Parse FlexFEC RTP headers in Call and add integration with BWE.

webrtc/modules/rtp_rtcp/include/flexfec_receiver.h

Index: webrtc/modules/rtp_rtcp/include/flexfec_receiver.h
diff --git a/webrtc/modules/rtp_rtcp/include/flexfec_receiver.h b/webrtc/modules/rtp_rtcp/include/flexfec_receiver.h
index 06294b479708cf2b7a4f0664adda697ab9d6fa8f..8000cf1bf49bad2caf82c231a4dfec676008cfef 100644
--- a/webrtc/modules/rtp_rtcp/include/flexfec_receiver.h
+++ b/webrtc/modules/rtp_rtcp/include/flexfec_receiver.h
@@ -23,6 +23,9 @@
 
 namespace webrtc {
 
+class RemoteBitrateEstimator;
+class RtpPacketReceived;
+
 // Callback interface for packets recovered by FlexFEC. The implementation
 // should be able to demultiplex the recovered RTP packets based on SSRC.
 class RecoveredPacketReceiver {
@@ -37,19 +40,20 @@ class FlexfecReceiver {
  public:
   FlexfecReceiver(uint32_t ssrc,
                   uint32_t protected_media_ssrc,
-                  RecoveredPacketReceiver* callback);
+                  RecoveredPacketReceiver* recovered_packet_receiver,
+                  RemoteBitrateEstimator* remote_bitrate_estimator);
   ~FlexfecReceiver();
 
   // Inserts a received packet (can be either media or FlexFEC) into the
   // internal buffer, and sends the received packets to the erasure code.
   // All newly recovered packets are sent back through the callback.
-  bool AddAndProcessReceivedPacket(const uint8_t* packet, size_t packet_length);
+  bool AddAndProcessReceivedPacket(RtpPacketReceived packet);

[danilchap, 2016/12/06 15:04:30]

to pass by value forward declaration is not enough.
include header with the definition or pass by const&.

[brandtr, 2016/12/12 13:51:07]

Done.

 
   // Returns a counter describing the added and recovered packets.
   FecPacketCounter GetPacketCounter() const;
 
  private:
-  bool AddReceivedPacket(const uint8_t* packet, size_t packet_length);
+  bool AddReceivedPacket(RtpPacketReceived packet);
   bool ProcessReceivedPackets();
 
   // Config.
@@ -60,7 +64,10 @@ class FlexfecReceiver {
   std::unique_ptr<ForwardErrorCorrection> erasure_code_;
   ForwardErrorCorrection::ReceivedPacketList received_packets_;
   ForwardErrorCorrection::RecoveredPacketList recovered_packets_;
-  RecoveredPacketReceiver* const callback_;
+  RecoveredPacketReceiver* const recovered_packet_receiver_;
+
+  // BWE.
+  RemoteBitrateEstimator* remote_bitrate_estimator_;
 
   // Logging and stats.
   Clock* const clock_;