webrtc/modules/video_coding/codecs/av1/scalability_structure_l2t2_key.h
Danil Chapovalov 4091d34171 Add av1 scalability structures for 2 spatial and 2 temporal layers.
Bug: webrtc:11404
Change-Id: I0a2257b88666a0158a85162974430c2c08d61b40
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176501
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31460}
2020-06-08 10:23:23 +00:00

53 lines
1.6 KiB
C++

/*
* 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_L2T2_KEY_H_
#define MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L2T2_KEY_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 {
// S1T1 0 0
// / / /
// S1T0 0---0---0
// | ...
// S0T1 | 0 0
// |/ / /
// S0T0 0---0---0
// Time-> 0 1 2 3 4
class ScalabilityStructureL2T2Key : public ScalableVideoController {
public:
~ScalabilityStructureL2T2Key() override;
StreamLayersConfig StreamConfig() const override;
FrameDependencyStructure DependencyStructure() const override;
std::vector<LayerFrameConfig> NextFrameConfig(bool restart) override;
absl::optional<GenericFrameInfo> OnEncodeDone(
LayerFrameConfig config) override;
private:
enum FramePattern {
kKey,
kDeltaT1,
kDeltaT0,
};
LayerFrameConfig KeyFrameConfig() const;
FramePattern next_pattern_ = kKey;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_AV1_SCALABILITY_STRUCTURE_L2T2_KEY_H_