Logging basic bad call detection

webrtc/video/receive_statistics_proxy.h

 /*
  *  Copyright (c) 2013 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_VIDEO_RECEIVE_STATISTICS_PROXY_H_
 #define WEBRTC_VIDEO_RECEIVE_STATISTICS_PROXY_H_
 
 #include <map>
 #include <string>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/rate_statistics.h"
 #include "webrtc/base/ratetracker.h"
 #include "webrtc/base/thread_annotations.h"
 #include "webrtc/common_types.h"
 #include "webrtc/common_video/include/frame_callback.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
+#include "webrtc/video/quality_threshold.h"
 #include "webrtc/video/report_block_stats.h"
 #include "webrtc/video/stats_counter.h"
 #include "webrtc/video/video_stream_decoder.h"
 #include "webrtc/video_receive_stream.h"
 
 namespace webrtc {
 
 class Clock;
 class ViECodec;
 class ViEDecoderObserver;
@@ skipping 44 matching lines @@
       const RtcpPacketTypeCounter& packet_counter) override;
   // Overrides StreamDataCountersCallback.
   void DataCountersUpdated(const webrtc::StreamDataCounters& counters,
                            uint32_t ssrc) override;
 
  private:
   struct SampleCounter {
     SampleCounter() : sum(0), num_samples(0) {}
     void Add(int sample);
     int Avg(int min_required_samples) const;
+    void Reset();
 
    private:
     int sum;
     int num_samples;
   };
   struct QpCounters {
     SampleCounter vp8;
   };
 
   void UpdateHistograms() EXCLUSIVE_LOCKS_REQUIRED(crit_);
 
+  void QualitySample() EXCLUSIVE_LOCKS_REQUIRED(crit_);
+
   Clock* const clock_;
   // Ownership of this object lies with the owner of the ReceiveStatisticsProxy
   // instance.  Lifetime is guaranteed to outlive |this|.
   // TODO(tommi): In practice the config_ reference is only used for accessing
   // config_.rtp.ulpfec.ulpfec_payload_type.  Instead of holding a pointer back,
   // we could just store the value of ulpfec_payload_type and change the
   // ReceiveStatisticsProxy() ctor to accept a const& of Config (since we'll
   // then no longer store a pointer to the object).
   const VideoReceiveStream::Config& config_;
   const int64_t start_ms_;
 
   rtc::CriticalSection crit_;
+  int64_t last_sample_time_ GUARDED_BY(crit_);
+  QualityThreshold fps_threshold_ GUARDED_BY(crit_);
+  QualityThreshold qp_threshold_ GUARDED_BY(crit_);
+  QualityThreshold variance_threshold_ GUARDED_BY(crit_);
+  SampleCounter qp_sample_ GUARDED_BY(crit_);
   VideoReceiveStream::Stats stats_ GUARDED_BY(crit_);
   RateStatistics decode_fps_estimator_ GUARDED_BY(crit_);
   RateStatistics renders_fps_estimator_ GUARDED_BY(crit_);
   rtc::RateTracker render_fps_tracker_ GUARDED_BY(crit_);
   rtc::RateTracker render_pixel_tracker_ GUARDED_BY(crit_);
   SampleCounter render_width_counter_ GUARDED_BY(crit_);
   SampleCounter render_height_counter_ GUARDED_BY(crit_);
   SampleCounter sync_offset_counter_ GUARDED_BY(crit_);
   SampleCounter decode_time_counter_ GUARDED_BY(crit_);
   SampleCounter jitter_buffer_delay_counter_ GUARDED_BY(crit_);
   SampleCounter target_delay_counter_ GUARDED_BY(crit_);
   SampleCounter current_delay_counter_ GUARDED_BY(crit_);
   SampleCounter delay_counter_ GUARDED_BY(crit_);
   SampleCounter e2e_delay_counter_ GUARDED_BY(crit_);
   MaxCounter freq_offset_counter_ GUARDED_BY(crit_);
   int64_t first_report_block_time_ms_ GUARDED_BY(crit_);
   ReportBlockStats report_block_stats_ GUARDED_BY(crit_);
   QpCounters qp_counters_;  // Only accessed on the decoding thread.
   std::map<uint32_t, StreamDataCounters> rtx_stats_ GUARDED_BY(crit_);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_VIDEO_RECEIVE_STATISTICS_PROXY_H_