PacketBuffer now can save how many times a packet has been nacked.

webrtc/modules/video_coding/frame_object.cc

Index: webrtc/modules/video_coding/frame_object.cc
diff --git a/webrtc/modules/video_coding/frame_object.cc b/webrtc/modules/video_coding/frame_object.cc
index 7b9ec0d283596ef10bde59e3b4f36b776e31c5a0..650b65ff2c94abae45bd1f1d5ced10e025139137 100644
--- a/webrtc/modules/video_coding/frame_object.cc
+++ b/webrtc/modules/video_coding/frame_object.cc
@@ -24,10 +24,14 @@ FrameObject::FrameObject()
 
 RtpFrameObject::RtpFrameObject(PacketBuffer* packet_buffer,
                                uint16_t first_seq_num,
-                               uint16_t last_seq_num)
+                               uint16_t last_seq_num,
+                               size_t frame_size,
+                               int times_nacked)
     : packet_buffer_(packet_buffer),
       first_seq_num_(first_seq_num),
-      last_seq_num_(last_seq_num) {
+      last_seq_num_(last_seq_num),
+      times_nacked_(times_nacked) {
+  size = frame_size;

[stefan-webrtc, 2016/05/23 13:42:07]

Maybe pass this in to the FrameObject via constructor instead?

   VCMPacket* packet = packet_buffer_->GetPacket(first_seq_num);
   if (packet) {
     frame_type_ = packet->frameType;
@@ -47,6 +51,10 @@ uint16_t RtpFrameObject::last_seq_num() const {
   return last_seq_num_;
 }
 
+int RtpFrameObject::times_nacked() const {
+  return times_nacked_;
+}
+
 FrameType RtpFrameObject::frame_type() const {
   return frame_type_;
 }