Delete unused VideoCapturer statistics.

webrtc/media/base/videocapturer.h

 /*
  *  Copyright (c) 2010 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.
  */
 
 // Declaration of abstract class VideoCapturer
 
 #ifndef WEBRTC_MEDIA_BASE_VIDEOCAPTURER_H_
 #define WEBRTC_MEDIA_BASE_VIDEOCAPTURER_H_
 
 #include <algorithm>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/media/base/videosourceinterface.h"
-#include "webrtc/base/rollingaccumulator.h"
 #include "webrtc/base/sigslot.h"
-#include "webrtc/base/timing.h"
 #include "webrtc/base/thread_checker.h"
-#include "webrtc/media/base/mediachannel.h"
 #include "webrtc/media/base/videoadapter.h"
 #include "webrtc/media/base/videobroadcaster.h"
 #include "webrtc/media/base/videocommon.h"
 #include "webrtc/media/base/videoframefactory.h"
 #include "webrtc/media/devices/devicemanager.h"
 
 
 namespace cricket {
 
 // Current state of the capturer.
@@ skipping 176 matching lines @@
   // and users must call video_adapter()->OnOutputFormatRequest()
   // to receive frames.
   bool enable_video_adapter() const { return enable_video_adapter_; }
   void set_enable_video_adapter(bool enable_video_adapter) {
     enable_video_adapter_ = enable_video_adapter;
   }
 
   // Takes ownership.
   void set_frame_factory(VideoFrameFactory* frame_factory);
 
-  // Gets statistics for tracked variables recorded since the last call to
-  // GetStats.  Note that calling GetStats resets any gathered data so it
-  // should be called only periodically to log statistics.
-  void GetStats(VariableInfo<int>* adapt_drop_stats,
-                VariableInfo<int>* effect_drop_stats,
-                VariableInfo<double>* frame_time_stats,
-                VideoFormat* last_captured_frame_format);
+  // TODO(nisse): Rename function? Or pass the frame format before
+  // adaptation in some other way.
+  void GetStats(VideoFormat* last_captured_frame_format);
 
   // Implements VideoSourceInterface
   void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
                        const rtc::VideoSinkWants& wants) override;
   void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override;
 
  protected:
   // Signal the captured and possibly adapted frame to downstream consumers
   // such as the encoder.
   // TODO(perkj): Remove once it is not used by remoting in Chrome.
@@ skipping 50 matching lines @@
   std::string ToString(const CapturedFrame* frame) const;
 
   // Updates filtered_supported_formats_ so that it contains the formats in
   // supported_formats_ that fulfill all applied restrictions.
   void UpdateFilteredSupportedFormats();
   // Returns true if format doesn't fulfill all applied restrictions.
   bool ShouldFilterFormat(const VideoFormat& format) const;
 
   void UpdateStats(const CapturedFrame* captured_frame);
 
-  // Helper function to save statistics on the current data from a
-  // RollingAccumulator into stats.
-  template<class T>
-  static void GetVariableSnapshot(
-      const rtc::RollingAccumulator<T>& data,
-      VariableInfo<T>* stats);
-
   rtc::ThreadChecker thread_checker_;
   std::string id_;
   CaptureState capture_state_;
   std::unique_ptr<VideoFrameFactory> frame_factory_;
   std::unique_ptr<VideoFormat> capture_format_;
   std::vector<VideoFormat> supported_formats_;
   std::unique_ptr<VideoFormat> max_format_;
   std::vector<VideoFormat> filtered_supported_formats_;
 
   int ratio_w_;  // View resolution. e.g. 1280 x 720.
   int ratio_h_;
   bool enable_camera_list_;
   bool square_pixel_aspect_ratio_;  // Enable scaling to square pixels.
   int scaled_width_;  // Current output size from ComputeScale.
   int scaled_height_;
 
   rtc::VideoBroadcaster broadcaster_;
   bool enable_video_adapter_;
   CoordinatedVideoAdapter video_adapter_;
 
-  rtc::Timing frame_length_time_reporter_;
   rtc::CriticalSection frame_stats_crit_;
 
-  int adapt_frame_drops_;
-  rtc::RollingAccumulator<int> adapt_frame_drops_data_;
-  double previous_frame_time_;
-  rtc::RollingAccumulator<double> frame_time_data_;
   // The captured frame format before potential adapation.
   VideoFormat last_captured_frame_format_;
 
   // Whether capturer should apply rotation to the frame before signaling it.
   bool apply_rotation_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(VideoCapturer);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOCAPTURER_H_