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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/. */
#include "signaling/src/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::FindSctpmap(const std::string& pt) const
{
auto& attrs = GetAttributeList();
if (!attrs.HasAttribute(SdpAttribute::kSctpmapAttribute)) {
return nullptr;
}
const SdpSctpmapAttributeList& sctpmap = attrs.GetSctpmap();
if (!sctpmap.HasEntry(pt)) {
return nullptr;
}
return &sctpmap.GetEntry(pt);
}
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
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