OMXFocus.cpp revision 5458bdc45048501d1919b14d22456de91f7e8950
1/* 2 * Copyright (C) Texas Instruments - http://www.ti.com/ 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 18/** 19* @file OMXFocus.cpp 20* 21* This file contains functionality for handling focus configurations. 22* 23*/ 24 25#undef LOG_TAG 26 27#define LOG_TAG "CameraHAL" 28 29#include "CameraHal.h" 30#include "OMXCameraAdapter.h" 31#include "ErrorUtils.h" 32 33#define TOUCH_FOCUS_RANGE 0xFF 34#define AF_CALLBACK_TIMEOUT 5000000 //5 seconds timeout 35 36namespace android { 37 38status_t OMXCameraAdapter::setParametersFocus(const CameraParameters ¶ms, 39 BaseCameraAdapter::AdapterState state) 40{ 41 status_t ret = NO_ERROR; 42 const char *str = NULL; 43 Vector< sp<CameraArea> > tempAreas; 44 size_t MAX_FOCUS_AREAS; 45 46 LOG_FUNCTION_NAME; 47 48 Mutex::Autolock lock(mFocusAreasLock); 49 50 str = params.get(CameraParameters::KEY_FOCUS_AREAS); 51 52 MAX_FOCUS_AREAS = atoi(params.get(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS)); 53 54 if ( NULL != str ) { 55 ret = CameraArea::parseAreas(str, ( strlen(str) + 1 ), tempAreas); 56 } 57 58 if ( (NO_ERROR == ret) && CameraArea::areAreasDifferent(mFocusAreas, tempAreas) ) { 59 mFocusAreas.clear(); 60 mFocusAreas = tempAreas; 61 if ( MAX_FOCUS_AREAS < mFocusAreas.size() ) { 62 CAMHAL_LOGEB("Focus areas supported %d, focus areas set %d", 63 MAX_FOCUS_AREAS, 64 mFocusAreas.size()); 65 ret = -EINVAL; 66 } 67 else { 68 if ( !mFocusAreas.isEmpty() ) { 69 setTouchFocus(); 70 } 71 } 72 } 73 74 LOG_FUNCTION_NAME; 75 76 return ret; 77} 78 79status_t OMXCameraAdapter::doAutoFocus() 80{ 81 status_t ret = NO_ERROR; 82 OMX_ERRORTYPE eError = OMX_ErrorNone; 83 OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE focusControl; 84 OMX_PARAM_FOCUSSTATUSTYPE focusStatus; 85 86 LOG_FUNCTION_NAME; 87 88 if ( OMX_StateExecuting != mComponentState ) 89 { 90 CAMHAL_LOGEA("OMX component not in executing state"); 91 returnFocusStatus(false); 92 return NO_INIT; 93 } 94 95 if ( 0 != mDoAFSem.Count() ) 96 { 97 CAMHAL_LOGEB("Error mDoAFSem semaphore count %d", mDoAFSem.Count()); 98 return NO_INIT; 99 } 100 101 // If the app calls autoFocus, the camera will stop sending face callbacks. 102 pauseFaceDetection(true); 103 104 // This is needed for applying FOCUS_REGION correctly 105 if ( (!mFocusAreas.isEmpty()) && (!mFocusAreas.itemAt(0)->isZeroArea())) 106 { 107 //Disable face priority 108 setAlgoPriority(FACE_PRIORITY, FOCUS_ALGO, false); 109 110 //Enable region algorithm priority 111 setAlgoPriority(REGION_PRIORITY, FOCUS_ALGO, true); 112 } 113 114 OMX_INIT_STRUCT_PTR (&focusControl, OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE); 115 focusControl.eFocusControl = ( OMX_IMAGE_FOCUSCONTROLTYPE ) mParameters3A.Focus; 116 117 if (mParameters3A.FocusLock) { 118 // this basically means user never called cancelAutoFocus after a scan... 119 // if this is the case we need to unlock AF to ensure we will do a scan 120 if (set3ALock(mUserSetExpLock, mUserSetWbLock, OMX_FALSE) != NO_ERROR) { 121 CAMHAL_LOGEA("Error Unlocking 3A locks"); 122 } else { 123 CAMHAL_LOGDA("AE/AWB unlocked successfully"); 124 } 125 126 } else if ( mParameters3A.Focus == OMX_IMAGE_FocusControlAuto ) { 127 // In case we have CAF running we should first check the AF status. 128 // If it has managed to lock, then do as usual and return status 129 // immediately. If lock is not available, then switch temporarily 130 // to 'autolock' and do normal AF. 131 ret = checkFocus(&focusStatus); 132 if ( NO_ERROR != ret ) { 133 CAMHAL_LOGEB("Focus status check failed 0x%x!", ret); 134 return ret; 135 } else { 136 CAMHAL_LOGDB("Focus status check 0x%x!", focusStatus.eFocusStatus); 137 } 138 } 139 140 if ( ( focusControl.eFocusControl != OMX_IMAGE_FocusControlAuto ) && 141 ( focusControl.eFocusControl != ( OMX_IMAGE_FOCUSCONTROLTYPE ) 142 OMX_IMAGE_FocusControlAutoInfinity ) ) { 143 144 ret = RegisterForEvent(mCameraAdapterParameters.mHandleComp, 145 (OMX_EVENTTYPE) OMX_EventIndexSettingChanged, 146 OMX_ALL, 147 OMX_IndexConfigCommonFocusStatus, 148 mDoAFSem); 149 150 if ( NO_ERROR == ret ) { 151 ret = setFocusCallback(true); 152 } 153 154 eError = OMX_SetConfig(mCameraAdapterParameters.mHandleComp, 155 OMX_IndexConfigFocusControl, 156 &focusControl); 157 158 if ( OMX_ErrorNone != eError ) { 159 CAMHAL_LOGEB("Error while starting focus 0x%x", eError); 160 return INVALID_OPERATION; 161 } else { 162 CAMHAL_LOGDA("Autofocus started successfully"); 163 } 164 165 if(mDoAFSem.WaitTimeout(AF_CALLBACK_TIMEOUT) != NO_ERROR) { 166 //If somethiing bad happened while we wait 167 if (mComponentState == OMX_StateInvalid) { 168 CAMHAL_LOGEA("Invalid State after Auto Focus Exitting!!!"); 169 return EINVAL; 170 } 171 172 //Disable auto focus callback from Ducati 173 setFocusCallback(false); 174 CAMHAL_LOGEA("Autofocus callback timeout expired"); 175 RemoveEvent(mCameraAdapterParameters.mHandleComp, 176 (OMX_EVENTTYPE) OMX_EventIndexSettingChanged, 177 OMX_ALL, 178 OMX_IndexConfigCommonFocusStatus, 179 NULL ); 180 returnFocusStatus(true); 181 } else { 182 CAMHAL_LOGDA("Autofocus callback received"); 183 //Disable auto focus callback from Ducati 184 setFocusCallback(false); 185 ret = returnFocusStatus(false); 186 } 187 } else { // Focus mode in continuous 188 if ( NO_ERROR == ret ) { 189 ret = returnFocusStatus(false); 190 mPending3Asettings |= SetFocus; 191 } 192 } 193 194 LOG_FUNCTION_NAME_EXIT; 195 196 return ret; 197} 198 199status_t OMXCameraAdapter::stopAutoFocus() 200{ 201 status_t ret = NO_ERROR; 202 OMX_ERRORTYPE eError = OMX_ErrorNone; 203 OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE focusControl; 204 205 LOG_FUNCTION_NAME; 206 207 if ( OMX_StateExecuting != mComponentState ) 208 { 209 CAMHAL_LOGEA("OMX component not in executing state"); 210 return NO_INIT; 211 } 212 213 if ( mParameters3A.Focus == OMX_IMAGE_FocusControlAutoInfinity ) { 214 // No need to stop focus if we are in infinity mode. Nothing to stop. 215 return NO_ERROR; 216 } 217 218 if ( NO_ERROR == ret ) 219 { 220 //Disable the callback first 221 ret = setFocusCallback(false); 222 } 223 224 if ( NO_ERROR == ret ) 225 { 226 OMX_INIT_STRUCT_PTR (&focusControl, OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE); 227 focusControl.eFocusControl = OMX_IMAGE_FocusControlOff; 228 229 eError = OMX_SetConfig(mCameraAdapterParameters.mHandleComp, 230 OMX_IndexConfigFocusControl, 231 &focusControl); 232 if ( OMX_ErrorNone != eError ) 233 { 234 CAMHAL_LOGEB("Error while stopping focus 0x%x", eError); 235 return ErrorUtils::omxToAndroidError(eError); 236 } 237 } 238 239 //Query current focus distance after AF is complete 240 updateFocusDistances(mParameters); 241 242 LOG_FUNCTION_NAME_EXIT; 243 244 return ret; 245} 246 247status_t OMXCameraAdapter::getFocusMode(OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE &focusMode) 248{; 249 OMX_ERRORTYPE eError = OMX_ErrorNone; 250 251 LOG_FUNCTION_NAME; 252 253 if ( OMX_StateInvalid == mComponentState ) { 254 CAMHAL_LOGEA("OMX component is in invalid state"); 255 return NO_INIT; 256 } 257 258 OMX_INIT_STRUCT_PTR (&focusMode, OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE); 259 focusMode.nPortIndex = mCameraAdapterParameters.mPrevPortIndex; 260 261 eError = OMX_GetConfig(mCameraAdapterParameters.mHandleComp, 262 OMX_IndexConfigFocusControl, 263 &focusMode); 264 265 if ( OMX_ErrorNone != eError ) { 266 CAMHAL_LOGEB("Error while retrieving focus mode 0x%x", eError); 267 } 268 269 LOG_FUNCTION_NAME_EXIT; 270 271 return ErrorUtils::omxToAndroidError(eError); 272} 273 274status_t OMXCameraAdapter::cancelAutoFocus() 275{ 276 status_t ret = NO_ERROR; 277 OMX_ERRORTYPE eError = OMX_ErrorNone; 278 OMX_IMAGE_CONFIG_FOCUSCONTROLTYPE focusMode; 279 280 LOG_FUNCTION_NAME; 281 // Unlock 3A locks since they were locked by AF conditionally 282 if( set3ALock(mUserSetExpLock, mUserSetWbLock, OMX_FALSE) != NO_ERROR) { 283 CAMHAL_LOGEA("Error Unlocking 3A locks"); 284 } 285 else{ 286 CAMHAL_LOGDA("AE/AWB unlocked successfully"); 287 } 288 289 ret = getFocusMode(focusMode); 290 if ( NO_ERROR != ret ) { 291 return ret; 292 } 293 294 //Stop the AF only for modes other than CAF or Inifinity 295 if ( ( focusMode.eFocusControl != OMX_IMAGE_FocusControlAuto ) && 296 ( focusMode.eFocusControl != ( OMX_IMAGE_FOCUSCONTROLTYPE ) 297 OMX_IMAGE_FocusControlAutoInfinity ) ) { 298 stopAutoFocus(); 299 //Signal a dummy AF event so that in case the callback from ducati 300 //does come then it doesnt crash after 301 //exiting this function since eventSem will go out of scope. 302 ret |= SignalEvent(mCameraAdapterParameters.mHandleComp, 303 (OMX_EVENTTYPE) OMX_EventIndexSettingChanged, 304 OMX_ALL, 305 OMX_IndexConfigCommonFocusStatus, 306 NULL ); 307 } 308 309 // If the apps call #cancelAutoFocus()}, the face callbacks will also resume. 310 pauseFaceDetection(false); 311 312 LOG_FUNCTION_NAME_EXIT; 313 314 return ret; 315 316} 317 318status_t OMXCameraAdapter::setFocusCallback(bool enabled) 319{ 320 status_t ret = NO_ERROR; 321 OMX_ERRORTYPE eError = OMX_ErrorNone; 322 OMX_CONFIG_CALLBACKREQUESTTYPE focusRequstCallback; 323 324 LOG_FUNCTION_NAME; 325 326 if ( OMX_StateExecuting != mComponentState ) 327 { 328 CAMHAL_LOGEA("OMX component not in executing state"); 329 ret = -1; 330 } 331 332 if ( NO_ERROR == ret ) 333 { 334 335 OMX_INIT_STRUCT_PTR (&focusRequstCallback, OMX_CONFIG_CALLBACKREQUESTTYPE); 336 focusRequstCallback.nPortIndex = OMX_ALL; 337 focusRequstCallback.nIndex = OMX_IndexConfigCommonFocusStatus; 338 339 if ( enabled ) 340 { 341 focusRequstCallback.bEnable = OMX_TRUE; 342 } 343 else 344 { 345 focusRequstCallback.bEnable = OMX_FALSE; 346 } 347 348 eError = OMX_SetConfig(mCameraAdapterParameters.mHandleComp, 349 (OMX_INDEXTYPE) OMX_IndexConfigCallbackRequest, 350 &focusRequstCallback); 351 if ( OMX_ErrorNone != eError ) 352 { 353 CAMHAL_LOGEB("Error registering focus callback 0x%x", eError); 354 ret = -1; 355 } 356 else 357 { 358 CAMHAL_LOGDB("Autofocus callback for index 0x%x registered successfully", 359 OMX_IndexConfigCommonFocusStatus); 360 } 361 } 362 363 LOG_FUNCTION_NAME_EXIT; 364 365 return ret; 366} 367 368status_t OMXCameraAdapter::returnFocusStatus(bool timeoutReached) 369{ 370 status_t ret = NO_ERROR; 371 OMX_PARAM_FOCUSSTATUSTYPE eFocusStatus; 372 bool focusStatus = false; 373 BaseCameraAdapter::AdapterState state, nextState; 374 BaseCameraAdapter::getState(state); 375 BaseCameraAdapter::getNextState(nextState); 376 377 LOG_FUNCTION_NAME; 378 379 OMX_INIT_STRUCT(eFocusStatus, OMX_PARAM_FOCUSSTATUSTYPE); 380 381 if( ((AF_ACTIVE & state ) != AF_ACTIVE) && ((AF_ACTIVE & nextState ) != AF_ACTIVE) ) 382 { 383 /// We don't send focus callback if focus was not started 384 CAMHAL_LOGDA("Not sending focus callback because focus was not started"); 385 return NO_ERROR; 386 } 387 388 if ( NO_ERROR == ret ) 389 { 390 391 if ( !timeoutReached ) 392 { 393 ret = checkFocus(&eFocusStatus); 394 395 if ( NO_ERROR != ret ) 396 { 397 CAMHAL_LOGEA("Focus status check failed!"); 398 } 399 } 400 } 401 402 if ( NO_ERROR == ret ) 403 { 404 405 if ( timeoutReached ) 406 { 407 focusStatus = false; 408 } 409 else 410 { 411 switch (eFocusStatus.eFocusStatus) 412 { 413 case OMX_FocusStatusReached: 414 { 415 focusStatus = true; 416 break; 417 } 418 case OMX_FocusStatusOff: 419 case OMX_FocusStatusUnableToReach: 420 case OMX_FocusStatusRequest: 421 default: 422 { 423 focusStatus = false; 424 break; 425 } 426 } 427 // Lock CAF after AF call 428 if( set3ALock(mUserSetExpLock, mUserSetWbLock, OMX_TRUE) != NO_ERROR) { 429 CAMHAL_LOGEA("Error Applying 3A locks"); 430 } else { 431 CAMHAL_LOGDA("Focus locked. Applied focus locks successfully"); 432 } 433 434 stopAutoFocus(); 435 } 436 } 437 438 ret = BaseCameraAdapter::setState(CAMERA_CANCEL_AUTOFOCUS); 439 if ( NO_ERROR == ret ) 440 { 441 ret = BaseCameraAdapter::commitState(); 442 } 443 else 444 { 445 ret |= BaseCameraAdapter::rollbackState(); 446 } 447 448 if ( NO_ERROR == ret ) 449 { 450 notifyFocusSubscribers(focusStatus); 451 } 452 453 // After focus, face detection will resume sending face callbacks 454 pauseFaceDetection(false); 455 456 LOG_FUNCTION_NAME_EXIT; 457 458 return ret; 459} 460 461status_t OMXCameraAdapter::checkFocus(OMX_PARAM_FOCUSSTATUSTYPE *eFocusStatus) 462{ 463 status_t ret = NO_ERROR; 464 OMX_ERRORTYPE eError = OMX_ErrorNone; 465 466 LOG_FUNCTION_NAME; 467 468 if ( NULL == eFocusStatus ) 469 { 470 CAMHAL_LOGEA("Invalid focus status"); 471 ret = -EINVAL; 472 } 473 474 if ( OMX_StateExecuting != mComponentState ) 475 { 476 CAMHAL_LOGEA("OMX component not in executing state"); 477 ret = -EINVAL; 478 } 479 480 if ( NO_ERROR == ret ) 481 { 482 OMX_INIT_STRUCT_PTR (eFocusStatus, OMX_PARAM_FOCUSSTATUSTYPE); 483 484 eError = OMX_GetConfig(mCameraAdapterParameters.mHandleComp, 485 OMX_IndexConfigCommonFocusStatus, 486 eFocusStatus); 487 if ( OMX_ErrorNone != eError ) 488 { 489 CAMHAL_LOGEB("Error while retrieving focus status: 0x%x", eError); 490 ret = -1; 491 } 492 } 493 494 if ( NO_ERROR == ret ) 495 { 496 CAMHAL_LOGDB("Focus Status: %d", eFocusStatus->eFocusStatus); 497 } 498 499 LOG_FUNCTION_NAME_EXIT; 500 501 return ret; 502} 503 504status_t OMXCameraAdapter::updateFocusDistances(CameraParameters ¶ms) 505{ 506 OMX_U32 focusNear, focusOptimal, focusFar; 507 status_t ret = NO_ERROR; 508 509 LOG_FUNCTION_NAME; 510 511 ret = getFocusDistances(focusNear, focusOptimal, focusFar); 512 if ( NO_ERROR == ret) 513 { 514 ret = addFocusDistances(focusNear, focusOptimal, focusFar, params); 515 if ( NO_ERROR != ret ) 516 { 517 CAMHAL_LOGEB("Error in call to addFocusDistances() 0x%x", ret); 518 } 519 } 520 else 521 { 522 CAMHAL_LOGEB("Error in call to getFocusDistances() 0x%x", ret); 523 } 524 525 LOG_FUNCTION_NAME_EXIT; 526 527 return ret; 528} 529 530status_t OMXCameraAdapter::getFocusDistances(OMX_U32 &near,OMX_U32 &optimal, OMX_U32 &far) 531{ 532 status_t ret = NO_ERROR; 533 OMX_ERRORTYPE eError; 534 535 OMX_TI_CONFIG_FOCUSDISTANCETYPE focusDist; 536 537 LOG_FUNCTION_NAME; 538 539 if ( OMX_StateInvalid == mComponentState ) 540 { 541 CAMHAL_LOGEA("OMX component is in invalid state"); 542 ret = UNKNOWN_ERROR; 543 } 544 545 if ( NO_ERROR == ret ) 546 { 547 OMX_INIT_STRUCT_PTR(&focusDist, OMX_TI_CONFIG_FOCUSDISTANCETYPE); 548 focusDist.nPortIndex = mCameraAdapterParameters.mPrevPortIndex; 549 550 eError = OMX_GetConfig(mCameraAdapterParameters.mHandleComp, 551 ( OMX_INDEXTYPE ) OMX_TI_IndexConfigFocusDistance, 552 &focusDist); 553 if ( OMX_ErrorNone != eError ) 554 { 555 CAMHAL_LOGEB("Error while querying focus distances 0x%x", eError); 556 ret = UNKNOWN_ERROR; 557 } 558 559 } 560 561 if ( NO_ERROR == ret ) 562 { 563 near = focusDist.nFocusDistanceNear; 564 optimal = focusDist.nFocusDistanceOptimal; 565 far = focusDist.nFocusDistanceFar; 566 } 567 568 LOG_FUNCTION_NAME_EXIT; 569 570 return ret; 571} 572 573status_t OMXCameraAdapter::encodeFocusDistance(OMX_U32 dist, char *buffer, size_t length) 574{ 575 status_t ret = NO_ERROR; 576 uint32_t focusScale = 1000; 577 float distFinal; 578 579 LOG_FUNCTION_NAME; 580 581 if(mParameters3A.Focus == OMX_IMAGE_FocusControlAutoInfinity) 582 { 583 dist=0; 584 } 585 586 if ( NO_ERROR == ret ) 587 { 588 if ( 0 == dist ) 589 { 590 strncpy(buffer, CameraParameters::FOCUS_DISTANCE_INFINITY, ( length - 1 )); 591 } 592 else 593 { 594 distFinal = dist; 595 distFinal /= focusScale; 596 snprintf(buffer, ( length - 1 ) , "%5.3f", distFinal); 597 } 598 } 599 600 LOG_FUNCTION_NAME_EXIT; 601 602 return ret; 603} 604 605status_t OMXCameraAdapter::addFocusDistances(OMX_U32 &near, 606 OMX_U32 &optimal, 607 OMX_U32 &far, 608 CameraParameters& params) 609{ 610 status_t ret = NO_ERROR; 611 612 LOG_FUNCTION_NAME; 613 614 if ( NO_ERROR == ret ) 615 { 616 ret = encodeFocusDistance(near, mFocusDistNear, FOCUS_DIST_SIZE); 617 if ( NO_ERROR != ret ) 618 { 619 CAMHAL_LOGEB("Error encoding near focus distance 0x%x", ret); 620 } 621 } 622 623 if ( NO_ERROR == ret ) 624 { 625 ret = encodeFocusDistance(optimal, mFocusDistOptimal, FOCUS_DIST_SIZE); 626 if ( NO_ERROR != ret ) 627 { 628 CAMHAL_LOGEB("Error encoding near focus distance 0x%x", ret); 629 } 630 } 631 632 if ( NO_ERROR == ret ) 633 { 634 ret = encodeFocusDistance(far, mFocusDistFar, FOCUS_DIST_SIZE); 635 if ( NO_ERROR != ret ) 636 { 637 CAMHAL_LOGEB("Error encoding near focus distance 0x%x", ret); 638 } 639 } 640 641 if ( NO_ERROR == ret ) 642 { 643 snprintf(mFocusDistBuffer, ( FOCUS_DIST_BUFFER_SIZE - 1) ,"%s,%s,%s", mFocusDistNear, 644 mFocusDistOptimal, 645 mFocusDistFar); 646 647 params.set(CameraParameters::KEY_FOCUS_DISTANCES, mFocusDistBuffer); 648 } 649 650 LOG_FUNCTION_NAME_EXIT; 651 652 return ret; 653} 654 655status_t OMXCameraAdapter::setTouchFocus() 656{ 657 status_t ret = NO_ERROR; 658 OMX_ERRORTYPE eError = OMX_ErrorNone; 659 660 OMX_ALGOAREASTYPE **focusAreas; 661 OMX_TI_CONFIG_SHAREDBUFFER sharedBuffer; 662 MemoryManager memMgr; 663 int areasSize = 0; 664 665 LOG_FUNCTION_NAME; 666 667 if ( OMX_StateInvalid == mComponentState ) 668 { 669 CAMHAL_LOGEA("OMX component is in invalid state"); 670 ret = -1; 671 } 672 673 if ( NO_ERROR == ret ) 674 { 675 676 areasSize = ((sizeof(OMX_ALGOAREASTYPE)+4095)/4096)*4096; 677 focusAreas = (OMX_ALGOAREASTYPE**) memMgr.allocateBuffer(0, 0, NULL, areasSize, 1); 678 679 OMXCameraPortParameters * mPreviewData = NULL; 680 mPreviewData = &mCameraAdapterParameters.mCameraPortParams[mCameraAdapterParameters.mPrevPortIndex]; 681 682 if (!focusAreas) 683 { 684 CAMHAL_LOGEB("Error allocating buffer for focus areas %d", eError); 685 return -ENOMEM; 686 } 687 688 OMX_INIT_STRUCT_PTR (focusAreas[0], OMX_ALGOAREASTYPE); 689 690 focusAreas[0]->nPortIndex = OMX_ALL; 691 focusAreas[0]->nNumAreas = mFocusAreas.size(); 692 focusAreas[0]->nAlgoAreaPurpose = OMX_AlgoAreaFocus; 693 694 // If the area is the special case of (0, 0, 0, 0, 0), then 695 // the algorithm needs nNumAreas to be set to 0, 696 // in order to automatically choose the best fitting areas. 697 if ( mFocusAreas.itemAt(0)->isZeroArea() ) 698 { 699 focusAreas[0]->nNumAreas = 0; 700 } 701 702 for ( unsigned int n = 0; n < mFocusAreas.size(); n++) 703 { 704 // transform the coordinates to 3A-type coordinates 705 mFocusAreas.itemAt(n)->transfrom((size_t)mPreviewData->mWidth, 706 (size_t)mPreviewData->mHeight, 707 (size_t&)focusAreas[0]->tAlgoAreas[n].nTop, 708 (size_t&)focusAreas[0]->tAlgoAreas[n].nLeft, 709 (size_t&)focusAreas[0]->tAlgoAreas[n].nWidth, 710 (size_t&)focusAreas[0]->tAlgoAreas[n].nHeight); 711 712 focusAreas[0]->tAlgoAreas[n].nLeft = 713 ( focusAreas[0]->tAlgoAreas[n].nLeft * TOUCH_FOCUS_RANGE ) / mPreviewData->mWidth; 714 focusAreas[0]->tAlgoAreas[n].nTop = 715 ( focusAreas[0]->tAlgoAreas[n].nTop* TOUCH_FOCUS_RANGE ) / mPreviewData->mHeight; 716 focusAreas[0]->tAlgoAreas[n].nWidth = 717 ( focusAreas[0]->tAlgoAreas[n].nWidth * TOUCH_FOCUS_RANGE ) / mPreviewData->mWidth; 718 focusAreas[0]->tAlgoAreas[n].nHeight = 719 ( focusAreas[0]->tAlgoAreas[n].nHeight * TOUCH_FOCUS_RANGE ) / mPreviewData->mHeight; 720 focusAreas[0]->tAlgoAreas[n].nPriority = mFocusAreas.itemAt(n)->getWeight(); 721 722 CAMHAL_LOGDB("Focus area %d : top = %d left = %d width = %d height = %d prio = %d", 723 n, (int)focusAreas[0]->tAlgoAreas[n].nTop, (int)focusAreas[0]->tAlgoAreas[n].nLeft, 724 (int)focusAreas[0]->tAlgoAreas[n].nWidth, (int)focusAreas[0]->tAlgoAreas[n].nHeight, 725 (int)focusAreas[0]->tAlgoAreas[n].nPriority); 726 } 727 728 OMX_INIT_STRUCT_PTR (&sharedBuffer, OMX_TI_CONFIG_SHAREDBUFFER); 729 730 sharedBuffer.nPortIndex = OMX_ALL; 731 sharedBuffer.nSharedBuffSize = areasSize; 732 sharedBuffer.pSharedBuff = (OMX_U8 *) focusAreas[0]; 733 734 if ( NULL == sharedBuffer.pSharedBuff ) 735 { 736 CAMHAL_LOGEA("No resources to allocate OMX shared buffer"); 737 ret = -ENOMEM; 738 goto EXIT; 739 } 740 741 eError = OMX_SetConfig(mCameraAdapterParameters.mHandleComp, 742 (OMX_INDEXTYPE) OMX_TI_IndexConfigAlgoAreas, &sharedBuffer); 743 744 if ( OMX_ErrorNone != eError ) 745 { 746 CAMHAL_LOGEB("Error while setting Focus Areas configuration 0x%x", eError); 747 ret = -EINVAL; 748 } 749 750 EXIT: 751 if (NULL != focusAreas) 752 { 753 memMgr.freeBuffer((void*) focusAreas); 754 focusAreas = NULL; 755 } 756 } 757 758 LOG_FUNCTION_NAME_EXIT; 759 760 return ret; 761} 762 763}; 764