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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/webrtc/sdp/SdpHelper.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream/115.8.0esr.tar.xz firefox-esr-upstream/115.8.0esr.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webrtc/sdp/SdpHelper.h')
-rw-r--r-- | dom/media/webrtc/sdp/SdpHelper.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/SdpHelper.h b/dom/media/webrtc/sdp/SdpHelper.h new file mode 100644 index 0000000000..3c65d01442 --- /dev/null +++ b/dom/media/webrtc/sdp/SdpHelper.h @@ -0,0 +1,109 @@ +/* -*- 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 _SDPHELPER_H_ +#define _SDPHELPER_H_ + +#include "nsError.h" + +#include "sdp/SdpMediaSection.h" +#include "sdp/SdpAttribute.h" + +#include "transport/m_cpp_utils.h" + +#include <string> +#include <map> +#include <vector> + +namespace mozilla { +class SdpMediaSection; +class Sdp; + +class SdpHelper { + public: + // Takes a std::string* into which error strings will be written for the + // lifetime of the SdpHelper. + explicit SdpHelper(std::string* errorDest) : mLastError(*errorDest) {} + ~SdpHelper() {} + + nsresult GetComponent(const std::string& candidate, size_t* component); + nsresult CopyTransportParams(size_t numComponents, + const SdpMediaSection& source, + SdpMediaSection* dest); + bool AreOldTransportParamsValid(const Sdp& oldAnswer, + const Sdp& offerersPreviousSdp, + const Sdp& newOffer, size_t level); + bool IceCredentialsDiffer(const SdpMediaSection& msection1, + const SdpMediaSection& msection2); + + bool MsectionIsDisabled(const SdpMediaSection& msection) const; + static void DisableMsection(Sdp* sdp, SdpMediaSection* msection); + + // Maps each mid to the m-section that owns its bundle transport. + // Mids that do not appear in an a=group:BUNDLE do not appear here. + typedef std::map<std::string, const SdpMediaSection*> BundledMids; + + nsresult GetBundledMids(const Sdp& sdp, BundledMids* bundledMids); + + bool OwnsTransport(const Sdp& localSdp, uint16_t level, sdp::SdpType type); + bool OwnsTransport(const SdpMediaSection& msection, + const BundledMids& bundledMids, sdp::SdpType type); + void GetBundleGroups(const Sdp& sdp, + std::vector<SdpGroupAttributeList::Group>* groups) const; + + nsresult GetMidFromLevel(const Sdp& sdp, uint16_t level, std::string* mid); + nsresult GetIdsFromMsid(const Sdp& sdp, const SdpMediaSection& msection, + std::vector<std::string>* streamId); + nsresult GetMsids(const SdpMediaSection& msection, + std::vector<SdpMsidAttributeList::Msid>* msids); + nsresult ParseMsid(const std::string& msidAttribute, std::string* streamId, + std::string* trackId); + nsresult AddCandidateToSdp(Sdp* sdp, const std::string& candidate, + uint16_t level, const std::string& ufrag); + nsresult SetIceGatheringComplete(Sdp* sdp, const std::string& ufrag); + nsresult SetIceGatheringComplete(Sdp* sdp, uint16_t level, + const std::string& ufrag); + void SetDefaultAddresses(const std::string& defaultCandidateAddr, + uint16_t defaultCandidatePort, + const std::string& defaultRtcpCandidateAddr, + uint16_t defaultRtcpCandidatePort, + SdpMediaSection* msection); + void SetupMsidSemantic(const std::vector<std::string>& msids, Sdp* sdp) const; + + std::string GetCNAME(const SdpMediaSection& msection) const; + + SdpMediaSection* FindMsectionByMid(Sdp& sdp, const std::string& mid) const; + + const SdpMediaSection* FindMsectionByMid(const Sdp& sdp, + const std::string& mid) const; + + nsresult CopyStickyParams(const SdpMediaSection& source, + SdpMediaSection* dest); + bool HasRtcp(SdpMediaSection::Protocol proto) const; + static SdpMediaSection::Protocol GetProtocolForMediaType( + SdpMediaSection::MediaType type); + void AppendSdpParseErrors( + const std::vector<std::pair<size_t, std::string> >& aErrors, + std::string* aErrorString); + + static bool GetPtAsInt(const std::string& ptString, uint16_t* ptOutparam); + + void NegotiateAndAddExtmaps( + const SdpMediaSection& remoteMsection, + std::vector<SdpExtmapAttributeList::Extmap>& localExtensions, + SdpMediaSection* localMsection); + + bool SdpMatch(const Sdp& sdp1, const Sdp& sdp2); + nsresult ValidateTransportAttributes(const Sdp& aSdp, sdp::SdpType aType); + + private: + std::string& mLastError; + + DISALLOW_COPY_ASSIGN(SdpHelper); +}; +} // namespace mozilla + +#endif // _SDPHELPER_H_ |