/*
 *  Copyright (c) 2022 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_SVC_SCALABILITY_MODE_UTIL_H_
#define MODULES_VIDEO_CODING_SVC_SCALABILITY_MODE_UTIL_H_

#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
#include "api/video_codecs/scalability_mode.h"

namespace webrtc {

absl::optional<ScalabilityMode> ScalabilityModeFromString(
    absl::string_view scalability_mode_string);

absl::string_view ScalabilityModeToString(ScalabilityMode scalability_mode);

int ScalabilityModeToNumTemporalLayers(ScalabilityMode scalability_mode);

}  // namespace webrtc

#endif  // MODULES_VIDEO_CODING_SVC_SCALABILITY_MODE_UTIL_H_