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5ab79e62f6
This is a reland of 16d4c4d4fb after
downstream project was updated to be prepared for the new SdpType.
Original change's description:
> Implement rollback for setRemoteDescription
>
> Bug: chromium:980875
> Change-Id: I4575e9ad1902a20937f9812f49edee2a2441f76d
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153525
> Commit-Queue: Eldar Rello <elrello@microsoft.com>
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Reviewed-by: Henrik Boström <hbos@webrtc.org>
> Reviewed-by: Steve Anton <steveanton@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#29422}
TBR=steveanton@webrtc.org
Bug: chromium:980875
Change-Id: Iba8d25bf2dc481b25a03eeae9818bd5f4c3eaa2d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/156569
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29460}
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "pc/sdp_utils.h"
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#include <memory>
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#include <string>
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#include <utility>
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#include "api/jsep_session_description.h"
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namespace webrtc {
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std::unique_ptr<SessionDescriptionInterface> CloneSessionDescription(
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const SessionDescriptionInterface* sdesc) {
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RTC_DCHECK(sdesc);
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return CloneSessionDescriptionAsType(sdesc, sdesc->GetType());
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}
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std::unique_ptr<SessionDescriptionInterface> CloneSessionDescriptionAsType(
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const SessionDescriptionInterface* sdesc,
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SdpType type) {
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RTC_DCHECK(sdesc);
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auto clone = std::make_unique<JsepSessionDescription>(type);
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if (sdesc->description()) {
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clone->Initialize(sdesc->description()->Clone(), sdesc->session_id(),
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sdesc->session_version());
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}
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// As of writing, our version of GCC does not allow returning a unique_ptr of
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// a subclass as a unique_ptr of a base class. To get around this, we need to
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// std::move the return value.
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return std::move(clone);
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}
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bool SdpContentsAll(SdpContentPredicate pred,
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const cricket::SessionDescription* desc) {
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RTC_DCHECK(desc);
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for (const auto& content : desc->contents()) {
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const auto* transport_info = desc->GetTransportInfoByName(content.name);
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if (!pred(&content, transport_info)) {
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return false;
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}
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}
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return true;
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}
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bool SdpContentsNone(SdpContentPredicate pred,
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const cricket::SessionDescription* desc) {
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return SdpContentsAll(
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[pred](const cricket::ContentInfo* content_info,
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const cricket::TransportInfo* transport_info) {
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return !pred(content_info, transport_info);
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},
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desc);
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}
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void SdpContentsForEach(SdpContentMutator fn,
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cricket::SessionDescription* desc) {
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RTC_DCHECK(desc);
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for (auto& content : desc->contents()) {
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auto* transport_info = desc->GetTransportInfoByName(content.name);
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fn(&content, transport_info);
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}
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}
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} // namespace webrtc
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