1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/utility/simulcast_utility.h b/third_party/libwebrtc/modules/video_coding/utility/simulcast_utility.h
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index 0000000000..e25a594360
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+++ b/third_party/libwebrtc/modules/video_coding/utility/simulcast_utility.h
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+/*
+ *  Copyright (c) 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.
+ */
+
+#ifndef MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_
+#define MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_
+
+#include <stdint.h>
+
+#include "api/video_codecs/video_codec.h"
+
+namespace webrtc {
+
+class SimulcastUtility {
+ public:
+  static uint32_t SumStreamMaxBitrate(int streams, const VideoCodec& codec);
+  static int NumberOfSimulcastStreams(const VideoCodec& codec);
+  static bool ValidSimulcastParameters(const VideoCodec& codec,
+                                       int num_streams);
+  static int NumberOfTemporalLayers(const VideoCodec& codec, int spatial_id);
+  // TODO(sprang): Remove this hack when ScreenshareLayers is gone.
+  static bool IsConferenceModeScreenshare(const VideoCodec& codec);
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_UTILITY_SIMULCAST_UTILITY_H_