| Index: webrtc/video/video_send_stream.cc
 | 
| diff --git a/webrtc/video/video_send_stream.cc b/webrtc/video/video_send_stream.cc
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| index 656bfb563a07415e42cde7ae757e37fda8fe43e0..73247d8d4ee24b9715d52e7014bcf95c9ccfbc36 100644
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| --- a/webrtc/video/video_send_stream.cc
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| +++ b/webrtc/video/video_send_stream.cc
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| @@ -22,6 +22,7 @@
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|  #include "webrtc/base/logging.h"
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|  #include "webrtc/base/trace_event.h"
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|  #include "webrtc/base/weak_ptr.h"
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| +#include "webrtc/call/rtp_transport_controller_send.h"
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|  #include "webrtc/common_types.h"
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|  #include "webrtc/common_video/include/video_bitrate_allocator.h"
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|  #include "webrtc/modules/bitrate_controller/include/bitrate_controller.h"
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| @@ -32,6 +33,7 @@
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|  #include "webrtc/modules/video_coding/utility/ivf_file_writer.h"
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|  #include "webrtc/system_wrappers/include/field_trial.h"
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|  #include "webrtc/video/call_stats.h"
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| +#include "webrtc/video/payload_router.h"
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|  #include "webrtc/video/vie_remb.h"
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|  #include "webrtc/video_send_stream.h"
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|  
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| @@ -47,10 +49,8 @@ std::vector<RtpRtcp*> CreateRtpRtcpModules(
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|      Transport* outgoing_transport,
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|      RtcpIntraFrameObserver* intra_frame_callback,
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|      RtcpBandwidthObserver* bandwidth_callback,
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| -    TransportFeedbackObserver* transport_feedback_callback,
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| +    RtpTransportControllerSendInterface* transport,
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|      RtcpRttStats* rtt_stats,
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| -    RtpPacketSender* paced_sender,
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| -    TransportSequenceNumberAllocator* transport_sequence_number_allocator,
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|      FlexfecSender* flexfec_sender,
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|      SendStatisticsProxy* stats_proxy,
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|      SendDelayStats* send_delay_stats,
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| @@ -68,12 +68,13 @@ std::vector<RtpRtcp*> CreateRtpRtcpModules(
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|    configuration.outgoing_transport = outgoing_transport;
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|    configuration.intra_frame_callback = intra_frame_callback;
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|    configuration.bandwidth_callback = bandwidth_callback;
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| -  configuration.transport_feedback_callback = transport_feedback_callback;
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| +  configuration.transport_feedback_callback =
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| +      transport->transport_feedback_observer();
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|    configuration.rtt_stats = rtt_stats;
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|    configuration.rtcp_packet_type_counter_observer = stats_proxy;
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| -  configuration.paced_sender = paced_sender;
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| +  configuration.paced_sender = transport->packet_sender();
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|    configuration.transport_sequence_number_allocator =
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| -      transport_sequence_number_allocator;
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| +      transport->packet_router();
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|    configuration.send_bitrate_observer = stats_proxy;
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|    configuration.send_frame_count_observer = stats_proxy;
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|    configuration.send_side_delay_observer = stats_proxy;
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| @@ -325,8 +326,7 @@ class VideoSendStreamImpl : public webrtc::BitrateAllocatorObserver,
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|    VideoSendStreamImpl(SendStatisticsProxy* stats_proxy,
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|                        rtc::TaskQueue* worker_queue,
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|                        CallStats* call_stats,
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| -                      SendSideCongestionController* send_side_cc,
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| -                      PacketRouter* packet_router,
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| +                      RtpTransportControllerSendInterface* transport,
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|                        BitrateAllocator* bitrate_allocator,
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|                        SendDelayStats* send_delay_stats,
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|                        VieRemb* remb,
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| @@ -411,8 +411,7 @@ class VideoSendStreamImpl : public webrtc::BitrateAllocatorObserver,
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|        GUARDED_BY(encoder_activity_crit_sect_);
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|  
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|    CallStats* const call_stats_;
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| -  SendSideCongestionController* const send_side_cc_;
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| -  PacketRouter* const packet_router_;
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| +  RtpTransportControllerSendInterface* const transport_;
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|    BitrateAllocator* const bitrate_allocator_;
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|    VieRemb* const remb_;
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|  
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| @@ -460,8 +459,7 @@ class VideoSendStream::ConstructionTask : public rtc::QueuedTask {
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|                     ViEEncoder* vie_encoder,
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|                     ProcessThread* module_process_thread,
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|                     CallStats* call_stats,
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| -                   SendSideCongestionController* send_side_cc,
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| -                   PacketRouter* packet_router,
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| +                   RtpTransportControllerSendInterface* transport,
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|                     BitrateAllocator* bitrate_allocator,
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|                     SendDelayStats* send_delay_stats,
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|                     VieRemb* remb,
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| @@ -474,8 +472,7 @@ class VideoSendStream::ConstructionTask : public rtc::QueuedTask {
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|          stats_proxy_(stats_proxy),
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|          vie_encoder_(vie_encoder),
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|          call_stats_(call_stats),
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| -        send_side_cc_(send_side_cc),
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| -        packet_router_(packet_router),
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| +        transport_(transport),
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|          bitrate_allocator_(bitrate_allocator),
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|          send_delay_stats_(send_delay_stats),
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|          remb_(remb),
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| @@ -489,10 +486,9 @@ class VideoSendStream::ConstructionTask : public rtc::QueuedTask {
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|   private:
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|    bool Run() override {
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|      send_stream_->reset(new VideoSendStreamImpl(
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| -        stats_proxy_, rtc::TaskQueue::Current(), call_stats_, send_side_cc_,
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| -        packet_router_, bitrate_allocator_, send_delay_stats_, remb_,
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| -        vie_encoder_, event_log_, config_, initial_encoder_max_bitrate_,
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| -        std::move(suspended_ssrcs_)));
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| +        stats_proxy_, rtc::TaskQueue::Current(), call_stats_, transport_,
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| +        bitrate_allocator_, send_delay_stats_, remb_, vie_encoder_, event_log_,
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| +        config_, initial_encoder_max_bitrate_, std::move(suspended_ssrcs_)));
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|      return true;
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|    }
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|  
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| @@ -501,8 +497,7 @@ class VideoSendStream::ConstructionTask : public rtc::QueuedTask {
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|    SendStatisticsProxy* const stats_proxy_;
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|    ViEEncoder* const vie_encoder_;
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|    CallStats* const call_stats_;
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| -  SendSideCongestionController* const send_side_cc_;
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| -  PacketRouter* const packet_router_;
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| +  RtpTransportControllerSendInterface* const transport_;
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|    BitrateAllocator* const bitrate_allocator_;
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|    SendDelayStats* const send_delay_stats_;
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|    VieRemb* const remb_;
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| @@ -616,8 +611,7 @@ VideoSendStream::VideoSendStream(
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|      ProcessThread* module_process_thread,
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|      rtc::TaskQueue* worker_queue,
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|      CallStats* call_stats,
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| -    SendSideCongestionController* send_side_cc,
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| -    PacketRouter* packet_router,
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| +    RtpTransportControllerSendInterface* transport,
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|      BitrateAllocator* bitrate_allocator,
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|      SendDelayStats* send_delay_stats,
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|      VieRemb* remb,
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| @@ -637,8 +631,8 @@ VideoSendStream::VideoSendStream(
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|        config_.pre_encode_callback, config_.post_encode_callback));
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|    worker_queue_->PostTask(std::unique_ptr<rtc::QueuedTask>(new ConstructionTask(
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|        &send_stream_, &thread_sync_event_, &stats_proxy_, vie_encoder_.get(),
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| -      module_process_thread, call_stats, send_side_cc, packet_router,
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| -      bitrate_allocator, send_delay_stats, remb, event_log, &config_,
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| +      module_process_thread, call_stats, transport, bitrate_allocator,
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| +      send_delay_stats, remb, event_log, &config_,
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|        encoder_config.max_bitrate_bps, suspended_ssrcs)));
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|  
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|    // Wait for ConstructionTask to complete so that |send_stream_| can be used.
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| @@ -750,8 +744,7 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|      SendStatisticsProxy* stats_proxy,
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|      rtc::TaskQueue* worker_queue,
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|      CallStats* call_stats,
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| -    SendSideCongestionController* send_side_cc,
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| -    PacketRouter* packet_router,
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| +    RtpTransportControllerSendInterface* transport,
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|      BitrateAllocator* bitrate_allocator,
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|      SendDelayStats* send_delay_stats,
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|      VieRemb* remb,
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| @@ -769,8 +762,7 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|        worker_queue_(worker_queue),
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|        check_encoder_activity_task_(nullptr),
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|        call_stats_(call_stats),
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| -      send_side_cc_(send_side_cc),
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| -      packet_router_(packet_router),
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| +      transport_(transport),
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|        bitrate_allocator_(bitrate_allocator),
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|        remb_(remb),
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|        flexfec_sender_(MaybeCreateFlexfecSender(*config_)),
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| @@ -783,23 +775,22 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|                          config_->rtp.ssrcs,
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|                          vie_encoder),
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|        protection_bitrate_calculator_(Clock::GetRealTimeClock(), this),
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| -      bandwidth_observer_(
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| -          send_side_cc_->GetBitrateController()->CreateRtcpBandwidthObserver()),
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| -      rtp_rtcp_modules_(
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| -          CreateRtpRtcpModules(config_->send_transport,
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| -                               &encoder_feedback_,
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| -                               bandwidth_observer_.get(),
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| -                               send_side_cc_,
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| -                               call_stats_->rtcp_rtt_stats(),
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| -                               send_side_cc_->pacer(),
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| -                               packet_router_,
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| -                               flexfec_sender_.get(),
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| -                               stats_proxy_,
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| -                               send_delay_stats,
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| -                               event_log,
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| -                               send_side_cc_->GetRetransmissionRateLimiter(),
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| -                               this,
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| -                               config_->rtp.ssrcs.size())),
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| +      bandwidth_observer_(transport->send_side_cc()
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| +                              ->GetBitrateController()
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| +                              ->CreateRtcpBandwidthObserver()),
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| +      rtp_rtcp_modules_(CreateRtpRtcpModules(
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| +          config_->send_transport,
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| +          &encoder_feedback_,
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| +          bandwidth_observer_.get(),
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| +          transport,
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| +          call_stats_->rtcp_rtt_stats(),
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| +          flexfec_sender_.get(),
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| +          stats_proxy_,
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| +          send_delay_stats,
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| +          event_log,
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| +          transport->send_side_cc()->GetRetransmissionRateLimiter(),
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| +          this,
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| +          config_->rtp.ssrcs.size())),
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|        payload_router_(rtp_rtcp_modules_,
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|                        config_->encoder_settings.payload_type),
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|        weak_ptr_factory_(this),
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| @@ -812,10 +803,11 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|  
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|    RTC_DCHECK(!config_->rtp.ssrcs.empty());
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|    RTC_DCHECK(call_stats_);
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| -  RTC_DCHECK(send_side_cc_);
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|    RTC_DCHECK(remb_);
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| +  RTC_DCHECK(transport_);
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| +  RTC_DCHECK(transport_->send_side_cc());
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|  
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| -  send_side_cc_->EnablePeriodicAlrProbing(
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| +  transport->send_side_cc()->EnablePeriodicAlrProbing(
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|        config_->periodic_alr_bandwidth_probing);
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|  
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|    // RTP/RTCP initialization.
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| @@ -824,7 +816,7 @@ VideoSendStreamImpl::VideoSendStreamImpl(
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|    // when sending padding, with the hope that the packet rate will be smaller,
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|    // and that it's more important to protect than the lower layers.
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|    for (RtpRtcp* rtp_rtcp : rtp_rtcp_modules_)
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| -    packet_router_->AddRtpModule(rtp_rtcp);
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| +    transport->packet_router()->AddRtpModule(rtp_rtcp);
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|  
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|    for (size_t i = 0; i < config_->rtp.extensions.size(); ++i) {
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|      const std::string& extension = config_->rtp.extensions[i].uri;
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| @@ -903,7 +895,7 @@ VideoSendStreamImpl::~VideoSendStreamImpl() {
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|    remb_->RemoveRembSender(rtp_rtcp_modules_[0]);
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|  
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|    for (RtpRtcp* rtp_rtcp : rtp_rtcp_modules_) {
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| -    packet_router_->RemoveRtpModule(rtp_rtcp);
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| +    transport_->packet_router()->RemoveRtpModule(rtp_rtcp);
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|      delete rtp_rtcp;
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|    }
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|  }
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| @@ -1334,7 +1326,8 @@ void VideoSendStreamImpl::SetTransportOverhead(
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|  
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|    transport_overhead_bytes_per_packet_ = transport_overhead_bytes_per_packet;
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|  
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| -  send_side_cc_->SetTransportOverhead(transport_overhead_bytes_per_packet_);
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| +  transport_->send_side_cc()->SetTransportOverhead(
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| +      transport_overhead_bytes_per_packet_);
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|  
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|    size_t rtp_packet_size =
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|        std::min(config_->rtp.max_packet_size,
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| 
 |