1 /* 2 * Copyright (c) 2018 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 #ifndef MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_ 12 #define MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_ 13 14 #include <stdint.h> 15 16 #include "api/video_codecs/video_codec.h" 17 18 namespace webrtc { 19 20 class SimulcastUtility { 21 public: 22 static uint32_t SumStreamMaxBitrate(int streams, const VideoCodec& codec); 23 static int NumberOfSimulcastStreams(const VideoCodec& codec); 24 static bool ValidSimulcastParameters(const VideoCodec& codec, 25 int num_streams); 26 static int NumberOfTemporalLayers(const VideoCodec& codec, int spatial_id); 27 // TODO(sprang): Remove this hack when ScreenshareLayers is gone. 28 static bool IsConferenceModeScreenshare(const VideoCodec& codec); 29 }; 30 31 } // namespace webrtc 32 33 #endif // MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_ 34