blob: 7b05c92cf6614a02f1b8bdfdd3ce6c09dc0d13ec [file] [log] [blame]
/*
* 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.
*/
#include "modules/video_coding/codecs/av1/scalability_structure_l2t1h.h"
#include <utility>
#include <vector>
#include "absl/base/macros.h"
#include "api/transport/rtp/dependency_descriptor.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
namespace webrtc {
ScalabilityStructureL2T1h::~ScalabilityStructureL2T1h() = default;
ScalableVideoController::StreamLayersConfig
ScalabilityStructureL2T1h::StreamConfig() const {
StreamLayersConfig result;
result.num_spatial_layers = 2;
result.num_temporal_layers = 1;
// 1.5:1 scaling, see https://w3c.github.io/webrtc-svc/#scalabilitymodes*
result.scaling_factor_num[0] = 2;
result.scaling_factor_den[0] = 3;
return result;
}
} // namespace webrtc