diff options
Diffstat (limited to 'dom/media/webrtc/sdp/SdpMediaSection.h')
| -rw-r--r-- | dom/media/webrtc/sdp/SdpMediaSection.h | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/SdpMediaSection.h b/dom/media/webrtc/sdp/SdpMediaSection.h new file mode 100644 index 0000000000..a205551a1d --- /dev/null +++ b/dom/media/webrtc/sdp/SdpMediaSection.h @@ -0,0 +1,317 @@ +/* -*- 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 "sdp/SdpEnum.h" +#include "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] + kTcpDtlsRtpSavp, // TCP/DTLS/RTP/SAVP [RFC7850] + kDccpTlsRtpSavp, // DCCP/TLS/RTP/SAVP [RFC5764] + kUdpTlsRtpSavpf, // UDP/TLS/RTP/SAVPF [RFC5764] + kTcpDtlsRtpSavpf, // TCP/DTLS/RTP/SAVPF [RFC7850] + 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] + kDtlsSctp, // DTLS/SCTP [draft-ietf-mmusic-sctp-sdp-07] + kUdpDtlsSctp, // UDP/DTLS/SCTP [draft-ietf-mmusic-sctp-sdp-21] + kTcpDtlsSctp // TCP/DTLS/SCTP [draft-ietf-mmusic-sctp-sdp-21] + }; + + 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& name, uint16_t port, + uint16_t streams, uint32_t message_size) = 0; + + size_t GetLevel() const { return mLevel; } + + inline bool IsReceiving() const { return GetDirection() & sdp::kRecv; } + + inline bool IsSending() const { return GetDirection() & sdp::kSend; } + + inline void SetReceiving(bool receiving) { + auto direction = GetDirection(); + if (direction & sdp::kSend) { + SetDirection(receiving ? SdpDirectionAttribute::kSendrecv + : SdpDirectionAttribute::kSendonly); + } else { + SetDirection(receiving ? SdpDirectionAttribute::kRecvonly + : SdpDirectionAttribute::kInactive); + } + } + + inline void SetSending(bool sending) { + auto direction = GetDirection(); + 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)); + } + + inline SdpDirectionAttribute::Direction GetDirection() const { + return GetDirectionAttribute().mValue; + } + + 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* GetSctpmap() const; + uint32_t GetSctpPort() const; + bool GetMaxMessageSize(uint32_t* size) 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::kTcpDtlsRtpSavp: + return os << "TCP/DTLS/RTP/SAVP"; + case SdpMediaSection::kDccpTlsRtpSavp: + return os << "DCCP/TLS/RTP/SAVP"; + case SdpMediaSection::kUdpTlsRtpSavpf: + return os << "UDP/TLS/RTP/SAVPF"; + case SdpMediaSection::kTcpDtlsRtpSavpf: + return os << "TCP/DTLS/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::kDtlsSctp: + return os << "DTLS/SCTP"; + case SdpMediaSection::kUdpDtlsSctp: + return os << "UDP/DTLS/SCTP"; + case SdpMediaSection::kTcpDtlsSctp: + return os << "TCP/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 |