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0e2dd1271e
Bug: webrtc:11404 Change-Id: I2a2a40202b1dc8bec66baffc8883e59b9be9bade Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176518 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31478}
53 lines
1.6 KiB
C++
53 lines
1.6 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_CODECS_AV1_SCALABILITY_STRUCTURE_L1T3_H_
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#define MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L1T3_H_
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#include <vector>
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#include "absl/types/optional.h"
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#include "api/transport/rtp/dependency_descriptor.h"
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#include "common_video/generic_frame_descriptor/generic_frame_info.h"
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#include "modules/video_coding/codecs/av1/scalable_video_controller.h"
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namespace webrtc {
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// T2 0 0 0 0
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// | / | /
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// T1 / 0 / 0 ...
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// |_/ |_/
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// T0 0-------0------
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// Time-> 0 1 2 3 4 5 6 7
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class ScalabilityStructureL1T3 : public ScalableVideoController {
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public:
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~ScalabilityStructureL1T3() override;
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StreamLayersConfig StreamConfig() const override;
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FrameDependencyStructure DependencyStructure() const override;
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std::vector<LayerFrameConfig> NextFrameConfig(bool restart) override;
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absl::optional<GenericFrameInfo> OnEncodeDone(
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LayerFrameConfig config) override;
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private:
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enum FramePattern {
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kKeyFrame,
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kDeltaFrameT2A,
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kDeltaFrameT1,
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kDeltaFrameT2B,
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kDeltaFrameT0,
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};
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FramePattern next_pattern_ = kKeyFrame;
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L1T3_H_
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