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| 1 /* | |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/modules/audio_processing/aec3/echo_canceller3.h" | |
| 12 | |
| 13 #include <deque> | |
| 14 #include <memory> | |
| 15 #include <sstream> | |
| 16 #include <string> | |
| 17 #include <utility> | |
| 18 #include <vector> | |
| 19 | |
| 20 #include "webrtc/modules/audio_processing/aec3/aec3_constants.h" | |
| 21 #include "webrtc/modules/audio_processing/aec3/block_processor.h" | |
| 22 #include "webrtc/modules/audio_processing/aec3/frame_blocker.h" | |
| 23 #include "webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h" | |
| 24 #include "webrtc/modules/audio_processing/audio_buffer.h" | |
| 25 #include "webrtc/test/gmock.h" | |
| 26 #include "webrtc/test/gtest.h" | |
| 27 | |
| 28 namespace webrtc { | |
| 29 namespace { | |
| 30 | |
| 31 using testing::StrictMock; | |
| 32 using testing::_; | |
| 33 | |
| 34 // Populates the frame with linearly increasing sample values for each band, | |
| 35 // with a band-specific offset, in order to allow simple bitexactness | |
| 36 // verification for each band. | |
| 37 void PopulateInputFrame(size_t frame_length, | |
| 38 size_t num_bands, | |
| 39 size_t frame_index, | |
| 40 float* const* frame, | |
| 41 int offset) { | |
| 42 for (size_t k = 0; k < num_bands; ++k) { | |
| 43 for (size_t i = 0; i < frame_length; ++i) { | |
| 44 float value = static_cast<int>(frame_index * frame_length + i) + offset; | |
| 45 frame[k][i] = (value > 0 ? 5000 * k + value : 0); | |
| 46 } | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 // Verifies the that samples in the output frame are identical to the samples | |
| 51 // that were produced for the input frame, with an offset in order to compensate | |
| 52 // for buffering delays. | |
| 53 bool VerifyOutputFrameBitexactness(size_t frame_length, | |
| 54 size_t num_bands, | |
| 55 size_t frame_index, | |
| 56 const float* const* frame, | |
| 57 int offset) { | |
| 58 float reference_frame_data[kMaxNumBands][2 * kSubFrameLength]; | |
| 59 float* reference_frame[kMaxNumBands]; | |
| 60 for (size_t k = 0; k < num_bands; ++k) { | |
| 61 reference_frame[k] = &reference_frame_data[k][0]; | |
| 62 } | |
| 63 | |
| 64 PopulateInputFrame(frame_length, num_bands, frame_index, reference_frame, | |
| 65 offset); | |
| 66 for (size_t k = 0; k < num_bands; ++k) { | |
| 67 for (size_t i = 0; i < frame_length; ++i) { | |
| 68 if (reference_frame[k][i] != frame[k][i]) { | |
| 69 return false; | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 return true; | |
| 75 } | |
| 76 | |
| 77 // Class for testing that the capture data is properly received by the block | |
| 78 // processor and that the processor data is properly passed to the | |
| 79 // EchoCanceller3 output. | |
| 80 class CaptureTransportVerificationProcessor : public BlockProcessor { | |
| 81 public: | |
| 82 explicit CaptureTransportVerificationProcessor(size_t num_bands) {} | |
| 83 ~CaptureTransportVerificationProcessor() override = default; | |
| 84 | |
| 85 void ProcessCapture(bool known_echo_path_change, | |
| 86 bool saturated_microphone_signal, | |
| 87 std::vector<std::vector<float>>* capture_block) override { | |
| 88 } | |
| 89 | |
| 90 bool BufferRender(std::vector<std::vector<float>>* block) override { | |
| 91 return false; | |
| 92 } | |
| 93 | |
| 94 void ReportEchoLeakage(bool leakage_detected) override {} | |
| 95 | |
| 96 private: | |
| 97 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CaptureTransportVerificationProcessor); | |
| 98 }; | |
| 99 | |
| 100 // Class for testing that the render data is properly received by the block | |
| 101 // processor. | |
| 102 class RenderTransportVerificationProcessor : public BlockProcessor { | |
| 103 public: | |
| 104 explicit RenderTransportVerificationProcessor(size_t num_bands) {} | |
| 105 ~RenderTransportVerificationProcessor() override = default; | |
| 106 | |
| 107 void ProcessCapture(bool known_echo_path_change, | |
| 108 bool saturated_microphone_signal, | |
| 109 std::vector<std::vector<float>>* capture_block) override { | |
| 110 std::vector<std::vector<float>> render_block = | |
| 111 received_render_blocks_.front(); | |
| 112 received_render_blocks_.pop_front(); | |
| 113 capture_block->swap(render_block); | |
| 114 } | |
| 115 | |
| 116 bool BufferRender(std::vector<std::vector<float>>* block) override { | |
| 117 received_render_blocks_.push_back(*block); | |
| 118 return false; | |
| 119 } | |
| 120 | |
| 121 void ReportEchoLeakage(bool leakage_detected) override {} | |
| 122 | |
| 123 private: | |
| 124 std::deque<std::vector<std::vector<float>>> received_render_blocks_; | |
| 125 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RenderTransportVerificationProcessor); | |
| 126 }; | |
| 127 | |
| 128 class EchoCanceller3Tester { | |
| 129 public: | |
| 130 explicit EchoCanceller3Tester(int sample_rate_hz) | |
| 131 : sample_rate_hz_(sample_rate_hz), | |
| 132 num_bands_(NumBandsForRate(sample_rate_hz_)), | |
| 133 frame_length_(sample_rate_hz_ == 8000 ? 80 : 160), | |
| 134 fullband_frame_length_(rtc::CheckedDivExact(sample_rate_hz_, 100)), | |
| 135 capture_buffer_(fullband_frame_length_, | |
| 136 1, | |
| 137 fullband_frame_length_, | |
| 138 1, | |
| 139 fullband_frame_length_), | |
| 140 render_buffer_(fullband_frame_length_, | |
| 141 1, | |
| 142 fullband_frame_length_, | |
| 143 1, | |
| 144 fullband_frame_length_) {} | |
| 145 | |
| 146 // Verifies that the capture data is properly received by the block processor | |
| 147 // and that the processor data is properly passed to the EchoCanceller3 | |
| 148 // output. | |
| 149 void RunCaptureTransportVerificationTest() { | |
| 150 EchoCanceller3 aec3( | |
| 151 sample_rate_hz_, false, | |
| 152 std::unique_ptr<BlockProcessor>( | |
| 153 new CaptureTransportVerificationProcessor(num_bands_))); | |
| 154 | |
| 155 for (size_t frame_index = 0; frame_index < kNumFramesToProcess; | |
| 156 ++frame_index) { | |
| 157 aec3.AnalyzeCapture(&capture_buffer_); | |
| 158 OptionalBandSplit(); | |
| 159 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 160 &capture_buffer_.split_bands_f(0)[0], 0); | |
| 161 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 162 &render_buffer_.split_bands_f(0)[0], 100); | |
| 163 | |
| 164 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 165 aec3.ProcessCapture(&capture_buffer_, false); | |
| 166 EXPECT_TRUE(VerifyOutputFrameBitexactness( | |
| 167 frame_length_, num_bands_, frame_index, | |
| 168 &capture_buffer_.split_bands_f(0)[0], -64)); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 // Test method for testing that the render data is properly received by the | |
| 173 // block processor. | |
| 174 void RunRenderTransportVerificationTest() { | |
| 175 EchoCanceller3 aec3( | |
| 176 sample_rate_hz_, false, | |
| 177 std::unique_ptr<BlockProcessor>( | |
| 178 new RenderTransportVerificationProcessor(num_bands_))); | |
| 179 | |
| 180 for (size_t frame_index = 0; frame_index < kNumFramesToProcess; | |
| 181 ++frame_index) { | |
| 182 aec3.AnalyzeCapture(&capture_buffer_); | |
| 183 OptionalBandSplit(); | |
| 184 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 185 &capture_buffer_.split_bands_f(0)[0], 100); | |
| 186 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 187 &render_buffer_.split_bands_f(0)[0], 0); | |
| 188 | |
| 189 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 190 aec3.ProcessCapture(&capture_buffer_, false); | |
| 191 EXPECT_TRUE(VerifyOutputFrameBitexactness( | |
| 192 frame_length_, num_bands_, frame_index, | |
| 193 &capture_buffer_.split_bands_f(0)[0], -64)); | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 // Verifies that information about echo path changes are properly propagated | |
| 198 // to the block processor. | |
| 199 // The cases tested are: | |
| 200 // -That no set echo path change flags are received when there is no echo path | |
| 201 // change. | |
| 202 // -That set echo path change flags are received and continues to be received | |
| 203 // as long as echo path changes are flagged. | |
| 204 // -That set echo path change flags are no longer received when echo path | |
| 205 // change events stop being flagged. | |
| 206 enum class EchoPathChangeTestVariant { kNone, kOneSticky, kOneNonSticky }; | |
| 207 | |
| 208 void RunEchoPathChangeVerificationTest( | |
| 209 EchoPathChangeTestVariant echo_path_change_test_variant) { | |
| 210 const size_t num_full_blocks_per_frame = | |
| 211 rtc::CheckedDivExact(LowestBandRate(sample_rate_hz_), 100) / kBlockSize; | |
| 212 const size_t expected_num_block_to_process = | |
| 213 (kNumFramesToProcess * | |
| 214 rtc::CheckedDivExact(LowestBandRate(sample_rate_hz_), 100)) / | |
| 215 kBlockSize; | |
| 216 std::unique_ptr<testing::StrictMock<webrtc::test::MockBlockProcessor>> | |
| 217 block_processor_mock( | |
| 218 new StrictMock<webrtc::test::MockBlockProcessor>()); | |
| 219 EXPECT_CALL(*block_processor_mock, BufferRender(_)) | |
| 220 .Times(expected_num_block_to_process); | |
| 221 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0); | |
| 222 | |
| 223 switch (echo_path_change_test_variant) { | |
| 224 case EchoPathChangeTestVariant::kNone: | |
| 225 EXPECT_CALL(*block_processor_mock, ProcessCapture(false, _, _)) | |
| 226 .Times(expected_num_block_to_process); | |
| 227 break; | |
| 228 case EchoPathChangeTestVariant::kOneSticky: | |
| 229 EXPECT_CALL(*block_processor_mock, ProcessCapture(true, _, _)) | |
| 230 .Times(expected_num_block_to_process); | |
| 231 break; | |
| 232 case EchoPathChangeTestVariant::kOneNonSticky: | |
| 233 EXPECT_CALL(*block_processor_mock, ProcessCapture(true, _, _)) | |
| 234 .Times(num_full_blocks_per_frame); | |
| 235 EXPECT_CALL(*block_processor_mock, ProcessCapture(false, _, _)) | |
| 236 .Times(expected_num_block_to_process - num_full_blocks_per_frame); | |
| 237 break; | |
| 238 } | |
| 239 | |
| 240 EchoCanceller3 aec3(sample_rate_hz_, false, | |
| 241 std::move(block_processor_mock)); | |
| 242 | |
| 243 for (size_t frame_index = 0; frame_index < kNumFramesToProcess; | |
| 244 ++frame_index) { | |
| 245 bool echo_path_change = false; | |
| 246 switch (echo_path_change_test_variant) { | |
| 247 case EchoPathChangeTestVariant::kNone: | |
| 248 break; | |
| 249 case EchoPathChangeTestVariant::kOneSticky: | |
| 250 echo_path_change = true; | |
| 251 break; | |
| 252 case EchoPathChangeTestVariant::kOneNonSticky: | |
| 253 if (frame_index == 0) { | |
| 254 echo_path_change = true; | |
| 255 } | |
| 256 break; | |
| 257 } | |
| 258 | |
| 259 aec3.AnalyzeCapture(&capture_buffer_); | |
| 260 OptionalBandSplit(); | |
| 261 | |
| 262 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 263 &capture_buffer_.split_bands_f(0)[0], 0); | |
| 264 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 265 &render_buffer_.split_bands_f(0)[0], 0); | |
| 266 | |
| 267 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 268 aec3.ProcessCapture(&capture_buffer_, echo_path_change); | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 // Test for verifying that echo leakage information is being properly passed | |
| 273 // to the processor. | |
| 274 // The cases tested are: | |
| 275 // -That no method calls are received when they should not. | |
| 276 // -That false values are received each time they are flagged. | |
| 277 // -That true values are received each time they are flagged. | |
| 278 // -That a false value is received when flagged after a true value has been | |
| 279 // flagged. | |
| 280 enum class EchoLeakageTestVariant { | |
| 281 kNone, | |
| 282 kFalseSticky, | |
| 283 kTrueSticky, | |
| 284 kTrueNonSticky | |
| 285 }; | |
| 286 | |
| 287 void RunEchoLeakageVerificationTest( | |
| 288 EchoLeakageTestVariant leakage_report_variant) { | |
| 289 const size_t expected_num_block_to_process = | |
| 290 (kNumFramesToProcess * | |
| 291 rtc::CheckedDivExact(LowestBandRate(sample_rate_hz_), 100)) / | |
| 292 kBlockSize; | |
| 293 std::unique_ptr<testing::StrictMock<webrtc::test::MockBlockProcessor>> | |
| 294 block_processor_mock( | |
| 295 new StrictMock<webrtc::test::MockBlockProcessor>()); | |
| 296 EXPECT_CALL(*block_processor_mock, BufferRender(_)) | |
| 297 .Times(expected_num_block_to_process); | |
| 298 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, _, _)) | |
| 299 .Times(expected_num_block_to_process); | |
| 300 | |
| 301 switch (leakage_report_variant) { | |
| 302 case EchoLeakageTestVariant::kNone: | |
| 303 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0); | |
| 304 break; | |
| 305 case EchoLeakageTestVariant::kFalseSticky: | |
| 306 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(false)).Times(1); | |
| 307 break; | |
| 308 case EchoLeakageTestVariant::kTrueSticky: | |
| 309 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(true)).Times(1); | |
| 310 break; | |
| 311 case EchoLeakageTestVariant::kTrueNonSticky: { | |
| 312 testing::InSequence s; | |
| 313 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(true)).Times(1); | |
| 314 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(false)) | |
| 315 .Times(kNumFramesToProcess - 1); | |
| 316 } break; | |
| 317 } | |
| 318 | |
| 319 EchoCanceller3 aec3(sample_rate_hz_, false, | |
| 320 std::move(block_processor_mock)); | |
| 321 | |
| 322 for (size_t frame_index = 0; frame_index < kNumFramesToProcess; | |
| 323 ++frame_index) { | |
| 324 switch (leakage_report_variant) { | |
| 325 case EchoLeakageTestVariant::kNone: | |
| 326 break; | |
| 327 case EchoLeakageTestVariant::kFalseSticky: | |
| 328 if (frame_index == 0) { | |
| 329 aec3.ReportEchoLeakage(false); | |
| 330 } | |
| 331 break; | |
| 332 case EchoLeakageTestVariant::kTrueSticky: | |
| 333 if (frame_index == 0) { | |
| 334 aec3.ReportEchoLeakage(true); | |
| 335 } | |
| 336 break; | |
| 337 case EchoLeakageTestVariant::kTrueNonSticky: | |
| 338 if (frame_index == 0) { | |
| 339 aec3.ReportEchoLeakage(true); | |
| 340 } else { | |
| 341 aec3.ReportEchoLeakage(false); | |
| 342 } | |
| 343 break; | |
| 344 } | |
| 345 | |
| 346 aec3.AnalyzeCapture(&capture_buffer_); | |
| 347 OptionalBandSplit(); | |
| 348 | |
| 349 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 350 &capture_buffer_.split_bands_f(0)[0], 0); | |
| 351 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 352 &render_buffer_.split_bands_f(0)[0], 0); | |
| 353 | |
| 354 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 355 aec3.ProcessCapture(&capture_buffer_, false); | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 // This verifies that saturation information is properly passed to the | |
| 360 // BlockProcessor. | |
| 361 // The cases tested are: | |
| 362 // -That no saturation event is passed to the processor if there is no | |
| 363 // saturation. | |
| 364 // -That one frame with one negative saturated sample value is reported to be | |
| 365 // saturated and that following non-saturated frames are properly reported as | |
| 366 // not being saturated. | |
| 367 // -That one frame with one positive saturated sample value is reported to be | |
| 368 // saturated and that following non-saturated frames are properly reported as | |
| 369 // not being saturated. | |
| 370 enum class SaturationTestVariant { kNone, kOneNegative, kOnePositive }; | |
| 371 | |
| 372 void RunCaptureSaturationVerificationTest( | |
| 373 SaturationTestVariant saturation_variant) { | |
| 374 const size_t num_full_blocks_per_frame = | |
| 375 rtc::CheckedDivExact(LowestBandRate(sample_rate_hz_), 100) / kBlockSize; | |
| 376 const size_t expected_num_block_to_process = | |
| 377 (kNumFramesToProcess * | |
| 378 rtc::CheckedDivExact(LowestBandRate(sample_rate_hz_), 100)) / | |
| 379 kBlockSize; | |
| 380 std::unique_ptr<testing::StrictMock<webrtc::test::MockBlockProcessor>> | |
| 381 block_processor_mock( | |
| 382 new StrictMock<webrtc::test::MockBlockProcessor>()); | |
| 383 EXPECT_CALL(*block_processor_mock, BufferRender(_)) | |
| 384 .Times(expected_num_block_to_process); | |
| 385 EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0); | |
| 386 | |
| 387 switch (saturation_variant) { | |
| 388 case SaturationTestVariant::kNone: | |
| 389 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, false, _)) | |
| 390 .Times(expected_num_block_to_process); | |
| 391 break; | |
| 392 case SaturationTestVariant::kOneNegative: { | |
| 393 testing::InSequence s; | |
| 394 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, true, _)) | |
| 395 .Times(num_full_blocks_per_frame); | |
| 396 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, false, _)) | |
| 397 .Times(expected_num_block_to_process - num_full_blocks_per_frame); | |
| 398 } break; | |
| 399 case SaturationTestVariant::kOnePositive: { | |
| 400 testing::InSequence s; | |
| 401 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, true, _)) | |
| 402 .Times(num_full_blocks_per_frame); | |
| 403 EXPECT_CALL(*block_processor_mock, ProcessCapture(_, false, _)) | |
| 404 .Times(expected_num_block_to_process - num_full_blocks_per_frame); | |
| 405 } break; | |
| 406 } | |
| 407 | |
| 408 EchoCanceller3 aec3(sample_rate_hz_, false, | |
| 409 std::move(block_processor_mock)); | |
| 410 | |
| 411 for (size_t frame_index = 0; frame_index < kNumFramesToProcess; | |
| 412 ++frame_index) { | |
| 413 for (int k = 0; k < fullband_frame_length_; ++k) { | |
| 414 capture_buffer_.channels_f()[0][k] = 0.f; | |
| 415 } | |
| 416 switch (saturation_variant) { | |
| 417 case SaturationTestVariant::kNone: | |
| 418 break; | |
| 419 case SaturationTestVariant::kOneNegative: | |
| 420 if (frame_index == 0) { | |
| 421 capture_buffer_.channels_f()[0][10] = -32768.f; | |
| 422 } | |
| 423 break; | |
| 424 case SaturationTestVariant::kOnePositive: | |
| 425 if (frame_index == 0) { | |
| 426 capture_buffer_.channels_f()[0][10] = 32767.f; | |
| 427 } | |
| 428 break; | |
| 429 } | |
| 430 | |
| 431 aec3.AnalyzeCapture(&capture_buffer_); | |
| 432 OptionalBandSplit(); | |
| 433 | |
| 434 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 435 &capture_buffer_.split_bands_f(0)[0], 0); | |
| 436 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 437 &render_buffer_.split_bands_f(0)[0], 0); | |
| 438 | |
| 439 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 440 aec3.ProcessCapture(&capture_buffer_, false); | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 // This test verifies that the swapqueue is able to handle jitter in the | |
| 445 // capture and render API calls. | |
| 446 void RunRenderSwapQueueVerificationTest() { | |
| 447 EchoCanceller3 aec3( | |
| 448 sample_rate_hz_, false, | |
| 449 std::unique_ptr<BlockProcessor>( | |
| 450 new RenderTransportVerificationProcessor(num_bands_))); | |
| 451 | |
| 452 constexpr size_t kSwapQueueLength = 30; | |
| 453 for (size_t frame_index = 0; frame_index < kSwapQueueLength; | |
| 454 ++frame_index) { | |
| 455 if (sample_rate_hz_ > 16000) { | |
| 456 render_buffer_.SplitIntoFrequencyBands(); | |
| 457 } | |
| 458 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 459 &render_buffer_.split_bands_f(0)[0], 0); | |
| 460 | |
| 461 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 462 } | |
| 463 | |
| 464 for (size_t frame_index = 0; frame_index < kSwapQueueLength; | |
| 465 ++frame_index) { | |
| 466 aec3.AnalyzeCapture(&capture_buffer_); | |
| 467 if (sample_rate_hz_ > 16000) { | |
| 468 capture_buffer_.SplitIntoFrequencyBands(); | |
| 469 } | |
| 470 | |
| 471 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 472 &capture_buffer_.split_bands_f(0)[0], 0); | |
| 473 | |
| 474 aec3.ProcessCapture(&capture_buffer_, false); | |
| 475 EXPECT_TRUE(VerifyOutputFrameBitexactness( | |
| 476 frame_length_, num_bands_, frame_index, | |
| 477 &capture_buffer_.split_bands_f(0)[0], -64)); | |
| 478 } | |
| 479 } | |
| 480 | |
| 481 // This test verifies that a buffer overrun in the render swapqueue is | |
| 482 // properly reported. | |
| 483 void RunRenderPipelineSwapQueueOverrunReturnValueTest() { | |
| 484 EchoCanceller3 aec3(sample_rate_hz_, false); | |
| 485 | |
| 486 constexpr size_t kSwapQueueLength = 30; | |
| 487 for (size_t k = 0; k < 2; ++k) { | |
| 488 for (size_t frame_index = 0; frame_index < kSwapQueueLength; | |
| 489 ++frame_index) { | |
| 490 if (sample_rate_hz_ > 16000) { | |
| 491 render_buffer_.SplitIntoFrequencyBands(); | |
| 492 } | |
| 493 PopulateInputFrame(frame_length_, num_bands_, frame_index, | |
| 494 &render_buffer_.split_bands_f(0)[0], 0); | |
| 495 | |
| 496 if (k == 0) { | |
| 497 EXPECT_TRUE(aec3.AnalyzeRender(&render_buffer_)); | |
| 498 } else { | |
| 499 EXPECT_FALSE(aec3.AnalyzeRender(&render_buffer_)); | |
| 500 } | |
| 501 } | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) | |
| 506 // Verifies the that the check for the number of bands in the AnalyzeRender | |
| 507 // input is correct by adjusting the sample rates of EchoCanceller3 and the | |
| 508 // input AudioBuffer to have a different number of bands. | |
| 509 void RunAnalyzeRenderNumBandsCheckVerification() { | |
| 510 // Set aec3_sample_rate_hz to be different from sample_rate_hz_ in such a | |
| 511 // way that the number of bands for the rates are different. | |
| 512 const int aec3_sample_rate_hz = sample_rate_hz_ == 48000 ? 32000 : 48000; | |
| 513 EchoCanceller3 aec3(aec3_sample_rate_hz, false); | |
| 514 PopulateInputFrame(frame_length_, num_bands_, 0, | |
| 515 &render_buffer_.split_bands_f(0)[0], 0); | |
| 516 | |
| 517 EXPECT_DEATH(aec3.AnalyzeRender(&render_buffer_), ""); | |
| 518 } | |
| 519 | |
| 520 // Verifies the that the check for the number of bands in the ProcessCapture | |
| 521 // input is correct by adjusting the sample rates of EchoCanceller3 and the | |
| 522 // input AudioBuffer to have a different number of bands. | |
| 523 void RunProcessCaptureNumBandsCheckVerification() { | |
| 524 // Set aec3_sample_rate_hz to be different from sample_rate_hz_ in such a | |
| 525 // way that the number of bands for the rates are different. | |
| 526 const int aec3_sample_rate_hz = sample_rate_hz_ == 48000 ? 32000 : 48000; | |
| 527 EchoCanceller3 aec3(aec3_sample_rate_hz, false); | |
| 528 PopulateInputFrame(frame_length_, num_bands_, 0, | |
| 529 &capture_buffer_.split_bands_f(0)[0], 100); | |
| 530 EXPECT_DEATH(aec3.ProcessCapture(&capture_buffer_, false), ""); | |
| 531 } | |
| 532 | |
| 533 // Verifies the that the check for the frame length in the AnalyzeRender input | |
| 534 // is correct by adjusting the sample rates of EchoCanceller3 and the input | |
| 535 // AudioBuffer to have a different frame lengths. | |
| 536 void RunAnalyzeRenderFrameLengthCheckVerification() { | |
| 537 // Set aec3_sample_rate_hz to be different from sample_rate_hz_ in such a | |
| 538 // way that the band frame lengths are different. | |
| 539 const int aec3_sample_rate_hz = sample_rate_hz_ == 8000 ? 16000 : 8000; | |
| 540 EchoCanceller3 aec3(aec3_sample_rate_hz, false); | |
| 541 | |
| 542 OptionalBandSplit(); | |
| 543 PopulateInputFrame(frame_length_, num_bands_, 0, | |
| 544 &render_buffer_.split_bands_f(0)[0], 0); | |
| 545 | |
| 546 EXPECT_DEATH(aec3.AnalyzeRender(&render_buffer_), ""); | |
| 547 } | |
| 548 | |
| 549 // Verifies the that the check for the frame length in the AnalyzeRender input | |
| 550 // is correct by adjusting the sample rates of EchoCanceller3 and the input | |
| 551 // AudioBuffer to have a different frame lengths. | |
| 552 void RunProcessCaptureFrameLengthCheckVerification() { | |
| 553 // Set aec3_sample_rate_hz to be different from sample_rate_hz_ in such a | |
| 554 // way that the band frame lengths are different. | |
| 555 const int aec3_sample_rate_hz = sample_rate_hz_ == 8000 ? 16000 : 8000; | |
| 556 EchoCanceller3 aec3(aec3_sample_rate_hz, false); | |
| 557 | |
| 558 OptionalBandSplit(); | |
| 559 PopulateInputFrame(frame_length_, num_bands_, 0, | |
| 560 &capture_buffer_.split_bands_f(0)[0], 100); | |
| 561 | |
| 562 EXPECT_DEATH(aec3.ProcessCapture(&capture_buffer_, false), ""); | |
| 563 } | |
| 564 | |
| 565 #endif | |
| 566 | |
| 567 private: | |
| 568 void OptionalBandSplit() { | |
| 569 if (sample_rate_hz_ > 16000) { | |
| 570 capture_buffer_.SplitIntoFrequencyBands(); | |
| 571 render_buffer_.SplitIntoFrequencyBands(); | |
| 572 } | |
| 573 } | |
| 574 | |
| 575 static constexpr size_t kNumFramesToProcess = 20; | |
| 576 const int sample_rate_hz_; | |
| 577 const size_t num_bands_; | |
| 578 const size_t frame_length_; | |
| 579 const int fullband_frame_length_; | |
| 580 AudioBuffer capture_buffer_; | |
| 581 AudioBuffer render_buffer_; | |
| 582 | |
| 583 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoCanceller3Tester); | |
| 584 }; | |
| 585 | |
| 586 std::string ProduceDebugText(int sample_rate_hz) { | |
| 587 std::ostringstream ss; | |
| 588 ss << "Sample rate: " << sample_rate_hz; | |
| 589 return ss.str(); | |
| 590 } | |
| 591 | |
| 592 std::string ProduceDebugText(int sample_rate_hz, int variant) { | |
| 593 std::ostringstream ss; | |
| 594 ss << "Sample rate: " << sample_rate_hz << ", variant: " << variant; | |
| 595 return ss.str(); | |
| 596 } | |
| 597 | |
| 598 } // namespace | |
| 599 | |
| 600 TEST(EchoCanceller3Buffering, CaptureBitexactness) { | |
| 601 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 602 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 603 EchoCanceller3Tester(rate).RunCaptureTransportVerificationTest(); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 TEST(EchoCanceller3Buffering, RenderBitexactness) { | |
| 608 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 609 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 610 EchoCanceller3Tester(rate).RunRenderTransportVerificationTest(); | |
| 611 } | |
| 612 } | |
| 613 | |
| 614 TEST(EchoCanceller3Buffering, RenderSwapQueue) { | |
| 615 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 616 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 617 EchoCanceller3Tester(rate).RunRenderSwapQueueVerificationTest(); | |
| 618 } | |
| 619 } | |
| 620 | |
| 621 TEST(EchoCanceller3Buffering, RenderSwapQueueOverrunReturnValue) { | |
| 622 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 623 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 624 EchoCanceller3Tester(rate) | |
| 625 .RunRenderPipelineSwapQueueOverrunReturnValueTest(); | |
| 626 } | |
| 627 } | |
| 628 | |
| 629 TEST(EchoCanceller3Messaging, CaptureSaturation) { | |
| 630 auto variants = {EchoCanceller3Tester::SaturationTestVariant::kNone, | |
| 631 EchoCanceller3Tester::SaturationTestVariant::kOneNegative, | |
| 632 EchoCanceller3Tester::SaturationTestVariant::kOnePositive}; | |
| 633 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 634 for (auto variant : variants) { | |
| 635 SCOPED_TRACE(ProduceDebugText(rate, static_cast<int>(variant))); | |
| 636 EchoCanceller3Tester(rate).RunCaptureSaturationVerificationTest(variant); | |
| 637 } | |
| 638 } | |
| 639 } | |
| 640 | |
| 641 TEST(EchoCanceller3Messaging, EchoPathChange) { | |
| 642 auto variants = { | |
| 643 EchoCanceller3Tester::EchoPathChangeTestVariant::kNone, | |
| 644 EchoCanceller3Tester::EchoPathChangeTestVariant::kOneSticky, | |
| 645 EchoCanceller3Tester::EchoPathChangeTestVariant::kOneNonSticky}; | |
| 646 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 647 for (auto variant : variants) { | |
| 648 SCOPED_TRACE(ProduceDebugText(rate, static_cast<int>(variant))); | |
| 649 EchoCanceller3Tester(rate).RunEchoPathChangeVerificationTest(variant); | |
| 650 } | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 TEST(EchoCanceller3Messaging, EchoLeakage) { | |
| 655 auto variants = { | |
| 656 EchoCanceller3Tester::EchoLeakageTestVariant::kNone, | |
| 657 EchoCanceller3Tester::EchoLeakageTestVariant::kFalseSticky, | |
| 658 EchoCanceller3Tester::EchoLeakageTestVariant::kTrueSticky, | |
| 659 EchoCanceller3Tester::EchoLeakageTestVariant::kTrueNonSticky}; | |
| 660 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 661 for (auto variant : variants) { | |
| 662 SCOPED_TRACE(ProduceDebugText(rate, static_cast<int>(variant))); | |
| 663 EchoCanceller3Tester(rate).RunEchoLeakageVerificationTest(variant); | |
| 664 } | |
| 665 } | |
| 666 } | |
| 667 | |
| 668 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) | |
| 669 TEST(EchoCanceller3InputCheck, WrongRenderNumBandsCheckVerification) { | |
| 670 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 671 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 672 EchoCanceller3Tester(rate).RunAnalyzeRenderNumBandsCheckVerification(); | |
| 673 } | |
| 674 } | |
| 675 | |
| 676 TEST(EchoCanceller3InputCheck, WrongCaptureNumBandsCheckVerification) { | |
| 677 for (auto rate : {8000, 16000, 32000, 48000}) { | |
| 678 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 679 EchoCanceller3Tester(rate).RunProcessCaptureNumBandsCheckVerification(); | |
| 680 } | |
| 681 } | |
| 682 | |
| 683 TEST(EchoCanceller3InputCheck, WrongRenderFrameLengthCheckVerification) { | |
| 684 for (auto rate : {8000, 16000}) { | |
| 685 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 686 EchoCanceller3Tester(rate).RunAnalyzeRenderFrameLengthCheckVerification(); | |
| 687 } | |
| 688 } | |
| 689 | |
| 690 TEST(EchoCanceller3InputCheck, WrongCaptureFrameLengthCheckVerification) { | |
| 691 for (auto rate : {8000, 16000}) { | |
| 692 SCOPED_TRACE(ProduceDebugText(rate)); | |
| 693 EchoCanceller3Tester(rate).RunProcessCaptureFrameLengthCheckVerification(); | |
| 694 } | |
| 695 } | |
| 696 | |
| 697 // Verifiers that the verification for null input to the render analysis api | |
| 698 // call works. | |
| 699 TEST(EchoCanceller3InputCheck, NullRenderAnalysisParameter) { | |
| 700 EXPECT_DEATH(EchoCanceller3(8000, false).AnalyzeRender(nullptr), ""); | |
| 701 } | |
| 702 | |
| 703 // Verifiers that the verification for null input to the capture analysis api | |
| 704 // call works. | |
| 705 TEST(EchoCanceller3InputCheck, NullCaptureAnalysisParameter) { | |
| 706 EXPECT_DEATH(EchoCanceller3(8000, false).AnalyzeCapture(nullptr), ""); | |
| 707 } | |
| 708 | |
| 709 // Verifiers that the verification for null input to the capture processing api | |
| 710 // call works. | |
| 711 TEST(EchoCanceller3InputCheck, NullCaptureProcessingParameter) { | |
| 712 EXPECT_DEATH(EchoCanceller3(8000, false).ProcessCapture(nullptr, false), ""); | |
| 713 } | |
| 714 | |
| 715 #endif | |
| 716 | |
| 717 } // namespace webrtc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2603293002:
Revert of Added first layer of the echo canceller 3 functionality (Closed)
