blob: b750b04a468444c2f54b3aaac58da2989ed3bd97 [file] [log] [blame]
* Copyright 2017 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "pc/sdp_utils.h"
#include <memory>
#include <utility>
#include "api/jsep_session_description.h"
#include "rtc_base/checks.h"
namespace webrtc {
std::unique_ptr<SessionDescriptionInterface> CloneSessionDescription(
const SessionDescriptionInterface* sdesc) {
return CloneSessionDescriptionAsType(sdesc, sdesc->GetType());
std::unique_ptr<SessionDescriptionInterface> CloneSessionDescriptionAsType(
const SessionDescriptionInterface* sdesc,
SdpType type) {
auto clone = std::make_unique<JsepSessionDescription>(type);
if (sdesc->description()) {
clone->Initialize(sdesc->description()->Clone(), sdesc->session_id(),
// As of writing, our version of GCC does not allow returning a unique_ptr of
// a subclass as a unique_ptr of a base class. To get around this, we need to
// std::move the return value.
return std::move(clone);
bool SdpContentsAll(SdpContentPredicate pred,
const cricket::SessionDescription* desc) {
for (const auto& content : desc->contents()) {
const auto* transport_info = desc->GetTransportInfoByName(;
if (!pred(&content, transport_info)) {
return false;
return true;
bool SdpContentsNone(SdpContentPredicate pred,
const cricket::SessionDescription* desc) {
return SdpContentsAll(
[pred](const cricket::ContentInfo* content_info,
const cricket::TransportInfo* transport_info) {
return !pred(content_info, transport_info);
void SdpContentsForEach(SdpContentMutator fn,
cricket::SessionDescription* desc) {
for (auto& content : desc->contents()) {
auto* transport_info = desc->GetTransportInfoByName(;
fn(&content, transport_info);
} // namespace webrtc