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 TEST_RTP_HEADER_PARSER_H_
11 #define TEST_RTP_HEADER_PARSER_H_
12 
13 #include <memory>
14 
15 #include "api/rtp_parameters.h"
16 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
17 
18 namespace webrtc {
19 
20 struct RTPHeader;
21 
22 class RtpHeaderParser {
23  public:
24   static std::unique_ptr<RtpHeaderParser> CreateForTest();
~RtpHeaderParser()25   virtual ~RtpHeaderParser() {}
26 
27   // Returns true if the packet is an RTCP packet, false otherwise.
28   static bool IsRtcp(const uint8_t* packet, size_t length);
29   static absl::optional<uint32_t> GetSsrc(const uint8_t* packet, size_t length);
30 
31   // Parses the packet and stores the parsed packet in |header|. Returns true on
32   // success, false otherwise.
33   // This method is thread-safe in the sense that it can parse multiple packets
34   // at once.
35   virtual bool Parse(const uint8_t* packet,
36                      size_t length,
37                      RTPHeader* header) const = 0;
38 
39   // Registers an RTP header extension and binds it to |id|.
40   virtual bool RegisterRtpHeaderExtension(RTPExtensionType type,
41                                           uint8_t id) = 0;
42 
43   // Registers an RTP header extension.
44   virtual bool RegisterRtpHeaderExtension(RtpExtension extension) = 0;
45 
46   // De-registers an RTP header extension.
47   virtual bool DeregisterRtpHeaderExtension(RTPExtensionType type) = 0;
48 
49   // De-registers an RTP header extension.
50   virtual bool DeregisterRtpHeaderExtension(RtpExtension extension) = 0;
51 };
52 }  // namespace webrtc
53 #endif  // TEST_RTP_HEADER_PARSER_H_
54