Packetizer/Depacketizer for RTP.

remoting/protocol/rtp_reader.h

 // Copyright (c) 2010 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 REMOTING_PROTOCOL_RTP_READER_H_
 #define REMOTING_PROTOCOL_RTP_READER_H_
 
 #include "base/scoped_ptr.h"
 #include "remoting/base/compound_buffer.h"
 #include "remoting/protocol/rtp_utils.h"
 #include "remoting/protocol/socket_reader_base.h"
 
 namespace remoting {
 namespace protocol {
 
 class RtpPacket {
  public:
   RtpPacket();
   ~RtpPacket();
 
   const RtpHeader& header() const { return header_; }
   RtpHeader* mutable_header() { return &header_; }
+
+  const Vp8Descriptor& vp8_descriptor() const { return vp8_descriptor_; }
+  Vp8Descriptor* mutable_vp8_descriptor() { return &vp8_descriptor_; }
+
   const CompoundBuffer& payload() const { return payload_; }
   CompoundBuffer* mutable_payload() { return &payload_; }
 
  private:
   RtpHeader header_;
   CompoundBuffer payload_;
+  Vp8Descriptor vp8_descriptor_;
 };
 
 class RtpReader : public SocketReaderBase {
  public:
   RtpReader();
   ~RtpReader();
 
   // The OnMessageCallback is called whenever a new message is received.
   // Ownership of the message is passed the callback.
-  typedef Callback1<const RtpPacket&>::Type OnMessageCallback;

[Alpha Left Google, 2010/11/15 23:46:35]

why this is changed to non-const?

[Sergey Ulanov, 2010/11/16 00:22:55]

Changed back to const.

+  typedef Callback1<RtpPacket*>::Type OnMessageCallback;
 
   // Initialize the reader and start reading. Must be called on the thread
   // |socket| belongs to. The callback will be called when a new message is
   // received. RtpReader owns |on_message_callback|, doesn't own
   // |socket|.
   void Init(net::Socket* socket, OnMessageCallback* on_message_callback);
 
  protected:
   virtual void OnDataReceived(net::IOBuffer* buffer, int data_size);
 
  private:
   scoped_ptr<OnMessageCallback> on_message_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(RtpReader);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 
 #endif  // REMOTING_PROTOCOL_RTP_READER_H_