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/*
* Copyright (c) 2020 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_CODECS_AV1_SCALABILITY_STRUCTURE_S2T1_H_
#define MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_S2T1_H_
#include <vector>
#include "api/transport/rtp/dependency_descriptor.h"
#include "common_video/generic_frame_descriptor/generic_frame_info.h"
#include "modules/video_coding/codecs/av1/scalable_video_controller.h"
namespace webrtc {
// S1 0--0--0-
// ...
// S0 0--0--0-
class ScalabilityStructureS2T1 : public ScalableVideoController {
public:
~ScalabilityStructureS2T1() override;
StreamLayersConfig StreamConfig() const override;
FrameDependencyStructure DependencyStructure() const override;
std::vector<LayerFrameConfig> NextFrameConfig(bool restart) override;
absl::optional<GenericFrameInfo> OnEncodeDone(
LayerFrameConfig config) override;
private:
bool keyframe_ = true;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_S2T1_H_