1 /*
2  *  Copyright 2019 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 
11 #ifndef PC_MEDIA_PROTOCOL_NAMES_H_
12 #define PC_MEDIA_PROTOCOL_NAMES_H_
13 
14 #include <string>
15 
16 namespace cricket {
17 
18 // Names or name prefixes of protocols as defined by SDP specifications.
19 extern const char kMediaProtocolRtpPrefix[];
20 extern const char kMediaProtocolSctp[];
21 extern const char kMediaProtocolDtlsSctp[];
22 extern const char kMediaProtocolUdpDtlsSctp[];
23 extern const char kMediaProtocolTcpDtlsSctp[];
24 
25 bool IsDtlsSctp(const std::string& protocol);
26 bool IsPlainSctp(const std::string& protocol);
27 
28 // Returns true if the given media section protocol indicates use of RTP.
29 bool IsRtpProtocol(const std::string& protocol);
30 // Returns true if the given media section protocol indicates use of SCTP.
31 bool IsSctpProtocol(const std::string& protocol);
32 
33 }  // namespace cricket
34 
35 #endif  // PC_MEDIA_PROTOCOL_NAMES_H_
36