[rtp_rtcp] rtcp::Empty moved into own file and renamed to CompoundPacket on the way

webrtc/modules/rtp_rtcp/source/rtcp_sender.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/modules/rtp_rtcp/source/rtcp_sender.h"
 
 #include <assert.h>  // assert
 #include <string.h>  // memcpy
 
 #include <algorithm>  // min
 #include <limits>     // max
 #include <utility>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/trace_event.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/app.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/bye.h"
+#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/nack.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/receiver_report.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbr.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h"
 #include "webrtc/system_wrappers/include/critical_section_wrapper.h"
 
 namespace webrtc {
@@ skipping 34 matching lines @@
       frequency_hz(0),
       packets_sent(0),
       media_bytes_sent(0),
       send_bitrate(0),
       last_rr_ntp_secs(0),
       last_rr_ntp_frac(0),
       remote_sr(0),
       has_last_xr_rr(false),
       module(nullptr) {}
 
-class PacketContainer : public rtcp::Empty,
+class PacketContainer : public rtcp::CompoundPacket,
                         public rtcp::RtcpPacket::PacketReadyCallback {
  public:
   explicit PacketContainer(Transport* transport)
       : transport_(transport), bytes_sent_(0) {}
   virtual ~PacketContainer() {
     for (RtcpPacket* packet : appended_packets_)
       delete packet;
   }
 
   void OnPacketReady(uint8_t* data, size_t length) override {
     if (transport_->SendRtcp(data, length))
       bytes_sent_ += length;
   }
 
   size_t SendPackets() {
-    rtcp::Empty::Build(this);
+    rtcp::CompoundPacket::Build(this);
     return bytes_sent_;
   }
 
  private:
   Transport* transport_;
   size_t bytes_sent_;
 };
 
 class RTCPSender::RtcpContext {
  public:
@@ skipping 945 matching lines @@
     Transport* const transport_;
     bool send_failure_;
   } sender(transport_);
 
   uint8_t buffer[IP_PACKET_SIZE];
   return packet.BuildExternalBuffer(buffer, IP_PACKET_SIZE, &sender) &&
          !sender.send_failure_;
 }
 
 }  // namespace webrtc