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/*
* Copyright (c) 2022 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 "api/video_codecs/simulcast_stream.h"
#include <optional>
#include "api/video_codecs/scalability_mode.h"
#include "rtc_base/checks.h"
namespace webrtc {
unsigned char SimulcastStream::GetNumberOfTemporalLayers() const {
return numberOfTemporalLayers;
}
void SimulcastStream::SetNumberOfTemporalLayers(unsigned char n) {
RTC_DCHECK_GE(n, 1);
RTC_DCHECK_LE(n, 3);
numberOfTemporalLayers = n;
}
std::optional<ScalabilityMode> SimulcastStream::GetScalabilityMode() const {
static const ScalabilityMode scalability_modes[3] = {
ScalabilityMode::kL1T1,
ScalabilityMode::kL1T2,
ScalabilityMode::kL1T3,
};
if (numberOfTemporalLayers < 1 || numberOfTemporalLayers > 3) {
return std::nullopt;
}
return scalability_modes[numberOfTemporalLayers - 1];
}
bool SimulcastStream::operator==(const SimulcastStream& other) const {
return (width == other.width && height == other.height &&
maxFramerate == other.maxFramerate &&
numberOfTemporalLayers == other.numberOfTemporalLayers &&
maxBitrate == other.maxBitrate &&
targetBitrate == other.targetBitrate &&
minBitrate == other.minBitrate && qpMax == other.qpMax &&
active == other.active);
}
} // namespace webrtc
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