mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-15 14:50:39 +01:00
35 lines
1.1 KiB
C++
35 lines
1.1 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.
|
|
*/
|
|
#include "modules/video_coding/svc/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
|