Rename PayloadRouter to RtpVideoSender.

Bug: webrtc:9517
Change-Id: I18397a28067dbe5029fc80fe2eef360869abb339
Reviewed-on: https://webrtc-review.googlesource.com/89380
Commit-Queue: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24039}
diff --git a/call/BUILD.gn b/call/BUILD.gn
index 7204dcc..afba0a4 100644
--- a/call/BUILD.gn
+++ b/call/BUILD.gn
@@ -100,13 +100,13 @@
 
 rtc_source_set("rtp_sender") {
   sources = [
-    "payload_router.cc",
-    "payload_router.h",
     "rtp_payload_params.cc",
     "rtp_payload_params.h",
     "rtp_transport_controller_send.cc",
     "rtp_transport_controller_send.h",
-    "video_rtp_sender_interface.h",
+    "rtp_video_sender.cc",
+    "rtp_video_sender.h",
+    "rtp_video_sender_interface.h",
   ]
   deps = [
     ":bitrate_configurator",
@@ -284,13 +284,13 @@
       "bitrate_estimator_tests.cc",
       "call_unittest.cc",
       "flexfec_receive_stream_unittest.cc",
-      "payload_router_unittest.cc",
       "receive_time_calculator_unittest.cc",
       "rtcp_demuxer_unittest.cc",
       "rtp_bitrate_configurator_unittest.cc",
       "rtp_demuxer_unittest.cc",
       "rtp_payload_params_unittest.cc",
       "rtp_rtcp_demuxer_helper_unittest.cc",
+      "rtp_video_sender_unittest.cc",
       "rtx_receive_stream_unittest.cc",
     ]
     deps = [
diff --git a/call/rtp_payload_params_unittest.cc b/call/rtp_payload_params_unittest.cc
index cdfbc70..96aa591 100644
--- a/call/rtp_payload_params_unittest.cc
+++ b/call/rtp_payload_params_unittest.cc
@@ -10,7 +10,7 @@
 
 #include <memory>
 
-#include "call/payload_router.h"
+#include "call/rtp_payload_params.h"
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "test/gtest.h"
 
diff --git a/call/rtp_transport_controller_send.cc b/call/rtp_transport_controller_send.cc
index ed01815..b0dd8d8 100644
--- a/call/rtp_transport_controller_send.cc
+++ b/call/rtp_transport_controller_send.cc
@@ -84,7 +84,7 @@
   process_thread_->DeRegisterModule(&pacer_);
 }
 
-VideoRtpSenderInterface* RtpTransportControllerSend::CreateVideoRtpSender(
+RtpVideoSenderInterface* RtpTransportControllerSend::CreateRtpVideoSender(
     const std::vector<uint32_t>& ssrcs,
     std::map<uint32_t, RtpState> suspended_ssrcs,
     const std::map<uint32_t, RtpPayloadState>& states,
@@ -93,7 +93,7 @@
     Transport* send_transport,
     const RtpSenderObservers& observers,
     RtcEventLog* event_log) {
-  video_rtp_senders_.push_back(absl::make_unique<PayloadRouter>(
+  video_rtp_senders_.push_back(absl::make_unique<RtpVideoSender>(
       ssrcs, suspended_ssrcs, states, rtp_config, rtcp_config, send_transport,
       observers,
       // TODO(holmer): Remove this circular dependency by injecting
@@ -102,9 +102,9 @@
   return video_rtp_senders_.back().get();
 }
 
-void RtpTransportControllerSend::DestroyVideoRtpSender(
-    VideoRtpSenderInterface* rtp_video_sender) {
-  std::vector<std::unique_ptr<VideoRtpSenderInterface>>::iterator it =
+void RtpTransportControllerSend::DestroyRtpVideoSender(
+    RtpVideoSenderInterface* rtp_video_sender) {
+  std::vector<std::unique_ptr<RtpVideoSenderInterface>>::iterator it =
       video_rtp_senders_.end();
   for (it = video_rtp_senders_.begin(); it != video_rtp_senders_.end(); ++it) {
     if (it->get() == rtp_video_sender) {
diff --git a/call/rtp_transport_controller_send.h b/call/rtp_transport_controller_send.h
index f120ce0..496a00e 100644
--- a/call/rtp_transport_controller_send.h
+++ b/call/rtp_transport_controller_send.h
@@ -17,9 +17,9 @@
 #include <vector>
 
 #include "api/transport/network_control.h"
-#include "call/payload_router.h"
 #include "call/rtp_bitrate_configurator.h"
 #include "call/rtp_transport_controller_send_interface.h"
+#include "call/rtp_video_sender.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/congestion_controller/include/send_side_congestion_controller_interface.h"
 #include "modules/pacing/packet_router.h"
@@ -46,7 +46,7 @@
       const BitrateConstraints& bitrate_config);
   ~RtpTransportControllerSend() override;
 
-  VideoRtpSenderInterface* CreateVideoRtpSender(
+  RtpVideoSenderInterface* CreateRtpVideoSender(
       const std::vector<uint32_t>& ssrcs,
       std::map<uint32_t, RtpState> suspended_ssrcs,
       const std::map<uint32_t, RtpPayloadState>&
@@ -56,8 +56,8 @@
       Transport* send_transport,
       const RtpSenderObservers& observers,
       RtcEventLog* event_log) override;
-  void DestroyVideoRtpSender(
-      VideoRtpSenderInterface* rtp_video_sender) override;
+  void DestroyRtpVideoSender(
+      RtpVideoSenderInterface* rtp_video_sender) override;
 
   // Implements NetworkChangedObserver interface.
   void OnNetworkChanged(uint32_t bitrate_bps,
@@ -105,7 +105,7 @@
  private:
   const Clock* const clock_;
   PacketRouter packet_router_;
-  std::vector<std::unique_ptr<VideoRtpSenderInterface>> video_rtp_senders_;
+  std::vector<std::unique_ptr<RtpVideoSenderInterface>> video_rtp_senders_;
   PacedSender pacer_;
   RtpKeepAliveConfig keepalive_;
   RtpBitrateConfigurator bitrate_configurator_;
diff --git a/call/rtp_transport_controller_send_interface.h b/call/rtp_transport_controller_send_interface.h
index b9e84ae..828fec4 100644
--- a/call/rtp_transport_controller_send_interface.h
+++ b/call/rtp_transport_controller_send_interface.h
@@ -39,7 +39,7 @@
 class PacedSender;
 class PacketFeedbackObserver;
 class PacketRouter;
-class VideoRtpSenderInterface;
+class RtpVideoSenderInterface;
 class RateLimiter;
 class RtcpBandwidthObserver;
 class RtpPacketSender;
@@ -90,7 +90,7 @@
   virtual rtc::TaskQueue* GetWorkerQueue() = 0;
   virtual PacketRouter* packet_router() = 0;
 
-  virtual VideoRtpSenderInterface* CreateVideoRtpSender(
+  virtual RtpVideoSenderInterface* CreateRtpVideoSender(
       const std::vector<uint32_t>& ssrcs,
       std::map<uint32_t, RtpState> suspended_ssrcs,
       // TODO(holmer): Move states into RtpTransportControllerSend.
@@ -100,8 +100,8 @@
       Transport* send_transport,
       const RtpSenderObservers& observers,
       RtcEventLog* event_log) = 0;
-  virtual void DestroyVideoRtpSender(
-      VideoRtpSenderInterface* rtp_video_sender) = 0;
+  virtual void DestroyRtpVideoSender(
+      RtpVideoSenderInterface* rtp_video_sender) = 0;
 
   virtual TransportFeedbackObserver* transport_feedback_observer() = 0;
 
diff --git a/call/payload_router.cc b/call/rtp_video_sender.cc
similarity index 90%
rename from call/payload_router.cc
rename to call/rtp_video_sender.cc
index 4e7d13e..a7a5770 100644
--- a/call/payload_router.cc
+++ b/call/rtp_video_sender.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "call/payload_router.h"
+#include "call/rtp_video_sender.h"
 
 #include <memory>
 #include <string>
@@ -161,16 +161,17 @@
 }
 }  // namespace
 
-PayloadRouter::PayloadRouter(const std::vector<uint32_t>& ssrcs,
-                             std::map<uint32_t, RtpState> suspended_ssrcs,
-                             const std::map<uint32_t, RtpPayloadState>& states,
-                             const RtpConfig& rtp_config,
-                             const RtcpConfig& rtcp_config,
-                             Transport* send_transport,
-                             const RtpSenderObservers& observers,
-                             RtpTransportControllerSendInterface* transport,
-                             RtcEventLog* event_log,
-                             RateLimiter* retransmission_limiter)
+RtpVideoSender::RtpVideoSender(
+    const std::vector<uint32_t>& ssrcs,
+    std::map<uint32_t, RtpState> suspended_ssrcs,
+    const std::map<uint32_t, RtpPayloadState>& states,
+    const RtpConfig& rtp_config,
+    const RtcpConfig& rtcp_config,
+    Transport* send_transport,
+    const RtpSenderObservers& observers,
+    RtpTransportControllerSendInterface* transport,
+    RtcEventLog* event_log,
+    RateLimiter* retransmission_limiter)
     : active_(false),
       module_process_thread_(nullptr),
       suspended_ssrcs_(std::move(suspended_ssrcs)),
@@ -254,13 +255,13 @@
   }
 }
 
-PayloadRouter::~PayloadRouter() {
+RtpVideoSender::~RtpVideoSender() {
   for (auto& rtp_rtcp : rtp_modules_) {
     transport_->packet_router()->RemoveSendRtpModule(rtp_rtcp.get());
   }
 }
 
-void PayloadRouter::RegisterProcessThread(
+void RtpVideoSender::RegisterProcessThread(
     ProcessThread* module_process_thread) {
   RTC_DCHECK_RUN_ON(&module_process_thread_checker_);
   RTC_DCHECK(!module_process_thread_);
@@ -270,13 +271,13 @@
     module_process_thread_->RegisterModule(rtp_rtcp.get(), RTC_FROM_HERE);
 }
 
-void PayloadRouter::DeRegisterProcessThread() {
+void RtpVideoSender::DeRegisterProcessThread() {
   RTC_DCHECK_RUN_ON(&module_process_thread_checker_);
   for (auto& rtp_rtcp : rtp_modules_)
     module_process_thread_->DeRegisterModule(rtp_rtcp.get());
 }
 
-void PayloadRouter::SetActive(bool active) {
+void RtpVideoSender::SetActive(bool active) {
   rtc::CritScope lock(&crit_);
   if (active_ == active)
     return;
@@ -284,7 +285,7 @@
   SetActiveModules(active_modules);
 }
 
-void PayloadRouter::SetActiveModules(const std::vector<bool> active_modules) {
+void RtpVideoSender::SetActiveModules(const std::vector<bool> active_modules) {
   rtc::CritScope lock(&crit_);
   RTC_DCHECK_EQ(rtp_modules_.size(), active_modules.size());
   active_ = false;
@@ -299,12 +300,12 @@
   }
 }
 
-bool PayloadRouter::IsActive() {
+bool RtpVideoSender::IsActive() {
   rtc::CritScope lock(&crit_);
   return active_ && !rtp_modules_.empty();
 }
 
-EncodedImageCallback::Result PayloadRouter::OnEncodedImage(
+EncodedImageCallback::Result RtpVideoSender::OnEncodedImage(
     const EncodedImage& encoded_image,
     const CodecSpecificInfo* codec_specific_info,
     const RTPFragmentationHeader* fragmentation) {
@@ -334,7 +335,7 @@
   return Result(Result::OK, frame_id);
 }
 
-void PayloadRouter::OnBitrateAllocationUpdated(
+void RtpVideoSender::OnBitrateAllocationUpdated(
     const VideoBitrateAllocation& bitrate) {
   rtc::CritScope lock(&crit_);
   if (IsActive()) {
@@ -357,7 +358,7 @@
   }
 }
 
-void PayloadRouter::ConfigureProtection(const RtpConfig& rtp_config) {
+void RtpVideoSender::ConfigureProtection(const RtpConfig& rtp_config) {
   // Consistency of FlexFEC parameters is checked in MaybeCreateFlexfecSender.
   const bool flexfec_enabled = (flexfec_sender_ != nullptr);
 
@@ -416,28 +417,28 @@
   }
 }
 
-bool PayloadRouter::FecEnabled() const {
+bool RtpVideoSender::FecEnabled() const {
   const bool flexfec_enabled = (flexfec_sender_ != nullptr);
   int ulpfec_payload_type = rtp_config_.ulpfec.ulpfec_payload_type;
   return flexfec_enabled || ulpfec_payload_type >= 0;
 }
 
-bool PayloadRouter::NackEnabled() const {
+bool RtpVideoSender::NackEnabled() const {
   const bool nack_enabled = rtp_config_.nack.rtp_history_ms > 0;
   return nack_enabled;
 }
 
-void PayloadRouter::DeliverRtcp(const uint8_t* packet, size_t length) {
+void RtpVideoSender::DeliverRtcp(const uint8_t* packet, size_t length) {
   // Runs on a network thread.
   for (auto& rtp_rtcp : rtp_modules_)
     rtp_rtcp->IncomingRtcpPacket(packet, length);
 }
 
-void PayloadRouter::ProtectionRequest(const FecProtectionParams* delta_params,
-                                      const FecProtectionParams* key_params,
-                                      uint32_t* sent_video_rate_bps,
-                                      uint32_t* sent_nack_rate_bps,
-                                      uint32_t* sent_fec_rate_bps) {
+void RtpVideoSender::ProtectionRequest(const FecProtectionParams* delta_params,
+                                       const FecProtectionParams* key_params,
+                                       uint32_t* sent_video_rate_bps,
+                                       uint32_t* sent_nack_rate_bps,
+                                       uint32_t* sent_fec_rate_bps) {
   *sent_video_rate_bps = 0;
   *sent_nack_rate_bps = 0;
   *sent_fec_rate_bps = 0;
@@ -455,13 +456,13 @@
   }
 }
 
-void PayloadRouter::SetMaxRtpPacketSize(size_t max_rtp_packet_size) {
+void RtpVideoSender::SetMaxRtpPacketSize(size_t max_rtp_packet_size) {
   for (auto& rtp_rtcp : rtp_modules_) {
     rtp_rtcp->SetMaxRtpPacketSize(max_rtp_packet_size);
   }
 }
 
-void PayloadRouter::ConfigureSsrcs(const RtpConfig& rtp_config) {
+void RtpVideoSender::ConfigureSsrcs(const RtpConfig& rtp_config) {
   // Configure regular SSRCs.
   for (size_t i = 0; i < rtp_config.ssrcs.size(); ++i) {
     uint32_t ssrc = rtp_config.ssrcs[i];
@@ -505,14 +506,14 @@
   }
 }
 
-void PayloadRouter::OnNetworkAvailability(bool network_available) {
+void RtpVideoSender::OnNetworkAvailability(bool network_available) {
   for (auto& rtp_rtcp : rtp_modules_) {
     rtp_rtcp->SetRTCPStatus(network_available ? rtp_config_.rtcp_mode
                                               : RtcpMode::kOff);
   }
 }
 
-std::map<uint32_t, RtpState> PayloadRouter::GetRtpStates() const {
+std::map<uint32_t, RtpState> RtpVideoSender::GetRtpStates() const {
   std::map<uint32_t, RtpState> rtp_states;
 
   for (size_t i = 0; i < rtp_config_.ssrcs.size(); ++i) {
@@ -534,7 +535,8 @@
   return rtp_states;
 }
 
-std::map<uint32_t, RtpPayloadState> PayloadRouter::GetRtpPayloadStates() const {
+std::map<uint32_t, RtpPayloadState> RtpVideoSender::GetRtpPayloadStates()
+    const {
   rtc::CritScope lock(&crit_);
   std::map<uint32_t, RtpPayloadState> payload_states;
   for (const auto& param : params_) {
diff --git a/call/payload_router.h b/call/rtp_video_sender.h
similarity index 90%
rename from call/payload_router.h
rename to call/rtp_video_sender.h
index cb43f27..5c56753 100644
--- a/call/payload_router.h
+++ b/call/rtp_video_sender.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef CALL_PAYLOAD_ROUTER_H_
-#define CALL_PAYLOAD_ROUTER_H_
+#ifndef CALL_RTP_VIDEO_SENDER_H_
+#define CALL_RTP_VIDEO_SENDER_H_
 
 #include <map>
 #include <memory>
@@ -20,7 +20,7 @@
 #include "call/rtp_config.h"
 #include "call/rtp_payload_params.h"
 #include "call/rtp_transport_controller_send_interface.h"
-#include "call/video_rtp_sender_interface.h"
+#include "call/rtp_video_sender_interface.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "logging/rtc_event_log/rtc_event_log.h"
 #include "modules/rtp_rtcp/include/flexfec_sender.h"
@@ -38,12 +38,12 @@
 class RtpRtcp;
 class RtpTransportControllerSendInterface;
 
-// PayloadRouter routes outgoing data to the correct sending RTP module, based
+// RtpVideoSender routes outgoing data to the correct sending RTP module, based
 // on the simulcast layer in RTPVideoHeader.
-class PayloadRouter : public VideoRtpSenderInterface {
+class RtpVideoSender : public RtpVideoSenderInterface {
  public:
   // Rtp modules are assumed to be sorted in simulcast index order.
-  PayloadRouter(
+  RtpVideoSender(
       const std::vector<uint32_t>& ssrcs,
       std::map<uint32_t, RtpState> suspended_ssrcs,
       const std::map<uint32_t, RtpPayloadState>& states,
@@ -54,7 +54,7 @@
       RtpTransportControllerSendInterface* transport,
       RtcEventLog* event_log,
       RateLimiter* retransmission_limiter);  // move inside RtpTransport
-  ~PayloadRouter() override;
+  ~RtpVideoSender() override;
 
   // RegisterProcessThread register |module_process_thread| with those objects
   // that use it. Registration has to happen on the thread were
@@ -64,7 +64,7 @@
   void RegisterProcessThread(ProcessThread* module_process_thread) override;
   void DeRegisterProcessThread() override;
 
-  // PayloadRouter will only route packets if being active, all packets will be
+  // RtpVideoSender will only route packets if being active, all packets will be
   // dropped otherwise.
   void SetActive(bool active) override;
   // Sets the sending status of the rtp modules and appropriately sets the
@@ -120,9 +120,9 @@
 
   std::vector<RtpPayloadParams> params_ RTC_GUARDED_BY(crit_);
 
-  RTC_DISALLOW_COPY_AND_ASSIGN(PayloadRouter);
+  RTC_DISALLOW_COPY_AND_ASSIGN(RtpVideoSender);
 };
 
 }  // namespace webrtc
 
-#endif  // CALL_PAYLOAD_ROUTER_H_
+#endif  // CALL_RTP_VIDEO_SENDER_H_
diff --git a/call/video_rtp_sender_interface.h b/call/rtp_video_sender_interface.h
similarity index 84%
rename from call/video_rtp_sender_interface.h
rename to call/rtp_video_sender_interface.h
index 0d47845..c69f1ba 100644
--- a/call/video_rtp_sender_interface.h
+++ b/call/rtp_video_sender_interface.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef CALL_VIDEO_RTP_SENDER_INTERFACE_H_
-#define CALL_VIDEO_RTP_SENDER_INTERFACE_H_
+#ifndef CALL_RTP_VIDEO_SENDER_INTERFACE_H_
+#define CALL_RTP_VIDEO_SENDER_INTERFACE_H_
 
 #include <map>
 #include <vector>
@@ -23,16 +23,16 @@
 class VideoBitrateAllocation;
 struct FecProtectionParams;
 
-class VideoRtpSenderInterface : public EncodedImageCallback {
+class RtpVideoSenderInterface : public EncodedImageCallback {
  public:
   virtual void RegisterProcessThread(ProcessThread* module_process_thread) = 0;
   virtual void DeRegisterProcessThread() = 0;
 
-  // PayloadRouter will only route packets if being active, all packets will be
-  // dropped otherwise.
+  // RtpVideoSender will only route packets if being active, all
+  // packets will be dropped otherwise.
   virtual void SetActive(bool active) = 0;
   // Sets the sending status of the rtp modules and appropriately sets the
-  // payload router to active if any rtp modules are active.
+  // RtpVideoSender to active if any rtp modules are active.
   virtual void SetActiveModules(const std::vector<bool> active_modules) = 0;
   virtual bool IsActive() = 0;
 
@@ -57,4 +57,4 @@
       const VideoBitrateAllocation& bitrate) = 0;
 };
 }  // namespace webrtc
-#endif  // CALL_VIDEO_RTP_SENDER_INTERFACE_H_
+#endif  // CALL_RTP_VIDEO_SENDER_INTERFACE_H_
diff --git a/call/payload_router_unittest.cc b/call/rtp_video_sender_unittest.cc
similarity index 92%
rename from call/payload_router_unittest.cc
rename to call/rtp_video_sender_unittest.cc
index c02bad9..45f8149 100644
--- a/call/payload_router_unittest.cc
+++ b/call/rtp_video_sender_unittest.cc
@@ -11,8 +11,8 @@
 #include <memory>
 #include <string>
 
-#include "call/payload_router.h"
 #include "call/rtp_transport_controller_send.h"
+#include "call/rtp_video_sender.h"
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "rtc_base/rate_limiter.h"
 #include "test/field_trial.h"
@@ -85,9 +85,9 @@
   return observers;
 }
 
-class PayloadRouterTestFixture {
+class RtpVideoSenderTestFixture {
  public:
-  PayloadRouterTestFixture(
+  RtpVideoSenderTestFixture(
       const std::vector<uint32_t>& ssrcs,
       int payload_type,
       const std::map<uint32_t, RtpPayloadState>& suspended_payload_states)
@@ -106,7 +106,7 @@
     }
     config_.rtp.payload_type = payload_type;
     std::map<uint32_t, RtpState> suspended_ssrcs;
-    router_ = absl::make_unique<PayloadRouter>(
+    router_ = absl::make_unique<RtpVideoSender>(
         config_.rtp.ssrcs, suspended_ssrcs, suspended_payload_states,
         config_.rtp, config_.rtcp, &transport_,
         CreateObservers(&call_stats_, &encoder_feedback_, &stats_proxy_,
@@ -116,7 +116,7 @@
         &transport_controller_, &event_log_, &retransmission_rate_limiter_);
   }
 
-  PayloadRouter* router() { return router_.get(); }
+  RtpVideoSender* router() { return router_.get(); }
 
  private:
   NiceMock<MockTransport> transport_;
@@ -133,11 +133,11 @@
   CallStats call_stats_;
   SendStatisticsProxy stats_proxy_;
   RateLimiter retransmission_rate_limiter_;
-  std::unique_ptr<PayloadRouter> router_;
+  std::unique_ptr<RtpVideoSender> router_;
 };
 }  // namespace
 
-TEST(PayloadRouterTest, SendOnOneModule) {
+TEST(RtpVideoSenderTest, SendOnOneModule) {
   uint8_t payload = 'a';
   EncodedImage encoded_image;
   encoded_image._timeStamp = 1;
@@ -146,7 +146,7 @@
   encoded_image._buffer = &payload;
   encoded_image._length = 1;
 
-  PayloadRouterTestFixture test({kSsrc1}, kPayloadType, {});
+  RtpVideoSenderTestFixture test({kSsrc1}, kPayloadType, {});
   EXPECT_NE(
       EncodedImageCallback::Result::OK,
       test.router()->OnEncodedImage(encoded_image, nullptr, nullptr).error);
@@ -167,7 +167,7 @@
       test.router()->OnEncodedImage(encoded_image, nullptr, nullptr).error);
 }
 
-TEST(PayloadRouterTest, SendSimulcastSetActive) {
+TEST(RtpVideoSenderTest, SendSimulcastSetActive) {
   uint8_t payload = 'a';
   EncodedImage encoded_image;
   encoded_image._timeStamp = 1;
@@ -176,7 +176,7 @@
   encoded_image._buffer = &payload;
   encoded_image._length = 1;
 
-  PayloadRouterTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
+  RtpVideoSenderTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
 
   CodecSpecificInfo codec_info_1;
   memset(&codec_info_1, 0, sizeof(CodecSpecificInfo));
@@ -214,7 +214,7 @@
 // behavior of the payload router. First sets one module to active and checks
 // that outgoing data can be sent on this module, and checks that no data can
 // be sent if both modules are inactive.
-TEST(PayloadRouterTest, SendSimulcastSetActiveModules) {
+TEST(RtpVideoSenderTest, SendSimulcastSetActiveModules) {
   uint8_t payload = 'a';
   EncodedImage encoded_image;
   encoded_image._timeStamp = 1;
@@ -223,7 +223,7 @@
   encoded_image._buffer = &payload;
   encoded_image._length = 1;
 
-  PayloadRouterTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
+  RtpVideoSenderTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
   CodecSpecificInfo codec_info_1;
   memset(&codec_info_1, 0, sizeof(CodecSpecificInfo));
   codec_info_1.codecType = kVideoCodecVP8;
@@ -258,8 +258,8 @@
                 .error);
 }
 
-TEST(PayloadRouterTest, CreateWithNoPreviousStates) {
-  PayloadRouterTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
+TEST(RtpVideoSenderTest, CreateWithNoPreviousStates) {
+  RtpVideoSenderTestFixture test({kSsrc1, kSsrc2}, kPayloadType, {});
   test.router()->SetActive(true);
 
   std::map<uint32_t, RtpPayloadState> initial_states =
@@ -269,7 +269,7 @@
   EXPECT_NE(initial_states.find(kSsrc2), initial_states.end());
 }
 
-TEST(PayloadRouterTest, CreateWithPreviousStates) {
+TEST(RtpVideoSenderTest, CreateWithPreviousStates) {
   RtpPayloadState state1;
   state1.picture_id = kInitialPictureId1;
   state1.tl0_pic_idx = kInitialTl0PicIdx1;
@@ -279,7 +279,7 @@
   std::map<uint32_t, RtpPayloadState> states = {{kSsrc1, state1},
                                                 {kSsrc2, state2}};
 
-  PayloadRouterTestFixture test({kSsrc1, kSsrc2}, kPayloadType, states);
+  RtpVideoSenderTestFixture test({kSsrc1, kSsrc2}, kPayloadType, states);
   test.router()->SetActive(true);
 
   std::map<uint32_t, RtpPayloadState> initial_states =
diff --git a/call/test/mock_rtp_transport_controller_send.h b/call/test/mock_rtp_transport_controller_send.h
index 1939c1e..828b030 100644
--- a/call/test/mock_rtp_transport_controller_send.h
+++ b/call/test/mock_rtp_transport_controller_send.h
@@ -30,8 +30,8 @@
     : public RtpTransportControllerSendInterface {
  public:
   MOCK_METHOD8(
-      CreateVideoRtpSender,
-      VideoRtpSenderInterface*(const std::vector<uint32_t>&,
+      CreateRtpVideoSender,
+      RtpVideoSenderInterface*(const std::vector<uint32_t>&,
                                std::map<uint32_t, RtpState>,
                                const std::map<uint32_t, RtpPayloadState>&,
                                const RtpConfig&,
@@ -39,7 +39,7 @@
                                Transport*,
                                const RtpSenderObservers&,
                                RtcEventLog*));
-  MOCK_METHOD1(DestroyVideoRtpSender, void(VideoRtpSenderInterface*));
+  MOCK_METHOD1(DestroyRtpVideoSender, void(RtpVideoSenderInterface*));
   MOCK_METHOD0(GetWorkerQueue, rtc::TaskQueue*());
   MOCK_METHOD0(packet_router, PacketRouter*());
   MOCK_METHOD0(transport_feedback_observer, TransportFeedbackObserver*());
diff --git a/call/video_send_stream.h b/call/video_send_stream.h
index eada8fe..428ae20 100644
--- a/call/video_send_stream.h
+++ b/call/video_send_stream.h
@@ -17,8 +17,6 @@
 #include <vector>
 
 #include "api/call/transport.h"
-#include "api/rtp_headers.h"
-#include "api/rtpparameters.h"
 #include "api/video/video_sink_interface.h"
 #include "api/video/video_source_interface.h"
 #include "api/video_codecs/video_encoder_config.h"
diff --git a/video/video_send_stream.h b/video/video_send_stream.h
index b0e4071..69c2401 100644
--- a/video/video_send_stream.h
+++ b/video/video_send_stream.h
@@ -17,7 +17,6 @@
 
 #include "api/fec_controller.h"
 #include "call/bitrate_allocator.h"
-#include "call/payload_router.h"
 #include "call/video_receive_stream.h"
 #include "call/video_send_stream.h"
 #include "common_video/libyuv/include/webrtc_libyuv.h"
diff --git a/video/video_send_stream_impl.cc b/video/video_send_stream_impl.cc
index 303dc54..f660725 100644
--- a/video/video_send_stream_impl.cc
+++ b/video/video_send_stream_impl.cc
@@ -111,16 +111,7 @@
   return static_cast<int>((bitrate_bps + packet_size_bits - 1) /
                           packet_size_bits);
 }
-// call_stats,
-//  &encoder_feedback_,
-//  stats_proxy_,
-//  stats_proxy_,
-//  stats_proxy_,
-//  stats_proxy_,
-//  stats_proxy_,
-//  stats_proxy_,
-//  send_delay_stats,
-//  this
+
 RtpSenderObservers CreateObservers(CallStats* call_stats,
                                    EncoderRtcpFeedback* encoder_feedback,
                                    SendStatisticsProxy* stats_proxy,
@@ -229,8 +220,8 @@
                         config_->rtp.ssrcs,
                         video_stream_encoder),
       bandwidth_observer_(transport->GetBandwidthObserver()),
-      payload_router_(
-          transport_->CreateVideoRtpSender(config_->rtp.ssrcs,
+      rtp_video_sender_(
+          transport_->CreateRtpVideoSender(config_->rtp.ssrcs,
                                            suspended_ssrcs,
                                            suspended_payload_states,
                                            config_->rtp,
@@ -304,8 +295,8 @@
 
   // Currently, both ULPFEC and FlexFEC use the same FEC rate calculation logic,
   // so enable that logic if either of those FEC schemes are enabled.
-  fec_controller_->SetProtectionMethod(payload_router_->FecEnabled(),
-                                       payload_router_->NackEnabled());
+  fec_controller_->SetProtectionMethod(rtp_video_sender_->FecEnabled(),
+                                       rtp_video_sender_->NackEnabled());
 
   fec_controller_->SetProtectionCallback(this);
   // Signal congestion controller this object is ready for OnPacket* callbacks.
@@ -335,28 +326,28 @@
 
 VideoSendStreamImpl::~VideoSendStreamImpl() {
   RTC_DCHECK_RUN_ON(worker_queue_);
-  RTC_DCHECK(!payload_router_->IsActive())
+  RTC_DCHECK(!rtp_video_sender_->IsActive())
       << "VideoSendStreamImpl::Stop not called";
   RTC_LOG(LS_INFO) << "~VideoSendStreamInternal: " << config_->ToString();
   if (fec_controller_->UseLossVectorMask()) {
     transport_->DeRegisterPacketFeedbackObserver(this);
   }
-  transport_->DestroyVideoRtpSender(payload_router_);
+  transport_->DestroyRtpVideoSender(rtp_video_sender_);
 }
 
 void VideoSendStreamImpl::RegisterProcessThread(
     ProcessThread* module_process_thread) {
-  payload_router_->RegisterProcessThread(module_process_thread);
+  rtp_video_sender_->RegisterProcessThread(module_process_thread);
 }
 
 void VideoSendStreamImpl::DeRegisterProcessThread() {
-  payload_router_->DeRegisterProcessThread();
+  rtp_video_sender_->DeRegisterProcessThread();
 }
 
 bool VideoSendStreamImpl::DeliverRtcp(const uint8_t* packet, size_t length) {
   // Runs on a network thread.
   RTC_DCHECK(!worker_queue_->IsCurrent());
-  payload_router_->DeliverRtcp(packet, length);
+  rtp_video_sender_->DeliverRtcp(packet, length);
   return true;
 }
 
@@ -364,12 +355,12 @@
     const std::vector<bool> active_layers) {
   RTC_DCHECK_RUN_ON(worker_queue_);
   RTC_LOG(LS_INFO) << "VideoSendStream::UpdateActiveSimulcastLayers";
-  bool previously_active = payload_router_->IsActive();
-  payload_router_->SetActiveModules(active_layers);
-  if (!payload_router_->IsActive() && previously_active) {
+  bool previously_active = rtp_video_sender_->IsActive();
+  rtp_video_sender_->SetActiveModules(active_layers);
+  if (!rtp_video_sender_->IsActive() && previously_active) {
     // Payload router switched from active to inactive.
     StopVideoSendStream();
-  } else if (payload_router_->IsActive() && !previously_active) {
+  } else if (rtp_video_sender_->IsActive() && !previously_active) {
     // Payload router switched from inactive to active.
     StartupVideoSendStream();
   }
@@ -378,10 +369,10 @@
 void VideoSendStreamImpl::Start() {
   RTC_DCHECK_RUN_ON(worker_queue_);
   RTC_LOG(LS_INFO) << "VideoSendStream::Start";
-  if (payload_router_->IsActive())
+  if (rtp_video_sender_->IsActive())
     return;
   TRACE_EVENT_INSTANT0("webrtc", "VideoSendStream::Start");
-  payload_router_->SetActive(true);
+  rtp_video_sender_->SetActive(true);
   StartupVideoSendStream();
 }
 
@@ -410,10 +401,10 @@
 void VideoSendStreamImpl::Stop() {
   RTC_DCHECK_RUN_ON(worker_queue_);
   RTC_LOG(LS_INFO) << "VideoSendStream::Stop";
-  if (!payload_router_->IsActive())
+  if (!rtp_video_sender_->IsActive())
     return;
   TRACE_EVENT_INSTANT0("webrtc", "VideoSendStream::Stop");
-  payload_router_->SetActive(false);
+  rtp_video_sender_->SetActive(false);
   StopVideoSendStream();
 }
 
@@ -441,7 +432,7 @@
 
 void VideoSendStreamImpl::OnBitrateAllocationUpdated(
     const VideoBitrateAllocation& allocation) {
-  payload_router_->OnBitrateAllocationUpdated(allocation);
+  rtp_video_sender_->OnBitrateAllocationUpdated(allocation);
 }
 
 void VideoSendStreamImpl::SignalEncoderActive() {
@@ -511,7 +502,7 @@
                                    num_temporal_layers,
                                    config_->rtp.max_packet_size);
 
-  if (payload_router_->IsActive()) {
+  if (rtp_video_sender_->IsActive()) {
     // The send stream is started already. Update the allocator with new bitrate
     // limits.
     bitrate_allocator_->AddObserver(
@@ -548,7 +539,7 @@
 
   fec_controller_->UpdateWithEncodedData(encoded_image._length,
                                          encoded_image._frameType);
-  EncodedImageCallback::Result result = payload_router_->OnEncodedImage(
+  EncodedImageCallback::Result result = rtp_video_sender_->OnEncodedImage(
       encoded_image, codec_specific_info, fragmentation);
 
   RTC_DCHECK(codec_specific_info);
@@ -569,12 +560,12 @@
 }
 
 std::map<uint32_t, RtpState> VideoSendStreamImpl::GetRtpStates() const {
-  return payload_router_->GetRtpStates();
+  return rtp_video_sender_->GetRtpStates();
 }
 
 std::map<uint32_t, RtpPayloadState> VideoSendStreamImpl::GetRtpPayloadStates()
     const {
-  return payload_router_->GetRtpPayloadStates();
+  return rtp_video_sender_->GetRtpPayloadStates();
 }
 
 uint32_t VideoSendStreamImpl::OnBitrateUpdated(uint32_t bitrate_bps,
@@ -582,7 +573,7 @@
                                                int64_t rtt,
                                                int64_t probing_interval_ms) {
   RTC_DCHECK_RUN_ON(worker_queue_);
-  RTC_DCHECK(payload_router_->IsActive())
+  RTC_DCHECK(rtp_video_sender_->IsActive())
       << "VideoSendStream::Start has not been called.";
 
   // Substract overhead from bitrate.
@@ -657,9 +648,9 @@
     uint32_t* sent_nack_rate_bps,
     uint32_t* sent_fec_rate_bps) {
   RTC_DCHECK_RUN_ON(worker_queue_);
-  payload_router_->ProtectionRequest(delta_params, key_params,
-                                     sent_video_rate_bps, sent_nack_rate_bps,
-                                     sent_fec_rate_bps);
+  rtp_video_sender_->ProtectionRequest(delta_params, key_params,
+                                       sent_video_rate_bps, sent_nack_rate_bps,
+                                       sent_fec_rate_bps);
   return 0;
 }
 
@@ -681,7 +672,7 @@
       std::min(config_->rtp.max_packet_size,
                kPathMTU - transport_overhead_bytes_per_packet_);
 
-  payload_router_->SetMaxRtpPacketSize(rtp_packet_size);
+  rtp_video_sender_->SetMaxRtpPacketSize(rtp_packet_size);
 }
 
 void VideoSendStreamImpl::OnPacketAdded(uint32_t ssrc, uint16_t seq_num) {
diff --git a/video/video_send_stream_impl.h b/video/video_send_stream_impl.h
index ae2e4f4..322c89a 100644
--- a/video/video_send_stream_impl.h
+++ b/video/video_send_stream_impl.h
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "call/bitrate_allocator.h"
-#include "call/payload_router.h"
+#include "call/rtp_video_sender_interface.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "common_video/include/video_bitrate_allocator.h"
 #include "modules/utility/include/process_thread.h"
@@ -170,7 +170,7 @@
   EncoderRtcpFeedback encoder_feedback_;
 
   RtcpBandwidthObserver* const bandwidth_observer_;
-  VideoRtpSenderInterface* const payload_router_;
+  RtpVideoSenderInterface* const rtp_video_sender_;
 
   // |weak_ptr_| to our self. This is used since we can not call
   // |weak_ptr_factory_.GetWeakPtr| from multiple sequences but it is ok to copy
diff --git a/video/video_send_stream_impl_unittest.cc b/video/video_send_stream_impl_unittest.cc
index 66deb68..78a20c0 100644
--- a/video/video_send_stream_impl_unittest.cc
+++ b/video/video_send_stream_impl_unittest.cc
@@ -10,7 +10,7 @@
 
 #include <string>
 
-#include "call/payload_router.h"
+#include "call/rtp_video_sender.h"
 #include "call/test/mock_bitrate_allocator.h"
 #include "call/test/mock_rtp_transport_controller_send.h"
 #include "logging/rtc_event_log/rtc_event_log.h"
@@ -44,7 +44,7 @@
              AlrExperimentSettings::kScreenshareProbingBweExperimentName) +
          "/1.0,2875,80,40,-60,3/";
 }
-class MockPayloadRouter : public VideoRtpSenderInterface {
+class MockPayloadRouter : public RtpVideoSenderInterface {
  public:
   MOCK_METHOD1(RegisterProcessThread, void(ProcessThread*));
   MOCK_METHOD0(DeRegisterProcessThread, void());
@@ -93,7 +93,7 @@
     EXPECT_CALL(transport_controller_, packet_router())
         .WillRepeatedly(Return(&packet_router_));
     EXPECT_CALL(transport_controller_,
-                CreateVideoRtpSender(_, _, _, _, _, _, _, _))
+                CreateRtpVideoSender(_, _, _, _, _, _, _, _))
         .WillRepeatedly(Return(&payload_router_));
     EXPECT_CALL(payload_router_, SetActive(_))
         .WillRepeatedly(testing::Invoke(
diff --git a/video/video_stream_decoder.cc b/video/video_stream_decoder.cc
index 10af016..c144217 100644
--- a/video/video_stream_decoder.cc
+++ b/video/video_stream_decoder.cc
@@ -14,7 +14,6 @@
 #include <map>
 #include <vector>
 
-#include "call/payload_router.h"
 #include "modules/video_coding/video_coding_impl.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"