Camera3Device.cpp revision 213ce79e943a3b51d7859a184d8211c859c960a0
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright (C) 2013 The Android Open Source Project 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Licensed under the Apache License, Version 2.0 (the "License"); 58bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) * you may not use this file except in compliance with the License. 68bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) * You may obtain a copy of the License at 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * http://www.apache.org/licenses/LICENSE-2.0 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Unless required by applicable law or agreed to in writing, software 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distributed under the License is distributed on an "AS IS" BASIS, 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * See the License for the specific language governing permissions and 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * limitations under the License. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define LOG_TAG "Camera3-Device" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ATRACE_TAG ATRACE_TAG_CAMERA 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//#define LOG_NDEBUG 0 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//#define LOG_NNDEBUG 0 // Per-frame verbose logging 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef LOG_NNDEBUG 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ALOGVV(...) ALOGV(__VA_ARGS__) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ALOGVV(...) ((void)0) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Convenience macro for transient errors 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ##__VA_ARGS__) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Convenience macros for transitioning to the error state 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define SET_ERR(fmt, ...) setErrorState( \ 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "%s: " fmt, __FUNCTION__, \ 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ##__VA_ARGS__) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define SET_ERR_L(fmt, ...) setErrorStateLocked( \ 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "%s: " fmt, __FUNCTION__, \ 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ##__VA_ARGS__) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/Log.h> 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/Trace.h> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/Timers.h> 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "utils/CameraTraces.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "device3/Camera3Device.h" 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "device3/Camera3OutputStream.h" 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "device3/Camera3InputStream.h" 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "device3/Camera3ZslStream.h" 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using namespace android::camera3; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace android { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Camera3Device::Camera3Device(int id): 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mId(id), 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mHal3Device(NULL), 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mStatus(STATUS_UNINITIALIZED), 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mUsePartialResultQuirk(false), 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mNextResultFrameNumber(0), 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mNextShutterFrameNumber(0), 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mListener(NULL) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ATRACE_CALL(); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) camera3_callback_ops::notify = &sNotify; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Camera3Device::~Camera3Device() 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ATRACE_CALL(); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) disconnect(); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int Camera3Device::getId() const { 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return mId; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/** 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * CameraDeviceBase interface 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)status_t Camera3Device::initialize(camera_module_t *module) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ATRACE_CALL(); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Mutex::Autolock il(mInterfaceLock); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Mutex::Autolock l(mLock); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mStatus != STATUS_UNINITIALIZED) { 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CLOGE("Already initialized!"); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return INVALID_OPERATION; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /** Open HAL device */ 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status_t res; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) String8 deviceName = String8::format("%d", mId); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 101 camera3_device_t *device; 102 103 ATRACE_BEGIN("camera3->open"); 104 res = module->common.methods->open(&module->common, deviceName.string(), 105 reinterpret_cast<hw_device_t**>(&device)); 106 ATRACE_END(); 107 108 if (res != OK) { 109 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 110 return res; 111 } 112 113 /** Cross-check device version */ 114 115 if (device->common.version != CAMERA_DEVICE_API_VERSION_3_0) { 116 SET_ERR_L("Could not open camera: " 117 "Camera device is not version %x, reports %x instead", 118 CAMERA_DEVICE_API_VERSION_3_0, 119 device->common.version); 120 device->common.close(&device->common); 121 return BAD_VALUE; 122 } 123 124 camera_info info; 125 res = module->get_camera_info(mId, &info); 126 if (res != OK) return res; 127 128 if (info.device_version != device->common.version) { 129 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 130 " and device version (%x).", 131 device->common.version, info.device_version); 132 device->common.close(&device->common); 133 return BAD_VALUE; 134 } 135 136 /** Initialize device with callback functions */ 137 138 ATRACE_BEGIN("camera3->initialize"); 139 res = device->ops->initialize(device, this); 140 ATRACE_END(); 141 142 if (res != OK) { 143 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 144 strerror(-res), res); 145 device->common.close(&device->common); 146 return BAD_VALUE; 147 } 148 149 /** Get vendor metadata tags */ 150 151 mVendorTagOps.get_camera_vendor_section_name = NULL; 152 153 ATRACE_BEGIN("camera3->get_metadata_vendor_tag_ops"); 154 device->ops->get_metadata_vendor_tag_ops(device, &mVendorTagOps); 155 ATRACE_END(); 156 157 if (mVendorTagOps.get_camera_vendor_section_name != NULL) { 158 res = set_camera_metadata_vendor_tag_ops(&mVendorTagOps); 159 if (res != OK) { 160 SET_ERR_L("Unable to set tag ops: %s (%d)", 161 strerror(-res), res); 162 device->common.close(&device->common); 163 return res; 164 } 165 } 166 167 /** Start up status tracker thread */ 168 mStatusTracker = new StatusTracker(this); 169 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 170 if (res != OK) { 171 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 172 strerror(-res), res); 173 device->common.close(&device->common); 174 mStatusTracker.clear(); 175 return res; 176 } 177 178 /** Start up request queue thread */ 179 180 mRequestThread = new RequestThread(this, mStatusTracker, device); 181 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 182 if (res != OK) { 183 SET_ERR_L("Unable to start request queue thread: %s (%d)", 184 strerror(-res), res); 185 device->common.close(&device->common); 186 mRequestThread.clear(); 187 return res; 188 } 189 190 /** Everything is good to go */ 191 192 mDeviceInfo = info.static_camera_characteristics; 193 mHal3Device = device; 194 mStatus = STATUS_UNCONFIGURED; 195 mNextStreamId = 0; 196 mNeedConfig = true; 197 mPauseStateNotify = false; 198 199 /** Check for quirks */ 200 201 // Will the HAL be sending in early partial result metadata? 202 camera_metadata_entry partialResultsQuirk = 203 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 204 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 205 mUsePartialResultQuirk = true; 206 } 207 208 return OK; 209} 210 211status_t Camera3Device::disconnect() { 212 ATRACE_CALL(); 213 Mutex::Autolock il(mInterfaceLock); 214 215 ALOGV("%s: E", __FUNCTION__); 216 217 status_t res = OK; 218 219 { 220 Mutex::Autolock l(mLock); 221 if (mStatus == STATUS_UNINITIALIZED) return res; 222 223 if (mStatus == STATUS_ACTIVE || 224 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 225 res = mRequestThread->clearRepeatingRequests(); 226 if (res != OK) { 227 SET_ERR_L("Can't stop streaming"); 228 // Continue to close device even in case of error 229 } else { 230 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 231 if (res != OK) { 232 SET_ERR_L("Timeout waiting for HAL to drain"); 233 // Continue to close device even in case of error 234 } 235 } 236 } 237 238 if (mStatus == STATUS_ERROR) { 239 CLOGE("Shutting down in an error state"); 240 } 241 242 if (mStatusTracker != NULL) { 243 mStatusTracker->requestExit(); 244 } 245 246 if (mRequestThread != NULL) { 247 mRequestThread->requestExit(); 248 } 249 250 mOutputStreams.clear(); 251 mInputStream.clear(); 252 } 253 254 // Joining done without holding mLock, otherwise deadlocks may ensue 255 // as the threads try to access parent state 256 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 257 // HAL may be in a bad state, so waiting for request thread 258 // (which may be stuck in the HAL processCaptureRequest call) 259 // could be dangerous. 260 mRequestThread->join(); 261 } 262 263 if (mStatusTracker != NULL) { 264 mStatusTracker->join(); 265 } 266 267 { 268 Mutex::Autolock l(mLock); 269 270 mRequestThread.clear(); 271 mStatusTracker.clear(); 272 273 if (mHal3Device != NULL) { 274 ATRACE_BEGIN("camera3->close"); 275 mHal3Device->common.close(&mHal3Device->common); 276 ATRACE_END(); 277 mHal3Device = NULL; 278 } 279 280 mStatus = STATUS_UNINITIALIZED; 281 } 282 283 ALOGV("%s: X", __FUNCTION__); 284 return res; 285} 286 287// For dumping/debugging only - 288// try to acquire a lock a few times, eventually give up to proceed with 289// debug/dump operations 290bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 291 bool gotLock = false; 292 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 293 if (lock.tryLock() == NO_ERROR) { 294 gotLock = true; 295 break; 296 } else { 297 usleep(kDumpSleepDuration); 298 } 299 } 300 return gotLock; 301} 302 303status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 304 ATRACE_CALL(); 305 (void)args; 306 307 // Try to lock, but continue in case of failure (to avoid blocking in 308 // deadlocks) 309 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 310 bool gotLock = tryLockSpinRightRound(mLock); 311 312 ALOGW_IF(!gotInterfaceLock, 313 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 314 mId, __FUNCTION__); 315 ALOGW_IF(!gotLock, 316 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 317 mId, __FUNCTION__); 318 319 String8 lines; 320 321 const char *status = 322 mStatus == STATUS_ERROR ? "ERROR" : 323 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 324 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 325 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 326 mStatus == STATUS_ACTIVE ? "ACTIVE" : 327 "Unknown"; 328 329 lines.appendFormat(" Device status: %s\n", status); 330 if (mStatus == STATUS_ERROR) { 331 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 332 } 333 lines.appendFormat(" Stream configuration:\n"); 334 335 if (mInputStream != NULL) { 336 write(fd, lines.string(), lines.size()); 337 mInputStream->dump(fd, args); 338 } else { 339 lines.appendFormat(" No input stream.\n"); 340 write(fd, lines.string(), lines.size()); 341 } 342 for (size_t i = 0; i < mOutputStreams.size(); i++) { 343 mOutputStreams[i]->dump(fd,args); 344 } 345 346 lines = String8(" In-flight requests:\n"); 347 if (mInFlightMap.size() == 0) { 348 lines.append(" None\n"); 349 } else { 350 for (size_t i = 0; i < mInFlightMap.size(); i++) { 351 InFlightRequest r = mInFlightMap.valueAt(i); 352 lines.appendFormat(" Frame %d | Timestamp: %lld, metadata" 353 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 354 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 355 r.numBuffersLeft); 356 } 357 } 358 write(fd, lines.string(), lines.size()); 359 360 { 361 lines = String8(" Last request sent:\n"); 362 write(fd, lines.string(), lines.size()); 363 364 CameraMetadata lastRequest = getLatestRequestLocked(); 365 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 366 } 367 368 if (mHal3Device != NULL) { 369 lines = String8(" HAL device dump:\n"); 370 write(fd, lines.string(), lines.size()); 371 mHal3Device->ops->dump(mHal3Device, fd); 372 } 373 374 if (gotLock) mLock.unlock(); 375 if (gotInterfaceLock) mInterfaceLock.unlock(); 376 377 return OK; 378} 379 380const CameraMetadata& Camera3Device::info() const { 381 ALOGVV("%s: E", __FUNCTION__); 382 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 383 mStatus == STATUS_ERROR)) { 384 ALOGW("%s: Access to static info %s!", __FUNCTION__, 385 mStatus == STATUS_ERROR ? 386 "when in error state" : "before init"); 387 } 388 return mDeviceInfo; 389} 390 391status_t Camera3Device::capture(CameraMetadata &request) { 392 ATRACE_CALL(); 393 status_t res; 394 Mutex::Autolock il(mInterfaceLock); 395 Mutex::Autolock l(mLock); 396 397 // TODO: take ownership of the request 398 399 switch (mStatus) { 400 case STATUS_ERROR: 401 CLOGE("Device has encountered a serious error"); 402 return INVALID_OPERATION; 403 case STATUS_UNINITIALIZED: 404 CLOGE("Device not initialized"); 405 return INVALID_OPERATION; 406 case STATUS_UNCONFIGURED: 407 // May be lazily configuring streams, will check during setup 408 case STATUS_CONFIGURED: 409 case STATUS_ACTIVE: 410 // OK 411 break; 412 default: 413 SET_ERR_L("Unexpected status: %d", mStatus); 414 return INVALID_OPERATION; 415 } 416 417 sp<CaptureRequest> newRequest = setUpRequestLocked(request); 418 if (newRequest == NULL) { 419 CLOGE("Can't create capture request"); 420 return BAD_VALUE; 421 } 422 423 res = mRequestThread->queueRequest(newRequest); 424 if (res == OK) { 425 waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 426 if (res != OK) { 427 SET_ERR_L("Can't transition to active in %f seconds!", 428 kActiveTimeout/1e9); 429 } 430 ALOGV("Camera %d: Capture request enqueued", mId); 431 } 432 return res; 433} 434 435 436status_t Camera3Device::setStreamingRequest(const CameraMetadata &request) { 437 ATRACE_CALL(); 438 status_t res; 439 Mutex::Autolock il(mInterfaceLock); 440 Mutex::Autolock l(mLock); 441 442 switch (mStatus) { 443 case STATUS_ERROR: 444 CLOGE("Device has encountered a serious error"); 445 return INVALID_OPERATION; 446 case STATUS_UNINITIALIZED: 447 CLOGE("Device not initialized"); 448 return INVALID_OPERATION; 449 case STATUS_UNCONFIGURED: 450 // May be lazily configuring streams, will check during setup 451 case STATUS_CONFIGURED: 452 case STATUS_ACTIVE: 453 // OK 454 break; 455 default: 456 SET_ERR_L("Unexpected status: %d", mStatus); 457 return INVALID_OPERATION; 458 } 459 460 sp<CaptureRequest> newRepeatingRequest = setUpRequestLocked(request); 461 if (newRepeatingRequest == NULL) { 462 CLOGE("Can't create repeating request"); 463 return BAD_VALUE; 464 } 465 466 RequestList newRepeatingRequests; 467 newRepeatingRequests.push_back(newRepeatingRequest); 468 469 res = mRequestThread->setRepeatingRequests(newRepeatingRequests); 470 if (res == OK) { 471 waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 472 if (res != OK) { 473 SET_ERR_L("Can't transition to active in %f seconds!", 474 kActiveTimeout/1e9); 475 } 476 ALOGV("Camera %d: Repeating request set", mId); 477 } 478 return res; 479} 480 481 482sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 483 const CameraMetadata &request) { 484 status_t res; 485 486 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 487 res = configureStreamsLocked(); 488 if (res != OK) { 489 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 490 return NULL; 491 } 492 if (mStatus == STATUS_UNCONFIGURED) { 493 CLOGE("No streams configured"); 494 return NULL; 495 } 496 } 497 498 sp<CaptureRequest> newRequest = createCaptureRequest(request); 499 return newRequest; 500} 501 502status_t Camera3Device::clearStreamingRequest() { 503 ATRACE_CALL(); 504 Mutex::Autolock il(mInterfaceLock); 505 Mutex::Autolock l(mLock); 506 507 switch (mStatus) { 508 case STATUS_ERROR: 509 CLOGE("Device has encountered a serious error"); 510 return INVALID_OPERATION; 511 case STATUS_UNINITIALIZED: 512 CLOGE("Device not initialized"); 513 return INVALID_OPERATION; 514 case STATUS_UNCONFIGURED: 515 case STATUS_CONFIGURED: 516 case STATUS_ACTIVE: 517 // OK 518 break; 519 default: 520 SET_ERR_L("Unexpected status: %d", mStatus); 521 return INVALID_OPERATION; 522 } 523 ALOGV("Camera %d: Clearing repeating request", mId); 524 return mRequestThread->clearRepeatingRequests(); 525} 526 527status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 528 ATRACE_CALL(); 529 Mutex::Autolock il(mInterfaceLock); 530 531 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 532} 533 534status_t Camera3Device::createInputStream( 535 uint32_t width, uint32_t height, int format, int *id) { 536 ATRACE_CALL(); 537 Mutex::Autolock il(mInterfaceLock); 538 Mutex::Autolock l(mLock); 539 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 540 mId, mNextStreamId, width, height, format); 541 542 status_t res; 543 bool wasActive = false; 544 545 switch (mStatus) { 546 case STATUS_ERROR: 547 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 548 return INVALID_OPERATION; 549 case STATUS_UNINITIALIZED: 550 ALOGE("%s: Device not initialized", __FUNCTION__); 551 return INVALID_OPERATION; 552 case STATUS_UNCONFIGURED: 553 case STATUS_CONFIGURED: 554 // OK 555 break; 556 case STATUS_ACTIVE: 557 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 558 res = internalPauseAndWaitLocked(); 559 if (res != OK) { 560 SET_ERR_L("Can't pause captures to reconfigure streams!"); 561 return res; 562 } 563 wasActive = true; 564 break; 565 default: 566 SET_ERR_L("%s: Unexpected status: %d", mStatus); 567 return INVALID_OPERATION; 568 } 569 assert(mStatus != STATUS_ACTIVE); 570 571 if (mInputStream != 0) { 572 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 573 return INVALID_OPERATION; 574 } 575 576 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 577 width, height, format); 578 newStream->setStatusTracker(mStatusTracker); 579 580 mInputStream = newStream; 581 582 *id = mNextStreamId++; 583 584 // Continue captures if active at start 585 if (wasActive) { 586 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 587 res = configureStreamsLocked(); 588 if (res != OK) { 589 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 590 __FUNCTION__, mNextStreamId, strerror(-res), res); 591 return res; 592 } 593 internalResumeLocked(); 594 } 595 596 ALOGV("Camera %d: Created input stream", mId); 597 return OK; 598} 599 600 601status_t Camera3Device::createZslStream( 602 uint32_t width, uint32_t height, 603 int depth, 604 /*out*/ 605 int *id, 606 sp<Camera3ZslStream>* zslStream) { 607 ATRACE_CALL(); 608 Mutex::Autolock il(mInterfaceLock); 609 Mutex::Autolock l(mLock); 610 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 611 mId, mNextStreamId, width, height, depth); 612 613 status_t res; 614 bool wasActive = false; 615 616 switch (mStatus) { 617 case STATUS_ERROR: 618 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 619 return INVALID_OPERATION; 620 case STATUS_UNINITIALIZED: 621 ALOGE("%s: Device not initialized", __FUNCTION__); 622 return INVALID_OPERATION; 623 case STATUS_UNCONFIGURED: 624 case STATUS_CONFIGURED: 625 // OK 626 break; 627 case STATUS_ACTIVE: 628 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 629 res = internalPauseAndWaitLocked(); 630 if (res != OK) { 631 SET_ERR_L("Can't pause captures to reconfigure streams!"); 632 return res; 633 } 634 wasActive = true; 635 break; 636 default: 637 SET_ERR_L("Unexpected status: %d", mStatus); 638 return INVALID_OPERATION; 639 } 640 assert(mStatus != STATUS_ACTIVE); 641 642 if (mInputStream != 0) { 643 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 644 return INVALID_OPERATION; 645 } 646 647 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 648 width, height, depth); 649 newStream->setStatusTracker(mStatusTracker); 650 651 res = mOutputStreams.add(mNextStreamId, newStream); 652 if (res < 0) { 653 ALOGE("%s: Can't add new stream to set: %s (%d)", 654 __FUNCTION__, strerror(-res), res); 655 return res; 656 } 657 mInputStream = newStream; 658 659 *id = mNextStreamId++; 660 *zslStream = newStream; 661 662 // Continue captures if active at start 663 if (wasActive) { 664 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 665 res = configureStreamsLocked(); 666 if (res != OK) { 667 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 668 __FUNCTION__, mNextStreamId, strerror(-res), res); 669 return res; 670 } 671 internalResumeLocked(); 672 } 673 674 ALOGV("Camera %d: Created ZSL stream", mId); 675 return OK; 676} 677 678status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 679 uint32_t width, uint32_t height, int format, size_t size, int *id) { 680 ATRACE_CALL(); 681 Mutex::Autolock il(mInterfaceLock); 682 Mutex::Autolock l(mLock); 683 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d, size %d", 684 mId, mNextStreamId, width, height, format, size); 685 686 status_t res; 687 bool wasActive = false; 688 689 switch (mStatus) { 690 case STATUS_ERROR: 691 CLOGE("Device has encountered a serious error"); 692 return INVALID_OPERATION; 693 case STATUS_UNINITIALIZED: 694 CLOGE("Device not initialized"); 695 return INVALID_OPERATION; 696 case STATUS_UNCONFIGURED: 697 case STATUS_CONFIGURED: 698 // OK 699 break; 700 case STATUS_ACTIVE: 701 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 702 res = internalPauseAndWaitLocked(); 703 if (res != OK) { 704 SET_ERR_L("Can't pause captures to reconfigure streams!"); 705 return res; 706 } 707 wasActive = true; 708 break; 709 default: 710 SET_ERR_L("Unexpected status: %d", mStatus); 711 return INVALID_OPERATION; 712 } 713 assert(mStatus != STATUS_ACTIVE); 714 715 sp<Camera3OutputStream> newStream; 716 if (format == HAL_PIXEL_FORMAT_BLOB) { 717 newStream = new Camera3OutputStream(mNextStreamId, consumer, 718 width, height, size, format); 719 } else { 720 newStream = new Camera3OutputStream(mNextStreamId, consumer, 721 width, height, format); 722 } 723 newStream->setStatusTracker(mStatusTracker); 724 725 res = mOutputStreams.add(mNextStreamId, newStream); 726 if (res < 0) { 727 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 728 return res; 729 } 730 731 *id = mNextStreamId++; 732 mNeedConfig = true; 733 734 // Continue captures if active at start 735 if (wasActive) { 736 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 737 res = configureStreamsLocked(); 738 if (res != OK) { 739 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 740 mNextStreamId, strerror(-res), res); 741 return res; 742 } 743 internalResumeLocked(); 744 } 745 ALOGV("Camera %d: Created new stream", mId); 746 return OK; 747} 748 749status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 750 ATRACE_CALL(); 751 (void)outputId; (void)id; 752 753 CLOGE("Unimplemented"); 754 return INVALID_OPERATION; 755} 756 757 758status_t Camera3Device::getStreamInfo(int id, 759 uint32_t *width, uint32_t *height, uint32_t *format) { 760 ATRACE_CALL(); 761 Mutex::Autolock il(mInterfaceLock); 762 Mutex::Autolock l(mLock); 763 764 switch (mStatus) { 765 case STATUS_ERROR: 766 CLOGE("Device has encountered a serious error"); 767 return INVALID_OPERATION; 768 case STATUS_UNINITIALIZED: 769 CLOGE("Device not initialized!"); 770 return INVALID_OPERATION; 771 case STATUS_UNCONFIGURED: 772 case STATUS_CONFIGURED: 773 case STATUS_ACTIVE: 774 // OK 775 break; 776 default: 777 SET_ERR_L("Unexpected status: %d", mStatus); 778 return INVALID_OPERATION; 779 } 780 781 ssize_t idx = mOutputStreams.indexOfKey(id); 782 if (idx == NAME_NOT_FOUND) { 783 CLOGE("Stream %d is unknown", id); 784 return idx; 785 } 786 787 if (width) *width = mOutputStreams[idx]->getWidth(); 788 if (height) *height = mOutputStreams[idx]->getHeight(); 789 if (format) *format = mOutputStreams[idx]->getFormat(); 790 791 return OK; 792} 793 794status_t Camera3Device::setStreamTransform(int id, 795 int transform) { 796 ATRACE_CALL(); 797 Mutex::Autolock il(mInterfaceLock); 798 Mutex::Autolock l(mLock); 799 800 switch (mStatus) { 801 case STATUS_ERROR: 802 CLOGE("Device has encountered a serious error"); 803 return INVALID_OPERATION; 804 case STATUS_UNINITIALIZED: 805 CLOGE("Device not initialized"); 806 return INVALID_OPERATION; 807 case STATUS_UNCONFIGURED: 808 case STATUS_CONFIGURED: 809 case STATUS_ACTIVE: 810 // OK 811 break; 812 default: 813 SET_ERR_L("Unexpected status: %d", mStatus); 814 return INVALID_OPERATION; 815 } 816 817 ssize_t idx = mOutputStreams.indexOfKey(id); 818 if (idx == NAME_NOT_FOUND) { 819 CLOGE("Stream %d does not exist", 820 id); 821 return BAD_VALUE; 822 } 823 824 return mOutputStreams.editValueAt(idx)->setTransform(transform); 825} 826 827status_t Camera3Device::deleteStream(int id) { 828 ATRACE_CALL(); 829 Mutex::Autolock il(mInterfaceLock); 830 Mutex::Autolock l(mLock); 831 status_t res; 832 833 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 834 835 // CameraDevice semantics require device to already be idle before 836 // deleteStream is called, unlike for createStream. 837 if (mStatus == STATUS_ACTIVE) { 838 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 839 return -EBUSY; 840 } 841 842 sp<Camera3StreamInterface> deletedStream; 843 if (mInputStream != NULL && id == mInputStream->getId()) { 844 deletedStream = mInputStream; 845 mInputStream.clear(); 846 } else { 847 ssize_t idx = mOutputStreams.indexOfKey(id); 848 if (idx == NAME_NOT_FOUND) { 849 CLOGE("Stream %d does not exist", id); 850 return BAD_VALUE; 851 } 852 deletedStream = mOutputStreams.editValueAt(idx); 853 mOutputStreams.removeItem(id); 854 } 855 856 // Free up the stream endpoint so that it can be used by some other stream 857 res = deletedStream->disconnect(); 858 if (res != OK) { 859 SET_ERR_L("Can't disconnect deleted stream %d", id); 860 // fall through since we want to still list the stream as deleted. 861 } 862 mDeletedStreams.add(deletedStream); 863 mNeedConfig = true; 864 865 return res; 866} 867 868status_t Camera3Device::deleteReprocessStream(int id) { 869 ATRACE_CALL(); 870 (void)id; 871 872 CLOGE("Unimplemented"); 873 return INVALID_OPERATION; 874} 875 876 877status_t Camera3Device::createDefaultRequest(int templateId, 878 CameraMetadata *request) { 879 ATRACE_CALL(); 880 ALOGV("%s: for template %d", __FUNCTION__, templateId); 881 Mutex::Autolock il(mInterfaceLock); 882 Mutex::Autolock l(mLock); 883 884 switch (mStatus) { 885 case STATUS_ERROR: 886 CLOGE("Device has encountered a serious error"); 887 return INVALID_OPERATION; 888 case STATUS_UNINITIALIZED: 889 CLOGE("Device is not initialized!"); 890 return INVALID_OPERATION; 891 case STATUS_UNCONFIGURED: 892 case STATUS_CONFIGURED: 893 case STATUS_ACTIVE: 894 // OK 895 break; 896 default: 897 SET_ERR_L("Unexpected status: %d", mStatus); 898 return INVALID_OPERATION; 899 } 900 901 const camera_metadata_t *rawRequest; 902 ATRACE_BEGIN("camera3->construct_default_request_settings"); 903 rawRequest = mHal3Device->ops->construct_default_request_settings( 904 mHal3Device, templateId); 905 ATRACE_END(); 906 if (rawRequest == NULL) { 907 SET_ERR_L("HAL is unable to construct default settings for template %d", 908 templateId); 909 return DEAD_OBJECT; 910 } 911 *request = rawRequest; 912 913 return OK; 914} 915 916status_t Camera3Device::waitUntilDrained() { 917 ATRACE_CALL(); 918 Mutex::Autolock il(mInterfaceLock); 919 Mutex::Autolock l(mLock); 920 921 switch (mStatus) { 922 case STATUS_UNINITIALIZED: 923 case STATUS_UNCONFIGURED: 924 ALOGV("%s: Already idle", __FUNCTION__); 925 return OK; 926 case STATUS_CONFIGURED: 927 // To avoid race conditions, check with tracker to be sure 928 case STATUS_ERROR: 929 case STATUS_ACTIVE: 930 // Need to verify shut down 931 break; 932 default: 933 SET_ERR_L("Unexpected status: %d",mStatus); 934 return INVALID_OPERATION; 935 } 936 937 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 938 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 939 return res; 940} 941 942// Pause to reconfigure 943status_t Camera3Device::internalPauseAndWaitLocked() { 944 mRequestThread->setPaused(true); 945 mPauseStateNotify = true; 946 947 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 948 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 949 if (res != OK) { 950 SET_ERR_L("Can't idle device in %f seconds!", 951 kShutdownTimeout/1e9); 952 } 953 954 return res; 955} 956 957// Resume after internalPauseAndWaitLocked 958status_t Camera3Device::internalResumeLocked() { 959 status_t res; 960 961 mRequestThread->setPaused(false); 962 963 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 964 if (res != OK) { 965 SET_ERR_L("Can't transition to active in %f seconds!", 966 kActiveTimeout/1e9); 967 } 968 mPauseStateNotify = false; 969 return OK; 970} 971 972status_t Camera3Device::waitUntilStateThenRelock(bool active, 973 nsecs_t timeout) { 974 status_t res = OK; 975 if (active == (mStatus == STATUS_ACTIVE)) { 976 // Desired state already reached 977 return res; 978 } 979 980 bool stateSeen = false; 981 do { 982 mRecentStatusUpdates.clear(); 983 984 res = mStatusChanged.waitRelative(mLock, timeout); 985 if (res != OK) break; 986 987 // Check state change history during wait 988 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 989 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 990 stateSeen = true; 991 break; 992 } 993 } 994 } while (!stateSeen); 995 996 return res; 997} 998 999 1000status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1001 ATRACE_CALL(); 1002 Mutex::Autolock l(mOutputLock); 1003 1004 if (listener != NULL && mListener != NULL) { 1005 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1006 } 1007 mListener = listener; 1008 1009 return OK; 1010} 1011 1012bool Camera3Device::willNotify3A() { 1013 return false; 1014} 1015 1016status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1017 status_t res; 1018 Mutex::Autolock l(mOutputLock); 1019 1020 while (mResultQueue.empty()) { 1021 res = mResultSignal.waitRelative(mOutputLock, timeout); 1022 if (res == TIMED_OUT) { 1023 return res; 1024 } else if (res != OK) { 1025 ALOGW("%s: Camera %d: No frame in %lld ns: %s (%d)", 1026 __FUNCTION__, mId, timeout, strerror(-res), res); 1027 return res; 1028 } 1029 } 1030 return OK; 1031} 1032 1033status_t Camera3Device::getNextFrame(CameraMetadata *frame) { 1034 ATRACE_CALL(); 1035 Mutex::Autolock l(mOutputLock); 1036 1037 if (mResultQueue.empty()) { 1038 return NOT_ENOUGH_DATA; 1039 } 1040 1041 CameraMetadata &result = *(mResultQueue.begin()); 1042 frame->acquire(result); 1043 mResultQueue.erase(mResultQueue.begin()); 1044 1045 return OK; 1046} 1047 1048status_t Camera3Device::triggerAutofocus(uint32_t id) { 1049 ATRACE_CALL(); 1050 Mutex::Autolock il(mInterfaceLock); 1051 1052 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1053 // Mix-in this trigger into the next request and only the next request. 1054 RequestTrigger trigger[] = { 1055 { 1056 ANDROID_CONTROL_AF_TRIGGER, 1057 ANDROID_CONTROL_AF_TRIGGER_START 1058 }, 1059 { 1060 ANDROID_CONTROL_AF_TRIGGER_ID, 1061 static_cast<int32_t>(id) 1062 }, 1063 }; 1064 1065 return mRequestThread->queueTrigger(trigger, 1066 sizeof(trigger)/sizeof(trigger[0])); 1067} 1068 1069status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1070 ATRACE_CALL(); 1071 Mutex::Autolock il(mInterfaceLock); 1072 1073 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1074 // Mix-in this trigger into the next request and only the next request. 1075 RequestTrigger trigger[] = { 1076 { 1077 ANDROID_CONTROL_AF_TRIGGER, 1078 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1079 }, 1080 { 1081 ANDROID_CONTROL_AF_TRIGGER_ID, 1082 static_cast<int32_t>(id) 1083 }, 1084 }; 1085 1086 return mRequestThread->queueTrigger(trigger, 1087 sizeof(trigger)/sizeof(trigger[0])); 1088} 1089 1090status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1091 ATRACE_CALL(); 1092 Mutex::Autolock il(mInterfaceLock); 1093 1094 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1095 // Mix-in this trigger into the next request and only the next request. 1096 RequestTrigger trigger[] = { 1097 { 1098 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1099 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1100 }, 1101 { 1102 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1103 static_cast<int32_t>(id) 1104 }, 1105 }; 1106 1107 return mRequestThread->queueTrigger(trigger, 1108 sizeof(trigger)/sizeof(trigger[0])); 1109} 1110 1111status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1112 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1113 ATRACE_CALL(); 1114 (void)reprocessStreamId; (void)buffer; (void)listener; 1115 1116 CLOGE("Unimplemented"); 1117 return INVALID_OPERATION; 1118} 1119 1120status_t Camera3Device::flush() { 1121 ATRACE_CALL(); 1122 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1123 Mutex::Autolock il(mInterfaceLock); 1124 Mutex::Autolock l(mLock); 1125 1126 mRequestThread->clear(); 1127 return mHal3Device->ops->flush(mHal3Device); 1128} 1129 1130/** 1131 * Methods called by subclasses 1132 */ 1133 1134void Camera3Device::notifyStatus(bool idle) { 1135 { 1136 // Need mLock to safely update state and synchronize to current 1137 // state of methods in flight. 1138 Mutex::Autolock l(mLock); 1139 // We can get various system-idle notices from the status tracker 1140 // while starting up. Only care about them if we've actually sent 1141 // in some requests recently. 1142 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1143 return; 1144 } 1145 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1146 idle ? "idle" : "active"); 1147 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1148 mRecentStatusUpdates.add(mStatus); 1149 mStatusChanged.signal(); 1150 1151 // Skip notifying listener if we're doing some user-transparent 1152 // state changes 1153 if (mPauseStateNotify) return; 1154 } 1155 NotificationListener *listener; 1156 { 1157 Mutex::Autolock l(mOutputLock); 1158 listener = mListener; 1159 } 1160 if (idle && listener != NULL) { 1161 listener->notifyIdle(); 1162 } 1163} 1164 1165/** 1166 * Camera3Device private methods 1167 */ 1168 1169sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1170 const CameraMetadata &request) { 1171 ATRACE_CALL(); 1172 status_t res; 1173 1174 sp<CaptureRequest> newRequest = new CaptureRequest; 1175 newRequest->mSettings = request; 1176 1177 camera_metadata_entry_t inputStreams = 1178 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1179 if (inputStreams.count > 0) { 1180 if (mInputStream == NULL || 1181 mInputStream->getId() != inputStreams.data.i32[0]) { 1182 CLOGE("Request references unknown input stream %d", 1183 inputStreams.data.u8[0]); 1184 return NULL; 1185 } 1186 // Lazy completion of stream configuration (allocation/registration) 1187 // on first use 1188 if (mInputStream->isConfiguring()) { 1189 res = mInputStream->finishConfiguration(mHal3Device); 1190 if (res != OK) { 1191 SET_ERR_L("Unable to finish configuring input stream %d:" 1192 " %s (%d)", 1193 mInputStream->getId(), strerror(-res), res); 1194 return NULL; 1195 } 1196 } 1197 1198 newRequest->mInputStream = mInputStream; 1199 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1200 } 1201 1202 camera_metadata_entry_t streams = 1203 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1204 if (streams.count == 0) { 1205 CLOGE("Zero output streams specified!"); 1206 return NULL; 1207 } 1208 1209 for (size_t i = 0; i < streams.count; i++) { 1210 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1211 if (idx == NAME_NOT_FOUND) { 1212 CLOGE("Request references unknown stream %d", 1213 streams.data.u8[i]); 1214 return NULL; 1215 } 1216 sp<Camera3OutputStreamInterface> stream = 1217 mOutputStreams.editValueAt(idx); 1218 1219 // Lazy completion of stream configuration (allocation/registration) 1220 // on first use 1221 if (stream->isConfiguring()) { 1222 res = stream->finishConfiguration(mHal3Device); 1223 if (res != OK) { 1224 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1225 stream->getId(), strerror(-res), res); 1226 return NULL; 1227 } 1228 } 1229 1230 newRequest->mOutputStreams.push(stream); 1231 } 1232 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1233 1234 return newRequest; 1235} 1236 1237status_t Camera3Device::configureStreamsLocked() { 1238 ATRACE_CALL(); 1239 status_t res; 1240 1241 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1242 CLOGE("Not idle"); 1243 return INVALID_OPERATION; 1244 } 1245 1246 if (!mNeedConfig) { 1247 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1248 return OK; 1249 } 1250 1251 // Start configuring the streams 1252 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1253 1254 camera3_stream_configuration config; 1255 1256 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1257 1258 Vector<camera3_stream_t*> streams; 1259 streams.setCapacity(config.num_streams); 1260 1261 if (mInputStream != NULL) { 1262 camera3_stream_t *inputStream; 1263 inputStream = mInputStream->startConfiguration(); 1264 if (inputStream == NULL) { 1265 SET_ERR_L("Can't start input stream configuration"); 1266 return INVALID_OPERATION; 1267 } 1268 streams.add(inputStream); 1269 } 1270 1271 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1272 1273 // Don't configure bidi streams twice, nor add them twice to the list 1274 if (mOutputStreams[i].get() == 1275 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1276 1277 config.num_streams--; 1278 continue; 1279 } 1280 1281 camera3_stream_t *outputStream; 1282 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1283 if (outputStream == NULL) { 1284 SET_ERR_L("Can't start output stream configuration"); 1285 return INVALID_OPERATION; 1286 } 1287 streams.add(outputStream); 1288 } 1289 1290 config.streams = streams.editArray(); 1291 1292 // Do the HAL configuration; will potentially touch stream 1293 // max_buffers, usage, priv fields. 1294 ATRACE_BEGIN("camera3->configure_streams"); 1295 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1296 ATRACE_END(); 1297 1298 if (res != OK) { 1299 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1300 strerror(-res), res); 1301 return res; 1302 } 1303 1304 // Finish all stream configuration immediately. 1305 // TODO: Try to relax this later back to lazy completion, which should be 1306 // faster 1307 1308 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1309 res = mInputStream->finishConfiguration(mHal3Device); 1310 if (res != OK) { 1311 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1312 mInputStream->getId(), strerror(-res), res); 1313 return res; 1314 } 1315 } 1316 1317 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1318 sp<Camera3OutputStreamInterface> outputStream = 1319 mOutputStreams.editValueAt(i); 1320 if (outputStream->isConfiguring()) { 1321 res = outputStream->finishConfiguration(mHal3Device); 1322 if (res != OK) { 1323 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1324 outputStream->getId(), strerror(-res), res); 1325 return res; 1326 } 1327 } 1328 } 1329 1330 // Request thread needs to know to avoid using repeat-last-settings protocol 1331 // across configure_streams() calls 1332 mRequestThread->configurationComplete(); 1333 1334 // Update device state 1335 1336 mNeedConfig = false; 1337 1338 if (config.num_streams > 0) { 1339 mStatus = STATUS_CONFIGURED; 1340 } else { 1341 mStatus = STATUS_UNCONFIGURED; 1342 } 1343 1344 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1345 1346 return OK; 1347} 1348 1349void Camera3Device::setErrorState(const char *fmt, ...) { 1350 Mutex::Autolock l(mLock); 1351 va_list args; 1352 va_start(args, fmt); 1353 1354 setErrorStateLockedV(fmt, args); 1355 1356 va_end(args); 1357} 1358 1359void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1360 Mutex::Autolock l(mLock); 1361 setErrorStateLockedV(fmt, args); 1362} 1363 1364void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1365 va_list args; 1366 va_start(args, fmt); 1367 1368 setErrorStateLockedV(fmt, args); 1369 1370 va_end(args); 1371} 1372 1373void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1374 // Print out all error messages to log 1375 String8 errorCause = String8::formatV(fmt, args); 1376 ALOGE("Camera %d: %s", mId, errorCause.string()); 1377 1378 // But only do error state transition steps for the first error 1379 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1380 1381 // Save stack trace. View by dumping it later. 1382 CameraTraces::saveTrace(); 1383 // TODO: consider adding errorCause and client pid/procname 1384 1385 mErrorCause = errorCause; 1386 1387 mRequestThread->setPaused(true); 1388 mStatus = STATUS_ERROR; 1389} 1390 1391/** 1392 * In-flight request management 1393 */ 1394 1395status_t Camera3Device::registerInFlight(int32_t frameNumber, 1396 int32_t requestId, int32_t numBuffers) { 1397 ATRACE_CALL(); 1398 Mutex::Autolock l(mInFlightLock); 1399 1400 ssize_t res; 1401 res = mInFlightMap.add(frameNumber, InFlightRequest(requestId, numBuffers)); 1402 if (res < 0) return res; 1403 1404 return OK; 1405} 1406 1407/** 1408 * QUIRK(partial results) 1409 * Check if all 3A fields are ready, and send off a partial 3A-only result 1410 * to the output frame queue 1411 */ 1412bool Camera3Device::processPartial3AQuirk(int32_t frameNumber, 1413 const CameraMetadata& partial) { 1414 1415 // Check if all 3A states are present 1416 // The full list of fields is 1417 // android.control.afMode 1418 // android.control.awbMode 1419 // android.control.aeState 1420 // android.control.awbState 1421 // android.control.afState 1422 // android.control.afTriggerID 1423 // android.control.aePrecaptureID 1424 // TODO: Add android.control.aeMode 1425 1426 bool gotAllStates = true; 1427 1428 uint8_t afMode; 1429 uint8_t awbMode; 1430 uint8_t aeState; 1431 uint8_t afState; 1432 uint8_t awbState; 1433 int32_t afTriggerId; 1434 int32_t aeTriggerId; 1435 1436 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1437 &afMode, frameNumber); 1438 1439 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1440 &awbMode, frameNumber); 1441 1442 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1443 &aeState, frameNumber); 1444 1445 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1446 &afState, frameNumber); 1447 1448 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1449 &awbState, frameNumber); 1450 1451 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_TRIGGER_ID, 1452 &afTriggerId, frameNumber); 1453 1454 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1455 &aeTriggerId, frameNumber); 1456 1457 if (!gotAllStates) return false; 1458 1459 ALOGVV("%s: Camera %d: Frame %d: AF mode %d, AWB mode %d, " 1460 "AF state %d, AE state %d, AWB state %d, " 1461 "AF trigger %d, AE precapture trigger %d", 1462 __FUNCTION__, mId, frameNumber, 1463 afMode, awbMode, 1464 afState, aeState, awbState, 1465 afTriggerId, aeTriggerId); 1466 1467 // Got all states, so construct a minimal result to send 1468 // In addition to the above fields, this means adding in 1469 // android.request.frameCount 1470 // android.quirks.partialResult 1471 1472 const size_t kMinimal3AResultEntries = 7; 1473 1474 Mutex::Autolock l(mOutputLock); 1475 1476 CameraMetadata& min3AResult = 1477 *mResultQueue.insert( 1478 mResultQueue.end(), 1479 CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0)); 1480 1481 if (!insert3AResult(min3AResult, ANDROID_REQUEST_FRAME_COUNT, 1482 &frameNumber, frameNumber)) { 1483 return false; 1484 } 1485 1486 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1487 if (!insert3AResult(min3AResult, ANDROID_QUIRKS_PARTIAL_RESULT, 1488 &partialResult, frameNumber)) { 1489 return false; 1490 } 1491 1492 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AF_MODE, 1493 &afMode, frameNumber)) { 1494 return false; 1495 } 1496 1497 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AWB_MODE, 1498 &awbMode, frameNumber)) { 1499 return false; 1500 } 1501 1502 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AE_STATE, 1503 &aeState, frameNumber)) { 1504 return false; 1505 } 1506 1507 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AF_STATE, 1508 &afState, frameNumber)) { 1509 return false; 1510 } 1511 1512 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AWB_STATE, 1513 &awbState, frameNumber)) { 1514 return false; 1515 } 1516 1517 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AF_TRIGGER_ID, 1518 &afTriggerId, frameNumber)) { 1519 return false; 1520 } 1521 1522 if (!insert3AResult(min3AResult, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1523 &aeTriggerId, frameNumber)) { 1524 return false; 1525 } 1526 1527 mResultSignal.signal(); 1528 1529 return true; 1530} 1531 1532template<typename T> 1533bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1534 T* value, int32_t frameNumber) { 1535 (void) frameNumber; 1536 1537 camera_metadata_ro_entry_t entry; 1538 1539 entry = result.find(tag); 1540 if (entry.count == 0) { 1541 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1542 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1543 return false; 1544 } 1545 1546 if (sizeof(T) == sizeof(uint8_t)) { 1547 *value = entry.data.u8[0]; 1548 } else if (sizeof(T) == sizeof(int32_t)) { 1549 *value = entry.data.i32[0]; 1550 } else { 1551 ALOGE("%s: Unexpected type", __FUNCTION__); 1552 return false; 1553 } 1554 return true; 1555} 1556 1557template<typename T> 1558bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1559 const T* value, int32_t frameNumber) { 1560 if (result.update(tag, value, 1) != NO_ERROR) { 1561 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1562 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1563 frameNumber, get_camera_metadata_tag_name(tag)); 1564 return false; 1565 } 1566 return true; 1567} 1568 1569/** 1570 * Camera HAL device callback methods 1571 */ 1572 1573void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1574 ATRACE_CALL(); 1575 1576 status_t res; 1577 1578 uint32_t frameNumber = result->frame_number; 1579 if (result->result == NULL && result->num_output_buffers == 0) { 1580 SET_ERR("No result data provided by HAL for frame %d", 1581 frameNumber); 1582 return; 1583 } 1584 bool partialResultQuirk = false; 1585 CameraMetadata collectedQuirkResult; 1586 1587 // Get capture timestamp from list of in-flight requests, where it was added 1588 // by the shutter notification for this frame. Then update the in-flight 1589 // status and remove the in-flight entry if all result data has been 1590 // received. 1591 nsecs_t timestamp = 0; 1592 { 1593 Mutex::Autolock l(mInFlightLock); 1594 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1595 if (idx == NAME_NOT_FOUND) { 1596 SET_ERR("Unknown frame number for capture result: %d", 1597 frameNumber); 1598 return; 1599 } 1600 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1601 1602 // Check if this result carries only partial metadata 1603 if (mUsePartialResultQuirk && result->result != NULL) { 1604 camera_metadata_ro_entry_t partialResultEntry; 1605 res = find_camera_metadata_ro_entry(result->result, 1606 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1607 if (res != NAME_NOT_FOUND && 1608 partialResultEntry.count > 0 && 1609 partialResultEntry.data.u8[0] == 1610 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1611 // A partial result. Flag this as such, and collect this 1612 // set of metadata into the in-flight entry. 1613 partialResultQuirk = true; 1614 request.partialResultQuirk.collectedResult.append( 1615 result->result); 1616 request.partialResultQuirk.collectedResult.erase( 1617 ANDROID_QUIRKS_PARTIAL_RESULT); 1618 // Fire off a 3A-only result if possible 1619 if (!request.partialResultQuirk.haveSent3A) { 1620 request.partialResultQuirk.haveSent3A = 1621 processPartial3AQuirk(frameNumber, 1622 request.partialResultQuirk.collectedResult); 1623 } 1624 } 1625 } 1626 1627 timestamp = request.captureTimestamp; 1628 /** 1629 * One of the following must happen before it's legal to call process_capture_result, 1630 * unless partial metadata is being provided: 1631 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1632 * - CAMERA3_MSG_ERROR (expected during flush) 1633 */ 1634 if (request.requestStatus == OK && timestamp == 0 && !partialResultQuirk) { 1635 SET_ERR("Called before shutter notify for frame %d", 1636 frameNumber); 1637 return; 1638 } 1639 1640 // Did we get the (final) result metadata for this capture? 1641 if (result->result != NULL && !partialResultQuirk) { 1642 if (request.haveResultMetadata) { 1643 SET_ERR("Called multiple times with metadata for frame %d", 1644 frameNumber); 1645 return; 1646 } 1647 if (mUsePartialResultQuirk && 1648 !request.partialResultQuirk.collectedResult.isEmpty()) { 1649 collectedQuirkResult.acquire( 1650 request.partialResultQuirk.collectedResult); 1651 } 1652 request.haveResultMetadata = true; 1653 } 1654 1655 request.numBuffersLeft -= result->num_output_buffers; 1656 1657 if (request.numBuffersLeft < 0) { 1658 SET_ERR("Too many buffers returned for frame %d", 1659 frameNumber); 1660 return; 1661 } 1662 1663 // Check if everything has arrived for this result (buffers and metadata) 1664 if (request.haveResultMetadata && request.numBuffersLeft == 0) { 1665 ATRACE_ASYNC_END("frame capture", frameNumber); 1666 mInFlightMap.removeItemsAt(idx, 1); 1667 } 1668 1669 // Sanity check - if we have too many in-flight frames, something has 1670 // likely gone wrong 1671 if (mInFlightMap.size() > kInFlightWarnLimit) { 1672 CLOGE("In-flight list too large: %d", mInFlightMap.size()); 1673 } 1674 1675 } 1676 1677 // Process the result metadata, if provided 1678 bool gotResult = false; 1679 if (result->result != NULL && !partialResultQuirk) { 1680 Mutex::Autolock l(mOutputLock); 1681 1682 gotResult = true; 1683 1684 if (frameNumber != mNextResultFrameNumber) { 1685 SET_ERR("Out-of-order capture result metadata submitted! " 1686 "(got frame number %d, expecting %d)", 1687 frameNumber, mNextResultFrameNumber); 1688 return; 1689 } 1690 mNextResultFrameNumber++; 1691 1692 CameraMetadata captureResult; 1693 captureResult = result->result; 1694 1695 if (captureResult.update(ANDROID_REQUEST_FRAME_COUNT, 1696 (int32_t*)&frameNumber, 1) != OK) { 1697 SET_ERR("Failed to set frame# in metadata (%d)", 1698 frameNumber); 1699 gotResult = false; 1700 } else { 1701 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1702 __FUNCTION__, mId, frameNumber); 1703 } 1704 1705 // Append any previous partials to form a complete result 1706 if (mUsePartialResultQuirk && !collectedQuirkResult.isEmpty()) { 1707 captureResult.append(collectedQuirkResult); 1708 } 1709 1710 captureResult.sort(); 1711 1712 // Check that there's a timestamp in the result metadata 1713 1714 camera_metadata_entry entry = 1715 captureResult.find(ANDROID_SENSOR_TIMESTAMP); 1716 if (entry.count == 0) { 1717 SET_ERR("No timestamp provided by HAL for frame %d!", 1718 frameNumber); 1719 gotResult = false; 1720 } else if (timestamp != entry.data.i64[0]) { 1721 SET_ERR("Timestamp mismatch between shutter notify and result" 1722 " metadata for frame %d (%lld vs %lld respectively)", 1723 frameNumber, timestamp, entry.data.i64[0]); 1724 gotResult = false; 1725 } 1726 1727 if (gotResult) { 1728 // Valid result, insert into queue 1729 CameraMetadata& queuedResult = 1730 *mResultQueue.insert(mResultQueue.end(), CameraMetadata()); 1731 queuedResult.swap(captureResult); 1732 } 1733 } // scope for mOutputLock 1734 1735 // Return completed buffers to their streams with the timestamp 1736 1737 for (size_t i = 0; i < result->num_output_buffers; i++) { 1738 Camera3Stream *stream = 1739 Camera3Stream::cast(result->output_buffers[i].stream); 1740 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1741 // Note: stream may be deallocated at this point, if this buffer was the 1742 // last reference to it. 1743 if (res != OK) { 1744 ALOGE("Can't return buffer %d for frame %d to its stream: " 1745 " %s (%d)", i, frameNumber, strerror(-res), res); 1746 } 1747 } 1748 1749 // Finally, signal any waiters for new frames 1750 1751 if (gotResult) { 1752 mResultSignal.signal(); 1753 } 1754 1755} 1756 1757 1758 1759void Camera3Device::notify(const camera3_notify_msg *msg) { 1760 ATRACE_CALL(); 1761 NotificationListener *listener; 1762 { 1763 Mutex::Autolock l(mOutputLock); 1764 listener = mListener; 1765 } 1766 1767 if (msg == NULL) { 1768 SET_ERR("HAL sent NULL notify message!"); 1769 return; 1770 } 1771 1772 switch (msg->type) { 1773 case CAMERA3_MSG_ERROR: { 1774 int streamId = 0; 1775 if (msg->message.error.error_stream != NULL) { 1776 Camera3Stream *stream = 1777 Camera3Stream::cast( 1778 msg->message.error.error_stream); 1779 streamId = stream->getId(); 1780 } 1781 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 1782 mId, __FUNCTION__, msg->message.error.frame_number, 1783 streamId, msg->message.error.error_code); 1784 1785 // Set request error status for the request in the in-flight tracking 1786 { 1787 Mutex::Autolock l(mInFlightLock); 1788 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 1789 if (idx >= 0) { 1790 mInFlightMap.editValueAt(idx).requestStatus = msg->message.error.error_code; 1791 } 1792 } 1793 1794 if (listener != NULL) { 1795 listener->notifyError(msg->message.error.error_code, 1796 msg->message.error.frame_number, streamId); 1797 } 1798 break; 1799 } 1800 case CAMERA3_MSG_SHUTTER: { 1801 ssize_t idx; 1802 uint32_t frameNumber = msg->message.shutter.frame_number; 1803 nsecs_t timestamp = msg->message.shutter.timestamp; 1804 // Verify ordering of shutter notifications 1805 { 1806 Mutex::Autolock l(mOutputLock); 1807 if (frameNumber != mNextShutterFrameNumber) { 1808 SET_ERR("Shutter notification out-of-order. Expected " 1809 "notification for frame %d, got frame %d", 1810 mNextShutterFrameNumber, frameNumber); 1811 break; 1812 } 1813 mNextShutterFrameNumber++; 1814 } 1815 1816 int32_t requestId = -1; 1817 1818 // Set timestamp for the request in the in-flight tracking 1819 // and get the request ID to send upstream 1820 { 1821 Mutex::Autolock l(mInFlightLock); 1822 idx = mInFlightMap.indexOfKey(frameNumber); 1823 if (idx >= 0) { 1824 InFlightRequest &r = mInFlightMap.editValueAt(idx); 1825 r.captureTimestamp = timestamp; 1826 requestId = r.requestId; 1827 } 1828 } 1829 if (idx < 0) { 1830 SET_ERR("Shutter notification for non-existent frame number %d", 1831 frameNumber); 1832 break; 1833 } 1834 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %lld", 1835 mId, __FUNCTION__, frameNumber, requestId, timestamp); 1836 // Call listener, if any 1837 if (listener != NULL) { 1838 listener->notifyShutter(requestId, timestamp); 1839 } 1840 break; 1841 } 1842 default: 1843 SET_ERR("Unknown notify message from HAL: %d", 1844 msg->type); 1845 } 1846} 1847 1848CameraMetadata Camera3Device::getLatestRequestLocked() { 1849 ALOGV("%s", __FUNCTION__); 1850 1851 CameraMetadata retVal; 1852 1853 if (mRequestThread != NULL) { 1854 retVal = mRequestThread->getLatestRequest(); 1855 } 1856 1857 return retVal; 1858} 1859 1860/** 1861 * RequestThread inner class methods 1862 */ 1863 1864Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 1865 sp<StatusTracker> statusTracker, 1866 camera3_device_t *hal3Device) : 1867 Thread(false), 1868 mParent(parent), 1869 mStatusTracker(statusTracker), 1870 mHal3Device(hal3Device), 1871 mId(getId(parent)), 1872 mReconfigured(false), 1873 mDoPause(false), 1874 mPaused(true), 1875 mFrameNumber(0), 1876 mLatestRequestId(NAME_NOT_FOUND) { 1877 mStatusId = statusTracker->addComponent(); 1878} 1879 1880void Camera3Device::RequestThread::configurationComplete() { 1881 Mutex::Autolock l(mRequestLock); 1882 mReconfigured = true; 1883} 1884 1885status_t Camera3Device::RequestThread::queueRequest( 1886 sp<CaptureRequest> request) { 1887 Mutex::Autolock l(mRequestLock); 1888 mRequestQueue.push_back(request); 1889 1890 unpauseForNewRequests(); 1891 1892 return OK; 1893} 1894 1895 1896status_t Camera3Device::RequestThread::queueTrigger( 1897 RequestTrigger trigger[], 1898 size_t count) { 1899 1900 Mutex::Autolock l(mTriggerMutex); 1901 status_t ret; 1902 1903 for (size_t i = 0; i < count; ++i) { 1904 ret = queueTriggerLocked(trigger[i]); 1905 1906 if (ret != OK) { 1907 return ret; 1908 } 1909 } 1910 1911 return OK; 1912} 1913 1914int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 1915 sp<Camera3Device> d = device.promote(); 1916 if (d != NULL) return d->mId; 1917 return 0; 1918} 1919 1920status_t Camera3Device::RequestThread::queueTriggerLocked( 1921 RequestTrigger trigger) { 1922 1923 uint32_t tag = trigger.metadataTag; 1924 ssize_t index = mTriggerMap.indexOfKey(tag); 1925 1926 switch (trigger.getTagType()) { 1927 case TYPE_BYTE: 1928 // fall-through 1929 case TYPE_INT32: 1930 break; 1931 default: 1932 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 1933 trigger.getTagType()); 1934 return INVALID_OPERATION; 1935 } 1936 1937 /** 1938 * Collect only the latest trigger, since we only have 1 field 1939 * in the request settings per trigger tag, and can't send more than 1 1940 * trigger per request. 1941 */ 1942 if (index != NAME_NOT_FOUND) { 1943 mTriggerMap.editValueAt(index) = trigger; 1944 } else { 1945 mTriggerMap.add(tag, trigger); 1946 } 1947 1948 return OK; 1949} 1950 1951status_t Camera3Device::RequestThread::setRepeatingRequests( 1952 const RequestList &requests) { 1953 Mutex::Autolock l(mRequestLock); 1954 mRepeatingRequests.clear(); 1955 mRepeatingRequests.insert(mRepeatingRequests.begin(), 1956 requests.begin(), requests.end()); 1957 1958 unpauseForNewRequests(); 1959 1960 return OK; 1961} 1962 1963status_t Camera3Device::RequestThread::clearRepeatingRequests() { 1964 Mutex::Autolock l(mRequestLock); 1965 mRepeatingRequests.clear(); 1966 return OK; 1967} 1968 1969status_t Camera3Device::RequestThread::clear() { 1970 Mutex::Autolock l(mRequestLock); 1971 mRepeatingRequests.clear(); 1972 mRequestQueue.clear(); 1973 mTriggerMap.clear(); 1974 return OK; 1975} 1976 1977void Camera3Device::RequestThread::setPaused(bool paused) { 1978 Mutex::Autolock l(mPauseLock); 1979 mDoPause = paused; 1980 mDoPauseSignal.signal(); 1981} 1982 1983status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 1984 int32_t requestId, nsecs_t timeout) { 1985 Mutex::Autolock l(mLatestRequestMutex); 1986 status_t res; 1987 while (mLatestRequestId != requestId) { 1988 nsecs_t startTime = systemTime(); 1989 1990 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 1991 if (res != OK) return res; 1992 1993 timeout -= (systemTime() - startTime); 1994 } 1995 1996 return OK; 1997} 1998 1999void Camera3Device::RequestThread::requestExit() { 2000 // Call parent to set up shutdown 2001 Thread::requestExit(); 2002 // The exit from any possible waits 2003 mDoPauseSignal.signal(); 2004 mRequestSignal.signal(); 2005} 2006 2007bool Camera3Device::RequestThread::threadLoop() { 2008 2009 status_t res; 2010 2011 // Handle paused state. 2012 if (waitIfPaused()) { 2013 return true; 2014 } 2015 2016 // Get work to do 2017 2018 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2019 if (nextRequest == NULL) { 2020 return true; 2021 } 2022 2023 // Create request to HAL 2024 camera3_capture_request_t request = camera3_capture_request_t(); 2025 Vector<camera3_stream_buffer_t> outputBuffers; 2026 2027 // Get the request ID, if any 2028 int requestId; 2029 camera_metadata_entry_t requestIdEntry = 2030 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2031 if (requestIdEntry.count > 0) { 2032 requestId = requestIdEntry.data.i32[0]; 2033 } else { 2034 ALOGW("%s: Did not have android.request.id set in the request", 2035 __FUNCTION__); 2036 requestId = NAME_NOT_FOUND; 2037 } 2038 2039 // Insert any queued triggers (before metadata is locked) 2040 int32_t triggerCount; 2041 res = insertTriggers(nextRequest); 2042 if (res < 0) { 2043 SET_ERR("RequestThread: Unable to insert triggers " 2044 "(capture request %d, HAL device: %s (%d)", 2045 (mFrameNumber+1), strerror(-res), res); 2046 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2047 return false; 2048 } 2049 triggerCount = res; 2050 2051 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2052 2053 // If the request is the same as last, or we had triggers last time 2054 if (mPrevRequest != nextRequest || triggersMixedIn) { 2055 /** 2056 * HAL workaround: 2057 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2058 */ 2059 res = addDummyTriggerIds(nextRequest); 2060 if (res != OK) { 2061 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2062 "(capture request %d, HAL device: %s (%d)", 2063 (mFrameNumber+1), strerror(-res), res); 2064 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2065 return false; 2066 } 2067 2068 /** 2069 * The request should be presorted so accesses in HAL 2070 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2071 */ 2072 nextRequest->mSettings.sort(); 2073 request.settings = nextRequest->mSettings.getAndLock(); 2074 mPrevRequest = nextRequest; 2075 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2076 2077 IF_ALOGV() { 2078 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2079 find_camera_metadata_ro_entry( 2080 request.settings, 2081 ANDROID_CONTROL_AF_TRIGGER, 2082 &e 2083 ); 2084 if (e.count > 0) { 2085 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2086 __FUNCTION__, 2087 mFrameNumber+1, 2088 e.data.u8[0]); 2089 } 2090 } 2091 } else { 2092 // leave request.settings NULL to indicate 'reuse latest given' 2093 ALOGVV("%s: Request settings are REUSED", 2094 __FUNCTION__); 2095 } 2096 2097 camera3_stream_buffer_t inputBuffer; 2098 2099 // Fill in buffers 2100 2101 if (nextRequest->mInputStream != NULL) { 2102 request.input_buffer = &inputBuffer; 2103 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2104 if (res != OK) { 2105 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2106 " %s (%d)", strerror(-res), res); 2107 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2108 return true; 2109 } 2110 } else { 2111 request.input_buffer = NULL; 2112 } 2113 2114 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2115 nextRequest->mOutputStreams.size()); 2116 request.output_buffers = outputBuffers.array(); 2117 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2118 res = nextRequest->mOutputStreams.editItemAt(i)-> 2119 getBuffer(&outputBuffers.editItemAt(i)); 2120 if (res != OK) { 2121 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2122 " %s (%d)", strerror(-res), res); 2123 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2124 return true; 2125 } 2126 request.num_output_buffers++; 2127 } 2128 2129 request.frame_number = mFrameNumber++; 2130 2131 // Log request in the in-flight queue 2132 sp<Camera3Device> parent = mParent.promote(); 2133 if (parent == NULL) { 2134 CLOGE("RequestThread: Parent is gone"); 2135 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2136 return false; 2137 } 2138 2139 res = parent->registerInFlight(request.frame_number, requestId, 2140 request.num_output_buffers); 2141 if (res != OK) { 2142 SET_ERR("RequestThread: Unable to register new in-flight request:" 2143 " %s (%d)", strerror(-res), res); 2144 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2145 return false; 2146 } 2147 2148 // Inform waitUntilRequestProcessed thread of a new request ID 2149 { 2150 Mutex::Autolock al(mLatestRequestMutex); 2151 2152 mLatestRequestId = requestId; 2153 mLatestRequestSignal.signal(); 2154 } 2155 2156 // Submit request and block until ready for next one 2157 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2158 ATRACE_BEGIN("camera3->process_capture_request"); 2159 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2160 ATRACE_END(); 2161 2162 if (res != OK) { 2163 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2164 " device: %s (%d)", request.frame_number, strerror(-res), res); 2165 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2166 return false; 2167 } 2168 2169 // Update the latest request sent to HAL 2170 if (request.settings != NULL) { // Don't update them if they were unchanged 2171 Mutex::Autolock al(mLatestRequestMutex); 2172 2173 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2174 mLatestRequest.acquire(cloned); 2175 } 2176 2177 if (request.settings != NULL) { 2178 nextRequest->mSettings.unlock(request.settings); 2179 } 2180 2181 // Remove any previously queued triggers (after unlock) 2182 res = removeTriggers(mPrevRequest); 2183 if (res != OK) { 2184 SET_ERR("RequestThread: Unable to remove triggers " 2185 "(capture request %d, HAL device: %s (%d)", 2186 request.frame_number, strerror(-res), res); 2187 return false; 2188 } 2189 mPrevTriggers = triggerCount; 2190 2191 // Return input buffer back to framework 2192 if (request.input_buffer != NULL) { 2193 Camera3Stream *stream = 2194 Camera3Stream::cast(request.input_buffer->stream); 2195 res = stream->returnInputBuffer(*(request.input_buffer)); 2196 // Note: stream may be deallocated at this point, if this buffer was the 2197 // last reference to it. 2198 if (res != OK) { 2199 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 2200 " its stream:%s (%d)", __FUNCTION__, 2201 request.frame_number, strerror(-res), res); 2202 // TODO: Report error upstream 2203 } 2204 } 2205 2206 return true; 2207} 2208 2209CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2210 Mutex::Autolock al(mLatestRequestMutex); 2211 2212 ALOGV("RequestThread::%s", __FUNCTION__); 2213 2214 return mLatestRequest; 2215} 2216 2217void Camera3Device::RequestThread::cleanUpFailedRequest( 2218 camera3_capture_request_t &request, 2219 sp<CaptureRequest> &nextRequest, 2220 Vector<camera3_stream_buffer_t> &outputBuffers) { 2221 2222 if (request.settings != NULL) { 2223 nextRequest->mSettings.unlock(request.settings); 2224 } 2225 if (request.input_buffer != NULL) { 2226 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2227 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2228 } 2229 for (size_t i = 0; i < request.num_output_buffers; i++) { 2230 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2231 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2232 outputBuffers[i], 0); 2233 } 2234} 2235 2236sp<Camera3Device::CaptureRequest> 2237 Camera3Device::RequestThread::waitForNextRequest() { 2238 status_t res; 2239 sp<CaptureRequest> nextRequest; 2240 2241 // Optimized a bit for the simple steady-state case (single repeating 2242 // request), to avoid putting that request in the queue temporarily. 2243 Mutex::Autolock l(mRequestLock); 2244 2245 while (mRequestQueue.empty()) { 2246 if (!mRepeatingRequests.empty()) { 2247 // Always atomically enqueue all requests in a repeating request 2248 // list. Guarantees a complete in-sequence set of captures to 2249 // application. 2250 const RequestList &requests = mRepeatingRequests; 2251 RequestList::const_iterator firstRequest = 2252 requests.begin(); 2253 nextRequest = *firstRequest; 2254 mRequestQueue.insert(mRequestQueue.end(), 2255 ++firstRequest, 2256 requests.end()); 2257 // No need to wait any longer 2258 break; 2259 } 2260 2261 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2262 2263 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2264 exitPending()) { 2265 Mutex::Autolock pl(mPauseLock); 2266 if (mPaused == false) { 2267 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2268 mPaused = true; 2269 // Let the tracker know 2270 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2271 if (statusTracker != 0) { 2272 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2273 } 2274 } 2275 // Stop waiting for now and let thread management happen 2276 return NULL; 2277 } 2278 } 2279 2280 if (nextRequest == NULL) { 2281 // Don't have a repeating request already in hand, so queue 2282 // must have an entry now. 2283 RequestList::iterator firstRequest = 2284 mRequestQueue.begin(); 2285 nextRequest = *firstRequest; 2286 mRequestQueue.erase(firstRequest); 2287 } 2288 2289 // In case we've been unpaused by setPaused clearing mDoPause, need to 2290 // update internal pause state (capture/setRepeatingRequest unpause 2291 // directly). 2292 Mutex::Autolock pl(mPauseLock); 2293 if (mPaused) { 2294 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2295 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2296 if (statusTracker != 0) { 2297 statusTracker->markComponentActive(mStatusId); 2298 } 2299 } 2300 mPaused = false; 2301 2302 // Check if we've reconfigured since last time, and reset the preview 2303 // request if so. Can't use 'NULL request == repeat' across configure calls. 2304 if (mReconfigured) { 2305 mPrevRequest.clear(); 2306 mReconfigured = false; 2307 } 2308 2309 return nextRequest; 2310} 2311 2312bool Camera3Device::RequestThread::waitIfPaused() { 2313 status_t res; 2314 Mutex::Autolock l(mPauseLock); 2315 while (mDoPause) { 2316 if (mPaused == false) { 2317 mPaused = true; 2318 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2319 // Let the tracker know 2320 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2321 if (statusTracker != 0) { 2322 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2323 } 2324 } 2325 2326 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2327 if (res == TIMED_OUT || exitPending()) { 2328 return true; 2329 } 2330 } 2331 // We don't set mPaused to false here, because waitForNextRequest needs 2332 // to further manage the paused state in case of starvation. 2333 return false; 2334} 2335 2336void Camera3Device::RequestThread::unpauseForNewRequests() { 2337 // With work to do, mark thread as unpaused. 2338 // If paused by request (setPaused), don't resume, to avoid 2339 // extra signaling/waiting overhead to waitUntilPaused 2340 mRequestSignal.signal(); 2341 Mutex::Autolock p(mPauseLock); 2342 if (!mDoPause) { 2343 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2344 if (mPaused) { 2345 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2346 if (statusTracker != 0) { 2347 statusTracker->markComponentActive(mStatusId); 2348 } 2349 } 2350 mPaused = false; 2351 } 2352} 2353 2354void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2355 sp<Camera3Device> parent = mParent.promote(); 2356 if (parent != NULL) { 2357 va_list args; 2358 va_start(args, fmt); 2359 2360 parent->setErrorStateV(fmt, args); 2361 2362 va_end(args); 2363 } 2364} 2365 2366status_t Camera3Device::RequestThread::insertTriggers( 2367 const sp<CaptureRequest> &request) { 2368 2369 Mutex::Autolock al(mTriggerMutex); 2370 2371 CameraMetadata &metadata = request->mSettings; 2372 size_t count = mTriggerMap.size(); 2373 2374 for (size_t i = 0; i < count; ++i) { 2375 RequestTrigger trigger = mTriggerMap.valueAt(i); 2376 2377 uint32_t tag = trigger.metadataTag; 2378 camera_metadata_entry entry = metadata.find(tag); 2379 2380 if (entry.count > 0) { 2381 /** 2382 * Already has an entry for this trigger in the request. 2383 * Rewrite it with our requested trigger value. 2384 */ 2385 RequestTrigger oldTrigger = trigger; 2386 2387 oldTrigger.entryValue = entry.data.u8[0]; 2388 2389 mTriggerReplacedMap.add(tag, oldTrigger); 2390 } else { 2391 /** 2392 * More typical, no trigger entry, so we just add it 2393 */ 2394 mTriggerRemovedMap.add(tag, trigger); 2395 } 2396 2397 status_t res; 2398 2399 switch (trigger.getTagType()) { 2400 case TYPE_BYTE: { 2401 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2402 res = metadata.update(tag, 2403 &entryValue, 2404 /*count*/1); 2405 break; 2406 } 2407 case TYPE_INT32: 2408 res = metadata.update(tag, 2409 &trigger.entryValue, 2410 /*count*/1); 2411 break; 2412 default: 2413 ALOGE("%s: Type not supported: 0x%x", 2414 __FUNCTION__, 2415 trigger.getTagType()); 2416 return INVALID_OPERATION; 2417 } 2418 2419 if (res != OK) { 2420 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2421 ", value %d", __FUNCTION__, trigger.getTagName(), 2422 trigger.entryValue); 2423 return res; 2424 } 2425 2426 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2427 trigger.getTagName(), 2428 trigger.entryValue); 2429 } 2430 2431 mTriggerMap.clear(); 2432 2433 return count; 2434} 2435 2436status_t Camera3Device::RequestThread::removeTriggers( 2437 const sp<CaptureRequest> &request) { 2438 Mutex::Autolock al(mTriggerMutex); 2439 2440 CameraMetadata &metadata = request->mSettings; 2441 2442 /** 2443 * Replace all old entries with their old values. 2444 */ 2445 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2446 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2447 2448 status_t res; 2449 2450 uint32_t tag = trigger.metadataTag; 2451 switch (trigger.getTagType()) { 2452 case TYPE_BYTE: { 2453 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2454 res = metadata.update(tag, 2455 &entryValue, 2456 /*count*/1); 2457 break; 2458 } 2459 case TYPE_INT32: 2460 res = metadata.update(tag, 2461 &trigger.entryValue, 2462 /*count*/1); 2463 break; 2464 default: 2465 ALOGE("%s: Type not supported: 0x%x", 2466 __FUNCTION__, 2467 trigger.getTagType()); 2468 return INVALID_OPERATION; 2469 } 2470 2471 if (res != OK) { 2472 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2473 ", trigger value %d", __FUNCTION__, 2474 trigger.getTagName(), trigger.entryValue); 2475 return res; 2476 } 2477 } 2478 mTriggerReplacedMap.clear(); 2479 2480 /** 2481 * Remove all new entries. 2482 */ 2483 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2484 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2485 status_t res = metadata.erase(trigger.metadataTag); 2486 2487 if (res != OK) { 2488 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2489 ", trigger value %d", __FUNCTION__, 2490 trigger.getTagName(), trigger.entryValue); 2491 return res; 2492 } 2493 } 2494 mTriggerRemovedMap.clear(); 2495 2496 return OK; 2497} 2498 2499status_t Camera3Device::RequestThread::addDummyTriggerIds( 2500 const sp<CaptureRequest> &request) { 2501 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2502 static const int32_t dummyTriggerId = 1; 2503 status_t res; 2504 2505 CameraMetadata &metadata = request->mSettings; 2506 2507 // If AF trigger is active, insert a dummy AF trigger ID if none already 2508 // exists 2509 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2510 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2511 if (afTrigger.count > 0 && 2512 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2513 afId.count == 0) { 2514 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2515 if (res != OK) return res; 2516 } 2517 2518 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2519 // if none already exists 2520 camera_metadata_entry pcTrigger = 2521 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2522 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2523 if (pcTrigger.count > 0 && 2524 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2525 pcId.count == 0) { 2526 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2527 &dummyTriggerId, 1); 2528 if (res != OK) return res; 2529 } 2530 2531 return OK; 2532} 2533 2534 2535/** 2536 * Static callback forwarding methods from HAL to instance 2537 */ 2538 2539void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2540 const camera3_capture_result *result) { 2541 Camera3Device *d = 2542 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2543 d->processCaptureResult(result); 2544} 2545 2546void Camera3Device::sNotify(const camera3_callback_ops *cb, 2547 const camera3_notify_msg *msg) { 2548 Camera3Device *d = 2549 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2550 d->notify(msg); 2551} 2552 2553}; // namespace android 2554