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da7fe39b84
To make it natural to reuse them for vp9 Bug: webrtc:11999 Change-Id: If2ef7ca16b8be96e0e03bb19211d9f5eb74b2d3d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/188620 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32414}
35 lines
1.1 KiB
C++
35 lines
1.1 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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#include "modules/video_coding/svc/scalability_structure_l2t1h.h"
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#include <utility>
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#include <vector>
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#include "absl/base/macros.h"
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#include "api/transport/rtp/dependency_descriptor.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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namespace webrtc {
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ScalabilityStructureL2T1h::~ScalabilityStructureL2T1h() = default;
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ScalableVideoController::StreamLayersConfig
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ScalabilityStructureL2T1h::StreamConfig() const {
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StreamLayersConfig result;
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result.num_spatial_layers = 2;
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result.num_temporal_layers = 1;
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// 1.5:1 scaling, see https://w3c.github.io/webrtc-svc/#scalabilitymodes*
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result.scaling_factor_num[0] = 2;
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result.scaling_factor_den[0] = 3;
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return result;
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}
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} // namespace webrtc
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