|  | /* | 
|  | *  Copyright 2018 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/simulcast_description.h" | 
|  |  | 
|  | #include "rtc_base/checks.h" | 
|  |  | 
|  | namespace cricket { | 
|  |  | 
|  | SimulcastLayer::SimulcastLayer(absl::string_view rid, bool is_paused) | 
|  | : rid{rid}, is_paused{is_paused} { | 
|  | RTC_DCHECK(!rid.empty()); | 
|  | } | 
|  |  | 
|  | bool SimulcastLayer::operator==(const SimulcastLayer& other) const { | 
|  | return rid == other.rid && is_paused == other.is_paused; | 
|  | } | 
|  |  | 
|  | void SimulcastLayerList::AddLayer(const SimulcastLayer& layer) { | 
|  | list_.push_back({layer}); | 
|  | } | 
|  |  | 
|  | void SimulcastLayerList::AddLayerWithAlternatives( | 
|  | const std::vector<SimulcastLayer>& rids) { | 
|  | RTC_DCHECK(!rids.empty()); | 
|  | list_.push_back(rids); | 
|  | } | 
|  |  | 
|  | const std::vector<SimulcastLayer>& SimulcastLayerList::operator[]( | 
|  | size_t index) const { | 
|  | RTC_DCHECK_LT(index, list_.size()); | 
|  | return list_[index]; | 
|  | } | 
|  |  | 
|  | bool SimulcastDescription::empty() const { | 
|  | return send_layers_.empty() && receive_layers_.empty(); | 
|  | } | 
|  |  | 
|  | std::vector<SimulcastLayer> SimulcastLayerList::GetAllLayers() const { | 
|  | std::vector<SimulcastLayer> result; | 
|  | for (auto groupIt = begin(); groupIt != end(); groupIt++) { | 
|  | for (auto it = groupIt->begin(); it != groupIt->end(); it++) { | 
|  | result.push_back(*it); | 
|  | } | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | }  // namespace cricket |