Camera2Client.cpp revision a848844f5451d8e01c00b613daccbb901372779d
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 // no break 934 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 935 SharedParameters::Lock l(mParameters); 936 l.mParameters.state = Parameters::STOPPED; 937 commandStopFaceDetectionL(l.mParameters); 938 break; 939 } 940 default: 941 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 942 state); 943 } 944} 945 946bool Camera2Client::previewEnabled() { 947 ATRACE_CALL(); 948 Mutex::Autolock icl(mBinderSerializationLock); 949 status_t res; 950 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 951 952 SharedParameters::Lock l(mParameters); 953 return l.mParameters.state == Parameters::PREVIEW; 954} 955 956status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 957 ATRACE_CALL(); 958 Mutex::Autolock icl(mBinderSerializationLock); 959 status_t res; 960 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 961 962 SharedParameters::Lock l(mParameters); 963 switch (l.mParameters.state) { 964 case Parameters::RECORD: 965 case Parameters::VIDEO_SNAPSHOT: 966 ALOGE("%s: Camera %d: Can't be called in state %s", 967 __FUNCTION__, mCameraId, 968 Parameters::getStateName(l.mParameters.state)); 969 return INVALID_OPERATION; 970 default: 971 // OK 972 break; 973 } 974 975 l.mParameters.storeMetadataInBuffers = enabled; 976 977 return OK; 978} 979 980status_t Camera2Client::startRecording() { 981 ATRACE_CALL(); 982 ALOGV("%s: E", __FUNCTION__); 983 Mutex::Autolock icl(mBinderSerializationLock); 984 status_t res; 985 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 986 SharedParameters::Lock l(mParameters); 987 988 return startRecordingL(l.mParameters, false); 989} 990 991status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 992 status_t res; 993 994 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 995 996 switch (params.state) { 997 case Parameters::STOPPED: 998 res = startPreviewL(params, false); 999 if (res != OK) return res; 1000 // Make sure first preview request is submitted to the HAL device to avoid 1001 // two consecutive set of configure_streams being called into the HAL. 1002 // TODO: Refactor this to avoid initial preview configuration. 1003 syncWithDevice(); 1004 break; 1005 case Parameters::PREVIEW: 1006 // Ready to go 1007 break; 1008 case Parameters::RECORD: 1009 case Parameters::VIDEO_SNAPSHOT: 1010 // OK to call this when recording is already on, just skip unless 1011 // we're looking to restart 1012 if (!restart) return OK; 1013 break; 1014 default: 1015 ALOGE("%s: Camera %d: Can't start recording in state %s", 1016 __FUNCTION__, mCameraId, 1017 Parameters::getStateName(params.state)); 1018 return INVALID_OPERATION; 1019 }; 1020 1021 if (!params.storeMetadataInBuffers) { 1022 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1023 "non-metadata recording mode requested!", __FUNCTION__, 1024 mCameraId); 1025 return INVALID_OPERATION; 1026 } 1027 1028 if (!restart) { 1029 mCameraService->playSound(CameraService::SOUND_RECORDING); 1030 mStreamingProcessor->updateRecordingRequest(params); 1031 if (res != OK) { 1032 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1033 __FUNCTION__, mCameraId, strerror(-res), res); 1034 return res; 1035 } 1036 } 1037 1038 // Not all devices can support a preview callback stream and a recording 1039 // stream at the same time, so assume none of them can. 1040 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1041 ALOGV("%s: Camera %d: Clearing out callback stream before " 1042 "creating recording stream", __FUNCTION__, mCameraId); 1043 res = mStreamingProcessor->stopStream(); 1044 if (res != OK) { 1045 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1046 __FUNCTION__, mCameraId); 1047 return res; 1048 } 1049 res = mCallbackProcessor->deleteStream(); 1050 if (res != OK) { 1051 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1052 "record: %s (%d)", __FUNCTION__, mCameraId, 1053 strerror(-res), res); 1054 return res; 1055 } 1056 } 1057 1058 // On current HALs, clean up ZSL before transitioning into recording 1059 if (mDeviceVersion != CAMERA_DEVICE_API_VERSION_2_0) { 1060 if (mZslProcessor->getStreamId() != NO_STREAM) { 1061 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1062 "creating recording stream", __FUNCTION__, mCameraId); 1063 res = mStreamingProcessor->stopStream(); 1064 if (res != OK) { 1065 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1066 __FUNCTION__, mCameraId); 1067 return res; 1068 } 1069 res = mDevice->waitUntilDrained(); 1070 if (res != OK) { 1071 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1072 __FUNCTION__, mCameraId, strerror(-res), res); 1073 } 1074 res = mZslProcessor->clearZslQueue(); 1075 if (res != OK) { 1076 ALOGE("%s: Camera %d: Can't clear zsl queue", 1077 __FUNCTION__, mCameraId); 1078 return res; 1079 } 1080 res = mZslProcessor->deleteStream(); 1081 if (res != OK) { 1082 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1083 "record: %s (%d)", __FUNCTION__, mCameraId, 1084 strerror(-res), res); 1085 return res; 1086 } 1087 } 1088 } 1089 1090 // Disable callbacks if they're enabled; can't record and use callbacks, 1091 // and we can't fail record start without stagefright asserting. 1092 params.previewCallbackFlags = 0; 1093 1094 if (mDeviceVersion != CAMERA_DEVICE_API_VERSION_2_0) { 1095 // For newer devices, may need to reconfigure video snapshot JPEG sizes 1096 // during recording startup, so need a more complex sequence here to 1097 // ensure an early stream reconfiguration doesn't happen 1098 bool recordingStreamNeedsUpdate; 1099 res = mStreamingProcessor->recordingStreamNeedsUpdate(params, &recordingStreamNeedsUpdate); 1100 if (res != OK) { 1101 ALOGE("%s: Camera %d: Can't query recording stream", 1102 __FUNCTION__, mCameraId); 1103 return res; 1104 } 1105 1106 if (recordingStreamNeedsUpdate) { 1107 // Need to stop stream here so updateProcessorStream won't trigger configureStream 1108 // Right now camera device cannot handle configureStream failure gracefully 1109 // when device is streaming 1110 res = mStreamingProcessor->stopStream(); 1111 if (res != OK) { 1112 ALOGE("%s: Camera %d: Can't stop streaming to update record " 1113 "stream", __FUNCTION__, mCameraId); 1114 return res; 1115 } 1116 res = mDevice->waitUntilDrained(); 1117 if (res != OK) { 1118 ALOGE("%s: Camera %d: Waiting to stop streaming failed: " 1119 "%s (%d)", __FUNCTION__, mCameraId, 1120 strerror(-res), res); 1121 } 1122 1123 res = updateProcessorStream< 1124 StreamingProcessor, 1125 &StreamingProcessor::updateRecordingStream>( 1126 mStreamingProcessor, 1127 params); 1128 if (res != OK) { 1129 ALOGE("%s: Camera %d: Unable to update recording stream: " 1130 "%s (%d)", __FUNCTION__, mCameraId, 1131 strerror(-res), res); 1132 return res; 1133 } 1134 } 1135 } else { 1136 // Maintain call sequencing for HALv2 devices. 1137 res = updateProcessorStream< 1138 StreamingProcessor, 1139 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1140 params); 1141 if (res != OK) { 1142 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1143 __FUNCTION__, mCameraId, strerror(-res), res); 1144 return res; 1145 } 1146 } 1147 1148 Vector<int32_t> outputStreams; 1149 outputStreams.push(getPreviewStreamId()); 1150 outputStreams.push(getRecordingStreamId()); 1151 1152 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1153 outputStreams); 1154 1155 // startStream might trigger a configureStream call and device might fail 1156 // configureStream due to jpeg size > video size. Try again with jpeg size overridden 1157 // to video size. 1158 if (res == BAD_VALUE) { 1159 overrideVideoSnapshotSize(params); 1160 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1161 outputStreams); 1162 } 1163 1164 if (res != OK) { 1165 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1166 __FUNCTION__, mCameraId, strerror(-res), res); 1167 return res; 1168 } 1169 1170 if (params.state < Parameters::RECORD) { 1171 params.state = Parameters::RECORD; 1172 } 1173 1174 return OK; 1175} 1176 1177void Camera2Client::stopRecording() { 1178 ATRACE_CALL(); 1179 ALOGV("%s: E", __FUNCTION__); 1180 Mutex::Autolock icl(mBinderSerializationLock); 1181 SharedParameters::Lock l(mParameters); 1182 1183 status_t res; 1184 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1185 1186 switch (l.mParameters.state) { 1187 case Parameters::RECORD: 1188 // OK to stop 1189 break; 1190 case Parameters::STOPPED: 1191 case Parameters::PREVIEW: 1192 case Parameters::STILL_CAPTURE: 1193 case Parameters::VIDEO_SNAPSHOT: 1194 default: 1195 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1196 __FUNCTION__, mCameraId, 1197 Parameters::getStateName(l.mParameters.state)); 1198 return; 1199 }; 1200 1201 mCameraService->playSound(CameraService::SOUND_RECORDING); 1202 1203 // Remove recording stream to prevent it from slowing down takePicture later 1204 if (!l.mParameters.recordingHint && l.mParameters.isJpegSizeOverridden()) { 1205 res = stopStream(); 1206 if (res != OK) { 1207 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)", 1208 __FUNCTION__, mCameraId, strerror(-res), res); 1209 } 1210 res = mDevice->waitUntilDrained(); 1211 if (res != OK) { 1212 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1213 __FUNCTION__, mCameraId, strerror(-res), res); 1214 } 1215 // Clean up recording stream 1216 res = mStreamingProcessor->deleteRecordingStream(); 1217 if (res != OK) { 1218 ALOGE("%s: Camera %d: Unable to delete recording stream before " 1219 "stop preview: %s (%d)", 1220 __FUNCTION__, mCameraId, strerror(-res), res); 1221 } 1222 l.mParameters.recoverOverriddenJpegSize(); 1223 } 1224 1225 res = startPreviewL(l.mParameters, true); 1226 if (res != OK) { 1227 ALOGE("%s: Camera %d: Unable to return to preview", 1228 __FUNCTION__, mCameraId); 1229 } 1230} 1231 1232bool Camera2Client::recordingEnabled() { 1233 ATRACE_CALL(); 1234 Mutex::Autolock icl(mBinderSerializationLock); 1235 1236 if ( checkPid(__FUNCTION__) != OK) return false; 1237 1238 return recordingEnabledL(); 1239} 1240 1241bool Camera2Client::recordingEnabledL() { 1242 ATRACE_CALL(); 1243 SharedParameters::Lock l(mParameters); 1244 1245 return (l.mParameters.state == Parameters::RECORD 1246 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1247} 1248 1249void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1250 ATRACE_CALL(); 1251 Mutex::Autolock icl(mBinderSerializationLock); 1252 if ( checkPid(__FUNCTION__) != OK) return; 1253 1254 mStreamingProcessor->releaseRecordingFrame(mem); 1255} 1256 1257status_t Camera2Client::autoFocus() { 1258 ATRACE_CALL(); 1259 Mutex::Autolock icl(mBinderSerializationLock); 1260 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1261 status_t res; 1262 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1263 1264 int triggerId; 1265 bool notifyImmediately = false; 1266 bool notifySuccess = false; 1267 { 1268 SharedParameters::Lock l(mParameters); 1269 if (l.mParameters.state < Parameters::PREVIEW) { 1270 ALOGE("%s: Camera %d: Call autoFocus when preview is inactive (state = %d).", 1271 __FUNCTION__, mCameraId, l.mParameters.state); 1272 return INVALID_OPERATION; 1273 } 1274 1275 /** 1276 * If the camera does not support auto-focus, it is a no-op and 1277 * onAutoFocus(boolean, Camera) callback will be called immediately 1278 * with a fake value of success set to true. 1279 * 1280 * Similarly, if focus mode is set to INFINITY, there's no reason to 1281 * bother the HAL. 1282 */ 1283 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1284 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1285 notifyImmediately = true; 1286 notifySuccess = true; 1287 } 1288 /** 1289 * If we're in CAF mode, and AF has already been locked, just fire back 1290 * the callback right away; the HAL would not send a notification since 1291 * no state change would happen on a AF trigger. 1292 */ 1293 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1294 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1295 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1296 notifyImmediately = true; 1297 notifySuccess = true; 1298 } 1299 /** 1300 * Send immediate notification back to client 1301 */ 1302 if (notifyImmediately) { 1303 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1304 if (l.mRemoteCallback != 0) { 1305 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1306 notifySuccess ? 1 : 0, 0); 1307 } 1308 return OK; 1309 } 1310 /** 1311 * Handle quirk mode for AF in scene modes 1312 */ 1313 if (l.mParameters.quirks.triggerAfWithAuto && 1314 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1315 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1316 !l.mParameters.focusingAreas[0].isEmpty()) { 1317 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1318 __FUNCTION__, l.mParameters.focusMode); 1319 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1320 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1321 updateRequests(l.mParameters); 1322 } 1323 1324 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1325 triggerId = l.mParameters.currentAfTriggerId; 1326 } 1327 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1328 1329 syncWithDevice(); 1330 1331 mDevice->triggerAutofocus(triggerId); 1332 1333 return OK; 1334} 1335 1336status_t Camera2Client::cancelAutoFocus() { 1337 ATRACE_CALL(); 1338 Mutex::Autolock icl(mBinderSerializationLock); 1339 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1340 status_t res; 1341 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1342 1343 int triggerId; 1344 { 1345 SharedParameters::Lock l(mParameters); 1346 // Canceling does nothing in FIXED or INFINITY modes 1347 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1348 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1349 return OK; 1350 } 1351 1352 // An active AF trigger is canceled 1353 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1354 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1355 } 1356 1357 triggerId = ++l.mParameters.afTriggerCounter; 1358 1359 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1360 // the real state at this point. No need to cancel explicitly if 1361 // changing the AF mode. 1362 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1363 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1364 l.mParameters.shadowFocusMode); 1365 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1366 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1367 updateRequests(l.mParameters); 1368 1369 return OK; 1370 } 1371 if (l.mParameters.zslMode) { 1372 mZslProcessor->clearZslQueue(); 1373 } 1374 } 1375 syncWithDevice(); 1376 1377 mDevice->triggerCancelAutofocus(triggerId); 1378 1379 return OK; 1380} 1381 1382status_t Camera2Client::takePicture(int msgType) { 1383 ATRACE_CALL(); 1384 Mutex::Autolock icl(mBinderSerializationLock); 1385 status_t res; 1386 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1387 1388 int takePictureCounter; 1389 { 1390 SharedParameters::Lock l(mParameters); 1391 switch (l.mParameters.state) { 1392 case Parameters::DISCONNECTED: 1393 case Parameters::STOPPED: 1394 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1395 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1396 __FUNCTION__, mCameraId); 1397 return INVALID_OPERATION; 1398 case Parameters::PREVIEW: 1399 // Good to go for takePicture 1400 res = commandStopFaceDetectionL(l.mParameters); 1401 if (res != OK) { 1402 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1403 __FUNCTION__, mCameraId); 1404 return res; 1405 } 1406 l.mParameters.state = Parameters::STILL_CAPTURE; 1407 1408 // Remove recording stream to prevent video snapshot jpeg logic kicking in 1409 if (l.mParameters.isJpegSizeOverridden() && 1410 mStreamingProcessor->getRecordingStreamId() != NO_STREAM) { 1411 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1412 if (res != OK) { 1413 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1414 __FUNCTION__, mCameraId, strerror(-res), res); 1415 } 1416 res = mDevice->waitUntilDrained(); 1417 if (res != OK) { 1418 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1419 __FUNCTION__, mCameraId, strerror(-res), res); 1420 } 1421 // Clean up recording stream 1422 res = mStreamingProcessor->deleteRecordingStream(); 1423 if (res != OK) { 1424 ALOGE("%s: Camera %d: Unable to delete recording stream before " 1425 "stop preview: %s (%d)", 1426 __FUNCTION__, mCameraId, strerror(-res), res); 1427 } 1428 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1429 if (res != OK) { 1430 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1431 __FUNCTION__, mCameraId, strerror(-res), res); 1432 } 1433 l.mParameters.recoverOverriddenJpegSize(); 1434 } 1435 break; 1436 case Parameters::RECORD: 1437 // Good to go for video snapshot 1438 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1439 break; 1440 case Parameters::STILL_CAPTURE: 1441 case Parameters::VIDEO_SNAPSHOT: 1442 ALOGE("%s: Camera %d: Already taking a picture", 1443 __FUNCTION__, mCameraId); 1444 return INVALID_OPERATION; 1445 } 1446 1447 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1448 1449 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1450 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1451 // If video snapshot fail to configureStream, try override video snapshot size to 1452 // video size 1453 if (res == BAD_VALUE && l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 1454 overrideVideoSnapshotSize(l.mParameters); 1455 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1456 } 1457 if (res != OK) { 1458 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1459 __FUNCTION__, mCameraId, strerror(-res), res); 1460 return res; 1461 } 1462 takePictureCounter = ++l.mParameters.takePictureCounter; 1463 1464 // Clear ZSL buffer queue when Jpeg size is changed. 1465 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1466 if (l.mParameters.zslMode && jpegStreamChanged) { 1467 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1468 __FUNCTION__, mCameraId); 1469 mZslProcessor->clearZslQueue(); 1470 } 1471 } 1472 1473 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1474 1475 // Need HAL to have correct settings before (possibly) triggering precapture 1476 syncWithDevice(); 1477 1478 res = mCaptureSequencer->startCapture(msgType); 1479 if (res != OK) { 1480 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1481 __FUNCTION__, mCameraId, strerror(-res), res); 1482 } 1483 1484 return res; 1485} 1486 1487status_t Camera2Client::setParameters(const String8& params) { 1488 ATRACE_CALL(); 1489 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1490 Mutex::Autolock icl(mBinderSerializationLock); 1491 status_t res; 1492 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1493 1494 SharedParameters::Lock l(mParameters); 1495 1496 Parameters::focusMode_t focusModeBefore = l.mParameters.focusMode; 1497 res = l.mParameters.set(params); 1498 if (res != OK) return res; 1499 Parameters::focusMode_t focusModeAfter = l.mParameters.focusMode; 1500 1501 if (l.mParameters.zslMode && focusModeAfter != focusModeBefore) { 1502 mZslProcessor->clearZslQueue(); 1503 } 1504 1505 res = updateRequests(l.mParameters); 1506 1507 return res; 1508} 1509 1510String8 Camera2Client::getParameters() const { 1511 ATRACE_CALL(); 1512 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1513 Mutex::Autolock icl(mBinderSerializationLock); 1514 // The camera service can unconditionally get the parameters at all times 1515 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1516 1517 SharedParameters::ReadLock l(mParameters); 1518 1519 return l.mParameters.get(); 1520} 1521 1522status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1523 ATRACE_CALL(); 1524 Mutex::Autolock icl(mBinderSerializationLock); 1525 status_t res; 1526 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1527 1528 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1529 cmd, arg1, arg2); 1530 1531 switch (cmd) { 1532 case CAMERA_CMD_START_SMOOTH_ZOOM: 1533 return commandStartSmoothZoomL(); 1534 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1535 return commandStopSmoothZoomL(); 1536 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1537 return commandSetDisplayOrientationL(arg1); 1538 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1539 return commandEnableShutterSoundL(arg1 == 1); 1540 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1541 return commandPlayRecordingSoundL(); 1542 case CAMERA_CMD_START_FACE_DETECTION: 1543 return commandStartFaceDetectionL(arg1); 1544 case CAMERA_CMD_STOP_FACE_DETECTION: { 1545 SharedParameters::Lock l(mParameters); 1546 return commandStopFaceDetectionL(l.mParameters); 1547 } 1548 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1549 return commandEnableFocusMoveMsgL(arg1 == 1); 1550 case CAMERA_CMD_PING: 1551 return commandPingL(); 1552 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1553 return commandSetVideoBufferCountL(arg1); 1554 default: 1555 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1556 __FUNCTION__, cmd, arg1, arg2); 1557 return BAD_VALUE; 1558 } 1559} 1560 1561status_t Camera2Client::commandStartSmoothZoomL() { 1562 ALOGE("%s: Unimplemented!", __FUNCTION__); 1563 return OK; 1564} 1565 1566status_t Camera2Client::commandStopSmoothZoomL() { 1567 ALOGE("%s: Unimplemented!", __FUNCTION__); 1568 return OK; 1569} 1570 1571status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1572 int transform = Parameters::degToTransform(degrees, 1573 mCameraFacing == CAMERA_FACING_FRONT); 1574 if (transform == -1) { 1575 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1576 __FUNCTION__, mCameraId, degrees); 1577 return BAD_VALUE; 1578 } 1579 SharedParameters::Lock l(mParameters); 1580 if (transform != l.mParameters.previewTransform && 1581 getPreviewStreamId() != NO_STREAM) { 1582 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1583 } 1584 l.mParameters.previewTransform = transform; 1585 return OK; 1586} 1587 1588status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1589 SharedParameters::Lock l(mParameters); 1590 if (enable) { 1591 l.mParameters.playShutterSound = true; 1592 return OK; 1593 } 1594 1595 // the camera2 api legacy mode can unconditionally disable the shutter sound 1596 if (mLegacyMode) { 1597 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1598 l.mParameters.playShutterSound = false; 1599 return OK; 1600 } 1601 1602 // Disabling shutter sound may not be allowed. In that case only 1603 // allow the mediaserver process to disable the sound. 1604 char value[PROPERTY_VALUE_MAX]; 1605 property_get("ro.camera.sound.forced", value, "0"); 1606 if (strncmp(value, "0", 2) != 0) { 1607 // Disabling shutter sound is not allowed. Deny if the current 1608 // process is not mediaserver. 1609 if (getCallingPid() != getpid()) { 1610 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1611 getCallingPid()); 1612 return PERMISSION_DENIED; 1613 } 1614 } 1615 1616 l.mParameters.playShutterSound = false; 1617 return OK; 1618} 1619 1620status_t Camera2Client::commandPlayRecordingSoundL() { 1621 mCameraService->playSound(CameraService::SOUND_RECORDING); 1622 return OK; 1623} 1624 1625status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1626 ALOGV("%s: Camera %d: Starting face detection", 1627 __FUNCTION__, mCameraId); 1628 status_t res; 1629 SharedParameters::Lock l(mParameters); 1630 switch (l.mParameters.state) { 1631 case Parameters::DISCONNECTED: 1632 case Parameters::STOPPED: 1633 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1634 case Parameters::STILL_CAPTURE: 1635 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1636 __FUNCTION__, mCameraId); 1637 return INVALID_OPERATION; 1638 case Parameters::PREVIEW: 1639 case Parameters::RECORD: 1640 case Parameters::VIDEO_SNAPSHOT: 1641 // Good to go for starting face detect 1642 break; 1643 } 1644 // Ignoring type 1645 if (l.mParameters.fastInfo.bestFaceDetectMode == 1646 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1647 ALOGE("%s: Camera %d: Face detection not supported", 1648 __FUNCTION__, mCameraId); 1649 return BAD_VALUE; 1650 } 1651 if (l.mParameters.enableFaceDetect) return OK; 1652 1653 l.mParameters.enableFaceDetect = true; 1654 1655 res = updateRequests(l.mParameters); 1656 1657 return res; 1658} 1659 1660status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1661 status_t res = OK; 1662 ALOGV("%s: Camera %d: Stopping face detection", 1663 __FUNCTION__, mCameraId); 1664 1665 if (!params.enableFaceDetect) return OK; 1666 1667 params.enableFaceDetect = false; 1668 1669 if (params.state == Parameters::PREVIEW 1670 || params.state == Parameters::RECORD 1671 || params.state == Parameters::VIDEO_SNAPSHOT) { 1672 res = updateRequests(params); 1673 } 1674 1675 return res; 1676} 1677 1678status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1679 SharedParameters::Lock l(mParameters); 1680 l.mParameters.enableFocusMoveMessages = enable; 1681 1682 return OK; 1683} 1684 1685status_t Camera2Client::commandPingL() { 1686 // Always ping back if access is proper and device is alive 1687 SharedParameters::Lock l(mParameters); 1688 if (l.mParameters.state != Parameters::DISCONNECTED) { 1689 return OK; 1690 } else { 1691 return NO_INIT; 1692 } 1693} 1694 1695status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1696 if (recordingEnabledL()) { 1697 ALOGE("%s: Camera %d: Error setting video buffer count after " 1698 "recording was started", __FUNCTION__, mCameraId); 1699 return INVALID_OPERATION; 1700 } 1701 1702 return mStreamingProcessor->setRecordingBufferCount(count); 1703} 1704 1705/** Device-related methods */ 1706void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1707 ALOGV("%s: Autofocus state now %d, last trigger %d", 1708 __FUNCTION__, newState, triggerId); 1709 bool sendCompletedMessage = false; 1710 bool sendMovingMessage = false; 1711 1712 bool success = false; 1713 bool afInMotion = false; 1714 { 1715 SharedParameters::Lock l(mParameters); 1716 // Trace end of AF state 1717 char tmp[32]; 1718 if (l.mParameters.afStateCounter > 0) { 1719 camera_metadata_enum_snprint( 1720 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1721 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1722 } 1723 1724 // Update state 1725 l.mParameters.focusState = newState; 1726 l.mParameters.afStateCounter++; 1727 1728 // Trace start of AF state 1729 1730 camera_metadata_enum_snprint( 1731 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1732 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1733 1734 switch (l.mParameters.focusMode) { 1735 case Parameters::FOCUS_MODE_AUTO: 1736 case Parameters::FOCUS_MODE_MACRO: 1737 // Don't send notifications upstream if they're not for the current AF 1738 // trigger. For example, if cancel was called in between, or if we 1739 // already sent a notification about this AF call. 1740 if (triggerId != l.mParameters.currentAfTriggerId) break; 1741 switch (newState) { 1742 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1743 success = true; 1744 // no break 1745 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1746 sendCompletedMessage = true; 1747 l.mParameters.currentAfTriggerId = -1; 1748 break; 1749 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1750 // Just starting focusing, ignore 1751 break; 1752 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1753 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1754 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1755 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1756 default: 1757 // Unexpected in AUTO/MACRO mode 1758 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1759 __FUNCTION__, newState); 1760 break; 1761 } 1762 break; 1763 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1764 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1765 switch (newState) { 1766 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1767 success = true; 1768 // no break 1769 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1770 // Don't send notifications upstream if they're not for 1771 // the current AF trigger. For example, if cancel was 1772 // called in between, or if we already sent a 1773 // notification about this AF call. 1774 // Send both a 'AF done' callback and a 'AF move' callback 1775 if (triggerId != l.mParameters.currentAfTriggerId) break; 1776 sendCompletedMessage = true; 1777 afInMotion = false; 1778 if (l.mParameters.enableFocusMoveMessages && 1779 l.mParameters.afInMotion) { 1780 sendMovingMessage = true; 1781 } 1782 l.mParameters.currentAfTriggerId = -1; 1783 break; 1784 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1785 // Cancel was called, or we switched state; care if 1786 // currently moving 1787 afInMotion = false; 1788 if (l.mParameters.enableFocusMoveMessages && 1789 l.mParameters.afInMotion) { 1790 sendMovingMessage = true; 1791 } 1792 break; 1793 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1794 // Start passive scan, inform upstream 1795 afInMotion = true; 1796 // no break 1797 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1798 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1799 // Stop passive scan, inform upstream 1800 if (l.mParameters.enableFocusMoveMessages) { 1801 sendMovingMessage = true; 1802 } 1803 break; 1804 } 1805 l.mParameters.afInMotion = afInMotion; 1806 break; 1807 case Parameters::FOCUS_MODE_EDOF: 1808 case Parameters::FOCUS_MODE_INFINITY: 1809 case Parameters::FOCUS_MODE_FIXED: 1810 default: 1811 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1812 ALOGE("%s: Unexpected AF state change %d " 1813 "(ID %d) in focus mode %d", 1814 __FUNCTION__, newState, triggerId, 1815 l.mParameters.focusMode); 1816 } 1817 } 1818 } 1819 if (sendMovingMessage) { 1820 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1821 if (l.mRemoteCallback != 0) { 1822 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1823 afInMotion ? 1 : 0, 0); 1824 } 1825 } 1826 if (sendCompletedMessage) { 1827 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1828 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1829 if (l.mRemoteCallback != 0) { 1830 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1831 success ? 1 : 0, 0); 1832 } 1833 } 1834} 1835 1836void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1837 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1838 __FUNCTION__, newState, triggerId); 1839 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1840} 1841 1842camera2::SharedParameters& Camera2Client::getParameters() { 1843 return mParameters; 1844} 1845 1846int Camera2Client::getPreviewStreamId() const { 1847 return mStreamingProcessor->getPreviewStreamId(); 1848} 1849 1850int Camera2Client::getCaptureStreamId() const { 1851 return mJpegProcessor->getStreamId(); 1852} 1853 1854int Camera2Client::getCallbackStreamId() const { 1855 return mCallbackProcessor->getStreamId(); 1856} 1857 1858int Camera2Client::getRecordingStreamId() const { 1859 return mStreamingProcessor->getRecordingStreamId(); 1860} 1861 1862int Camera2Client::getZslStreamId() const { 1863 return mZslProcessor->getStreamId(); 1864} 1865 1866status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1867 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1868 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1869} 1870 1871status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1872 wp<camera2::FrameProcessor::FilteredListener> listener) { 1873 return mFrameProcessor->removeListener(minId, maxId, listener); 1874} 1875 1876status_t Camera2Client::stopStream() { 1877 return mStreamingProcessor->stopStream(); 1878} 1879 1880const int32_t Camera2Client::kPreviewRequestIdStart; 1881const int32_t Camera2Client::kPreviewRequestIdEnd; 1882const int32_t Camera2Client::kRecordingRequestIdStart; 1883const int32_t Camera2Client::kRecordingRequestIdEnd; 1884const int32_t Camera2Client::kCaptureRequestIdStart; 1885const int32_t Camera2Client::kCaptureRequestIdEnd; 1886 1887/** Utility methods */ 1888 1889status_t Camera2Client::updateRequests(Parameters ¶ms) { 1890 status_t res; 1891 1892 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1893 1894 res = mStreamingProcessor->incrementStreamingIds(); 1895 if (res != OK) { 1896 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1897 __FUNCTION__, mCameraId, strerror(-res), res); 1898 return res; 1899 } 1900 1901 res = mStreamingProcessor->updatePreviewRequest(params); 1902 if (res != OK) { 1903 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1904 __FUNCTION__, mCameraId, strerror(-res), res); 1905 return res; 1906 } 1907 res = mStreamingProcessor->updateRecordingRequest(params); 1908 if (res != OK) { 1909 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1910 __FUNCTION__, mCameraId, strerror(-res), res); 1911 return res; 1912 } 1913 1914 if (params.state == Parameters::PREVIEW) { 1915 res = startPreviewL(params, true); 1916 if (res != OK) { 1917 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1918 __FUNCTION__, mCameraId, strerror(-res), res); 1919 return res; 1920 } 1921 } else if (params.state == Parameters::RECORD || 1922 params.state == Parameters::VIDEO_SNAPSHOT) { 1923 res = startRecordingL(params, true); 1924 if (res != OK) { 1925 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1926 __FUNCTION__, mCameraId, strerror(-res), res); 1927 return res; 1928 } 1929 } 1930 return res; 1931} 1932 1933 1934size_t Camera2Client::calculateBufferSize(int width, int height, 1935 int format, int stride) { 1936 switch (format) { 1937 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1938 return width * height * 2; 1939 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1940 return width * height * 3 / 2; 1941 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1942 return width * height * 2; 1943 case HAL_PIXEL_FORMAT_YV12: { // YV12 1944 size_t ySize = stride * height; 1945 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1946 size_t uvSize = uvStride * height / 2; 1947 return ySize + uvSize * 2; 1948 } 1949 case HAL_PIXEL_FORMAT_RGB_565: 1950 return width * height * 2; 1951 case HAL_PIXEL_FORMAT_RGBA_8888: 1952 return width * height * 4; 1953 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1954 return width * height * 2; 1955 default: 1956 ALOGE("%s: Unknown preview format: %x", 1957 __FUNCTION__, format); 1958 return 0; 1959 } 1960} 1961 1962status_t Camera2Client::syncWithDevice() { 1963 ATRACE_CALL(); 1964 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1965 status_t res; 1966 1967 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1968 if (activeRequestId == 0) return OK; 1969 1970 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1971 if (res == TIMED_OUT) { 1972 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1973 __FUNCTION__, mCameraId); 1974 } else if (res != OK) { 1975 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1976 __FUNCTION__, mCameraId); 1977 } 1978 return res; 1979} 1980 1981template <typename ProcessorT> 1982status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1983 camera2::Parameters params) { 1984 // No default template arguments until C++11, so we need this overload 1985 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1986 processor, params); 1987} 1988 1989template <typename ProcessorT, 1990 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1991status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1992 Parameters params) { 1993 status_t res; 1994 1995 // Get raw pointer since sp<T> doesn't have operator->* 1996 ProcessorT *processorPtr = processor.get(); 1997 res = (processorPtr->*updateStreamF)(params); 1998 1999 /** 2000 * Can't update the stream if it's busy? 2001 * 2002 * Then we need to stop the device (by temporarily clearing the request 2003 * queue) and then try again. Resume streaming once we're done. 2004 */ 2005 if (res == -EBUSY) { 2006 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 2007 mCameraId); 2008 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 2009 if (res != OK) { 2010 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 2011 __FUNCTION__, mCameraId, strerror(-res), res); 2012 } 2013 2014 res = mDevice->waitUntilDrained(); 2015 if (res != OK) { 2016 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 2017 __FUNCTION__, mCameraId, strerror(-res), res); 2018 } 2019 2020 res = (processorPtr->*updateStreamF)(params); 2021 if (res != OK) { 2022 ALOGE("%s: Camera %d: Failed to update processing stream " 2023 " despite having halted streaming first: %s (%d)", 2024 __FUNCTION__, mCameraId, strerror(-res), res); 2025 } 2026 2027 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 2028 if (res != OK) { 2029 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 2030 __FUNCTION__, mCameraId, strerror(-res), res); 2031 } 2032 } 2033 2034 return res; 2035} 2036 2037status_t Camera2Client::overrideVideoSnapshotSize(Parameters ¶ms) { 2038 ALOGV("%s: Camera %d: configure still size to video size before recording" 2039 , __FUNCTION__, mCameraId); 2040 params.overrideJpegSizeByVideoSize(); 2041 status_t res = updateProcessorStream(mJpegProcessor, params); 2042 if (res != OK) { 2043 ALOGE("%s: Camera %d: Can't override video snapshot size to video size: %s (%d)", 2044 __FUNCTION__, mCameraId, strerror(-res), res); 2045 } 2046 return res; 2047} 2048 2049const char* Camera2Client::kAutofocusLabel = "autofocus"; 2050const char* Camera2Client::kTakepictureLabel = "take_picture"; 2051 2052} // namespace android 2053