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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/media/webrtc/sdp/SdpMediaSection.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webrtc/sdp/SdpMediaSection.cpp')
-rw-r--r-- | dom/media/webrtc/sdp/SdpMediaSection.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/SdpMediaSection.cpp b/dom/media/webrtc/sdp/SdpMediaSection.cpp new file mode 100644 index 0000000000..dd8f6e54fe --- /dev/null +++ b/dom/media/webrtc/sdp/SdpMediaSection.cpp @@ -0,0 +1,197 @@ +/* -*- 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/. */ + +#include "sdp/SdpMediaSection.h" + +namespace mozilla { +const SdpFmtpAttributeList::Parameters* SdpMediaSection::FindFmtp( + const std::string& pt) const { + const SdpAttributeList& attrs = GetAttributeList(); + + if (attrs.HasAttribute(SdpAttribute::kFmtpAttribute)) { + for (auto& fmtpAttr : attrs.GetFmtp().mFmtps) { + if (fmtpAttr.format == pt && fmtpAttr.parameters) { + return fmtpAttr.parameters.get(); + } + } + } + return nullptr; +} + +void SdpMediaSection::SetFmtp(const SdpFmtpAttributeList::Fmtp& fmtpToSet) { + UniquePtr<SdpFmtpAttributeList> fmtps(new SdpFmtpAttributeList); + + if (GetAttributeList().HasAttribute(SdpAttribute::kFmtpAttribute)) { + *fmtps = GetAttributeList().GetFmtp(); + } + + bool found = false; + for (SdpFmtpAttributeList::Fmtp& fmtp : fmtps->mFmtps) { + if (fmtp.format == fmtpToSet.format) { + fmtp = fmtpToSet; + found = true; + } + } + + if (!found) { + fmtps->mFmtps.push_back(fmtpToSet); + } + + GetAttributeList().SetAttribute(fmtps.release()); +} + +void SdpMediaSection::RemoveFmtp(const std::string& pt) { + UniquePtr<SdpFmtpAttributeList> fmtps(new SdpFmtpAttributeList); + + SdpAttributeList& attrList = GetAttributeList(); + if (attrList.HasAttribute(SdpAttribute::kFmtpAttribute)) { + *fmtps = attrList.GetFmtp(); + } + + for (size_t i = 0; i < fmtps->mFmtps.size(); ++i) { + if (pt == fmtps->mFmtps[i].format) { + fmtps->mFmtps.erase(fmtps->mFmtps.begin() + i); + break; + } + } + + attrList.SetAttribute(fmtps.release()); +} + +const SdpRtpmapAttributeList::Rtpmap* SdpMediaSection::FindRtpmap( + const std::string& pt) const { + auto& attrs = GetAttributeList(); + if (!attrs.HasAttribute(SdpAttribute::kRtpmapAttribute)) { + return nullptr; + } + + const SdpRtpmapAttributeList& rtpmap = attrs.GetRtpmap(); + if (!rtpmap.HasEntry(pt)) { + return nullptr; + } + + return &rtpmap.GetEntry(pt); +} + +const SdpSctpmapAttributeList::Sctpmap* SdpMediaSection::GetSctpmap() const { + auto& attrs = GetAttributeList(); + if (!attrs.HasAttribute(SdpAttribute::kSctpmapAttribute)) { + return nullptr; + } + + const SdpSctpmapAttributeList& sctpmap = attrs.GetSctpmap(); + if (sctpmap.mSctpmaps.empty()) { + return nullptr; + } + + return &sctpmap.GetFirstEntry(); +} + +uint32_t SdpMediaSection::GetSctpPort() const { + auto& attrs = GetAttributeList(); + if (!attrs.HasAttribute(SdpAttribute::kSctpPortAttribute)) { + return 0; + } + + return attrs.GetSctpPort(); +} + +bool SdpMediaSection::GetMaxMessageSize(uint32_t* size) const { + *size = 0; + + auto& attrs = GetAttributeList(); + if (!attrs.HasAttribute(SdpAttribute::kMaxMessageSizeAttribute)) { + return false; + } + + *size = attrs.GetMaxMessageSize(); + return true; +} + +bool SdpMediaSection::HasRtcpFb(const std::string& pt, + SdpRtcpFbAttributeList::Type type, + const std::string& subType) const { + const SdpAttributeList& attrs(GetAttributeList()); + + if (!attrs.HasAttribute(SdpAttribute::kRtcpFbAttribute)) { + return false; + } + + for (auto& rtcpfb : attrs.GetRtcpFb().mFeedbacks) { + if (rtcpfb.type == type) { + if (rtcpfb.pt == "*" || rtcpfb.pt == pt) { + if (rtcpfb.parameter == subType) { + return true; + } + } + } + } + + return false; +} + +SdpRtcpFbAttributeList SdpMediaSection::GetRtcpFbs() const { + SdpRtcpFbAttributeList result; + if (GetAttributeList().HasAttribute(SdpAttribute::kRtcpFbAttribute)) { + result = GetAttributeList().GetRtcpFb(); + } + return result; +} + +void SdpMediaSection::SetRtcpFbs(const SdpRtcpFbAttributeList& rtcpfbs) { + if (rtcpfbs.mFeedbacks.empty()) { + GetAttributeList().RemoveAttribute(SdpAttribute::kRtcpFbAttribute); + return; + } + + GetAttributeList().SetAttribute(new SdpRtcpFbAttributeList(rtcpfbs)); +} + +void SdpMediaSection::SetSsrcs(const std::vector<uint32_t>& ssrcs, + const std::string& cname) { + if (ssrcs.empty()) { + GetAttributeList().RemoveAttribute(SdpAttribute::kSsrcAttribute); + return; + } + + UniquePtr<SdpSsrcAttributeList> ssrcAttr(new SdpSsrcAttributeList); + for (auto ssrc : ssrcs) { + // When using ssrc attributes, we are required to at least have a cname. + // (See https://tools.ietf.org/html/rfc5576#section-6.1) + std::string cnameAttr("cname:"); + cnameAttr += cname; + ssrcAttr->PushEntry(ssrc, cnameAttr); + } + + GetAttributeList().SetAttribute(ssrcAttr.release()); +} + +void SdpMediaSection::AddMsid(const std::string& id, + const std::string& appdata) { + UniquePtr<SdpMsidAttributeList> msids(new SdpMsidAttributeList); + if (GetAttributeList().HasAttribute(SdpAttribute::kMsidAttribute)) { + msids->mMsids = GetAttributeList().GetMsid().mMsids; + } + msids->PushEntry(id, appdata); + GetAttributeList().SetAttribute(msids.release()); +} + +const SdpRidAttributeList::Rid* SdpMediaSection::FindRid( + const std::string& id) const { + if (!GetAttributeList().HasAttribute(SdpAttribute::kRidAttribute)) { + return nullptr; + } + + for (const auto& rid : GetAttributeList().GetRid().mRids) { + if (rid.id == id) { + return &rid; + } + } + + return nullptr; +} + +} // namespace mozilla |