Move direct use of VideoCapturer::VideoAdapter to VideoSinkWants.

webrtc/media/base/videoadapter_unittest.cc

 /*
  *  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.
  */
 
 // If we don't have a WebRtcVideoFrame, just skip all of these tests.
 #if defined(HAVE_WEBRTC_VIDEO)
 #include <limits.h>  // For INT_MAX
 #include <string>
 #include <vector>
 
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/sigslot.h"
 #include "webrtc/media/base/fakevideocapturer.h"
 #include "webrtc/media/base/mediachannel.h"
 #include "webrtc/media/base/testutils.h"
 #include "webrtc/media/base/videoadapter.h"
 
 namespace cricket {
 
-namespace {
-static const uint32_t kWaitTimeout = 3000U;       // 3 seconds.
-static const uint32_t kShortWaitTimeout = 1000U;  // 1 second.
-  void UpdateCpuLoad(CoordinatedVideoAdapter* adapter,
-    int current_cpus, int max_cpus, float process_load, float system_load) {
-    adapter->set_cpu_load_min_samples(1);
-    adapter->OnCpuLoadUpdated(current_cpus, max_cpus,
-                              process_load, system_load);
-  }
-}
-
 class VideoAdapterTest : public testing::Test {
  public:
   virtual void SetUp() {
     capturer_.reset(new FakeVideoCapturer);
     capture_format_ = capturer_->GetSupportedFormats()->at(0);
     capture_format_.interval = VideoFormat::FpsToInterval(50);
     adapter_.reset(new VideoAdapter());
     adapter_->SetInputFormat(capture_format_);
 
     listener_.reset(new VideoCapturerListener(adapter_.get()));
@@ skipping 357 matching lines @@
   EXPECT_EQ(640, adapter.output_format().width);
   EXPECT_EQ(400, adapter.output_format().height);
 
   // Server format request 1280x720, higher than input. Adapt nothing.
   format.width = 1280;
   format.height = 720;
   adapter.OnOutputFormatRequest(format);
   EXPECT_EQ(640, adapter.output_format().width);
   EXPECT_EQ(400, adapter.output_format().height);
 
-  // Cpu load is high, but cpu adaptation is disabled. Adapt nothing.
-  adapter.OnCpuLoadUpdated(1, 1, 0.99f, 0.99f);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
   // Encoder resolution request: downgrade with different size. Adapt nothing.
   adapter.OnEncoderResolutionRequest(320, 200,
                                      CoordinatedVideoAdapter::DOWNGRADE);
   EXPECT_EQ(640, adapter.output_format().width);
   EXPECT_EQ(400, adapter.output_format().height);
 
   // Encoder resolution request: downgrade.
   adapter.OnEncoderResolutionRequest(640, 400,
                                      CoordinatedVideoAdapter::DOWNGRADE);
   EXPECT_EQ(480, adapter.output_format().width);
@@ skipping 94 matching lines @@
   EXPECT_EQ(200, adapter.output_format().height);
 
   // Server format request 480x300.
   format.width = 480;
   format.height = 300;
   adapter.OnOutputFormatRequest(format);
   EXPECT_EQ(480, adapter.output_format().width);
   EXPECT_EQ(300, adapter.output_format().height);
 }
 
-TEST(CoordinatedVideoAdapterTest, TestCoordinatedWithCpuAdaptation) {
-  CoordinatedVideoAdapter adapter;
-  adapter.set_cpu_adaptation(true);
-  EXPECT_FALSE(adapter.cpu_smoothing());
-  VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-
-  // Server format request 640x400.
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Process load is medium, but system load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.55f, 0.98f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // CPU high, but cpu adaptation disabled. Adapt nothing.
-  adapter.set_cpu_adaptation(false);
-  adapter.OnCpuLoadUpdated(1, 1, 0.55f, 0.98f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-  adapter.set_cpu_adaptation(true);
-
-  // System load is high, but time has not elaspsed. Adapt nothing.
-  adapter.set_cpu_load_min_samples(2);
-  adapter.OnCpuLoadUpdated(1, 1, 0.55f, 0.98f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Process load is medium, but system load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.55f, 0.98f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is CPU.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
-            adapter.adapt_reason());
-
-  // Server format request 320x200. Same as CPU. Do nothing.
-  format.width = 320;
-  format.height = 200;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is CPU and VIEW.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU +
-            CoordinatedVideoAdapter::ADAPTREASON_VIEW,
-            adapter.adapt_reason());
-
-  // Process load and system load are normal. Adapt nothing.
-  UpdateCpuLoad(&adapter, 1, 1, 0.5f, 0.8f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Process load and system load are low, but view is still low. Adapt nothing.
-  UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is VIEW.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW,
-            adapter.adapt_reason());
-
-  // Server format request 640x400. Cpu is still low.  Upgrade.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Test reason for adapting is CPU.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
-            adapter.adapt_reason());
-
-  // Encoder resolution request: downgrade.
-  adapter.OnEncoderResolutionRequest(480, 300,
-                                     CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is BANDWIDTH.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_BANDWIDTH,
-            adapter.adapt_reason());
-
-  // Process load and system load are low. Constrained by GD. Adapt nothing
-  adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Encoder resolution request: upgrade.
-  adapter.OnEncoderResolutionRequest(320, 200,
-                                     CoordinatedVideoAdapter::UPGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Encoder resolution request: upgrade. Constrained by CPU.
-  adapter.OnEncoderResolutionRequest(480, 300,
-                                     CoordinatedVideoAdapter::UPGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Server format request 640x400. Constrained by CPU.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-}
-
-TEST(CoordinatedVideoAdapterTest, TestCoordinatedWithCpuRequest) {
-  CoordinatedVideoAdapter adapter;
-  adapter.set_cpu_adaptation(true);
-  EXPECT_FALSE(adapter.cpu_smoothing());
-  VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-
-  // Server format request 640x400.
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // CPU resolution request: downgrade.  Adapt down.
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // CPU resolution request: keep. Do nothing.
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::KEEP);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // CPU resolution request: downgrade, but cpu adaptation disabled.
-  // Adapt nothing.
-  adapter.set_cpu_adaptation(false);
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // CPU resolution request: downgrade.  Adapt down.
-  adapter.set_cpu_adaptation(true);
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is CPU.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
-            adapter.adapt_reason());
-
-  // CPU resolution request: downgrade, but already at minimum.  Do nothing.
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Server format request 320x200. Same as CPU. Do nothing.
-  format.width = 320;
-  format.height = 200;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is CPU and VIEW.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU +
-            CoordinatedVideoAdapter::ADAPTREASON_VIEW,
-            adapter.adapt_reason());
-
-  // CPU resolution request: upgrade, but view request still low. Do nothing.
-  adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::UPGRADE);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is VIEW.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW,
-            adapter.adapt_reason());
-
-  // Server format request 640x400. Cpu is still low.  Upgrade.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Test reason for adapting is CPU.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU,
-            adapter.adapt_reason());
-
-  // Encoder resolution request: downgrade.
-  adapter.OnEncoderResolutionRequest(480, 300,
-                                     CoordinatedVideoAdapter::DOWNGRADE);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Test reason for adapting is BANDWIDTH.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_BANDWIDTH,
-            adapter.adapt_reason());
-
-  // Process load and system load are low. Constrained by GD. Adapt nothing
-  adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Encoder resolution request: upgrade.
-  adapter.OnEncoderResolutionRequest(320, 200,
-                                     CoordinatedVideoAdapter::UPGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Encoder resolution request: upgrade. Constrained by CPU.
-  adapter.OnEncoderResolutionRequest(480, 300,
-                                     CoordinatedVideoAdapter::UPGRADE);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Server format request 640x400. Constrained by CPU.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-}
-
 TEST(CoordinatedVideoAdapterTest, TestViewRequestPlusCameraSwitch) {
   CoordinatedVideoAdapter adapter;
   adapter.set_view_switch(true);
 
   // Start at HD.
   VideoFormat format(1280, 720, VideoFormat::FpsToInterval(30), FOURCC_I420);
   adapter.SetInputFormat(format);
   EXPECT_EQ(format, adapter.input_format());
   EXPECT_TRUE(adapter.output_format().IsSize0x0());
 
@@ skipping 41 matching lines @@
   adapter.OnOutputFormatRequest(format);
   // At this point, we have to adapt down to something lower.
   EXPECT_EQ(480, adapter.output_format().width);
   EXPECT_EQ(360, adapter.output_format().height);
 
   // But if frames come in at 640x360, we shouldn't adapt them down.
   // Fake a 640x360 frame.
   VideoFormat out_format = adapter.AdaptFrameResolution(640, 360);
   EXPECT_EQ(640, out_format.width);
   EXPECT_EQ(360, out_format.height);
-
-  // Similarly, no-op adapt requests for other reasons shouldn't change
-  // adaptation state (before a previous bug, the previous EXPECTs would
-  // fail and the following would succeed, as the no-op CPU request would
-  // fix the adaptation state).
-  adapter.set_cpu_adaptation(true);
-  UpdateCpuLoad(&adapter, 1, 1, 0.7f, 0.7f);
-  out_format = adapter.AdaptFrameResolution(640, 360);
-
-  EXPECT_EQ(640, out_format.width);
-  EXPECT_EQ(360, out_format.height);
 }
 
 // When adapting resolution for CPU or GD, the quantity of pixels that the
 // request is based on is reduced to half or double, and then an actual
 // resolution is snapped to, rounding to the closest actual resolution.
 // This works well for some tolerance to 3/4, odd widths and aspect ratios
 // that dont exactly match, but is not best behavior for ViewRequests which
 // need to be be strictly respected to avoid going over the resolution budget
 // given to the codec - 854x480 total pixels.
 // ViewRequest must find a lower resolution.
@@ skipping 11 matching lines @@
   format.width = 640;
   format.height = 400;
   adapter.OnOutputFormatRequest(format);
   EXPECT_EQ(640, adapter.output_format().width);
   EXPECT_EQ(360, adapter.output_format().height);
 
   // Test reason for adapting is VIEW.
   EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, adapter.adapt_reason());
 }
 
-// Test that we downgrade video for cpu up to two times.
-TEST(CoordinatedVideoAdapterTest, TestCpuDowngradeTimes) {
-  CoordinatedVideoAdapter adapter;
-  adapter.set_cpu_adaptation(true);
-  EXPECT_FALSE(adapter.cpu_smoothing());
-  VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-
-  // Server format request 640x400.
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Process load and system load are low. Do not change the cpu desired format
-  // and do not adapt.
-  adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // System load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // System load is high. Downgrade again.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // System load is still high. Do not downgrade any more.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Process load and system load are low. Upgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // System load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // System load is still high. Do not downgrade any more.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-}
-
-// Test that we respect CPU adapter threshold values.
-TEST(CoordinatedVideoAdapterTest, TestAdapterCpuThreshold) {
-  CoordinatedVideoAdapter adapter;
-  adapter.set_cpu_adaptation(true);
-  EXPECT_FALSE(adapter.cpu_smoothing());
-  VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-
-  // Server format request 640x400.
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Process load and system load are low. Do not change the cpu desired format
-  // and do not adapt.
-  adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // System load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // Test reason for adapting is CPU.
-  EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, adapter.adapt_reason());
-
-  // System load is high. Normally downgrade but threshold is high. Do nothing.
-  adapter.set_high_system_threshold(0.98f);  // Set threshold high.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(300, adapter.output_format().height);
-
-  // System load is medium. Normally do nothing, threshold is low. Adapt down.
-  adapter.set_high_system_threshold(0.75f);  // Set threshold low.
-  UpdateCpuLoad(&adapter, 1, 1, 0.8f, 0.8f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-}
-
-
-// Test that for an upgrade cpu request, we actually upgrade the desired format;
-// for a downgrade request, we downgrade from the output format.
-TEST(CoordinatedVideoAdapterTest, TestRealCpuUpgrade) {
-  CoordinatedVideoAdapter adapter;
-  adapter.set_cpu_adaptation(true);
-  adapter.set_cpu_smoothing(true);
-  VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-
-  // Server format request 640x400.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Process load and system load are low. Do not change the cpu desired format
-  // and do not adapt.
-  UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Server format request 320x200.
-  format.width = 320;
-  format.height = 200;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Process load and system load are low. Do not change the cpu desired format
-  // and do not adapt.
-  UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Server format request 640x400. Set to 640x400 immediately.
-  format.width = 640;
-  format.height = 400;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(400, adapter.output_format().height);
-
-  // Server format request 320x200.
-  format.width = 320;
-  format.height = 200;
-  adapter.OnOutputFormatRequest(format);
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-
-  // Process load is high, but system is not. Do not change the cpu desired
-  // format and do not adapt.
-  for (size_t i = 0; i < 10; ++i) {
-    UpdateCpuLoad(&adapter, 1, 1, 0.75f, 0.8f);
-  }
-  EXPECT_EQ(320, adapter.output_format().width);
-  EXPECT_EQ(200, adapter.output_format().height);
-}
-
 // Test that for an upgrade encoder request, we actually upgrade the desired
 //  format; for a downgrade request, we downgrade from the output format.
 TEST(CoordinatedVideoAdapterTest, TestRealEncoderUpgrade) {
   CoordinatedVideoAdapter adapter;
   adapter.set_cpu_adaptation(true);
-  adapter.set_cpu_smoothing(true);
   VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420);
   adapter.SetInputFormat(format);
 
   // Server format request 640x400.
   format.width = 640;
   format.height = 400;
   adapter.OnOutputFormatRequest(format);
   EXPECT_EQ(640, adapter.output_format().width);
   EXPECT_EQ(400, adapter.output_format().height);
 
@@ skipping 104 matching lines @@
 
   format.width = 640;
   format.height = 480;
   format.interval = VideoFormat::FpsToInterval(15);
   adapter.SetInputFormat(format);
   EXPECT_EQ(320, adapter.output_format().width);
   EXPECT_EQ(240, adapter.output_format().height);
   EXPECT_EQ(VideoFormat::FpsToInterval(15), adapter.output_format().interval);
 }
 
-// Test that we downgrade video for cpu up to two times.
-TEST_F(VideoAdapterTest, CpuDowngradeAndSignal) {
-  CoordinatedVideoAdapter adapter;
-  CpuAdapterListener cpu_listener;
-  adapter.SignalCpuAdaptationUnable.connect(
-      &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled);
-
-  adapter.set_cpu_adaptation(true);
-  EXPECT_FALSE(adapter.cpu_smoothing());
-  VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-  adapter.OnOutputFormatRequest(format);
-
-  // System load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-
-  // System load is high. Downgrade again.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-
-  // System load is still high. Do not downgrade any more. Ensure we have not
-  // signalled until after the cpu warning though.
-  EXPECT_TRUE(!cpu_listener.received_cpu_signal());
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  EXPECT_TRUE_WAIT(cpu_listener.received_cpu_signal(), kWaitTimeout);
-}
-
-// Test that we downgrade video for cpu up to two times.
-TEST_F(VideoAdapterTest, CpuDowngradeAndDontSignal) {
-  CoordinatedVideoAdapter adapter;
-  CpuAdapterListener cpu_listener;
-  adapter.SignalCpuAdaptationUnable.connect(
-      &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled);
-
-  adapter.set_cpu_adaptation(true);
-  adapter.set_cpu_smoothing(true);
-  VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-  adapter.OnOutputFormatRequest(format);
-
-  // System load is high. Downgrade.
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-
-  // System load is high, process is not, Do not downgrade again.
-  UpdateCpuLoad(&adapter, 1, 1, 0.25f, 0.95f);
-
-  // System load is high, process is not, Do not downgrade again and do not
-  // signal.
-  adapter.set_cpu_adaptation(false);
-  UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  rtc::Thread::Current()->ProcessMessages(kShortWaitTimeout);
-  EXPECT_TRUE(!cpu_listener.received_cpu_signal());
-  adapter.set_cpu_adaptation(true);
-}
-
-// Test that we require enough time before we downgrade.
-TEST_F(VideoAdapterTest, CpuMinTimeRequirement) {
-  CoordinatedVideoAdapter adapter;
-  CpuAdapterListener cpu_listener;
-  adapter.SignalCpuAdaptationUnable.connect(
-      &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled);
-
-  adapter.set_cpu_adaptation(true);
-  adapter.set_cpu_smoothing(true);
-  VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-  adapter.OnOutputFormatRequest(format);
-
-  EXPECT_EQ(3, adapter.cpu_load_min_samples());
-  adapter.set_cpu_load_min_samples(5);
-
-  for (size_t i = 0; i < 4; ++i) {
-    adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f);
-    EXPECT_EQ(640, adapter.output_format().width);
-    EXPECT_EQ(360, adapter.output_format().height);
-  }
-  // The computed cpu load should now be around 93.5%, with the coefficient of
-  // 0.4 and a seed value of 0.5. That should be high enough to adapt, but it
-  // isn't enough samples, so we shouldn't have adapted on any of the previous
-  // samples.
-
-  // One more sample is enough, though, once enough time has passed.
-  adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(270, adapter.output_format().height);
-
-  // Now the cpu is lower, but we still need enough samples to upgrade.
-  for (size_t i = 0; i < 4; ++i) {
-    adapter.OnCpuLoadUpdated(1, 1, 0.1f, 0.1f);
-    EXPECT_EQ(480, adapter.output_format().width);
-    EXPECT_EQ(270, adapter.output_format().height);
-  }
-
-  // One more sample is enough, once time has elapsed.
-  adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f);
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(360, adapter.output_format().height);
-}
-
-TEST_F(VideoAdapterTest, CpuIgnoresSpikes) {
-  CoordinatedVideoAdapter adapter;
-  CpuAdapterListener cpu_listener;
-  adapter.SignalCpuAdaptationUnable.connect(
-      &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled);
-
-  adapter.set_cpu_adaptation(true);
-  adapter.set_cpu_smoothing(true);
-  VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420);
-  adapter.SetInputFormat(format);
-  adapter.OnOutputFormatRequest(format);
-
-  // System load is high. Downgrade.
-  for (size_t i = 0; i < 5; ++i) {
-    UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f);
-  }
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(270, adapter.output_format().height);
-
-  // Now we're in a state where we could upgrade or downgrade, so get to a
-  // steady state of about 75% cpu usage.
-  for (size_t i = 0; i < 5; ++i) {
-    UpdateCpuLoad(&adapter, 1, 1, 0.75f, 0.75f);
-    EXPECT_EQ(480, adapter.output_format().width);
-    EXPECT_EQ(270, adapter.output_format().height);
-  }
-
-  // Now, the cpu spikes for two samples, but then goes back to
-  // normal. This shouldn't cause adaptation.
-  UpdateCpuLoad(&adapter, 1, 1, 0.90f, 0.90f);
-  UpdateCpuLoad(&adapter, 1, 1, 0.90f, 0.90f);
-  EXPECT_EQ(480, adapter.output_format().width);
-  EXPECT_EQ(270, adapter.output_format().height);
-  // Back to the steady state for awhile.
-  for (size_t i = 0; i < 5; ++i) {
-    UpdateCpuLoad(&adapter, 1, 1, 0.75, 0.75);
-    EXPECT_EQ(480, adapter.output_format().width);
-    EXPECT_EQ(270, adapter.output_format().height);
-  }
-
-  // Now, system cpu usage is starting to drop down. But it takes a bit before
-  // it gets all the way there.
-  for (size_t i = 0; i < 10; ++i) {
-    UpdateCpuLoad(&adapter, 1, 1, 0.5f, 0.5f);
-  }
-  EXPECT_EQ(640, adapter.output_format().width);
-  EXPECT_EQ(360, adapter.output_format().height);
-}
-
 }  // namespace cricket
 #endif  // HAVE_WEBRTC_VIDEO