simulcast_stream.cc (1680B)
1 /* 2 * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "api/video_codecs/simulcast_stream.h" 12 13 #include <optional> 14 15 #include "api/video_codecs/scalability_mode.h" 16 #include "rtc_base/checks.h" 17 18 namespace webrtc { 19 20 unsigned char SimulcastStream::GetNumberOfTemporalLayers() const { 21 return numberOfTemporalLayers; 22 } 23 void SimulcastStream::SetNumberOfTemporalLayers(unsigned char n) { 24 RTC_DCHECK_GE(n, 1); 25 RTC_DCHECK_LE(n, 3); 26 numberOfTemporalLayers = n; 27 } 28 29 std::optional<ScalabilityMode> SimulcastStream::GetScalabilityMode() const { 30 static const ScalabilityMode scalability_modes[3] = { 31 ScalabilityMode::kL1T1, 32 ScalabilityMode::kL1T2, 33 ScalabilityMode::kL1T3, 34 }; 35 if (numberOfTemporalLayers < 1 || numberOfTemporalLayers > 3) { 36 return std::nullopt; 37 } 38 return scalability_modes[numberOfTemporalLayers - 1]; 39 } 40 41 bool SimulcastStream::operator==(const SimulcastStream& other) const { 42 return (width == other.width && height == other.height && 43 maxFramerate == other.maxFramerate && 44 numberOfTemporalLayers == other.numberOfTemporalLayers && 45 maxBitrate == other.maxBitrate && 46 targetBitrate == other.targetBitrate && 47 minBitrate == other.minBitrate && qpMax == other.qpMax && 48 active == other.active); 49 } 50 51 } // namespace webrtc