text: /*
   *  Copyright (c) 2011 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 WEBRTC_MODULE_VIDEO_PROCESSING_IMPL_H
  #define WEBRTC_MODULE_VIDEO_PROCESSING_IMPL_H
  
  #include "webrtc/modules/video_processing/main/interface/video_processing.h"
  #include "webrtc/modules/video_processing/main/source/brighten.h"
  #include "webrtc/modules/video_processing/main/source/brightness_detection.h"
  #include "webrtc/modules/video_processing/main/source/deflickering.h"
  #include "webrtc/modules/video_processing/main/source/frame_preprocessor.h"
  
  namespace webrtc {
  class CriticalSectionWrapper;
  
  class VideoProcessingModuleImpl : public VideoProcessingModule {
   public:
    VideoProcessingModuleImpl(int32_t id);
  
    virtual ~VideoProcessingModuleImpl();
  
    void Reset() override;
  
    int32_t Deflickering(VideoFrame* frame, FrameStats* stats) override;
  
    int32_t BrightnessDetection(const VideoFrame& frame,
                                const FrameStats& stats) override;
  
    // Frame pre-processor functions
  
    // Enable temporal decimation
    void EnableTemporalDecimation(bool enable) override;
  
    void SetInputFrameResampleMode(VideoFrameResampling resampling_mode) override;
  
    // Enable content analysis
    void EnableContentAnalysis(bool enable) override;
  
    // Set Target Resolution: frame rate and dimension
    int32_t SetTargetResolution(uint32_t width,
                                uint32_t height,
                                uint32_t frame_rate) override;
  
    // Get decimated values: frame rate/dimension
    uint32_t Decimatedframe_rate() override;
    uint32_t DecimatedWidth() const override;
    uint32_t DecimatedHeight() const override;
  
    // Preprocess:
    // Pre-process incoming frame: Sample when needed and compute content
    // metrics when enabled.
    // If no resampling takes place - processed_frame is set to NULL.
    int32_t PreprocessFrame(const VideoFrame& frame,
                            VideoFrame** processed_frame) override;
    VideoContentMetrics* ContentMetrics() const override;
  
   private:
    CriticalSectionWrapper& mutex_;
    VPMDeflickering deflickering_;
    VPMBrightnessDetection brightness_detection_;
    VPMFramePreprocessor frame_pre_processor_;
  };
  
  }  // namespace
  
  #endif
  