Repo created

TMessagesProj/jni/voip/webrtc/video/adaptation/quality_scaler_resource.h

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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/field_trials_view.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,
+                            const FieldTrialsView& field_trials);
+  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_