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2d7db71fda
Bug: webrtc:13960 Change-Id: I349b08397e1cd1235bb15af1011aaac8383388b8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/273122 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com> Cr-Commit-Position: refs/heads/main@{#37949}
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
/*
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* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_VIDEO_CODING_SVC_SCALABILITY_MODE_UTIL_H_
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#define MODULES_VIDEO_CODING_SVC_SCALABILITY_MODE_UTIL_H_
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "api/video_codecs/scalability_mode.h"
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#include "api/video_codecs/video_codec.h"
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namespace webrtc {
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enum class ScalabilityModeResolutionRatio {
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kTwoToOne, // The resolution ratio between spatial layers is 2:1.
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kThreeToTwo, // The resolution ratio between spatial layers is 1.5:1.
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};
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absl::optional<ScalabilityMode> ScalabilityModeFromString(
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absl::string_view scalability_mode_string);
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InterLayerPredMode ScalabilityModeToInterLayerPredMode(
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ScalabilityMode scalability_mode);
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int ScalabilityModeToNumSpatialLayers(ScalabilityMode scalability_mode);
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int ScalabilityModeToNumTemporalLayers(ScalabilityMode scalability_mode);
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absl::optional<ScalabilityModeResolutionRatio> ScalabilityModeToResolutionRatio(
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ScalabilityMode scalability_mode);
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_SVC_SCALABILITY_MODE_UTIL_H_
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