1 /* Copyright (c) 2012-2013, The Linux Foundataion. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #define LOG_TAG "QCameraStateMachine" 31 32 #include <utils/Errors.h> 33 #include "QCamera2HWI.h" 34 #include "QCameraStateMachine.h" 35 36 namespace qcamera { 37 38 /*=========================================================================== 39 * FUNCTION : smEvtProcRoutine 40 * 41 * DESCRIPTION: Statemachine process thread routine to handle events 42 * in different state. 43 * 44 * PARAMETERS : 45 * @data : ptr to QCameraStateMachine object 46 * 47 * RETURN : none 48 *==========================================================================*/ 49 void *QCameraStateMachine::smEvtProcRoutine(void *data) 50 { 51 int running = 1, ret; 52 QCameraStateMachine *pme = (QCameraStateMachine *)data; 53 54 ALOGD("%s: E", __func__); 55 do { 56 do { 57 ret = cam_sem_wait(&pme->cmd_sem); 58 if (ret != 0 && errno != EINVAL) { 59 ALOGE("%s: cam_sem_wait error (%s)", 60 __func__, strerror(errno)); 61 return NULL; 62 } 63 } while (ret != 0); 64 65 // we got notified about new cmd avail in cmd queue 66 // first check API cmd queue 67 qcamera_sm_cmd_t *node = (qcamera_sm_cmd_t *)pme->api_queue.dequeue(); 68 if (node == NULL) { 69 // no API cmd, then check evt cmd queue 70 node = (qcamera_sm_cmd_t *)pme->evt_queue.dequeue(); 71 } 72 if (node != NULL) { 73 switch (node->cmd) { 74 case QCAMERA_SM_CMD_TYPE_API: 75 pme->stateMachine(node->evt, node->evt_payload); 76 // API is in a way sync call, so evt_payload is managed by HWI 77 // no need to free payload for API 78 break; 79 case QCAMERA_SM_CMD_TYPE_EVT: 80 pme->stateMachine(node->evt, node->evt_payload); 81 82 // EVT is async call, so payload need to be free after use 83 free(node->evt_payload); 84 node->evt_payload = NULL; 85 break; 86 case QCAMERA_SM_CMD_TYPE_EXIT: 87 running = 0; 88 break; 89 default: 90 break; 91 } 92 free(node); 93 node = NULL; 94 } 95 } while (running); 96 ALOGD("%s: X", __func__); 97 return NULL; 98 } 99 100 /*=========================================================================== 101 * FUNCTION : QCameraStateMachine 102 * 103 * DESCRIPTION: constructor of QCameraStateMachine. Will start process thread 104 * 105 * PARAMETERS : 106 * @ctrl : ptr to HWI object 107 * 108 * RETURN : none 109 *==========================================================================*/ 110 QCameraStateMachine::QCameraStateMachine(QCamera2HardwareInterface *ctrl) : 111 api_queue(), 112 evt_queue() 113 { 114 m_parent = ctrl; 115 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 116 cmd_pid = 0; 117 cam_sem_init(&cmd_sem, 0); 118 pthread_create(&cmd_pid, 119 NULL, 120 smEvtProcRoutine, 121 this); 122 } 123 124 /*=========================================================================== 125 * FUNCTION : ~QCameraStateMachine 126 * 127 * DESCRIPTION: desctructor of QCameraStateMachine. Will stop process thread. 128 * 129 * PARAMETERS : none 130 * 131 * RETURN : none 132 *==========================================================================*/ 133 QCameraStateMachine::~QCameraStateMachine() 134 { 135 if (cmd_pid != 0) { 136 qcamera_sm_cmd_t *node = 137 (qcamera_sm_cmd_t *)malloc(sizeof(qcamera_sm_cmd_t)); 138 if (NULL != node) { 139 memset(node, 0, sizeof(qcamera_sm_cmd_t)); 140 node->cmd = QCAMERA_SM_CMD_TYPE_EXIT; 141 142 api_queue.enqueue((void *)node); 143 cam_sem_post(&cmd_sem); 144 145 /* wait until cmd thread exits */ 146 if (pthread_join(cmd_pid, NULL) != 0) { 147 ALOGD("%s: pthread dead already\n", __func__); 148 } 149 } 150 cmd_pid = 0; 151 } 152 cam_sem_destroy(&cmd_sem); 153 } 154 155 /*=========================================================================== 156 * FUNCTION : procAPI 157 * 158 * DESCRIPTION: process incoming API request from framework layer. 159 * 160 * PARAMETERS : 161 * @evt : event to be processed 162 * @api_payload : API payload. Can be NULL if not needed. 163 * 164 * RETURN : int32_t type of status 165 * NO_ERROR -- success 166 * none-zero failure code 167 *==========================================================================*/ 168 int32_t QCameraStateMachine::procAPI(qcamera_sm_evt_enum_t evt, 169 void *api_payload) 170 { 171 qcamera_sm_cmd_t *node = 172 (qcamera_sm_cmd_t *)malloc(sizeof(qcamera_sm_cmd_t)); 173 if (NULL == node) { 174 ALOGE("%s: No memory for qcamera_sm_cmd_t", __func__); 175 return NO_MEMORY; 176 } 177 178 memset(node, 0, sizeof(qcamera_sm_cmd_t)); 179 node->cmd = QCAMERA_SM_CMD_TYPE_API; 180 node->evt = evt; 181 node->evt_payload = api_payload; 182 if (api_queue.enqueue((void *)node)) { 183 cam_sem_post(&cmd_sem); 184 return NO_ERROR; 185 } else { 186 free(node); 187 return UNKNOWN_ERROR; 188 } 189 } 190 191 /*=========================================================================== 192 * FUNCTION : procEvt 193 * 194 * DESCRIPTION: process incoming envent from mm-camera-interface and 195 * mm-jpeg-interface. 196 * 197 * PARAMETERS : 198 * @evt : event to be processed 199 * @evt_payload : event payload. Can be NULL if not needed. 200 * 201 * RETURN : int32_t type of status 202 * NO_ERROR -- success 203 * none-zero failure code 204 *==========================================================================*/ 205 int32_t QCameraStateMachine::procEvt(qcamera_sm_evt_enum_t evt, 206 void *evt_payload) 207 { 208 qcamera_sm_cmd_t *node = 209 (qcamera_sm_cmd_t *)malloc(sizeof(qcamera_sm_cmd_t)); 210 if (NULL == node) { 211 ALOGE("%s: No memory for qcamera_sm_cmd_t", __func__); 212 return NO_MEMORY; 213 } 214 215 memset(node, 0, sizeof(qcamera_sm_cmd_t)); 216 node->cmd = QCAMERA_SM_CMD_TYPE_EVT; 217 node->evt = evt; 218 node->evt_payload = evt_payload; 219 if (evt_queue.enqueue((void *)node)) { 220 cam_sem_post(&cmd_sem); 221 return NO_ERROR; 222 } else { 223 free(node); 224 return UNKNOWN_ERROR; 225 } 226 } 227 228 /*=========================================================================== 229 * FUNCTION : stateMachine 230 * 231 * DESCRIPTION: finite state machine entry function. Depends on state, 232 * incoming event will be handled differently. 233 * 234 * PARAMETERS : 235 * @evt : event to be processed 236 * @payload : event payload. Can be NULL if not needed. 237 * 238 * RETURN : int32_t type of status 239 * NO_ERROR -- success 240 * none-zero failure code 241 *==========================================================================*/ 242 int32_t QCameraStateMachine::stateMachine(qcamera_sm_evt_enum_t evt, void *payload) 243 { 244 int32_t rc = NO_ERROR; 245 switch (m_state) { 246 case QCAMERA_SM_STATE_PREVIEW_STOPPED: 247 rc = procEvtPreviewStoppedState(evt, payload); 248 break; 249 case QCAMERA_SM_STATE_PREVIEW_READY: 250 rc = procEvtPreviewReadyState(evt, payload); 251 break; 252 case QCAMERA_SM_STATE_PREVIEWING: 253 rc = procEvtPreviewingState(evt, payload); 254 break; 255 case QCAMERA_SM_STATE_PREPARE_SNAPSHOT: 256 rc = procEvtPrepareSnapshotState(evt, payload); 257 break; 258 case QCAMERA_SM_STATE_PIC_TAKING: 259 rc = procEvtPicTakingState(evt, payload); 260 break; 261 case QCAMERA_SM_STATE_RECORDING: 262 rc = procEvtRecordingState(evt, payload); 263 break; 264 case QCAMERA_SM_STATE_VIDEO_PIC_TAKING: 265 rc = procEvtVideoPicTakingState(evt, payload); 266 break; 267 case QCAMERA_SM_STATE_PREVIEW_PIC_TAKING: 268 rc = procEvtPreviewPicTakingState(evt, payload); 269 break; 270 default: 271 break; 272 } 273 274 return rc; 275 } 276 277 /*=========================================================================== 278 * FUNCTION : procEvtPreviewStoppedState 279 * 280 * DESCRIPTION: finite state machine function to handle event in state of 281 * QCAMERA_SM_STATE_PREVIEW_STOPPED. 282 * 283 * PARAMETERS : 284 * @evt : event to be processed 285 * @payload : event payload. Can be NULL if not needed. 286 * 287 * RETURN : int32_t type of status 288 * NO_ERROR -- success 289 * none-zero failure code 290 *==========================================================================*/ 291 int32_t QCameraStateMachine::procEvtPreviewStoppedState(qcamera_sm_evt_enum_t evt, 292 void *payload) 293 { 294 int32_t rc = NO_ERROR; 295 qcamera_api_result_t result; 296 memset(&result, 0, sizeof(qcamera_api_result_t)); 297 298 switch (evt) { 299 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 300 { 301 rc = m_parent->setPreviewWindow((struct preview_stream_ops *)payload); 302 result.status = rc; 303 result.request_api = evt; 304 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 305 m_parent->signalAPIResult(&result); 306 } 307 break; 308 case QCAMERA_SM_EVT_SET_CALLBACKS: 309 { 310 qcamera_sm_evt_setcb_payload_t *setcbs = 311 (qcamera_sm_evt_setcb_payload_t *)payload; 312 rc = m_parent->setCallBacks(setcbs->notify_cb, 313 setcbs->data_cb, 314 setcbs->data_cb_timestamp, 315 setcbs->get_memory, 316 setcbs->user); 317 result.status = rc; 318 result.request_api = evt; 319 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 320 m_parent->signalAPIResult(&result); 321 } 322 break; 323 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 324 { 325 rc = m_parent->enableMsgType(int32_t(payload)); 326 result.status = rc; 327 result.request_api = evt; 328 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 329 m_parent->signalAPIResult(&result); 330 } 331 break; 332 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 333 { 334 rc = m_parent->disableMsgType(int32_t(payload)); 335 result.status = rc; 336 result.request_api = evt; 337 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 338 m_parent->signalAPIResult(&result); 339 } 340 break; 341 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 342 { 343 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 344 result.status = rc; 345 result.request_api = evt; 346 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 347 result.enabled = enabled; 348 m_parent->signalAPIResult(&result); 349 } 350 break; 351 case QCAMERA_SM_EVT_SET_PARAMS: 352 { 353 bool needRestart = false; 354 rc = m_parent->updateParameters((char*)payload, needRestart); 355 if (rc == NO_ERROR) { 356 rc = m_parent->commitParameterChanges(); 357 } 358 result.status = rc; 359 result.request_api = evt; 360 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 361 m_parent->signalAPIResult(&result); 362 } 363 break; 364 case QCAMERA_SM_EVT_GET_PARAMS: 365 { 366 result.params = m_parent->getParameters(); 367 rc = NO_ERROR; 368 result.status = rc; 369 result.request_api = evt; 370 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 371 m_parent->signalAPIResult(&result); 372 } 373 break; 374 case QCAMERA_SM_EVT_PUT_PARAMS: 375 { 376 rc = m_parent->putParameters((char*)payload); 377 result.status = rc; 378 result.request_api = evt; 379 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 380 m_parent->signalAPIResult(&result); 381 } 382 break; 383 case QCAMERA_SM_EVT_START_PREVIEW: 384 { 385 if (m_parent->mPreviewWindow == NULL) { 386 rc = m_parent->preparePreview(); 387 if(rc == NO_ERROR) { 388 // preview window is not set yet, move to previewReady state 389 m_state = QCAMERA_SM_STATE_PREVIEW_READY; 390 } else { 391 ALOGE("%s: preparePreview failed",__func__); 392 } 393 } else { 394 rc = m_parent->preparePreview(); 395 if (rc == NO_ERROR) { 396 rc = m_parent->startPreview(); 397 if (rc != NO_ERROR) { 398 m_parent->unpreparePreview(); 399 } else { 400 // start preview success, move to previewing state 401 m_state = QCAMERA_SM_STATE_PREVIEWING; 402 } 403 } 404 } 405 result.status = rc; 406 result.request_api = evt; 407 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 408 m_parent->signalAPIResult(&result); 409 } 410 break; 411 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 412 { 413 rc = m_parent->preparePreview(); 414 if (rc == NO_ERROR) { 415 rc = m_parent->startPreview(); 416 if (rc != NO_ERROR) { 417 m_parent->unpreparePreview(); 418 } else { 419 m_state = QCAMERA_SM_STATE_PREVIEWING; 420 } 421 } 422 result.status = rc; 423 result.request_api = evt; 424 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 425 m_parent->signalAPIResult(&result); 426 } 427 break; 428 case QCAMERA_SM_EVT_STOP_PREVIEW: 429 { 430 // no op needed here 431 ALOGD("%s: already in preview stopped state, do nothing", __func__); 432 result.status = NO_ERROR; 433 result.request_api = evt; 434 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 435 m_parent->signalAPIResult(&result); 436 } 437 break; 438 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 439 case QCAMERA_SM_EVT_RECORDING_ENABLED: 440 { 441 result.status = NO_ERROR; 442 result.request_api = evt; 443 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 444 result.enabled = 0; 445 m_parent->signalAPIResult(&result); 446 } 447 break; 448 case QCAMERA_SM_EVT_RELEASE: 449 { 450 rc = m_parent->release(); 451 result.status = rc; 452 result.request_api = evt; 453 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 454 m_parent->signalAPIResult(&result); 455 } 456 break; 457 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 458 { 459 rc = m_parent->storeMetaDataInBuffers(int(payload)); 460 result.status = rc; 461 result.request_api = evt; 462 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 463 m_parent->signalAPIResult(&result); 464 } 465 break; 466 case QCAMERA_SM_EVT_DUMP: 467 { 468 rc = m_parent->dump((int)payload); 469 result.status = rc; 470 result.request_api = evt; 471 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 472 m_parent->signalAPIResult(&result); 473 } 474 break; 475 case QCAMERA_SM_EVT_SEND_COMMAND: 476 { 477 qcamera_sm_evt_command_payload_t *cmd_payload = 478 (qcamera_sm_evt_command_payload_t *)payload; 479 rc = m_parent->sendCommand(cmd_payload->cmd, 480 cmd_payload->arg1, 481 cmd_payload->arg2); 482 result.status = rc; 483 result.request_api = evt; 484 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 485 m_parent->signalAPIResult(&result); 486 } 487 break; 488 case QCAMERA_SM_EVT_START_RECORDING: 489 case QCAMERA_SM_EVT_STOP_RECORDING: 490 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 491 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT: 492 case QCAMERA_SM_EVT_TAKE_PICTURE: 493 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 494 { 495 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 496 rc = INVALID_OPERATION; 497 result.status = rc; 498 result.request_api = evt; 499 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 500 m_parent->signalAPIResult(&result); 501 } 502 break; 503 case QCAMERA_SM_EVT_CANCEL_PICTURE: 504 { 505 // no op needed here 506 ALOGD("%s: No ops for evt(%d) in state(%d)", __func__, evt, m_state); 507 result.status = NO_ERROR; 508 result.request_api = evt; 509 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 510 m_parent->signalAPIResult(&result); 511 } 512 break; 513 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 514 { 515 rc = m_parent->cancelAutoFocus(); 516 result.status = rc; 517 result.request_api = evt; 518 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 519 m_parent->signalAPIResult(&result); 520 } 521 break; 522 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 523 { 524 int32_t faceID = 0; 525 qcamera_sm_evt_reg_face_payload_t *reg_payload = 526 (qcamera_sm_evt_reg_face_payload_t *)payload; 527 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 528 reg_payload->config, 529 faceID); 530 result.status = rc; 531 result.request_api = evt; 532 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 533 result.handle = faceID; 534 m_parent->signalAPIResult(&result); 535 } 536 break; 537 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 538 { 539 rc = m_parent->updateThermalLevel( 540 *(qcamera_thermal_level_enum_t *)&payload); 541 } 542 break; 543 case QCAMERA_SM_EVT_EVT_NOTIFY: 544 { 545 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 546 switch (cam_evt->server_event_type) { 547 case CAM_EVENT_TYPE_DAEMON_DIED: 548 { 549 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 550 CAMERA_ERROR_SERVER_DIED, 551 0); 552 } 553 break; 554 default: 555 ALOGE("%s: Invalid internal event %d in state(%d)", 556 __func__, cam_evt->server_event_type, m_state); 557 break; 558 } 559 } 560 break; 561 case QCAMERA_SM_EVT_EVT_INTERNAL: 562 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 563 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 564 default: 565 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 566 break; 567 } 568 569 return rc; 570 } 571 572 /*=========================================================================== 573 * FUNCTION : procEvtPreviewReadyState 574 * 575 * DESCRIPTION: finite state machine function to handle event in state of 576 * QCAMERA_SM_STATE_PREVIEW_READY. 577 * 578 * PARAMETERS : 579 * @evt : event to be processed 580 * @payload : event payload. Can be NULL if not needed. 581 * 582 * RETURN : int32_t type of status 583 * NO_ERROR -- success 584 * none-zero failure code 585 *==========================================================================*/ 586 int32_t QCameraStateMachine::procEvtPreviewReadyState(qcamera_sm_evt_enum_t evt, 587 void *payload) 588 { 589 int32_t rc = NO_ERROR; 590 qcamera_api_result_t result; 591 memset(&result, 0, sizeof(qcamera_api_result_t)); 592 593 switch (evt) { 594 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 595 { 596 m_parent->setPreviewWindow((struct preview_stream_ops *)payload); 597 if (m_parent->mPreviewWindow != NULL) { 598 rc = m_parent->startPreview(); 599 if (rc != NO_ERROR) { 600 m_parent->unpreparePreview(); 601 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 602 } else { 603 m_state = QCAMERA_SM_STATE_PREVIEWING; 604 } 605 } 606 607 result.status = rc; 608 result.request_api = evt; 609 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 610 m_parent->signalAPIResult(&result); 611 } 612 break; 613 case QCAMERA_SM_EVT_SET_CALLBACKS: 614 { 615 qcamera_sm_evt_setcb_payload_t *setcbs = 616 (qcamera_sm_evt_setcb_payload_t *)payload; 617 rc = m_parent->setCallBacks(setcbs->notify_cb, 618 setcbs->data_cb, 619 setcbs->data_cb_timestamp, 620 setcbs->get_memory, 621 setcbs->user); 622 result.status = rc; 623 result.request_api = evt; 624 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 625 m_parent->signalAPIResult(&result); 626 } 627 break; 628 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 629 { 630 rc = m_parent->enableMsgType(int32_t(payload)); 631 result.status = rc; 632 result.request_api = evt; 633 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 634 m_parent->signalAPIResult(&result); 635 } 636 break; 637 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 638 { 639 rc = m_parent->disableMsgType(int32_t(payload)); 640 result.status = rc; 641 result.request_api = evt; 642 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 643 m_parent->signalAPIResult(&result); 644 } 645 break; 646 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 647 { 648 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 649 result.status = rc; 650 result.request_api = evt; 651 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 652 result.enabled = enabled; 653 m_parent->signalAPIResult(&result); 654 } 655 break; 656 case QCAMERA_SM_EVT_SET_PARAMS: 657 { 658 bool needRestart = false; 659 rc = m_parent->updateParameters((char*)payload, needRestart); 660 if (rc == NO_ERROR) { 661 if (needRestart) { 662 // need restart preview for parameters to take effect 663 m_parent->unpreparePreview(); 664 // commit parameter changes to server 665 m_parent->commitParameterChanges(); 666 // prepare preview again 667 rc = m_parent->preparePreview(); 668 if (rc != NO_ERROR) { 669 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 670 } 671 } else { 672 rc = m_parent->commitParameterChanges(); 673 } 674 } 675 676 result.status = rc; 677 result.request_api = evt; 678 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 679 m_parent->signalAPIResult(&result); 680 } 681 break; 682 case QCAMERA_SM_EVT_GET_PARAMS: 683 { 684 result.params = m_parent->getParameters(); 685 rc = NO_ERROR; 686 result.status = rc; 687 result.request_api = evt; 688 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 689 m_parent->signalAPIResult(&result); 690 } 691 break; 692 case QCAMERA_SM_EVT_PUT_PARAMS: 693 { 694 rc = m_parent->putParameters((char*)payload); 695 result.status = rc; 696 result.request_api = evt; 697 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 698 m_parent->signalAPIResult(&result); 699 } 700 break; 701 case QCAMERA_SM_EVT_START_PREVIEW: 702 { 703 // no ops here 704 rc = NO_ERROR; 705 result.status = rc; 706 result.request_api = evt; 707 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 708 m_parent->signalAPIResult(&result); 709 } 710 break; 711 case QCAMERA_SM_EVT_STOP_PREVIEW: 712 { 713 m_parent->unpreparePreview(); 714 rc = 0; 715 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 716 result.status = rc; 717 result.request_api = evt; 718 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 719 m_parent->signalAPIResult(&result); 720 } 721 break; 722 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 723 { 724 rc = NO_ERROR; 725 result.status = rc; 726 result.request_api = evt; 727 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 728 result.enabled = 1; 729 m_parent->signalAPIResult(&result); 730 } 731 break; 732 case QCAMERA_SM_EVT_RECORDING_ENABLED: 733 { 734 rc = 0; 735 result.status = rc; 736 result.request_api = evt; 737 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 738 result.enabled = 0; 739 m_parent->signalAPIResult(&result); 740 } 741 break; 742 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 743 { 744 rc = m_parent->storeMetaDataInBuffers(int(payload)); 745 result.status = rc; 746 result.request_api = evt; 747 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 748 m_parent->signalAPIResult(&result); 749 } 750 break; 751 case QCAMERA_SM_EVT_DUMP: 752 { 753 rc = m_parent->dump((int)payload); 754 result.status = rc; 755 result.request_api = evt; 756 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 757 m_parent->signalAPIResult(&result); 758 } 759 break; 760 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 761 { 762 rc = m_parent->autoFocus(); 763 result.status = rc; 764 result.request_api = evt; 765 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 766 m_parent->signalAPIResult(&result); 767 } 768 break; 769 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 770 { 771 rc = m_parent->cancelAutoFocus(); 772 result.status = rc; 773 result.request_api = evt; 774 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 775 m_parent->signalAPIResult(&result); 776 } 777 break; 778 case QCAMERA_SM_EVT_SEND_COMMAND: 779 { 780 qcamera_sm_evt_command_payload_t *cmd_payload = 781 (qcamera_sm_evt_command_payload_t *)payload; 782 rc = m_parent->sendCommand(cmd_payload->cmd, 783 cmd_payload->arg1, 784 cmd_payload->arg2); 785 result.status = rc; 786 result.request_api = evt; 787 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 788 m_parent->signalAPIResult(&result); 789 } 790 break; 791 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 792 { 793 int32_t faceID = 0; 794 qcamera_sm_evt_reg_face_payload_t *reg_payload = 795 (qcamera_sm_evt_reg_face_payload_t *)payload; 796 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 797 reg_payload->config, 798 faceID); 799 result.status = rc; 800 result.request_api = evt; 801 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 802 result.handle = faceID; 803 m_parent->signalAPIResult(&result); 804 } 805 break; 806 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 807 case QCAMERA_SM_EVT_START_RECORDING: 808 case QCAMERA_SM_EVT_STOP_RECORDING: 809 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT: 810 case QCAMERA_SM_EVT_TAKE_PICTURE: 811 case QCAMERA_SM_EVT_CANCEL_PICTURE: 812 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 813 case QCAMERA_SM_EVT_RELEASE: 814 { 815 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 816 rc = INVALID_OPERATION; 817 result.status = rc; 818 result.request_api = evt; 819 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 820 m_parent->signalAPIResult(&result); 821 } 822 break; 823 case QCAMERA_SM_EVT_EVT_NOTIFY: 824 { 825 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 826 switch (cam_evt->server_event_type) { 827 case CAM_EVENT_TYPE_DAEMON_DIED: 828 { 829 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 830 CAMERA_ERROR_SERVER_DIED, 831 0); 832 } 833 break; 834 default: 835 ALOGE("%s: Invalid internal event %d in state(%d)", 836 __func__, cam_evt->server_event_type, m_state); 837 break; 838 } 839 } 840 break; 841 case QCAMERA_SM_EVT_EVT_INTERNAL: 842 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 843 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 844 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 845 default: 846 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 847 break; 848 } 849 850 return rc; 851 } 852 853 /*=========================================================================== 854 * FUNCTION : procEvtPreviewingState 855 * 856 * DESCRIPTION: finite state machine function to handle event in state of 857 * QCAMERA_SM_STATE_PREVIEWING. 858 * 859 * PARAMETERS : 860 * @evt : event to be processed 861 * @payload : event payload. Can be NULL if not needed. 862 * 863 * RETURN : int32_t type of status 864 * NO_ERROR -- success 865 * none-zero failure code 866 *==========================================================================*/ 867 int32_t QCameraStateMachine::procEvtPreviewingState(qcamera_sm_evt_enum_t evt, 868 void *payload) 869 { 870 int32_t rc = NO_ERROR; 871 qcamera_api_result_t result; 872 memset(&result, 0, sizeof(qcamera_api_result_t)); 873 874 switch (evt) { 875 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 876 { 877 // Error setting preview window during previewing 878 ALOGE("Cannot set preview window when preview is running"); 879 rc = INVALID_OPERATION; 880 result.status = rc; 881 result.request_api = evt; 882 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 883 m_parent->signalAPIResult(&result); 884 } 885 break; 886 case QCAMERA_SM_EVT_SET_CALLBACKS: 887 { 888 qcamera_sm_evt_setcb_payload_t *setcbs = 889 (qcamera_sm_evt_setcb_payload_t *)payload; 890 rc = m_parent->setCallBacks(setcbs->notify_cb, 891 setcbs->data_cb, 892 setcbs->data_cb_timestamp, 893 setcbs->get_memory, 894 setcbs->user); 895 result.status = rc; 896 result.request_api = evt; 897 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 898 m_parent->signalAPIResult(&result); 899 } 900 break; 901 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 902 { 903 rc = m_parent->enableMsgType(int32_t(payload)); 904 result.status = rc; 905 result.request_api = evt; 906 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 907 m_parent->signalAPIResult(&result); 908 } 909 break; 910 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 911 { 912 rc = m_parent->disableMsgType(int32_t(payload)); 913 result.status = rc; 914 result.request_api = evt; 915 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 916 m_parent->signalAPIResult(&result); 917 } 918 break; 919 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 920 { 921 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 922 result.status = rc; 923 result.request_api = evt; 924 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 925 result.enabled = enabled; 926 m_parent->signalAPIResult(&result); 927 } 928 break; 929 case QCAMERA_SM_EVT_SET_PARAMS: 930 { 931 bool needRestart = false; 932 rc = m_parent->updateParameters((char*)payload, needRestart); 933 if (rc == NO_ERROR) { 934 if (needRestart) { 935 // need restart preview for parameters to take effect 936 // stop preview 937 m_parent->stopPreview(); 938 // commit parameter changes to server 939 m_parent->commitParameterChanges(); 940 // start preview again 941 rc = m_parent->preparePreview(); 942 if (rc == NO_ERROR) { 943 rc = m_parent->startPreview(); 944 if (rc != NO_ERROR) { 945 m_parent->unpreparePreview(); 946 } 947 } 948 if (rc != NO_ERROR) { 949 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 950 } 951 } else { 952 rc = m_parent->commitParameterChanges(); 953 } 954 } 955 result.status = rc; 956 result.request_api = evt; 957 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 958 m_parent->signalAPIResult(&result); 959 } 960 break; 961 case QCAMERA_SM_EVT_GET_PARAMS: 962 { 963 result.params = m_parent->getParameters(); 964 rc = NO_ERROR; 965 result.status = rc; 966 result.request_api = evt; 967 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 968 m_parent->signalAPIResult(&result); 969 } 970 break; 971 case QCAMERA_SM_EVT_PUT_PARAMS: 972 { 973 rc = m_parent->putParameters((char*)payload); 974 result.status = rc; 975 result.request_api = evt; 976 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 977 m_parent->signalAPIResult(&result); 978 } 979 break; 980 case QCAMERA_SM_EVT_START_PREVIEW: 981 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 982 { 983 // no ops here 984 ALOGD("%s: Already in previewing, no ops here to start preview", __func__); 985 rc = NO_ERROR; 986 result.status = rc; 987 result.request_api = evt; 988 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 989 m_parent->signalAPIResult(&result); 990 } 991 break; 992 case QCAMERA_SM_EVT_STOP_PREVIEW: 993 { 994 rc = m_parent->stopPreview(); 995 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 996 result.status = rc; 997 result.request_api = evt; 998 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 999 m_parent->signalAPIResult(&result); 1000 } 1001 break; 1002 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 1003 { 1004 rc = NO_ERROR; 1005 result.status = rc; 1006 result.request_api = evt; 1007 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1008 result.enabled = 1; 1009 m_parent->signalAPIResult(&result); 1010 } 1011 break; 1012 case QCAMERA_SM_EVT_RECORDING_ENABLED: 1013 { 1014 rc = NO_ERROR; 1015 result.status = rc; 1016 result.request_api = evt; 1017 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1018 result.enabled = 0; 1019 m_parent->signalAPIResult(&result); 1020 } 1021 break; 1022 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 1023 { 1024 rc = m_parent->storeMetaDataInBuffers(int(payload)); 1025 result.status = rc; 1026 result.request_api = evt; 1027 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1028 m_parent->signalAPIResult(&result); 1029 } 1030 break; 1031 case QCAMERA_SM_EVT_DUMP: 1032 { 1033 rc = m_parent->dump((int)payload); 1034 result.status = rc; 1035 result.request_api = evt; 1036 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1037 m_parent->signalAPIResult(&result); 1038 } 1039 break; 1040 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 1041 { 1042 rc = m_parent->autoFocus(); 1043 result.status = rc; 1044 result.request_api = evt; 1045 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1046 m_parent->signalAPIResult(&result); 1047 } 1048 break; 1049 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 1050 { 1051 rc = m_parent->cancelAutoFocus(); 1052 result.status = rc; 1053 result.request_api = evt; 1054 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1055 m_parent->signalAPIResult(&result); 1056 } 1057 break; 1058 case QCAMERA_SM_EVT_START_RECORDING: 1059 { 1060 rc = m_parent->startRecording(); 1061 if (rc == NO_ERROR) { 1062 // move state to recording state 1063 m_state = QCAMERA_SM_STATE_RECORDING; 1064 } 1065 result.status = rc; 1066 result.request_api = evt; 1067 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1068 m_parent->signalAPIResult(&result); 1069 } 1070 break; 1071 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT: 1072 { 1073 rc = m_parent->prepareHardwareForSnapshot(FALSE); 1074 if (rc == NO_ERROR) { 1075 // Do not signal API result in this case. 1076 // Need to wait for snapshot done in metadta. 1077 m_state = QCAMERA_SM_STATE_PREPARE_SNAPSHOT; 1078 } else { 1079 // Do not change state in this case. 1080 ALOGE("%s: prepareHardwareForSnapshot failed %d", 1081 __func__, rc); 1082 1083 result.status = rc; 1084 result.request_api = evt; 1085 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1086 m_parent->signalAPIResult(&result); 1087 } 1088 } 1089 break; 1090 case QCAMERA_SM_EVT_TAKE_PICTURE: 1091 { 1092 if ( m_parent->mParameters.getRecordingHintValue() == false) { 1093 rc = m_parent->takePicture(); 1094 if (rc == NO_ERROR) { 1095 // move state to picture taking state 1096 if (m_parent->isZSLMode()) { 1097 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING; 1098 } else { 1099 m_state = QCAMERA_SM_STATE_PIC_TAKING; 1100 } 1101 } else { 1102 // move state to preview stopped state 1103 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 1104 } 1105 result.status = rc; 1106 result.request_api = evt; 1107 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1108 m_parent->signalAPIResult(&result); 1109 } else { 1110 rc = m_parent->takeLiveSnapshot(); 1111 if (rc == NO_ERROR ) { 1112 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING; 1113 result.status = rc; 1114 result.request_api = evt; 1115 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1116 m_parent->signalAPIResult(&result); 1117 } 1118 } 1119 } 1120 break; 1121 case QCAMERA_SM_EVT_SEND_COMMAND: 1122 { 1123 qcamera_sm_evt_command_payload_t *cmd_payload = 1124 (qcamera_sm_evt_command_payload_t *)payload; 1125 rc = m_parent->sendCommand(cmd_payload->cmd, 1126 cmd_payload->arg1, 1127 cmd_payload->arg2); 1128 result.status = rc; 1129 result.request_api = evt; 1130 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1131 m_parent->signalAPIResult(&result); 1132 } 1133 break; 1134 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 1135 { 1136 int32_t faceID = 0; 1137 qcamera_sm_evt_reg_face_payload_t *reg_payload = 1138 (qcamera_sm_evt_reg_face_payload_t *)payload; 1139 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 1140 reg_payload->config, 1141 faceID); 1142 result.status = rc; 1143 result.request_api = evt; 1144 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 1145 result.handle = faceID; 1146 m_parent->signalAPIResult(&result); 1147 } 1148 break; 1149 case QCAMERA_SM_EVT_CANCEL_PICTURE: 1150 case QCAMERA_SM_EVT_STOP_RECORDING: 1151 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 1152 case QCAMERA_SM_EVT_RELEASE: 1153 { 1154 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1155 rc = INVALID_OPERATION; 1156 result.status = rc; 1157 result.request_api = evt; 1158 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1159 m_parent->signalAPIResult(&result); 1160 } 1161 break; 1162 case QCAMERA_SM_EVT_EVT_INTERNAL: 1163 { 1164 qcamera_sm_internal_evt_payload_t *internal_evt = 1165 (qcamera_sm_internal_evt_payload_t *)payload; 1166 switch (internal_evt->evt_type) { 1167 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE: 1168 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data); 1169 break; 1170 default: 1171 ALOGE("%s: Invalid internal event %d in state(%d)", 1172 __func__, internal_evt->evt_type, m_state); 1173 break; 1174 } 1175 } 1176 break; 1177 case QCAMERA_SM_EVT_EVT_NOTIFY: 1178 { 1179 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 1180 switch (cam_evt->server_event_type) { 1181 case CAM_EVENT_TYPE_DAEMON_DIED: 1182 { 1183 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 1184 CAMERA_ERROR_SERVER_DIED, 1185 0); 1186 } 1187 break; 1188 default: 1189 ALOGD("%s: no handling for server evt (%d) at this state", 1190 __func__, cam_evt->server_event_type); 1191 break; 1192 } 1193 } 1194 break; 1195 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 1196 { 1197 rc = m_parent->updateThermalLevel( 1198 *(qcamera_thermal_level_enum_t *)&payload); 1199 } 1200 break; 1201 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 1202 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 1203 default: 1204 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1205 break; 1206 } 1207 1208 return rc; 1209 } 1210 1211 /*=========================================================================== 1212 * FUNCTION : procEvtPrepareSnapshotState 1213 * 1214 * DESCRIPTION: finite state machine function to handle event in state of 1215 * QCAMERA_SM_STATE_PREPARE_SNAPSHOT. 1216 * 1217 * PARAMETERS : 1218 * @evt : event to be processed 1219 * @payload : event payload. Can be NULL if not needed. 1220 * 1221 * RETURN : int32_t type of status 1222 * NO_ERROR -- success 1223 * none-zero failure code 1224 *==========================================================================*/ 1225 int32_t QCameraStateMachine::procEvtPrepareSnapshotState(qcamera_sm_evt_enum_t evt, 1226 void *payload) 1227 { 1228 int32_t rc = NO_ERROR; 1229 qcamera_api_result_t result; 1230 memset(&result, 0, sizeof(qcamera_api_result_t)); 1231 1232 switch (evt) { 1233 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 1234 case QCAMERA_SM_EVT_SET_CALLBACKS: 1235 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 1236 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 1237 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 1238 case QCAMERA_SM_EVT_SET_PARAMS: 1239 case QCAMERA_SM_EVT_GET_PARAMS: 1240 case QCAMERA_SM_EVT_PUT_PARAMS: 1241 case QCAMERA_SM_EVT_START_PREVIEW: 1242 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 1243 case QCAMERA_SM_EVT_STOP_PREVIEW: 1244 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 1245 case QCAMERA_SM_EVT_RECORDING_ENABLED: 1246 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 1247 case QCAMERA_SM_EVT_DUMP: 1248 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 1249 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 1250 case QCAMERA_SM_EVT_START_RECORDING: 1251 case QCAMERA_SM_EVT_TAKE_PICTURE: 1252 case QCAMERA_SM_EVT_SEND_COMMAND: 1253 case QCAMERA_SM_EVT_CANCEL_PICTURE: 1254 case QCAMERA_SM_EVT_STOP_RECORDING: 1255 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 1256 case QCAMERA_SM_EVT_RELEASE: 1257 { 1258 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1259 rc = INVALID_OPERATION; 1260 result.status = rc; 1261 result.request_api = evt; 1262 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1263 m_parent->signalAPIResult(&result); 1264 } 1265 break; 1266 case QCAMERA_SM_EVT_EVT_INTERNAL: 1267 { 1268 qcamera_sm_internal_evt_payload_t *internal_evt = 1269 (qcamera_sm_internal_evt_payload_t *)payload; 1270 switch (internal_evt->evt_type) { 1271 case QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE: 1272 ALOGI("%s: Received QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE event", 1273 __func__); 1274 m_parent->processPrepSnapshotDoneEvent(internal_evt->prep_snapshot_state); 1275 m_state = QCAMERA_SM_STATE_PREVIEWING; 1276 1277 result.status = NO_ERROR; 1278 result.request_api = QCAMERA_SM_EVT_PREPARE_SNAPSHOT; 1279 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1280 m_parent->signalAPIResult(&result); 1281 break; 1282 default: 1283 ALOGE("%s: Invalid internal event %d in state(%d)", 1284 __func__, internal_evt->evt_type, m_state); 1285 break; 1286 } 1287 } 1288 break; 1289 case QCAMERA_SM_EVT_EVT_NOTIFY: 1290 { 1291 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 1292 switch (cam_evt->server_event_type) { 1293 case CAM_EVENT_TYPE_DAEMON_DIED: 1294 { 1295 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 1296 CAMERA_ERROR_SERVER_DIED, 1297 0); 1298 } 1299 break; 1300 default: 1301 ALOGE("%s: Invalid internal event %d in state(%d)", 1302 __func__, cam_evt->server_event_type, m_state); 1303 break; 1304 } 1305 } 1306 break; 1307 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 1308 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 1309 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 1310 default: 1311 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1312 break; 1313 } 1314 1315 return rc; 1316 } 1317 1318 /*=========================================================================== 1319 * FUNCTION : procEvtPicTakingState 1320 * 1321 * DESCRIPTION: finite state machine function to handle event in state of 1322 * QCAMERA_SM_STATE_PIC_TAKING. 1323 * 1324 * PARAMETERS : 1325 * @evt : event to be processed 1326 * @payload : event payload. Can be NULL if not needed. 1327 * 1328 * RETURN : int32_t type of status 1329 * NO_ERROR -- success 1330 * none-zero failure code 1331 *==========================================================================*/ 1332 int32_t QCameraStateMachine::procEvtPicTakingState(qcamera_sm_evt_enum_t evt, 1333 void *payload) 1334 { 1335 int32_t rc = NO_ERROR; 1336 qcamera_api_result_t result; 1337 memset(&result, 0, sizeof(qcamera_api_result_t)); 1338 1339 switch (evt) { 1340 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 1341 { 1342 // Error setting preview window during previewing 1343 ALOGE("Cannot set preview window when preview is running"); 1344 rc = INVALID_OPERATION; 1345 result.status = rc; 1346 result.request_api = evt; 1347 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1348 m_parent->signalAPIResult(&result); 1349 } 1350 break; 1351 case QCAMERA_SM_EVT_SET_CALLBACKS: 1352 { 1353 qcamera_sm_evt_setcb_payload_t *setcbs = 1354 (qcamera_sm_evt_setcb_payload_t *)payload; 1355 rc = m_parent->setCallBacks(setcbs->notify_cb, 1356 setcbs->data_cb, 1357 setcbs->data_cb_timestamp, 1358 setcbs->get_memory, 1359 setcbs->user); 1360 result.status = rc; 1361 result.request_api = evt; 1362 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1363 m_parent->signalAPIResult(&result); 1364 } 1365 break; 1366 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 1367 { 1368 rc = m_parent->enableMsgType(int32_t(payload)); 1369 result.status = rc; 1370 result.request_api = evt; 1371 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1372 m_parent->signalAPIResult(&result); 1373 } 1374 break; 1375 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 1376 { 1377 rc = m_parent->disableMsgType(int32_t(payload)); 1378 result.status = rc; 1379 result.request_api = evt; 1380 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1381 m_parent->signalAPIResult(&result); 1382 } 1383 break; 1384 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 1385 { 1386 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 1387 result.status = rc; 1388 result.request_api = evt; 1389 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1390 result.enabled = enabled; 1391 m_parent->signalAPIResult(&result); 1392 } 1393 break; 1394 case QCAMERA_SM_EVT_SET_PARAMS: 1395 { 1396 bool needRestart = false; 1397 rc = m_parent->updateParameters((char*)payload, needRestart); 1398 if (rc == NO_ERROR) { 1399 rc = m_parent->commitParameterChanges(); 1400 } 1401 result.status = rc; 1402 result.request_api = evt; 1403 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1404 m_parent->signalAPIResult(&result); 1405 } 1406 break; 1407 case QCAMERA_SM_EVT_GET_PARAMS: 1408 { 1409 result.params = m_parent->getParameters(); 1410 rc = NO_ERROR; 1411 result.status = rc; 1412 result.request_api = evt; 1413 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 1414 m_parent->signalAPIResult(&result); 1415 } 1416 break; 1417 case QCAMERA_SM_EVT_PUT_PARAMS: 1418 { 1419 rc = m_parent->putParameters((char*)payload); 1420 result.status = rc; 1421 result.request_api = evt; 1422 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1423 m_parent->signalAPIResult(&result); 1424 } 1425 break; 1426 case QCAMERA_SM_EVT_STOP_PREVIEW: 1427 { 1428 // cancel picture first 1429 rc = m_parent->cancelPicture(); 1430 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 1431 1432 result.status = rc; 1433 result.request_api = evt; 1434 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1435 m_parent->signalAPIResult(&result); 1436 } 1437 break; 1438 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 1439 { 1440 rc = NO_ERROR; 1441 result.status = rc; 1442 result.request_api = evt; 1443 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1444 result.enabled = 0; 1445 m_parent->signalAPIResult(&result); 1446 } 1447 break; 1448 case QCAMERA_SM_EVT_RECORDING_ENABLED: 1449 { 1450 rc = NO_ERROR; 1451 result.status = rc; 1452 result.request_api = evt; 1453 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1454 result.enabled = 0; 1455 m_parent->signalAPIResult(&result); 1456 } 1457 break; 1458 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 1459 { 1460 rc = m_parent->storeMetaDataInBuffers(int(payload)); 1461 result.status = rc; 1462 result.request_api = evt; 1463 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1464 m_parent->signalAPIResult(&result); 1465 } 1466 break; 1467 case QCAMERA_SM_EVT_DUMP: 1468 { 1469 rc = m_parent->dump((int)payload); 1470 result.status = rc; 1471 result.request_api = evt; 1472 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1473 m_parent->signalAPIResult(&result); 1474 } 1475 break; 1476 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 1477 { 1478 rc = m_parent->autoFocus(); 1479 result.status = rc; 1480 result.request_api = evt; 1481 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1482 m_parent->signalAPIResult(&result); 1483 } 1484 break; 1485 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 1486 { 1487 rc = m_parent->cancelAutoFocus(); 1488 result.status = rc; 1489 result.request_api = evt; 1490 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1491 m_parent->signalAPIResult(&result); 1492 } 1493 break; 1494 case QCAMERA_SM_EVT_SEND_COMMAND: 1495 { 1496 qcamera_sm_evt_command_payload_t *cmd_payload = 1497 (qcamera_sm_evt_command_payload_t *)payload; 1498 rc = m_parent->sendCommand(cmd_payload->cmd, 1499 cmd_payload->arg1, 1500 cmd_payload->arg2); 1501 result.status = rc; 1502 result.request_api = evt; 1503 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1504 m_parent->signalAPIResult(&result); 1505 } 1506 break; 1507 case QCAMERA_SM_EVT_CANCEL_PICTURE: 1508 { 1509 rc = m_parent->cancelPicture(); 1510 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 1511 result.status = rc; 1512 result.request_api = evt; 1513 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1514 m_parent->signalAPIResult(&result); 1515 } 1516 break; 1517 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 1518 { 1519 int32_t faceID = 0; 1520 qcamera_sm_evt_reg_face_payload_t *reg_payload = 1521 (qcamera_sm_evt_reg_face_payload_t *)payload; 1522 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 1523 reg_payload->config, 1524 faceID); 1525 result.status = rc; 1526 result.request_api = evt; 1527 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 1528 result.handle = faceID; 1529 m_parent->signalAPIResult(&result); 1530 } 1531 break; 1532 case QCAMERA_SM_EVT_TAKE_PICTURE: 1533 case QCAMERA_SM_EVT_START_RECORDING: 1534 case QCAMERA_SM_EVT_STOP_RECORDING: 1535 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 1536 case QCAMERA_SM_EVT_START_PREVIEW: 1537 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 1538 case QCAMERA_SM_EVT_RELEASE: 1539 { 1540 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1541 rc = INVALID_OPERATION; 1542 result.status = rc; 1543 result.request_api = evt; 1544 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1545 m_parent->signalAPIResult(&result); 1546 } 1547 break; 1548 case QCAMERA_SM_EVT_EVT_INTERNAL: 1549 { 1550 qcamera_sm_internal_evt_payload_t *internal_evt = 1551 (qcamera_sm_internal_evt_payload_t *)payload; 1552 switch (internal_evt->evt_type) { 1553 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE: 1554 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data); 1555 break; 1556 default: 1557 break; 1558 } 1559 } 1560 break; 1561 case QCAMERA_SM_EVT_EVT_NOTIFY: 1562 { 1563 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 1564 switch (cam_evt->server_event_type) { 1565 case CAM_EVENT_TYPE_DAEMON_DIED: 1566 { 1567 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 1568 CAMERA_ERROR_SERVER_DIED, 1569 0); 1570 } 1571 break; 1572 default: 1573 ALOGD("%s: no handling for server evt (%d) at this state", 1574 __func__, cam_evt->server_event_type); 1575 break; 1576 } 1577 } 1578 break; 1579 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 1580 { 1581 qcamera_jpeg_evt_payload_t *jpeg_job = 1582 (qcamera_jpeg_evt_payload_t *)payload; 1583 rc = m_parent->processJpegNotify(jpeg_job); 1584 } 1585 break; 1586 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 1587 { 1588 rc = m_parent->cancelPicture(); 1589 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 1590 result.status = rc; 1591 result.request_api = evt; 1592 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1593 m_parent->signalEvtResult(&result); 1594 } 1595 break; 1596 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 1597 { 1598 rc = m_parent->updateThermalLevel( 1599 *(qcamera_thermal_level_enum_t *)&payload); 1600 } 1601 break; 1602 default: 1603 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1604 break; 1605 } 1606 1607 return rc; 1608 } 1609 1610 /*=========================================================================== 1611 * FUNCTION : procEvtRecordingState 1612 * 1613 * DESCRIPTION: finite state machine function to handle event in state of 1614 * QCAMERA_SM_STATE_RECORDING. 1615 * 1616 * PARAMETERS : 1617 * @evt : event to be processed 1618 * @payload : event payload. Can be NULL if not needed. 1619 * 1620 * RETURN : int32_t type of status 1621 * NO_ERROR -- success 1622 * none-zero failure code 1623 *==========================================================================*/ 1624 int32_t QCameraStateMachine::procEvtRecordingState(qcamera_sm_evt_enum_t evt, 1625 void *payload) 1626 { 1627 int32_t rc = NO_ERROR; 1628 qcamera_api_result_t result; 1629 memset(&result, 0, sizeof(qcamera_api_result_t)); 1630 1631 switch (evt) { 1632 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 1633 { 1634 // Error setting preview window during previewing 1635 ALOGE("Cannot set preview window when preview is running"); 1636 rc = INVALID_OPERATION; 1637 result.status = rc; 1638 result.request_api = evt; 1639 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1640 m_parent->signalAPIResult(&result); 1641 } 1642 break; 1643 case QCAMERA_SM_EVT_SET_CALLBACKS: 1644 { 1645 qcamera_sm_evt_setcb_payload_t *setcbs = 1646 (qcamera_sm_evt_setcb_payload_t *)payload; 1647 rc = m_parent->setCallBacks(setcbs->notify_cb, 1648 setcbs->data_cb, 1649 setcbs->data_cb_timestamp, 1650 setcbs->get_memory, 1651 setcbs->user); 1652 result.status = rc; 1653 result.request_api = evt; 1654 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1655 m_parent->signalAPIResult(&result); 1656 } 1657 break; 1658 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 1659 { 1660 rc = m_parent->enableMsgType(int32_t(payload)); 1661 result.status = rc; 1662 result.request_api = evt; 1663 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1664 m_parent->signalAPIResult(&result); 1665 } 1666 break; 1667 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 1668 { 1669 rc = m_parent->disableMsgType(int32_t(payload)); 1670 result.status = rc; 1671 result.request_api = evt; 1672 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1673 m_parent->signalAPIResult(&result); 1674 } 1675 break; 1676 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 1677 { 1678 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 1679 result.status = rc; 1680 result.request_api = evt; 1681 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1682 result.enabled = enabled; 1683 m_parent->signalAPIResult(&result); 1684 } 1685 break; 1686 case QCAMERA_SM_EVT_SET_PARAMS: 1687 { 1688 bool needRestart = false; 1689 rc = m_parent->updateParameters((char*)payload, needRestart); 1690 if (rc == NO_ERROR) { 1691 if (needRestart) { 1692 // cannot set parameters that requires restart during recording 1693 ALOGE("%s: Cannot set parameters that requires restart during recording", 1694 __func__); 1695 rc = BAD_VALUE; 1696 } else { 1697 rc = m_parent->commitParameterChanges(); 1698 } 1699 } 1700 result.status = rc; 1701 result.request_api = evt; 1702 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1703 m_parent->signalAPIResult(&result); 1704 } 1705 break; 1706 case QCAMERA_SM_EVT_GET_PARAMS: 1707 { 1708 result.params = m_parent->getParameters(); 1709 rc = NO_ERROR; 1710 result.status = rc; 1711 result.request_api = evt; 1712 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 1713 m_parent->signalAPIResult(&result); 1714 } 1715 break; 1716 case QCAMERA_SM_EVT_PUT_PARAMS: 1717 { 1718 rc = m_parent->putParameters((char*)payload); 1719 result.status = rc; 1720 result.request_api = evt; 1721 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1722 m_parent->signalAPIResult(&result); 1723 } 1724 break; 1725 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 1726 { 1727 rc = NO_ERROR; 1728 result.status = rc; 1729 result.request_api = evt; 1730 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1731 result.enabled = 0; 1732 m_parent->signalAPIResult(&result); 1733 } 1734 break; 1735 case QCAMERA_SM_EVT_RECORDING_ENABLED: 1736 { 1737 rc = NO_ERROR; 1738 result.status = rc; 1739 result.request_api = evt; 1740 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1741 result.enabled = 1; 1742 m_parent->signalAPIResult(&result); 1743 } 1744 break; 1745 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 1746 { 1747 rc = m_parent->storeMetaDataInBuffers(int(payload)); 1748 result.status = rc; 1749 result.request_api = evt; 1750 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1751 m_parent->signalAPIResult(&result); 1752 } 1753 break; 1754 case QCAMERA_SM_EVT_DUMP: 1755 { 1756 rc = m_parent->dump((int)payload); 1757 result.status = rc; 1758 result.request_api = evt; 1759 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1760 m_parent->signalAPIResult(&result); 1761 } 1762 break; 1763 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 1764 { 1765 rc = m_parent->autoFocus(); 1766 result.status = rc; 1767 result.request_api = evt; 1768 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1769 m_parent->signalAPIResult(&result); 1770 } 1771 break; 1772 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 1773 { 1774 rc = m_parent->cancelAutoFocus(); 1775 result.status = rc; 1776 result.request_api = evt; 1777 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1778 m_parent->signalAPIResult(&result); 1779 } 1780 break; 1781 case QCAMERA_SM_EVT_SEND_COMMAND: 1782 { 1783 qcamera_sm_evt_command_payload_t *cmd_payload = 1784 (qcamera_sm_evt_command_payload_t *)payload; 1785 rc = m_parent->sendCommand(cmd_payload->cmd, 1786 cmd_payload->arg1, 1787 cmd_payload->arg2); 1788 result.status = rc; 1789 result.request_api = evt; 1790 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1791 m_parent->signalAPIResult(&result); 1792 } 1793 break; 1794 case QCAMERA_SM_EVT_TAKE_PICTURE: 1795 { 1796 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING; 1797 rc = m_parent->takeLiveSnapshot(); 1798 if (rc != NO_ERROR) { 1799 m_state = QCAMERA_SM_STATE_RECORDING; 1800 } 1801 result.status = rc; 1802 result.request_api = evt; 1803 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1804 m_parent->signalAPIResult(&result); 1805 } 1806 break; 1807 case QCAMERA_SM_EVT_START_RECORDING: 1808 { 1809 // no ops here 1810 ALOGD("%s: already in recording state, no ops for start_recording", __func__); 1811 rc = 0; 1812 result.status = rc; 1813 result.request_api = evt; 1814 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1815 m_parent->signalAPIResult(&result); 1816 } 1817 break; 1818 case QCAMERA_SM_EVT_STOP_RECORDING: 1819 { 1820 rc = m_parent->stopRecording(); 1821 m_state = QCAMERA_SM_STATE_PREVIEWING; 1822 result.status = rc; 1823 result.request_api = evt; 1824 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1825 m_parent->signalAPIResult(&result); 1826 } 1827 break; 1828 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 1829 { 1830 rc = m_parent->releaseRecordingFrame((const void *)payload); 1831 result.status = rc; 1832 result.request_api = evt; 1833 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1834 m_parent->signalAPIResult(&result); 1835 } 1836 break; 1837 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 1838 { 1839 int32_t faceID = 0; 1840 qcamera_sm_evt_reg_face_payload_t *reg_payload = 1841 (qcamera_sm_evt_reg_face_payload_t *)payload; 1842 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 1843 reg_payload->config, 1844 faceID); 1845 result.status = rc; 1846 result.request_api = evt; 1847 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 1848 result.handle = faceID; 1849 m_parent->signalAPIResult(&result); 1850 } 1851 break; 1852 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT: 1853 { 1854 //In Video snapshot, prepare hardware is a no-op. 1855 result.status = NO_ERROR; 1856 result.request_api = evt; 1857 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1858 m_parent->signalAPIResult(&result); 1859 } 1860 break; 1861 case QCAMERA_SM_EVT_CANCEL_PICTURE: 1862 case QCAMERA_SM_EVT_START_PREVIEW: 1863 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 1864 case QCAMERA_SM_EVT_STOP_PREVIEW: 1865 case QCAMERA_SM_EVT_RELEASE: 1866 { 1867 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1868 rc = INVALID_OPERATION; 1869 result.status = rc; 1870 result.request_api = evt; 1871 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1872 m_parent->signalAPIResult(&result); 1873 } 1874 break; 1875 case QCAMERA_SM_EVT_EVT_INTERNAL: 1876 { 1877 qcamera_sm_internal_evt_payload_t *internal_evt = 1878 (qcamera_sm_internal_evt_payload_t *)payload; 1879 switch (internal_evt->evt_type) { 1880 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE: 1881 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data); 1882 break; 1883 default: 1884 break; 1885 } 1886 } 1887 break; 1888 case QCAMERA_SM_EVT_EVT_NOTIFY: 1889 { 1890 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 1891 switch (cam_evt->server_event_type) { 1892 case CAM_EVENT_TYPE_DAEMON_DIED: 1893 { 1894 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 1895 CAMERA_ERROR_SERVER_DIED, 1896 0); 1897 } 1898 break; 1899 default: 1900 ALOGE("%s: Invalid internal event %d in state(%d)", 1901 __func__, cam_evt->server_event_type, m_state); 1902 break; 1903 } 1904 } 1905 break; 1906 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 1907 { 1908 rc = m_parent->updateThermalLevel( 1909 *(qcamera_thermal_level_enum_t *)&payload); 1910 } 1911 break; 1912 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 1913 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 1914 default: 1915 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 1916 break; 1917 } 1918 1919 return rc; 1920 } 1921 1922 /*=========================================================================== 1923 * FUNCTION : procEvtVideoPicTakingState 1924 * 1925 * DESCRIPTION: finite state machine function to handle event in state of 1926 * QCAMERA_SM_STATE_VIDEO_PIC_TAKING. 1927 * 1928 * PARAMETERS : 1929 * @evt : event to be processed 1930 * @payload : event payload. Can be NULL if not needed. 1931 * 1932 * RETURN : int32_t type of status 1933 * NO_ERROR -- success 1934 * none-zero failure code 1935 *==========================================================================*/ 1936 int32_t QCameraStateMachine::procEvtVideoPicTakingState(qcamera_sm_evt_enum_t evt, 1937 void *payload) 1938 { 1939 int32_t rc = NO_ERROR; 1940 qcamera_api_result_t result; 1941 memset(&result, 0, sizeof(qcamera_api_result_t)); 1942 1943 switch (evt) { 1944 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 1945 { 1946 // Error setting preview window during previewing 1947 ALOGE("Cannot set preview window when preview is running"); 1948 rc = INVALID_OPERATION; 1949 result.status = rc; 1950 result.request_api = evt; 1951 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1952 m_parent->signalAPIResult(&result); 1953 } 1954 break; 1955 case QCAMERA_SM_EVT_SET_CALLBACKS: 1956 { 1957 qcamera_sm_evt_setcb_payload_t *setcbs = 1958 (qcamera_sm_evt_setcb_payload_t *)payload; 1959 rc = m_parent->setCallBacks(setcbs->notify_cb, 1960 setcbs->data_cb, 1961 setcbs->data_cb_timestamp, 1962 setcbs->get_memory, 1963 setcbs->user); 1964 result.status = rc; 1965 result.request_api = evt; 1966 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1967 m_parent->signalAPIResult(&result); 1968 } 1969 break; 1970 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 1971 { 1972 rc = m_parent->enableMsgType(int32_t(payload)); 1973 result.status = rc; 1974 result.request_api = evt; 1975 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1976 m_parent->signalAPIResult(&result); 1977 } 1978 break; 1979 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 1980 { 1981 rc = m_parent->disableMsgType(int32_t(payload)); 1982 result.status = rc; 1983 result.request_api = evt; 1984 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 1985 m_parent->signalAPIResult(&result); 1986 } 1987 break; 1988 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 1989 { 1990 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 1991 result.status = rc; 1992 result.request_api = evt; 1993 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 1994 result.enabled = enabled; 1995 m_parent->signalAPIResult(&result); 1996 } 1997 break; 1998 case QCAMERA_SM_EVT_SET_PARAMS: 1999 { 2000 bool needRestart = false; 2001 rc = m_parent->updateParameters((char*)payload, needRestart); 2002 if (rc == NO_ERROR) { 2003 if (needRestart) { 2004 // cannot set parameters that requires restart during recording 2005 ALOGE("%s: Cannot set parameters that requires restart during recording", 2006 __func__); 2007 rc = BAD_VALUE; 2008 } else { 2009 rc = m_parent->commitParameterChanges(); 2010 } 2011 } 2012 result.status = rc; 2013 result.request_api = evt; 2014 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2015 m_parent->signalAPIResult(&result); 2016 } 2017 break; 2018 case QCAMERA_SM_EVT_GET_PARAMS: 2019 { 2020 result.params = m_parent->getParameters(); 2021 rc = NO_ERROR; 2022 result.status = rc; 2023 result.request_api = evt; 2024 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 2025 m_parent->signalAPIResult(&result); 2026 } 2027 break; 2028 case QCAMERA_SM_EVT_PUT_PARAMS: 2029 { 2030 rc = m_parent->putParameters((char*)payload); 2031 result.status = rc; 2032 result.request_api = evt; 2033 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2034 m_parent->signalAPIResult(&result); 2035 } 2036 break; 2037 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 2038 { 2039 rc = NO_ERROR; 2040 result.status = rc; 2041 result.request_api = evt; 2042 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 2043 result.enabled = 1; 2044 m_parent->signalAPIResult(&result); 2045 } 2046 break; 2047 case QCAMERA_SM_EVT_RECORDING_ENABLED: 2048 { 2049 rc = NO_ERROR; 2050 result.status = rc; 2051 result.request_api = evt; 2052 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 2053 result.enabled = 1; 2054 m_parent->signalAPIResult(&result); 2055 } 2056 break; 2057 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 2058 { 2059 rc = m_parent->storeMetaDataInBuffers(int(payload)); 2060 result.status = rc; 2061 result.request_api = evt; 2062 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2063 m_parent->signalAPIResult(&result); 2064 } 2065 break; 2066 case QCAMERA_SM_EVT_DUMP: 2067 { 2068 rc = m_parent->dump((int)payload); 2069 result.status = rc; 2070 result.request_api = evt; 2071 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2072 m_parent->signalAPIResult(&result); 2073 } 2074 break; 2075 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 2076 { 2077 rc = m_parent->autoFocus(); 2078 result.status = rc; 2079 result.request_api = evt; 2080 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2081 m_parent->signalAPIResult(&result); 2082 } 2083 break; 2084 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 2085 { 2086 rc = m_parent->cancelAutoFocus(); 2087 result.status = rc; 2088 result.request_api = evt; 2089 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2090 m_parent->signalAPIResult(&result); 2091 } 2092 break; 2093 case QCAMERA_SM_EVT_SEND_COMMAND: 2094 { 2095 qcamera_sm_evt_command_payload_t *cmd_payload = 2096 (qcamera_sm_evt_command_payload_t *)payload; 2097 rc = m_parent->sendCommand(cmd_payload->cmd, 2098 cmd_payload->arg1, 2099 cmd_payload->arg2); 2100 result.status = rc; 2101 result.request_api = evt; 2102 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2103 m_parent->signalAPIResult(&result); 2104 } 2105 break; 2106 case QCAMERA_SM_EVT_STOP_RECORDING: 2107 { 2108 rc = m_parent->stopRecording(); 2109 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING; 2110 result.status = rc; 2111 result.request_api = evt; 2112 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2113 m_parent->signalAPIResult(&result); 2114 } 2115 break; 2116 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 2117 { 2118 rc = m_parent->releaseRecordingFrame((const void *)payload); 2119 result.status = rc; 2120 result.request_api = evt; 2121 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2122 m_parent->signalAPIResult(&result); 2123 } 2124 break; 2125 case QCAMERA_SM_EVT_CANCEL_PICTURE: 2126 { 2127 rc = m_parent->cancelLiveSnapshot(); 2128 m_state = QCAMERA_SM_STATE_RECORDING; 2129 result.status = rc; 2130 result.request_api = evt; 2131 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2132 m_parent->signalAPIResult(&result); 2133 } 2134 break; 2135 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 2136 { 2137 int32_t faceID = 0; 2138 qcamera_sm_evt_reg_face_payload_t *reg_payload = 2139 (qcamera_sm_evt_reg_face_payload_t *)payload; 2140 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 2141 reg_payload->config, 2142 faceID); 2143 result.status = rc; 2144 result.request_api = evt; 2145 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 2146 result.handle = faceID; 2147 m_parent->signalAPIResult(&result); 2148 } 2149 break; 2150 case QCAMERA_SM_EVT_START_RECORDING: 2151 case QCAMERA_SM_EVT_START_PREVIEW: 2152 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 2153 case QCAMERA_SM_EVT_STOP_PREVIEW: 2154 case QCAMERA_SM_EVT_TAKE_PICTURE: 2155 case QCAMERA_SM_EVT_RELEASE: 2156 { 2157 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 2158 rc = INVALID_OPERATION; 2159 result.status = rc; 2160 result.request_api = evt; 2161 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2162 m_parent->signalAPIResult(&result); 2163 } 2164 break; 2165 case QCAMERA_SM_EVT_EVT_INTERNAL: 2166 { 2167 qcamera_sm_internal_evt_payload_t *internal_evt = 2168 (qcamera_sm_internal_evt_payload_t *)payload; 2169 switch (internal_evt->evt_type) { 2170 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE: 2171 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data); 2172 break; 2173 default: 2174 break; 2175 } 2176 } 2177 break; 2178 case QCAMERA_SM_EVT_EVT_NOTIFY: 2179 { 2180 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 2181 switch (cam_evt->server_event_type) { 2182 case CAM_EVENT_TYPE_DAEMON_DIED: 2183 { 2184 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 2185 CAMERA_ERROR_SERVER_DIED, 2186 0); 2187 } 2188 break; 2189 default: 2190 ALOGE("%s: Invalid internal event %d in state(%d)", 2191 __func__, cam_evt->server_event_type, m_state); 2192 break; 2193 } 2194 } 2195 break; 2196 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 2197 { 2198 qcamera_jpeg_evt_payload_t *jpeg_job = 2199 (qcamera_jpeg_evt_payload_t *)payload; 2200 rc = m_parent->processJpegNotify(jpeg_job); 2201 } 2202 break; 2203 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 2204 { 2205 rc = m_parent->cancelLiveSnapshot(); 2206 m_state = QCAMERA_SM_STATE_RECORDING; 2207 result.status = rc; 2208 result.request_api = evt; 2209 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2210 m_parent->signalEvtResult(&result); 2211 } 2212 break; 2213 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 2214 { 2215 rc = m_parent->updateThermalLevel( 2216 *(qcamera_thermal_level_enum_t *)&payload); 2217 } 2218 break; 2219 default: 2220 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 2221 break; 2222 } 2223 2224 return rc; 2225 } 2226 2227 /*=========================================================================== 2228 * FUNCTION : procEvtPreviewPicTakingState 2229 * 2230 * DESCRIPTION: finite state machine function to handle event in state of 2231 * QCAMERA_SM_STATE_PREVIEW_PIC_TAKING. 2232 * 2233 * PARAMETERS : 2234 * @evt : event to be processed 2235 * @payload : event payload. Can be NULL if not needed. 2236 * 2237 * RETURN : int32_t type of status 2238 * NO_ERROR -- success 2239 * none-zero failure code 2240 *==========================================================================*/ 2241 int32_t QCameraStateMachine::procEvtPreviewPicTakingState(qcamera_sm_evt_enum_t evt, 2242 void *payload) 2243 { 2244 int32_t rc = NO_ERROR; 2245 qcamera_api_result_t result; 2246 memset(&result, 0, sizeof(qcamera_api_result_t)); 2247 2248 switch (evt) { 2249 case QCAMERA_SM_EVT_SET_CALLBACKS: 2250 { 2251 qcamera_sm_evt_setcb_payload_t *setcbs = 2252 (qcamera_sm_evt_setcb_payload_t *)payload; 2253 rc = m_parent->setCallBacks(setcbs->notify_cb, 2254 setcbs->data_cb, 2255 setcbs->data_cb_timestamp, 2256 setcbs->get_memory, 2257 setcbs->user); 2258 result.status = rc; 2259 result.request_api = evt; 2260 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2261 m_parent->signalAPIResult(&result); 2262 } 2263 break; 2264 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE: 2265 { 2266 rc = m_parent->enableMsgType(int32_t(payload)); 2267 result.status = rc; 2268 result.request_api = evt; 2269 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2270 m_parent->signalAPIResult(&result); 2271 } 2272 break; 2273 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE: 2274 { 2275 rc = m_parent->disableMsgType(int32_t(payload)); 2276 result.status = rc; 2277 result.request_api = evt; 2278 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2279 m_parent->signalAPIResult(&result); 2280 } 2281 break; 2282 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED: 2283 { 2284 int enabled = m_parent->msgTypeEnabled(int32_t(payload)); 2285 result.status = rc; 2286 result.request_api = evt; 2287 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 2288 result.enabled = enabled; 2289 m_parent->signalAPIResult(&result); 2290 } 2291 break; 2292 case QCAMERA_SM_EVT_SET_PARAMS: 2293 { 2294 bool needRestart = false; 2295 rc = m_parent->updateParameters((char*)payload, needRestart); 2296 if (rc == NO_ERROR) { 2297 if (needRestart) { 2298 // need restart preview for parameters to take effect 2299 // stop preview 2300 m_parent->stopPreview(); 2301 // commit parameter changes to server 2302 m_parent->commitParameterChanges(); 2303 // start preview again 2304 rc = m_parent->preparePreview(); 2305 if (rc == NO_ERROR) { 2306 rc = m_parent->startPreview(); 2307 if (rc != NO_ERROR) { 2308 m_parent->unpreparePreview(); 2309 } 2310 } 2311 if (rc != NO_ERROR) { 2312 m_state = QCAMERA_SM_STATE_PIC_TAKING; 2313 } 2314 } else { 2315 rc = m_parent->commitParameterChanges(); 2316 } 2317 } 2318 result.status = rc; 2319 result.request_api = evt; 2320 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2321 m_parent->signalAPIResult(&result); 2322 } 2323 break; 2324 case QCAMERA_SM_EVT_GET_PARAMS: 2325 { 2326 result.params = m_parent->getParameters(); 2327 rc = NO_ERROR; 2328 result.status = rc; 2329 result.request_api = evt; 2330 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS; 2331 m_parent->signalAPIResult(&result); 2332 } 2333 break; 2334 case QCAMERA_SM_EVT_PUT_PARAMS: 2335 { 2336 rc = m_parent->putParameters((char*)payload); 2337 result.status = rc; 2338 result.request_api = evt; 2339 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2340 m_parent->signalAPIResult(&result); 2341 } 2342 break; 2343 case QCAMERA_SM_EVT_PREVIEW_ENABLED: 2344 { 2345 rc = NO_ERROR; 2346 result.status = rc; 2347 result.request_api = evt; 2348 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 2349 result.enabled = 1; 2350 m_parent->signalAPIResult(&result); 2351 } 2352 break; 2353 case QCAMERA_SM_EVT_RECORDING_ENABLED: 2354 { 2355 rc = NO_ERROR; 2356 result.status = rc; 2357 result.request_api = evt; 2358 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG; 2359 result.enabled = 0; 2360 m_parent->signalAPIResult(&result); 2361 } 2362 break; 2363 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS: 2364 { 2365 rc = m_parent->storeMetaDataInBuffers(int(payload)); 2366 result.status = rc; 2367 result.request_api = evt; 2368 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2369 m_parent->signalAPIResult(&result); 2370 } 2371 break; 2372 case QCAMERA_SM_EVT_DUMP: 2373 { 2374 rc = m_parent->dump((int)payload); 2375 result.status = rc; 2376 result.request_api = evt; 2377 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2378 m_parent->signalAPIResult(&result); 2379 } 2380 break; 2381 case QCAMERA_SM_EVT_START_AUTO_FOCUS: 2382 { 2383 rc = m_parent->autoFocus(); 2384 result.status = rc; 2385 result.request_api = evt; 2386 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2387 m_parent->signalAPIResult(&result); 2388 } 2389 break; 2390 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS: 2391 { 2392 rc = m_parent->cancelAutoFocus(); 2393 result.status = rc; 2394 result.request_api = evt; 2395 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2396 m_parent->signalAPIResult(&result); 2397 } 2398 break; 2399 case QCAMERA_SM_EVT_SEND_COMMAND: 2400 { 2401 qcamera_sm_evt_command_payload_t *cmd_payload = 2402 (qcamera_sm_evt_command_payload_t *)payload; 2403 rc = m_parent->sendCommand(cmd_payload->cmd, 2404 cmd_payload->arg1, 2405 cmd_payload->arg2); 2406 result.status = rc; 2407 result.request_api = evt; 2408 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2409 m_parent->signalAPIResult(&result); 2410 } 2411 break; 2412 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME: 2413 { 2414 rc = m_parent->releaseRecordingFrame((const void *)payload); 2415 result.status = rc; 2416 result.request_api = evt; 2417 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2418 m_parent->signalAPIResult(&result); 2419 } 2420 break; 2421 case QCAMERA_SM_EVT_CANCEL_PICTURE: 2422 { 2423 if (m_parent->isZSLMode()) { 2424 rc = m_parent->cancelPicture(); 2425 } else { 2426 rc = m_parent->cancelLiveSnapshot(); 2427 } 2428 m_state = QCAMERA_SM_STATE_PREVIEWING; 2429 result.status = rc; 2430 result.request_api = evt; 2431 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2432 m_parent->signalAPIResult(&result); 2433 } 2434 break; 2435 case QCAMERA_SM_EVT_STOP_PREVIEW: 2436 { 2437 if (m_parent->isZSLMode()) { 2438 // cancel picture first 2439 rc = m_parent->cancelPicture(); 2440 m_parent->stopChannel(QCAMERA_CH_TYPE_ZSL); 2441 } else { 2442 rc = m_parent->cancelLiveSnapshot(); 2443 m_parent->stopChannel(QCAMERA_CH_TYPE_PREVIEW); 2444 } 2445 // unprepare preview 2446 m_parent->unpreparePreview(); 2447 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED; 2448 result.status = rc; 2449 result.request_api = evt; 2450 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2451 m_parent->signalAPIResult(&result); 2452 } 2453 break; 2454 case QCAMERA_SM_EVT_START_RECORDING: 2455 { 2456 rc = m_parent->stopRecording(); 2457 if (rc == NO_ERROR) { 2458 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING; 2459 } 2460 result.status = rc; 2461 result.request_api = evt; 2462 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2463 m_parent->signalAPIResult(&result); 2464 } 2465 break; 2466 case QCAMERA_SM_EVT_REG_FACE_IMAGE: 2467 { 2468 int32_t faceID = 0; 2469 qcamera_sm_evt_reg_face_payload_t *reg_payload = 2470 (qcamera_sm_evt_reg_face_payload_t *)payload; 2471 rc = m_parent->registerFaceImage(reg_payload->img_ptr, 2472 reg_payload->config, 2473 faceID); 2474 result.status = rc; 2475 result.request_api = evt; 2476 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE; 2477 result.handle = faceID; 2478 m_parent->signalAPIResult(&result); 2479 } 2480 break; 2481 case QCAMERA_SM_EVT_STOP_RECORDING: 2482 case QCAMERA_SM_EVT_START_PREVIEW: 2483 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW: 2484 case QCAMERA_SM_EVT_TAKE_PICTURE: 2485 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW: 2486 case QCAMERA_SM_EVT_RELEASE: 2487 { 2488 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 2489 rc = INVALID_OPERATION; 2490 result.status = rc; 2491 result.request_api = evt; 2492 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2493 m_parent->signalAPIResult(&result); 2494 } 2495 break; 2496 case QCAMERA_SM_EVT_EVT_INTERNAL: 2497 { 2498 qcamera_sm_internal_evt_payload_t *internal_evt = 2499 (qcamera_sm_internal_evt_payload_t *)payload; 2500 switch (internal_evt->evt_type) { 2501 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE: 2502 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data); 2503 break; 2504 default: 2505 break; 2506 } 2507 } 2508 break; 2509 case QCAMERA_SM_EVT_EVT_NOTIFY: 2510 { 2511 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload; 2512 switch (cam_evt->server_event_type) { 2513 case CAM_EVENT_TYPE_DAEMON_DIED: 2514 { 2515 m_parent->sendEvtNotify(CAMERA_MSG_ERROR, 2516 CAMERA_ERROR_SERVER_DIED, 2517 0); 2518 } 2519 break; 2520 default: 2521 ALOGE("%s: Invalid internal event %d in state(%d)", 2522 __func__, cam_evt->server_event_type, m_state); 2523 break; 2524 } 2525 } 2526 break; 2527 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY: 2528 { 2529 qcamera_jpeg_evt_payload_t *jpeg_job = 2530 (qcamera_jpeg_evt_payload_t *)payload; 2531 rc = m_parent->processJpegNotify(jpeg_job); 2532 } 2533 break; 2534 case QCAMERA_SM_EVT_SNAPSHOT_DONE: 2535 { 2536 if (m_parent->isZSLMode()) { 2537 rc = m_parent->cancelPicture(); 2538 } else { 2539 rc = m_parent->cancelLiveSnapshot(); 2540 } 2541 m_state = QCAMERA_SM_STATE_PREVIEWING; 2542 result.status = rc; 2543 result.request_api = evt; 2544 result.result_type = QCAMERA_API_RESULT_TYPE_DEF; 2545 m_parent->signalEvtResult(&result); 2546 } 2547 break; 2548 case QCAMERA_SM_EVT_THERMAL_NOTIFY: 2549 { 2550 rc = m_parent->updateThermalLevel( 2551 *(qcamera_thermal_level_enum_t *)&payload); 2552 } 2553 break; 2554 default: 2555 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state); 2556 break; 2557 } 2558 2559 return rc; 2560 } 2561 2562 /*=========================================================================== 2563 * FUNCTION : isPreviewRunning 2564 * 2565 * DESCRIPTION: check if preview is in process. 2566 * 2567 * PARAMETERS : None 2568 * 2569 * RETURN : true -- preview running 2570 * false -- preview stopped 2571 *==========================================================================*/ 2572 bool QCameraStateMachine::isPreviewRunning() 2573 { 2574 switch (m_state) { 2575 case QCAMERA_SM_STATE_PREVIEWING: 2576 case QCAMERA_SM_STATE_RECORDING: 2577 case QCAMERA_SM_STATE_VIDEO_PIC_TAKING: 2578 case QCAMERA_SM_STATE_PREVIEW_PIC_TAKING: 2579 case QCAMERA_SM_STATE_PREPARE_SNAPSHOT: 2580 return true; 2581 default: 2582 return false; 2583 } 2584 } 2585 2586 }; // namespace qcamera 2587
