rtp.rtx.payload_type = kSendRtxPayloadType;
+  video_send_config_.encoder_settings.encoder = encoder_.get();
+  video_send_config_.encoder_settings.payload_name = params_.common.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)
-    send_config_.rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[i]);
+    video_send_config_.rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[i]);
 
-  send_config_.rtp.extensions.clear();
+  video_send_config_.rtp.extensions.clear();
   if (params_.common.send_side_bwe) {
-    send_config_.rtp.extensions.push_back(
+    video_send_config_.rtp.extensions.push_back(
         RtpExtension(RtpExtension::kTransportSequenceNumber,
                      test::kTransportSequenceNumberExtensionId));
   } else {
-    send_config_.rtp.extensions.push_back(RtpExtension(
+    video_send_config_.rtp.extensions.push_back(RtpExtension(
         RtpExtension::kAbsSendTime, test::kAbsSendTimeExtensionId));
   }
 
-  encoder_config_.min_transmit_bitrate_bps = params_.common.min_transmit_bps;
-  encoder_config_.streams = params_.ss.streams;
-  encoder_config_.spatial_layers = params_.ss.spatial_layers;
+  video_encoder_config_.min_transmit_bitrate_bps =
+      params_.common.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) {
-    receive_configs_[i].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
-    receive_configs_[i].rtp.rtx[kSendRtxPayloadType].ssrc = kSendRtxSsrcs[i];
-    receive_configs_[i].rtp.rtx[kSendRtxPayloadType].payload_type =
+    video_receive_configs_[i].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
+    video_receive_configs_[i].rtp.rtx[kSendRtxPayloadType].ssrc =
+        kSendRtxSsrcs[i];
+    video_receive_configs_[i].rtp.rtx[kSendRtxPayloadType].payload_type =
         kSendRtxPayloadType;
-    receive_configs_[i].rtp.transport_cc = params_.common.send_side_bwe;
+    video_receive_configs_[i].rtp.transport_cc = params_.common.send_side_bwe;
   }
 }
 
@@ -831,21 +833,21 @@
   RTC_CHECK(params_.screenshare.enabled);
 
   // Fill out codec settings.
-  encoder_config_.content_type = VideoEncoderConfig::ContentType::kScreen;
+  video_encoder_config_.content_type = VideoEncoderConfig::ContentType::kScreen;
   if (params_.common.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);
-    encoder_config_.encoder_specific_settings = &codec_settings_.VP8;
+    video_encoder_config_.encoder_specific_settings = &codec_settings_.VP8;
   } else if (params_.common.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);
-    encoder_config_.encoder_specific_settings = &codec_settings_.VP9;
+    video_encoder_config_.encoder_specific_settings = &codec_settings_.VP9;
     codec_settings_.VP9.numberOfSpatialLayers =
         static_cast<unsigned char>(params_.ss.num_spatial_layers);
   }
@@ -969,23 +971,23 @@
   recv_transport.SetReceiver(sender_call_->Receiver());
 
   SetupCommon(&analyzer, &recv_transport);
-  send_config_.encoding_time_observer = &analyzer;
-  receive_configs_[params_.ss.selected_stream].renderer = &analyzer;
-  for (auto& config : receive_configs_)
+  video_send_config_.encoding_time_observer = &analyzer;
+  video_receive_configs_[params_.ss.selected_stream].renderer = &analyzer;
+  for (auto& config : video_receive_configs_)
     config.pre_decode_callback = &analyzer;
 
   if (params_.screenshare.enabled)
     SetupScreenshare();
 
   CreateStreams();
-  analyzer.input_ = send_stream_->Input();
-  analyzer.send_stream_ = send_stream_;
+  analyzer.input_ = video_send_stream_->Input();
+  analyzer.send_stream_ = video_send_stream_;
 
   CreateCapturer(&analyzer);
 
-  send_stream_->Start();
-  for (size_t i = 0; i < receive_streams_.size(); ++i)
-    receive_streams_[i]->Start();
+  video_send_stream_->Start();
+  for (VideoReceiveStream* receive_stream : video_receive_streams_)
+    receive_stream->Start();
   capturer_->Start();
 
   analyzer.Wait();
@@ -994,9 +996,9 @@
   recv_transport.StopSending();
 
   capturer_->Stop();
-  for (size_t i = 0; i < receive_streams_.size(); ++i)
-    receive_streams_[i]->Stop();
-  send_stream_->Stop();
+  for (VideoReceiveStream* receive_stream : video_receive_streams_)
+    receive_stream->Stop();
+  video_send_stream_->Stop();
 
   DestroyStreams();
 
@@ -1040,29 +1042,30 @@
 
   SetupCommon(&transport, &transport);
 
-  send_config_.local_renderer = local_preview.get();
-  receive_configs_[stream_id].renderer = loopback_video.get();
+  video_send_config_.local_renderer = local_preview.get();
+  video_receive_configs_[stream_id].renderer = loopback_video.get();
 
   if (params_.screenshare.enabled)
     SetupScreenshare();
 
-  send_stream_ = call->CreateVideoSendStream(send_config_, encoder_config_);
+  video_send_stream_ =
+      call->CreateVideoSendStream(video_send_config_, video_encoder_config_);
   VideoReceiveStream* receive_stream =
-      call->CreateVideoReceiveStream(receive_configs_[stream_id]);
-  CreateCapturer(send_stream_->Input());
+      call->CreateVideoReceiveStream(video_receive_configs_[stream_id]);
+  CreateCapturer(video_send_stream_->Input());
 
   receive_stream->Start();
-  send_stream_->Start();
+  video_send_stream_->Start();
   capturer_->Start();
 
   test::PressEnterToContinue();
 
   capturer_->Stop();
-  send_stream_->Stop();
+  video_send_stream_->Stop();
   receive_stream->Stop();
 
   call->DestroyVideoReceiveStream(receive_stream);
-  call->DestroyVideoSendStream(send_stream_);
+  call->DestroyVideoSendStream(video_send_stream_);
 
   transport.StopSending();
 }
diff --git a/webrtc/video/video_send_stream_tests.cc b/webrtc/video/video_send_stream_tests.cc
index 3f14af2..f48f7b7 100644
--- a/webrtc/video/video_send_stream_tests.cc
+++ b/webrtc/video/video_send_stream_tests.cc
@@ -70,8 +70,8 @@
   test::NullTransport transport;
   CreateSendConfig(1, &transport);
   CreateStreams();
-  send_stream_->Start();
-  send_stream_->Start();
+  video_send_stream_->Start();
+  video_send_stream_->Start();
   DestroyStreams();
 }
 
@@ -82,8 +82,8 @@
   test::NullTransport transport;
   CreateSendConfig(1, &transport);
   CreateStreams();
-  send_stream_->Stop();
-  send_stream_->Stop();
+  video_send_stream_->Stop();
+  video_send_stream_->Stop();
   DestroyStreams();
 }
 
@@ -111,9 +111,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.c_name = kCName;
     }
 
@@ -146,9 +147,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->rtp.extensions.clear();
       send_config->rtp.extensions.push_back(RtpExtension(
           RtpExtension::kAbsSendTime, test::kAbsSendTimeExtensionId));
@@ -187,9 +189,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = &encoder_;
       send_config->rtp.extensions.clear();
       send_config->rtp.extensions.push_back(
@@ -230,9 +233,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = &encoder_;
       send_config->rtp.extensions.clear();
       send_config->rtp.extensions.push_back(
@@ -383,9 +387,10 @@
     return SEND_PACKET;
   }
 
-  void ModifyConfigs(VideoSendStream::Config* send_config,
-                     std::vector<VideoReceiveStream::Config>* receive_configs,
-                     VideoEncoderConfig* encoder_config) override {
+  void ModifyVideoConfigs(
+      VideoSendStream::Config* send_config,
+      std::vector<VideoReceiveStream::Config>* receive_configs,
+      VideoEncoderConfig* encoder_config) override {
     transport_adapter_.reset(
         new internal::TransportAdapter(send_config->send_transport));
     transport_adapter_->Enable();
@@ -482,9 +487,10 @@
       return SEND_PACKET;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       transport_adapter_.reset(
           new internal::TransportAdapter(send_config->send_transport));
       transport_adapter_->Enable();
@@ -666,9 +672,10 @@
       return config;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       transport_adapter_.reset(
           new internal::TransportAdapter(send_config->send_transport));
       transport_adapter_->Enable();
@@ -820,15 +827,16 @@
       high_remb_bps_ = value;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       stream_ = send_stream;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       transport_adapter_.reset(
           new internal::TransportAdapter(send_config->send_transport));
       transport_adapter_->Enable();
@@ -1010,7 +1018,7 @@
       return DROP_PACKET;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       stream_ = send_stream;
@@ -1021,9 +1029,10 @@
       rtp_rtcp_->SetRTCPStatus(RtcpMode::kReducedSize);
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       feedback_transport_.reset(
           new internal::TransportAdapter(send_config->send_transport));
       feedback_transport_->Enable();
@@ -1080,20 +1089,20 @@
 
   Call::Config::BitrateConfig bitrate_config;
   bitrate_config.start_bitrate_bps =
-      2 * encoder_config_.streams[0].max_bitrate_bps;
+      2 * video_encoder_config_.streams[0].max_bitrate_bps;
   sender_call_->SetBitrateConfig(bitrate_config);
 
   StartBitrateObserver encoder;
-  send_config_.encoder_settings.encoder = &encoder;
+  video_send_config_.encoder_settings.encoder = &encoder;
 
   CreateStreams();
 
-  EXPECT_EQ(encoder_config_.streams[0].max_bitrate_bps / 1000,
+  EXPECT_EQ(video_encoder_config_.streams[0].max_bitrate_bps / 1000,
             encoder.GetStartBitrateKbps());
 
-  encoder_config_.streams[0].max_bitrate_bps =
+  video_encoder_config_.streams[0].max_bitrate_bps =
       2 * bitrate_config.start_bitrate_bps;
-  send_stream_->ReconfigureVideoEncoder(encoder_config_);
+  video_send_stream_->ReconfigureVideoEncoder(video_encoder_config_);
 
   // New bitrate should be reconfigured above the previous max. As there's no
   // network connection this shouldn't be flaky, as no bitrate should've been
@@ -1138,14 +1147,14 @@
   test::NullTransport transport;
   CreateSendConfig(1, &transport);
   FrameObserver observer;
-  send_config_.pre_encode_callback = &observer;
+  video_send_config_.pre_encode_callback = &observer;
   CreateStreams();
 
   // Prepare five input frames. Send ordinary VideoFrame and texture frames
   // alternatively.
   std::vector<VideoFrame> input_frames;
-  int width = static_cast<int>(encoder_config_.streams[0].width);
-  int height = static_cast<int>(encoder_config_.streams[0].height);
+  int width = static_cast<int>(video_encoder_config_.streams[0].width);
+  int height = static_cast<int>(video_encoder_config_.streams[0].height);
   test::FakeNativeHandle* handle1 = new test::FakeNativeHandle();
   test::FakeNativeHandle* handle2 = new test::FakeNativeHandle();
   test::FakeNativeHandle* handle3 = new test::FakeNativeHandle();
@@ -1158,17 +1167,17 @@
   input_frames.push_back(test::CreateFakeNativeHandleFrame(
       handle3, width, height, 5, 5, kVideoRotation_0));
 
-  send_stream_->Start();
+  video_send_stream_->Start();
   for (size_t i = 0; i < input_frames.size(); i++) {
-    send_stream_->Input()->IncomingCapturedFrame(input_frames[i]);
+    video_send_stream_->Input()->IncomingCapturedFrame(input_frames[i]);
     // Do not send the next frame too fast, so the frame dropper won't drop it.
     if (i < input_frames.size() - 1)
-      SleepMs(1000 / encoder_config_.streams[0].max_framerate);
+      SleepMs(1000 / video_encoder_config_.streams[0].max_framerate);
     // Wait until the output frame is received before sending the next input
     // frame. Or the previous input frame may be replaced without delivering.
     observer.WaitOutputFrame();
   }
-  send_stream_->Stop();
+  video_send_stream_->Stop();
 
   // Test if the input and output frames are the same. render_time_ms and
   // timestamp are not compared because capturer sets those values.
@@ -1310,7 +1319,7 @@
       return 0;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       // Encoder initialization should be done in stream construction before
@@ -1319,9 +1328,10 @@
       stream_ = send_stream;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       encoder_config_ = *encoder_config;
     }
@@ -1365,14 +1375,15 @@
           num_initializations_(0) {}
 
    private:
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       encoder_config_ = *encoder_config;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       stream_ = send_stream;
@@ -1426,9 +1437,10 @@
   }
 
  private:
-  void ModifyConfigs(VideoSendStream::Config* send_config,
-                     std::vector<VideoReceiveStream::Config>* receive_configs,
-                     VideoEncoderConfig* encoder_config) override {
+  void ModifyVideoConfigs(
+      VideoSendStream::Config* send_config,
+      std::vector<VideoReceiveStream::Config>* receive_configs,
+      VideoEncoderConfig* encoder_config) override {
     send_config->encoder_settings.encoder = this;
     send_config->encoder_settings.payload_name = codec_name_;
 
@@ -1441,7 +1453,7 @@
     encoder_config_ = *encoder_config;
   }
 
-  void OnStreamsCreated(
+  void OnVideoStreamsCreated(
       VideoSendStream* send_stream,
       const std::vector<VideoReceiveStream*>& receive_streams) override {
     stream_ = send_stream;
@@ -1618,9 +1630,10 @@
       return test::FakeEncoder::InitEncode(
           config, number_of_cores, max_payload_size);
     }
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       EXPECT_EQ(1u, encoder_config->streams.size());
       EXPECT_TRUE(
@@ -1694,9 +1707,10 @@
       return config;
     }
 
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       // Set bitrates lower/higher than min/max to make sure they are properly
       // capped.
@@ -1709,7 +1723,7 @@
       call_ = sender_call;
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
@@ -1786,9 +1800,10 @@
       observation_complete_.Set();
       return 0;
     }
-    void ModifyConfigs(VideoSendStream::Config* send_config,
-                       std::vector<VideoReceiveStream::Config>* receive_configs,
-                       VideoEncoderConfig* encoder_config) override {
+    void ModifyVideoConfigs(
+        VideoSendStream::Config* send_config,
+        std::vector<VideoReceiveStream::Config>* receive_configs,
+        VideoEncoderConfig* encoder_config) override {
       send_config->encoder_settings.encoder = this;
       EXPECT_EQ(kNumStreams, encoder_config->streams.size());
     }
@@ -1812,7 +1827,7 @@
       }
     }
 
-    void OnStreamsCreated(
+    void OnVideoStreamsCreated(
         VideoSendStream* send_stream,
         const std::vector<VideoReceiveStream*>& receive_streams) override {
       send_stream_ = send_stream;
@@ -1833,7 +1848,7 @@
         packets_sent_(0),
         frames_sent_(0) {}
 
-  virtual void ModifyConfigsHook(
+  virtual void ModifyVideoConfigsHook(
       VideoSendStream::Config* send_config,
       std::vector<VideoReceiveStream::Config>* receive_configs,
       VideoEncoderConfig* encoder_config) {}
@@ -1843,14 +1858,15 @@
  private:
   const int kVp9PayloadType = 105;
 
-  void ModifyConfigs(VideoSendStream::Config* send_config,
-                     std::vector<VideoReceiveStream::Config>* receive_configs,
-                     VideoEncoderConfig* encoder_config) override {
+  void ModifyVideoConfigs(
+      VideoSendStream::Config* send_config,
+      std::vector<VideoReceiveStream::Config>* receive_configs,
+      VideoEncoderConfig* encoder_config) override {
     encoder_config->encoder_specific_settings = &vp9_settings_;
     send_config->encoder_settings.encoder = vp9_encoder_.get();
     send_config->encoder_settings.payload_name = "VP9";
     send_config->encoder_settings.payload_type = kVp9PayloadType;
-    ModifyConfigsHook(send_config, receive_configs, encoder_config);
+    ModifyVideoConfigsHook(send_config, receive_configs, encoder_config);
     EXPECT_EQ(1u, encoder_config->streams.size());
     encoder_config->streams[0].temporal_layer_thresholds_bps.resize(
         vp9_settings_.numberOfTemporalLayers - 1);
@@ -2141,7 +2157,7 @@
         : num_temporal_layers_(num_temporal_layers),
           num_spatial_layers_(num_spatial_layers),
           l_field_(num_temporal_layers > 1 || num_spatial_layers > 1) {}
-    void ModifyConfigsHook(
+    void ModifyVideoConfigsHook(
         VideoSendStream::Config* send_config,
         std::vector<VideoReceiveStream::Config>* receive_configs,
         VideoEncoderConfig* encoder_config) override {
@@ -2181,7 +2197,7 @@
 
 TEST_F(VideoSendStreamTest, Vp9FlexModeRefCount) {
   class FlexibleMode : public Vp9HeaderObserver {
-    void ModifyConfigsHook(
+    void ModifyVideoConfigsHook(
         VideoSendStream::Config* send_config,
         std::vector<VideoReceiveStream::Config>* receive_configs,
         VideoEncoderConfig* encoder_config) override {
diff --git a/webrtc/webrtc_tests.gypi b/webrtc/webrtc_tests.gypi
index 31d23ba..e0bf276 100644
--- a/webrtc/webrtc_tests.gypi
+++ b/webrtc/webrtc_tests.gypi
@@ -219,12 +219,12 @@
       'type': '<(gtest_target_type)',
       'sources': [
         'call/call_perf_tests.cc',
+        'call/rampup_tests.cc',
+        'call/rampup_tests.h',
         'modules/audio_coding/neteq/test/neteq_performance_unittest.cc',
         'modules/audio_processing/audio_processing_performance_unittest.cc',
         'modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc',
         'video/full_stack.cc',
-        'video/rampup_tests.cc',
-        'video/rampup_tests.h',
       ],
       'dependencies': [
         '<(DEPTH)/testing/gmock.gyp:gmock',