| /* | 
 |  *  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 |