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<Surface>& 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<Surface> 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 mSurface = new Surface(producer); 192 } else { 193 // Render the stream to screen. 194 mCpuConsumer = NULL; 195 mSurface = 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(mSurface, 211 mWidth, mHeight, mFormat, HAL_DATASPACE_UNKNOWN, 212 CAMERA3_STREAM_ROTATION_0, &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 mSurface.clear(); 229 mCpuConsumer.clear(); 230 } 231 232 private: 233 sp<FrameListener> mFrameListener; 234 sp<CpuConsumer> mCpuConsumer; 235 sp<Surface> mSurface; 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<Surface> 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 const int32_t* implDefData; 476 size_t implDefCount; 477 const int32_t* jpegData; 478 size_t jpegCount; 479 if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) { 480 camera_metadata_ro_entry availableProcessedSizes = 481 GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES); 482 ASSERT_EQ(0u, availableProcessedSizes.count % 2); 483 ASSERT_GE(availableProcessedSizes.count, 2u); 484 camera_metadata_ro_entry availableProcessedMinFrameDurations = 485 GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS); 486 EXPECT_EQ(availableProcessedSizes.count, 487 availableProcessedMinFrameDurations.count * 2); 488 489 camera_metadata_ro_entry availableJpegSizes = 490 GetStaticEntry(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 491 ASSERT_EQ(0u, availableJpegSizes.count % 2); 492 ASSERT_GE(availableJpegSizes.count, 2u); 493 implDefData = availableProcessedSizes.data.i32; 494 implDefCount = availableProcessedSizes.count; 495 jpegData = availableJpegSizes.data.i32; 496 jpegCount = availableJpegSizes.count; 497 } else { 498 getResolutionList(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, &implDefData, &implDefCount); 499 ASSERT_NE(0u, implDefCount) 500 << "Missing implementation defined sizes"; 501 ASSERT_EQ(0u, implDefCount % 2); 502 ASSERT_GE(implDefCount, 2u); 503 504 getResolutionList(HAL_PIXEL_FORMAT_BLOB, &jpegData, &jpegCount); 505 ASSERT_EQ(0u, jpegCount % 2); 506 ASSERT_GE(jpegCount, 2u); 507 } 508 509 camera_metadata_ro_entry hardwareLevel = 510 GetStaticEntry(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL); 511 ASSERT_EQ(1u, hardwareLevel.count); 512 uint8_t level = hardwareLevel.data.u8[0]; 513 ASSERT_GE(level, ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED); 514 ASSERT_LE(level, ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_FULL); 515 if (level == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED) { 516 const ::testing::TestInfo* const test_info = 517 ::testing::UnitTest::GetInstance()->current_test_info(); 518 std::cerr << "Skipping test " 519 << test_info->test_case_name() << "." 520 << test_info->name() 521 << " because HAL hardware supported level is limited " 522 << std::endl; 523 return; 524 } 525 526 // Find the right sizes for preview, metering, and capture streams 527 int64_t minFrameDuration = DEFAULT_FRAME_DURATION; 528 Size processedMinSize = {0, 0}, processedMaxSize = {0, 0}; 529 Size jpegMaxSize = {0, 0}; 530 531 int32_t minIdx, maxIdx; 532 GetMinSize(implDefData, implDefCount, &processedMinSize, &minIdx); 533 GetMaxSize(implDefData, implDefCount, &processedMaxSize, &maxIdx); 534 ALOGV("Found processed max size: %dx%d, min size = %dx%d", 535 processedMaxSize.width, processedMaxSize.height, 536 processedMinSize.width, processedMinSize.height); 537 538 if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) { 539 camera_metadata_ro_entry availableProcessedMinFrameDurations = 540 GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS); 541 minFrameDuration = 542 availableProcessedMinFrameDurations.data.i64[maxIdx / 2]; 543 } else { 544 minFrameDuration = getMinFrameDurationFor( 545 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 546 processedMaxSize.width, processedMaxSize.height); 547 } 548 549 EXPECT_GT(minFrameDuration, 0); 550 551 if (minFrameDuration <= 0) { 552 minFrameDuration = DEFAULT_FRAME_DURATION; 553 } 554 555 ALOGV("targeted minimal frame duration is: %" PRId64 "ns", minFrameDuration); 556 557 GetMaxSize(jpegData, jpegCount, &jpegMaxSize, &maxIdx); 558 ALOGV("Found Jpeg size max idx = %d", maxIdx); 559 560 // Max Jpeg size should be available in processed sizes. Use it for 561 // YUV capture anyway. 562 EXPECT_EQ(processedMaxSize.width, jpegMaxSize.width); 563 EXPECT_EQ(processedMaxSize.height, jpegMaxSize.height); 564 565 // Cap preview size. 566 Size previewLimit = { PREVIEW_WIDTH_CAP, PREVIEW_HEIGHT_CAP }; 567 // FIXME: need make sure the previewLimit is supported by HAL. 568 Size previewSize = CapSize(previewLimit, processedMaxSize); 569 // Cap Metering size. 570 Size meteringLimit = { METERING_WIDTH_CAP, METERING_HEIGHT_CAP }; 571 // Cap metering size to VGA (VGA is mandatory by CDD) 572 Size meteringSize = CapSize(meteringLimit, processedMinSize); 573 // Capture stream should be the max size of jpeg sizes. 574 ALOGV("preview size: %dx%d, metering size: %dx%d, capture size: %dx%d", 575 previewSize.width, previewSize.height, 576 meteringSize.width, meteringSize.height, 577 jpegMaxSize.width, jpegMaxSize.height); 578 579 // Create streams 580 // Preview stream: small resolution, render on the screen. 581 sp<CameraStream> previewStream; 582 { 583 sp<Surface> surface; 584 ASSERT_NO_FATAL_FAILURE(CreateOnScreenSurface(/*out*/surface)); 585 previewStream = CreateStream( 586 previewSize.width, 587 previewSize.height, 588 mDevice, 589 DISPLAY_STREAM_PARAMETERS, 590 surface, 591 false); 592 ASSERT_NE((void*)NULL, previewStream.get()); 593 ASSERT_NO_FATAL_FAILURE(previewStream->SetUp()); 594 } 595 // Metering burst stream: small resolution yuv stream 596 sp<CameraStream> meteringStream = 597 CreateStream( 598 meteringSize.width, 599 meteringSize.height, 600 mDevice); 601 ASSERT_NE((void*)NULL, meteringStream.get()); 602 ASSERT_NO_FATAL_FAILURE(meteringStream->SetUp()); 603 // Capture burst stream: full resolution yuv stream 604 sp<CameraStream> captureStream = 605 CreateStream( 606 jpegMaxSize.width, 607 jpegMaxSize.height, 608 mDevice); 609 ASSERT_NE((void*)NULL, captureStream.get()); 610 ASSERT_NO_FATAL_FAILURE(captureStream->SetUp()); 611 612 // Create Preview request. 613 CameraMetadata previewRequest, meteringRequest, captureRequest; 614 ASSERT_NO_FATAL_FAILURE(CreateRequests(previewRequest, meteringRequest, 615 captureRequest, previewStream->GetStreamId(), 616 meteringStream->GetStreamId(), captureStream->GetStreamId())); 617 618 // Start preview 619 if (CAMERA_MULTI_STREAM_DEBUGGING) { 620 previewRequest.dump(STDOUT_FILENO); 621 } 622 623 // Generate exposure and sensitivity lists 624 camera_metadata_ro_entry exposureTimeRange = 625 GetStaticEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE); 626 ASSERT_EQ(exposureTimeRange.count, 2u); 627 int64_t minExp = exposureTimeRange.data.i64[0]; 628 int64_t maxExp = exposureTimeRange.data.i64[1]; 629 ASSERT_GT(maxExp, minExp); 630 631 camera_metadata_ro_entry sensivityRange = 632 GetStaticEntry(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE); 633 ASSERT_EQ(2u, sensivityRange.count); 634 int32_t minSensitivity = sensivityRange.data.i32[0]; 635 int32_t maxSensitivity = sensivityRange.data.i32[1]; 636 camera_metadata_ro_entry maxAnalogSenEntry = 637 GetStaticEntry(ANDROID_SENSOR_MAX_ANALOG_SENSITIVITY); 638 EXPECT_EQ(1u, maxAnalogSenEntry.count); 639 int32_t maxAnalogSensitivity = maxAnalogSenEntry.data.i32[0]; 640 EXPECT_LE(maxAnalogSensitivity, maxSensitivity); 641 // Only test the sensitivity implemented by analog gain. 642 if (maxAnalogSensitivity > maxSensitivity) { 643 // Fallback to maxSensitity 644 maxAnalogSensitivity = maxSensitivity; 645 } 646 647 // sensitivity list, only include the sensitivities that are implemented 648 // purely by analog gain if possible. 649 Vector<int32_t> sensitivities; 650 Vector<int64_t> exposures; 651 size_t count = (maxAnalogSensitivity - minSensitivity + 99) / 100; 652 sensitivities.push_back(minSensitivity); 653 for (size_t i = 1; i < count; i++) { 654 sensitivities.push_back(minSensitivity + i * 100); 655 } 656 sensitivities.push_back(maxAnalogSensitivity); 657 ALOGV("Sensitivity Range: min=%d, max=%d", minSensitivity, 658 maxAnalogSensitivity); 659 int64_t exp = minExp; 660 while (exp < maxExp) { 661 exposures.push_back(exp); 662 exp *= 2; 663 } 664 // Sweep the exposure value for preview, just for visual inspection purpose. 665 uint8_t cmOff = static_cast<uint8_t>(ANDROID_CONTROL_MODE_OFF); 666 for (size_t i = 0; i < exposures.size(); i++) { 667 ASSERT_EQ(OK, previewRequest.update( 668 ANDROID_CONTROL_MODE, 669 &cmOff, 1)); 670 ASSERT_EQ(OK, previewRequest.update( 671 ANDROID_SENSOR_EXPOSURE_TIME, 672 &exposures[i], 1)); 673 ALOGV("Submitting preview request %zu with exposure %" PRId64, 674 i, exposures[i]); 675 676 ASSERT_EQ(OK, mDevice->setStreamingRequest(previewRequest)); 677 678 // Let preview run 200ms on screen for each exposure time. 679 usleep(PREVIEW_RENDERING_TIME_INTERVAL); 680 } 681 682 size_t requestCount = sensitivities.size(); 683 if (requestCount > exposures.size()) { 684 requestCount = exposures.size(); 685 } 686 687 // To maintain the request id uniqueness (preview request id is 0), make burst capture start 688 // request id 1 here. 689 int32_t requestIdStart = 1; 690 /** 691 * Submit metering request, set default frame duration to minimal possible 692 * value, we want the capture to run as fast as possible. HAL should adjust 693 * the frame duration to minimal necessary value to support the requested 694 * exposure value if exposure is larger than frame duration. 695 */ 696 CaptureBurst(meteringRequest, requestCount, exposures, sensitivities, 697 meteringStream, minFrameDuration, &requestIdStart); 698 699 /** 700 * Submit capture request, set default frame duration to minimal possible 701 * value, we want the capture to run as fast as possible. HAL should adjust 702 * the frame duration to minimal necessary value to support the requested 703 * exposure value if exposure is larger than frame duration. 704 */ 705 CaptureBurst(captureRequest, requestCount, exposures, sensitivities, 706 captureStream, minFrameDuration, &requestIdStart); 707 708 ASSERT_EQ(OK, mDevice->clearStreamingRequest()); 709 } 710 711 } 712 } 713 } 714
