• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 #ifndef WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
11 #define WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
12 
13 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
14 #include "webrtc/typedefs.h"
15 
16 namespace webrtc {
17 
18 struct RTPHeader;
19 
20 class RtpHeaderParser {
21  public:
22   static RtpHeaderParser* Create();
~RtpHeaderParser()23   virtual ~RtpHeaderParser() {}
24 
25   // Returns true if the packet is an RTCP packet, false otherwise.
26   static bool IsRtcp(const uint8_t* packet, size_t length);
27 
28   // Parses the packet and stores the parsed packet in |header|. Returns true on
29   // success, false otherwise.
30   // This method is thread-safe in the sense that it can parse multiple packets
31   // at once.
32   virtual bool Parse(const uint8_t* packet,
33                      size_t length,
34                      RTPHeader* header) const = 0;
35 
36   // Registers an RTP header extension and binds it to |id|.
37   virtual bool RegisterRtpHeaderExtension(RTPExtensionType type,
38                                           uint8_t id) = 0;
39 
40   // De-registers an RTP header extension.
41   virtual bool DeregisterRtpHeaderExtension(RTPExtensionType type) = 0;
42 };
43 }  // namespace webrtc
44 #endif  // WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
45