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b3a83ba8a4
Bug: webrtc:11999 Change-Id: Id60d28cf54e35b23f5da0f05bb94c1d9dcc356b6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/185806 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32269}
54 lines
1.7 KiB
C++
54 lines
1.7 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_L3T1_H_
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#define MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L3T1_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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// S2 0-0-0-
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// | | |
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// S1 0-0-0-...
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// | | |
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// S0 0-0-0-
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// Time-> 0 1 2
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class ScalabilityStructureL3T1 : public ScalableVideoController {
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public:
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~ScalabilityStructureL3T1() 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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void OnRatesUpdated(const VideoBitrateAllocation& bitrates) override;
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private:
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enum FramePattern {
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kKeyFrame,
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kDeltaFrame,
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};
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static constexpr int kNumSpatialLayers = 3;
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FramePattern next_pattern_ = kKeyFrame;
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bool use_temporal_dependency_[kNumSpatialLayers] = {false, false, false};
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std::bitset<32> active_decode_targets_ = 0b111;
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L3T1_H_
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