Camera2Client.cpp revision dec84fb1c687509c3125acac76e0af80e4e0afbd
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "Camera2Client" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20 21#include <inttypes.h> 22#include <utils/Log.h> 23#include <utils/Trace.h> 24 25#include <cutils/properties.h> 26#include <gui/Surface.h> 27 28#include "api1/Camera2Client.h" 29 30#include "api1/client2/StreamingProcessor.h" 31#include "api1/client2/JpegProcessor.h" 32#include "api1/client2/CaptureSequencer.h" 33#include "api1/client2/CallbackProcessor.h" 34#include "api1/client2/ZslProcessor.h" 35#include "api1/client2/ZslProcessor3.h" 36 37#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 38#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 39 40namespace android { 41using namespace camera2; 42 43static int getCallingPid() { 44 return IPCThreadState::self()->getCallingPid(); 45} 46 47// Interface used by CameraService 48 49Camera2Client::Camera2Client(const sp<CameraService>& cameraService, 50 const sp<ICameraClient>& cameraClient, 51 const String16& clientPackageName, 52 int cameraId, 53 int cameraFacing, 54 int clientPid, 55 uid_t clientUid, 56 int servicePid, 57 bool legacyMode): 58 Camera2ClientBase(cameraService, cameraClient, clientPackageName, 59 cameraId, cameraFacing, clientPid, clientUid, servicePid), 60 mParameters(cameraId, cameraFacing) 61{ 62 ATRACE_CALL(); 63 64 SharedParameters::Lock l(mParameters); 65 l.mParameters.state = Parameters::DISCONNECTED; 66 67 mLegacyMode = legacyMode; 68} 69 70status_t Camera2Client::initialize(camera_module_t *module) 71{ 72 ATRACE_CALL(); 73 ALOGV("%s: Initializing client for camera %d", __FUNCTION__, mCameraId); 74 status_t res; 75 76 res = Camera2ClientBase::initialize(module); 77 if (res != OK) { 78 return res; 79 } 80 81 { 82 SharedParameters::Lock l(mParameters); 83 84 res = l.mParameters.initialize(&(mDevice->info()), mDeviceVersion); 85 if (res != OK) { 86 ALOGE("%s: Camera %d: unable to build defaults: %s (%d)", 87 __FUNCTION__, mCameraId, strerror(-res), res); 88 return NO_INIT; 89 } 90 } 91 92 String8 threadName; 93 94 mStreamingProcessor = new StreamingProcessor(this); 95 threadName = String8::format("C2-%d-StreamProc", 96 mCameraId); 97 mStreamingProcessor->run(threadName.string()); 98 99 mFrameProcessor = new FrameProcessor(mDevice, this); 100 threadName = String8::format("C2-%d-FrameProc", 101 mCameraId); 102 mFrameProcessor->run(threadName.string()); 103 104 mCaptureSequencer = new CaptureSequencer(this); 105 threadName = String8::format("C2-%d-CaptureSeq", 106 mCameraId); 107 mCaptureSequencer->run(threadName.string()); 108 109 mJpegProcessor = new JpegProcessor(this, mCaptureSequencer); 110 threadName = String8::format("C2-%d-JpegProc", 111 mCameraId); 112 mJpegProcessor->run(threadName.string()); 113 114 switch (mDeviceVersion) { 115 case CAMERA_DEVICE_API_VERSION_2_0: { 116 sp<ZslProcessor> zslProc = 117 new ZslProcessor(this, mCaptureSequencer); 118 mZslProcessor = zslProc; 119 mZslProcessorThread = zslProc; 120 break; 121 } 122 case CAMERA_DEVICE_API_VERSION_3_0: 123 case CAMERA_DEVICE_API_VERSION_3_1: 124 case CAMERA_DEVICE_API_VERSION_3_2: { 125 sp<ZslProcessor3> zslProc = 126 new ZslProcessor3(this, mCaptureSequencer); 127 mZslProcessor = zslProc; 128 mZslProcessorThread = zslProc; 129 break; 130 } 131 default: 132 break; 133 } 134 threadName = String8::format("C2-%d-ZslProc", 135 mCameraId); 136 mZslProcessorThread->run(threadName.string()); 137 138 mCallbackProcessor = new CallbackProcessor(this); 139 threadName = String8::format("C2-%d-CallbkProc", 140 mCameraId); 141 mCallbackProcessor->run(threadName.string()); 142 143 if (gLogLevel >= 1) { 144 SharedParameters::Lock l(mParameters); 145 ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__, 146 mCameraId); 147 ALOGD("%s", l.mParameters.paramsFlattened.string()); 148 } 149 150 return OK; 151} 152 153Camera2Client::~Camera2Client() { 154 ATRACE_CALL(); 155 ALOGV("~Camera2Client"); 156 157 mDestructionStarted = true; 158 159 disconnect(); 160 161 ALOGI("Camera %d: Closed", mCameraId); 162} 163 164status_t Camera2Client::dump(int fd, const Vector<String16>& args) { 165 String8 result; 166 result.appendFormat("Client2[%d] (%p) Client: %s PID: %d, dump:\n", 167 mCameraId, 168 getRemoteCallback()->asBinder().get(), 169 String8(mClientPackageName).string(), 170 mClientPid); 171 result.append(" State: "); 172#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break; 173 174 const Parameters& p = mParameters.unsafeAccess(); 175 176 result.append(Parameters::getStateName(p.state)); 177 178 result.append("\n Current parameters:\n"); 179 result.appendFormat(" Preview size: %d x %d\n", 180 p.previewWidth, p.previewHeight); 181 result.appendFormat(" Preview FPS range: %d - %d\n", 182 p.previewFpsRange[0], p.previewFpsRange[1]); 183 result.appendFormat(" Preview HAL pixel format: 0x%x\n", 184 p.previewFormat); 185 result.appendFormat(" Preview transform: %x\n", 186 p.previewTransform); 187 result.appendFormat(" Picture size: %d x %d\n", 188 p.pictureWidth, p.pictureHeight); 189 result.appendFormat(" Jpeg thumbnail size: %d x %d\n", 190 p.jpegThumbSize[0], p.jpegThumbSize[1]); 191 result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n", 192 p.jpegQuality, p.jpegThumbQuality); 193 result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation); 194 result.appendFormat(" GPS tags %s\n", 195 p.gpsEnabled ? "enabled" : "disabled"); 196 if (p.gpsEnabled) { 197 result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n", 198 p.gpsCoordinates[0], p.gpsCoordinates[1], 199 p.gpsCoordinates[2]); 200 result.appendFormat(" GPS timestamp: %" PRId64 "\n", 201 p.gpsTimestamp); 202 result.appendFormat(" GPS processing method: %s\n", 203 p.gpsProcessingMethod.string()); 204 } 205 206 result.append(" White balance mode: "); 207 switch (p.wbMode) { 208 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_AUTO) 209 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_INCANDESCENT) 210 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_FLUORESCENT) 211 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT) 212 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_DAYLIGHT) 213 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT) 214 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_TWILIGHT) 215 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_SHADE) 216 default: result.append("UNKNOWN\n"); 217 } 218 219 result.append(" Effect mode: "); 220 switch (p.effectMode) { 221 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_OFF) 222 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_MONO) 223 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_NEGATIVE) 224 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SOLARIZE) 225 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SEPIA) 226 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_POSTERIZE) 227 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD) 228 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD) 229 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_AQUA) 230 default: result.append("UNKNOWN\n"); 231 } 232 233 result.append(" Antibanding mode: "); 234 switch (p.antibandingMode) { 235 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO) 236 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF) 237 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ) 238 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ) 239 default: result.append("UNKNOWN\n"); 240 } 241 242 result.append(" Scene mode: "); 243 switch (p.sceneMode) { 244 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 245 result.append("AUTO\n"); break; 246 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION) 247 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT) 248 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE) 249 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT) 250 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT) 251 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE) 252 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH) 253 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW) 254 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET) 255 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO) 256 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS) 257 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS) 258 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY) 259 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT) 260 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE) 261 default: result.append("UNKNOWN\n"); 262 } 263 264 result.append(" Flash mode: "); 265 switch (p.flashMode) { 266 CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF) 267 CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO) 268 CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON) 269 CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH) 270 CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE) 271 CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID) 272 default: result.append("UNKNOWN\n"); 273 } 274 275 result.append(" Focus mode: "); 276 switch (p.focusMode) { 277 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO) 278 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO) 279 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) 280 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE) 281 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF) 282 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY) 283 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED) 284 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID) 285 default: result.append("UNKNOWN\n"); 286 } 287 288 result.append(" Focus state: "); 289 switch (p.focusState) { 290 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_INACTIVE) 291 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN) 292 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED) 293 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED) 294 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN) 295 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED) 296 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED) 297 default: result.append("UNKNOWN\n"); 298 } 299 300 result.append(" Focusing areas:\n"); 301 for (size_t i = 0; i < p.focusingAreas.size(); i++) { 302 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 303 p.focusingAreas[i].left, 304 p.focusingAreas[i].top, 305 p.focusingAreas[i].right, 306 p.focusingAreas[i].bottom, 307 p.focusingAreas[i].weight); 308 } 309 310 result.appendFormat(" Exposure compensation index: %d\n", 311 p.exposureCompensation); 312 313 result.appendFormat(" AE lock %s, AWB lock %s\n", 314 p.autoExposureLock ? "enabled" : "disabled", 315 p.autoWhiteBalanceLock ? "enabled" : "disabled" ); 316 317 result.appendFormat(" Metering areas:\n"); 318 for (size_t i = 0; i < p.meteringAreas.size(); i++) { 319 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 320 p.meteringAreas[i].left, 321 p.meteringAreas[i].top, 322 p.meteringAreas[i].right, 323 p.meteringAreas[i].bottom, 324 p.meteringAreas[i].weight); 325 } 326 327 result.appendFormat(" Zoom index: %d\n", p.zoom); 328 result.appendFormat(" Video size: %d x %d\n", p.videoWidth, 329 p.videoHeight); 330 331 result.appendFormat(" Recording hint is %s\n", 332 p.recordingHint ? "set" : "not set"); 333 334 result.appendFormat(" Video stabilization is %s\n", 335 p.videoStabilization ? "enabled" : "disabled"); 336 337 result.appendFormat(" Selected still capture FPS range: %d - %d\n", 338 p.fastInfo.bestStillCaptureFpsRange[0], 339 p.fastInfo.bestStillCaptureFpsRange[1]); 340 341 result.append(" Current streams:\n"); 342 result.appendFormat(" Preview stream ID: %d\n", 343 getPreviewStreamId()); 344 result.appendFormat(" Capture stream ID: %d\n", 345 getCaptureStreamId()); 346 result.appendFormat(" Recording stream ID: %d\n", 347 getRecordingStreamId()); 348 349 result.append(" Quirks for this camera:\n"); 350 bool haveQuirk = false; 351 if (p.quirks.triggerAfWithAuto) { 352 result.appendFormat(" triggerAfWithAuto\n"); 353 haveQuirk = true; 354 } 355 if (p.quirks.useZslFormat) { 356 result.appendFormat(" useZslFormat\n"); 357 haveQuirk = true; 358 } 359 if (p.quirks.meteringCropRegion) { 360 result.appendFormat(" meteringCropRegion\n"); 361 haveQuirk = true; 362 } 363 if (p.quirks.partialResults) { 364 result.appendFormat(" usePartialResult\n"); 365 haveQuirk = true; 366 } 367 if (!haveQuirk) { 368 result.appendFormat(" none\n"); 369 } 370 371 write(fd, result.string(), result.size()); 372 373 mStreamingProcessor->dump(fd, args); 374 375 mCaptureSequencer->dump(fd, args); 376 377 mFrameProcessor->dump(fd, args); 378 379 mZslProcessor->dump(fd, args); 380 381 return dumpDevice(fd, args); 382#undef CASE_APPEND_ENUM 383} 384 385// ICamera interface 386 387void Camera2Client::disconnect() { 388 ATRACE_CALL(); 389 Mutex::Autolock icl(mBinderSerializationLock); 390 391 // Allow both client and the media server to disconnect at all times 392 int callingPid = getCallingPid(); 393 if (callingPid != mClientPid && callingPid != mServicePid) return; 394 395 if (mDevice == 0) return; 396 397 ALOGV("Camera %d: Shutting down", mCameraId); 398 399 /** 400 * disconnect() cannot call any methods that might need to promote a 401 * wp<Camera2Client>, since disconnect can be called from the destructor, at 402 * which point all such promotions will fail. 403 */ 404 405 stopPreviewL(); 406 407 { 408 SharedParameters::Lock l(mParameters); 409 if (l.mParameters.state == Parameters::DISCONNECTED) return; 410 l.mParameters.state = Parameters::DISCONNECTED; 411 } 412 413 mStreamingProcessor->requestExit(); 414 mFrameProcessor->requestExit(); 415 mCaptureSequencer->requestExit(); 416 mJpegProcessor->requestExit(); 417 mZslProcessorThread->requestExit(); 418 mCallbackProcessor->requestExit(); 419 420 ALOGV("Camera %d: Waiting for threads", mCameraId); 421 422 mStreamingProcessor->join(); 423 mFrameProcessor->join(); 424 mCaptureSequencer->join(); 425 mJpegProcessor->join(); 426 mZslProcessorThread->join(); 427 mCallbackProcessor->join(); 428 429 ALOGV("Camera %d: Deleting streams", mCameraId); 430 431 mStreamingProcessor->deletePreviewStream(); 432 mStreamingProcessor->deleteRecordingStream(); 433 mJpegProcessor->deleteStream(); 434 mCallbackProcessor->deleteStream(); 435 mZslProcessor->deleteStream(); 436 437 // Remove all ZSL stream state before disconnect; needed to work around b/15408128. 438 mZslProcessor->disconnect(); 439 440 ALOGV("Camera %d: Disconnecting device", mCameraId); 441 442 mDevice->disconnect(); 443 444 mDevice.clear(); 445 446 CameraService::Client::disconnect(); 447} 448 449status_t Camera2Client::connect(const sp<ICameraClient>& client) { 450 ATRACE_CALL(); 451 ALOGV("%s: E", __FUNCTION__); 452 Mutex::Autolock icl(mBinderSerializationLock); 453 454 if (mClientPid != 0 && getCallingPid() != mClientPid) { 455 ALOGE("%s: Camera %d: Connection attempt from pid %d; " 456 "current locked to pid %d", __FUNCTION__, 457 mCameraId, getCallingPid(), mClientPid); 458 return BAD_VALUE; 459 } 460 461 mClientPid = getCallingPid(); 462 463 mRemoteCallback = client; 464 mSharedCameraCallbacks = client; 465 466 return OK; 467} 468 469status_t Camera2Client::lock() { 470 ATRACE_CALL(); 471 ALOGV("%s: E", __FUNCTION__); 472 Mutex::Autolock icl(mBinderSerializationLock); 473 ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d", 474 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 475 476 if (mClientPid == 0) { 477 mClientPid = getCallingPid(); 478 return OK; 479 } 480 481 if (mClientPid != getCallingPid()) { 482 ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d", 483 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 484 return EBUSY; 485 } 486 487 return OK; 488} 489 490status_t Camera2Client::unlock() { 491 ATRACE_CALL(); 492 ALOGV("%s: E", __FUNCTION__); 493 Mutex::Autolock icl(mBinderSerializationLock); 494 ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d", 495 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 496 497 if (mClientPid == getCallingPid()) { 498 SharedParameters::Lock l(mParameters); 499 if (l.mParameters.state == Parameters::RECORD || 500 l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 501 ALOGD("Not allowed to unlock camera during recording."); 502 return INVALID_OPERATION; 503 } 504 mClientPid = 0; 505 mRemoteCallback.clear(); 506 mSharedCameraCallbacks.clear(); 507 return OK; 508 } 509 510 ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d", 511 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 512 return EBUSY; 513} 514 515status_t Camera2Client::setPreviewTarget( 516 const sp<IGraphicBufferProducer>& bufferProducer) { 517 ATRACE_CALL(); 518 ALOGV("%s: E", __FUNCTION__); 519 Mutex::Autolock icl(mBinderSerializationLock); 520 status_t res; 521 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 522 523 sp<IBinder> binder; 524 sp<ANativeWindow> window; 525 if (bufferProducer != 0) { 526 binder = bufferProducer->asBinder(); 527 // Using controlledByApp flag to ensure that the buffer queue remains in 528 // async mode for the old camera API, where many applications depend 529 // on that behavior. 530 window = new Surface(bufferProducer, /*controlledByApp*/ true); 531 } 532 return setPreviewWindowL(binder, window); 533} 534 535status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder, 536 sp<ANativeWindow> window) { 537 ATRACE_CALL(); 538 status_t res; 539 540 if (binder == mPreviewSurface) { 541 ALOGV("%s: Camera %d: New window is same as old window", 542 __FUNCTION__, mCameraId); 543 return NO_ERROR; 544 } 545 546 Parameters::State state; 547 { 548 SharedParameters::Lock l(mParameters); 549 state = l.mParameters.state; 550 } 551 switch (state) { 552 case Parameters::DISCONNECTED: 553 case Parameters::RECORD: 554 case Parameters::STILL_CAPTURE: 555 case Parameters::VIDEO_SNAPSHOT: 556 ALOGE("%s: Camera %d: Cannot set preview display while in state %s", 557 __FUNCTION__, mCameraId, 558 Parameters::getStateName(state)); 559 return INVALID_OPERATION; 560 case Parameters::STOPPED: 561 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 562 // OK 563 break; 564 case Parameters::PREVIEW: 565 // Already running preview - need to stop and create a new stream 566 res = stopStream(); 567 if (res != OK) { 568 ALOGE("%s: Unable to stop preview to swap windows: %s (%d)", 569 __FUNCTION__, strerror(-res), res); 570 return res; 571 } 572 state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 573 break; 574 } 575 576 mPreviewSurface = binder; 577 res = mStreamingProcessor->setPreviewWindow(window); 578 if (res != OK) { 579 ALOGE("%s: Unable to set new preview window: %s (%d)", 580 __FUNCTION__, strerror(-res), res); 581 return res; 582 } 583 584 if (state == Parameters::WAITING_FOR_PREVIEW_WINDOW) { 585 SharedParameters::Lock l(mParameters); 586 l.mParameters.state = state; 587 return startPreviewL(l.mParameters, false); 588 } 589 590 return OK; 591} 592 593void Camera2Client::setPreviewCallbackFlag(int flag) { 594 ATRACE_CALL(); 595 ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag); 596 Mutex::Autolock icl(mBinderSerializationLock); 597 598 if ( checkPid(__FUNCTION__) != OK) return; 599 600 SharedParameters::Lock l(mParameters); 601 setPreviewCallbackFlagL(l.mParameters, flag); 602} 603 604void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) { 605 status_t res = OK; 606 607 switch(params.state) { 608 case Parameters::STOPPED: 609 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 610 case Parameters::PREVIEW: 611 case Parameters::STILL_CAPTURE: 612 // OK 613 break; 614 default: 615 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 616 ALOGE("%s: Camera %d: Can't use preview callbacks " 617 "in state %d", __FUNCTION__, mCameraId, params.state); 618 return; 619 } 620 } 621 622 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) { 623 ALOGV("%s: setting oneshot", __FUNCTION__); 624 params.previewCallbackOneShot = true; 625 } 626 if (params.previewCallbackFlags != (uint32_t)flag) { 627 628 if (params.previewCallbackSurface && flag != CAMERA_FRAME_CALLBACK_FLAG_NOOP) { 629 // Disable any existing preview callback window when enabling 630 // preview callback flags 631 res = mCallbackProcessor->setCallbackWindow(NULL); 632 if (res != OK) { 633 ALOGE("%s: Camera %d: Unable to clear preview callback surface:" 634 " %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res); 635 return; 636 } 637 params.previewCallbackSurface = false; 638 } 639 640 params.previewCallbackFlags = flag; 641 642 if (params.state == Parameters::PREVIEW) { 643 res = startPreviewL(params, true); 644 if (res != OK) { 645 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 646 __FUNCTION__, mCameraId, 647 Parameters::getStateName(params.state)); 648 } 649 } 650 } 651} 652 653status_t Camera2Client::setPreviewCallbackTarget( 654 const sp<IGraphicBufferProducer>& callbackProducer) { 655 ATRACE_CALL(); 656 ALOGV("%s: E", __FUNCTION__); 657 Mutex::Autolock icl(mBinderSerializationLock); 658 status_t res; 659 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 660 661 sp<ANativeWindow> window; 662 if (callbackProducer != 0) { 663 window = new Surface(callbackProducer); 664 } 665 666 res = mCallbackProcessor->setCallbackWindow(window); 667 if (res != OK) { 668 ALOGE("%s: Camera %d: Unable to set preview callback surface: %s (%d)", 669 __FUNCTION__, mCameraId, strerror(-res), res); 670 return res; 671 } 672 673 SharedParameters::Lock l(mParameters); 674 675 if (window != NULL) { 676 // Disable traditional callbacks when a valid callback target is given 677 l.mParameters.previewCallbackFlags = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 678 l.mParameters.previewCallbackOneShot = false; 679 l.mParameters.previewCallbackSurface = true; 680 } else { 681 // Disable callback target if given a NULL interface. 682 l.mParameters.previewCallbackSurface = false; 683 } 684 685 switch(l.mParameters.state) { 686 case Parameters::PREVIEW: 687 res = startPreviewL(l.mParameters, true); 688 break; 689 case Parameters::RECORD: 690 case Parameters::VIDEO_SNAPSHOT: 691 res = startRecordingL(l.mParameters, true); 692 break; 693 default: 694 break; 695 } 696 if (res != OK) { 697 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 698 __FUNCTION__, mCameraId, 699 Parameters::getStateName(l.mParameters.state)); 700 } 701 702 return OK; 703} 704 705 706status_t Camera2Client::startPreview() { 707 ATRACE_CALL(); 708 ALOGV("%s: E", __FUNCTION__); 709 Mutex::Autolock icl(mBinderSerializationLock); 710 status_t res; 711 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 712 SharedParameters::Lock l(mParameters); 713 return startPreviewL(l.mParameters, false); 714} 715 716status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) { 717 ATRACE_CALL(); 718 status_t res; 719 720 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 721 722 if ( (params.state == Parameters::PREVIEW || 723 params.state == Parameters::RECORD || 724 params.state == Parameters::VIDEO_SNAPSHOT) 725 && !restart) { 726 // Succeed attempt to re-enter a streaming state 727 ALOGI("%s: Camera %d: Preview already active, ignoring restart", 728 __FUNCTION__, mCameraId); 729 return OK; 730 } 731 if (params.state > Parameters::PREVIEW && !restart) { 732 ALOGE("%s: Can't start preview in state %s", 733 __FUNCTION__, 734 Parameters::getStateName(params.state)); 735 return INVALID_OPERATION; 736 } 737 738 if (!mStreamingProcessor->haveValidPreviewWindow()) { 739 params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 740 return OK; 741 } 742 params.state = Parameters::STOPPED; 743 int lastPreviewStreamId = mStreamingProcessor->getPreviewStreamId(); 744 745 res = mStreamingProcessor->updatePreviewStream(params); 746 if (res != OK) { 747 ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)", 748 __FUNCTION__, mCameraId, strerror(-res), res); 749 return res; 750 } 751 752 bool previewStreamChanged = mStreamingProcessor->getPreviewStreamId() != lastPreviewStreamId; 753 754 // We could wait to create the JPEG output stream until first actual use 755 // (first takePicture call). However, this would substantially increase the 756 // first capture latency on HAL3 devices, and potentially on some HAL2 757 // devices. So create it unconditionally at preview start. As a drawback, 758 // this increases gralloc memory consumption for applications that don't 759 // ever take a picture. 760 // TODO: Find a better compromise, though this likely would involve HAL 761 // changes. 762 int lastJpegStreamId = mJpegProcessor->getStreamId(); 763 res = updateProcessorStream(mJpegProcessor, params); 764 if (res != OK) { 765 ALOGE("%s: Camera %d: Can't pre-configure still image " 766 "stream: %s (%d)", 767 __FUNCTION__, mCameraId, strerror(-res), res); 768 return res; 769 } 770 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 771 772 Vector<int32_t> outputStreams; 773 bool callbacksEnabled = (params.previewCallbackFlags & 774 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) || 775 params.previewCallbackSurface; 776 777 if (callbacksEnabled) { 778 // Can't have recording stream hanging around when enabling callbacks, 779 // since it exceeds the max stream count on some devices. 780 if (mStreamingProcessor->getRecordingStreamId() != NO_STREAM) { 781 ALOGV("%s: Camera %d: Clearing out recording stream before " 782 "creating callback stream", __FUNCTION__, mCameraId); 783 res = mStreamingProcessor->stopStream(); 784 if (res != OK) { 785 ALOGE("%s: Camera %d: Can't stop streaming to delete " 786 "recording stream", __FUNCTION__, mCameraId); 787 return res; 788 } 789 res = mStreamingProcessor->deleteRecordingStream(); 790 if (res != OK) { 791 ALOGE("%s: Camera %d: Unable to delete recording stream before " 792 "enabling callbacks: %s (%d)", __FUNCTION__, mCameraId, 793 strerror(-res), res); 794 return res; 795 } 796 } 797 798 res = mCallbackProcessor->updateStream(params); 799 if (res != OK) { 800 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 801 __FUNCTION__, mCameraId, strerror(-res), res); 802 return res; 803 } 804 outputStreams.push(getCallbackStreamId()); 805 } else if (previewStreamChanged && mCallbackProcessor->getStreamId() != NO_STREAM) { 806 /** 807 * Delete the unused callback stream when preview stream is changed and 808 * preview is not enabled. Don't need stop preview stream as preview is in 809 * STOPPED state now. 810 */ 811 ALOGV("%s: Camera %d: Delete unused preview callback stream.", __FUNCTION__, mCameraId); 812 res = mCallbackProcessor->deleteStream(); 813 if (res != OK) { 814 ALOGE("%s: Camera %d: Unable to delete callback stream %s (%d)", 815 __FUNCTION__, mCameraId, strerror(-res), res); 816 return res; 817 } 818 } 819 820 if (params.zslMode && !params.recordingHint && 821 getRecordingStreamId() == NO_STREAM) { 822 res = updateProcessorStream(mZslProcessor, params); 823 if (res != OK) { 824 ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)", 825 __FUNCTION__, mCameraId, strerror(-res), res); 826 return res; 827 } 828 829 if (jpegStreamChanged) { 830 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 831 __FUNCTION__, mCameraId); 832 mZslProcessor->clearZslQueue(); 833 } 834 outputStreams.push(getZslStreamId()); 835 } else { 836 mZslProcessor->deleteStream(); 837 } 838 839 outputStreams.push(getPreviewStreamId()); 840 841 if (!params.recordingHint) { 842 if (!restart) { 843 res = mStreamingProcessor->updatePreviewRequest(params); 844 if (res != OK) { 845 ALOGE("%s: Camera %d: Can't set up preview request: " 846 "%s (%d)", __FUNCTION__, mCameraId, 847 strerror(-res), res); 848 return res; 849 } 850 } 851 res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW, 852 outputStreams); 853 } else { 854 if (!restart) { 855 res = mStreamingProcessor->updateRecordingRequest(params); 856 if (res != OK) { 857 ALOGE("%s: Camera %d: Can't set up preview request with " 858 "record hint: %s (%d)", __FUNCTION__, mCameraId, 859 strerror(-res), res); 860 return res; 861 } 862 } 863 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 864 outputStreams); 865 } 866 if (res != OK) { 867 ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)", 868 __FUNCTION__, mCameraId, strerror(-res), res); 869 return res; 870 } 871 872 params.state = Parameters::PREVIEW; 873 return OK; 874} 875 876void Camera2Client::stopPreview() { 877 ATRACE_CALL(); 878 ALOGV("%s: E", __FUNCTION__); 879 Mutex::Autolock icl(mBinderSerializationLock); 880 status_t res; 881 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 882 stopPreviewL(); 883} 884 885void Camera2Client::stopPreviewL() { 886 ATRACE_CALL(); 887 status_t res; 888 const nsecs_t kStopCaptureTimeout = 3000000000LL; // 3 seconds 889 Parameters::State state; 890 { 891 SharedParameters::Lock l(mParameters); 892 state = l.mParameters.state; 893 } 894 895 switch (state) { 896 case Parameters::DISCONNECTED: 897 // Nothing to do. 898 break; 899 case Parameters::STOPPED: 900 case Parameters::VIDEO_SNAPSHOT: 901 case Parameters::STILL_CAPTURE: 902 mCaptureSequencer->waitUntilIdle(kStopCaptureTimeout); 903 // no break 904 case Parameters::RECORD: 905 case Parameters::PREVIEW: 906 syncWithDevice(); 907 res = stopStream(); 908 if (res != OK) { 909 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)", 910 __FUNCTION__, mCameraId, strerror(-res), res); 911 } 912 res = mDevice->waitUntilDrained(); 913 if (res != OK) { 914 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 915 __FUNCTION__, mCameraId, strerror(-res), res); 916 } 917 // Clean up recording stream 918 res = mStreamingProcessor->deleteRecordingStream(); 919 if (res != OK) { 920 ALOGE("%s: Camera %d: Unable to delete recording stream before " 921 "stop preview: %s (%d)", 922 __FUNCTION__, mCameraId, strerror(-res), res); 923 } 924 // no break 925 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 926 SharedParameters::Lock l(mParameters); 927 l.mParameters.state = Parameters::STOPPED; 928 commandStopFaceDetectionL(l.mParameters); 929 break; 930 } 931 default: 932 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 933 state); 934 } 935} 936 937bool Camera2Client::previewEnabled() { 938 ATRACE_CALL(); 939 Mutex::Autolock icl(mBinderSerializationLock); 940 status_t res; 941 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 942 943 SharedParameters::Lock l(mParameters); 944 return l.mParameters.state == Parameters::PREVIEW; 945} 946 947status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 948 ATRACE_CALL(); 949 Mutex::Autolock icl(mBinderSerializationLock); 950 status_t res; 951 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 952 953 SharedParameters::Lock l(mParameters); 954 switch (l.mParameters.state) { 955 case Parameters::RECORD: 956 case Parameters::VIDEO_SNAPSHOT: 957 ALOGE("%s: Camera %d: Can't be called in state %s", 958 __FUNCTION__, mCameraId, 959 Parameters::getStateName(l.mParameters.state)); 960 return INVALID_OPERATION; 961 default: 962 // OK 963 break; 964 } 965 966 l.mParameters.storeMetadataInBuffers = enabled; 967 968 return OK; 969} 970 971status_t Camera2Client::startRecording() { 972 ATRACE_CALL(); 973 ALOGV("%s: E", __FUNCTION__); 974 Mutex::Autolock icl(mBinderSerializationLock); 975 status_t res; 976 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 977 SharedParameters::Lock l(mParameters); 978 979 return startRecordingL(l.mParameters, false); 980} 981 982status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 983 status_t res; 984 985 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 986 987 switch (params.state) { 988 case Parameters::STOPPED: 989 res = startPreviewL(params, false); 990 if (res != OK) return res; 991 break; 992 case Parameters::PREVIEW: 993 // Ready to go 994 break; 995 case Parameters::RECORD: 996 case Parameters::VIDEO_SNAPSHOT: 997 // OK to call this when recording is already on, just skip unless 998 // we're looking to restart 999 if (!restart) return OK; 1000 break; 1001 default: 1002 ALOGE("%s: Camera %d: Can't start recording in state %s", 1003 __FUNCTION__, mCameraId, 1004 Parameters::getStateName(params.state)); 1005 return INVALID_OPERATION; 1006 }; 1007 1008 if (!params.storeMetadataInBuffers) { 1009 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1010 "non-metadata recording mode requested!", __FUNCTION__, 1011 mCameraId); 1012 return INVALID_OPERATION; 1013 } 1014 1015 if (!restart) { 1016 mCameraService->playSound(CameraService::SOUND_RECORDING); 1017 mStreamingProcessor->updateRecordingRequest(params); 1018 if (res != OK) { 1019 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1020 __FUNCTION__, mCameraId, strerror(-res), res); 1021 return res; 1022 } 1023 } 1024 1025 // Not all devices can support a preview callback stream and a recording 1026 // stream at the same time, so assume none of them can. 1027 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1028 ALOGV("%s: Camera %d: Clearing out callback stream before " 1029 "creating recording stream", __FUNCTION__, mCameraId); 1030 res = mStreamingProcessor->stopStream(); 1031 if (res != OK) { 1032 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1033 __FUNCTION__, mCameraId); 1034 return res; 1035 } 1036 res = mCallbackProcessor->deleteStream(); 1037 if (res != OK) { 1038 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1039 "record: %s (%d)", __FUNCTION__, mCameraId, 1040 strerror(-res), res); 1041 return res; 1042 } 1043 } 1044 1045 if (mZslProcessor->getStreamId() != NO_STREAM) { 1046 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1047 "creating recording stream", __FUNCTION__, mCameraId); 1048 res = mStreamingProcessor->stopStream(); 1049 if (res != OK) { 1050 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1051 __FUNCTION__, mCameraId); 1052 return res; 1053 } 1054 res = mDevice->waitUntilDrained(); 1055 if (res != OK) { 1056 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1057 __FUNCTION__, mCameraId, strerror(-res), res); 1058 } 1059 res = mZslProcessor->clearZslQueue(); 1060 if (res != OK) { 1061 ALOGE("%s: Camera %d: Can't clear zsl queue", 1062 __FUNCTION__, mCameraId); 1063 return res; 1064 } 1065 res = mZslProcessor->deleteStream(); 1066 if (res != OK) { 1067 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1068 "record: %s (%d)", __FUNCTION__, mCameraId, 1069 strerror(-res), res); 1070 return res; 1071 } 1072 } 1073 1074 // Disable callbacks if they're enabled; can't record and use callbacks, 1075 // and we can't fail record start without stagefright asserting. 1076 params.previewCallbackFlags = 0; 1077 1078 res = updateProcessorStream< 1079 StreamingProcessor, 1080 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1081 params); 1082 if (res != OK) { 1083 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1084 __FUNCTION__, mCameraId, strerror(-res), res); 1085 return res; 1086 } 1087 1088 Vector<int32_t> outputStreams; 1089 outputStreams.push(getPreviewStreamId()); 1090 outputStreams.push(getRecordingStreamId()); 1091 1092 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1093 outputStreams); 1094 // try to reconfigure jpeg to video size if configureStreams failed 1095 if (res == BAD_VALUE) { 1096 1097 ALOGV("%s: Camera %d: configure still size to video size before recording" 1098 , __FUNCTION__, mCameraId); 1099 params.overrideJpegSizeByVideoSize(); 1100 res = updateProcessorStream(mJpegProcessor, params); 1101 if (res != OK) { 1102 ALOGE("%s: Camera %d: Can't configure still image size to video size: %s (%d)", 1103 __FUNCTION__, mCameraId, strerror(-res), res); 1104 return res; 1105 } 1106 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1107 outputStreams); 1108 } 1109 1110 if (res != OK) { 1111 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1112 __FUNCTION__, mCameraId, strerror(-res), res); 1113 return res; 1114 } 1115 1116 if (params.state < Parameters::RECORD) { 1117 params.state = Parameters::RECORD; 1118 } 1119 1120 return OK; 1121} 1122 1123void Camera2Client::stopRecording() { 1124 ATRACE_CALL(); 1125 ALOGV("%s: E", __FUNCTION__); 1126 Mutex::Autolock icl(mBinderSerializationLock); 1127 SharedParameters::Lock l(mParameters); 1128 1129 status_t res; 1130 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1131 1132 switch (l.mParameters.state) { 1133 case Parameters::RECORD: 1134 // OK to stop 1135 break; 1136 case Parameters::STOPPED: 1137 case Parameters::PREVIEW: 1138 case Parameters::STILL_CAPTURE: 1139 case Parameters::VIDEO_SNAPSHOT: 1140 default: 1141 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1142 __FUNCTION__, mCameraId, 1143 Parameters::getStateName(l.mParameters.state)); 1144 return; 1145 }; 1146 1147 mCameraService->playSound(CameraService::SOUND_RECORDING); 1148 1149 l.mParameters.recoverOverriddenJpegSize(); 1150 res = startPreviewL(l.mParameters, true); 1151 if (res != OK) { 1152 ALOGE("%s: Camera %d: Unable to return to preview", 1153 __FUNCTION__, mCameraId); 1154 } 1155} 1156 1157bool Camera2Client::recordingEnabled() { 1158 ATRACE_CALL(); 1159 Mutex::Autolock icl(mBinderSerializationLock); 1160 1161 if ( checkPid(__FUNCTION__) != OK) return false; 1162 1163 return recordingEnabledL(); 1164} 1165 1166bool Camera2Client::recordingEnabledL() { 1167 ATRACE_CALL(); 1168 SharedParameters::Lock l(mParameters); 1169 1170 return (l.mParameters.state == Parameters::RECORD 1171 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1172} 1173 1174void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1175 ATRACE_CALL(); 1176 Mutex::Autolock icl(mBinderSerializationLock); 1177 if ( checkPid(__FUNCTION__) != OK) return; 1178 1179 mStreamingProcessor->releaseRecordingFrame(mem); 1180} 1181 1182status_t Camera2Client::autoFocus() { 1183 ATRACE_CALL(); 1184 Mutex::Autolock icl(mBinderSerializationLock); 1185 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1186 status_t res; 1187 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1188 1189 int triggerId; 1190 bool notifyImmediately = false; 1191 bool notifySuccess = false; 1192 { 1193 SharedParameters::Lock l(mParameters); 1194 if (l.mParameters.state < Parameters::PREVIEW) { 1195 return INVALID_OPERATION; 1196 } 1197 1198 /** 1199 * If the camera does not support auto-focus, it is a no-op and 1200 * onAutoFocus(boolean, Camera) callback will be called immediately 1201 * with a fake value of success set to true. 1202 * 1203 * Similarly, if focus mode is set to INFINITY, there's no reason to 1204 * bother the HAL. 1205 */ 1206 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1207 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1208 notifyImmediately = true; 1209 notifySuccess = true; 1210 } 1211 /** 1212 * If we're in CAF mode, and AF has already been locked, just fire back 1213 * the callback right away; the HAL would not send a notification since 1214 * no state change would happen on a AF trigger. 1215 */ 1216 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1217 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1218 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1219 notifyImmediately = true; 1220 notifySuccess = true; 1221 } 1222 /** 1223 * Send immediate notification back to client 1224 */ 1225 if (notifyImmediately) { 1226 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1227 if (l.mRemoteCallback != 0) { 1228 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1229 notifySuccess ? 1 : 0, 0); 1230 } 1231 return OK; 1232 } 1233 /** 1234 * Handle quirk mode for AF in scene modes 1235 */ 1236 if (l.mParameters.quirks.triggerAfWithAuto && 1237 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1238 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1239 !l.mParameters.focusingAreas[0].isEmpty()) { 1240 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1241 __FUNCTION__, l.mParameters.focusMode); 1242 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1243 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1244 updateRequests(l.mParameters); 1245 } 1246 1247 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1248 triggerId = l.mParameters.currentAfTriggerId; 1249 } 1250 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1251 1252 syncWithDevice(); 1253 1254 mDevice->triggerAutofocus(triggerId); 1255 1256 return OK; 1257} 1258 1259status_t Camera2Client::cancelAutoFocus() { 1260 ATRACE_CALL(); 1261 Mutex::Autolock icl(mBinderSerializationLock); 1262 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1263 status_t res; 1264 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1265 1266 int triggerId; 1267 { 1268 SharedParameters::Lock l(mParameters); 1269 // Canceling does nothing in FIXED or INFINITY modes 1270 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1271 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1272 return OK; 1273 } 1274 1275 // An active AF trigger is canceled 1276 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1277 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1278 } 1279 1280 triggerId = ++l.mParameters.afTriggerCounter; 1281 1282 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1283 // the real state at this point. No need to cancel explicitly if 1284 // changing the AF mode. 1285 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1286 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1287 l.mParameters.shadowFocusMode); 1288 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1289 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1290 updateRequests(l.mParameters); 1291 1292 return OK; 1293 } 1294 if (l.mParameters.zslMode) { 1295 mZslProcessor->clearZslQueue(); 1296 } 1297 } 1298 syncWithDevice(); 1299 1300 mDevice->triggerCancelAutofocus(triggerId); 1301 1302 return OK; 1303} 1304 1305status_t Camera2Client::takePicture(int msgType) { 1306 ATRACE_CALL(); 1307 Mutex::Autolock icl(mBinderSerializationLock); 1308 status_t res; 1309 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1310 1311 int takePictureCounter; 1312 { 1313 SharedParameters::Lock l(mParameters); 1314 switch (l.mParameters.state) { 1315 case Parameters::DISCONNECTED: 1316 case Parameters::STOPPED: 1317 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1318 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1319 __FUNCTION__, mCameraId); 1320 return INVALID_OPERATION; 1321 case Parameters::PREVIEW: 1322 // Good to go for takePicture 1323 res = commandStopFaceDetectionL(l.mParameters); 1324 if (res != OK) { 1325 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1326 __FUNCTION__, mCameraId); 1327 return res; 1328 } 1329 l.mParameters.state = Parameters::STILL_CAPTURE; 1330 break; 1331 case Parameters::RECORD: 1332 // Good to go for video snapshot 1333 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1334 break; 1335 case Parameters::STILL_CAPTURE: 1336 case Parameters::VIDEO_SNAPSHOT: 1337 ALOGE("%s: Camera %d: Already taking a picture", 1338 __FUNCTION__, mCameraId); 1339 return INVALID_OPERATION; 1340 } 1341 1342 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1343 1344 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1345 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1346 if (res != OK) { 1347 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1348 __FUNCTION__, mCameraId, strerror(-res), res); 1349 return res; 1350 } 1351 takePictureCounter = ++l.mParameters.takePictureCounter; 1352 1353 // Clear ZSL buffer queue when Jpeg size is changed. 1354 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1355 if (l.mParameters.zslMode && jpegStreamChanged) { 1356 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1357 __FUNCTION__, mCameraId); 1358 mZslProcessor->clearZslQueue(); 1359 } 1360 } 1361 1362 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1363 1364 // Need HAL to have correct settings before (possibly) triggering precapture 1365 syncWithDevice(); 1366 1367 res = mCaptureSequencer->startCapture(msgType); 1368 if (res != OK) { 1369 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1370 __FUNCTION__, mCameraId, strerror(-res), res); 1371 } 1372 1373 return res; 1374} 1375 1376status_t Camera2Client::setParameters(const String8& params) { 1377 ATRACE_CALL(); 1378 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1379 Mutex::Autolock icl(mBinderSerializationLock); 1380 status_t res; 1381 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1382 1383 SharedParameters::Lock l(mParameters); 1384 1385 Parameters::focusMode_t focusModeBefore = l.mParameters.focusMode; 1386 res = l.mParameters.set(params); 1387 if (res != OK) return res; 1388 Parameters::focusMode_t focusModeAfter = l.mParameters.focusMode; 1389 1390 if (l.mParameters.zslMode && focusModeAfter != focusModeBefore) { 1391 mZslProcessor->clearZslQueue(); 1392 } 1393 1394 res = updateRequests(l.mParameters); 1395 1396 return res; 1397} 1398 1399String8 Camera2Client::getParameters() const { 1400 ATRACE_CALL(); 1401 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1402 Mutex::Autolock icl(mBinderSerializationLock); 1403 // The camera service can unconditionally get the parameters at all times 1404 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1405 1406 SharedParameters::ReadLock l(mParameters); 1407 1408 return l.mParameters.get(); 1409} 1410 1411status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1412 ATRACE_CALL(); 1413 Mutex::Autolock icl(mBinderSerializationLock); 1414 status_t res; 1415 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1416 1417 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1418 cmd, arg1, arg2); 1419 1420 switch (cmd) { 1421 case CAMERA_CMD_START_SMOOTH_ZOOM: 1422 return commandStartSmoothZoomL(); 1423 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1424 return commandStopSmoothZoomL(); 1425 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1426 return commandSetDisplayOrientationL(arg1); 1427 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1428 return commandEnableShutterSoundL(arg1 == 1); 1429 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1430 return commandPlayRecordingSoundL(); 1431 case CAMERA_CMD_START_FACE_DETECTION: 1432 return commandStartFaceDetectionL(arg1); 1433 case CAMERA_CMD_STOP_FACE_DETECTION: { 1434 SharedParameters::Lock l(mParameters); 1435 return commandStopFaceDetectionL(l.mParameters); 1436 } 1437 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1438 return commandEnableFocusMoveMsgL(arg1 == 1); 1439 case CAMERA_CMD_PING: 1440 return commandPingL(); 1441 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1442 return commandSetVideoBufferCountL(arg1); 1443 default: 1444 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1445 __FUNCTION__, cmd, arg1, arg2); 1446 return BAD_VALUE; 1447 } 1448} 1449 1450status_t Camera2Client::commandStartSmoothZoomL() { 1451 ALOGE("%s: Unimplemented!", __FUNCTION__); 1452 return OK; 1453} 1454 1455status_t Camera2Client::commandStopSmoothZoomL() { 1456 ALOGE("%s: Unimplemented!", __FUNCTION__); 1457 return OK; 1458} 1459 1460status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1461 int transform = Parameters::degToTransform(degrees, 1462 mCameraFacing == CAMERA_FACING_FRONT); 1463 if (transform == -1) { 1464 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1465 __FUNCTION__, mCameraId, degrees); 1466 return BAD_VALUE; 1467 } 1468 SharedParameters::Lock l(mParameters); 1469 if (transform != l.mParameters.previewTransform && 1470 getPreviewStreamId() != NO_STREAM) { 1471 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1472 } 1473 l.mParameters.previewTransform = transform; 1474 return OK; 1475} 1476 1477status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1478 SharedParameters::Lock l(mParameters); 1479 if (enable) { 1480 l.mParameters.playShutterSound = true; 1481 return OK; 1482 } 1483 1484 // the camera2 api legacy mode can unconditionally disable the shutter sound 1485 if (mLegacyMode) { 1486 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1487 l.mParameters.playShutterSound = false; 1488 return OK; 1489 } 1490 1491 // Disabling shutter sound may not be allowed. In that case only 1492 // allow the mediaserver process to disable the sound. 1493 char value[PROPERTY_VALUE_MAX]; 1494 property_get("ro.camera.sound.forced", value, "0"); 1495 if (strncmp(value, "0", 2) != 0) { 1496 // Disabling shutter sound is not allowed. Deny if the current 1497 // process is not mediaserver. 1498 if (getCallingPid() != getpid()) { 1499 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1500 getCallingPid()); 1501 return PERMISSION_DENIED; 1502 } 1503 } 1504 1505 l.mParameters.playShutterSound = false; 1506 return OK; 1507} 1508 1509status_t Camera2Client::commandPlayRecordingSoundL() { 1510 mCameraService->playSound(CameraService::SOUND_RECORDING); 1511 return OK; 1512} 1513 1514status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1515 ALOGV("%s: Camera %d: Starting face detection", 1516 __FUNCTION__, mCameraId); 1517 status_t res; 1518 SharedParameters::Lock l(mParameters); 1519 switch (l.mParameters.state) { 1520 case Parameters::DISCONNECTED: 1521 case Parameters::STOPPED: 1522 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1523 case Parameters::STILL_CAPTURE: 1524 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1525 __FUNCTION__, mCameraId); 1526 return INVALID_OPERATION; 1527 case Parameters::PREVIEW: 1528 case Parameters::RECORD: 1529 case Parameters::VIDEO_SNAPSHOT: 1530 // Good to go for starting face detect 1531 break; 1532 } 1533 // Ignoring type 1534 if (l.mParameters.fastInfo.bestFaceDetectMode == 1535 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1536 ALOGE("%s: Camera %d: Face detection not supported", 1537 __FUNCTION__, mCameraId); 1538 return BAD_VALUE; 1539 } 1540 if (l.mParameters.enableFaceDetect) return OK; 1541 1542 l.mParameters.enableFaceDetect = true; 1543 1544 res = updateRequests(l.mParameters); 1545 1546 return res; 1547} 1548 1549status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1550 status_t res = OK; 1551 ALOGV("%s: Camera %d: Stopping face detection", 1552 __FUNCTION__, mCameraId); 1553 1554 if (!params.enableFaceDetect) return OK; 1555 1556 params.enableFaceDetect = false; 1557 1558 if (params.state == Parameters::PREVIEW 1559 || params.state == Parameters::RECORD 1560 || params.state == Parameters::VIDEO_SNAPSHOT) { 1561 res = updateRequests(params); 1562 } 1563 1564 return res; 1565} 1566 1567status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1568 SharedParameters::Lock l(mParameters); 1569 l.mParameters.enableFocusMoveMessages = enable; 1570 1571 return OK; 1572} 1573 1574status_t Camera2Client::commandPingL() { 1575 // Always ping back if access is proper and device is alive 1576 SharedParameters::Lock l(mParameters); 1577 if (l.mParameters.state != Parameters::DISCONNECTED) { 1578 return OK; 1579 } else { 1580 return NO_INIT; 1581 } 1582} 1583 1584status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1585 if (recordingEnabledL()) { 1586 ALOGE("%s: Camera %d: Error setting video buffer count after " 1587 "recording was started", __FUNCTION__, mCameraId); 1588 return INVALID_OPERATION; 1589 } 1590 1591 return mStreamingProcessor->setRecordingBufferCount(count); 1592} 1593 1594/** Device-related methods */ 1595void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1596 ALOGV("%s: Autofocus state now %d, last trigger %d", 1597 __FUNCTION__, newState, triggerId); 1598 bool sendCompletedMessage = false; 1599 bool sendMovingMessage = false; 1600 1601 bool success = false; 1602 bool afInMotion = false; 1603 { 1604 SharedParameters::Lock l(mParameters); 1605 // Trace end of AF state 1606 char tmp[32]; 1607 if (l.mParameters.afStateCounter > 0) { 1608 camera_metadata_enum_snprint( 1609 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1610 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1611 } 1612 1613 // Update state 1614 l.mParameters.focusState = newState; 1615 l.mParameters.afStateCounter++; 1616 1617 // Trace start of AF state 1618 1619 camera_metadata_enum_snprint( 1620 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1621 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1622 1623 switch (l.mParameters.focusMode) { 1624 case Parameters::FOCUS_MODE_AUTO: 1625 case Parameters::FOCUS_MODE_MACRO: 1626 // Don't send notifications upstream if they're not for the current AF 1627 // trigger. For example, if cancel was called in between, or if we 1628 // already sent a notification about this AF call. 1629 if (triggerId != l.mParameters.currentAfTriggerId) break; 1630 switch (newState) { 1631 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1632 success = true; 1633 // no break 1634 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1635 sendCompletedMessage = true; 1636 l.mParameters.currentAfTriggerId = -1; 1637 break; 1638 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1639 // Just starting focusing, ignore 1640 break; 1641 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1642 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1643 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1644 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1645 default: 1646 // Unexpected in AUTO/MACRO mode 1647 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1648 __FUNCTION__, newState); 1649 break; 1650 } 1651 break; 1652 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1653 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1654 switch (newState) { 1655 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1656 success = true; 1657 // no break 1658 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1659 // Don't send notifications upstream if they're not for 1660 // the current AF trigger. For example, if cancel was 1661 // called in between, or if we already sent a 1662 // notification about this AF call. 1663 // Send both a 'AF done' callback and a 'AF move' callback 1664 if (triggerId != l.mParameters.currentAfTriggerId) break; 1665 sendCompletedMessage = true; 1666 afInMotion = false; 1667 if (l.mParameters.enableFocusMoveMessages && 1668 l.mParameters.afInMotion) { 1669 sendMovingMessage = true; 1670 } 1671 l.mParameters.currentAfTriggerId = -1; 1672 break; 1673 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1674 // Cancel was called, or we switched state; care if 1675 // currently moving 1676 afInMotion = false; 1677 if (l.mParameters.enableFocusMoveMessages && 1678 l.mParameters.afInMotion) { 1679 sendMovingMessage = true; 1680 } 1681 break; 1682 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1683 // Start passive scan, inform upstream 1684 afInMotion = true; 1685 // no break 1686 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1687 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1688 // Stop passive scan, inform upstream 1689 if (l.mParameters.enableFocusMoveMessages) { 1690 sendMovingMessage = true; 1691 } 1692 break; 1693 } 1694 l.mParameters.afInMotion = afInMotion; 1695 break; 1696 case Parameters::FOCUS_MODE_EDOF: 1697 case Parameters::FOCUS_MODE_INFINITY: 1698 case Parameters::FOCUS_MODE_FIXED: 1699 default: 1700 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1701 ALOGE("%s: Unexpected AF state change %d " 1702 "(ID %d) in focus mode %d", 1703 __FUNCTION__, newState, triggerId, 1704 l.mParameters.focusMode); 1705 } 1706 } 1707 } 1708 if (sendMovingMessage) { 1709 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1710 if (l.mRemoteCallback != 0) { 1711 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1712 afInMotion ? 1 : 0, 0); 1713 } 1714 } 1715 if (sendCompletedMessage) { 1716 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1717 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1718 if (l.mRemoteCallback != 0) { 1719 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1720 success ? 1 : 0, 0); 1721 } 1722 } 1723} 1724 1725void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1726 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1727 __FUNCTION__, newState, triggerId); 1728 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1729} 1730 1731camera2::SharedParameters& Camera2Client::getParameters() { 1732 return mParameters; 1733} 1734 1735int Camera2Client::getPreviewStreamId() const { 1736 return mStreamingProcessor->getPreviewStreamId(); 1737} 1738 1739int Camera2Client::getCaptureStreamId() const { 1740 return mJpegProcessor->getStreamId(); 1741} 1742 1743int Camera2Client::getCallbackStreamId() const { 1744 return mCallbackProcessor->getStreamId(); 1745} 1746 1747int Camera2Client::getRecordingStreamId() const { 1748 return mStreamingProcessor->getRecordingStreamId(); 1749} 1750 1751int Camera2Client::getZslStreamId() const { 1752 return mZslProcessor->getStreamId(); 1753} 1754 1755status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1756 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1757 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1758} 1759 1760status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1761 wp<camera2::FrameProcessor::FilteredListener> listener) { 1762 return mFrameProcessor->removeListener(minId, maxId, listener); 1763} 1764 1765status_t Camera2Client::stopStream() { 1766 return mStreamingProcessor->stopStream(); 1767} 1768 1769const int32_t Camera2Client::kPreviewRequestIdStart; 1770const int32_t Camera2Client::kPreviewRequestIdEnd; 1771const int32_t Camera2Client::kRecordingRequestIdStart; 1772const int32_t Camera2Client::kRecordingRequestIdEnd; 1773const int32_t Camera2Client::kCaptureRequestIdStart; 1774const int32_t Camera2Client::kCaptureRequestIdEnd; 1775 1776/** Utility methods */ 1777 1778status_t Camera2Client::updateRequests(Parameters ¶ms) { 1779 status_t res; 1780 1781 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1782 1783 res = mStreamingProcessor->incrementStreamingIds(); 1784 if (res != OK) { 1785 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1786 __FUNCTION__, mCameraId, strerror(-res), res); 1787 return res; 1788 } 1789 1790 res = mStreamingProcessor->updatePreviewRequest(params); 1791 if (res != OK) { 1792 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1793 __FUNCTION__, mCameraId, strerror(-res), res); 1794 return res; 1795 } 1796 res = mStreamingProcessor->updateRecordingRequest(params); 1797 if (res != OK) { 1798 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1799 __FUNCTION__, mCameraId, strerror(-res), res); 1800 return res; 1801 } 1802 1803 if (params.state == Parameters::PREVIEW) { 1804 res = startPreviewL(params, true); 1805 if (res != OK) { 1806 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1807 __FUNCTION__, mCameraId, strerror(-res), res); 1808 return res; 1809 } 1810 } else if (params.state == Parameters::RECORD || 1811 params.state == Parameters::VIDEO_SNAPSHOT) { 1812 res = startRecordingL(params, true); 1813 if (res != OK) { 1814 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1815 __FUNCTION__, mCameraId, strerror(-res), res); 1816 return res; 1817 } 1818 } 1819 return res; 1820} 1821 1822 1823size_t Camera2Client::calculateBufferSize(int width, int height, 1824 int format, int stride) { 1825 switch (format) { 1826 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1827 return width * height * 2; 1828 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1829 return width * height * 3 / 2; 1830 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1831 return width * height * 2; 1832 case HAL_PIXEL_FORMAT_YV12: { // YV12 1833 size_t ySize = stride * height; 1834 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1835 size_t uvSize = uvStride * height / 2; 1836 return ySize + uvSize * 2; 1837 } 1838 case HAL_PIXEL_FORMAT_RGB_565: 1839 return width * height * 2; 1840 case HAL_PIXEL_FORMAT_RGBA_8888: 1841 return width * height * 4; 1842 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1843 return width * height * 2; 1844 default: 1845 ALOGE("%s: Unknown preview format: %x", 1846 __FUNCTION__, format); 1847 return 0; 1848 } 1849} 1850 1851status_t Camera2Client::syncWithDevice() { 1852 ATRACE_CALL(); 1853 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1854 status_t res; 1855 1856 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1857 if (activeRequestId == 0) return OK; 1858 1859 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1860 if (res == TIMED_OUT) { 1861 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1862 __FUNCTION__, mCameraId); 1863 } else if (res != OK) { 1864 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1865 __FUNCTION__, mCameraId); 1866 } 1867 return res; 1868} 1869 1870template <typename ProcessorT> 1871status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1872 camera2::Parameters params) { 1873 // No default template arguments until C++11, so we need this overload 1874 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1875 processor, params); 1876} 1877 1878template <typename ProcessorT, 1879 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1880status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1881 Parameters params) { 1882 status_t res; 1883 1884 // Get raw pointer since sp<T> doesn't have operator->* 1885 ProcessorT *processorPtr = processor.get(); 1886 res = (processorPtr->*updateStreamF)(params); 1887 1888 /** 1889 * Can't update the stream if it's busy? 1890 * 1891 * Then we need to stop the device (by temporarily clearing the request 1892 * queue) and then try again. Resume streaming once we're done. 1893 */ 1894 if (res == -EBUSY) { 1895 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 1896 mCameraId); 1897 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1898 if (res != OK) { 1899 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1900 __FUNCTION__, mCameraId, strerror(-res), res); 1901 } 1902 1903 res = mDevice->waitUntilDrained(); 1904 if (res != OK) { 1905 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1906 __FUNCTION__, mCameraId, strerror(-res), res); 1907 } 1908 1909 res = (processorPtr->*updateStreamF)(params); 1910 if (res != OK) { 1911 ALOGE("%s: Camera %d: Failed to update processing stream " 1912 " despite having halted streaming first: %s (%d)", 1913 __FUNCTION__, mCameraId, strerror(-res), res); 1914 } 1915 1916 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1917 if (res != OK) { 1918 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1919 __FUNCTION__, mCameraId, strerror(-res), res); 1920 } 1921 } 1922 1923 return res; 1924} 1925 1926const char* Camera2Client::kAutofocusLabel = "autofocus"; 1927const char* Camera2Client::kTakepictureLabel = "take_picture"; 1928 1929} // namespace android 1930