Camera2Client.cpp revision 6551e1ede59f4a3043fb141159ca67bd2c85a911
1/* 2 * Copyright (C) 2012 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#define LOG_TAG "Camera2Client" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20 21#include <inttypes.h> 22#include <utils/Log.h> 23#include <utils/Trace.h> 24 25#include <cutils/properties.h> 26#include <gui/Surface.h> 27 28#include "api1/Camera2Client.h" 29 30#include "api1/client2/StreamingProcessor.h" 31#include "api1/client2/JpegProcessor.h" 32#include "api1/client2/CaptureSequencer.h" 33#include "api1/client2/CallbackProcessor.h" 34#include "api1/client2/ZslProcessor.h" 35#include "api1/client2/ZslProcessor3.h" 36 37#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 38#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 39 40namespace android { 41using namespace camera2; 42 43static int getCallingPid() { 44 return IPCThreadState::self()->getCallingPid(); 45} 46 47// Interface used by CameraService 48 49Camera2Client::Camera2Client(const sp<CameraService>& cameraService, 50 const sp<ICameraClient>& cameraClient, 51 const String16& clientPackageName, 52 int cameraId, 53 int cameraFacing, 54 int clientPid, 55 uid_t clientUid, 56 int servicePid, 57 bool legacyMode): 58 Camera2ClientBase(cameraService, cameraClient, clientPackageName, 59 cameraId, cameraFacing, clientPid, clientUid, servicePid), 60 mParameters(cameraId, cameraFacing) 61{ 62 ATRACE_CALL(); 63 64 SharedParameters::Lock l(mParameters); 65 l.mParameters.state = Parameters::DISCONNECTED; 66 67 mLegacyMode = legacyMode; 68} 69 70status_t Camera2Client::initialize(camera_module_t *module) 71{ 72 ATRACE_CALL(); 73 ALOGV("%s: Initializing client for camera %d", __FUNCTION__, mCameraId); 74 status_t res; 75 76 res = Camera2ClientBase::initialize(module); 77 if (res != OK) { 78 return res; 79 } 80 81 { 82 SharedParameters::Lock l(mParameters); 83 84 res = l.mParameters.initialize(&(mDevice->info()), mDeviceVersion); 85 if (res != OK) { 86 ALOGE("%s: Camera %d: unable to build defaults: %s (%d)", 87 __FUNCTION__, mCameraId, strerror(-res), res); 88 return NO_INIT; 89 } 90 } 91 92 String8 threadName; 93 94 mStreamingProcessor = new StreamingProcessor(this); 95 threadName = String8::format("C2-%d-StreamProc", 96 mCameraId); 97 mStreamingProcessor->run(threadName.string()); 98 99 mFrameProcessor = new FrameProcessor(mDevice, this); 100 threadName = String8::format("C2-%d-FrameProc", 101 mCameraId); 102 mFrameProcessor->run(threadName.string()); 103 104 mCaptureSequencer = new CaptureSequencer(this); 105 threadName = String8::format("C2-%d-CaptureSeq", 106 mCameraId); 107 mCaptureSequencer->run(threadName.string()); 108 109 mJpegProcessor = new JpegProcessor(this, mCaptureSequencer); 110 threadName = String8::format("C2-%d-JpegProc", 111 mCameraId); 112 mJpegProcessor->run(threadName.string()); 113 114 switch (mDeviceVersion) { 115 case CAMERA_DEVICE_API_VERSION_2_0: { 116 sp<ZslProcessor> zslProc = 117 new ZslProcessor(this, mCaptureSequencer); 118 mZslProcessor = zslProc; 119 mZslProcessorThread = zslProc; 120 break; 121 } 122 case CAMERA_DEVICE_API_VERSION_3_0: 123 case CAMERA_DEVICE_API_VERSION_3_1: 124 case CAMERA_DEVICE_API_VERSION_3_2: { 125 sp<ZslProcessor3> zslProc = 126 new ZslProcessor3(this, mCaptureSequencer); 127 mZslProcessor = zslProc; 128 mZslProcessorThread = zslProc; 129 break; 130 } 131 default: 132 break; 133 } 134 threadName = String8::format("C2-%d-ZslProc", 135 mCameraId); 136 mZslProcessorThread->run(threadName.string()); 137 138 mCallbackProcessor = new CallbackProcessor(this); 139 threadName = String8::format("C2-%d-CallbkProc", 140 mCameraId); 141 mCallbackProcessor->run(threadName.string()); 142 143 if (gLogLevel >= 1) { 144 SharedParameters::Lock l(mParameters); 145 ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__, 146 mCameraId); 147 ALOGD("%s", l.mParameters.paramsFlattened.string()); 148 } 149 150 return OK; 151} 152 153Camera2Client::~Camera2Client() { 154 ATRACE_CALL(); 155 ALOGV("~Camera2Client"); 156 157 mDestructionStarted = true; 158 159 disconnect(); 160 161 ALOGI("Camera %d: Closed", mCameraId); 162} 163 164status_t Camera2Client::dump(int fd, const Vector<String16>& args) { 165 String8 result; 166 result.appendFormat("Client2[%d] (%p) Client: %s PID: %d, dump:\n", 167 mCameraId, 168 getRemoteCallback()->asBinder().get(), 169 String8(mClientPackageName).string(), 170 mClientPid); 171 result.append(" State: "); 172#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break; 173 174 const Parameters& p = mParameters.unsafeAccess(); 175 176 result.append(Parameters::getStateName(p.state)); 177 178 result.append("\n Current parameters:\n"); 179 result.appendFormat(" Preview size: %d x %d\n", 180 p.previewWidth, p.previewHeight); 181 result.appendFormat(" Preview FPS range: %d - %d\n", 182 p.previewFpsRange[0], p.previewFpsRange[1]); 183 result.appendFormat(" Preview HAL pixel format: 0x%x\n", 184 p.previewFormat); 185 result.appendFormat(" Preview transform: %x\n", 186 p.previewTransform); 187 result.appendFormat(" Picture size: %d x %d\n", 188 p.pictureWidth, p.pictureHeight); 189 result.appendFormat(" Jpeg thumbnail size: %d x %d\n", 190 p.jpegThumbSize[0], p.jpegThumbSize[1]); 191 result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n", 192 p.jpegQuality, p.jpegThumbQuality); 193 result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation); 194 result.appendFormat(" GPS tags %s\n", 195 p.gpsEnabled ? "enabled" : "disabled"); 196 if (p.gpsEnabled) { 197 result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n", 198 p.gpsCoordinates[0], p.gpsCoordinates[1], 199 p.gpsCoordinates[2]); 200 result.appendFormat(" GPS timestamp: %" PRId64 "\n", 201 p.gpsTimestamp); 202 result.appendFormat(" GPS processing method: %s\n", 203 p.gpsProcessingMethod.string()); 204 } 205 206 result.append(" White balance mode: "); 207 switch (p.wbMode) { 208 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_AUTO) 209 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_INCANDESCENT) 210 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_FLUORESCENT) 211 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT) 212 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_DAYLIGHT) 213 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT) 214 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_TWILIGHT) 215 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_SHADE) 216 default: result.append("UNKNOWN\n"); 217 } 218 219 result.append(" Effect mode: "); 220 switch (p.effectMode) { 221 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_OFF) 222 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_MONO) 223 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_NEGATIVE) 224 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SOLARIZE) 225 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SEPIA) 226 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_POSTERIZE) 227 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD) 228 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD) 229 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_AQUA) 230 default: result.append("UNKNOWN\n"); 231 } 232 233 result.append(" Antibanding mode: "); 234 switch (p.antibandingMode) { 235 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO) 236 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF) 237 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ) 238 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ) 239 default: result.append("UNKNOWN\n"); 240 } 241 242 result.append(" Scene mode: "); 243 switch (p.sceneMode) { 244 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 245 result.append("AUTO\n"); break; 246 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION) 247 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT) 248 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE) 249 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT) 250 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT) 251 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE) 252 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH) 253 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW) 254 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET) 255 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO) 256 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS) 257 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS) 258 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY) 259 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT) 260 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE) 261 default: result.append("UNKNOWN\n"); 262 } 263 264 result.append(" Flash mode: "); 265 switch (p.flashMode) { 266 CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF) 267 CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO) 268 CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON) 269 CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH) 270 CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE) 271 CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID) 272 default: result.append("UNKNOWN\n"); 273 } 274 275 result.append(" Focus mode: "); 276 switch (p.focusMode) { 277 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO) 278 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO) 279 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) 280 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE) 281 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF) 282 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY) 283 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED) 284 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID) 285 default: result.append("UNKNOWN\n"); 286 } 287 288 result.append(" Focus state: "); 289 switch (p.focusState) { 290 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_INACTIVE) 291 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN) 292 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED) 293 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED) 294 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN) 295 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED) 296 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED) 297 default: result.append("UNKNOWN\n"); 298 } 299 300 result.append(" Focusing areas:\n"); 301 for (size_t i = 0; i < p.focusingAreas.size(); i++) { 302 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 303 p.focusingAreas[i].left, 304 p.focusingAreas[i].top, 305 p.focusingAreas[i].right, 306 p.focusingAreas[i].bottom, 307 p.focusingAreas[i].weight); 308 } 309 310 result.appendFormat(" Exposure compensation index: %d\n", 311 p.exposureCompensation); 312 313 result.appendFormat(" AE lock %s, AWB lock %s\n", 314 p.autoExposureLock ? "enabled" : "disabled", 315 p.autoWhiteBalanceLock ? "enabled" : "disabled" ); 316 317 result.appendFormat(" Metering areas:\n"); 318 for (size_t i = 0; i < p.meteringAreas.size(); i++) { 319 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 320 p.meteringAreas[i].left, 321 p.meteringAreas[i].top, 322 p.meteringAreas[i].right, 323 p.meteringAreas[i].bottom, 324 p.meteringAreas[i].weight); 325 } 326 327 result.appendFormat(" Zoom index: %d\n", p.zoom); 328 result.appendFormat(" Video size: %d x %d\n", p.videoWidth, 329 p.videoHeight); 330 331 result.appendFormat(" Recording hint is %s\n", 332 p.recordingHint ? "set" : "not set"); 333 334 result.appendFormat(" Video stabilization is %s\n", 335 p.videoStabilization ? "enabled" : "disabled"); 336 337 result.appendFormat(" Selected still capture FPS range: %d - %d\n", 338 p.fastInfo.bestStillCaptureFpsRange[0], 339 p.fastInfo.bestStillCaptureFpsRange[1]); 340 341 result.append(" Current streams:\n"); 342 result.appendFormat(" Preview stream ID: %d\n", 343 getPreviewStreamId()); 344 result.appendFormat(" Capture stream ID: %d\n", 345 getCaptureStreamId()); 346 result.appendFormat(" Recording stream ID: %d\n", 347 getRecordingStreamId()); 348 349 result.append(" Quirks for this camera:\n"); 350 bool haveQuirk = false; 351 if (p.quirks.triggerAfWithAuto) { 352 result.appendFormat(" triggerAfWithAuto\n"); 353 haveQuirk = true; 354 } 355 if (p.quirks.useZslFormat) { 356 result.appendFormat(" useZslFormat\n"); 357 haveQuirk = true; 358 } 359 if (p.quirks.meteringCropRegion) { 360 result.appendFormat(" meteringCropRegion\n"); 361 haveQuirk = true; 362 } 363 if (p.quirks.partialResults) { 364 result.appendFormat(" usePartialResult\n"); 365 haveQuirk = true; 366 } 367 if (!haveQuirk) { 368 result.appendFormat(" none\n"); 369 } 370 371 write(fd, result.string(), result.size()); 372 373 mStreamingProcessor->dump(fd, args); 374 375 mCaptureSequencer->dump(fd, args); 376 377 mFrameProcessor->dump(fd, args); 378 379 mZslProcessor->dump(fd, args); 380 381 return dumpDevice(fd, args); 382#undef CASE_APPEND_ENUM 383} 384 385// ICamera interface 386 387void Camera2Client::disconnect() { 388 ATRACE_CALL(); 389 Mutex::Autolock icl(mBinderSerializationLock); 390 391 // Allow both client and the media server to disconnect at all times 392 int callingPid = getCallingPid(); 393 if (callingPid != mClientPid && callingPid != mServicePid) return; 394 395 if (mDevice == 0) return; 396 397 ALOGV("Camera %d: Shutting down", mCameraId); 398 399 /** 400 * disconnect() cannot call any methods that might need to promote a 401 * wp<Camera2Client>, since disconnect can be called from the destructor, at 402 * which point all such promotions will fail. 403 */ 404 405 stopPreviewL(); 406 407 { 408 SharedParameters::Lock l(mParameters); 409 if (l.mParameters.state == Parameters::DISCONNECTED) return; 410 l.mParameters.state = Parameters::DISCONNECTED; 411 } 412 413 mStreamingProcessor->requestExit(); 414 mFrameProcessor->requestExit(); 415 mCaptureSequencer->requestExit(); 416 mJpegProcessor->requestExit(); 417 mZslProcessorThread->requestExit(); 418 mCallbackProcessor->requestExit(); 419 420 ALOGV("Camera %d: Waiting for threads", mCameraId); 421 422 mStreamingProcessor->join(); 423 mFrameProcessor->join(); 424 mCaptureSequencer->join(); 425 mJpegProcessor->join(); 426 mZslProcessorThread->join(); 427 mCallbackProcessor->join(); 428 429 ALOGV("Camera %d: Deleting streams", mCameraId); 430 431 mStreamingProcessor->deletePreviewStream(); 432 mStreamingProcessor->deleteRecordingStream(); 433 mJpegProcessor->deleteStream(); 434 mCallbackProcessor->deleteStream(); 435 mZslProcessor->deleteStream(); 436 437 // Remove all ZSL stream state before disconnect; needed to work around b/15408128. 438 mZslProcessor->disconnect(); 439 440 ALOGV("Camera %d: Disconnecting device", mCameraId); 441 442 mDevice->disconnect(); 443 444 mDevice.clear(); 445 446 CameraService::Client::disconnect(); 447} 448 449status_t Camera2Client::connect(const sp<ICameraClient>& client) { 450 ATRACE_CALL(); 451 ALOGV("%s: E", __FUNCTION__); 452 Mutex::Autolock icl(mBinderSerializationLock); 453 454 if (mClientPid != 0 && getCallingPid() != mClientPid) { 455 ALOGE("%s: Camera %d: Connection attempt from pid %d; " 456 "current locked to pid %d", __FUNCTION__, 457 mCameraId, getCallingPid(), mClientPid); 458 return BAD_VALUE; 459 } 460 461 mClientPid = getCallingPid(); 462 463 mRemoteCallback = client; 464 mSharedCameraCallbacks = client; 465 466 return OK; 467} 468 469status_t Camera2Client::lock() { 470 ATRACE_CALL(); 471 ALOGV("%s: E", __FUNCTION__); 472 Mutex::Autolock icl(mBinderSerializationLock); 473 ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d", 474 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 475 476 if (mClientPid == 0) { 477 mClientPid = getCallingPid(); 478 return OK; 479 } 480 481 if (mClientPid != getCallingPid()) { 482 ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d", 483 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 484 return EBUSY; 485 } 486 487 return OK; 488} 489 490status_t Camera2Client::unlock() { 491 ATRACE_CALL(); 492 ALOGV("%s: E", __FUNCTION__); 493 Mutex::Autolock icl(mBinderSerializationLock); 494 ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d", 495 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 496 497 if (mClientPid == getCallingPid()) { 498 SharedParameters::Lock l(mParameters); 499 if (l.mParameters.state == Parameters::RECORD || 500 l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 501 ALOGD("Not allowed to unlock camera during recording."); 502 return INVALID_OPERATION; 503 } 504 mClientPid = 0; 505 mRemoteCallback.clear(); 506 mSharedCameraCallbacks.clear(); 507 return OK; 508 } 509 510 ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d", 511 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 512 return EBUSY; 513} 514 515status_t Camera2Client::setPreviewTarget( 516 const sp<IGraphicBufferProducer>& bufferProducer) { 517 ATRACE_CALL(); 518 ALOGV("%s: E", __FUNCTION__); 519 Mutex::Autolock icl(mBinderSerializationLock); 520 status_t res; 521 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 522 523 sp<IBinder> binder; 524 sp<ANativeWindow> window; 525 if (bufferProducer != 0) { 526 binder = bufferProducer->asBinder(); 527 // Using controlledByApp flag to ensure that the buffer queue remains in 528 // async mode for the old camera API, where many applications depend 529 // on that behavior. 530 window = new Surface(bufferProducer, /*controlledByApp*/ true); 531 } 532 return setPreviewWindowL(binder, window); 533} 534 535status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder, 536 sp<ANativeWindow> window) { 537 ATRACE_CALL(); 538 status_t res; 539 540 if (binder == mPreviewSurface) { 541 ALOGV("%s: Camera %d: New window is same as old window", 542 __FUNCTION__, mCameraId); 543 return NO_ERROR; 544 } 545 546 Parameters::State state; 547 { 548 SharedParameters::Lock l(mParameters); 549 state = l.mParameters.state; 550 } 551 switch (state) { 552 case Parameters::DISCONNECTED: 553 case Parameters::RECORD: 554 case Parameters::STILL_CAPTURE: 555 case Parameters::VIDEO_SNAPSHOT: 556 ALOGE("%s: Camera %d: Cannot set preview display while in state %s", 557 __FUNCTION__, mCameraId, 558 Parameters::getStateName(state)); 559 return INVALID_OPERATION; 560 case Parameters::STOPPED: 561 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 562 // OK 563 break; 564 case Parameters::PREVIEW: 565 // Already running preview - need to stop and create a new stream 566 res = stopStream(); 567 if (res != OK) { 568 ALOGE("%s: Unable to stop preview to swap windows: %s (%d)", 569 __FUNCTION__, strerror(-res), res); 570 return res; 571 } 572 state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 573 break; 574 } 575 576 mPreviewSurface = binder; 577 res = mStreamingProcessor->setPreviewWindow(window); 578 if (res != OK) { 579 ALOGE("%s: Unable to set new preview window: %s (%d)", 580 __FUNCTION__, strerror(-res), res); 581 return res; 582 } 583 584 if (state == Parameters::WAITING_FOR_PREVIEW_WINDOW) { 585 SharedParameters::Lock l(mParameters); 586 l.mParameters.state = state; 587 return startPreviewL(l.mParameters, false); 588 } 589 590 return OK; 591} 592 593void Camera2Client::setPreviewCallbackFlag(int flag) { 594 ATRACE_CALL(); 595 ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag); 596 Mutex::Autolock icl(mBinderSerializationLock); 597 598 if ( checkPid(__FUNCTION__) != OK) return; 599 600 SharedParameters::Lock l(mParameters); 601 setPreviewCallbackFlagL(l.mParameters, flag); 602} 603 604void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) { 605 status_t res = OK; 606 607 switch(params.state) { 608 case Parameters::STOPPED: 609 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 610 case Parameters::PREVIEW: 611 case Parameters::STILL_CAPTURE: 612 // OK 613 break; 614 default: 615 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 616 ALOGE("%s: Camera %d: Can't use preview callbacks " 617 "in state %d", __FUNCTION__, mCameraId, params.state); 618 return; 619 } 620 } 621 622 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) { 623 ALOGV("%s: setting oneshot", __FUNCTION__); 624 params.previewCallbackOneShot = true; 625 } 626 if (params.previewCallbackFlags != (uint32_t)flag) { 627 628 if (params.previewCallbackSurface && flag != CAMERA_FRAME_CALLBACK_FLAG_NOOP) { 629 // Disable any existing preview callback window when enabling 630 // preview callback flags 631 res = mCallbackProcessor->setCallbackWindow(NULL); 632 if (res != OK) { 633 ALOGE("%s: Camera %d: Unable to clear preview callback surface:" 634 " %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res); 635 return; 636 } 637 params.previewCallbackSurface = false; 638 } 639 640 params.previewCallbackFlags = flag; 641 642 if (params.state == Parameters::PREVIEW) { 643 res = startPreviewL(params, true); 644 if (res != OK) { 645 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 646 __FUNCTION__, mCameraId, 647 Parameters::getStateName(params.state)); 648 } 649 } 650 } 651} 652 653status_t Camera2Client::setPreviewCallbackTarget( 654 const sp<IGraphicBufferProducer>& callbackProducer) { 655 ATRACE_CALL(); 656 ALOGV("%s: E", __FUNCTION__); 657 Mutex::Autolock icl(mBinderSerializationLock); 658 status_t res; 659 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 660 661 sp<ANativeWindow> window; 662 if (callbackProducer != 0) { 663 window = new Surface(callbackProducer); 664 } 665 666 res = mCallbackProcessor->setCallbackWindow(window); 667 if (res != OK) { 668 ALOGE("%s: Camera %d: Unable to set preview callback surface: %s (%d)", 669 __FUNCTION__, mCameraId, strerror(-res), res); 670 return res; 671 } 672 673 SharedParameters::Lock l(mParameters); 674 675 if (window != NULL) { 676 // Disable traditional callbacks when a valid callback target is given 677 l.mParameters.previewCallbackFlags = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 678 l.mParameters.previewCallbackOneShot = false; 679 l.mParameters.previewCallbackSurface = true; 680 } else { 681 // Disable callback target if given a NULL interface. 682 l.mParameters.previewCallbackSurface = false; 683 } 684 685 switch(l.mParameters.state) { 686 case Parameters::PREVIEW: 687 res = startPreviewL(l.mParameters, true); 688 break; 689 case Parameters::RECORD: 690 case Parameters::VIDEO_SNAPSHOT: 691 res = startRecordingL(l.mParameters, true); 692 break; 693 default: 694 break; 695 } 696 if (res != OK) { 697 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 698 __FUNCTION__, mCameraId, 699 Parameters::getStateName(l.mParameters.state)); 700 } 701 702 return OK; 703} 704 705 706status_t Camera2Client::startPreview() { 707 ATRACE_CALL(); 708 ALOGV("%s: E", __FUNCTION__); 709 Mutex::Autolock icl(mBinderSerializationLock); 710 status_t res; 711 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 712 SharedParameters::Lock l(mParameters); 713 return startPreviewL(l.mParameters, false); 714} 715 716status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) { 717 ATRACE_CALL(); 718 status_t res; 719 720 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 721 722 if ( (params.state == Parameters::PREVIEW || 723 params.state == Parameters::RECORD || 724 params.state == Parameters::VIDEO_SNAPSHOT) 725 && !restart) { 726 // Succeed attempt to re-enter a streaming state 727 ALOGI("%s: Camera %d: Preview already active, ignoring restart", 728 __FUNCTION__, mCameraId); 729 return OK; 730 } 731 if (params.state > Parameters::PREVIEW && !restart) { 732 ALOGE("%s: Can't start preview in state %s", 733 __FUNCTION__, 734 Parameters::getStateName(params.state)); 735 return INVALID_OPERATION; 736 } 737 738 if (!mStreamingProcessor->haveValidPreviewWindow()) { 739 params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 740 return OK; 741 } 742 params.state = Parameters::STOPPED; 743 int lastPreviewStreamId = mStreamingProcessor->getPreviewStreamId(); 744 745 res = mStreamingProcessor->updatePreviewStream(params); 746 if (res != OK) { 747 ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)", 748 __FUNCTION__, mCameraId, strerror(-res), res); 749 return res; 750 } 751 752 bool previewStreamChanged = mStreamingProcessor->getPreviewStreamId() != lastPreviewStreamId; 753 754 // We could wait to create the JPEG output stream until first actual use 755 // (first takePicture call). However, this would substantially increase the 756 // first capture latency on HAL3 devices, and potentially on some HAL2 757 // devices. So create it unconditionally at preview start. As a drawback, 758 // this increases gralloc memory consumption for applications that don't 759 // ever take a picture. 760 // TODO: Find a better compromise, though this likely would involve HAL 761 // changes. 762 int lastJpegStreamId = mJpegProcessor->getStreamId(); 763 res = updateProcessorStream(mJpegProcessor, params); 764 if (res != OK) { 765 ALOGE("%s: Camera %d: Can't pre-configure still image " 766 "stream: %s (%d)", 767 __FUNCTION__, mCameraId, strerror(-res), res); 768 return res; 769 } 770 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 771 772 Vector<int32_t> outputStreams; 773 bool callbacksEnabled = (params.previewCallbackFlags & 774 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) || 775 params.previewCallbackSurface; 776 777 if (callbacksEnabled) { 778 // Can't have recording stream hanging around when enabling callbacks, 779 // since it exceeds the max stream count on some devices. 780 if (mStreamingProcessor->getRecordingStreamId() != NO_STREAM) { 781 ALOGV("%s: Camera %d: Clearing out recording stream before " 782 "creating callback stream", __FUNCTION__, mCameraId); 783 res = mStreamingProcessor->stopStream(); 784 if (res != OK) { 785 ALOGE("%s: Camera %d: Can't stop streaming to delete " 786 "recording stream", __FUNCTION__, mCameraId); 787 return res; 788 } 789 res = mStreamingProcessor->deleteRecordingStream(); 790 if (res != OK) { 791 ALOGE("%s: Camera %d: Unable to delete recording stream before " 792 "enabling callbacks: %s (%d)", __FUNCTION__, mCameraId, 793 strerror(-res), res); 794 return res; 795 } 796 } 797 798 res = mCallbackProcessor->updateStream(params); 799 if (res != OK) { 800 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 801 __FUNCTION__, mCameraId, strerror(-res), res); 802 return res; 803 } 804 outputStreams.push(getCallbackStreamId()); 805 } else if (previewStreamChanged && mCallbackProcessor->getStreamId() != NO_STREAM) { 806 /** 807 * Delete the unused callback stream when preview stream is changed and 808 * preview is not enabled. Don't need stop preview stream as preview is in 809 * STOPPED state now. 810 */ 811 ALOGV("%s: Camera %d: Delete unused preview callback stream.", __FUNCTION__, mCameraId); 812 res = mCallbackProcessor->deleteStream(); 813 if (res != OK) { 814 ALOGE("%s: Camera %d: Unable to delete callback stream %s (%d)", 815 __FUNCTION__, mCameraId, strerror(-res), res); 816 return res; 817 } 818 } 819 820 if (params.zslMode && !params.recordingHint && 821 getRecordingStreamId() == NO_STREAM) { 822 res = updateProcessorStream(mZslProcessor, params); 823 if (res != OK) { 824 ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)", 825 __FUNCTION__, mCameraId, strerror(-res), res); 826 return res; 827 } 828 829 if (jpegStreamChanged) { 830 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 831 __FUNCTION__, mCameraId); 832 mZslProcessor->clearZslQueue(); 833 } 834 outputStreams.push(getZslStreamId()); 835 } else { 836 mZslProcessor->deleteStream(); 837 } 838 839 outputStreams.push(getPreviewStreamId()); 840 841 if (!params.recordingHint) { 842 if (!restart) { 843 res = mStreamingProcessor->updatePreviewRequest(params); 844 if (res != OK) { 845 ALOGE("%s: Camera %d: Can't set up preview request: " 846 "%s (%d)", __FUNCTION__, mCameraId, 847 strerror(-res), res); 848 return res; 849 } 850 } 851 res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW, 852 outputStreams); 853 } else { 854 if (!restart) { 855 res = mStreamingProcessor->updateRecordingRequest(params); 856 if (res != OK) { 857 ALOGE("%s: Camera %d: Can't set up preview request with " 858 "record hint: %s (%d)", __FUNCTION__, mCameraId, 859 strerror(-res), res); 860 return res; 861 } 862 } 863 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 864 outputStreams); 865 } 866 if (res != OK) { 867 ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)", 868 __FUNCTION__, mCameraId, strerror(-res), res); 869 return res; 870 } 871 872 params.state = Parameters::PREVIEW; 873 return OK; 874} 875 876void Camera2Client::stopPreview() { 877 ATRACE_CALL(); 878 ALOGV("%s: E", __FUNCTION__); 879 Mutex::Autolock icl(mBinderSerializationLock); 880 status_t res; 881 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 882 stopPreviewL(); 883} 884 885void Camera2Client::stopPreviewL() { 886 ATRACE_CALL(); 887 status_t res; 888 const nsecs_t kStopCaptureTimeout = 3000000000LL; // 3 seconds 889 Parameters::State state; 890 { 891 SharedParameters::Lock l(mParameters); 892 state = l.mParameters.state; 893 } 894 895 switch (state) { 896 case Parameters::DISCONNECTED: 897 // Nothing to do. 898 break; 899 case Parameters::STOPPED: 900 case Parameters::VIDEO_SNAPSHOT: 901 case Parameters::STILL_CAPTURE: 902 mCaptureSequencer->waitUntilIdle(kStopCaptureTimeout); 903 // no break 904 case Parameters::RECORD: 905 case Parameters::PREVIEW: 906 syncWithDevice(); 907 res = stopStream(); 908 if (res != OK) { 909 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)", 910 __FUNCTION__, mCameraId, strerror(-res), res); 911 } 912 res = mDevice->waitUntilDrained(); 913 if (res != OK) { 914 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 915 __FUNCTION__, mCameraId, strerror(-res), res); 916 } 917 // Clean up recording stream 918 res = mStreamingProcessor->deleteRecordingStream(); 919 if (res != OK) { 920 ALOGE("%s: Camera %d: Unable to delete recording stream before " 921 "stop preview: %s (%d)", 922 __FUNCTION__, mCameraId, strerror(-res), res); 923 } 924 // no break 925 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 926 SharedParameters::Lock l(mParameters); 927 l.mParameters.state = Parameters::STOPPED; 928 commandStopFaceDetectionL(l.mParameters); 929 break; 930 } 931 default: 932 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 933 state); 934 } 935} 936 937bool Camera2Client::previewEnabled() { 938 ATRACE_CALL(); 939 Mutex::Autolock icl(mBinderSerializationLock); 940 status_t res; 941 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 942 943 SharedParameters::Lock l(mParameters); 944 return l.mParameters.state == Parameters::PREVIEW; 945} 946 947status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 948 ATRACE_CALL(); 949 Mutex::Autolock icl(mBinderSerializationLock); 950 status_t res; 951 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 952 953 SharedParameters::Lock l(mParameters); 954 switch (l.mParameters.state) { 955 case Parameters::RECORD: 956 case Parameters::VIDEO_SNAPSHOT: 957 ALOGE("%s: Camera %d: Can't be called in state %s", 958 __FUNCTION__, mCameraId, 959 Parameters::getStateName(l.mParameters.state)); 960 return INVALID_OPERATION; 961 default: 962 // OK 963 break; 964 } 965 966 l.mParameters.storeMetadataInBuffers = enabled; 967 968 return OK; 969} 970 971status_t Camera2Client::startRecording() { 972 ATRACE_CALL(); 973 ALOGV("%s: E", __FUNCTION__); 974 Mutex::Autolock icl(mBinderSerializationLock); 975 status_t res; 976 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 977 SharedParameters::Lock l(mParameters); 978 979 return startRecordingL(l.mParameters, false); 980} 981 982status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 983 status_t res; 984 985 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 986 987 switch (params.state) { 988 case Parameters::STOPPED: 989 res = startPreviewL(params, false); 990 if (res != OK) return res; 991 break; 992 case Parameters::PREVIEW: 993 // Ready to go 994 break; 995 case Parameters::RECORD: 996 case Parameters::VIDEO_SNAPSHOT: 997 // OK to call this when recording is already on, just skip unless 998 // we're looking to restart 999 if (!restart) return OK; 1000 break; 1001 default: 1002 ALOGE("%s: Camera %d: Can't start recording in state %s", 1003 __FUNCTION__, mCameraId, 1004 Parameters::getStateName(params.state)); 1005 return INVALID_OPERATION; 1006 }; 1007 1008 if (!params.storeMetadataInBuffers) { 1009 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1010 "non-metadata recording mode requested!", __FUNCTION__, 1011 mCameraId); 1012 return INVALID_OPERATION; 1013 } 1014 1015 if (!restart) { 1016 mCameraService->playSound(CameraService::SOUND_RECORDING); 1017 mStreamingProcessor->updateRecordingRequest(params); 1018 if (res != OK) { 1019 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1020 __FUNCTION__, mCameraId, strerror(-res), res); 1021 return res; 1022 } 1023 } 1024 1025 // Not all devices can support a preview callback stream and a recording 1026 // stream at the same time, so assume none of them can. 1027 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1028 ALOGV("%s: Camera %d: Clearing out callback stream before " 1029 "creating recording stream", __FUNCTION__, mCameraId); 1030 res = mStreamingProcessor->stopStream(); 1031 if (res != OK) { 1032 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1033 __FUNCTION__, mCameraId); 1034 return res; 1035 } 1036 res = mCallbackProcessor->deleteStream(); 1037 if (res != OK) { 1038 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1039 "record: %s (%d)", __FUNCTION__, mCameraId, 1040 strerror(-res), res); 1041 return res; 1042 } 1043 } 1044 1045 if (mZslProcessor->getStreamId() != NO_STREAM) { 1046 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1047 "creating recording stream", __FUNCTION__, mCameraId); 1048 res = mStreamingProcessor->stopStream(); 1049 if (res != OK) { 1050 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1051 __FUNCTION__, mCameraId); 1052 return res; 1053 } 1054 res = mDevice->waitUntilDrained(); 1055 if (res != OK) { 1056 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1057 __FUNCTION__, mCameraId, strerror(-res), res); 1058 } 1059 res = mZslProcessor->clearZslQueue(); 1060 if (res != OK) { 1061 ALOGE("%s: Camera %d: Can't clear zsl queue", 1062 __FUNCTION__, mCameraId); 1063 return res; 1064 } 1065 res = mZslProcessor->deleteStream(); 1066 if (res != OK) { 1067 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1068 "record: %s (%d)", __FUNCTION__, mCameraId, 1069 strerror(-res), res); 1070 return res; 1071 } 1072 } 1073 1074 // Disable callbacks if they're enabled; can't record and use callbacks, 1075 // and we can't fail record start without stagefright asserting. 1076 params.previewCallbackFlags = 0; 1077 1078 res = updateProcessorStream< 1079 StreamingProcessor, 1080 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1081 params); 1082 if (res != OK) { 1083 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1084 __FUNCTION__, mCameraId, strerror(-res), res); 1085 return res; 1086 } 1087 1088 Vector<int32_t> outputStreams; 1089 outputStreams.push(getPreviewStreamId()); 1090 outputStreams.push(getRecordingStreamId()); 1091 1092 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1093 outputStreams); 1094 if (res != OK) { 1095 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1096 __FUNCTION__, mCameraId, strerror(-res), res); 1097 return res; 1098 } 1099 1100 if (params.state < Parameters::RECORD) { 1101 params.state = Parameters::RECORD; 1102 } 1103 1104 return OK; 1105} 1106 1107void Camera2Client::stopRecording() { 1108 ATRACE_CALL(); 1109 ALOGV("%s: E", __FUNCTION__); 1110 Mutex::Autolock icl(mBinderSerializationLock); 1111 SharedParameters::Lock l(mParameters); 1112 1113 status_t res; 1114 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1115 1116 switch (l.mParameters.state) { 1117 case Parameters::RECORD: 1118 // OK to stop 1119 break; 1120 case Parameters::STOPPED: 1121 case Parameters::PREVIEW: 1122 case Parameters::STILL_CAPTURE: 1123 case Parameters::VIDEO_SNAPSHOT: 1124 default: 1125 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1126 __FUNCTION__, mCameraId, 1127 Parameters::getStateName(l.mParameters.state)); 1128 return; 1129 }; 1130 1131 mCameraService->playSound(CameraService::SOUND_RECORDING); 1132 1133 res = startPreviewL(l.mParameters, true); 1134 if (res != OK) { 1135 ALOGE("%s: Camera %d: Unable to return to preview", 1136 __FUNCTION__, mCameraId); 1137 } 1138} 1139 1140bool Camera2Client::recordingEnabled() { 1141 ATRACE_CALL(); 1142 Mutex::Autolock icl(mBinderSerializationLock); 1143 1144 if ( checkPid(__FUNCTION__) != OK) return false; 1145 1146 return recordingEnabledL(); 1147} 1148 1149bool Camera2Client::recordingEnabledL() { 1150 ATRACE_CALL(); 1151 SharedParameters::Lock l(mParameters); 1152 1153 return (l.mParameters.state == Parameters::RECORD 1154 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1155} 1156 1157void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1158 ATRACE_CALL(); 1159 Mutex::Autolock icl(mBinderSerializationLock); 1160 if ( checkPid(__FUNCTION__) != OK) return; 1161 1162 mStreamingProcessor->releaseRecordingFrame(mem); 1163} 1164 1165status_t Camera2Client::autoFocus() { 1166 ATRACE_CALL(); 1167 Mutex::Autolock icl(mBinderSerializationLock); 1168 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1169 status_t res; 1170 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1171 1172 int triggerId; 1173 bool notifyImmediately = false; 1174 bool notifySuccess = false; 1175 { 1176 SharedParameters::Lock l(mParameters); 1177 if (l.mParameters.state < Parameters::PREVIEW) { 1178 return INVALID_OPERATION; 1179 } 1180 1181 /** 1182 * If the camera does not support auto-focus, it is a no-op and 1183 * onAutoFocus(boolean, Camera) callback will be called immediately 1184 * with a fake value of success set to true. 1185 * 1186 * Similarly, if focus mode is set to INFINITY, there's no reason to 1187 * bother the HAL. 1188 */ 1189 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1190 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1191 notifyImmediately = true; 1192 notifySuccess = true; 1193 } 1194 /** 1195 * If we're in CAF mode, and AF has already been locked, just fire back 1196 * the callback right away; the HAL would not send a notification since 1197 * no state change would happen on a AF trigger. 1198 */ 1199 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1200 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1201 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1202 notifyImmediately = true; 1203 notifySuccess = true; 1204 } 1205 /** 1206 * Send immediate notification back to client 1207 */ 1208 if (notifyImmediately) { 1209 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1210 if (l.mRemoteCallback != 0) { 1211 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1212 notifySuccess ? 1 : 0, 0); 1213 } 1214 return OK; 1215 } 1216 /** 1217 * Handle quirk mode for AF in scene modes 1218 */ 1219 if (l.mParameters.quirks.triggerAfWithAuto && 1220 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1221 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1222 !l.mParameters.focusingAreas[0].isEmpty()) { 1223 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1224 __FUNCTION__, l.mParameters.focusMode); 1225 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1226 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1227 updateRequests(l.mParameters); 1228 } 1229 1230 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1231 triggerId = l.mParameters.currentAfTriggerId; 1232 } 1233 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1234 1235 syncWithDevice(); 1236 1237 mDevice->triggerAutofocus(triggerId); 1238 1239 return OK; 1240} 1241 1242status_t Camera2Client::cancelAutoFocus() { 1243 ATRACE_CALL(); 1244 Mutex::Autolock icl(mBinderSerializationLock); 1245 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1246 status_t res; 1247 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1248 1249 int triggerId; 1250 { 1251 SharedParameters::Lock l(mParameters); 1252 // Canceling does nothing in FIXED or INFINITY modes 1253 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1254 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1255 return OK; 1256 } 1257 1258 // An active AF trigger is canceled 1259 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1260 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1261 } 1262 1263 triggerId = ++l.mParameters.afTriggerCounter; 1264 1265 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1266 // the real state at this point. No need to cancel explicitly if 1267 // changing the AF mode. 1268 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1269 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1270 l.mParameters.shadowFocusMode); 1271 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1272 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1273 updateRequests(l.mParameters); 1274 1275 return OK; 1276 } 1277 } 1278 syncWithDevice(); 1279 1280 mDevice->triggerCancelAutofocus(triggerId); 1281 1282 return OK; 1283} 1284 1285status_t Camera2Client::takePicture(int msgType) { 1286 ATRACE_CALL(); 1287 Mutex::Autolock icl(mBinderSerializationLock); 1288 status_t res; 1289 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1290 1291 int takePictureCounter; 1292 { 1293 SharedParameters::Lock l(mParameters); 1294 switch (l.mParameters.state) { 1295 case Parameters::DISCONNECTED: 1296 case Parameters::STOPPED: 1297 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1298 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1299 __FUNCTION__, mCameraId); 1300 return INVALID_OPERATION; 1301 case Parameters::PREVIEW: 1302 // Good to go for takePicture 1303 res = commandStopFaceDetectionL(l.mParameters); 1304 if (res != OK) { 1305 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1306 __FUNCTION__, mCameraId); 1307 return res; 1308 } 1309 l.mParameters.state = Parameters::STILL_CAPTURE; 1310 break; 1311 case Parameters::RECORD: 1312 // Good to go for video snapshot 1313 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1314 break; 1315 case Parameters::STILL_CAPTURE: 1316 case Parameters::VIDEO_SNAPSHOT: 1317 ALOGE("%s: Camera %d: Already taking a picture", 1318 __FUNCTION__, mCameraId); 1319 return INVALID_OPERATION; 1320 } 1321 1322 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1323 1324 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1325 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1326 if (res != OK) { 1327 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1328 __FUNCTION__, mCameraId, strerror(-res), res); 1329 return res; 1330 } 1331 takePictureCounter = ++l.mParameters.takePictureCounter; 1332 1333 // Clear ZSL buffer queue when Jpeg size is changed. 1334 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1335 if (l.mParameters.zslMode && jpegStreamChanged) { 1336 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1337 __FUNCTION__, mCameraId); 1338 mZslProcessor->clearZslQueue(); 1339 } 1340 } 1341 1342 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1343 1344 // Need HAL to have correct settings before (possibly) triggering precapture 1345 syncWithDevice(); 1346 1347 res = mCaptureSequencer->startCapture(msgType); 1348 if (res != OK) { 1349 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1350 __FUNCTION__, mCameraId, strerror(-res), res); 1351 } 1352 1353 return res; 1354} 1355 1356status_t Camera2Client::setParameters(const String8& params) { 1357 ATRACE_CALL(); 1358 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1359 Mutex::Autolock icl(mBinderSerializationLock); 1360 status_t res; 1361 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1362 1363 SharedParameters::Lock l(mParameters); 1364 1365 res = l.mParameters.set(params); 1366 if (res != OK) return res; 1367 1368 res = updateRequests(l.mParameters); 1369 1370 return res; 1371} 1372 1373String8 Camera2Client::getParameters() const { 1374 ATRACE_CALL(); 1375 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1376 Mutex::Autolock icl(mBinderSerializationLock); 1377 // The camera service can unconditionally get the parameters at all times 1378 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1379 1380 SharedParameters::ReadLock l(mParameters); 1381 1382 return l.mParameters.get(); 1383} 1384 1385status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1386 ATRACE_CALL(); 1387 Mutex::Autolock icl(mBinderSerializationLock); 1388 status_t res; 1389 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1390 1391 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1392 cmd, arg1, arg2); 1393 1394 switch (cmd) { 1395 case CAMERA_CMD_START_SMOOTH_ZOOM: 1396 return commandStartSmoothZoomL(); 1397 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1398 return commandStopSmoothZoomL(); 1399 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1400 return commandSetDisplayOrientationL(arg1); 1401 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1402 return commandEnableShutterSoundL(arg1 == 1); 1403 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1404 return commandPlayRecordingSoundL(); 1405 case CAMERA_CMD_START_FACE_DETECTION: 1406 return commandStartFaceDetectionL(arg1); 1407 case CAMERA_CMD_STOP_FACE_DETECTION: { 1408 SharedParameters::Lock l(mParameters); 1409 return commandStopFaceDetectionL(l.mParameters); 1410 } 1411 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1412 return commandEnableFocusMoveMsgL(arg1 == 1); 1413 case CAMERA_CMD_PING: 1414 return commandPingL(); 1415 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1416 return commandSetVideoBufferCountL(arg1); 1417 default: 1418 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1419 __FUNCTION__, cmd, arg1, arg2); 1420 return BAD_VALUE; 1421 } 1422} 1423 1424status_t Camera2Client::commandStartSmoothZoomL() { 1425 ALOGE("%s: Unimplemented!", __FUNCTION__); 1426 return OK; 1427} 1428 1429status_t Camera2Client::commandStopSmoothZoomL() { 1430 ALOGE("%s: Unimplemented!", __FUNCTION__); 1431 return OK; 1432} 1433 1434status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1435 int transform = Parameters::degToTransform(degrees, 1436 mCameraFacing == CAMERA_FACING_FRONT); 1437 if (transform == -1) { 1438 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1439 __FUNCTION__, mCameraId, degrees); 1440 return BAD_VALUE; 1441 } 1442 SharedParameters::Lock l(mParameters); 1443 if (transform != l.mParameters.previewTransform && 1444 getPreviewStreamId() != NO_STREAM) { 1445 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1446 } 1447 l.mParameters.previewTransform = transform; 1448 return OK; 1449} 1450 1451status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1452 SharedParameters::Lock l(mParameters); 1453 if (enable) { 1454 l.mParameters.playShutterSound = true; 1455 return OK; 1456 } 1457 1458 // the camera2 api legacy mode can unconditionally disable the shutter sound 1459 if (mLegacyMode) { 1460 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1461 l.mParameters.playShutterSound = false; 1462 return OK; 1463 } 1464 1465 // Disabling shutter sound may not be allowed. In that case only 1466 // allow the mediaserver process to disable the sound. 1467 char value[PROPERTY_VALUE_MAX]; 1468 property_get("ro.camera.sound.forced", value, "0"); 1469 if (strncmp(value, "0", 2) != 0) { 1470 // Disabling shutter sound is not allowed. Deny if the current 1471 // process is not mediaserver. 1472 if (getCallingPid() != getpid()) { 1473 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1474 getCallingPid()); 1475 return PERMISSION_DENIED; 1476 } 1477 } 1478 1479 l.mParameters.playShutterSound = false; 1480 return OK; 1481} 1482 1483status_t Camera2Client::commandPlayRecordingSoundL() { 1484 mCameraService->playSound(CameraService::SOUND_RECORDING); 1485 return OK; 1486} 1487 1488status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1489 ALOGV("%s: Camera %d: Starting face detection", 1490 __FUNCTION__, mCameraId); 1491 status_t res; 1492 SharedParameters::Lock l(mParameters); 1493 switch (l.mParameters.state) { 1494 case Parameters::DISCONNECTED: 1495 case Parameters::STOPPED: 1496 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1497 case Parameters::STILL_CAPTURE: 1498 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1499 __FUNCTION__, mCameraId); 1500 return INVALID_OPERATION; 1501 case Parameters::PREVIEW: 1502 case Parameters::RECORD: 1503 case Parameters::VIDEO_SNAPSHOT: 1504 // Good to go for starting face detect 1505 break; 1506 } 1507 // Ignoring type 1508 if (l.mParameters.fastInfo.bestFaceDetectMode == 1509 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1510 ALOGE("%s: Camera %d: Face detection not supported", 1511 __FUNCTION__, mCameraId); 1512 return BAD_VALUE; 1513 } 1514 if (l.mParameters.enableFaceDetect) return OK; 1515 1516 l.mParameters.enableFaceDetect = true; 1517 1518 res = updateRequests(l.mParameters); 1519 1520 return res; 1521} 1522 1523status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1524 status_t res = OK; 1525 ALOGV("%s: Camera %d: Stopping face detection", 1526 __FUNCTION__, mCameraId); 1527 1528 if (!params.enableFaceDetect) return OK; 1529 1530 params.enableFaceDetect = false; 1531 1532 if (params.state == Parameters::PREVIEW 1533 || params.state == Parameters::RECORD 1534 || params.state == Parameters::VIDEO_SNAPSHOT) { 1535 res = updateRequests(params); 1536 } 1537 1538 return res; 1539} 1540 1541status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1542 SharedParameters::Lock l(mParameters); 1543 l.mParameters.enableFocusMoveMessages = enable; 1544 1545 return OK; 1546} 1547 1548status_t Camera2Client::commandPingL() { 1549 // Always ping back if access is proper and device is alive 1550 SharedParameters::Lock l(mParameters); 1551 if (l.mParameters.state != Parameters::DISCONNECTED) { 1552 return OK; 1553 } else { 1554 return NO_INIT; 1555 } 1556} 1557 1558status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1559 if (recordingEnabledL()) { 1560 ALOGE("%s: Camera %d: Error setting video buffer count after " 1561 "recording was started", __FUNCTION__, mCameraId); 1562 return INVALID_OPERATION; 1563 } 1564 1565 return mStreamingProcessor->setRecordingBufferCount(count); 1566} 1567 1568/** Device-related methods */ 1569void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1570 ALOGV("%s: Autofocus state now %d, last trigger %d", 1571 __FUNCTION__, newState, triggerId); 1572 bool sendCompletedMessage = false; 1573 bool sendMovingMessage = false; 1574 1575 bool success = false; 1576 bool afInMotion = false; 1577 { 1578 SharedParameters::Lock l(mParameters); 1579 // Trace end of AF state 1580 char tmp[32]; 1581 if (l.mParameters.afStateCounter > 0) { 1582 camera_metadata_enum_snprint( 1583 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1584 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1585 } 1586 1587 // Update state 1588 l.mParameters.focusState = newState; 1589 l.mParameters.afStateCounter++; 1590 1591 // Trace start of AF state 1592 1593 camera_metadata_enum_snprint( 1594 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1595 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1596 1597 switch (l.mParameters.focusMode) { 1598 case Parameters::FOCUS_MODE_AUTO: 1599 case Parameters::FOCUS_MODE_MACRO: 1600 // Don't send notifications upstream if they're not for the current AF 1601 // trigger. For example, if cancel was called in between, or if we 1602 // already sent a notification about this AF call. 1603 if (triggerId != l.mParameters.currentAfTriggerId) break; 1604 switch (newState) { 1605 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1606 success = true; 1607 // no break 1608 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1609 sendCompletedMessage = true; 1610 l.mParameters.currentAfTriggerId = -1; 1611 break; 1612 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1613 // Just starting focusing, ignore 1614 break; 1615 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1616 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1617 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1618 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1619 default: 1620 // Unexpected in AUTO/MACRO mode 1621 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1622 __FUNCTION__, newState); 1623 break; 1624 } 1625 break; 1626 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1627 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1628 switch (newState) { 1629 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1630 success = true; 1631 // no break 1632 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1633 // Don't send notifications upstream if they're not for 1634 // the current AF trigger. For example, if cancel was 1635 // called in between, or if we already sent a 1636 // notification about this AF call. 1637 // Send both a 'AF done' callback and a 'AF move' callback 1638 if (triggerId != l.mParameters.currentAfTriggerId) break; 1639 sendCompletedMessage = true; 1640 afInMotion = false; 1641 if (l.mParameters.enableFocusMoveMessages && 1642 l.mParameters.afInMotion) { 1643 sendMovingMessage = true; 1644 } 1645 l.mParameters.currentAfTriggerId = -1; 1646 break; 1647 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1648 // Cancel was called, or we switched state; care if 1649 // currently moving 1650 afInMotion = false; 1651 if (l.mParameters.enableFocusMoveMessages && 1652 l.mParameters.afInMotion) { 1653 sendMovingMessage = true; 1654 } 1655 break; 1656 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1657 // Start passive scan, inform upstream 1658 afInMotion = true; 1659 // no break 1660 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1661 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1662 // Stop passive scan, inform upstream 1663 if (l.mParameters.enableFocusMoveMessages) { 1664 sendMovingMessage = true; 1665 } 1666 break; 1667 } 1668 l.mParameters.afInMotion = afInMotion; 1669 break; 1670 case Parameters::FOCUS_MODE_EDOF: 1671 case Parameters::FOCUS_MODE_INFINITY: 1672 case Parameters::FOCUS_MODE_FIXED: 1673 default: 1674 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1675 ALOGE("%s: Unexpected AF state change %d " 1676 "(ID %d) in focus mode %d", 1677 __FUNCTION__, newState, triggerId, 1678 l.mParameters.focusMode); 1679 } 1680 } 1681 } 1682 if (sendMovingMessage) { 1683 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1684 if (l.mRemoteCallback != 0) { 1685 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1686 afInMotion ? 1 : 0, 0); 1687 } 1688 } 1689 if (sendCompletedMessage) { 1690 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1691 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1692 if (l.mRemoteCallback != 0) { 1693 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1694 success ? 1 : 0, 0); 1695 } 1696 } 1697} 1698 1699void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1700 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1701 __FUNCTION__, newState, triggerId); 1702 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1703} 1704 1705camera2::SharedParameters& Camera2Client::getParameters() { 1706 return mParameters; 1707} 1708 1709int Camera2Client::getPreviewStreamId() const { 1710 return mStreamingProcessor->getPreviewStreamId(); 1711} 1712 1713int Camera2Client::getCaptureStreamId() const { 1714 return mJpegProcessor->getStreamId(); 1715} 1716 1717int Camera2Client::getCallbackStreamId() const { 1718 return mCallbackProcessor->getStreamId(); 1719} 1720 1721int Camera2Client::getRecordingStreamId() const { 1722 return mStreamingProcessor->getRecordingStreamId(); 1723} 1724 1725int Camera2Client::getZslStreamId() const { 1726 return mZslProcessor->getStreamId(); 1727} 1728 1729status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1730 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1731 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1732} 1733 1734status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1735 wp<camera2::FrameProcessor::FilteredListener> listener) { 1736 return mFrameProcessor->removeListener(minId, maxId, listener); 1737} 1738 1739status_t Camera2Client::stopStream() { 1740 return mStreamingProcessor->stopStream(); 1741} 1742 1743const int32_t Camera2Client::kPreviewRequestIdStart; 1744const int32_t Camera2Client::kPreviewRequestIdEnd; 1745const int32_t Camera2Client::kRecordingRequestIdStart; 1746const int32_t Camera2Client::kRecordingRequestIdEnd; 1747const int32_t Camera2Client::kCaptureRequestIdStart; 1748const int32_t Camera2Client::kCaptureRequestIdEnd; 1749 1750/** Utility methods */ 1751 1752status_t Camera2Client::updateRequests(Parameters ¶ms) { 1753 status_t res; 1754 1755 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1756 1757 res = mStreamingProcessor->incrementStreamingIds(); 1758 if (res != OK) { 1759 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1760 __FUNCTION__, mCameraId, strerror(-res), res); 1761 return res; 1762 } 1763 1764 res = mStreamingProcessor->updatePreviewRequest(params); 1765 if (res != OK) { 1766 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1767 __FUNCTION__, mCameraId, strerror(-res), res); 1768 return res; 1769 } 1770 res = mStreamingProcessor->updateRecordingRequest(params); 1771 if (res != OK) { 1772 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1773 __FUNCTION__, mCameraId, strerror(-res), res); 1774 return res; 1775 } 1776 1777 if (params.state == Parameters::PREVIEW) { 1778 res = startPreviewL(params, true); 1779 if (res != OK) { 1780 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1781 __FUNCTION__, mCameraId, strerror(-res), res); 1782 return res; 1783 } 1784 } else if (params.state == Parameters::RECORD || 1785 params.state == Parameters::VIDEO_SNAPSHOT) { 1786 res = startRecordingL(params, true); 1787 if (res != OK) { 1788 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1789 __FUNCTION__, mCameraId, strerror(-res), res); 1790 return res; 1791 } 1792 } 1793 return res; 1794} 1795 1796 1797size_t Camera2Client::calculateBufferSize(int width, int height, 1798 int format, int stride) { 1799 switch (format) { 1800 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1801 return width * height * 2; 1802 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1803 return width * height * 3 / 2; 1804 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1805 return width * height * 2; 1806 case HAL_PIXEL_FORMAT_YV12: { // YV12 1807 size_t ySize = stride * height; 1808 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1809 size_t uvSize = uvStride * height / 2; 1810 return ySize + uvSize * 2; 1811 } 1812 case HAL_PIXEL_FORMAT_RGB_565: 1813 return width * height * 2; 1814 case HAL_PIXEL_FORMAT_RGBA_8888: 1815 return width * height * 4; 1816 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1817 return width * height * 2; 1818 default: 1819 ALOGE("%s: Unknown preview format: %x", 1820 __FUNCTION__, format); 1821 return 0; 1822 } 1823} 1824 1825status_t Camera2Client::syncWithDevice() { 1826 ATRACE_CALL(); 1827 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1828 status_t res; 1829 1830 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1831 if (activeRequestId == 0) return OK; 1832 1833 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1834 if (res == TIMED_OUT) { 1835 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1836 __FUNCTION__, mCameraId); 1837 } else if (res != OK) { 1838 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1839 __FUNCTION__, mCameraId); 1840 } 1841 return res; 1842} 1843 1844template <typename ProcessorT> 1845status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1846 camera2::Parameters params) { 1847 // No default template arguments until C++11, so we need this overload 1848 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1849 processor, params); 1850} 1851 1852template <typename ProcessorT, 1853 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1854status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1855 Parameters params) { 1856 status_t res; 1857 1858 // Get raw pointer since sp<T> doesn't have operator->* 1859 ProcessorT *processorPtr = processor.get(); 1860 res = (processorPtr->*updateStreamF)(params); 1861 1862 /** 1863 * Can't update the stream if it's busy? 1864 * 1865 * Then we need to stop the device (by temporarily clearing the request 1866 * queue) and then try again. Resume streaming once we're done. 1867 */ 1868 if (res == -EBUSY) { 1869 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 1870 mCameraId); 1871 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1872 if (res != OK) { 1873 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1874 __FUNCTION__, mCameraId, strerror(-res), res); 1875 } 1876 1877 res = mDevice->waitUntilDrained(); 1878 if (res != OK) { 1879 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1880 __FUNCTION__, mCameraId, strerror(-res), res); 1881 } 1882 1883 res = (processorPtr->*updateStreamF)(params); 1884 if (res != OK) { 1885 ALOGE("%s: Camera %d: Failed to update processing stream " 1886 " despite having halted streaming first: %s (%d)", 1887 __FUNCTION__, mCameraId, strerror(-res), res); 1888 } 1889 1890 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1891 if (res != OK) { 1892 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1893 __FUNCTION__, mCameraId, strerror(-res), res); 1894 } 1895 } 1896 1897 return res; 1898} 1899 1900const char* Camera2Client::kAutofocusLabel = "autofocus"; 1901const char* Camera2Client::kTakepictureLabel = "take_picture"; 1902 1903} // namespace android 1904