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diff --git a/media/webrtc/signaling/src/sdp/SdpMediaSection.h b/media/webrtc/signaling/src/sdp/SdpMediaSection.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SDPMEDIASECTION_H_
+#define _SDPMEDIASECTION_H_
+
+#include "mozilla/Maybe.h"
+#include "signaling/src/sdp/SdpEnum.h"
+#include "signaling/src/sdp/SdpAttributeList.h"
+#include <string>
+#include <vector>
+#include <sstream>
+
+namespace mozilla
+{
+
+class SdpAttributeList;
+
+class SdpConnection;
+
+class SdpMediaSection
+{
+public:
+ enum MediaType { kAudio, kVideo, kText, kApplication, kMessage };
+ // don't add to enum to avoid warnings about unhandled enum values
+ static const size_t kMediaTypes = static_cast<size_t>(kMessage) + 1;
+
+ enum Protocol {
+ kRtpAvp, // RTP/AVP [RFC4566]
+ kUdp, // udp [RFC4566]
+ kVat, // vat [historic]
+ kRtp, // rtp [historic]
+ kUdptl, // udptl [ITU-T]
+ kTcp, // TCP [RFC4145]
+ kRtpAvpf, // RTP/AVPF [RFC4585]
+ kTcpRtpAvp, // TCP/RTP/AVP [RFC4571]
+ kRtpSavp, // RTP/SAVP [RFC3711]
+ kTcpBfcp, // TCP/BFCP [RFC4583]
+ kTcpTlsBfcp, // TCP/TLS/BFCP [RFC4583]
+ kTcpTls, // TCP/TLS [RFC4572]
+ kFluteUdp, // FLUTE/UDP [RFC-mehta-rmt-flute-sdp-05]
+ kTcpMsrp, // TCP/MSRP [RFC4975]
+ kTcpTlsMsrp, // TCP/TLS/MSRP [RFC4975]
+ kDccp, // DCCP [RFC5762]
+ kDccpRtpAvp, // DCCP/RTP/AVP [RFC5762]
+ kDccpRtpSavp, // DCCP/RTP/SAVP [RFC5762]
+ kDccpRtpAvpf, // DCCP/RTP/AVPF [RFC5762]
+ kDccpRtpSavpf, // DCCP/RTP/SAVPF [RFC5762]
+ kRtpSavpf, // RTP/SAVPF [RFC5124]
+ kUdpTlsRtpSavp, // UDP/TLS/RTP/SAVP [RFC5764]
+ kTcpTlsRtpSavp, // TCP/TLS/RTP/SAVP [JSEP-TBD]
+ kDccpTlsRtpSavp, // DCCP/TLS/RTP/SAVP [RFC5764]
+ kUdpTlsRtpSavpf, // UDP/TLS/RTP/SAVPF [RFC5764]
+ kTcpTlsRtpSavpf, // TCP/TLS/RTP/SAVPF [JSEP-TBD]
+ kDccpTlsRtpSavpf, // DCCP/TLS/RTP/SAVPF [RFC5764]
+ kUdpMbmsFecRtpAvp, // UDP/MBMS-FEC/RTP/AVP [RFC6064]
+ kUdpMbmsFecRtpSavp, // UDP/MBMS-FEC/RTP/SAVP [RFC6064]
+ kUdpMbmsRepair, // UDP/MBMS-REPAIR [RFC6064]
+ kFecUdp, // FEC/UDP [RFC6364]
+ kUdpFec, // UDP/FEC [RFC6364]
+ kTcpMrcpv2, // TCP/MRCPv2 [RFC6787]
+ kTcpTlsMrcpv2, // TCP/TLS/MRCPv2 [RFC6787]
+ kPstn, // PSTN [RFC7195]
+ kUdpTlsUdptl, // UDP/TLS/UDPTL [RFC7345]
+ kSctp, // SCTP [draft-ietf-mmusic-sctp-sdp-07]
+ kSctpDtls, // SCTP/DTLS [draft-ietf-mmusic-sctp-sdp-07]
+ kDtlsSctp // DTLS/SCTP [draft-ietf-mmusic-sctp-sdp-07]
+ };
+
+ explicit SdpMediaSection(size_t level) : mLevel(level) {}
+
+ virtual MediaType GetMediaType() const = 0;
+ virtual unsigned int GetPort() const = 0;
+ virtual void SetPort(unsigned int port) = 0;
+ virtual unsigned int GetPortCount() const = 0;
+ virtual Protocol GetProtocol() const = 0;
+ virtual const SdpConnection& GetConnection() const = 0;
+ virtual SdpConnection& GetConnection() = 0;
+ virtual uint32_t GetBandwidth(const std::string& type) const = 0;
+ virtual const std::vector<std::string>& GetFormats() const = 0;
+
+ std::vector<std::string> GetFormatsForSimulcastVersion(
+ size_t simulcastVersion, bool send, bool recv) const;
+ virtual const SdpAttributeList& GetAttributeList() const = 0;
+ virtual SdpAttributeList& GetAttributeList() = 0;
+
+ virtual SdpDirectionAttribute GetDirectionAttribute() const = 0;
+
+ virtual void Serialize(std::ostream&) const = 0;
+
+ virtual void AddCodec(const std::string& pt, const std::string& name,
+ uint32_t clockrate, uint16_t channels) = 0;
+ virtual void ClearCodecs() = 0;
+
+ virtual void AddDataChannel(const std::string& pt, const std::string& name,
+ uint16_t streams) = 0;
+
+ size_t
+ GetLevel() const
+ {
+ return mLevel;
+ }
+
+ inline bool
+ IsReceiving() const
+ {
+ return GetDirectionAttribute().mValue & sdp::kRecv;
+ }
+
+ inline bool
+ IsSending() const
+ {
+ return GetDirectionAttribute().mValue & sdp::kSend;
+ }
+
+ inline void
+ SetReceiving(bool receiving)
+ {
+ auto direction = GetDirectionAttribute().mValue;
+ if (direction & sdp::kSend) {
+ SetDirection(receiving ?
+ SdpDirectionAttribute::kSendrecv :
+ SdpDirectionAttribute::kSendonly);
+ } else {
+ SetDirection(receiving ?
+ SdpDirectionAttribute::kRecvonly :
+ SdpDirectionAttribute::kInactive);
+ }
+ }
+
+ inline void
+ SetSending(bool sending)
+ {
+ auto direction = GetDirectionAttribute().mValue;
+ if (direction & sdp::kRecv) {
+ SetDirection(sending ?
+ SdpDirectionAttribute::kSendrecv :
+ SdpDirectionAttribute::kRecvonly);
+ } else {
+ SetDirection(sending ?
+ SdpDirectionAttribute::kSendonly :
+ SdpDirectionAttribute::kInactive);
+ }
+ }
+
+ inline void SetDirection(SdpDirectionAttribute::Direction direction)
+ {
+ GetAttributeList().SetAttribute(new SdpDirectionAttribute(direction));
+ }
+
+ const SdpFmtpAttributeList::Parameters* FindFmtp(const std::string& pt) const;
+ void SetFmtp(const SdpFmtpAttributeList::Fmtp& fmtp);
+ void RemoveFmtp(const std::string& pt);
+ const SdpRtpmapAttributeList::Rtpmap* FindRtpmap(const std::string& pt) const;
+ const SdpSctpmapAttributeList::Sctpmap* FindSctpmap(
+ const std::string& pt) const;
+ bool HasRtcpFb(const std::string& pt,
+ SdpRtcpFbAttributeList::Type type,
+ const std::string& subType) const;
+ SdpRtcpFbAttributeList GetRtcpFbs() const;
+ void SetRtcpFbs(const SdpRtcpFbAttributeList& rtcpfbs);
+ bool HasFormat(const std::string& format) const
+ {
+ return std::find(GetFormats().begin(), GetFormats().end(), format) !=
+ GetFormats().end();
+ }
+ void SetSsrcs(const std::vector<uint32_t>& ssrcs,
+ const std::string& cname);
+ void AddMsid(const std::string& id, const std::string& appdata);
+ const SdpRidAttributeList::Rid* FindRid(const std::string& id) const;
+
+private:
+ size_t mLevel;
+};
+
+inline std::ostream& operator<<(std::ostream& os, const SdpMediaSection& ms)
+{
+ ms.Serialize(os);
+ return os;
+}
+
+inline std::ostream& operator<<(std::ostream& os, SdpMediaSection::MediaType t)
+{
+ switch (t) {
+ case SdpMediaSection::kAudio:
+ return os << "audio";
+ case SdpMediaSection::kVideo:
+ return os << "video";
+ case SdpMediaSection::kText:
+ return os << "text";
+ case SdpMediaSection::kApplication:
+ return os << "application";
+ case SdpMediaSection::kMessage:
+ return os << "message";
+ }
+ MOZ_ASSERT(false, "Unknown MediaType");
+ return os << "?";
+}
+
+inline std::ostream& operator<<(std::ostream& os, SdpMediaSection::Protocol p)
+{
+ switch (p) {
+ case SdpMediaSection::kRtpAvp:
+ return os << "RTP/AVP";
+ case SdpMediaSection::kUdp:
+ return os << "udp";
+ case SdpMediaSection::kVat:
+ return os << "vat";
+ case SdpMediaSection::kRtp:
+ return os << "rtp";
+ case SdpMediaSection::kUdptl:
+ return os << "udptl";
+ case SdpMediaSection::kTcp:
+ return os << "TCP";
+ case SdpMediaSection::kRtpAvpf:
+ return os << "RTP/AVPF";
+ case SdpMediaSection::kTcpRtpAvp:
+ return os << "TCP/RTP/AVP";
+ case SdpMediaSection::kRtpSavp:
+ return os << "RTP/SAVP";
+ case SdpMediaSection::kTcpBfcp:
+ return os << "TCP/BFCP";
+ case SdpMediaSection::kTcpTlsBfcp:
+ return os << "TCP/TLS/BFCP";
+ case SdpMediaSection::kTcpTls:
+ return os << "TCP/TLS";
+ case SdpMediaSection::kFluteUdp:
+ return os << "FLUTE/UDP";
+ case SdpMediaSection::kTcpMsrp:
+ return os << "TCP/MSRP";
+ case SdpMediaSection::kTcpTlsMsrp:
+ return os << "TCP/TLS/MSRP";
+ case SdpMediaSection::kDccp:
+ return os << "DCCP";
+ case SdpMediaSection::kDccpRtpAvp:
+ return os << "DCCP/RTP/AVP";
+ case SdpMediaSection::kDccpRtpSavp:
+ return os << "DCCP/RTP/SAVP";
+ case SdpMediaSection::kDccpRtpAvpf:
+ return os << "DCCP/RTP/AVPF";
+ case SdpMediaSection::kDccpRtpSavpf:
+ return os << "DCCP/RTP/SAVPF";
+ case SdpMediaSection::kRtpSavpf:
+ return os << "RTP/SAVPF";
+ case SdpMediaSection::kUdpTlsRtpSavp:
+ return os << "UDP/TLS/RTP/SAVP";
+ case SdpMediaSection::kTcpTlsRtpSavp:
+ return os << "TCP/TLS/RTP/SAVP";
+ case SdpMediaSection::kDccpTlsRtpSavp:
+ return os << "DCCP/TLS/RTP/SAVP";
+ case SdpMediaSection::kUdpTlsRtpSavpf:
+ return os << "UDP/TLS/RTP/SAVPF";
+ case SdpMediaSection::kTcpTlsRtpSavpf:
+ return os << "TCP/TLS/RTP/SAVPF";
+ case SdpMediaSection::kDccpTlsRtpSavpf:
+ return os << "DCCP/TLS/RTP/SAVPF";
+ case SdpMediaSection::kUdpMbmsFecRtpAvp:
+ return os << "UDP/MBMS-FEC/RTP/AVP";
+ case SdpMediaSection::kUdpMbmsFecRtpSavp:
+ return os << "UDP/MBMS-FEC/RTP/SAVP";
+ case SdpMediaSection::kUdpMbmsRepair:
+ return os << "UDP/MBMS-REPAIR";
+ case SdpMediaSection::kFecUdp:
+ return os << "FEC/UDP";
+ case SdpMediaSection::kUdpFec:
+ return os << "UDP/FEC";
+ case SdpMediaSection::kTcpMrcpv2:
+ return os << "TCP/MRCPv2";
+ case SdpMediaSection::kTcpTlsMrcpv2:
+ return os << "TCP/TLS/MRCPv2";
+ case SdpMediaSection::kPstn:
+ return os << "PSTN";
+ case SdpMediaSection::kUdpTlsUdptl:
+ return os << "UDP/TLS/UDPTL";
+ case SdpMediaSection::kSctp:
+ return os << "SCTP";
+ case SdpMediaSection::kSctpDtls:
+ return os << "SCTP/DTLS";
+ case SdpMediaSection::kDtlsSctp:
+ return os << "DTLS/SCTP";
+ }
+ MOZ_ASSERT(false, "Unknown Protocol");
+ return os << "?";
+}
+
+class SdpConnection
+{
+public:
+ SdpConnection(sdp::AddrType addrType, std::string addr, uint8_t ttl = 0,
+ uint32_t count = 0)
+ : mAddrType(addrType), mAddr(addr), mTtl(ttl), mCount(count)
+ {
+ }
+ ~SdpConnection() {}
+
+ sdp::AddrType
+ GetAddrType() const
+ {
+ return mAddrType;
+ }
+ const std::string&
+ GetAddress() const
+ {
+ return mAddr;
+ }
+ void
+ SetAddress(const std::string& address)
+ {
+ mAddr = address;
+ if (mAddr.find(':') != std::string::npos) {
+ mAddrType = sdp::kIPv6;
+ } else {
+ mAddrType = sdp::kIPv4;
+ }
+ }
+ uint8_t
+ GetTtl() const
+ {
+ return mTtl;
+ }
+ uint32_t
+ GetCount() const
+ {
+ return mCount;
+ }
+
+ void
+ Serialize(std::ostream& os) const
+ {
+ sdp::NetType netType = sdp::kInternet;
+
+ os << "c=" << netType << " " << mAddrType << " " << mAddr;
+
+ if (mTtl) {
+ os << "/" << static_cast<uint32_t>(mTtl);
+ if (mCount) {
+ os << "/" << mCount;
+ }
+ }
+ os << "\r\n";
+ }
+
+private:
+ sdp::AddrType mAddrType;
+ std::string mAddr;
+ uint8_t mTtl; // 0-255; 0 when unset
+ uint32_t mCount; // 0 when unset
+};
+
+inline std::ostream& operator<<(std::ostream& os, const SdpConnection& c)
+{
+ c.Serialize(os);
+ return os;
+}
+
+} // namespace mozilla
+
+#endif
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