Camera2Client.cpp revision 77e79a509d19ab50b1867fe3903b5a8fae450591
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() != NULL ? 169 (IInterface::asBinder(getRemoteCallback()).get()) : NULL), 170 String8(mClientPackageName).string(), 171 mClientPid); 172 result.append(" State: "); 173#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break; 174 175 const Parameters& p = mParameters.unsafeAccess(); 176 177 result.append(Parameters::getStateName(p.state)); 178 179 result.append("\n Current parameters:\n"); 180 result.appendFormat(" Preview size: %d x %d\n", 181 p.previewWidth, p.previewHeight); 182 result.appendFormat(" Preview FPS range: %d - %d\n", 183 p.previewFpsRange[0], p.previewFpsRange[1]); 184 result.appendFormat(" Preview HAL pixel format: 0x%x\n", 185 p.previewFormat); 186 result.appendFormat(" Preview transform: %x\n", 187 p.previewTransform); 188 result.appendFormat(" Picture size: %d x %d\n", 189 p.pictureWidth, p.pictureHeight); 190 result.appendFormat(" Jpeg thumbnail size: %d x %d\n", 191 p.jpegThumbSize[0], p.jpegThumbSize[1]); 192 result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n", 193 p.jpegQuality, p.jpegThumbQuality); 194 result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation); 195 result.appendFormat(" GPS tags %s\n", 196 p.gpsEnabled ? "enabled" : "disabled"); 197 if (p.gpsEnabled) { 198 result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n", 199 p.gpsCoordinates[0], p.gpsCoordinates[1], 200 p.gpsCoordinates[2]); 201 result.appendFormat(" GPS timestamp: %" PRId64 "\n", 202 p.gpsTimestamp); 203 result.appendFormat(" GPS processing method: %s\n", 204 p.gpsProcessingMethod.string()); 205 } 206 207 result.append(" White balance mode: "); 208 switch (p.wbMode) { 209 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_AUTO) 210 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_INCANDESCENT) 211 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_FLUORESCENT) 212 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT) 213 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_DAYLIGHT) 214 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT) 215 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_TWILIGHT) 216 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_SHADE) 217 default: result.append("UNKNOWN\n"); 218 } 219 220 result.append(" Effect mode: "); 221 switch (p.effectMode) { 222 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_OFF) 223 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_MONO) 224 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_NEGATIVE) 225 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SOLARIZE) 226 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SEPIA) 227 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_POSTERIZE) 228 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD) 229 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD) 230 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_AQUA) 231 default: result.append("UNKNOWN\n"); 232 } 233 234 result.append(" Antibanding mode: "); 235 switch (p.antibandingMode) { 236 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO) 237 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF) 238 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ) 239 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ) 240 default: result.append("UNKNOWN\n"); 241 } 242 243 result.append(" Scene mode: "); 244 switch (p.sceneMode) { 245 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 246 result.append("AUTO\n"); break; 247 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION) 248 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT) 249 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE) 250 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT) 251 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT) 252 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE) 253 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH) 254 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW) 255 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET) 256 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO) 257 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS) 258 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS) 259 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY) 260 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT) 261 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE) 262 default: result.append("UNKNOWN\n"); 263 } 264 265 result.append(" Flash mode: "); 266 switch (p.flashMode) { 267 CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF) 268 CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO) 269 CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON) 270 CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH) 271 CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE) 272 CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID) 273 default: result.append("UNKNOWN\n"); 274 } 275 276 result.append(" Focus mode: "); 277 switch (p.focusMode) { 278 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO) 279 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO) 280 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) 281 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE) 282 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF) 283 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY) 284 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED) 285 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID) 286 default: result.append("UNKNOWN\n"); 287 } 288 289 result.append(" Focus state: "); 290 switch (p.focusState) { 291 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_INACTIVE) 292 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN) 293 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED) 294 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED) 295 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN) 296 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED) 297 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED) 298 default: result.append("UNKNOWN\n"); 299 } 300 301 result.append(" Focusing areas:\n"); 302 for (size_t i = 0; i < p.focusingAreas.size(); i++) { 303 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 304 p.focusingAreas[i].left, 305 p.focusingAreas[i].top, 306 p.focusingAreas[i].right, 307 p.focusingAreas[i].bottom, 308 p.focusingAreas[i].weight); 309 } 310 311 result.appendFormat(" Exposure compensation index: %d\n", 312 p.exposureCompensation); 313 314 result.appendFormat(" AE lock %s, AWB lock %s\n", 315 p.autoExposureLock ? "enabled" : "disabled", 316 p.autoWhiteBalanceLock ? "enabled" : "disabled" ); 317 318 result.appendFormat(" Metering areas:\n"); 319 for (size_t i = 0; i < p.meteringAreas.size(); i++) { 320 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 321 p.meteringAreas[i].left, 322 p.meteringAreas[i].top, 323 p.meteringAreas[i].right, 324 p.meteringAreas[i].bottom, 325 p.meteringAreas[i].weight); 326 } 327 328 result.appendFormat(" Zoom index: %d\n", p.zoom); 329 result.appendFormat(" Video size: %d x %d\n", p.videoWidth, 330 p.videoHeight); 331 332 result.appendFormat(" Recording hint is %s\n", 333 p.recordingHint ? "set" : "not set"); 334 335 result.appendFormat(" Video stabilization is %s\n", 336 p.videoStabilization ? "enabled" : "disabled"); 337 338 result.appendFormat(" Selected still capture FPS range: %d - %d\n", 339 p.fastInfo.bestStillCaptureFpsRange[0], 340 p.fastInfo.bestStillCaptureFpsRange[1]); 341 342 result.append(" Current streams:\n"); 343 result.appendFormat(" Preview stream ID: %d\n", 344 getPreviewStreamId()); 345 result.appendFormat(" Capture stream ID: %d\n", 346 getCaptureStreamId()); 347 result.appendFormat(" Recording stream ID: %d\n", 348 getRecordingStreamId()); 349 350 result.append(" Quirks for this camera:\n"); 351 bool haveQuirk = false; 352 if (p.quirks.triggerAfWithAuto) { 353 result.appendFormat(" triggerAfWithAuto\n"); 354 haveQuirk = true; 355 } 356 if (p.quirks.useZslFormat) { 357 result.appendFormat(" useZslFormat\n"); 358 haveQuirk = true; 359 } 360 if (p.quirks.meteringCropRegion) { 361 result.appendFormat(" meteringCropRegion\n"); 362 haveQuirk = true; 363 } 364 if (p.quirks.partialResults) { 365 result.appendFormat(" usePartialResult\n"); 366 haveQuirk = true; 367 } 368 if (!haveQuirk) { 369 result.appendFormat(" none\n"); 370 } 371 372 write(fd, result.string(), result.size()); 373 374 mStreamingProcessor->dump(fd, args); 375 376 mCaptureSequencer->dump(fd, args); 377 378 mFrameProcessor->dump(fd, args); 379 380 mZslProcessor->dump(fd, args); 381 382 return dumpDevice(fd, args); 383#undef CASE_APPEND_ENUM 384} 385 386// ICamera interface 387 388void Camera2Client::disconnect() { 389 ATRACE_CALL(); 390 Mutex::Autolock icl(mBinderSerializationLock); 391 392 // Allow both client and the media server to disconnect at all times 393 int callingPid = getCallingPid(); 394 if (callingPid != mClientPid && callingPid != mServicePid) return; 395 396 if (mDevice == 0) return; 397 398 ALOGV("Camera %d: Shutting down", mCameraId); 399 400 /** 401 * disconnect() cannot call any methods that might need to promote a 402 * wp<Camera2Client>, since disconnect can be called from the destructor, at 403 * which point all such promotions will fail. 404 */ 405 406 stopPreviewL(); 407 408 { 409 SharedParameters::Lock l(mParameters); 410 if (l.mParameters.state == Parameters::DISCONNECTED) return; 411 l.mParameters.state = Parameters::DISCONNECTED; 412 } 413 414 mStreamingProcessor->requestExit(); 415 mFrameProcessor->requestExit(); 416 mCaptureSequencer->requestExit(); 417 mJpegProcessor->requestExit(); 418 mZslProcessorThread->requestExit(); 419 mCallbackProcessor->requestExit(); 420 421 ALOGV("Camera %d: Waiting for threads", mCameraId); 422 423 { 424 // Don't wait with lock held, in case the other threads need to 425 // complete callbacks that re-enter Camera2Client 426 mBinderSerializationLock.unlock(); 427 428 mStreamingProcessor->join(); 429 mFrameProcessor->join(); 430 mCaptureSequencer->join(); 431 mJpegProcessor->join(); 432 mZslProcessorThread->join(); 433 mCallbackProcessor->join(); 434 435 mBinderSerializationLock.lock(); 436 } 437 438 ALOGV("Camera %d: Deleting streams", mCameraId); 439 440 mStreamingProcessor->deletePreviewStream(); 441 mStreamingProcessor->deleteRecordingStream(); 442 mJpegProcessor->deleteStream(); 443 mCallbackProcessor->deleteStream(); 444 mZslProcessor->deleteStream(); 445 446 // Remove all ZSL stream state before disconnect; needed to work around b/15408128. 447 mZslProcessor->disconnect(); 448 449 ALOGV("Camera %d: Disconnecting device", mCameraId); 450 451 mDevice->disconnect(); 452 453 mDevice.clear(); 454 455 CameraService::Client::disconnect(); 456} 457 458status_t Camera2Client::connect(const sp<ICameraClient>& client) { 459 ATRACE_CALL(); 460 ALOGV("%s: E", __FUNCTION__); 461 Mutex::Autolock icl(mBinderSerializationLock); 462 463 if (mClientPid != 0 && getCallingPid() != mClientPid) { 464 ALOGE("%s: Camera %d: Connection attempt from pid %d; " 465 "current locked to pid %d", __FUNCTION__, 466 mCameraId, getCallingPid(), mClientPid); 467 return BAD_VALUE; 468 } 469 470 mClientPid = getCallingPid(); 471 472 mRemoteCallback = client; 473 mSharedCameraCallbacks = client; 474 475 return OK; 476} 477 478status_t Camera2Client::lock() { 479 ATRACE_CALL(); 480 ALOGV("%s: E", __FUNCTION__); 481 Mutex::Autolock icl(mBinderSerializationLock); 482 ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d", 483 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 484 485 if (mClientPid == 0) { 486 mClientPid = getCallingPid(); 487 return OK; 488 } 489 490 if (mClientPid != getCallingPid()) { 491 ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d", 492 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 493 return EBUSY; 494 } 495 496 return OK; 497} 498 499status_t Camera2Client::unlock() { 500 ATRACE_CALL(); 501 ALOGV("%s: E", __FUNCTION__); 502 Mutex::Autolock icl(mBinderSerializationLock); 503 ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d", 504 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 505 506 if (mClientPid == getCallingPid()) { 507 SharedParameters::Lock l(mParameters); 508 if (l.mParameters.state == Parameters::RECORD || 509 l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 510 ALOGD("Not allowed to unlock camera during recording."); 511 return INVALID_OPERATION; 512 } 513 mClientPid = 0; 514 mRemoteCallback.clear(); 515 mSharedCameraCallbacks.clear(); 516 return OK; 517 } 518 519 ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d", 520 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 521 return EBUSY; 522} 523 524status_t Camera2Client::setPreviewTarget( 525 const sp<IGraphicBufferProducer>& bufferProducer) { 526 ATRACE_CALL(); 527 ALOGV("%s: E", __FUNCTION__); 528 Mutex::Autolock icl(mBinderSerializationLock); 529 status_t res; 530 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 531 532 sp<IBinder> binder; 533 sp<ANativeWindow> window; 534 if (bufferProducer != 0) { 535 binder = IInterface::asBinder(bufferProducer); 536 // Using controlledByApp flag to ensure that the buffer queue remains in 537 // async mode for the old camera API, where many applications depend 538 // on that behavior. 539 window = new Surface(bufferProducer, /*controlledByApp*/ true); 540 } 541 return setPreviewWindowL(binder, window); 542} 543 544status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder, 545 sp<ANativeWindow> window) { 546 ATRACE_CALL(); 547 status_t res; 548 549 if (binder == mPreviewSurface) { 550 ALOGV("%s: Camera %d: New window is same as old window", 551 __FUNCTION__, mCameraId); 552 return NO_ERROR; 553 } 554 555 Parameters::State state; 556 { 557 SharedParameters::Lock l(mParameters); 558 state = l.mParameters.state; 559 } 560 switch (state) { 561 case Parameters::DISCONNECTED: 562 case Parameters::RECORD: 563 case Parameters::STILL_CAPTURE: 564 case Parameters::VIDEO_SNAPSHOT: 565 ALOGE("%s: Camera %d: Cannot set preview display while in state %s", 566 __FUNCTION__, mCameraId, 567 Parameters::getStateName(state)); 568 return INVALID_OPERATION; 569 case Parameters::STOPPED: 570 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 571 // OK 572 break; 573 case Parameters::PREVIEW: 574 // Already running preview - need to stop and create a new stream 575 res = stopStream(); 576 if (res != OK) { 577 ALOGE("%s: Unable to stop preview to swap windows: %s (%d)", 578 __FUNCTION__, strerror(-res), res); 579 return res; 580 } 581 state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 582 break; 583 } 584 585 mPreviewSurface = binder; 586 res = mStreamingProcessor->setPreviewWindow(window); 587 if (res != OK) { 588 ALOGE("%s: Unable to set new preview window: %s (%d)", 589 __FUNCTION__, strerror(-res), res); 590 return res; 591 } 592 593 if (state == Parameters::WAITING_FOR_PREVIEW_WINDOW) { 594 SharedParameters::Lock l(mParameters); 595 l.mParameters.state = state; 596 return startPreviewL(l.mParameters, false); 597 } 598 599 return OK; 600} 601 602void Camera2Client::setPreviewCallbackFlag(int flag) { 603 ATRACE_CALL(); 604 ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag); 605 Mutex::Autolock icl(mBinderSerializationLock); 606 607 if ( checkPid(__FUNCTION__) != OK) return; 608 609 SharedParameters::Lock l(mParameters); 610 setPreviewCallbackFlagL(l.mParameters, flag); 611} 612 613void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) { 614 status_t res = OK; 615 616 switch(params.state) { 617 case Parameters::STOPPED: 618 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 619 case Parameters::PREVIEW: 620 case Parameters::STILL_CAPTURE: 621 // OK 622 break; 623 default: 624 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 625 ALOGE("%s: Camera %d: Can't use preview callbacks " 626 "in state %d", __FUNCTION__, mCameraId, params.state); 627 return; 628 } 629 } 630 631 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) { 632 ALOGV("%s: setting oneshot", __FUNCTION__); 633 params.previewCallbackOneShot = true; 634 } 635 if (params.previewCallbackFlags != (uint32_t)flag) { 636 637 if (params.previewCallbackSurface && flag != CAMERA_FRAME_CALLBACK_FLAG_NOOP) { 638 // Disable any existing preview callback window when enabling 639 // preview callback flags 640 res = mCallbackProcessor->setCallbackWindow(NULL); 641 if (res != OK) { 642 ALOGE("%s: Camera %d: Unable to clear preview callback surface:" 643 " %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res); 644 return; 645 } 646 params.previewCallbackSurface = false; 647 } 648 649 params.previewCallbackFlags = flag; 650 651 if (params.state == Parameters::PREVIEW) { 652 res = startPreviewL(params, true); 653 if (res != OK) { 654 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 655 __FUNCTION__, mCameraId, 656 Parameters::getStateName(params.state)); 657 } 658 } 659 } 660} 661 662status_t Camera2Client::setPreviewCallbackTarget( 663 const sp<IGraphicBufferProducer>& callbackProducer) { 664 ATRACE_CALL(); 665 ALOGV("%s: E", __FUNCTION__); 666 Mutex::Autolock icl(mBinderSerializationLock); 667 status_t res; 668 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 669 670 sp<ANativeWindow> window; 671 if (callbackProducer != 0) { 672 window = new Surface(callbackProducer); 673 } 674 675 res = mCallbackProcessor->setCallbackWindow(window); 676 if (res != OK) { 677 ALOGE("%s: Camera %d: Unable to set preview callback surface: %s (%d)", 678 __FUNCTION__, mCameraId, strerror(-res), res); 679 return res; 680 } 681 682 SharedParameters::Lock l(mParameters); 683 684 if (window != NULL) { 685 // Disable traditional callbacks when a valid callback target is given 686 l.mParameters.previewCallbackFlags = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 687 l.mParameters.previewCallbackOneShot = false; 688 l.mParameters.previewCallbackSurface = true; 689 } else { 690 // Disable callback target if given a NULL interface. 691 l.mParameters.previewCallbackSurface = false; 692 } 693 694 switch(l.mParameters.state) { 695 case Parameters::PREVIEW: 696 res = startPreviewL(l.mParameters, true); 697 break; 698 case Parameters::RECORD: 699 case Parameters::VIDEO_SNAPSHOT: 700 res = startRecordingL(l.mParameters, true); 701 break; 702 default: 703 break; 704 } 705 if (res != OK) { 706 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 707 __FUNCTION__, mCameraId, 708 Parameters::getStateName(l.mParameters.state)); 709 } 710 711 return OK; 712} 713 714 715status_t Camera2Client::startPreview() { 716 ATRACE_CALL(); 717 ALOGV("%s: E", __FUNCTION__); 718 Mutex::Autolock icl(mBinderSerializationLock); 719 status_t res; 720 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 721 SharedParameters::Lock l(mParameters); 722 return startPreviewL(l.mParameters, false); 723} 724 725status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) { 726 ATRACE_CALL(); 727 status_t res; 728 729 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 730 731 if ( (params.state == Parameters::PREVIEW || 732 params.state == Parameters::RECORD || 733 params.state == Parameters::VIDEO_SNAPSHOT) 734 && !restart) { 735 // Succeed attempt to re-enter a streaming state 736 ALOGI("%s: Camera %d: Preview already active, ignoring restart", 737 __FUNCTION__, mCameraId); 738 return OK; 739 } 740 if (params.state > Parameters::PREVIEW && !restart) { 741 ALOGE("%s: Can't start preview in state %s", 742 __FUNCTION__, 743 Parameters::getStateName(params.state)); 744 return INVALID_OPERATION; 745 } 746 747 if (!mStreamingProcessor->haveValidPreviewWindow()) { 748 params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 749 return OK; 750 } 751 params.state = Parameters::STOPPED; 752 int lastPreviewStreamId = mStreamingProcessor->getPreviewStreamId(); 753 754 res = mStreamingProcessor->updatePreviewStream(params); 755 if (res != OK) { 756 ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)", 757 __FUNCTION__, mCameraId, strerror(-res), res); 758 return res; 759 } 760 761 bool previewStreamChanged = mStreamingProcessor->getPreviewStreamId() != lastPreviewStreamId; 762 763 // We could wait to create the JPEG output stream until first actual use 764 // (first takePicture call). However, this would substantially increase the 765 // first capture latency on HAL3 devices, and potentially on some HAL2 766 // devices. So create it unconditionally at preview start. As a drawback, 767 // this increases gralloc memory consumption for applications that don't 768 // ever take a picture. 769 // TODO: Find a better compromise, though this likely would involve HAL 770 // changes. 771 int lastJpegStreamId = mJpegProcessor->getStreamId(); 772 res = updateProcessorStream(mJpegProcessor, params); 773 if (res != OK) { 774 ALOGE("%s: Camera %d: Can't pre-configure still image " 775 "stream: %s (%d)", 776 __FUNCTION__, mCameraId, strerror(-res), res); 777 return res; 778 } 779 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 780 781 Vector<int32_t> outputStreams; 782 bool callbacksEnabled = (params.previewCallbackFlags & 783 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) || 784 params.previewCallbackSurface; 785 786 if (callbacksEnabled) { 787 // Can't have recording stream hanging around when enabling callbacks, 788 // since it exceeds the max stream count on some devices. 789 if (mStreamingProcessor->getRecordingStreamId() != NO_STREAM) { 790 ALOGV("%s: Camera %d: Clearing out recording stream before " 791 "creating callback stream", __FUNCTION__, mCameraId); 792 res = mStreamingProcessor->stopStream(); 793 if (res != OK) { 794 ALOGE("%s: Camera %d: Can't stop streaming to delete " 795 "recording stream", __FUNCTION__, mCameraId); 796 return res; 797 } 798 res = mStreamingProcessor->deleteRecordingStream(); 799 if (res != OK) { 800 ALOGE("%s: Camera %d: Unable to delete recording stream before " 801 "enabling callbacks: %s (%d)", __FUNCTION__, mCameraId, 802 strerror(-res), res); 803 return res; 804 } 805 } 806 807 res = mCallbackProcessor->updateStream(params); 808 if (res != OK) { 809 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 810 __FUNCTION__, mCameraId, strerror(-res), res); 811 return res; 812 } 813 outputStreams.push(getCallbackStreamId()); 814 } else if (previewStreamChanged && mCallbackProcessor->getStreamId() != NO_STREAM) { 815 /** 816 * Delete the unused callback stream when preview stream is changed and 817 * preview is not enabled. Don't need stop preview stream as preview is in 818 * STOPPED state now. 819 */ 820 ALOGV("%s: Camera %d: Delete unused preview callback stream.", __FUNCTION__, mCameraId); 821 res = mCallbackProcessor->deleteStream(); 822 if (res != OK) { 823 ALOGE("%s: Camera %d: Unable to delete callback stream %s (%d)", 824 __FUNCTION__, mCameraId, strerror(-res), res); 825 return res; 826 } 827 } 828 829 if (params.zslMode && !params.recordingHint && 830 getRecordingStreamId() == NO_STREAM) { 831 res = updateProcessorStream(mZslProcessor, params); 832 if (res != OK) { 833 ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)", 834 __FUNCTION__, mCameraId, strerror(-res), res); 835 return res; 836 } 837 838 if (jpegStreamChanged) { 839 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 840 __FUNCTION__, mCameraId); 841 mZslProcessor->clearZslQueue(); 842 } 843 outputStreams.push(getZslStreamId()); 844 } else { 845 mZslProcessor->deleteStream(); 846 } 847 848 outputStreams.push(getPreviewStreamId()); 849 850 if (!params.recordingHint) { 851 if (!restart) { 852 res = mStreamingProcessor->updatePreviewRequest(params); 853 if (res != OK) { 854 ALOGE("%s: Camera %d: Can't set up preview request: " 855 "%s (%d)", __FUNCTION__, mCameraId, 856 strerror(-res), res); 857 return res; 858 } 859 } 860 res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW, 861 outputStreams); 862 } else { 863 if (!restart) { 864 res = mStreamingProcessor->updateRecordingRequest(params); 865 if (res != OK) { 866 ALOGE("%s: Camera %d: Can't set up preview request with " 867 "record hint: %s (%d)", __FUNCTION__, mCameraId, 868 strerror(-res), res); 869 return res; 870 } 871 } 872 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 873 outputStreams); 874 } 875 if (res != OK) { 876 ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)", 877 __FUNCTION__, mCameraId, strerror(-res), res); 878 return res; 879 } 880 881 params.state = Parameters::PREVIEW; 882 return OK; 883} 884 885void Camera2Client::stopPreview() { 886 ATRACE_CALL(); 887 ALOGV("%s: E", __FUNCTION__); 888 Mutex::Autolock icl(mBinderSerializationLock); 889 status_t res; 890 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 891 stopPreviewL(); 892} 893 894void Camera2Client::stopPreviewL() { 895 ATRACE_CALL(); 896 status_t res; 897 const nsecs_t kStopCaptureTimeout = 3000000000LL; // 3 seconds 898 Parameters::State state; 899 { 900 SharedParameters::Lock l(mParameters); 901 state = l.mParameters.state; 902 } 903 904 switch (state) { 905 case Parameters::DISCONNECTED: 906 // Nothing to do. 907 break; 908 case Parameters::STOPPED: 909 case Parameters::VIDEO_SNAPSHOT: 910 case Parameters::STILL_CAPTURE: 911 mCaptureSequencer->waitUntilIdle(kStopCaptureTimeout); 912 // no break 913 case Parameters::RECORD: 914 case Parameters::PREVIEW: 915 syncWithDevice(); 916 res = stopStream(); 917 if (res != OK) { 918 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)", 919 __FUNCTION__, mCameraId, strerror(-res), res); 920 } 921 res = mDevice->waitUntilDrained(); 922 if (res != OK) { 923 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 924 __FUNCTION__, mCameraId, strerror(-res), res); 925 } 926 // Clean up recording stream 927 res = mStreamingProcessor->deleteRecordingStream(); 928 if (res != OK) { 929 ALOGE("%s: Camera %d: Unable to delete recording stream before " 930 "stop preview: %s (%d)", 931 __FUNCTION__, mCameraId, strerror(-res), res); 932 } 933 { 934 // Ideally we should recover the override after recording stopped, but 935 // right now recording stream will live until here, so we are forced to 936 // recover here. TODO: find a better way to handle that (b/17495165) 937 SharedParameters::Lock l(mParameters); 938 l.mParameters.recoverOverriddenJpegSize(); 939 } 940 // no break 941 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 942 SharedParameters::Lock l(mParameters); 943 l.mParameters.state = Parameters::STOPPED; 944 commandStopFaceDetectionL(l.mParameters); 945 break; 946 } 947 default: 948 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 949 state); 950 } 951} 952 953bool Camera2Client::previewEnabled() { 954 ATRACE_CALL(); 955 Mutex::Autolock icl(mBinderSerializationLock); 956 status_t res; 957 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 958 959 SharedParameters::Lock l(mParameters); 960 return l.mParameters.state == Parameters::PREVIEW; 961} 962 963status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 964 ATRACE_CALL(); 965 Mutex::Autolock icl(mBinderSerializationLock); 966 status_t res; 967 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 968 969 SharedParameters::Lock l(mParameters); 970 switch (l.mParameters.state) { 971 case Parameters::RECORD: 972 case Parameters::VIDEO_SNAPSHOT: 973 ALOGE("%s: Camera %d: Can't be called in state %s", 974 __FUNCTION__, mCameraId, 975 Parameters::getStateName(l.mParameters.state)); 976 return INVALID_OPERATION; 977 default: 978 // OK 979 break; 980 } 981 982 l.mParameters.storeMetadataInBuffers = enabled; 983 984 return OK; 985} 986 987status_t Camera2Client::startRecording() { 988 ATRACE_CALL(); 989 ALOGV("%s: E", __FUNCTION__); 990 Mutex::Autolock icl(mBinderSerializationLock); 991 status_t res; 992 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 993 SharedParameters::Lock l(mParameters); 994 995 return startRecordingL(l.mParameters, false); 996} 997 998status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 999 status_t res; 1000 1001 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 1002 1003 switch (params.state) { 1004 case Parameters::STOPPED: 1005 res = startPreviewL(params, false); 1006 if (res != OK) return res; 1007 // Make sure first preview request is submitted to the HAL device to avoid 1008 // two consecutive set of configure_streams being called into the HAL. 1009 // TODO: Refactor this to avoid initial preview configuration. 1010 syncWithDevice(); 1011 break; 1012 case Parameters::PREVIEW: 1013 // Ready to go 1014 break; 1015 case Parameters::RECORD: 1016 case Parameters::VIDEO_SNAPSHOT: 1017 // OK to call this when recording is already on, just skip unless 1018 // we're looking to restart 1019 if (!restart) return OK; 1020 break; 1021 default: 1022 ALOGE("%s: Camera %d: Can't start recording in state %s", 1023 __FUNCTION__, mCameraId, 1024 Parameters::getStateName(params.state)); 1025 return INVALID_OPERATION; 1026 }; 1027 1028 if (!params.storeMetadataInBuffers) { 1029 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1030 "non-metadata recording mode requested!", __FUNCTION__, 1031 mCameraId); 1032 return INVALID_OPERATION; 1033 } 1034 1035 if (!restart) { 1036 mCameraService->playSound(CameraService::SOUND_RECORDING); 1037 mStreamingProcessor->updateRecordingRequest(params); 1038 if (res != OK) { 1039 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1040 __FUNCTION__, mCameraId, strerror(-res), res); 1041 return res; 1042 } 1043 } 1044 1045 // Not all devices can support a preview callback stream and a recording 1046 // stream at the same time, so assume none of them can. 1047 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1048 ALOGV("%s: Camera %d: Clearing out callback stream before " 1049 "creating recording stream", __FUNCTION__, mCameraId); 1050 res = mStreamingProcessor->stopStream(); 1051 if (res != OK) { 1052 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1053 __FUNCTION__, mCameraId); 1054 return res; 1055 } 1056 res = mCallbackProcessor->deleteStream(); 1057 if (res != OK) { 1058 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1059 "record: %s (%d)", __FUNCTION__, mCameraId, 1060 strerror(-res), res); 1061 return res; 1062 } 1063 } 1064 1065 // On current HALs, clean up ZSL before transitioning into recording 1066 if (mDeviceVersion != CAMERA_DEVICE_API_VERSION_2_0) { 1067 if (mZslProcessor->getStreamId() != NO_STREAM) { 1068 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1069 "creating recording stream", __FUNCTION__, mCameraId); 1070 res = mStreamingProcessor->stopStream(); 1071 if (res != OK) { 1072 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1073 __FUNCTION__, mCameraId); 1074 return res; 1075 } 1076 res = mDevice->waitUntilDrained(); 1077 if (res != OK) { 1078 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1079 __FUNCTION__, mCameraId, strerror(-res), res); 1080 } 1081 res = mZslProcessor->clearZslQueue(); 1082 if (res != OK) { 1083 ALOGE("%s: Camera %d: Can't clear zsl queue", 1084 __FUNCTION__, mCameraId); 1085 return res; 1086 } 1087 res = mZslProcessor->deleteStream(); 1088 if (res != OK) { 1089 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1090 "record: %s (%d)", __FUNCTION__, mCameraId, 1091 strerror(-res), res); 1092 return res; 1093 } 1094 } 1095 } 1096 1097 // Disable callbacks if they're enabled; can't record and use callbacks, 1098 // and we can't fail record start without stagefright asserting. 1099 params.previewCallbackFlags = 0; 1100 1101 if (mDeviceVersion != CAMERA_DEVICE_API_VERSION_2_0) { 1102 // For newer devices, may need to reconfigure video snapshot JPEG sizes 1103 // during recording startup, so need a more complex sequence here to 1104 // ensure an early stream reconfiguration doesn't happen 1105 bool recordingStreamNeedsUpdate; 1106 res = mStreamingProcessor->recordingStreamNeedsUpdate(params, &recordingStreamNeedsUpdate); 1107 if (res != OK) { 1108 ALOGE("%s: Camera %d: Can't query recording stream", 1109 __FUNCTION__, mCameraId); 1110 return res; 1111 } 1112 1113 if (recordingStreamNeedsUpdate) { 1114 // Need to stop stream here so updateProcessorStream won't trigger configureStream 1115 // Right now camera device cannot handle configureStream failure gracefully 1116 // when device is streaming 1117 res = mStreamingProcessor->stopStream(); 1118 if (res != OK) { 1119 ALOGE("%s: Camera %d: Can't stop streaming to update record " 1120 "stream", __FUNCTION__, mCameraId); 1121 return res; 1122 } 1123 res = mDevice->waitUntilDrained(); 1124 if (res != OK) { 1125 ALOGE("%s: Camera %d: Waiting to stop streaming failed: " 1126 "%s (%d)", __FUNCTION__, mCameraId, 1127 strerror(-res), res); 1128 } 1129 1130 res = updateProcessorStream< 1131 StreamingProcessor, 1132 &StreamingProcessor::updateRecordingStream>( 1133 mStreamingProcessor, 1134 params); 1135 if (res != OK) { 1136 ALOGE("%s: Camera %d: Unable to update recording stream: " 1137 "%s (%d)", __FUNCTION__, mCameraId, 1138 strerror(-res), res); 1139 return res; 1140 } 1141 } 1142 } else { 1143 // Maintain call sequencing for HALv2 devices. 1144 res = updateProcessorStream< 1145 StreamingProcessor, 1146 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1147 params); 1148 if (res != OK) { 1149 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1150 __FUNCTION__, mCameraId, strerror(-res), res); 1151 return res; 1152 } 1153 } 1154 1155 Vector<int32_t> outputStreams; 1156 outputStreams.push(getPreviewStreamId()); 1157 outputStreams.push(getRecordingStreamId()); 1158 1159 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1160 outputStreams); 1161 1162 // startStream might trigger a configureStream call and device might fail 1163 // configureStream due to jpeg size > video size. Try again with jpeg size overridden 1164 // to video size. 1165 if (res == BAD_VALUE) { 1166 overrideVideoSnapshotSize(params); 1167 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1168 outputStreams); 1169 } 1170 1171 if (res != OK) { 1172 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1173 __FUNCTION__, mCameraId, strerror(-res), res); 1174 return res; 1175 } 1176 1177 if (params.state < Parameters::RECORD) { 1178 params.state = Parameters::RECORD; 1179 } 1180 1181 return OK; 1182} 1183 1184void Camera2Client::stopRecording() { 1185 ATRACE_CALL(); 1186 ALOGV("%s: E", __FUNCTION__); 1187 Mutex::Autolock icl(mBinderSerializationLock); 1188 SharedParameters::Lock l(mParameters); 1189 1190 status_t res; 1191 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1192 1193 switch (l.mParameters.state) { 1194 case Parameters::RECORD: 1195 // OK to stop 1196 break; 1197 case Parameters::STOPPED: 1198 case Parameters::PREVIEW: 1199 case Parameters::STILL_CAPTURE: 1200 case Parameters::VIDEO_SNAPSHOT: 1201 default: 1202 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1203 __FUNCTION__, mCameraId, 1204 Parameters::getStateName(l.mParameters.state)); 1205 return; 1206 }; 1207 1208 mCameraService->playSound(CameraService::SOUND_RECORDING); 1209 1210 res = startPreviewL(l.mParameters, true); 1211 if (res != OK) { 1212 ALOGE("%s: Camera %d: Unable to return to preview", 1213 __FUNCTION__, mCameraId); 1214 } 1215} 1216 1217bool Camera2Client::recordingEnabled() { 1218 ATRACE_CALL(); 1219 Mutex::Autolock icl(mBinderSerializationLock); 1220 1221 if ( checkPid(__FUNCTION__) != OK) return false; 1222 1223 return recordingEnabledL(); 1224} 1225 1226bool Camera2Client::recordingEnabledL() { 1227 ATRACE_CALL(); 1228 SharedParameters::Lock l(mParameters); 1229 1230 return (l.mParameters.state == Parameters::RECORD 1231 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1232} 1233 1234void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1235 ATRACE_CALL(); 1236 Mutex::Autolock icl(mBinderSerializationLock); 1237 if ( checkPid(__FUNCTION__) != OK) return; 1238 1239 mStreamingProcessor->releaseRecordingFrame(mem); 1240} 1241 1242status_t Camera2Client::autoFocus() { 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 bool notifyImmediately = false; 1251 bool notifySuccess = false; 1252 { 1253 SharedParameters::Lock l(mParameters); 1254 if (l.mParameters.state < Parameters::PREVIEW) { 1255 ALOGE("%s: Camera %d: Call autoFocus when preview is inactive (state = %d).", 1256 __FUNCTION__, mCameraId, l.mParameters.state); 1257 return INVALID_OPERATION; 1258 } 1259 1260 /** 1261 * If the camera does not support auto-focus, it is a no-op and 1262 * onAutoFocus(boolean, Camera) callback will be called immediately 1263 * with a fake value of success set to true. 1264 * 1265 * Similarly, if focus mode is set to INFINITY, there's no reason to 1266 * bother the HAL. 1267 */ 1268 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1269 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1270 notifyImmediately = true; 1271 notifySuccess = true; 1272 } 1273 /** 1274 * If we're in CAF mode, and AF has already been locked, just fire back 1275 * the callback right away; the HAL would not send a notification since 1276 * no state change would happen on a AF trigger. 1277 */ 1278 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1279 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1280 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1281 notifyImmediately = true; 1282 notifySuccess = true; 1283 } 1284 /** 1285 * Send immediate notification back to client 1286 */ 1287 if (notifyImmediately) { 1288 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1289 if (l.mRemoteCallback != 0) { 1290 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1291 notifySuccess ? 1 : 0, 0); 1292 } 1293 return OK; 1294 } 1295 /** 1296 * Handle quirk mode for AF in scene modes 1297 */ 1298 if (l.mParameters.quirks.triggerAfWithAuto && 1299 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1300 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1301 !l.mParameters.focusingAreas[0].isEmpty()) { 1302 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1303 __FUNCTION__, l.mParameters.focusMode); 1304 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1305 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1306 updateRequests(l.mParameters); 1307 } 1308 1309 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1310 triggerId = l.mParameters.currentAfTriggerId; 1311 } 1312 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1313 1314 syncWithDevice(); 1315 1316 mDevice->triggerAutofocus(triggerId); 1317 1318 return OK; 1319} 1320 1321status_t Camera2Client::cancelAutoFocus() { 1322 ATRACE_CALL(); 1323 Mutex::Autolock icl(mBinderSerializationLock); 1324 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1325 status_t res; 1326 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1327 1328 int triggerId; 1329 { 1330 SharedParameters::Lock l(mParameters); 1331 // Canceling does nothing in FIXED or INFINITY modes 1332 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1333 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1334 return OK; 1335 } 1336 1337 // An active AF trigger is canceled 1338 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1339 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1340 } 1341 1342 triggerId = ++l.mParameters.afTriggerCounter; 1343 1344 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1345 // the real state at this point. No need to cancel explicitly if 1346 // changing the AF mode. 1347 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1348 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1349 l.mParameters.shadowFocusMode); 1350 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1351 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1352 updateRequests(l.mParameters); 1353 1354 return OK; 1355 } 1356 if (l.mParameters.zslMode) { 1357 mZslProcessor->clearZslQueue(); 1358 } 1359 } 1360 syncWithDevice(); 1361 1362 mDevice->triggerCancelAutofocus(triggerId); 1363 1364 return OK; 1365} 1366 1367status_t Camera2Client::takePicture(int msgType) { 1368 ATRACE_CALL(); 1369 Mutex::Autolock icl(mBinderSerializationLock); 1370 status_t res; 1371 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1372 1373 int takePictureCounter; 1374 { 1375 SharedParameters::Lock l(mParameters); 1376 switch (l.mParameters.state) { 1377 case Parameters::DISCONNECTED: 1378 case Parameters::STOPPED: 1379 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1380 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1381 __FUNCTION__, mCameraId); 1382 return INVALID_OPERATION; 1383 case Parameters::PREVIEW: 1384 // Good to go for takePicture 1385 res = commandStopFaceDetectionL(l.mParameters); 1386 if (res != OK) { 1387 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1388 __FUNCTION__, mCameraId); 1389 return res; 1390 } 1391 l.mParameters.state = Parameters::STILL_CAPTURE; 1392 break; 1393 case Parameters::RECORD: 1394 // Good to go for video snapshot 1395 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1396 break; 1397 case Parameters::STILL_CAPTURE: 1398 case Parameters::VIDEO_SNAPSHOT: 1399 ALOGE("%s: Camera %d: Already taking a picture", 1400 __FUNCTION__, mCameraId); 1401 return INVALID_OPERATION; 1402 } 1403 1404 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1405 1406 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1407 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1408 // If video snapshot fail to configureStream, try override video snapshot size to 1409 // video size 1410 if (res == BAD_VALUE && l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 1411 overrideVideoSnapshotSize(l.mParameters); 1412 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1413 } 1414 if (res != OK) { 1415 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1416 __FUNCTION__, mCameraId, strerror(-res), res); 1417 return res; 1418 } 1419 takePictureCounter = ++l.mParameters.takePictureCounter; 1420 1421 // Clear ZSL buffer queue when Jpeg size is changed. 1422 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1423 if (l.mParameters.zslMode && jpegStreamChanged) { 1424 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1425 __FUNCTION__, mCameraId); 1426 mZslProcessor->clearZslQueue(); 1427 } 1428 } 1429 1430 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1431 1432 // Need HAL to have correct settings before (possibly) triggering precapture 1433 syncWithDevice(); 1434 1435 res = mCaptureSequencer->startCapture(msgType); 1436 if (res != OK) { 1437 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1438 __FUNCTION__, mCameraId, strerror(-res), res); 1439 } 1440 1441 return res; 1442} 1443 1444status_t Camera2Client::setParameters(const String8& params) { 1445 ATRACE_CALL(); 1446 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1447 Mutex::Autolock icl(mBinderSerializationLock); 1448 status_t res; 1449 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1450 1451 SharedParameters::Lock l(mParameters); 1452 1453 Parameters::focusMode_t focusModeBefore = l.mParameters.focusMode; 1454 res = l.mParameters.set(params); 1455 if (res != OK) return res; 1456 Parameters::focusMode_t focusModeAfter = l.mParameters.focusMode; 1457 1458 if (l.mParameters.zslMode && focusModeAfter != focusModeBefore) { 1459 mZslProcessor->clearZslQueue(); 1460 } 1461 1462 res = updateRequests(l.mParameters); 1463 1464 return res; 1465} 1466 1467String8 Camera2Client::getParameters() const { 1468 ATRACE_CALL(); 1469 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1470 Mutex::Autolock icl(mBinderSerializationLock); 1471 // The camera service can unconditionally get the parameters at all times 1472 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1473 1474 SharedParameters::ReadLock l(mParameters); 1475 1476 return l.mParameters.get(); 1477} 1478 1479status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1480 ATRACE_CALL(); 1481 Mutex::Autolock icl(mBinderSerializationLock); 1482 status_t res; 1483 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1484 1485 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1486 cmd, arg1, arg2); 1487 1488 switch (cmd) { 1489 case CAMERA_CMD_START_SMOOTH_ZOOM: 1490 return commandStartSmoothZoomL(); 1491 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1492 return commandStopSmoothZoomL(); 1493 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1494 return commandSetDisplayOrientationL(arg1); 1495 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1496 return commandEnableShutterSoundL(arg1 == 1); 1497 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1498 return commandPlayRecordingSoundL(); 1499 case CAMERA_CMD_START_FACE_DETECTION: 1500 return commandStartFaceDetectionL(arg1); 1501 case CAMERA_CMD_STOP_FACE_DETECTION: { 1502 SharedParameters::Lock l(mParameters); 1503 return commandStopFaceDetectionL(l.mParameters); 1504 } 1505 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1506 return commandEnableFocusMoveMsgL(arg1 == 1); 1507 case CAMERA_CMD_PING: 1508 return commandPingL(); 1509 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1510 return commandSetVideoBufferCountL(arg1); 1511 default: 1512 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1513 __FUNCTION__, cmd, arg1, arg2); 1514 return BAD_VALUE; 1515 } 1516} 1517 1518status_t Camera2Client::commandStartSmoothZoomL() { 1519 ALOGE("%s: Unimplemented!", __FUNCTION__); 1520 return OK; 1521} 1522 1523status_t Camera2Client::commandStopSmoothZoomL() { 1524 ALOGE("%s: Unimplemented!", __FUNCTION__); 1525 return OK; 1526} 1527 1528status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1529 int transform = Parameters::degToTransform(degrees, 1530 mCameraFacing == CAMERA_FACING_FRONT); 1531 if (transform == -1) { 1532 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1533 __FUNCTION__, mCameraId, degrees); 1534 return BAD_VALUE; 1535 } 1536 SharedParameters::Lock l(mParameters); 1537 if (transform != l.mParameters.previewTransform && 1538 getPreviewStreamId() != NO_STREAM) { 1539 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1540 } 1541 l.mParameters.previewTransform = transform; 1542 return OK; 1543} 1544 1545status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1546 SharedParameters::Lock l(mParameters); 1547 if (enable) { 1548 l.mParameters.playShutterSound = true; 1549 return OK; 1550 } 1551 1552 // the camera2 api legacy mode can unconditionally disable the shutter sound 1553 if (mLegacyMode) { 1554 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1555 l.mParameters.playShutterSound = false; 1556 return OK; 1557 } 1558 1559 // Disabling shutter sound may not be allowed. In that case only 1560 // allow the mediaserver process to disable the sound. 1561 char value[PROPERTY_VALUE_MAX]; 1562 property_get("ro.camera.sound.forced", value, "0"); 1563 if (strncmp(value, "0", 2) != 0) { 1564 // Disabling shutter sound is not allowed. Deny if the current 1565 // process is not mediaserver. 1566 if (getCallingPid() != getpid()) { 1567 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1568 getCallingPid()); 1569 return PERMISSION_DENIED; 1570 } 1571 } 1572 1573 l.mParameters.playShutterSound = false; 1574 return OK; 1575} 1576 1577status_t Camera2Client::commandPlayRecordingSoundL() { 1578 mCameraService->playSound(CameraService::SOUND_RECORDING); 1579 return OK; 1580} 1581 1582status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1583 ALOGV("%s: Camera %d: Starting face detection", 1584 __FUNCTION__, mCameraId); 1585 status_t res; 1586 SharedParameters::Lock l(mParameters); 1587 switch (l.mParameters.state) { 1588 case Parameters::DISCONNECTED: 1589 case Parameters::STOPPED: 1590 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1591 case Parameters::STILL_CAPTURE: 1592 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1593 __FUNCTION__, mCameraId); 1594 return INVALID_OPERATION; 1595 case Parameters::PREVIEW: 1596 case Parameters::RECORD: 1597 case Parameters::VIDEO_SNAPSHOT: 1598 // Good to go for starting face detect 1599 break; 1600 } 1601 // Ignoring type 1602 if (l.mParameters.fastInfo.bestFaceDetectMode == 1603 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1604 ALOGE("%s: Camera %d: Face detection not supported", 1605 __FUNCTION__, mCameraId); 1606 return BAD_VALUE; 1607 } 1608 if (l.mParameters.enableFaceDetect) return OK; 1609 1610 l.mParameters.enableFaceDetect = true; 1611 1612 res = updateRequests(l.mParameters); 1613 1614 return res; 1615} 1616 1617status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1618 status_t res = OK; 1619 ALOGV("%s: Camera %d: Stopping face detection", 1620 __FUNCTION__, mCameraId); 1621 1622 if (!params.enableFaceDetect) return OK; 1623 1624 params.enableFaceDetect = false; 1625 1626 if (params.state == Parameters::PREVIEW 1627 || params.state == Parameters::RECORD 1628 || params.state == Parameters::VIDEO_SNAPSHOT) { 1629 res = updateRequests(params); 1630 } 1631 1632 return res; 1633} 1634 1635status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1636 SharedParameters::Lock l(mParameters); 1637 l.mParameters.enableFocusMoveMessages = enable; 1638 1639 return OK; 1640} 1641 1642status_t Camera2Client::commandPingL() { 1643 // Always ping back if access is proper and device is alive 1644 SharedParameters::Lock l(mParameters); 1645 if (l.mParameters.state != Parameters::DISCONNECTED) { 1646 return OK; 1647 } else { 1648 return NO_INIT; 1649 } 1650} 1651 1652status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1653 if (recordingEnabledL()) { 1654 ALOGE("%s: Camera %d: Error setting video buffer count after " 1655 "recording was started", __FUNCTION__, mCameraId); 1656 return INVALID_OPERATION; 1657 } 1658 1659 return mStreamingProcessor->setRecordingBufferCount(count); 1660} 1661 1662/** Device-related methods */ 1663void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1664 ALOGV("%s: Autofocus state now %d, last trigger %d", 1665 __FUNCTION__, newState, triggerId); 1666 bool sendCompletedMessage = false; 1667 bool sendMovingMessage = false; 1668 1669 bool success = false; 1670 bool afInMotion = false; 1671 { 1672 SharedParameters::Lock l(mParameters); 1673 // Trace end of AF state 1674 char tmp[32]; 1675 if (l.mParameters.afStateCounter > 0) { 1676 camera_metadata_enum_snprint( 1677 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1678 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1679 } 1680 1681 // Update state 1682 l.mParameters.focusState = newState; 1683 l.mParameters.afStateCounter++; 1684 1685 // Trace start of AF state 1686 1687 camera_metadata_enum_snprint( 1688 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1689 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1690 1691 switch (l.mParameters.focusMode) { 1692 case Parameters::FOCUS_MODE_AUTO: 1693 case Parameters::FOCUS_MODE_MACRO: 1694 // Don't send notifications upstream if they're not for the current AF 1695 // trigger. For example, if cancel was called in between, or if we 1696 // already sent a notification about this AF call. 1697 if (triggerId != l.mParameters.currentAfTriggerId) break; 1698 switch (newState) { 1699 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1700 success = true; 1701 // no break 1702 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1703 sendCompletedMessage = true; 1704 l.mParameters.currentAfTriggerId = -1; 1705 break; 1706 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1707 // Just starting focusing, ignore 1708 break; 1709 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1710 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1711 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1712 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1713 default: 1714 // Unexpected in AUTO/MACRO mode 1715 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1716 __FUNCTION__, newState); 1717 break; 1718 } 1719 break; 1720 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1721 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1722 switch (newState) { 1723 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1724 success = true; 1725 // no break 1726 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1727 // Don't send notifications upstream if they're not for 1728 // the current AF trigger. For example, if cancel was 1729 // called in between, or if we already sent a 1730 // notification about this AF call. 1731 // Send both a 'AF done' callback and a 'AF move' callback 1732 if (triggerId != l.mParameters.currentAfTriggerId) break; 1733 sendCompletedMessage = true; 1734 afInMotion = false; 1735 if (l.mParameters.enableFocusMoveMessages && 1736 l.mParameters.afInMotion) { 1737 sendMovingMessage = true; 1738 } 1739 l.mParameters.currentAfTriggerId = -1; 1740 break; 1741 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1742 // Cancel was called, or we switched state; care if 1743 // currently moving 1744 afInMotion = false; 1745 if (l.mParameters.enableFocusMoveMessages && 1746 l.mParameters.afInMotion) { 1747 sendMovingMessage = true; 1748 } 1749 break; 1750 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1751 // Start passive scan, inform upstream 1752 afInMotion = true; 1753 // no break 1754 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1755 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1756 // Stop passive scan, inform upstream 1757 if (l.mParameters.enableFocusMoveMessages) { 1758 sendMovingMessage = true; 1759 } 1760 break; 1761 } 1762 l.mParameters.afInMotion = afInMotion; 1763 break; 1764 case Parameters::FOCUS_MODE_EDOF: 1765 case Parameters::FOCUS_MODE_INFINITY: 1766 case Parameters::FOCUS_MODE_FIXED: 1767 default: 1768 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1769 ALOGE("%s: Unexpected AF state change %d " 1770 "(ID %d) in focus mode %d", 1771 __FUNCTION__, newState, triggerId, 1772 l.mParameters.focusMode); 1773 } 1774 } 1775 } 1776 if (sendMovingMessage) { 1777 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1778 if (l.mRemoteCallback != 0) { 1779 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1780 afInMotion ? 1 : 0, 0); 1781 } 1782 } 1783 if (sendCompletedMessage) { 1784 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1785 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1786 if (l.mRemoteCallback != 0) { 1787 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1788 success ? 1 : 0, 0); 1789 } 1790 } 1791} 1792 1793void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1794 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1795 __FUNCTION__, newState, triggerId); 1796 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1797} 1798 1799camera2::SharedParameters& Camera2Client::getParameters() { 1800 return mParameters; 1801} 1802 1803int Camera2Client::getPreviewStreamId() const { 1804 return mStreamingProcessor->getPreviewStreamId(); 1805} 1806 1807int Camera2Client::getCaptureStreamId() const { 1808 return mJpegProcessor->getStreamId(); 1809} 1810 1811int Camera2Client::getCallbackStreamId() const { 1812 return mCallbackProcessor->getStreamId(); 1813} 1814 1815int Camera2Client::getRecordingStreamId() const { 1816 return mStreamingProcessor->getRecordingStreamId(); 1817} 1818 1819int Camera2Client::getZslStreamId() const { 1820 return mZslProcessor->getStreamId(); 1821} 1822 1823status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1824 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1825 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1826} 1827 1828status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1829 wp<camera2::FrameProcessor::FilteredListener> listener) { 1830 return mFrameProcessor->removeListener(minId, maxId, listener); 1831} 1832 1833status_t Camera2Client::stopStream() { 1834 return mStreamingProcessor->stopStream(); 1835} 1836 1837const int32_t Camera2Client::kPreviewRequestIdStart; 1838const int32_t Camera2Client::kPreviewRequestIdEnd; 1839const int32_t Camera2Client::kRecordingRequestIdStart; 1840const int32_t Camera2Client::kRecordingRequestIdEnd; 1841const int32_t Camera2Client::kCaptureRequestIdStart; 1842const int32_t Camera2Client::kCaptureRequestIdEnd; 1843 1844/** Utility methods */ 1845 1846status_t Camera2Client::updateRequests(Parameters ¶ms) { 1847 status_t res; 1848 1849 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1850 1851 res = mStreamingProcessor->incrementStreamingIds(); 1852 if (res != OK) { 1853 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1854 __FUNCTION__, mCameraId, strerror(-res), res); 1855 return res; 1856 } 1857 1858 res = mStreamingProcessor->updatePreviewRequest(params); 1859 if (res != OK) { 1860 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1861 __FUNCTION__, mCameraId, strerror(-res), res); 1862 return res; 1863 } 1864 res = mStreamingProcessor->updateRecordingRequest(params); 1865 if (res != OK) { 1866 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1867 __FUNCTION__, mCameraId, strerror(-res), res); 1868 return res; 1869 } 1870 1871 if (params.state == Parameters::PREVIEW) { 1872 res = startPreviewL(params, true); 1873 if (res != OK) { 1874 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1875 __FUNCTION__, mCameraId, strerror(-res), res); 1876 return res; 1877 } 1878 } else if (params.state == Parameters::RECORD || 1879 params.state == Parameters::VIDEO_SNAPSHOT) { 1880 res = startRecordingL(params, true); 1881 if (res != OK) { 1882 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1883 __FUNCTION__, mCameraId, strerror(-res), res); 1884 return res; 1885 } 1886 } 1887 return res; 1888} 1889 1890 1891size_t Camera2Client::calculateBufferSize(int width, int height, 1892 int format, int stride) { 1893 switch (format) { 1894 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1895 return width * height * 2; 1896 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1897 return width * height * 3 / 2; 1898 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1899 return width * height * 2; 1900 case HAL_PIXEL_FORMAT_YV12: { // YV12 1901 size_t ySize = stride * height; 1902 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1903 size_t uvSize = uvStride * height / 2; 1904 return ySize + uvSize * 2; 1905 } 1906 case HAL_PIXEL_FORMAT_RGB_565: 1907 return width * height * 2; 1908 case HAL_PIXEL_FORMAT_RGBA_8888: 1909 return width * height * 4; 1910 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1911 return width * height * 2; 1912 default: 1913 ALOGE("%s: Unknown preview format: %x", 1914 __FUNCTION__, format); 1915 return 0; 1916 } 1917} 1918 1919status_t Camera2Client::syncWithDevice() { 1920 ATRACE_CALL(); 1921 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1922 status_t res; 1923 1924 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1925 if (activeRequestId == 0) return OK; 1926 1927 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1928 if (res == TIMED_OUT) { 1929 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1930 __FUNCTION__, mCameraId); 1931 } else if (res != OK) { 1932 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1933 __FUNCTION__, mCameraId); 1934 } 1935 return res; 1936} 1937 1938template <typename ProcessorT> 1939status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1940 camera2::Parameters params) { 1941 // No default template arguments until C++11, so we need this overload 1942 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1943 processor, params); 1944} 1945 1946template <typename ProcessorT, 1947 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1948status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1949 Parameters params) { 1950 status_t res; 1951 1952 // Get raw pointer since sp<T> doesn't have operator->* 1953 ProcessorT *processorPtr = processor.get(); 1954 res = (processorPtr->*updateStreamF)(params); 1955 1956 /** 1957 * Can't update the stream if it's busy? 1958 * 1959 * Then we need to stop the device (by temporarily clearing the request 1960 * queue) and then try again. Resume streaming once we're done. 1961 */ 1962 if (res == -EBUSY) { 1963 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 1964 mCameraId); 1965 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1966 if (res != OK) { 1967 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1968 __FUNCTION__, mCameraId, strerror(-res), res); 1969 } 1970 1971 res = mDevice->waitUntilDrained(); 1972 if (res != OK) { 1973 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1974 __FUNCTION__, mCameraId, strerror(-res), res); 1975 } 1976 1977 res = (processorPtr->*updateStreamF)(params); 1978 if (res != OK) { 1979 ALOGE("%s: Camera %d: Failed to update processing stream " 1980 " despite having halted streaming first: %s (%d)", 1981 __FUNCTION__, mCameraId, strerror(-res), res); 1982 } 1983 1984 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1985 if (res != OK) { 1986 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1987 __FUNCTION__, mCameraId, strerror(-res), res); 1988 } 1989 } 1990 1991 return res; 1992} 1993 1994status_t Camera2Client::overrideVideoSnapshotSize(Parameters ¶ms) { 1995 ALOGV("%s: Camera %d: configure still size to video size before recording" 1996 , __FUNCTION__, mCameraId); 1997 params.overrideJpegSizeByVideoSize(); 1998 status_t res = updateProcessorStream(mJpegProcessor, params); 1999 if (res != OK) { 2000 ALOGE("%s: Camera %d: Can't override video snapshot size to video size: %s (%d)", 2001 __FUNCTION__, mCameraId, strerror(-res), res); 2002 } 2003 return res; 2004} 2005 2006const char* Camera2Client::kAutofocusLabel = "autofocus"; 2007const char* Camera2Client::kTakepictureLabel = "take_picture"; 2008 2009} // namespace android 2010