Update stats for cpu/quality adaptation changes to excluded time when video is suspended.

webrtc/video/vie_encoder_unittest.cc

 /*
  *  Copyright (c) 2016 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 770 matching lines @@
   sink_.WaitForEncodedFrame(frame_timestamp);
   frame_timestamp += kFrameIntervalMs;
 
   // Trigger CPU overuse.
   vie_encoder_->TriggerCpuOveruse();
   video_source_.IncomingCapturedFrame(
       CreateFrame(frame_timestamp, kFrameWidth, kFrameHeight));
   sink_.WaitForEncodedFrame(frame_timestamp);
   frame_timestamp += kFrameIntervalMs;
 
-  // Default degradation preference in maintain-framerate, so will lower max
+  // Default degradation preference is maintain-framerate, so will lower max
   // wanted resolution.
   EXPECT_FALSE(video_source_.sink_wants().target_pixel_count);
   EXPECT_LT(video_source_.sink_wants().max_pixel_count,
             kFrameWidth * kFrameHeight);
   EXPECT_EQ(std::numeric_limits<int>::max(),
             video_source_.sink_wants().max_framerate_fps);
 
   // Set new source, switch to maintain-resolution.
   test::FrameForwarder new_video_source;
   vie_encoder_->SetSource(
@@ skipping 303 matching lines @@
   EXPECT_TRUE(stats_proxy_->GetStats().cpu_limited_resolution);
   EXPECT_FALSE(stats_proxy_->GetStats().bw_limited_resolution);
   EXPECT_EQ(1, stats_proxy_->GetStats().number_of_cpu_adapt_changes);
 
   vie_encoder_->Stop();
 }
 
 TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
   vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
 
-  int kWidth = 1280;
-  int kHeight = 720;
+  const int kWidth = 1280;
+  const int kHeight = 720;
   int sequence = 1;
 
   video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight));
   sink_.WaitForEncodedFrame(sequence++);
 
   VideoSendStream::Stats stats = stats_proxy_->GetStats();
   EXPECT_FALSE(stats.cpu_limited_resolution);
   EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
 
   // Trigger CPU overuse again, should now adapt down.
@@ skipping 270 matching lines @@
   vie_encoder_->OnBitrateUpdated(kTooLowBitrateForFrameSizeBps, 0, 0);
   const int kWidth = 640;
   const int kHeight = 360;
 
   video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
 
   // Expect to drop this frame, the wait should time out.
   sink_.ExpectDroppedFrame();
 
   // Expect the sink_wants to specify a scaled frame.
-  EXPECT_LT(video_source_.sink_wants().max_pixel_count, 1000 * 1000);
+  EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight);
 
   int last_pixel_count = video_source_.sink_wants().max_pixel_count;
 
   // Next frame is scaled.
   video_source_.IncomingCapturedFrame(
       CreateFrame(2, kWidth * 3 / 4, kHeight * 3 / 4));
 
   // Expect to drop this frame, the wait should time out.
   sink_.ExpectDroppedFrame();
 
@@ skipping 246 matching lines @@
   for (int i = 0; i < 10; ++i) {
     timestamp_ms += kMinFpsFrameInterval;
     fake_clock.AdvanceTimeMicros(kMinFpsFrameInterval * 1000);
     video_source_.IncomingCapturedFrame(
         CreateFrame(timestamp_ms, kFrameWidth, kFrameHeight));
     sink_.WaitForEncodedFrame(timestamp_ms);
   }
   vie_encoder_->Stop();
 }
 }  // namespace webrtc