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/*
* 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_SCALER_RESOURCE_H_
#define VIDEO_ADAPTATION_QUALITY_SCALER_RESOURCE_H_
#include <memory>
#include <queue>
#include <string>
#include "absl/types/optional.h"
#include "api/scoped_refptr.h"
#include "api/video/video_adaptation_reason.h"
#include "api/video_codecs/video_encoder.h"
#include "call/adaptation/degradation_preference_provider.h"
#include "call/adaptation/resource_adaptation_processor_interface.h"
#include "modules/video_coding/utility/quality_scaler.h"
#include "video/adaptation/video_stream_encoder_resource.h"
namespace webrtc {
// Handles interaction with the QualityScaler.
class QualityScalerResource : public VideoStreamEncoderResource,
public QualityScalerQpUsageHandlerInterface {
public:
static rtc::scoped_refptr<QualityScalerResource> Create();
QualityScalerResource();
~QualityScalerResource() override;
bool is_started() const;
void StartCheckForOveruse(VideoEncoder::QpThresholds qp_thresholds);
void StopCheckForOveruse();
void SetQpThresholds(VideoEncoder::QpThresholds qp_thresholds);
bool QpFastFilterLow();
void OnEncodeCompleted(const EncodedImage& encoded_image,
int64_t time_sent_in_us);
void OnFrameDropped(EncodedImageCallback::DropReason reason);
// QualityScalerQpUsageHandlerInterface implementation.
void OnReportQpUsageHigh() override;
void OnReportQpUsageLow() override;
private:
std::unique_ptr<QualityScaler> quality_scaler_
RTC_GUARDED_BY(encoder_queue());
};
} // namespace webrtc
#endif // VIDEO_ADAPTATION_QUALITY_SCALER_RESOURCE_H_
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