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/scalability_mode_helper.h" 12 13 #include "modules/video_coding/svc/scalability_mode_util.h" 14 15 namespace webrtc { 16 ScalabilityModeStringToNumSpatialLayers(absl::string_view scalability_mode_string)17absl::optional<int> ScalabilityModeStringToNumSpatialLayers( 18 absl::string_view scalability_mode_string) { 19 absl::optional<ScalabilityMode> scalability_mode = 20 ScalabilityModeFromString(scalability_mode_string); 21 if (!scalability_mode.has_value()) { 22 return absl::nullopt; 23 } 24 return ScalabilityModeToNumSpatialLayers(*scalability_mode); 25 } 26 ScalabilityModeStringToNumTemporalLayers(absl::string_view scalability_mode_string)27absl::optional<int> ScalabilityModeStringToNumTemporalLayers( 28 absl::string_view scalability_mode_string) { 29 absl::optional<ScalabilityMode> scalability_mode = 30 ScalabilityModeFromString(scalability_mode_string); 31 if (!scalability_mode.has_value()) { 32 return absl::nullopt; 33 } 34 return ScalabilityModeToNumTemporalLayers(*scalability_mode); 35 } 36 37 } // namespace webrtc 38