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 "api/video_codecs/video_encoder.h"
15
16namespace webrtc {
17
18class SimulcastUtility {
19 public:
20 static uint32_t SumStreamMaxBitrate(int streams, const VideoCodec& codec);
21 static int NumberOfSimulcastStreams(const VideoCodec& codec);
22 static bool ValidSimulcastResolutions(const VideoCodec& codec,
23 int num_streams);
24 static bool ValidSimulcastTemporalLayers(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