2152af8bb7
RTCVideoEncoder in chromium use it to generate dependency template and generic frame info for hw encode accelerators after encoding. https://chromium-review.googlesource.com/c/chromium/src/+/5849272 Bug: chromium:40763991 Change-Id: I96396ad972bf18790b09508e428c6362aae24a65 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/362151 Reviewed-by: Sergey Silkin <ssilkin@webrtc.org> Commit-Queue: Yingying Ma <yingying.ma@intel.com> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43087}
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020 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_CREATE_SCALABILITY_STRUCTURE_H_
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#define MODULES_VIDEO_CODING_SVC_CREATE_SCALABILITY_STRUCTURE_H_
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#include <memory>
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#include <optional>
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#include <vector>
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#include "api/video_codecs/scalability_mode.h"
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#include "modules/video_coding/svc/scalable_video_controller.h"
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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// Creates a structure by name according to
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// https://w3c.github.io/webrtc-svc/#scalabilitymodes*
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// Returns nullptr for unknown name.
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std::unique_ptr<ScalableVideoController> RTC_EXPORT
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CreateScalabilityStructure(ScalabilityMode name);
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// Returns description of the scalability structure identified by 'name',
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// Return nullopt for unknown name.
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std::optional<ScalableVideoController::StreamLayersConfig>
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ScalabilityStructureConfig(ScalabilityMode name);
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_SVC_CREATE_SCALABILITY_STRUCTURE_H_
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