buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2010 Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | // If we don't have a WebRtcVideoFrame, just skip all of these tests. |
| 29 | #if defined(HAVE_WEBRTC_VIDEO) |
| 30 | #include <limits.h> // For INT_MAX |
| 31 | #include <string> |
| 32 | #include <vector> |
| 33 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 34 | #include "talk/media/base/mediachannel.h" |
| 35 | #include "talk/media/base/testutils.h" |
| 36 | #include "talk/media/base/videoadapter.h" |
| 37 | #include "talk/media/devices/filevideocapturer.h" |
| 38 | #include "talk/media/webrtc/webrtcvideoframe.h" |
buildbot@webrtc.org | a09a999 | 2014-08-13 17:26:08 +0000 | [diff] [blame] | 39 | #include "webrtc/base/gunit.h" |
| 40 | #include "webrtc/base/logging.h" |
| 41 | #include "webrtc/base/sigslot.h" |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 42 | |
| 43 | namespace cricket { |
| 44 | |
| 45 | namespace { |
| 46 | static const uint32 kWaitTimeout = 3000U; // 3 seconds. |
| 47 | static const uint32 kShortWaitTimeout = 1000U; // 1 second. |
| 48 | void UpdateCpuLoad(CoordinatedVideoAdapter* adapter, |
| 49 | int current_cpus, int max_cpus, float process_load, float system_load) { |
| 50 | adapter->set_cpu_load_min_samples(1); |
| 51 | adapter->OnCpuLoadUpdated(current_cpus, max_cpus, |
| 52 | process_load, system_load); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | class VideoAdapterTest : public testing::Test { |
| 57 | public: |
| 58 | virtual void SetUp() { |
| 59 | capturer_.reset(new FileVideoCapturer); |
| 60 | EXPECT_TRUE(capturer_->Init(GetTestFilePath( |
| 61 | "captured-320x240-2s-48.frames"))); |
| 62 | capture_format_ = capturer_->GetSupportedFormats()->at(0); |
| 63 | capture_format_.interval = VideoFormat::FpsToInterval(50); |
| 64 | adapter_.reset(new VideoAdapter()); |
| 65 | adapter_->SetInputFormat(capture_format_); |
| 66 | |
| 67 | listener_.reset(new VideoCapturerListener(adapter_.get())); |
| 68 | capturer_->SignalFrameCaptured.connect( |
| 69 | listener_.get(), &VideoCapturerListener::OnFrameCaptured); |
| 70 | } |
| 71 | |
pbos@webrtc.org | 75c3ec1 | 2014-08-27 18:16:13 +0000 | [diff] [blame] | 72 | virtual void TearDown() { |
| 73 | // Explicitly disconnect the VideoCapturer before to avoid data races |
| 74 | // (frames delivered to VideoCapturerListener while it's being destructed). |
| 75 | capturer_->SignalFrameCaptured.disconnect_all(); |
| 76 | } |
| 77 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 78 | protected: |
| 79 | class VideoCapturerListener: public sigslot::has_slots<> { |
| 80 | public: |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 81 | struct Stats { |
| 82 | int captured_frames; |
| 83 | int dropped_frames; |
| 84 | bool last_adapt_was_no_op; |
| 85 | |
| 86 | int adapted_width; |
| 87 | int adapted_height; |
| 88 | }; |
| 89 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 90 | explicit VideoCapturerListener(VideoAdapter* adapter) |
| 91 | : video_adapter_(adapter), |
| 92 | adapted_frame_(NULL), |
| 93 | copied_output_frame_(), |
| 94 | captured_frames_(0), |
| 95 | dropped_frames_(0), |
| 96 | last_adapt_was_no_op_(false) { |
| 97 | } |
| 98 | |
| 99 | void OnFrameCaptured(VideoCapturer* capturer, |
| 100 | const CapturedFrame* captured_frame) { |
| 101 | WebRtcVideoFrame temp_i420; |
| 102 | EXPECT_TRUE(temp_i420.Init(captured_frame, |
| 103 | captured_frame->width, abs(captured_frame->height))); |
| 104 | VideoFrame* out_frame = NULL; |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 105 | rtc::CritScope lock(&crit_); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 106 | EXPECT_TRUE(video_adapter_->AdaptFrame(&temp_i420, &out_frame)); |
| 107 | if (out_frame) { |
| 108 | if (out_frame == &temp_i420) { |
| 109 | last_adapt_was_no_op_ = true; |
| 110 | copied_output_frame_.reset(temp_i420.Copy()); |
| 111 | adapted_frame_ = copied_output_frame_.get(); |
| 112 | } else { |
| 113 | last_adapt_was_no_op_ = false; |
| 114 | adapted_frame_ = out_frame; |
| 115 | copied_output_frame_.reset(); |
| 116 | } |
| 117 | } else { |
| 118 | ++dropped_frames_; |
| 119 | } |
| 120 | ++captured_frames_; |
| 121 | } |
| 122 | |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 123 | Stats GetStats() { |
| 124 | rtc::CritScope lock(&crit_); |
| 125 | Stats stats; |
| 126 | stats.captured_frames = captured_frames_; |
| 127 | stats.dropped_frames = dropped_frames_; |
| 128 | stats.last_adapt_was_no_op = last_adapt_was_no_op_; |
| 129 | if (adapted_frame_ != NULL) { |
pbos@webrtc.org | f21ac1f | 2014-08-26 12:46:57 +0000 | [diff] [blame] | 130 | stats.adapted_width = static_cast<int>(adapted_frame_->GetWidth()); |
| 131 | stats.adapted_height = static_cast<int>(adapted_frame_->GetHeight()); |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 132 | } else { |
| 133 | stats.adapted_width = stats.adapted_height = -1; |
| 134 | } |
| 135 | |
| 136 | return stats; |
| 137 | } |
| 138 | |
| 139 | VideoFrame* CopyAdaptedFrame() { |
| 140 | rtc::CritScope lock(&crit_); |
| 141 | if (adapted_frame_ == NULL) { |
| 142 | return NULL; |
| 143 | } |
| 144 | return adapted_frame_->Copy(); |
| 145 | } |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 146 | |
| 147 | private: |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 148 | rtc::CriticalSection crit_; |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 149 | VideoAdapter* video_adapter_; |
| 150 | const VideoFrame* adapted_frame_; |
| 151 | rtc::scoped_ptr<VideoFrame> copied_output_frame_; |
| 152 | int captured_frames_; |
| 153 | int dropped_frames_; |
| 154 | bool last_adapt_was_no_op_; |
| 155 | }; |
| 156 | |
| 157 | class CpuAdapterListener: public sigslot::has_slots<> { |
| 158 | public: |
| 159 | CpuAdapterListener() : received_cpu_signal_(false) {} |
| 160 | void OnCpuAdaptationSignalled() { received_cpu_signal_ = true; } |
| 161 | bool received_cpu_signal() { return received_cpu_signal_; } |
| 162 | private: |
| 163 | bool received_cpu_signal_; |
| 164 | }; |
| 165 | |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 166 | void VerifyAdaptedResolution(const VideoCapturerListener::Stats& stats, |
| 167 | int width, |
| 168 | int height) { |
| 169 | EXPECT_EQ(width, stats.adapted_width); |
| 170 | EXPECT_EQ(height, stats.adapted_height); |
| 171 | } |
| 172 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 173 | rtc::scoped_ptr<FileVideoCapturer> capturer_; |
| 174 | rtc::scoped_ptr<VideoAdapter> adapter_; |
| 175 | rtc::scoped_ptr<VideoCapturerListener> listener_; |
| 176 | VideoFormat capture_format_; |
| 177 | }; |
| 178 | |
| 179 | |
| 180 | // Test adapter remembers exact pixel count |
| 181 | TEST_F(VideoAdapterTest, AdaptNumPixels) { |
| 182 | adapter_->SetOutputNumPixels(123456); |
| 183 | EXPECT_EQ(123456, adapter_->GetOutputNumPixels()); |
| 184 | } |
| 185 | |
| 186 | // Test adapter is constructed but not activated. Expect no frame drop and no |
| 187 | // resolution change. |
| 188 | TEST_F(VideoAdapterTest, AdaptInactive) { |
| 189 | // Output resolution is not set. |
| 190 | EXPECT_EQ(INT_MAX, adapter_->GetOutputNumPixels()); |
| 191 | |
| 192 | // Call Adapter with some frames. |
| 193 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 194 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 195 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 196 | |
| 197 | // Verify no frame drop and no resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 198 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 199 | EXPECT_GE(stats.captured_frames, 10); |
| 200 | EXPECT_EQ(0, stats.dropped_frames); |
| 201 | VerifyAdaptedResolution(stats, capture_format_.width, capture_format_.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | // Do not adapt the frame rate or the resolution. Expect no frame drop and no |
| 205 | // resolution change. |
| 206 | TEST_F(VideoAdapterTest, AdaptNothing) { |
| 207 | adapter_->SetOutputFormat(capture_format_); |
| 208 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 209 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 210 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 211 | |
| 212 | // Verify no frame drop and no resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 213 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 214 | EXPECT_GE(stats.captured_frames, 10); |
| 215 | EXPECT_EQ(0, stats.dropped_frames); |
| 216 | VerifyAdaptedResolution(stats, capture_format_.width, capture_format_.height); |
| 217 | EXPECT_TRUE(stats.last_adapt_was_no_op); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | TEST_F(VideoAdapterTest, AdaptZeroInterval) { |
| 221 | VideoFormat format = capturer_->GetSupportedFormats()->at(0); |
| 222 | format.interval = 0; |
| 223 | adapter_->SetInputFormat(format); |
| 224 | adapter_->SetOutputFormat(format); |
| 225 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 226 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 227 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 228 | |
| 229 | // Verify no crash and that frames aren't dropped. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 230 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 231 | EXPECT_GE(stats.captured_frames, 10); |
| 232 | EXPECT_EQ(0, stats.dropped_frames); |
| 233 | VerifyAdaptedResolution(stats, capture_format_.width, capture_format_.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | // Adapt the frame rate to be half of the capture rate at the beginning. Expect |
| 237 | // the number of dropped frames to be half of the number the captured frames. |
| 238 | TEST_F(VideoAdapterTest, AdaptFramerate) { |
| 239 | VideoFormat request_format = capture_format_; |
| 240 | request_format.interval *= 2; |
| 241 | adapter_->SetOutputFormat(request_format); |
| 242 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 243 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 244 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 245 | |
| 246 | // Verify frame drop and no resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 247 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 248 | EXPECT_GE(stats.captured_frames, 10); |
| 249 | EXPECT_EQ(stats.captured_frames / 2, stats.dropped_frames); |
| 250 | VerifyAdaptedResolution(stats, capture_format_.width, capture_format_.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | // Adapt the frame rate to be half of the capture rate at the beginning. Expect |
| 254 | // the number of dropped frames to be half of the number the captured frames. |
| 255 | TEST_F(VideoAdapterTest, AdaptFramerateVariable) { |
| 256 | VideoFormat request_format = capture_format_; |
| 257 | request_format.interval = request_format.interval * 3 / 2; |
| 258 | adapter_->SetOutputFormat(request_format); |
| 259 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 260 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 261 | listener_->GetStats().captured_frames >= 30, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 262 | |
| 263 | // Verify frame drop and no resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 264 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 265 | EXPECT_GE(stats.captured_frames, 30); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 266 | // Verify 2 / 3 kept (20) and 1 / 3 dropped (10). |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 267 | EXPECT_EQ(stats.captured_frames * 1 / 3, stats.dropped_frames); |
| 268 | VerifyAdaptedResolution(stats, capture_format_.width, capture_format_.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | // Adapt the frame rate to be half of the capture rate after capturing no less |
| 272 | // than 10 frames. Expect no frame dropped before adaptation and frame dropped |
| 273 | // after adaptation. |
| 274 | TEST_F(VideoAdapterTest, AdaptFramerateOntheFly) { |
| 275 | VideoFormat request_format = capture_format_; |
| 276 | adapter_->SetOutputFormat(request_format); |
| 277 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 278 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 279 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 280 | |
| 281 | // Verify no frame drop before adaptation. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 282 | EXPECT_EQ(0, listener_->GetStats().dropped_frames); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 283 | |
| 284 | // Adapat the frame rate. |
| 285 | request_format.interval *= 2; |
| 286 | adapter_->SetOutputFormat(request_format); |
| 287 | |
| 288 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 289 | listener_->GetStats().captured_frames >= 20, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 290 | |
| 291 | // Verify frame drop after adaptation. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 292 | EXPECT_GT(listener_->GetStats().dropped_frames, 0); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 293 | } |
| 294 | |
magjed@webrtc.org | f58b455 | 2014-11-19 18:09:14 +0000 | [diff] [blame^] | 295 | // Set a very high output pixel resolution. Expect no resolution change. |
| 296 | TEST_F(VideoAdapterTest, AdaptFrameResolutionHighLimit) { |
| 297 | adapter_->SetOutputNumPixels(INT_MAX); |
| 298 | VideoFormat adapted_format = adapter_->AdaptFrameResolution( |
| 299 | capture_format_.width, capture_format_.height); |
| 300 | EXPECT_EQ(capture_format_.width, adapted_format.width); |
| 301 | EXPECT_EQ(capture_format_.height, adapted_format.height); |
| 302 | |
| 303 | adapter_->SetOutputNumPixels(987654321); |
| 304 | adapted_format = capture_format_, |
| 305 | adapter_->AdaptFrameResolution(capture_format_.width, capture_format_.height); |
| 306 | EXPECT_EQ(capture_format_.width, adapted_format.width); |
| 307 | EXPECT_EQ(capture_format_.height, adapted_format.height); |
| 308 | } |
| 309 | |
| 310 | // Adapt the frame resolution to be the same as capture resolution. Expect no |
| 311 | // resolution change. |
| 312 | TEST_F(VideoAdapterTest, AdaptFrameResolutionIdentical) { |
| 313 | adapter_->SetOutputFormat(capture_format_); |
| 314 | const VideoFormat adapted_format = adapter_->AdaptFrameResolution( |
| 315 | capture_format_.width, capture_format_.height); |
| 316 | EXPECT_EQ(capture_format_.width, adapted_format.width); |
| 317 | EXPECT_EQ(capture_format_.height, adapted_format.height); |
| 318 | } |
| 319 | |
| 320 | // Adapt the frame resolution to be a quarter of the capture resolution. Expect |
| 321 | // resolution change. |
| 322 | TEST_F(VideoAdapterTest, AdaptFrameResolutionQuarter) { |
| 323 | VideoFormat request_format = capture_format_; |
| 324 | request_format.width /= 2; |
| 325 | request_format.height /= 2; |
| 326 | adapter_->SetOutputFormat(request_format); |
| 327 | const VideoFormat adapted_format = adapter_->AdaptFrameResolution( |
| 328 | request_format.width, request_format.height); |
| 329 | EXPECT_EQ(request_format.width, adapted_format.width); |
| 330 | EXPECT_EQ(request_format.height, adapted_format.height); |
| 331 | } |
| 332 | |
| 333 | // Adapt the pixel resolution to 0. Expect frame drop. |
| 334 | TEST_F(VideoAdapterTest, AdaptFrameResolutionDrop) { |
| 335 | adapter_->SetOutputNumPixels(0); |
| 336 | EXPECT_TRUE( |
| 337 | adapter_->AdaptFrameResolution(capture_format_.width, |
| 338 | capture_format_.height).IsSize0x0()); |
| 339 | } |
| 340 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 341 | // Adapt the frame resolution to be a quarter of the capture resolution at the |
| 342 | // beginning. Expect resolution change. |
| 343 | TEST_F(VideoAdapterTest, AdaptResolution) { |
| 344 | VideoFormat request_format = capture_format_; |
| 345 | request_format.width /= 2; |
| 346 | request_format.height /= 2; |
| 347 | adapter_->SetOutputFormat(request_format); |
| 348 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 349 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 350 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 351 | |
| 352 | // Verify no frame drop and resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 353 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 354 | EXPECT_EQ(0, stats.dropped_frames); |
| 355 | VerifyAdaptedResolution(stats, request_format.width, request_format.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | // Adapt the frame resolution to half width. Expect resolution change. |
| 359 | TEST_F(VideoAdapterTest, AdaptResolutionNarrow) { |
| 360 | VideoFormat request_format = capture_format_; |
| 361 | request_format.width /= 2; |
| 362 | adapter_->set_scale_third(true); |
| 363 | adapter_->SetOutputFormat(request_format); |
| 364 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 365 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 366 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 367 | |
| 368 | // Verify resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 369 | VerifyAdaptedResolution(listener_->GetStats(), 213, 160); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | // Adapt the frame resolution to half height. Expect resolution change. |
| 373 | TEST_F(VideoAdapterTest, AdaptResolutionWide) { |
| 374 | VideoFormat request_format = capture_format_; |
| 375 | request_format.height /= 2; |
| 376 | adapter_->set_scale_third(true); |
| 377 | adapter_->SetOutputFormat(request_format); |
| 378 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 379 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 380 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 381 | |
| 382 | // Verify resolution change. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 383 | VerifyAdaptedResolution(listener_->GetStats(), 213, 160); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | // Adapt the frame resolution to be a quarter of the capture resolution after |
| 387 | // capturing no less than 10 frames. Expect no resolution change before |
| 388 | // adaptation and resolution change after adaptation. |
| 389 | TEST_F(VideoAdapterTest, AdaptResolutionOnTheFly) { |
| 390 | VideoFormat request_format = capture_format_; |
| 391 | adapter_->SetOutputFormat(request_format); |
| 392 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 393 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 394 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 395 | |
| 396 | // Verify no resolution change before adaptation. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 397 | VerifyAdaptedResolution( |
| 398 | listener_->GetStats(), request_format.width, request_format.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 399 | |
| 400 | // Adapt the frame resolution. |
| 401 | request_format.width /= 2; |
| 402 | request_format.height /= 2; |
| 403 | adapter_->SetOutputFormat(request_format); |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 404 | int captured_frames = listener_->GetStats().captured_frames; |
| 405 | EXPECT_TRUE_WAIT( |
| 406 | !capturer_->IsRunning() || |
| 407 | listener_->GetStats().captured_frames >= captured_frames + 10, |
| 408 | kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 409 | |
| 410 | // Verify resolution change after adaptation. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 411 | VerifyAdaptedResolution( |
| 412 | listener_->GetStats(), request_format.width, request_format.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | // Black the output frame. |
| 416 | TEST_F(VideoAdapterTest, BlackOutput) { |
| 417 | adapter_->SetOutputFormat(capture_format_); |
| 418 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 419 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 420 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 421 | // Verify that the output frame is not black. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 422 | rtc::scoped_ptr<VideoFrame> adapted_frame(listener_->CopyAdaptedFrame()); |
| 423 | EXPECT_NE(16, *adapted_frame->GetYPlane()); |
| 424 | EXPECT_NE(128, *adapted_frame->GetUPlane()); |
| 425 | EXPECT_NE(128, *adapted_frame->GetVPlane()); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 426 | |
| 427 | adapter_->SetBlackOutput(true); |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 428 | int captured_frames = listener_->GetStats().captured_frames; |
| 429 | EXPECT_TRUE_WAIT( |
| 430 | !capturer_->IsRunning() || |
| 431 | listener_->GetStats().captured_frames >= captured_frames + 10, |
| 432 | kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 433 | // Verify that the output frame is black. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 434 | adapted_frame.reset(listener_->CopyAdaptedFrame()); |
| 435 | EXPECT_EQ(16, *adapted_frame->GetYPlane()); |
| 436 | EXPECT_EQ(128, *adapted_frame->GetUPlane()); |
| 437 | EXPECT_EQ(128, *adapted_frame->GetVPlane()); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 438 | |
| 439 | // Verify that the elapsed time and timestamp of the black frame increase. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 440 | int64 elapsed_time = adapted_frame->GetElapsedTime(); |
| 441 | int64 timestamp = adapted_frame->GetTimeStamp(); |
| 442 | captured_frames = listener_->GetStats().captured_frames; |
| 443 | EXPECT_TRUE_WAIT( |
| 444 | !capturer_->IsRunning() || |
| 445 | listener_->GetStats().captured_frames >= captured_frames + 10, |
| 446 | kWaitTimeout); |
| 447 | |
| 448 | adapted_frame.reset(listener_->CopyAdaptedFrame()); |
| 449 | EXPECT_GT(adapted_frame->GetElapsedTime(), elapsed_time); |
| 450 | EXPECT_GT(adapted_frame->GetTimeStamp(), timestamp); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 451 | |
| 452 | // Change the output size |
| 453 | VideoFormat request_format = capture_format_; |
| 454 | request_format.width /= 2; |
| 455 | request_format.height /= 2; |
| 456 | adapter_->SetOutputFormat(request_format); |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 457 | captured_frames = listener_->GetStats().captured_frames; |
| 458 | EXPECT_TRUE_WAIT( |
| 459 | !capturer_->IsRunning() || |
| 460 | listener_->GetStats().captured_frames >= captured_frames + 10, |
| 461 | kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 462 | |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 463 | // Verify resolution change after adaptation. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 464 | VerifyAdaptedResolution( |
| 465 | listener_->GetStats(), request_format.width, request_format.height); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 466 | // Verify that the output frame is black. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 467 | adapted_frame.reset(listener_->CopyAdaptedFrame()); |
| 468 | EXPECT_EQ(16, *adapted_frame->GetYPlane()); |
| 469 | EXPECT_EQ(128, *adapted_frame->GetUPlane()); |
| 470 | EXPECT_EQ(128, *adapted_frame->GetVPlane()); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | // Drop all frames. |
| 474 | TEST_F(VideoAdapterTest, DropAllFrames) { |
| 475 | VideoFormat format; // with resolution 0x0. |
| 476 | adapter_->SetOutputFormat(format); |
| 477 | EXPECT_EQ(CS_RUNNING, capturer_->Start(capture_format_)); |
| 478 | EXPECT_TRUE_WAIT(!capturer_->IsRunning() || |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 479 | listener_->GetStats().captured_frames >= 10, kWaitTimeout); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 480 | |
| 481 | // Verify all frames are dropped. |
pbos@webrtc.org | c9b3f77 | 2014-08-26 12:33:18 +0000 | [diff] [blame] | 482 | VideoCapturerListener::Stats stats = listener_->GetStats(); |
| 483 | EXPECT_GE(stats.captured_frames, 10); |
| 484 | EXPECT_EQ(stats.captured_frames, stats.dropped_frames); |
buildbot@webrtc.org | 4f0d401 | 2014-08-07 04:47:36 +0000 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | TEST(CoordinatedVideoAdapterTest, TestCoordinatedWithoutCpuAdaptation) { |
| 488 | CoordinatedVideoAdapter adapter; |
| 489 | adapter.set_cpu_adaptation(false); |
| 490 | |
| 491 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 492 | adapter.SetInputFormat(format); |
| 493 | adapter.set_scale_third(true); |
| 494 | EXPECT_EQ(format, adapter.input_format()); |
| 495 | EXPECT_TRUE(adapter.output_format().IsSize0x0()); |
| 496 | |
| 497 | // Server format request 640x400. |
| 498 | format.height = 400; |
| 499 | adapter.OnOutputFormatRequest(format); |
| 500 | EXPECT_EQ(640, adapter.output_format().width); |
| 501 | EXPECT_EQ(400, adapter.output_format().height); |
| 502 | |
| 503 | // Server format request 1280x720, higher than input. Adapt nothing. |
| 504 | format.width = 1280; |
| 505 | format.height = 720; |
| 506 | adapter.OnOutputFormatRequest(format); |
| 507 | EXPECT_EQ(640, adapter.output_format().width); |
| 508 | EXPECT_EQ(400, adapter.output_format().height); |
| 509 | |
| 510 | // Cpu load is high, but cpu adaptation is disabled. Adapt nothing. |
| 511 | adapter.OnCpuLoadUpdated(1, 1, 0.99f, 0.99f); |
| 512 | EXPECT_EQ(640, adapter.output_format().width); |
| 513 | EXPECT_EQ(400, adapter.output_format().height); |
| 514 | |
| 515 | // Encoder resolution request: downgrade with different size. Adapt nothing. |
| 516 | adapter.OnEncoderResolutionRequest(320, 200, |
| 517 | CoordinatedVideoAdapter::DOWNGRADE); |
| 518 | EXPECT_EQ(640, adapter.output_format().width); |
| 519 | EXPECT_EQ(400, adapter.output_format().height); |
| 520 | |
| 521 | // Encoder resolution request: downgrade. |
| 522 | adapter.OnEncoderResolutionRequest(640, 400, |
| 523 | CoordinatedVideoAdapter::DOWNGRADE); |
| 524 | EXPECT_EQ(480, adapter.output_format().width); |
| 525 | EXPECT_EQ(300, adapter.output_format().height); |
| 526 | |
| 527 | // Encoder resolution request: downgrade. But GD off. Adapt nothing. |
| 528 | adapter.set_gd_adaptation(false); |
| 529 | adapter.OnEncoderResolutionRequest(480, 300, |
| 530 | CoordinatedVideoAdapter::DOWNGRADE); |
| 531 | EXPECT_EQ(480, adapter.output_format().width); |
| 532 | EXPECT_EQ(300, adapter.output_format().height); |
| 533 | adapter.set_gd_adaptation(true); |
| 534 | |
| 535 | // Encoder resolution request: downgrade. |
| 536 | adapter.OnEncoderResolutionRequest(480, 300, |
| 537 | CoordinatedVideoAdapter::DOWNGRADE); |
| 538 | EXPECT_EQ(320, adapter.output_format().width); |
| 539 | EXPECT_EQ(200, adapter.output_format().height); |
| 540 | |
| 541 | // Encoder resolution request: keep. Adapt nothing. |
| 542 | adapter.OnEncoderResolutionRequest(320, 200, |
| 543 | CoordinatedVideoAdapter::KEEP); |
| 544 | EXPECT_EQ(320, adapter.output_format().width); |
| 545 | EXPECT_EQ(200, adapter.output_format().height); |
| 546 | |
| 547 | // Encoder resolution request: upgrade. |
| 548 | adapter.OnEncoderResolutionRequest(320, 200, |
| 549 | CoordinatedVideoAdapter::UPGRADE); |
| 550 | EXPECT_EQ(480, adapter.output_format().width); |
| 551 | EXPECT_EQ(300, adapter.output_format().height); |
| 552 | |
| 553 | // Server format request 0x0. |
| 554 | format.width = 0; |
| 555 | format.height = 0; |
| 556 | adapter.OnOutputFormatRequest(format); |
| 557 | EXPECT_TRUE(adapter.output_format().IsSize0x0()); |
| 558 | |
| 559 | // Server format request 320x200. |
| 560 | format.width = 320; |
| 561 | format.height = 200; |
| 562 | adapter.OnOutputFormatRequest(format); |
| 563 | EXPECT_EQ(320, adapter.output_format().width); |
| 564 | EXPECT_EQ(200, adapter.output_format().height); |
| 565 | |
| 566 | // Server format request 160x100. But view disabled. Adapt nothing. |
| 567 | adapter.set_view_adaptation(false); |
| 568 | format.width = 160; |
| 569 | format.height = 100; |
| 570 | adapter.OnOutputFormatRequest(format); |
| 571 | EXPECT_EQ(320, adapter.output_format().width); |
| 572 | EXPECT_EQ(200, adapter.output_format().height); |
| 573 | adapter.set_view_adaptation(true); |
| 574 | |
| 575 | // Enable View Switch. Expect adapt down. |
| 576 | adapter.set_view_switch(true); |
| 577 | format.width = 160; |
| 578 | format.height = 100; |
| 579 | adapter.OnOutputFormatRequest(format); |
| 580 | EXPECT_EQ(160, adapter.output_format().width); |
| 581 | EXPECT_EQ(100, adapter.output_format().height); |
| 582 | |
| 583 | // Encoder resolution request: upgrade. Adapt nothing. |
| 584 | adapter.OnEncoderResolutionRequest(160, 100, |
| 585 | CoordinatedVideoAdapter::UPGRADE); |
| 586 | EXPECT_EQ(160, adapter.output_format().width); |
| 587 | EXPECT_EQ(100, adapter.output_format().height); |
| 588 | |
| 589 | // Request View of 2 / 3. Expect adapt down. |
| 590 | adapter.set_view_switch(true); |
| 591 | format.width = (640 * 2 + 1) / 3; |
| 592 | format.height = (400 * 2 + 1) / 3; |
| 593 | adapter.OnOutputFormatRequest(format); |
| 594 | EXPECT_EQ((640 * 2 + 1) / 3, adapter.output_format().width); |
| 595 | EXPECT_EQ((400 * 2 + 1) / 3, adapter.output_format().height); |
| 596 | |
| 597 | |
| 598 | // Request View of 3 / 8. Expect adapt down. |
| 599 | adapter.set_view_switch(true); |
| 600 | format.width = 640 * 3 / 8; |
| 601 | format.height = 400 * 3 / 8; |
| 602 | adapter.OnOutputFormatRequest(format); |
| 603 | EXPECT_EQ(640 * 3 / 8, adapter.output_format().width); |
| 604 | EXPECT_EQ(400 * 3 / 8, adapter.output_format().height); |
| 605 | |
| 606 | // View Switch back up. Expect adapt. |
| 607 | format.width = 320; |
| 608 | format.height = 200; |
| 609 | adapter.OnOutputFormatRequest(format); |
| 610 | EXPECT_EQ(320, adapter.output_format().width); |
| 611 | EXPECT_EQ(200, adapter.output_format().height); |
| 612 | |
| 613 | adapter.set_view_switch(false); |
| 614 | |
| 615 | // Encoder resolution request: upgrade. Constrained by server request. |
| 616 | adapter.OnEncoderResolutionRequest(320, 200, |
| 617 | CoordinatedVideoAdapter::UPGRADE); |
| 618 | EXPECT_EQ(320, adapter.output_format().width); |
| 619 | EXPECT_EQ(200, adapter.output_format().height); |
| 620 | |
| 621 | // Server format request 480x300. |
| 622 | format.width = 480; |
| 623 | format.height = 300; |
| 624 | adapter.OnOutputFormatRequest(format); |
| 625 | EXPECT_EQ(480, adapter.output_format().width); |
| 626 | EXPECT_EQ(300, adapter.output_format().height); |
| 627 | } |
| 628 | |
| 629 | TEST(CoordinatedVideoAdapterTest, TestCoordinatedWithCpuAdaptation) { |
| 630 | CoordinatedVideoAdapter adapter; |
| 631 | adapter.set_cpu_adaptation(true); |
| 632 | EXPECT_FALSE(adapter.cpu_smoothing()); |
| 633 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 634 | adapter.SetInputFormat(format); |
| 635 | |
| 636 | // Server format request 640x400. |
| 637 | format.height = 400; |
| 638 | adapter.OnOutputFormatRequest(format); |
| 639 | EXPECT_EQ(640, adapter.output_format().width); |
| 640 | EXPECT_EQ(400, adapter.output_format().height); |
| 641 | |
| 642 | // Process load is medium, but system load is high. Downgrade. |
| 643 | UpdateCpuLoad(&adapter, 1, 1, 0.55f, 0.98f); |
| 644 | EXPECT_EQ(480, adapter.output_format().width); |
| 645 | EXPECT_EQ(300, adapter.output_format().height); |
| 646 | |
| 647 | // CPU high, but cpu adaptation disabled. Adapt nothing. |
| 648 | adapter.set_cpu_adaptation(false); |
| 649 | adapter.OnCpuLoadUpdated(1, 1, 0.55f, 0.98f); |
| 650 | EXPECT_EQ(480, adapter.output_format().width); |
| 651 | EXPECT_EQ(300, adapter.output_format().height); |
| 652 | adapter.set_cpu_adaptation(true); |
| 653 | |
| 654 | // System load is high, but time has not elaspsed. Adapt nothing. |
| 655 | adapter.set_cpu_load_min_samples(2); |
| 656 | adapter.OnCpuLoadUpdated(1, 1, 0.55f, 0.98f); |
| 657 | EXPECT_EQ(480, adapter.output_format().width); |
| 658 | EXPECT_EQ(300, adapter.output_format().height); |
| 659 | |
| 660 | // Process load is medium, but system load is high. Downgrade. |
| 661 | UpdateCpuLoad(&adapter, 1, 1, 0.55f, 0.98f); |
| 662 | EXPECT_EQ(320, adapter.output_format().width); |
| 663 | EXPECT_EQ(200, adapter.output_format().height); |
| 664 | |
| 665 | // Test reason for adapting is CPU. |
| 666 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, |
| 667 | adapter.adapt_reason()); |
| 668 | |
| 669 | // Server format request 320x200. Same as CPU. Do nothing. |
| 670 | format.width = 320; |
| 671 | format.height = 200; |
| 672 | adapter.OnOutputFormatRequest(format); |
| 673 | EXPECT_EQ(320, adapter.output_format().width); |
| 674 | EXPECT_EQ(200, adapter.output_format().height); |
| 675 | |
| 676 | // Test reason for adapting is CPU and VIEW. |
| 677 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU + |
| 678 | CoordinatedVideoAdapter::ADAPTREASON_VIEW, |
| 679 | adapter.adapt_reason()); |
| 680 | |
| 681 | // Process load and system load are normal. Adapt nothing. |
| 682 | UpdateCpuLoad(&adapter, 1, 1, 0.5f, 0.8f); |
| 683 | EXPECT_EQ(320, adapter.output_format().width); |
| 684 | EXPECT_EQ(200, adapter.output_format().height); |
| 685 | |
| 686 | // Process load and system load are low, but view is still low. Adapt nothing. |
| 687 | UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f); |
| 688 | EXPECT_EQ(320, adapter.output_format().width); |
| 689 | EXPECT_EQ(200, adapter.output_format().height); |
| 690 | |
| 691 | // Test reason for adapting is VIEW. |
| 692 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, |
| 693 | adapter.adapt_reason()); |
| 694 | |
| 695 | // Server format request 640x400. Cpu is still low. Upgrade. |
| 696 | format.width = 640; |
| 697 | format.height = 400; |
| 698 | adapter.OnOutputFormatRequest(format); |
| 699 | EXPECT_EQ(480, adapter.output_format().width); |
| 700 | EXPECT_EQ(300, adapter.output_format().height); |
| 701 | |
| 702 | // Test reason for adapting is CPU. |
| 703 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, |
| 704 | adapter.adapt_reason()); |
| 705 | |
| 706 | // Encoder resolution request: downgrade. |
| 707 | adapter.OnEncoderResolutionRequest(480, 300, |
| 708 | CoordinatedVideoAdapter::DOWNGRADE); |
| 709 | EXPECT_EQ(320, adapter.output_format().width); |
| 710 | EXPECT_EQ(200, adapter.output_format().height); |
| 711 | |
| 712 | // Test reason for adapting is BANDWIDTH. |
| 713 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_BANDWIDTH, |
| 714 | adapter.adapt_reason()); |
| 715 | |
| 716 | // Process load and system load are low. Constrained by GD. Adapt nothing |
| 717 | adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f); |
| 718 | EXPECT_EQ(320, adapter.output_format().width); |
| 719 | EXPECT_EQ(200, adapter.output_format().height); |
| 720 | |
| 721 | // Encoder resolution request: upgrade. |
| 722 | adapter.OnEncoderResolutionRequest(320, 200, |
| 723 | CoordinatedVideoAdapter::UPGRADE); |
| 724 | EXPECT_EQ(480, adapter.output_format().width); |
| 725 | EXPECT_EQ(300, adapter.output_format().height); |
| 726 | |
| 727 | // Encoder resolution request: upgrade. Constrained by CPU. |
| 728 | adapter.OnEncoderResolutionRequest(480, 300, |
| 729 | CoordinatedVideoAdapter::UPGRADE); |
| 730 | EXPECT_EQ(480, adapter.output_format().width); |
| 731 | EXPECT_EQ(300, adapter.output_format().height); |
| 732 | |
| 733 | // Server format request 640x400. Constrained by CPU. |
| 734 | format.width = 640; |
| 735 | format.height = 400; |
| 736 | adapter.OnOutputFormatRequest(format); |
| 737 | EXPECT_EQ(480, adapter.output_format().width); |
| 738 | EXPECT_EQ(300, adapter.output_format().height); |
| 739 | } |
| 740 | |
| 741 | TEST(CoordinatedVideoAdapterTest, TestCoordinatedWithCpuRequest) { |
| 742 | CoordinatedVideoAdapter adapter; |
| 743 | adapter.set_cpu_adaptation(true); |
| 744 | EXPECT_FALSE(adapter.cpu_smoothing()); |
| 745 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 746 | adapter.SetInputFormat(format); |
| 747 | |
| 748 | // Server format request 640x400. |
| 749 | format.height = 400; |
| 750 | adapter.OnOutputFormatRequest(format); |
| 751 | EXPECT_EQ(640, adapter.output_format().width); |
| 752 | EXPECT_EQ(400, adapter.output_format().height); |
| 753 | |
| 754 | // CPU resolution request: downgrade. Adapt down. |
| 755 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE); |
| 756 | EXPECT_EQ(480, adapter.output_format().width); |
| 757 | EXPECT_EQ(300, adapter.output_format().height); |
| 758 | |
| 759 | // CPU resolution request: keep. Do nothing. |
| 760 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::KEEP); |
| 761 | EXPECT_EQ(480, adapter.output_format().width); |
| 762 | EXPECT_EQ(300, adapter.output_format().height); |
| 763 | |
| 764 | // CPU resolution request: downgrade, but cpu adaptation disabled. |
| 765 | // Adapt nothing. |
| 766 | adapter.set_cpu_adaptation(false); |
| 767 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE); |
| 768 | EXPECT_EQ(480, adapter.output_format().width); |
| 769 | EXPECT_EQ(300, adapter.output_format().height); |
| 770 | |
| 771 | // CPU resolution request: downgrade. Adapt down. |
| 772 | adapter.set_cpu_adaptation(true); |
| 773 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE); |
| 774 | EXPECT_EQ(320, adapter.output_format().width); |
| 775 | EXPECT_EQ(200, adapter.output_format().height); |
| 776 | |
| 777 | // Test reason for adapting is CPU. |
| 778 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, |
| 779 | adapter.adapt_reason()); |
| 780 | |
| 781 | // CPU resolution request: downgrade, but already at minimum. Do nothing. |
| 782 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::DOWNGRADE); |
| 783 | EXPECT_EQ(320, adapter.output_format().width); |
| 784 | EXPECT_EQ(200, adapter.output_format().height); |
| 785 | |
| 786 | // Server format request 320x200. Same as CPU. Do nothing. |
| 787 | format.width = 320; |
| 788 | format.height = 200; |
| 789 | adapter.OnOutputFormatRequest(format); |
| 790 | EXPECT_EQ(320, adapter.output_format().width); |
| 791 | EXPECT_EQ(200, adapter.output_format().height); |
| 792 | |
| 793 | // Test reason for adapting is CPU and VIEW. |
| 794 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU + |
| 795 | CoordinatedVideoAdapter::ADAPTREASON_VIEW, |
| 796 | adapter.adapt_reason()); |
| 797 | |
| 798 | // CPU resolution request: upgrade, but view request still low. Do nothing. |
| 799 | adapter.OnCpuResolutionRequest(CoordinatedVideoAdapter::UPGRADE); |
| 800 | EXPECT_EQ(320, adapter.output_format().width); |
| 801 | EXPECT_EQ(200, adapter.output_format().height); |
| 802 | |
| 803 | // Test reason for adapting is VIEW. |
| 804 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, |
| 805 | adapter.adapt_reason()); |
| 806 | |
| 807 | // Server format request 640x400. Cpu is still low. Upgrade. |
| 808 | format.width = 640; |
| 809 | format.height = 400; |
| 810 | adapter.OnOutputFormatRequest(format); |
| 811 | EXPECT_EQ(480, adapter.output_format().width); |
| 812 | EXPECT_EQ(300, adapter.output_format().height); |
| 813 | |
| 814 | // Test reason for adapting is CPU. |
| 815 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, |
| 816 | adapter.adapt_reason()); |
| 817 | |
| 818 | // Encoder resolution request: downgrade. |
| 819 | adapter.OnEncoderResolutionRequest(480, 300, |
| 820 | CoordinatedVideoAdapter::DOWNGRADE); |
| 821 | EXPECT_EQ(320, adapter.output_format().width); |
| 822 | EXPECT_EQ(200, adapter.output_format().height); |
| 823 | |
| 824 | // Test reason for adapting is BANDWIDTH. |
| 825 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_BANDWIDTH, |
| 826 | adapter.adapt_reason()); |
| 827 | |
| 828 | // Process load and system load are low. Constrained by GD. Adapt nothing |
| 829 | adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f); |
| 830 | EXPECT_EQ(320, adapter.output_format().width); |
| 831 | EXPECT_EQ(200, adapter.output_format().height); |
| 832 | |
| 833 | // Encoder resolution request: upgrade. |
| 834 | adapter.OnEncoderResolutionRequest(320, 200, |
| 835 | CoordinatedVideoAdapter::UPGRADE); |
| 836 | EXPECT_EQ(480, adapter.output_format().width); |
| 837 | EXPECT_EQ(300, adapter.output_format().height); |
| 838 | |
| 839 | // Encoder resolution request: upgrade. Constrained by CPU. |
| 840 | adapter.OnEncoderResolutionRequest(480, 300, |
| 841 | CoordinatedVideoAdapter::UPGRADE); |
| 842 | EXPECT_EQ(480, adapter.output_format().width); |
| 843 | EXPECT_EQ(300, adapter.output_format().height); |
| 844 | |
| 845 | // Server format request 640x400. Constrained by CPU. |
| 846 | format.width = 640; |
| 847 | format.height = 400; |
| 848 | adapter.OnOutputFormatRequest(format); |
| 849 | EXPECT_EQ(480, adapter.output_format().width); |
| 850 | EXPECT_EQ(300, adapter.output_format().height); |
| 851 | } |
| 852 | |
| 853 | TEST(CoordinatedVideoAdapterTest, TestViewRequestPlusCameraSwitch) { |
| 854 | CoordinatedVideoAdapter adapter; |
| 855 | adapter.set_view_switch(true); |
| 856 | |
| 857 | // Start at HD. |
| 858 | VideoFormat format(1280, 720, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 859 | adapter.SetInputFormat(format); |
| 860 | EXPECT_EQ(format, adapter.input_format()); |
| 861 | EXPECT_TRUE(adapter.output_format().IsSize0x0()); |
| 862 | |
| 863 | // View request for VGA. |
| 864 | format.width = 640; |
| 865 | format.height = 360; |
| 866 | adapter.OnOutputFormatRequest(format); |
| 867 | EXPECT_EQ(640, adapter.output_format().width); |
| 868 | EXPECT_EQ(360, adapter.output_format().height); |
| 869 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, adapter.adapt_reason()); |
| 870 | |
| 871 | // Now, the camera reopens at VGA. |
| 872 | // Both the frame and the output format should be 640x360. |
| 873 | WebRtcVideoFrame in_frame; |
| 874 | in_frame.InitToBlack(640, 360, 1, 1, 33, 33); |
| 875 | VideoFrame* out_frame; |
| 876 | adapter.AdaptFrame(&in_frame, &out_frame); |
| 877 | EXPECT_EQ(640u, out_frame->GetWidth()); |
| 878 | EXPECT_EQ(360u, out_frame->GetHeight()); |
| 879 | // At this point, the view is no longer adapted, since the input has resized |
| 880 | // small enough to fit the last view request. |
| 881 | EXPECT_EQ(0, adapter.adapt_reason()); |
| 882 | |
| 883 | // And another view request comes in for 640x360, which should have no |
| 884 | // real impact. |
| 885 | adapter.OnOutputFormatRequest(format); |
| 886 | EXPECT_EQ(640, adapter.output_format().width); |
| 887 | EXPECT_EQ(360, adapter.output_format().height); |
| 888 | EXPECT_EQ(0, adapter.adapt_reason()); |
| 889 | } |
| 890 | |
| 891 | TEST(CoordinatedVideoAdapterTest, TestVGAWidth) { |
| 892 | CoordinatedVideoAdapter adapter; |
| 893 | adapter.set_view_switch(true); |
| 894 | |
| 895 | // Start at 640x480, for cameras that don't support 640x360. |
| 896 | VideoFormat format(640, 480, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 897 | adapter.SetInputFormat(format); |
| 898 | EXPECT_EQ(format, adapter.input_format()); |
| 899 | EXPECT_TRUE(adapter.output_format().IsSize0x0()); |
| 900 | |
| 901 | // Output format is 640x360, though. |
| 902 | format.width = 640; |
| 903 | format.height = 360; |
| 904 | adapter.SetOutputFormat(format); |
| 905 | |
| 906 | // And also a view request comes for 640x360. |
| 907 | adapter.OnOutputFormatRequest(format); |
| 908 | // At this point, we have to adapt down to something lower. |
| 909 | EXPECT_EQ(480, adapter.output_format().width); |
| 910 | EXPECT_EQ(360, adapter.output_format().height); |
| 911 | |
| 912 | // But if frames come in at 640x360, we shouldn't adapt them down. |
| 913 | // Fake a 640x360 frame. |
| 914 | WebRtcVideoFrame in_frame; |
| 915 | in_frame.InitToBlack(640, 360, 1, 1, 33, 33); |
| 916 | VideoFrame* out_frame; |
| 917 | adapter.AdaptFrame(&in_frame, &out_frame); |
| 918 | |
| 919 | EXPECT_EQ(640u, out_frame->GetWidth()); |
| 920 | EXPECT_EQ(360u, out_frame->GetHeight()); |
| 921 | |
| 922 | // Similarly, no-op adapt requests for other reasons shouldn't change |
| 923 | // adaptation state (before a previous bug, the previous EXPECTs would |
| 924 | // fail and the following would succeed, as the no-op CPU request would |
| 925 | // fix the adaptation state). |
| 926 | adapter.set_cpu_adaptation(true); |
| 927 | UpdateCpuLoad(&adapter, 1, 1, 0.7f, 0.7f); |
| 928 | adapter.AdaptFrame(&in_frame, &out_frame); |
| 929 | |
| 930 | EXPECT_EQ(640u, out_frame->GetWidth()); |
| 931 | EXPECT_EQ(360u, out_frame->GetHeight()); |
| 932 | } |
| 933 | |
| 934 | // When adapting resolution for CPU or GD, the quantity of pixels that the |
| 935 | // request is based on is reduced to half or double, and then an actual |
| 936 | // resolution is snapped to, rounding to the closest actual resolution. |
| 937 | // This works well for some tolerance to 3/4, odd widths and aspect ratios |
| 938 | // that dont exactly match, but is not best behavior for ViewRequests which |
| 939 | // need to be be strictly respected to avoid going over the resolution budget |
| 940 | // given to the codec - 854x480 total pixels. |
| 941 | // ViewRequest must find a lower resolution. |
| 942 | TEST(CoordinatedVideoAdapterTest, TestCoordinatedViewRequestDown) { |
| 943 | CoordinatedVideoAdapter adapter; |
| 944 | adapter.set_cpu_adaptation(false); |
| 945 | |
| 946 | VideoFormat format(960, 540, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 947 | adapter.SetInputFormat(format); |
| 948 | adapter.set_scale_third(true); |
| 949 | EXPECT_EQ(format, adapter.input_format()); |
| 950 | EXPECT_TRUE(adapter.output_format().IsSize0x0()); |
| 951 | |
| 952 | // Server format request 640x400. Expect HVGA. |
| 953 | format.width = 640; |
| 954 | format.height = 400; |
| 955 | adapter.OnOutputFormatRequest(format); |
| 956 | EXPECT_EQ(640, adapter.output_format().width); |
| 957 | EXPECT_EQ(360, adapter.output_format().height); |
| 958 | |
| 959 | // Test reason for adapting is VIEW. |
| 960 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, adapter.adapt_reason()); |
| 961 | } |
| 962 | |
| 963 | // Test that we downgrade video for cpu up to two times. |
| 964 | TEST(CoordinatedVideoAdapterTest, TestCpuDowngradeTimes) { |
| 965 | CoordinatedVideoAdapter adapter; |
| 966 | adapter.set_cpu_adaptation(true); |
| 967 | EXPECT_FALSE(adapter.cpu_smoothing()); |
| 968 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 969 | adapter.SetInputFormat(format); |
| 970 | |
| 971 | // Server format request 640x400. |
| 972 | format.height = 400; |
| 973 | adapter.OnOutputFormatRequest(format); |
| 974 | EXPECT_EQ(640, adapter.output_format().width); |
| 975 | EXPECT_EQ(400, adapter.output_format().height); |
| 976 | |
| 977 | // Process load and system load are low. Do not change the cpu desired format |
| 978 | // and do not adapt. |
| 979 | adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f); |
| 980 | EXPECT_EQ(640, adapter.output_format().width); |
| 981 | EXPECT_EQ(400, adapter.output_format().height); |
| 982 | |
| 983 | // System load is high. Downgrade. |
| 984 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 985 | EXPECT_EQ(480, adapter.output_format().width); |
| 986 | EXPECT_EQ(300, adapter.output_format().height); |
| 987 | |
| 988 | // System load is high. Downgrade again. |
| 989 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 990 | EXPECT_EQ(320, adapter.output_format().width); |
| 991 | EXPECT_EQ(200, adapter.output_format().height); |
| 992 | |
| 993 | // System load is still high. Do not downgrade any more. |
| 994 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 995 | EXPECT_EQ(320, adapter.output_format().width); |
| 996 | EXPECT_EQ(200, adapter.output_format().height); |
| 997 | |
| 998 | // Process load and system load are low. Upgrade. |
| 999 | UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f); |
| 1000 | EXPECT_EQ(480, adapter.output_format().width); |
| 1001 | EXPECT_EQ(300, adapter.output_format().height); |
| 1002 | |
| 1003 | // System load is high. Downgrade. |
| 1004 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1005 | EXPECT_EQ(320, adapter.output_format().width); |
| 1006 | EXPECT_EQ(200, adapter.output_format().height); |
| 1007 | |
| 1008 | // System load is still high. Do not downgrade any more. |
| 1009 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1010 | EXPECT_EQ(320, adapter.output_format().width); |
| 1011 | EXPECT_EQ(200, adapter.output_format().height); |
| 1012 | } |
| 1013 | |
| 1014 | // Test that we respect CPU adapter threshold values. |
| 1015 | TEST(CoordinatedVideoAdapterTest, TestAdapterCpuThreshold) { |
| 1016 | CoordinatedVideoAdapter adapter; |
| 1017 | adapter.set_cpu_adaptation(true); |
| 1018 | EXPECT_FALSE(adapter.cpu_smoothing()); |
| 1019 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1020 | adapter.SetInputFormat(format); |
| 1021 | |
| 1022 | // Server format request 640x400. |
| 1023 | format.height = 400; |
| 1024 | adapter.OnOutputFormatRequest(format); |
| 1025 | EXPECT_EQ(640, adapter.output_format().width); |
| 1026 | EXPECT_EQ(400, adapter.output_format().height); |
| 1027 | |
| 1028 | // Process load and system load are low. Do not change the cpu desired format |
| 1029 | // and do not adapt. |
| 1030 | adapter.OnCpuLoadUpdated(1, 1, 0.2f, 0.3f); |
| 1031 | EXPECT_EQ(640, adapter.output_format().width); |
| 1032 | EXPECT_EQ(400, adapter.output_format().height); |
| 1033 | |
| 1034 | // System load is high. Downgrade. |
| 1035 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1036 | EXPECT_EQ(480, adapter.output_format().width); |
| 1037 | EXPECT_EQ(300, adapter.output_format().height); |
| 1038 | |
| 1039 | // Test reason for adapting is CPU. |
| 1040 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_CPU, adapter.adapt_reason()); |
| 1041 | |
| 1042 | // System load is high. Normally downgrade but threshold is high. Do nothing. |
| 1043 | adapter.set_high_system_threshold(0.98f); // Set threshold high. |
| 1044 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1045 | EXPECT_EQ(480, adapter.output_format().width); |
| 1046 | EXPECT_EQ(300, adapter.output_format().height); |
| 1047 | |
| 1048 | // System load is medium. Normally do nothing, threshold is low. Adapt down. |
| 1049 | adapter.set_high_system_threshold(0.75f); // Set threshold low. |
| 1050 | UpdateCpuLoad(&adapter, 1, 1, 0.8f, 0.8f); |
| 1051 | EXPECT_EQ(320, adapter.output_format().width); |
| 1052 | EXPECT_EQ(200, adapter.output_format().height); |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | // Test that for an upgrade cpu request, we actually upgrade the desired format; |
| 1057 | // for a downgrade request, we downgrade from the output format. |
| 1058 | TEST(CoordinatedVideoAdapterTest, TestRealCpuUpgrade) { |
| 1059 | CoordinatedVideoAdapter adapter; |
| 1060 | adapter.set_cpu_adaptation(true); |
| 1061 | adapter.set_cpu_smoothing(true); |
| 1062 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1063 | adapter.SetInputFormat(format); |
| 1064 | |
| 1065 | // Server format request 640x400. |
| 1066 | format.width = 640; |
| 1067 | format.height = 400; |
| 1068 | adapter.OnOutputFormatRequest(format); |
| 1069 | EXPECT_EQ(640, adapter.output_format().width); |
| 1070 | EXPECT_EQ(400, adapter.output_format().height); |
| 1071 | |
| 1072 | // Process load and system load are low. Do not change the cpu desired format |
| 1073 | // and do not adapt. |
| 1074 | UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f); |
| 1075 | EXPECT_EQ(640, adapter.output_format().width); |
| 1076 | EXPECT_EQ(400, adapter.output_format().height); |
| 1077 | |
| 1078 | // Server format request 320x200. |
| 1079 | format.width = 320; |
| 1080 | format.height = 200; |
| 1081 | adapter.OnOutputFormatRequest(format); |
| 1082 | EXPECT_EQ(320, adapter.output_format().width); |
| 1083 | EXPECT_EQ(200, adapter.output_format().height); |
| 1084 | |
| 1085 | // Process load and system load are low. Do not change the cpu desired format |
| 1086 | // and do not adapt. |
| 1087 | UpdateCpuLoad(&adapter, 1, 1, 0.2f, 0.3f); |
| 1088 | EXPECT_EQ(320, adapter.output_format().width); |
| 1089 | EXPECT_EQ(200, adapter.output_format().height); |
| 1090 | |
| 1091 | // Server format request 640x400. Set to 640x400 immediately. |
| 1092 | format.width = 640; |
| 1093 | format.height = 400; |
| 1094 | adapter.OnOutputFormatRequest(format); |
| 1095 | EXPECT_EQ(640, adapter.output_format().width); |
| 1096 | EXPECT_EQ(400, adapter.output_format().height); |
| 1097 | |
| 1098 | // Server format request 320x200. |
| 1099 | format.width = 320; |
| 1100 | format.height = 200; |
| 1101 | adapter.OnOutputFormatRequest(format); |
| 1102 | EXPECT_EQ(320, adapter.output_format().width); |
| 1103 | EXPECT_EQ(200, adapter.output_format().height); |
| 1104 | |
| 1105 | // Process load is high, but system is not. Do not change the cpu desired |
| 1106 | // format and do not adapt. |
| 1107 | for (size_t i = 0; i < 10; ++i) { |
| 1108 | UpdateCpuLoad(&adapter, 1, 1, 0.75f, 0.8f); |
| 1109 | } |
| 1110 | EXPECT_EQ(320, adapter.output_format().width); |
| 1111 | EXPECT_EQ(200, adapter.output_format().height); |
| 1112 | } |
| 1113 | |
| 1114 | // Test that for an upgrade encoder request, we actually upgrade the desired |
| 1115 | // format; for a downgrade request, we downgrade from the output format. |
| 1116 | TEST(CoordinatedVideoAdapterTest, TestRealEncoderUpgrade) { |
| 1117 | CoordinatedVideoAdapter adapter; |
| 1118 | adapter.set_cpu_adaptation(true); |
| 1119 | adapter.set_cpu_smoothing(true); |
| 1120 | VideoFormat format(640, 400, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1121 | adapter.SetInputFormat(format); |
| 1122 | |
| 1123 | // Server format request 640x400. |
| 1124 | format.width = 640; |
| 1125 | format.height = 400; |
| 1126 | adapter.OnOutputFormatRequest(format); |
| 1127 | EXPECT_EQ(640, adapter.output_format().width); |
| 1128 | EXPECT_EQ(400, adapter.output_format().height); |
| 1129 | |
| 1130 | // Encoder resolution request. Do not change the encoder desired format and |
| 1131 | // do not adapt. |
| 1132 | adapter.OnEncoderResolutionRequest(640, 400, |
| 1133 | CoordinatedVideoAdapter::UPGRADE); |
| 1134 | EXPECT_EQ(640, adapter.output_format().width); |
| 1135 | EXPECT_EQ(400, adapter.output_format().height); |
| 1136 | |
| 1137 | // Server format request 320x200. |
| 1138 | format.width = 320; |
| 1139 | format.height = 200; |
| 1140 | adapter.OnOutputFormatRequest(format); |
| 1141 | EXPECT_EQ(320, adapter.output_format().width); |
| 1142 | EXPECT_EQ(200, adapter.output_format().height); |
| 1143 | |
| 1144 | // Encoder resolution request. Do not change the encoder desired format and |
| 1145 | // do not adapt. |
| 1146 | adapter.OnEncoderResolutionRequest(320, 200, |
| 1147 | CoordinatedVideoAdapter::UPGRADE); |
| 1148 | EXPECT_EQ(320, adapter.output_format().width); |
| 1149 | EXPECT_EQ(200, adapter.output_format().height); |
| 1150 | |
| 1151 | // Server format request 640x400. Set to 640x400 immediately. |
| 1152 | format.width = 640; |
| 1153 | format.height = 400; |
| 1154 | adapter.OnOutputFormatRequest(format); |
| 1155 | EXPECT_EQ(480, adapter.output_format().width); |
| 1156 | EXPECT_EQ(300, adapter.output_format().height); |
| 1157 | |
| 1158 | // Test reason for adapting is BANDWIDTH. |
| 1159 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_BANDWIDTH, |
| 1160 | adapter.adapt_reason()); |
| 1161 | |
| 1162 | // Server format request 320x200. |
| 1163 | format.width = 320; |
| 1164 | format.height = 200; |
| 1165 | adapter.OnOutputFormatRequest(format); |
| 1166 | EXPECT_EQ(320, adapter.output_format().width); |
| 1167 | EXPECT_EQ(200, adapter.output_format().height); |
| 1168 | |
| 1169 | // Encoder resolution request. Downgrade from 320x200. |
| 1170 | adapter.OnEncoderResolutionRequest(320, 200, |
| 1171 | CoordinatedVideoAdapter::DOWNGRADE); |
| 1172 | EXPECT_EQ(240, adapter.output_format().width); |
| 1173 | EXPECT_EQ(150, adapter.output_format().height); |
| 1174 | } |
| 1175 | |
| 1176 | TEST(CoordinatedVideoAdapterTest, TestNormalizeOutputFormat) { |
| 1177 | CoordinatedVideoAdapter adapter; |
| 1178 | // The input format is 640x360 and the output is limited to 16:9. |
| 1179 | VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1180 | adapter.SetInputFormat(format); |
| 1181 | |
| 1182 | format.width = 320; |
| 1183 | format.height = 180; |
| 1184 | format.interval = VideoFormat::FpsToInterval(15); |
| 1185 | adapter.OnOutputFormatRequest(format); |
| 1186 | EXPECT_EQ(320, adapter.output_format().width); |
| 1187 | EXPECT_EQ(180, adapter.output_format().height); |
| 1188 | EXPECT_EQ(VideoFormat::FpsToInterval(15), adapter.output_format().interval); |
| 1189 | |
| 1190 | format.width = 320; |
| 1191 | format.height = 200; |
| 1192 | format.interval = VideoFormat::FpsToInterval(40); |
| 1193 | adapter.OnOutputFormatRequest(format); |
| 1194 | EXPECT_EQ(320, adapter.output_format().width); |
| 1195 | EXPECT_EQ(180, adapter.output_format().height); |
| 1196 | EXPECT_EQ(VideoFormat::FpsToInterval(30), adapter.output_format().interval); |
| 1197 | |
| 1198 | // Test reason for adapting is VIEW. Should work even with normalization. |
| 1199 | EXPECT_EQ(CoordinatedVideoAdapter::ADAPTREASON_VIEW, |
| 1200 | adapter.adapt_reason()); |
| 1201 | |
| 1202 | format.width = 320; |
| 1203 | format.height = 240; |
| 1204 | adapter.OnOutputFormatRequest(format); |
| 1205 | EXPECT_EQ(320, adapter.output_format().width); |
| 1206 | EXPECT_EQ(180, adapter.output_format().height); |
| 1207 | |
| 1208 | // The input format is 640x480 and the output will be 4:3. |
| 1209 | format.width = 640; |
| 1210 | format.height = 480; |
| 1211 | adapter.SetInputFormat(format); |
| 1212 | EXPECT_EQ(320, adapter.output_format().width); |
| 1213 | EXPECT_EQ(240, adapter.output_format().height); |
| 1214 | |
| 1215 | format.width = 320; |
| 1216 | format.height = 240; |
| 1217 | adapter.OnOutputFormatRequest(format); |
| 1218 | EXPECT_EQ(320, adapter.output_format().width); |
| 1219 | EXPECT_EQ(240, adapter.output_format().height); |
| 1220 | |
| 1221 | // The input format is initialized after the output. At that time, the output |
| 1222 | // height is adjusted. |
| 1223 | format.width = 0; |
| 1224 | format.height = 0; |
| 1225 | adapter.SetInputFormat(format); |
| 1226 | |
| 1227 | format.width = 320; |
| 1228 | format.height = 240; |
| 1229 | format.interval = VideoFormat::FpsToInterval(30); |
| 1230 | adapter.OnOutputFormatRequest(format); |
| 1231 | EXPECT_EQ(320, adapter.output_format().width); |
| 1232 | EXPECT_EQ(240, adapter.output_format().height); |
| 1233 | EXPECT_EQ(VideoFormat::FpsToInterval(30), adapter.output_format().interval); |
| 1234 | |
| 1235 | format.width = 640; |
| 1236 | format.height = 480; |
| 1237 | format.interval = VideoFormat::FpsToInterval(15); |
| 1238 | adapter.SetInputFormat(format); |
| 1239 | EXPECT_EQ(320, adapter.output_format().width); |
| 1240 | EXPECT_EQ(240, adapter.output_format().height); |
| 1241 | EXPECT_EQ(VideoFormat::FpsToInterval(15), adapter.output_format().interval); |
| 1242 | } |
| 1243 | |
| 1244 | // Test that we downgrade video for cpu up to two times. |
| 1245 | TEST_F(VideoAdapterTest, CpuDowngradeAndSignal) { |
| 1246 | CoordinatedVideoAdapter adapter; |
| 1247 | CpuAdapterListener cpu_listener; |
| 1248 | adapter.SignalCpuAdaptationUnable.connect( |
| 1249 | &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled); |
| 1250 | |
| 1251 | adapter.set_cpu_adaptation(true); |
| 1252 | EXPECT_FALSE(adapter.cpu_smoothing()); |
| 1253 | VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1254 | adapter.SetInputFormat(format); |
| 1255 | adapter.OnOutputFormatRequest(format); |
| 1256 | |
| 1257 | // System load is high. Downgrade. |
| 1258 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1259 | |
| 1260 | // System load is high. Downgrade again. |
| 1261 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1262 | |
| 1263 | // System load is still high. Do not downgrade any more. Ensure we have not |
| 1264 | // signalled until after the cpu warning though. |
| 1265 | EXPECT_TRUE(!cpu_listener.received_cpu_signal()); |
| 1266 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1267 | EXPECT_TRUE_WAIT(cpu_listener.received_cpu_signal(), kWaitTimeout); |
| 1268 | } |
| 1269 | |
| 1270 | // Test that we downgrade video for cpu up to two times. |
| 1271 | TEST_F(VideoAdapterTest, CpuDowngradeAndDontSignal) { |
| 1272 | CoordinatedVideoAdapter adapter; |
| 1273 | CpuAdapterListener cpu_listener; |
| 1274 | adapter.SignalCpuAdaptationUnable.connect( |
| 1275 | &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled); |
| 1276 | |
| 1277 | adapter.set_cpu_adaptation(true); |
| 1278 | adapter.set_cpu_smoothing(true); |
| 1279 | VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1280 | adapter.SetInputFormat(format); |
| 1281 | adapter.OnOutputFormatRequest(format); |
| 1282 | |
| 1283 | // System load is high. Downgrade. |
| 1284 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1285 | |
| 1286 | // System load is high, process is not, Do not downgrade again. |
| 1287 | UpdateCpuLoad(&adapter, 1, 1, 0.25f, 0.95f); |
| 1288 | |
| 1289 | // System load is high, process is not, Do not downgrade again and do not |
| 1290 | // signal. |
| 1291 | adapter.set_cpu_adaptation(false); |
| 1292 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1293 | rtc::Thread::Current()->ProcessMessages(kShortWaitTimeout); |
| 1294 | EXPECT_TRUE(!cpu_listener.received_cpu_signal()); |
| 1295 | adapter.set_cpu_adaptation(true); |
| 1296 | } |
| 1297 | |
| 1298 | // Test that we require enough time before we downgrade. |
| 1299 | TEST_F(VideoAdapterTest, CpuMinTimeRequirement) { |
| 1300 | CoordinatedVideoAdapter adapter; |
| 1301 | CpuAdapterListener cpu_listener; |
| 1302 | adapter.SignalCpuAdaptationUnable.connect( |
| 1303 | &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled); |
| 1304 | |
| 1305 | adapter.set_cpu_adaptation(true); |
| 1306 | adapter.set_cpu_smoothing(true); |
| 1307 | VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1308 | adapter.SetInputFormat(format); |
| 1309 | adapter.OnOutputFormatRequest(format); |
| 1310 | |
| 1311 | EXPECT_EQ(3, adapter.cpu_load_min_samples()); |
| 1312 | adapter.set_cpu_load_min_samples(5); |
| 1313 | |
| 1314 | for (size_t i = 0; i < 4; ++i) { |
| 1315 | adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f); |
| 1316 | EXPECT_EQ(640, adapter.output_format().width); |
| 1317 | EXPECT_EQ(360, adapter.output_format().height); |
| 1318 | } |
| 1319 | // The computed cpu load should now be around 93.5%, with the coefficient of |
| 1320 | // 0.4 and a seed value of 0.5. That should be high enough to adapt, but it |
| 1321 | // isn't enough samples, so we shouldn't have adapted on any of the previous |
| 1322 | // samples. |
| 1323 | |
| 1324 | // One more sample is enough, though, once enough time has passed. |
| 1325 | adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f); |
| 1326 | EXPECT_EQ(480, adapter.output_format().width); |
| 1327 | EXPECT_EQ(270, adapter.output_format().height); |
| 1328 | |
| 1329 | // Now the cpu is lower, but we still need enough samples to upgrade. |
| 1330 | for (size_t i = 0; i < 4; ++i) { |
| 1331 | adapter.OnCpuLoadUpdated(1, 1, 0.1f, 0.1f); |
| 1332 | EXPECT_EQ(480, adapter.output_format().width); |
| 1333 | EXPECT_EQ(270, adapter.output_format().height); |
| 1334 | } |
| 1335 | |
| 1336 | // One more sample is enough, once time has elapsed. |
| 1337 | adapter.OnCpuLoadUpdated(1, 1, 1.0f, 1.0f); |
| 1338 | EXPECT_EQ(640, adapter.output_format().width); |
| 1339 | EXPECT_EQ(360, adapter.output_format().height); |
| 1340 | } |
| 1341 | |
| 1342 | TEST_F(VideoAdapterTest, CpuIgnoresSpikes) { |
| 1343 | CoordinatedVideoAdapter adapter; |
| 1344 | CpuAdapterListener cpu_listener; |
| 1345 | adapter.SignalCpuAdaptationUnable.connect( |
| 1346 | &cpu_listener, &CpuAdapterListener::OnCpuAdaptationSignalled); |
| 1347 | |
| 1348 | adapter.set_cpu_adaptation(true); |
| 1349 | adapter.set_cpu_smoothing(true); |
| 1350 | VideoFormat format(640, 360, VideoFormat::FpsToInterval(30), FOURCC_I420); |
| 1351 | adapter.SetInputFormat(format); |
| 1352 | adapter.OnOutputFormatRequest(format); |
| 1353 | |
| 1354 | // System load is high. Downgrade. |
| 1355 | for (size_t i = 0; i < 5; ++i) { |
| 1356 | UpdateCpuLoad(&adapter, 1, 1, 0.95f, 0.95f); |
| 1357 | } |
| 1358 | EXPECT_EQ(480, adapter.output_format().width); |
| 1359 | EXPECT_EQ(270, adapter.output_format().height); |
| 1360 | |
| 1361 | // Now we're in a state where we could upgrade or downgrade, so get to a |
| 1362 | // steady state of about 75% cpu usage. |
| 1363 | for (size_t i = 0; i < 5; ++i) { |
| 1364 | UpdateCpuLoad(&adapter, 1, 1, 0.75f, 0.75f); |
| 1365 | EXPECT_EQ(480, adapter.output_format().width); |
| 1366 | EXPECT_EQ(270, adapter.output_format().height); |
| 1367 | } |
| 1368 | |
| 1369 | // Now, the cpu spikes for two samples, but then goes back to |
| 1370 | // normal. This shouldn't cause adaptation. |
| 1371 | UpdateCpuLoad(&adapter, 1, 1, 0.90f, 0.90f); |
| 1372 | UpdateCpuLoad(&adapter, 1, 1, 0.90f, 0.90f); |
| 1373 | EXPECT_EQ(480, adapter.output_format().width); |
| 1374 | EXPECT_EQ(270, adapter.output_format().height); |
| 1375 | // Back to the steady state for awhile. |
| 1376 | for (size_t i = 0; i < 5; ++i) { |
| 1377 | UpdateCpuLoad(&adapter, 1, 1, 0.75, 0.75); |
| 1378 | EXPECT_EQ(480, adapter.output_format().width); |
| 1379 | EXPECT_EQ(270, adapter.output_format().height); |
| 1380 | } |
| 1381 | |
| 1382 | // Now, system cpu usage is starting to drop down. But it takes a bit before |
| 1383 | // it gets all the way there. |
| 1384 | for (size_t i = 0; i < 10; ++i) { |
| 1385 | UpdateCpuLoad(&adapter, 1, 1, 0.5f, 0.5f); |
| 1386 | } |
| 1387 | EXPECT_EQ(640, adapter.output_format().width); |
| 1388 | EXPECT_EQ(360, adapter.output_format().height); |
| 1389 | } |
| 1390 | |
| 1391 | } // namespace cricket |
| 1392 | #endif // HAVE_WEBRTC_VIDEO |