Experiment for the nack module.

webrtc/modules/video_coding/receiver.cc

Index: webrtc/modules/video_coding/receiver.cc
diff --git a/webrtc/modules/video_coding/receiver.cc b/webrtc/modules/video_coding/receiver.cc
index 988f1ef5c7558d07273894307e53286780f71d60..a02fd01de6a7e1c9a301d14f242d6af58779711d 100644
--- a/webrtc/modules/video_coding/receiver.cc
+++ b/webrtc/modules/video_coding/receiver.cc
@@ -30,19 +30,49 @@ enum { kMaxReceiverDelayMs = 10000 };
 VCMReceiver::VCMReceiver(VCMTiming* timing,
                          Clock* clock,
                          EventFactory* event_factory)
+    : VCMReceiver::VCMReceiver(timing,
+                               clock,
+                               event_factory,
+                               nullptr,  // NackSender
+                               nullptr)  // KeyframeRequestSender
+{}
+
+VCMReceiver::VCMReceiver(VCMTiming* timing,
+                         Clock* clock,
+                         EventFactory* event_factory,
+                         NackSender* nack_sender,
+                         KeyFrameRequestSender* keyframe_request_sender)
     : VCMReceiver(timing,
                   clock,
                   std::unique_ptr<EventWrapper>(event_factory->CreateEvent()),
-                  std::unique_ptr<EventWrapper>(event_factory->CreateEvent())) {
-}
+                  std::unique_ptr<EventWrapper>(event_factory->CreateEvent()),
+                  nack_sender,
+                  keyframe_request_sender) {}
 
 VCMReceiver::VCMReceiver(VCMTiming* timing,
                          Clock* clock,
                          std::unique_ptr<EventWrapper> receiver_event,
                          std::unique_ptr<EventWrapper> jitter_buffer_event)
+    : VCMReceiver::VCMReceiver(timing,
+                               clock,
+                               std::move(receiver_event),
+                               std::move(jitter_buffer_event),
+                               nullptr,  // NackSender
+                               nullptr)  // KeyframeRequestSender
+{}
+
+VCMReceiver::VCMReceiver(VCMTiming* timing,
+                         Clock* clock,
+                         std::unique_ptr<EventWrapper> receiver_event,
+                         std::unique_ptr<EventWrapper> jitter_buffer_event,
+                         NackSender* nack_sender,
+                         KeyFrameRequestSender* keyframe_request_sender)
     : crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
       clock_(clock),
-      jitter_buffer_(clock_, std::move(jitter_buffer_event)),
+      jitter_buffer_(clock_,
+                     std::move(jitter_buffer_event),
+                     nack_sender,
+                     keyframe_request_sender),
       timing_(timing),
       render_wait_event_(std::move(receiver_event)),
       max_video_delay_ms_(kMaxVideoDelayMs) {
@@ -67,6 +97,14 @@ void VCMReceiver::UpdateRtt(int64_t rtt) {
   jitter_buffer_.UpdateRtt(rtt);
 }
 
+int64_t VCMReceiver::TimeUntilNextProcess() {
+  return jitter_buffer_.TimeUntilNextProcess();
+}
+
+void VCMReceiver::Process() {
+  jitter_buffer_.Process();
+}
+
 int32_t VCMReceiver::InsertPacket(const VCMPacket& packet,
                                   uint16_t frame_width,
                                   uint16_t frame_height) {