| /* |
| * 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. |
| */ |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| #include "webrtc/system_wrappers/interface/clock.h" |
| #include "webrtc/system_wrappers/interface/scoped_ptr.h" |
| #include "webrtc/video_engine/include/vie_base.h" |
| #include "webrtc/video_engine/overuse_frame_detector.h" |
| |
| namespace webrtc { |
| |
| class MockCpuOveruseObserver : public CpuOveruseObserver { |
| public: |
| MockCpuOveruseObserver() {} |
| virtual ~MockCpuOveruseObserver() {} |
| |
| MOCK_METHOD0(OveruseDetected, void()); |
| MOCK_METHOD0(NormalUsage, void()); |
| }; |
| |
| class OveruseFrameDetectorTest : public ::testing::Test { |
| protected: |
| virtual void SetUp() { |
| clock_.reset(new SimulatedClock(1234)); |
| observer_.reset(new MockCpuOveruseObserver()); |
| overuse_detector_.reset(new OveruseFrameDetector(clock_.get(), |
| 10.0f, |
| 15.0f)); |
| overuse_detector_->SetObserver(observer_.get()); |
| } |
| |
| void InsertFramesWithInterval(size_t num_frames, int interval_ms) { |
| while (num_frames-- > 0) { |
| clock_->AdvanceTimeMilliseconds(interval_ms); |
| overuse_detector_->FrameCaptured(640, 480); |
| } |
| } |
| |
| void TriggerOveruse() { |
| int regular_frame_interval_ms = 33; |
| |
| EXPECT_CALL(*(observer_.get()), OveruseDetected()).Times(1); |
| |
| InsertFramesWithInterval(50, regular_frame_interval_ms); |
| InsertFramesWithInterval(50, 110); |
| overuse_detector_->Process(); |
| |
| InsertFramesWithInterval(50, regular_frame_interval_ms); |
| InsertFramesWithInterval(50, 110); |
| overuse_detector_->Process(); |
| } |
| |
| void TriggerNormalUsage() { |
| int regular_frame_interval_ms = 33; |
| |
| EXPECT_CALL(*(observer_.get()), NormalUsage()).Times(testing::AtLeast(1)); |
| |
| InsertFramesWithInterval(900, regular_frame_interval_ms); |
| overuse_detector_->Process(); |
| } |
| |
| scoped_ptr<SimulatedClock> clock_; |
| scoped_ptr<MockCpuOveruseObserver> observer_; |
| scoped_ptr<OveruseFrameDetector> overuse_detector_; |
| }; |
| |
| TEST_F(OveruseFrameDetectorTest, TriggerOveruse) { |
| TriggerOveruse(); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, OveruseAndRecover) { |
| TriggerOveruse(); |
| TriggerNormalUsage(); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, DoubleOveruseAndRecover) { |
| TriggerOveruse(); |
| TriggerOveruse(); |
| TriggerNormalUsage(); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, ConstantOveruseGivesNoNormalUsage) { |
| EXPECT_CALL(*(observer_.get()), NormalUsage()).Times(0); |
| |
| for(size_t i = 0; i < 64; ++i) |
| TriggerOveruse(); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, LastCaptureJitter) { |
| EXPECT_EQ(-1, overuse_detector_->last_capture_jitter_ms()); |
| TriggerOveruse(); |
| EXPECT_GT(overuse_detector_->last_capture_jitter_ms(), 0); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, NoCaptureQueueDelay) { |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 0); |
| overuse_detector_->FrameCaptured(320, 180); |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 0); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, CaptureQueueDelay) { |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(100); |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 100); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, CaptureQueueDelayMultipleFrames) { |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(10); |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(20); |
| |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 30); |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 20); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, CaptureQueueDelayResetAtResolutionSwitch) { |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(10); |
| overuse_detector_->FrameCaptured(321, 180); |
| clock_->AdvanceTimeMilliseconds(20); |
| |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 20); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, CaptureQueueDelayNoMatchingCapturedFrame) { |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(100); |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 100); |
| // No new captured frame. The last delay should be reported. |
| overuse_detector_->FrameProcessingStarted(); |
| EXPECT_EQ(overuse_detector_->CaptureQueueDelayMsPerS(), 100); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, EncodedFrame) { |
| const int kInitialAvgEncodeTimeInMs = 5; |
| EXPECT_EQ(kInitialAvgEncodeTimeInMs, overuse_detector_->AvgEncodeTimeMs()); |
| for (int i = 0; i < 30; i++) { |
| clock_->AdvanceTimeMilliseconds(33); |
| overuse_detector_->FrameEncoded(2); |
| } |
| EXPECT_EQ(2, overuse_detector_->AvgEncodeTimeMs()); |
| } |
| |
| TEST_F(OveruseFrameDetectorTest, EncodedUsage) { |
| for (int i = 0; i < 30; i++) { |
| overuse_detector_->FrameCaptured(320, 180); |
| clock_->AdvanceTimeMilliseconds(5); |
| overuse_detector_->FrameEncoded(5); |
| clock_->AdvanceTimeMilliseconds(33-5); |
| } |
| EXPECT_EQ(15, overuse_detector_->EncodeUsagePercent()); |
| } |
| |
| } // namespace webrtc |