| /* |
| * Copyright (c) 2011 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 "unit_test.h" |
| #include "video_processing.h" |
| |
| using namespace webrtc; |
| |
| TEST_F(VideoProcessingModuleTest, BrightnessDetection) |
| { |
| WebRtc_UWord32 frameNum = 0; |
| WebRtc_Word32 brightnessWarning = 0; |
| WebRtc_UWord32 warningCount = 0; |
| while (fread(_videoFrame.Buffer(), 1, _frameLength, _sourceFile) == _frameLength) |
| { |
| frameNum++; |
| VideoProcessingModule::FrameStats stats; |
| ASSERT_EQ(0, _vpm->GetFrameStats(stats, _videoFrame)); |
| ASSERT_GE(brightnessWarning = _vpm->BrightnessDetection(_videoFrame, stats), 0); |
| if (brightnessWarning != VideoProcessingModule::kNoWarning) |
| { |
| warningCount++; |
| } |
| } |
| ASSERT_NE(0, feof(_sourceFile)) << "Error reading source file"; |
| |
| // Expect few warnings |
| float warningProportion = static_cast<float>(warningCount) / frameNum * 100; |
| printf("\nWarning proportions:\n"); |
| printf("Stock foreman: %.1f %%\n", warningProportion); |
| EXPECT_LT(warningProportion, 10); |
| |
| rewind(_sourceFile); |
| frameNum = 0; |
| warningCount = 0; |
| while (fread(_videoFrame.Buffer(), 1, _frameLength, _sourceFile) == _frameLength && |
| frameNum < 300) |
| { |
| frameNum++; |
| |
| WebRtc_UWord8* frame = _videoFrame.Buffer(); |
| WebRtc_UWord32 yTmp = 0; |
| for (WebRtc_UWord32 yIdx = 0; yIdx < _width * _height; yIdx++) |
| { |
| yTmp = frame[yIdx] << 1; |
| if (yTmp > 255) |
| { |
| yTmp = 255; |
| } |
| frame[yIdx] = static_cast<WebRtc_UWord8>(yTmp); |
| } |
| |
| VideoProcessingModule::FrameStats stats; |
| ASSERT_EQ(0, _vpm->GetFrameStats(stats, _videoFrame)); |
| ASSERT_GE(brightnessWarning = _vpm->BrightnessDetection(_videoFrame, stats), 0); |
| EXPECT_NE(VideoProcessingModule::kDarkWarning, brightnessWarning); |
| if (brightnessWarning == VideoProcessingModule::kBrightWarning) |
| { |
| warningCount++; |
| } |
| } |
| ASSERT_NE(0, feof(_sourceFile)) << "Error reading source file"; |
| |
| // Expect many brightness warnings |
| warningProportion = static_cast<float>(warningCount) / frameNum * 100; |
| printf("Bright foreman: %.1f %%\n", warningProportion); |
| EXPECT_GT(warningProportion, 95); |
| |
| rewind(_sourceFile); |
| frameNum = 0; |
| warningCount = 0; |
| while (fread(_videoFrame.Buffer(), 1, _frameLength, _sourceFile) == _frameLength && |
| frameNum < 300) |
| { |
| frameNum++; |
| |
| WebRtc_UWord8* frame = _videoFrame.Buffer(); |
| WebRtc_Word32 yTmp = 0; |
| for (WebRtc_UWord32 yIdx = 0; yIdx < _width * _height; yIdx++) |
| { |
| yTmp = frame[yIdx] >> 1; |
| frame[yIdx] = static_cast<WebRtc_UWord8>(yTmp); |
| } |
| |
| VideoProcessingModule::FrameStats stats; |
| ASSERT_EQ(0, _vpm->GetFrameStats(stats, _videoFrame)); |
| ASSERT_GE(brightnessWarning = _vpm->BrightnessDetection(_videoFrame, stats), 0); |
| EXPECT_NE(VideoProcessingModule::kBrightWarning, brightnessWarning); |
| if (brightnessWarning == VideoProcessingModule::kDarkWarning) |
| { |
| warningCount++; |
| } |
| } |
| ASSERT_NE(0, feof(_sourceFile)) << "Error reading source file"; |
| |
| // Expect many darkness warnings |
| warningProportion = static_cast<float>(warningCount) / frameNum * 100; |
| printf("Dark foreman: %.1f %%\n\n", warningProportion); |
| EXPECT_GT(warningProportion, 90); |
| } |