Move usage of QualityScaler to ViEEncoder.

webrtc/video/overuse_frame_detector.cc

 /*
  *  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.
  */
 
@@ skipping 31 matching lines @@
 // Expontential back-off factor, to prevent annoying up-down behaviour.
 const double kRampUpBackoffFactor = 2.0;
 
 // Max number of overuses detected before always applying the rampup delay.
 const int kMaxOverusesBeforeApplyRampupDelay = 4;
 
 // The maximum exponent to use in VCMExpFilter.
 const float kSampleDiffMs = 33.0f;
 const float kMaxExp = 7.0f;
 
+const auto kScaleReasonCpu = ScalingObserverInterface::ScaleReason::kCpu;
 }  // namespace
 
 CpuOveruseOptions::CpuOveruseOptions()
     : high_encode_usage_threshold_percent(85),
       frame_timeout_interval_ms(1500),
       min_frame_samples(120),
       min_process_count(3),
       high_threshold_consecutive_count(2) {
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
   // This is proof-of-concept code for letting the physical core count affect
@@ skipping 135 matching lines @@
     // transferred to the task queue when PostDelayedTask was called.
     return false;
   }
   rtc::SequencedTaskChecker task_checker_;
   OveruseFrameDetector* overuse_detector_;
 };
 
 OveruseFrameDetector::OveruseFrameDetector(
     Clock* clock,
     const CpuOveruseOptions& options,
-    CpuOveruseObserver* observer,
+    ScalingObserverInterface* observer,
     EncodedFrameObserver* encoder_timing,
     CpuOveruseMetricsObserver* metrics_observer)
     : check_overuse_task_(nullptr),
       options_(options),
       observer_(observer),
       encoder_timing_(encoder_timing),
       metrics_observer_(metrics_observer),
       clock_(clock),
       num_process_times_(0),
       last_capture_time_ms_(-1),
@@ skipping 145 matching lines @@
         current_rampup_delay_ms_ = kStandardRampUpDelayMs;
       }
     }
 
     last_overuse_time_ms_ = now;
     in_quick_rampup_ = false;
     checks_above_threshold_ = 0;
     ++num_overuse_detections_;
 
     if (observer_)
-      observer_->OveruseDetected();
+      observer_->ScaleDown(kScaleReasonCpu);
   } else if (IsUnderusing(*metrics_, now)) {
     last_rampup_time_ms_ = now;
     in_quick_rampup_ = true;
 
     if (observer_)
-      observer_->NormalUsage();
+      observer_->ScaleUp(kScaleReasonCpu);
   }
 
   int rampup_delay =
       in_quick_rampup_ ? kQuickRampUpDelayMs : current_rampup_delay_ms_;
 
   LOG(LS_VERBOSE) << " Frame stats: "
                   << " encode usage " << metrics_->encode_usage_percent
                   << " overuse detections " << num_overuse_detections_
                   << " rampup delay " << rampup_delay;
 }
@@ skipping 13 matching lines @@
                                         int64_t time_now) {
   RTC_DCHECK_CALLED_SEQUENTIALLY(&task_checker_);
   int delay = in_quick_rampup_ ? kQuickRampUpDelayMs : current_rampup_delay_ms_;
   if (time_now < last_rampup_time_ms_ + delay)
     return false;
 
   return metrics.encode_usage_percent <
          options_.low_encode_usage_threshold_percent;
 }
 }  // namespace webrtc