1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <inttypes.h> 18 #define LOG_TAG "CameraMultiStreamTest" 19 //#define LOG_NDEBUG 0 20 #include "CameraStreamFixture.h" 21 #include "TestExtensions.h" 22 23 #include <gtest/gtest.h> 24 #include <utils/Log.h> 25 #include <utils/StrongPointer.h> 26 #include <common/CameraDeviceBase.h> 27 #include <hardware/hardware.h> 28 #include <hardware/camera2.h> 29 #include <gui/SurfaceComposerClient.h> 30 #include <gui/Surface.h> 31 32 #define DEFAULT_FRAME_DURATION 33000000LL // 33ms 33 #define CAMERA_HEAP_COUNT 1 34 #define CAMERA_EXPOSURE_FORMAT CAMERA_STREAM_AUTO_CPU_FORMAT 35 #define CAMERA_DISPLAY_FORMAT HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED 36 #define CAMERA_MULTI_STREAM_DEBUGGING 0 37 #define CAMERA_FRAME_TIMEOUT 1000000000LL // nsecs (1 secs) 38 #define PREVIEW_RENDERING_TIME_INTERVAL 200000 // in unit of us, 200ms 39 // 1% tolerance margin for exposure sanity check against metadata 40 #define TOLERANCE_MARGIN_METADATA 0.01 41 // 5% tolerance margin for exposure sanity check against capture times 42 #define TOLERANCE_MARGIN_CAPTURE 0.05 43 /* constants for display */ 44 #define DISPLAY_BUFFER_HEIGHT 1024 45 #define DISPLAY_BUFFER_WIDTH 1024 46 #define DISPLAY_BUFFER_FORMAT PIXEL_FORMAT_RGB_888 47 48 // This test intends to test large preview size but less than 1080p. 49 #define PREVIEW_WIDTH_CAP 1920 50 #define PREVIEW_HEIGHT_CAP 1080 51 // This test intends to test small metering burst size that is less than 640x480 52 #define METERING_WIDTH_CAP 640 53 #define METERING_HEIGHT_CAP 480 54 55 #define EXP_WAIT_MULTIPLIER 2 56 57 namespace android { 58 namespace camera2 { 59 namespace tests { 60 61 static const CameraStreamParams DEFAULT_STREAM_PARAMETERS = { 62 /*mFormat*/ CAMERA_EXPOSURE_FORMAT, 63 /*mHeapCount*/ CAMERA_HEAP_COUNT 64 }; 65 66 static const CameraStreamParams DISPLAY_STREAM_PARAMETERS = { 67 /*mFormat*/ CAMERA_DISPLAY_FORMAT, 68 /*mHeapCount*/ CAMERA_HEAP_COUNT 69 }; 70 71 class CameraMultiStreamTest 72 : public ::testing::Test, 73 public CameraStreamFixture { 74 75 public: 76 CameraMultiStreamTest() : CameraStreamFixture(DEFAULT_STREAM_PARAMETERS) { 77 TEST_EXTENSION_FORKING_CONSTRUCTOR; 78 79 if (HasFatalFailure()) { 80 return; 81 } 82 /** 83 * Don't create default stream, each test is in charge of creating 84 * its own streams. 85 */ 86 } 87 88 ~CameraMultiStreamTest() { 89 TEST_EXTENSION_FORKING_DESTRUCTOR; 90 } 91 92 sp<SurfaceComposerClient> mComposerClient; 93 sp<SurfaceControl> mSurfaceControl; 94 95 void CreateOnScreenSurface(sp<ANativeWindow>& surface) { 96 mComposerClient = new SurfaceComposerClient; 97 ASSERT_EQ(NO_ERROR, mComposerClient->initCheck()); 98 99 mSurfaceControl = mComposerClient->createSurface( 100 String8("CameraMultiStreamTest StreamingImage Surface"), 101 DISPLAY_BUFFER_HEIGHT, DISPLAY_BUFFER_WIDTH, 102 DISPLAY_BUFFER_FORMAT, 0); 103 104 ASSERT_NE((void*)NULL, mSurfaceControl.get()); 105 ASSERT_TRUE(mSurfaceControl->isValid()); 106 107 SurfaceComposerClient::openGlobalTransaction(); 108 ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF)); 109 ASSERT_EQ(NO_ERROR, mSurfaceControl->show()); 110 SurfaceComposerClient::closeGlobalTransaction(); 111 112 surface = mSurfaceControl->getSurface(); 113 114 ASSERT_NE((void*)NULL, surface.get()); 115 } 116 117 struct Size { 118 int32_t width; 119 int32_t height; 120 }; 121 122 // Select minimal size by number of pixels. 123 void GetMinSize(const int32_t* data, size_t count, 124 Size* min, int32_t* idx) { 125 ASSERT_NE((int32_t*)NULL, data); 126 int32_t minIdx = 0; 127 int32_t minSize = INT_MAX, tempSize; 128 for (size_t i = 0; i < count; i+=2) { 129 tempSize = data[i] * data[i+1]; 130 if (minSize > tempSize) { 131 minSize = tempSize; 132 minIdx = i; 133 } 134 } 135 min->width = data[minIdx]; 136 min->height = data[minIdx + 1]; 137 *idx = minIdx; 138 } 139 140 // Select maximal size by number of pixels. 141 void GetMaxSize(const int32_t* data, size_t count, 142 Size* max, int32_t* idx) { 143 ASSERT_NE((int32_t*)NULL, data); 144 int32_t maxIdx = 0; 145 int32_t maxSize = INT_MIN, tempSize; 146 for (size_t i = 0; i < count; i+=2) { 147 tempSize = data[i] * data[i+1]; 148 if (maxSize < tempSize) { 149 maxSize = tempSize; 150 maxIdx = i; 151 } 152 } 153 max->width = data[maxIdx]; 154 max->height = data[maxIdx + 1]; 155 *idx = maxIdx; 156 } 157 158 // Cap size by number of pixels. 159 Size CapSize(Size cap, Size input) { 160 if (input.width * input.height > cap.width * cap.height) { 161 return cap; 162 } 163 return input; 164 } 165 166 struct CameraStream : public RefBase { 167 168 public: 169 /** 170 * Only initialize the variables here, do the ASSERT check in 171 * SetUp function. To make this stream useful, the SetUp must 172 * be called before using it. 173 */ 174 CameraStream( 175 int width, 176 int height, 177 const sp<CameraDeviceBase>& device, 178 CameraStreamParams param, sp<ANativeWindow> surface, 179 bool useCpuConsumer) 180 : mDevice(device), 181 mWidth(width), 182 mHeight(height) { 183 mFormat = param.mFormat; 184 if (useCpuConsumer) { 185 sp<IGraphicBufferProducer> producer; 186 sp<IGraphicBufferConsumer> consumer; 187 BufferQueue::createBufferQueue(&producer, &consumer); 188 mCpuConsumer = new CpuConsumer(consumer, param.mHeapCount); 189 mCpuConsumer->setName(String8( 190 "CameraMultiStreamTest::mCpuConsumer")); 191 mNativeWindow = new Surface(producer); 192 } else { 193 // Render the stream to screen. 194 mCpuConsumer = NULL; 195 mNativeWindow = surface; 196 } 197 198 mFrameListener = new FrameListener(); 199 if (mCpuConsumer != 0) { 200 mCpuConsumer->setFrameAvailableListener(mFrameListener); 201 } 202 } 203 204 /** 205 * Finally create camera stream, and do the ASSERT check, since we 206 * can not do it in ctor. 207 */ 208 void SetUp() { 209 ASSERT_EQ(OK, 210 mDevice->createStream(mNativeWindow, 211 mWidth, mHeight, mFormat, 212 &mStreamId)); 213 214 ASSERT_NE(-1, mStreamId); 215 } 216 217 int GetStreamId() { return mStreamId; } 218 sp<CpuConsumer> GetConsumer() { return mCpuConsumer; } 219 sp<FrameListener> GetFrameListener() { return mFrameListener; } 220 221 protected: 222 ~CameraStream() { 223 if (mDevice.get()) { 224 mDevice->waitUntilDrained(); 225 mDevice->deleteStream(mStreamId); 226 } 227 // Clear producer before consumer. 228 mNativeWindow.clear(); 229 mCpuConsumer.clear(); 230 } 231 232 private: 233 sp<FrameListener> mFrameListener; 234 sp<CpuConsumer> mCpuConsumer; 235 sp<ANativeWindow> mNativeWindow; 236 sp<CameraDeviceBase> mDevice; 237 int mStreamId; 238 int mWidth; 239 int mHeight; 240 int mFormat; 241 }; 242 243 int64_t GetExposureValue(const CameraMetadata& metaData) { 244 camera_metadata_ro_entry_t entry = 245 metaData.find(ANDROID_SENSOR_EXPOSURE_TIME); 246 EXPECT_EQ(1u, entry.count); 247 if (entry.count == 1) { 248 return entry.data.i64[0]; 249 } 250 return -1; 251 } 252 253 int32_t GetSensitivity(const CameraMetadata& metaData) { 254 camera_metadata_ro_entry_t entry = 255 metaData.find(ANDROID_SENSOR_SENSITIVITY); 256 EXPECT_EQ(1u, entry.count); 257 if (entry.count == 1) { 258 return entry.data.i32[0]; 259 } 260 return -1; 261 } 262 263 int64_t GetFrameDuration(const CameraMetadata& metaData) { 264 camera_metadata_ro_entry_t entry = 265 metaData.find(ANDROID_SENSOR_FRAME_DURATION); 266 EXPECT_EQ(1u, entry.count); 267 if (entry.count == 1) { 268 return entry.data.i64[0]; 269 } 270 return -1; 271 } 272 273 void CreateRequests(CameraMetadata& previewRequest, 274 CameraMetadata& meteringRequest, 275 CameraMetadata& captureRequest, 276 int previewStreamId, 277 int meteringStreamId, 278 int captureStreamId) { 279 int32_t requestId = 0; 280 Vector<int32_t> previewStreamIds; 281 previewStreamIds.push(previewStreamId); 282 ASSERT_EQ(OK, mDevice->createDefaultRequest(CAMERA2_TEMPLATE_PREVIEW, 283 &previewRequest)); 284 ASSERT_EQ(OK, previewRequest.update(ANDROID_REQUEST_OUTPUT_STREAMS, 285 previewStreamIds)); 286 ASSERT_EQ(OK, previewRequest.update(ANDROID_REQUEST_ID, 287 &requestId, 1)); 288 289 // Create metering request, manual settings 290 // Manual control: Disable 3A, noise reduction, edge sharping 291 uint8_t cmOff = static_cast<uint8_t>(ANDROID_CONTROL_MODE_OFF); 292 uint8_t nrOff = static_cast<uint8_t>(ANDROID_NOISE_REDUCTION_MODE_OFF); 293 uint8_t sharpOff = static_cast<uint8_t>(ANDROID_EDGE_MODE_OFF); 294 Vector<int32_t> meteringStreamIds; 295 meteringStreamIds.push(meteringStreamId); 296 ASSERT_EQ(OK, mDevice->createDefaultRequest( 297 CAMERA2_TEMPLATE_PREVIEW, 298 &meteringRequest)); 299 ASSERT_EQ(OK, meteringRequest.update( 300 ANDROID_REQUEST_OUTPUT_STREAMS, 301 meteringStreamIds)); 302 ASSERT_EQ(OK, meteringRequest.update( 303 ANDROID_CONTROL_MODE, 304 &cmOff, 1)); 305 ASSERT_EQ(OK, meteringRequest.update( 306 ANDROID_NOISE_REDUCTION_MODE, 307 &nrOff, 1)); 308 ASSERT_EQ(OK, meteringRequest.update( 309 ANDROID_EDGE_MODE, 310 &sharpOff, 1)); 311 312 // Create capture request, manual settings 313 Vector<int32_t> captureStreamIds; 314 captureStreamIds.push(captureStreamId); 315 ASSERT_EQ(OK, mDevice->createDefaultRequest( 316 CAMERA2_TEMPLATE_PREVIEW, 317 &captureRequest)); 318 ASSERT_EQ(OK, captureRequest.update( 319 ANDROID_REQUEST_OUTPUT_STREAMS, 320 captureStreamIds)); 321 ASSERT_EQ(OK, captureRequest.update( 322 ANDROID_CONTROL_MODE, 323 &cmOff, 1)); 324 ASSERT_EQ(OK, captureRequest.update( 325 ANDROID_NOISE_REDUCTION_MODE, 326 &nrOff, 1)); 327 ASSERT_EQ(OK, captureRequest.update( 328 ANDROID_EDGE_MODE, 329 &sharpOff, 1)); 330 } 331 332 sp<CameraStream> CreateStream( 333 int width, 334 int height, 335 const sp<CameraDeviceBase>& device, 336 CameraStreamParams param = DEFAULT_STREAM_PARAMETERS, 337 sp<ANativeWindow> surface = NULL, 338 bool useCpuConsumer = true) { 339 param.mFormat = MapAutoFormat(param.mFormat); 340 return new CameraStream(width, height, device, 341 param, surface, useCpuConsumer); 342 } 343 344 void CaptureBurst(CameraMetadata& request, size_t requestCount, 345 const Vector<int64_t>& exposures, 346 const Vector<int32_t>& sensitivities, 347 const sp<CameraStream>& stream, 348 int64_t minFrameDuration, 349 int32_t* requestIdStart) { 350 ASSERT_EQ(OK, request.update(ANDROID_SENSOR_FRAME_DURATION, 351 &minFrameDuration, 1)); 352 // Submit a series of requests with the specified exposure/gain values. 353 int32_t targetRequestId = *requestIdStart; 354 for (size_t i = 0; i < requestCount; i++) { 355 ASSERT_EQ(OK, request.update(ANDROID_REQUEST_ID, requestIdStart, 1)); 356 ASSERT_EQ(OK, request.update(ANDROID_SENSOR_EXPOSURE_TIME, &exposures[i], 1)); 357 ASSERT_EQ(OK, request.update(ANDROID_SENSOR_SENSITIVITY, &sensitivities[i], 1)); 358 ASSERT_EQ(OK, mDevice->capture(request)); 359 ALOGV("Submitting request with: id %d with exposure %"PRId64", sensitivity %d", 360 *requestIdStart, exposures[i], sensitivities[i]); 361 if (CAMERA_MULTI_STREAM_DEBUGGING) { 362 request.dump(STDOUT_FILENO); 363 } 364 (*requestIdStart)++; 365 } 366 // Get capture burst results. 367 Vector<nsecs_t> captureBurstTimes; 368 sp<CpuConsumer> consumer = stream->GetConsumer(); 369 sp<FrameListener> listener = stream->GetFrameListener(); 370 371 // Set wait limit based on expected frame duration. 372 int64_t waitLimit = CAMERA_FRAME_TIMEOUT; 373 for (size_t i = 0; i < requestCount; i++) { 374 ALOGV("Reading request result %zu", i); 375 376 /** 377 * Raise the timeout to be at least twice as long as the exposure 378 * time. to avoid a false positive when the timeout is too short. 379 */ 380 if ((exposures[i] * EXP_WAIT_MULTIPLIER) > waitLimit) { 381 waitLimit = exposures[i] * EXP_WAIT_MULTIPLIER; 382 } 383 384 CaptureResult result; 385 CameraMetadata frameMetadata; 386 int32_t resultRequestId; 387 do { 388 ASSERT_EQ(OK, mDevice->waitForNextFrame(waitLimit)); 389 ASSERT_EQ(OK, mDevice->getNextResult(&result)); 390 frameMetadata = result.mMetadata; 391 392 camera_metadata_entry_t resultEntry = frameMetadata.find(ANDROID_REQUEST_ID); 393 ASSERT_EQ(1u, resultEntry.count); 394 resultRequestId = resultEntry.data.i32[0]; 395 if (CAMERA_MULTI_STREAM_DEBUGGING) { 396 std::cout << "capture result req id: " << resultRequestId << std::endl; 397 } 398 } while (resultRequestId != targetRequestId); 399 targetRequestId++; 400 ALOGV("Got capture burst result for request %zu", i); 401 402 // Validate capture result 403 if (CAMERA_MULTI_STREAM_DEBUGGING) { 404 frameMetadata.dump(STDOUT_FILENO); 405 } 406 407 // TODO: Need revisit it to figure out an accurate margin. 408 int64_t resultExposure = GetExposureValue(frameMetadata); 409 int32_t resultSensitivity = GetSensitivity(frameMetadata); 410 EXPECT_LE(sensitivities[i] * (1.0 - TOLERANCE_MARGIN_METADATA), resultSensitivity); 411 EXPECT_GE(sensitivities[i] * (1.0 + TOLERANCE_MARGIN_METADATA), resultSensitivity); 412 EXPECT_LE(exposures[i] * (1.0 - TOLERANCE_MARGIN_METADATA), resultExposure); 413 EXPECT_GE(exposures[i] * (1.0 + TOLERANCE_MARGIN_METADATA), resultExposure); 414 415 ASSERT_EQ(OK, listener->waitForFrame(waitLimit)); 416 captureBurstTimes.push_back(systemTime()); 417 CpuConsumer::LockedBuffer imgBuffer; 418 ASSERT_EQ(OK, consumer->lockNextBuffer(&imgBuffer)); 419 ALOGV("Got capture buffer for request %zu", i); 420 421 /** 422 * TODO: Validate capture buffer. Current brightness calculation 423 * is too slow, it also doesn't account for saturation effects, 424 * which is quite common since we are going over a significant 425 * range of EVs. we need figure out some reliable way to validate 426 * buffer data. 427 */ 428 429 ASSERT_EQ(OK, consumer->unlockBuffer(imgBuffer)); 430 if (i > 0) { 431 nsecs_t timeDelta = 432 captureBurstTimes[i] - captureBurstTimes[i-1]; 433 EXPECT_GE(timeDelta * ( 1 + TOLERANCE_MARGIN_CAPTURE), exposures[i]); 434 } 435 } 436 } 437 438 /** 439 * Intentionally shadow default CreateStream function from base class, 440 * because we don't want any test in this class to use the default 441 * stream creation function. 442 */ 443 void CreateStream() { 444 } 445 }; 446 447 /** 448 * This test adds multiple stream use case test, basically, test 3 449 * streams: 450 * 451 * 1. Preview stream, with large size that is no bigger than 1080p 452 * we render this stream to display and vary the exposure time for 453 * for certain amount of time for visualization purpose. 454 * 455 * 2. Metering stream, with small size that is no bigger than VGA size. 456 * a burst is issued for different exposure times and analog gains 457 * (or analog gain implemented sensitivities) then check if the capture 458 * result metadata matches the request. 459 * 460 * 3. Capture stream, this is basically similar as meterting stream, but 461 * has large size, which is the largest supported JPEG capture size. 462 * 463 * This multiple stream test is to test if HAL supports: 464 * 465 * 1. Multiple streams like above, HAL should support at least 3 streams 466 * concurrently: one preview stream, 2 other YUV stream. 467 * 468 * 2. Manual control(gain/exposure) of mutiple burst capture. 469 */ 470 // Disable this test for now, as we need cleanup the usage of the deprecated tag quite a bit. 471 TEST_F(CameraMultiStreamTest, DISABLED_MultiBurst) { 472 473 TEST_EXTENSION_FORKING_INIT; 474 475 camera_metadata_ro_entry availableProcessedSizes = 476 GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES); 477 ASSERT_EQ(0u, availableProcessedSizes.count % 2); 478 ASSERT_GE(availableProcessedSizes.count, 2u); 479 camera_metadata_ro_entry availableProcessedMinFrameDurations = 480 GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS); 481 EXPECT_EQ(availableProcessedSizes.count, 482 availableProcessedMinFrameDurations.count * 2); 483 484 camera_metadata_ro_entry availableJpegSizes = 485 GetStaticEntry(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 486 ASSERT_EQ(0u, availableJpegSizes.count % 2); 487 ASSERT_GE(availableJpegSizes.count, 2u); 488 489 camera_metadata_ro_entry hardwareLevel = 490 GetStaticEntry(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL); 491 ASSERT_EQ(1u, hardwareLevel.count); 492 uint8_t level = hardwareLevel.data.u8[0]; 493 ASSERT_GE(level, ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED); 494 ASSERT_LE(level, ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_FULL); 495 if (level == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED) { 496 const ::testing::TestInfo* const test_info = 497 ::testing::UnitTest::GetInstance()->current_test_info(); 498 std::cerr << "Skipping test " 499 << test_info->test_case_name() << "." 500 << test_info->name() 501 << " because HAL hardware supported level is limited " 502 << std::endl; 503 return; 504 } 505 506 // Find the right sizes for preview, metering, and capture streams 507 // assumes at least 2 entries in availableProcessedSizes. 508 int64_t minFrameDuration = DEFAULT_FRAME_DURATION; 509 Size processedMinSize, processedMaxSize, jpegMaxSize; 510 const int32_t* data = availableProcessedSizes.data.i32; 511 size_t count = availableProcessedSizes.count; 512 513 int32_t minIdx, maxIdx; 514 GetMinSize(data, count, &processedMinSize, &minIdx); 515 GetMaxSize(data, count, &processedMaxSize, &maxIdx); 516 ALOGV("Found processed max size: %dx%d, min size = %dx%d", 517 processedMaxSize.width, processedMaxSize.height, 518 processedMinSize.width, processedMinSize.height); 519 520 if (availableProcessedSizes.count == 521 availableProcessedMinFrameDurations.count * 2) { 522 minFrameDuration = 523 availableProcessedMinFrameDurations.data.i64[maxIdx / 2]; 524 } 525 526 EXPECT_GT(minFrameDuration, 0); 527 528 if (minFrameDuration <= 0) { 529 minFrameDuration = DEFAULT_FRAME_DURATION; 530 } 531 532 ALOGV("targeted minimal frame duration is: %"PRId64"ns", minFrameDuration); 533 534 data = &(availableJpegSizes.data.i32[0]); 535 count = availableJpegSizes.count; 536 GetMaxSize(data, count, &jpegMaxSize, &maxIdx); 537 ALOGV("Found Jpeg size max idx = %d", maxIdx); 538 539 // Max Jpeg size should be available in processed sizes. Use it for 540 // YUV capture anyway. 541 EXPECT_EQ(processedMaxSize.width, jpegMaxSize.width); 542 EXPECT_EQ(processedMaxSize.height, jpegMaxSize.height); 543 544 // Cap preview size. 545 Size previewLimit = { PREVIEW_WIDTH_CAP, PREVIEW_HEIGHT_CAP }; 546 // FIXME: need make sure the previewLimit is supported by HAL. 547 Size previewSize = CapSize(previewLimit, processedMaxSize); 548 // Cap Metering size. 549 Size meteringLimit = { METERING_WIDTH_CAP, METERING_HEIGHT_CAP }; 550 // Cap metering size to VGA (VGA is mandatory by CDD) 551 Size meteringSize = CapSize(meteringLimit, processedMinSize); 552 // Capture stream should be the max size of jpeg sizes. 553 ALOGV("preview size: %dx%d, metering size: %dx%d, capture size: %dx%d", 554 previewSize.width, previewSize.height, 555 meteringSize.width, meteringSize.height, 556 jpegMaxSize.width, jpegMaxSize.height); 557 558 // Create streams 559 // Preview stream: small resolution, render on the screen. 560 sp<CameraStream> previewStream; 561 { 562 sp<ANativeWindow> surface; 563 ASSERT_NO_FATAL_FAILURE(CreateOnScreenSurface(/*out*/surface)); 564 previewStream = CreateStream( 565 previewSize.width, 566 previewSize.height, 567 mDevice, 568 DISPLAY_STREAM_PARAMETERS, 569 surface, 570 false); 571 ASSERT_NE((void*)NULL, previewStream.get()); 572 ASSERT_NO_FATAL_FAILURE(previewStream->SetUp()); 573 } 574 // Metering burst stream: small resolution yuv stream 575 sp<CameraStream> meteringStream = 576 CreateStream( 577 meteringSize.width, 578 meteringSize.height, 579 mDevice); 580 ASSERT_NE((void*)NULL, meteringStream.get()); 581 ASSERT_NO_FATAL_FAILURE(meteringStream->SetUp()); 582 // Capture burst stream: full resolution yuv stream 583 sp<CameraStream> captureStream = 584 CreateStream( 585 jpegMaxSize.width, 586 jpegMaxSize.height, 587 mDevice); 588 ASSERT_NE((void*)NULL, captureStream.get()); 589 ASSERT_NO_FATAL_FAILURE(captureStream->SetUp()); 590 591 // Create Preview request. 592 CameraMetadata previewRequest, meteringRequest, captureRequest; 593 ASSERT_NO_FATAL_FAILURE(CreateRequests(previewRequest, meteringRequest, 594 captureRequest, previewStream->GetStreamId(), 595 meteringStream->GetStreamId(), captureStream->GetStreamId())); 596 597 // Start preview 598 if (CAMERA_MULTI_STREAM_DEBUGGING) { 599 previewRequest.dump(STDOUT_FILENO); 600 } 601 602 // Generate exposure and sensitivity lists 603 camera_metadata_ro_entry exposureTimeRange = 604 GetStaticEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE); 605 ASSERT_EQ(exposureTimeRange.count, 2u); 606 int64_t minExp = exposureTimeRange.data.i64[0]; 607 int64_t maxExp = exposureTimeRange.data.i64[1]; 608 ASSERT_GT(maxExp, minExp); 609 610 camera_metadata_ro_entry sensivityRange = 611 GetStaticEntry(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE); 612 ASSERT_EQ(2u, sensivityRange.count); 613 int32_t minSensitivity = sensivityRange.data.i32[0]; 614 int32_t maxSensitivity = sensivityRange.data.i32[1]; 615 camera_metadata_ro_entry maxAnalogSenEntry = 616 GetStaticEntry(ANDROID_SENSOR_MAX_ANALOG_SENSITIVITY); 617 EXPECT_EQ(1u, maxAnalogSenEntry.count); 618 int32_t maxAnalogSensitivity = maxAnalogSenEntry.data.i32[0]; 619 EXPECT_LE(maxAnalogSensitivity, maxSensitivity); 620 // Only test the sensitivity implemented by analog gain. 621 if (maxAnalogSensitivity > maxSensitivity) { 622 // Fallback to maxSensitity 623 maxAnalogSensitivity = maxSensitivity; 624 } 625 626 // sensitivity list, only include the sensitivities that are implemented 627 // purely by analog gain if possible. 628 Vector<int32_t> sensitivities; 629 Vector<int64_t> exposures; 630 count = (maxAnalogSensitivity - minSensitivity + 99) / 100; 631 sensitivities.push_back(minSensitivity); 632 for (size_t i = 1; i < count; i++) { 633 sensitivities.push_back(minSensitivity + i * 100); 634 } 635 sensitivities.push_back(maxAnalogSensitivity); 636 ALOGV("Sensitivity Range: min=%d, max=%d", minSensitivity, 637 maxAnalogSensitivity); 638 int64_t exp = minExp; 639 while (exp < maxExp) { 640 exposures.push_back(exp); 641 exp *= 2; 642 } 643 // Sweep the exposure value for preview, just for visual inspection purpose. 644 uint8_t cmOff = static_cast<uint8_t>(ANDROID_CONTROL_MODE_OFF); 645 for (size_t i = 0; i < exposures.size(); i++) { 646 ASSERT_EQ(OK, previewRequest.update( 647 ANDROID_CONTROL_MODE, 648 &cmOff, 1)); 649 ASSERT_EQ(OK, previewRequest.update( 650 ANDROID_SENSOR_EXPOSURE_TIME, 651 &exposures[i], 1)); 652 ALOGV("Submitting preview request %zu with exposure %"PRId64, 653 i, exposures[i]); 654 655 ASSERT_EQ(OK, mDevice->setStreamingRequest(previewRequest)); 656 657 // Let preview run 200ms on screen for each exposure time. 658 usleep(PREVIEW_RENDERING_TIME_INTERVAL); 659 } 660 661 size_t requestCount = sensitivities.size(); 662 if (requestCount > exposures.size()) { 663 requestCount = exposures.size(); 664 } 665 666 // To maintain the request id uniqueness (preview request id is 0), make burst capture start 667 // request id 1 here. 668 int32_t requestIdStart = 1; 669 /** 670 * Submit metering request, set default frame duration to minimal possible 671 * value, we want the capture to run as fast as possible. HAL should adjust 672 * the frame duration to minimal necessary value to support the requested 673 * exposure value if exposure is larger than frame duration. 674 */ 675 CaptureBurst(meteringRequest, requestCount, exposures, sensitivities, 676 meteringStream, minFrameDuration, &requestIdStart); 677 678 /** 679 * Submit capture request, set default frame duration to minimal possible 680 * value, we want the capture to run as fast as possible. HAL should adjust 681 * the frame duration to minimal necessary value to support the requested 682 * exposure value if exposure is larger than frame duration. 683 */ 684 CaptureBurst(captureRequest, requestCount, exposures, sensitivities, 685 captureStream, minFrameDuration, &requestIdStart); 686 687 ASSERT_EQ(OK, mDevice->clearStreamingRequest()); 688 } 689 690 } 691 } 692 } 693