Line data    Source code

       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           0 : class RtpHeaderParser {
      21             :  public:
      22             :   static RtpHeaderParser* Create();
      23           0 :   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_