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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 // This file contain functions for parsing and serializing SDP messages. | |
| 29 // Related RFC/draft including: | |
| 30 // * RFC 4566 - SDP | |
| 31 // * RFC 5245 - ICE | |
| 32 // * RFC 3388 - Grouping of Media Lines in SDP | |
| 33 // * RFC 4568 - SDP Security Descriptions for Media Streams | |
| 34 // * draft-lennox-mmusic-sdp-source-selection-02 - | |
| 35 // Mechanisms for Media Source Selection in SDP | |
| 36 | |
| 37 #ifndef TALK_APP_WEBRTC_WEBRTCSDP_H_ | |
| 38 #define TALK_APP_WEBRTC_WEBRTCSDP_H_ | |
| 39 | |
| 40 #include <string> | |
| 41 | |
| 42 namespace webrtc { | |
| 43 | |
| 44 class IceCandidateInterface; | |
| 45 class JsepIceCandidate; | |
| 46 class JsepSessionDescription; | |
| 47 struct SdpParseError; | |
| 48 | |
| 49 // Serializes the passed in JsepSessionDescription. | |
| 50 // Serialize SessionDescription including candidates if | |
| 51 // JsepSessionDescription has candidates. | |
| 52 // jdesc - The JsepSessionDescription object to be serialized. | |
| 53 // return - SDP string serialized from the arguments. | |
| 54 std::string SdpSerialize(const JsepSessionDescription& jdesc); | |
| 55 | |
| 56 // Serializes the passed in IceCandidateInterface to a SDP string. | |
| 57 // candidate - The candidate to be serialized. | |
| 58 std::string SdpSerializeCandidate(const IceCandidateInterface& candidate); | |
| 59 | |
| 60 // Deserializes the passed in SDP string to a JsepSessionDescription. | |
| 61 // message - SDP string to be Deserialized. | |
| 62 // jdesc - The JsepSessionDescription deserialized from the SDP string. | |
| 63 // error - The detail error information when parsing fails. | |
| 64 // return - true on success, false on failure. | |
| 65 bool SdpDeserialize(const std::string& message, | |
| 66 JsepSessionDescription* jdesc, | |
| 67 SdpParseError* error); | |
| 68 | |
| 69 // Deserializes the passed in SDP string to one JsepIceCandidate. | |
| 70 // The first line must be a=candidate line and only the first line will be | |
| 71 // parsed. | |
| 72 // message - The SDP string to be Deserialized. | |
| 73 // candidates - The JsepIceCandidate from the SDP string. | |
| 74 // error - The detail error information when parsing fails. | |
| 75 // return - true on success, false on failure. | |
| 76 bool SdpDeserializeCandidate(const std::string& message, | |
| 77 JsepIceCandidate* candidate, | |
| 78 SdpParseError* error); | |
| 79 } // namespace webrtc | |
| 80 | |
| 81 #endif // TALK_APP_WEBRTC_WEBRTCSDP_H_ | |
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