Cast:Splitting rtcp sender

media/cast/net/rtcp/rtcp_builder.h

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_CAST_NET_RTCP_NET_RTCP_SENDER_H_
+#define MEDIA_CAST_NET_RTCP_NET_RTCP_SENDER_H_
+
+#include <list>
+#include <string>
+
+#include "media/cast/cast_config.h"
+#include "media/cast/cast_defines.h"
+#include "media/cast/rtcp/rtcp.h"
+#include "media/cast/rtcp/rtcp_defines.h"
+
+namespace media {
+namespace cast {
+
+class RtcpBuilder {
+ public:
+  RtcpBuilder(PacedPacketSender* const paced_packet_sender,
+              uint32 sending_ssrc,
+              const std::string& c_name);
+
+  virtual ~RtcpBuilder();
+
+  void SendRtcpFromRtpSender(uint32 packet_type_flags,
+                             const RtcpSenderInfo* sender_info,
+                             const RtcpDlrrReportBlock* dlrr,
+                             RtcpSenderLogMessage* sender_log);
+
+  enum RtcpPacketType {
+    kRtcpSr     = 0x0002,
+    kRtcpRr     = 0x0004,
+    kRtcpBye    = 0x0008,
+    kRtcpPli    = 0x0010,
+    kRtcpNack   = 0x0020,
+    kRtcpFir    = 0x0040,
+    kRtcpSrReq  = 0x0200,
+    kRtcpDlrr   = 0x0400,
+    kRtcpRrtr   = 0x0800,
+    kRtcpRpsi   = 0x8000,
+    kRtcpRemb   = 0x10000,
+    kRtcpCast   = 0x20000,
+    kRtcpSenderLog = 0x40000,
+    kRtcpReceiverLog = 0x80000,
+  };
+
+ private:
+  void BuildSR(const RtcpSenderInfo& sender_info,
+               const RtcpReportBlock* report_block,
+               std::vector<uint8>* packet) const;
+
+  void AddReportBlocks(const RtcpReportBlock& report_block,
+                       std::vector<uint8>* packet) const;
+
+  void BuildSdec(std::vector<uint8>* packet) const;
+
+  void BuildBye(std::vector<uint8>* packet) const;
+
+  void BuildDlrrRb(const RtcpDlrrReportBlock* dlrr,
+                   std::vector<uint8>* packet) const;
+  void BuildSenderLog(RtcpSenderLogMessage* sender_log_message,
+                      std::vector<uint8>* packet) const;
+
+  const uint32 ssrc_;
+  const std::string c_name_;
+
+  // Not owned by this class.
+  PacedPacketSender* transport_;
+
+  DISALLOW_COPY_AND_ASSIGN(RtcpBuilder);
+};
+
+}  // namespace cast
+}  // namespace media
+
+#endif  // MEDIA_CAST_NET_RTCP_NET_RTCP_SENDER_H_