Nagram/TMessagesProj/jni/webrtc/video/adaptation/quality_rampup_experiment_helper.h
2020-08-14 19:58:22 +03:00

69 lines
2.2 KiB
C++

/*
* Copyright 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 VIDEO_ADAPTATION_QUALITY_RAMPUP_EXPERIMENT_HELPER_H_
#define VIDEO_ADAPTATION_QUALITY_RAMPUP_EXPERIMENT_HELPER_H_
#include <memory>
#include "api/scoped_refptr.h"
#include "api/units/data_rate.h"
#include "rtc_base/experiments/quality_rampup_experiment.h"
#include "system_wrappers/include/clock.h"
#include "video/adaptation/quality_scaler_resource.h"
namespace webrtc {
class QualityRampUpExperimentListener {
public:
virtual ~QualityRampUpExperimentListener() = default;
virtual void OnQualityRampUp() = 0;
};
// Helper class for orchestrating the WebRTC-Video-QualityRampupSettings
// experiment.
class QualityRampUpExperimentHelper {
public:
// Returns a QualityRampUpExperimentHelper if the experiment is enabled,
// an nullptr otherwise.
static std::unique_ptr<QualityRampUpExperimentHelper> CreateIfEnabled(
QualityRampUpExperimentListener* experiment_listener,
Clock* clock);
QualityRampUpExperimentHelper(const QualityRampUpExperimentHelper&) = delete;
QualityRampUpExperimentHelper& operator=(
const QualityRampUpExperimentHelper&) = delete;
void cpu_adapted(bool cpu_adapted);
void qp_resolution_adaptations(int qp_adaptations);
void PerformQualityRampupExperiment(
rtc::scoped_refptr<QualityScalerResource> quality_scaler_resource,
DataRate bandwidth,
DataRate encoder_target_bitrate,
DataRate max_bitrate,
int pixels);
private:
QualityRampUpExperimentHelper(
QualityRampUpExperimentListener* experiment_listener,
Clock* clock,
QualityRampupExperiment experiment);
QualityRampUpExperimentListener* const experiment_listener_;
Clock* clock_;
QualityRampupExperiment quality_rampup_experiment_;
bool cpu_adapted_;
int qp_resolution_adaptations_;
};
} // namespace webrtc
#endif // VIDEO_ADAPTATION_QUALITY_RAMPUP_EXPERIMENT_HELPER_H_