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gerrit-public.fairphone.software / fp2-dev / platform / hardware / qcom / camera / a9dca0162bffa3f97814b4c957181a9812d23505 / . / QCamera2 / HAL / QCameraStateMachine.cpp
blob: 42fe32e262ec4d93aace6a7981b8c7e7d07decf9 [file] [log] [blame]
Muhua Li1612f422013-01-03 11:07:39 -0800[diff] [blame]1/* Copyright (c) 2012-2013, The Linux Foundataion. All rights reserved.
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]32#include <utils/Errors.h>
33#include "QCamera2HWI.h"
34#include "QCameraStateMachine.h"
35
Shuzhen Wang89635cf2012-12-20 13:47:22 -0800[diff] [blame]36namespace qcamera {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]37
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]49void *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 {
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]57 ret = cam_sem_wait(&pme->cmd_sem);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]58 if (ret != 0 && errno != EINVAL) {
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]59 ALOGE("%s: cam_sem_wait error (%s)",
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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:
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]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;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]79 case QCAMERA_SM_CMD_TYPE_EVT:
80 pme->stateMachine(node->evt, node->evt_payload);
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]81
82 // EVT is async call, so payload need to be free after use
83 free(node->evt_payload);
84 node->evt_payload = NULL;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]85 break;
86 case QCAMERA_SM_CMD_TYPE_EXIT:
87 running = 0;
88 break;
89 default:
90 break;
91 }
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]92 free(node);
93 node = NULL;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]94 }
95 } while (running);
96 ALOGD("%s: X", __func__);
97 return NULL;
98}
99
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]110QCameraStateMachine::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;
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]117 cam_sem_init(&cmd_sem, 0);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]118 pthread_create(&cmd_pid,
119 NULL,
120 smEvtProcRoutine,
121 this);
122}
123
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]124/*===========================================================================
125 * FUNCTION : ~QCameraStateMachine
126 *
127 * DESCRIPTION: desctructor of QCameraStateMachine. Will stop process thread.
128 *
129 * PARAMETERS : none
130 *
131 * RETURN : none
132 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]133QCameraStateMachine::~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);
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]143 cam_sem_post(&cmd_sem);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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 }
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]152 cam_sem_destroy(&cmd_sem);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]153}
154
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]168int32_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));
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]173 if (NULL == node) {
174 ALOGE("%s: No memory for qcamera_sm_cmd_t", __func__);
175 return NO_MEMORY;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]176 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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)) {
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]183 cam_sem_post(&cmd_sem);
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]184 return NO_ERROR;
185 } else {
186 free(node);
187 return UNKNOWN_ERROR;
188 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]189}
190
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]205int32_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));
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]210 if (NULL == node) {
211 ALOGE("%s: No memory for qcamera_sm_cmd_t", __func__);
212 return NO_MEMORY;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]213 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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)) {
Shuzhen Wang2da44612012-12-20 10:51:57 -0800[diff] [blame]220 cam_sem_post(&cmd_sem);
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]221 return NO_ERROR;
222 } else {
223 free(node);
224 return UNKNOWN_ERROR;
225 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]226}
227
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]242int32_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;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]255 case QCAMERA_SM_STATE_PREPARE_SNAPSHOT:
256 rc = procEvtPrepareSnapshotState(evt, payload);
257 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]291int32_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 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]353 bool needRestart = false;
354 rc = m_parent->updateParameters((char*)payload, needRestart);
355 if (rc == NO_ERROR) {
356 rc = m_parent->commitParameterChanges();
357 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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) {
Mansoor Aftab06c809c2013-01-23 19:44:47 -0800[diff] [blame]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 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]393 } else {
394 rc = m_parent->preparePreview();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]395 if (rc == NO_ERROR) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]396 rc = m_parent->startPreview();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]397 if (rc != NO_ERROR) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]398 m_parent->unpreparePreview();
399 } else {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]400 // start preview success, move to previewing state
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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;
Ankit Premrajka3b00dc62012-12-14 18:37:52 -0800[diff] [blame]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;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]488 case QCAMERA_SM_EVT_START_RECORDING:
489 case QCAMERA_SM_EVT_STOP_RECORDING:
490 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]491 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]492 case QCAMERA_SM_EVT_TAKE_PICTURE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]493 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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;
Muhua Li1612f422013-01-03 11:07:39 -0800[diff] [blame]503 case QCAMERA_SM_EVT_CANCEL_PICTURE:
Muhua Li1612f422013-01-03 11:07:39 -0800[diff] [blame]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;
Muhua Li0c14e432013-03-06 15:50:17 -0800[diff] [blame]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;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]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;
Emilian Peev2ae455e2013-04-18 10:41:56 +0300[diff] [blame]537 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
538 {
539 rc = m_parent->updateThermalLevel(
540 *(qcamera_thermal_level_enum_t *)&payload);
541 }
542 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]543 case QCAMERA_SM_EVT_EVT_NOTIFY:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]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 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]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:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]562 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]563 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]586int32_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 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]658 bool needRestart = false;
659 rc = m_parent->updateParameters((char*)payload, needRestart);
660 if (rc == NO_ERROR) {
Muhua Li6d69e932013-01-24 16:39:27 -0800[diff] [blame]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 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]674 }
Muhua Li6d69e932013-01-24 16:39:27 -0800[diff] [blame]675
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]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;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]806 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
807 case QCAMERA_SM_EVT_START_RECORDING:
808 case QCAMERA_SM_EVT_STOP_RECORDING:
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]809 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]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 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]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:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]842 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]843 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]844 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]867int32_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 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]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
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]939 m_parent->commitParameterChanges();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]940 // start preview again
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]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 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]951 } else {
952 rc = m_parent->commitParameterChanges();
953 }
954 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]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;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1071 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1072 {
Muhua Li0c14e432013-03-06 15:50:17 -0800[diff] [blame]1073 rc = m_parent->prepareHardwareForSnapshot(FALSE);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1074 if (rc == NO_ERROR) {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]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 {
Muhua Li8e614bc2013-04-17 17:38:42 -0700[diff] [blame]1092 if ( m_parent->mParameters.getRecordingHintValue() == false) {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1093 if (m_parent->isZSLMode()) {
1094 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1095 rc = m_parent->takePicture();
1096 if (rc != NO_ERROR) {
1097 // move state to previewing state
1098 m_state = QCAMERA_SM_STATE_PREVIEWING;
1099 }
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1100 } else {
1101 m_state = QCAMERA_SM_STATE_PIC_TAKING;
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1102 rc = m_parent->takePicture();
1103 if (rc != NO_ERROR) {
1104 // move state to preview stopped state
1105 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1106 }
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1107 }
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1108
1109 result.status = rc;
1110 result.request_api = evt;
1111 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1112 m_parent->signalAPIResult(&result);
Muhua Li8e614bc2013-04-17 17:38:42 -0700[diff] [blame]1113 } else {
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1114 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
Muhua Li8e614bc2013-04-17 17:38:42 -0700[diff] [blame]1115 rc = m_parent->takeLiveSnapshot();
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1116 if (rc != NO_ERROR ) {
1117 m_state = QCAMERA_SM_STATE_PREVIEWING;
Muhua Li8e614bc2013-04-17 17:38:42 -0700[diff] [blame]1118 }
Muhua Lia9dca012013-05-03 22:37:42 -0700[diff] [blame^]1119 result.status = rc;
1120 result.request_api = evt;
1121 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1122 m_parent->signalAPIResult(&result);
Muhua Li8e614bc2013-04-17 17:38:42 -0700[diff] [blame]1123 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1124 }
1125 break;
1126 case QCAMERA_SM_EVT_SEND_COMMAND:
1127 {
1128 qcamera_sm_evt_command_payload_t *cmd_payload =
1129 (qcamera_sm_evt_command_payload_t *)payload;
1130 rc = m_parent->sendCommand(cmd_payload->cmd,
1131 cmd_payload->arg1,
1132 cmd_payload->arg2);
1133 result.status = rc;
1134 result.request_api = evt;
1135 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1136 m_parent->signalAPIResult(&result);
1137 }
1138 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1139 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1140 {
1141 int32_t faceID = 0;
1142 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1143 (qcamera_sm_evt_reg_face_payload_t *)payload;
1144 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1145 reg_payload->config,
1146 faceID);
1147 result.status = rc;
1148 result.request_api = evt;
1149 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1150 result.handle = faceID;
1151 m_parent->signalAPIResult(&result);
1152 }
1153 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1154 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1155 case QCAMERA_SM_EVT_STOP_RECORDING:
1156 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1157 case QCAMERA_SM_EVT_RELEASE:
1158 {
1159 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1160 rc = INVALID_OPERATION;
1161 result.status = rc;
1162 result.request_api = evt;
1163 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1164 m_parent->signalAPIResult(&result);
1165 }
1166 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1167 case QCAMERA_SM_EVT_EVT_INTERNAL:
1168 {
1169 qcamera_sm_internal_evt_payload_t *internal_evt =
1170 (qcamera_sm_internal_evt_payload_t *)payload;
1171 switch (internal_evt->evt_type) {
1172 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1173 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1174 break;
1175 default:
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1176 ALOGE("%s: Invalid internal event %d in state(%d)",
1177 __func__, internal_evt->evt_type, m_state);
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1178 break;
1179 }
1180 }
1181 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1182 case QCAMERA_SM_EVT_EVT_NOTIFY:
1183 {
1184 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1185 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1186 case CAM_EVENT_TYPE_DAEMON_DIED:
1187 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1188 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1189 CAMERA_ERROR_SERVER_DIED,
1190 0);
1191 }
1192 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1193 default:
1194 ALOGD("%s: no handling for server evt (%d) at this state",
1195 __func__, cam_evt->server_event_type);
1196 break;
1197 }
1198 }
1199 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1200 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1201 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]1202 rc = m_parent->updateThermalLevel(
1203 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1204 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1205 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1206 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1207 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1208 default:
1209 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1210 break;
1211 }
1212
1213 return rc;
1214}
1215
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1216/*===========================================================================
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1217 * FUNCTION : procEvtPrepareSnapshotState
1218 *
1219 * DESCRIPTION: finite state machine function to handle event in state of
1220 * QCAMERA_SM_STATE_PREPARE_SNAPSHOT.
1221 *
1222 * PARAMETERS :
1223 * @evt : event to be processed
1224 * @payload : event payload. Can be NULL if not needed.
1225 *
1226 * RETURN : int32_t type of status
1227 * NO_ERROR -- success
1228 * none-zero failure code
1229 *==========================================================================*/
1230int32_t QCameraStateMachine::procEvtPrepareSnapshotState(qcamera_sm_evt_enum_t evt,
1231 void *payload)
1232{
1233 int32_t rc = NO_ERROR;
1234 qcamera_api_result_t result;
1235 memset(&result, 0, sizeof(qcamera_api_result_t));
1236
1237 switch (evt) {
1238 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1239 case QCAMERA_SM_EVT_SET_CALLBACKS:
1240 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1241 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1242 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1243 case QCAMERA_SM_EVT_SET_PARAMS:
1244 case QCAMERA_SM_EVT_GET_PARAMS:
1245 case QCAMERA_SM_EVT_PUT_PARAMS:
1246 case QCAMERA_SM_EVT_START_PREVIEW:
1247 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1248 case QCAMERA_SM_EVT_STOP_PREVIEW:
1249 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1250 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1251 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1252 case QCAMERA_SM_EVT_DUMP:
1253 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1254 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1255 case QCAMERA_SM_EVT_START_RECORDING:
1256 case QCAMERA_SM_EVT_TAKE_PICTURE:
1257 case QCAMERA_SM_EVT_SEND_COMMAND:
1258 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1259 case QCAMERA_SM_EVT_STOP_RECORDING:
1260 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1261 case QCAMERA_SM_EVT_RELEASE:
1262 {
1263 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1264 rc = INVALID_OPERATION;
1265 result.status = rc;
1266 result.request_api = evt;
1267 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1268 m_parent->signalAPIResult(&result);
1269 }
1270 break;
1271 case QCAMERA_SM_EVT_EVT_INTERNAL:
1272 {
1273 qcamera_sm_internal_evt_payload_t *internal_evt =
1274 (qcamera_sm_internal_evt_payload_t *)payload;
1275 switch (internal_evt->evt_type) {
1276 case QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE:
1277 ALOGI("%s: Received QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE event",
1278 __func__);
1279 m_parent->processPrepSnapshotDoneEvent(internal_evt->prep_snapshot_state);
1280 m_state = QCAMERA_SM_STATE_PREVIEWING;
1281
1282 result.status = NO_ERROR;
1283 result.request_api = QCAMERA_SM_EVT_PREPARE_SNAPSHOT;
1284 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1285 m_parent->signalAPIResult(&result);
1286 break;
1287 default:
1288 ALOGE("%s: Invalid internal event %d in state(%d)",
1289 __func__, internal_evt->evt_type, m_state);
1290 break;
1291 }
1292 }
1293 break;
1294 case QCAMERA_SM_EVT_EVT_NOTIFY:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1295 {
1296 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1297 switch (cam_evt->server_event_type) {
1298 case CAM_EVENT_TYPE_DAEMON_DIED:
1299 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1300 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1301 CAMERA_ERROR_SERVER_DIED,
1302 0);
1303 }
1304 break;
1305 default:
1306 ALOGE("%s: Invalid internal event %d in state(%d)",
1307 __func__, cam_evt->server_event_type, m_state);
1308 break;
1309 }
1310 }
1311 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1312 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
1313 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1314 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1315 default:
1316 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1317 break;
1318 }
1319
1320 return rc;
1321}
1322
1323/*===========================================================================
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1324 * FUNCTION : procEvtPicTakingState
1325 *
1326 * DESCRIPTION: finite state machine function to handle event in state of
1327 * QCAMERA_SM_STATE_PIC_TAKING.
1328 *
1329 * PARAMETERS :
1330 * @evt : event to be processed
1331 * @payload : event payload. Can be NULL if not needed.
1332 *
1333 * RETURN : int32_t type of status
1334 * NO_ERROR -- success
1335 * none-zero failure code
1336 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1337int32_t QCameraStateMachine::procEvtPicTakingState(qcamera_sm_evt_enum_t evt,
1338 void *payload)
1339{
1340 int32_t rc = NO_ERROR;
1341 qcamera_api_result_t result;
1342 memset(&result, 0, sizeof(qcamera_api_result_t));
1343
1344 switch (evt) {
1345 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1346 {
1347 // Error setting preview window during previewing
1348 ALOGE("Cannot set preview window when preview is running");
1349 rc = INVALID_OPERATION;
1350 result.status = rc;
1351 result.request_api = evt;
1352 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1353 m_parent->signalAPIResult(&result);
1354 }
1355 break;
1356 case QCAMERA_SM_EVT_SET_CALLBACKS:
1357 {
1358 qcamera_sm_evt_setcb_payload_t *setcbs =
1359 (qcamera_sm_evt_setcb_payload_t *)payload;
1360 rc = m_parent->setCallBacks(setcbs->notify_cb,
1361 setcbs->data_cb,
1362 setcbs->data_cb_timestamp,
1363 setcbs->get_memory,
1364 setcbs->user);
1365 result.status = rc;
1366 result.request_api = evt;
1367 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1368 m_parent->signalAPIResult(&result);
1369 }
1370 break;
1371 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1372 {
1373 rc = m_parent->enableMsgType(int32_t(payload));
1374 result.status = rc;
1375 result.request_api = evt;
1376 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1377 m_parent->signalAPIResult(&result);
1378 }
1379 break;
1380 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1381 {
1382 rc = m_parent->disableMsgType(int32_t(payload));
1383 result.status = rc;
1384 result.request_api = evt;
1385 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1386 m_parent->signalAPIResult(&result);
1387 }
1388 break;
1389 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1390 {
1391 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1392 result.status = rc;
1393 result.request_api = evt;
1394 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1395 result.enabled = enabled;
1396 m_parent->signalAPIResult(&result);
1397 }
1398 break;
1399 case QCAMERA_SM_EVT_SET_PARAMS:
1400 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1401 bool needRestart = false;
1402 rc = m_parent->updateParameters((char*)payload, needRestart);
1403 if (rc == NO_ERROR) {
1404 rc = m_parent->commitParameterChanges();
1405 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1406 result.status = rc;
1407 result.request_api = evt;
1408 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1409 m_parent->signalAPIResult(&result);
1410 }
1411 break;
1412 case QCAMERA_SM_EVT_GET_PARAMS:
1413 {
1414 result.params = m_parent->getParameters();
1415 rc = NO_ERROR;
1416 result.status = rc;
1417 result.request_api = evt;
1418 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1419 m_parent->signalAPIResult(&result);
1420 }
1421 break;
1422 case QCAMERA_SM_EVT_PUT_PARAMS:
1423 {
1424 rc = m_parent->putParameters((char*)payload);
1425 result.status = rc;
1426 result.request_api = evt;
1427 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1428 m_parent->signalAPIResult(&result);
1429 }
1430 break;
1431 case QCAMERA_SM_EVT_STOP_PREVIEW:
1432 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]1433 // cancel picture first
1434 rc = m_parent->cancelPicture();
1435 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1436
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1437 result.status = rc;
1438 result.request_api = evt;
1439 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1440 m_parent->signalAPIResult(&result);
1441 }
1442 break;
1443 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1444 {
1445 rc = NO_ERROR;
1446 result.status = rc;
1447 result.request_api = evt;
1448 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1449 result.enabled = 0;
1450 m_parent->signalAPIResult(&result);
1451 }
1452 break;
1453 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1454 {
1455 rc = NO_ERROR;
1456 result.status = rc;
1457 result.request_api = evt;
1458 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1459 result.enabled = 0;
1460 m_parent->signalAPIResult(&result);
1461 }
1462 break;
1463 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1464 {
1465 rc = m_parent->storeMetaDataInBuffers(int(payload));
1466 result.status = rc;
1467 result.request_api = evt;
1468 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1469 m_parent->signalAPIResult(&result);
1470 }
1471 break;
1472 case QCAMERA_SM_EVT_DUMP:
1473 {
1474 rc = m_parent->dump((int)payload);
1475 result.status = rc;
1476 result.request_api = evt;
1477 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1478 m_parent->signalAPIResult(&result);
1479 }
1480 break;
1481 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1482 {
1483 rc = m_parent->autoFocus();
1484 result.status = rc;
1485 result.request_api = evt;
1486 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1487 m_parent->signalAPIResult(&result);
1488 }
1489 break;
1490 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1491 {
1492 rc = m_parent->cancelAutoFocus();
1493 result.status = rc;
1494 result.request_api = evt;
1495 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1496 m_parent->signalAPIResult(&result);
1497 }
1498 break;
1499 case QCAMERA_SM_EVT_SEND_COMMAND:
1500 {
1501 qcamera_sm_evt_command_payload_t *cmd_payload =
1502 (qcamera_sm_evt_command_payload_t *)payload;
1503 rc = m_parent->sendCommand(cmd_payload->cmd,
1504 cmd_payload->arg1,
1505 cmd_payload->arg2);
1506 result.status = rc;
1507 result.request_api = evt;
1508 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1509 m_parent->signalAPIResult(&result);
1510 }
1511 break;
1512 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1513 {
1514 rc = m_parent->cancelPicture();
1515 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1516 result.status = rc;
1517 result.request_api = evt;
1518 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1519 m_parent->signalAPIResult(&result);
1520 }
1521 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1522 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1523 {
1524 int32_t faceID = 0;
1525 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1526 (qcamera_sm_evt_reg_face_payload_t *)payload;
1527 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1528 reg_payload->config,
1529 faceID);
1530 result.status = rc;
1531 result.request_api = evt;
1532 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1533 result.handle = faceID;
1534 m_parent->signalAPIResult(&result);
1535 }
1536 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1537 case QCAMERA_SM_EVT_TAKE_PICTURE:
1538 case QCAMERA_SM_EVT_START_RECORDING:
1539 case QCAMERA_SM_EVT_STOP_RECORDING:
1540 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1541 case QCAMERA_SM_EVT_START_PREVIEW:
1542 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1543 case QCAMERA_SM_EVT_RELEASE:
1544 {
1545 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1546 rc = INVALID_OPERATION;
1547 result.status = rc;
1548 result.request_api = evt;
1549 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1550 m_parent->signalAPIResult(&result);
1551 }
1552 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1553 case QCAMERA_SM_EVT_EVT_INTERNAL:
1554 {
1555 qcamera_sm_internal_evt_payload_t *internal_evt =
1556 (qcamera_sm_internal_evt_payload_t *)payload;
1557 switch (internal_evt->evt_type) {
1558 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1559 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1560 break;
1561 default:
1562 break;
1563 }
1564 }
1565 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1566 case QCAMERA_SM_EVT_EVT_NOTIFY:
1567 {
1568 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1569 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1570 case CAM_EVENT_TYPE_DAEMON_DIED:
1571 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1572 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1573 CAMERA_ERROR_SERVER_DIED,
1574 0);
1575 }
1576 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1577 default:
1578 ALOGD("%s: no handling for server evt (%d) at this state",
1579 __func__, cam_evt->server_event_type);
1580 break;
1581 }
1582 }
1583 break;
1584 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1585 {
1586 qcamera_jpeg_evt_payload_t *jpeg_job =
1587 (qcamera_jpeg_evt_payload_t *)payload;
1588 rc = m_parent->processJpegNotify(jpeg_job);
1589 }
1590 break;
1591 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1592 {
1593 rc = m_parent->cancelPicture();
1594 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]1595 result.status = rc;
1596 result.request_api = evt;
1597 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1598 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1599 }
1600 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1601 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peev2ae455e2013-04-18 10:41:56 +0300[diff] [blame]1602 {
1603 rc = m_parent->updateThermalLevel(
1604 *(qcamera_thermal_level_enum_t *)&payload);
1605 }
1606 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1607 default:
1608 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1609 break;
1610 }
1611
1612 return rc;
1613}
1614
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1615/*===========================================================================
1616 * FUNCTION : procEvtRecordingState
1617 *
1618 * DESCRIPTION: finite state machine function to handle event in state of
1619 * QCAMERA_SM_STATE_RECORDING.
1620 *
1621 * PARAMETERS :
1622 * @evt : event to be processed
1623 * @payload : event payload. Can be NULL if not needed.
1624 *
1625 * RETURN : int32_t type of status
1626 * NO_ERROR -- success
1627 * none-zero failure code
1628 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1629int32_t QCameraStateMachine::procEvtRecordingState(qcamera_sm_evt_enum_t evt,
1630 void *payload)
1631{
1632 int32_t rc = NO_ERROR;
1633 qcamera_api_result_t result;
1634 memset(&result, 0, sizeof(qcamera_api_result_t));
1635
1636 switch (evt) {
1637 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1638 {
1639 // Error setting preview window during previewing
1640 ALOGE("Cannot set preview window when preview is running");
1641 rc = INVALID_OPERATION;
1642 result.status = rc;
1643 result.request_api = evt;
1644 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1645 m_parent->signalAPIResult(&result);
1646 }
1647 break;
1648 case QCAMERA_SM_EVT_SET_CALLBACKS:
1649 {
1650 qcamera_sm_evt_setcb_payload_t *setcbs =
1651 (qcamera_sm_evt_setcb_payload_t *)payload;
1652 rc = m_parent->setCallBacks(setcbs->notify_cb,
1653 setcbs->data_cb,
1654 setcbs->data_cb_timestamp,
1655 setcbs->get_memory,
1656 setcbs->user);
1657 result.status = rc;
1658 result.request_api = evt;
1659 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1660 m_parent->signalAPIResult(&result);
1661 }
1662 break;
1663 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1664 {
1665 rc = m_parent->enableMsgType(int32_t(payload));
1666 result.status = rc;
1667 result.request_api = evt;
1668 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1669 m_parent->signalAPIResult(&result);
1670 }
1671 break;
1672 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1673 {
1674 rc = m_parent->disableMsgType(int32_t(payload));
1675 result.status = rc;
1676 result.request_api = evt;
1677 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1678 m_parent->signalAPIResult(&result);
1679 }
1680 break;
1681 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1682 {
1683 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1684 result.status = rc;
1685 result.request_api = evt;
1686 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1687 result.enabled = enabled;
1688 m_parent->signalAPIResult(&result);
1689 }
1690 break;
1691 case QCAMERA_SM_EVT_SET_PARAMS:
1692 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1693 bool needRestart = false;
1694 rc = m_parent->updateParameters((char*)payload, needRestart);
1695 if (rc == NO_ERROR) {
1696 if (needRestart) {
1697 // cannot set parameters that requires restart during recording
1698 ALOGE("%s: Cannot set parameters that requires restart during recording",
1699 __func__);
1700 rc = BAD_VALUE;
1701 } else {
1702 rc = m_parent->commitParameterChanges();
1703 }
1704 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1705 result.status = rc;
1706 result.request_api = evt;
1707 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1708 m_parent->signalAPIResult(&result);
1709 }
1710 break;
1711 case QCAMERA_SM_EVT_GET_PARAMS:
1712 {
1713 result.params = m_parent->getParameters();
1714 rc = NO_ERROR;
1715 result.status = rc;
1716 result.request_api = evt;
1717 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1718 m_parent->signalAPIResult(&result);
1719 }
1720 break;
1721 case QCAMERA_SM_EVT_PUT_PARAMS:
1722 {
1723 rc = m_parent->putParameters((char*)payload);
1724 result.status = rc;
1725 result.request_api = evt;
1726 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1727 m_parent->signalAPIResult(&result);
1728 }
1729 break;
1730 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1731 {
1732 rc = NO_ERROR;
1733 result.status = rc;
1734 result.request_api = evt;
1735 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1736 result.enabled = 0;
1737 m_parent->signalAPIResult(&result);
1738 }
1739 break;
1740 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1741 {
1742 rc = NO_ERROR;
1743 result.status = rc;
1744 result.request_api = evt;
1745 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1746 result.enabled = 1;
1747 m_parent->signalAPIResult(&result);
1748 }
1749 break;
1750 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1751 {
1752 rc = m_parent->storeMetaDataInBuffers(int(payload));
1753 result.status = rc;
1754 result.request_api = evt;
1755 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1756 m_parent->signalAPIResult(&result);
1757 }
1758 break;
1759 case QCAMERA_SM_EVT_DUMP:
1760 {
1761 rc = m_parent->dump((int)payload);
1762 result.status = rc;
1763 result.request_api = evt;
1764 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1765 m_parent->signalAPIResult(&result);
1766 }
1767 break;
1768 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1769 {
1770 rc = m_parent->autoFocus();
1771 result.status = rc;
1772 result.request_api = evt;
1773 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1774 m_parent->signalAPIResult(&result);
1775 }
1776 break;
1777 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1778 {
1779 rc = m_parent->cancelAutoFocus();
1780 result.status = rc;
1781 result.request_api = evt;
1782 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1783 m_parent->signalAPIResult(&result);
1784 }
1785 break;
1786 case QCAMERA_SM_EVT_SEND_COMMAND:
1787 {
1788 qcamera_sm_evt_command_payload_t *cmd_payload =
1789 (qcamera_sm_evt_command_payload_t *)payload;
1790 rc = m_parent->sendCommand(cmd_payload->cmd,
1791 cmd_payload->arg1,
1792 cmd_payload->arg2);
1793 result.status = rc;
1794 result.request_api = evt;
1795 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1796 m_parent->signalAPIResult(&result);
1797 }
1798 break;
1799 case QCAMERA_SM_EVT_TAKE_PICTURE:
1800 {
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1801 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1802 rc = m_parent->takeLiveSnapshot();
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1803 if (rc != NO_ERROR) {
1804 m_state = QCAMERA_SM_STATE_RECORDING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1805 }
1806 result.status = rc;
1807 result.request_api = evt;
1808 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1809 m_parent->signalAPIResult(&result);
1810 }
1811 break;
1812 case QCAMERA_SM_EVT_START_RECORDING:
1813 {
1814 // no ops here
1815 ALOGD("%s: already in recording state, no ops for start_recording", __func__);
1816 rc = 0;
1817 result.status = rc;
1818 result.request_api = evt;
1819 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1820 m_parent->signalAPIResult(&result);
1821 }
1822 break;
1823 case QCAMERA_SM_EVT_STOP_RECORDING:
1824 {
1825 rc = m_parent->stopRecording();
1826 m_state = QCAMERA_SM_STATE_PREVIEWING;
1827 result.status = rc;
1828 result.request_api = evt;
1829 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1830 m_parent->signalAPIResult(&result);
1831 }
1832 break;
1833 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1834 {
1835 rc = m_parent->releaseRecordingFrame((const void *)payload);
1836 result.status = rc;
1837 result.request_api = evt;
1838 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1839 m_parent->signalAPIResult(&result);
1840 }
1841 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1842 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1843 {
1844 int32_t faceID = 0;
1845 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1846 (qcamera_sm_evt_reg_face_payload_t *)payload;
1847 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1848 reg_payload->config,
1849 faceID);
1850 result.status = rc;
1851 result.request_api = evt;
1852 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1853 result.handle = faceID;
1854 m_parent->signalAPIResult(&result);
1855 }
1856 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1857 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
1858 {
1859 //In Video snapshot, prepare hardware is a no-op.
1860 result.status = NO_ERROR;
1861 result.request_api = evt;
1862 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1863 m_parent->signalAPIResult(&result);
1864 }
1865 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1866 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1867 case QCAMERA_SM_EVT_START_PREVIEW:
1868 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1869 case QCAMERA_SM_EVT_STOP_PREVIEW:
1870 case QCAMERA_SM_EVT_RELEASE:
1871 {
1872 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1873 rc = INVALID_OPERATION;
1874 result.status = rc;
1875 result.request_api = evt;
1876 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1877 m_parent->signalAPIResult(&result);
1878 }
1879 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1880 case QCAMERA_SM_EVT_EVT_INTERNAL:
1881 {
1882 qcamera_sm_internal_evt_payload_t *internal_evt =
1883 (qcamera_sm_internal_evt_payload_t *)payload;
1884 switch (internal_evt->evt_type) {
1885 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1886 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1887 break;
1888 default:
1889 break;
1890 }
1891 }
1892 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1893 case QCAMERA_SM_EVT_EVT_NOTIFY:
1894 {
1895 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1896 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1897 case CAM_EVENT_TYPE_DAEMON_DIED:
1898 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1899 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1900 CAMERA_ERROR_SERVER_DIED,
1901 0);
1902 }
1903 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1904 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1905 ALOGE("%s: Invalid internal event %d in state(%d)",
1906 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1907 break;
1908 }
1909 }
1910 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1911 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1912 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]1913 rc = m_parent->updateThermalLevel(
1914 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1915 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1916 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1917 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1918 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1919 default:
1920 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1921 break;
1922 }
1923
1924 return rc;
1925}
1926
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1927/*===========================================================================
1928 * FUNCTION : procEvtVideoPicTakingState
1929 *
1930 * DESCRIPTION: finite state machine function to handle event in state of
1931 * QCAMERA_SM_STATE_VIDEO_PIC_TAKING.
1932 *
1933 * PARAMETERS :
1934 * @evt : event to be processed
1935 * @payload : event payload. Can be NULL if not needed.
1936 *
1937 * RETURN : int32_t type of status
1938 * NO_ERROR -- success
1939 * none-zero failure code
1940 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1941int32_t QCameraStateMachine::procEvtVideoPicTakingState(qcamera_sm_evt_enum_t evt,
1942 void *payload)
1943{
1944 int32_t rc = NO_ERROR;
1945 qcamera_api_result_t result;
1946 memset(&result, 0, sizeof(qcamera_api_result_t));
1947
1948 switch (evt) {
1949 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1950 {
1951 // Error setting preview window during previewing
1952 ALOGE("Cannot set preview window when preview is running");
1953 rc = INVALID_OPERATION;
1954 result.status = rc;
1955 result.request_api = evt;
1956 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1957 m_parent->signalAPIResult(&result);
1958 }
1959 break;
1960 case QCAMERA_SM_EVT_SET_CALLBACKS:
1961 {
1962 qcamera_sm_evt_setcb_payload_t *setcbs =
1963 (qcamera_sm_evt_setcb_payload_t *)payload;
1964 rc = m_parent->setCallBacks(setcbs->notify_cb,
1965 setcbs->data_cb,
1966 setcbs->data_cb_timestamp,
1967 setcbs->get_memory,
1968 setcbs->user);
1969 result.status = rc;
1970 result.request_api = evt;
1971 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1972 m_parent->signalAPIResult(&result);
1973 }
1974 break;
1975 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1976 {
1977 rc = m_parent->enableMsgType(int32_t(payload));
1978 result.status = rc;
1979 result.request_api = evt;
1980 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1981 m_parent->signalAPIResult(&result);
1982 }
1983 break;
1984 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1985 {
1986 rc = m_parent->disableMsgType(int32_t(payload));
1987 result.status = rc;
1988 result.request_api = evt;
1989 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1990 m_parent->signalAPIResult(&result);
1991 }
1992 break;
1993 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1994 {
1995 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1996 result.status = rc;
1997 result.request_api = evt;
1998 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1999 result.enabled = enabled;
2000 m_parent->signalAPIResult(&result);
2001 }
2002 break;
2003 case QCAMERA_SM_EVT_SET_PARAMS:
2004 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2005 bool needRestart = false;
2006 rc = m_parent->updateParameters((char*)payload, needRestart);
2007 if (rc == NO_ERROR) {
2008 if (needRestart) {
2009 // cannot set parameters that requires restart during recording
2010 ALOGE("%s: Cannot set parameters that requires restart during recording",
2011 __func__);
2012 rc = BAD_VALUE;
2013 } else {
2014 rc = m_parent->commitParameterChanges();
2015 }
2016 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2017 result.status = rc;
2018 result.request_api = evt;
2019 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2020 m_parent->signalAPIResult(&result);
2021 }
2022 break;
2023 case QCAMERA_SM_EVT_GET_PARAMS:
2024 {
2025 result.params = m_parent->getParameters();
2026 rc = NO_ERROR;
2027 result.status = rc;
2028 result.request_api = evt;
2029 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
2030 m_parent->signalAPIResult(&result);
2031 }
2032 break;
2033 case QCAMERA_SM_EVT_PUT_PARAMS:
2034 {
2035 rc = m_parent->putParameters((char*)payload);
2036 result.status = rc;
2037 result.request_api = evt;
2038 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2039 m_parent->signalAPIResult(&result);
2040 }
2041 break;
2042 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
2043 {
2044 rc = NO_ERROR;
2045 result.status = rc;
2046 result.request_api = evt;
2047 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2048 result.enabled = 1;
2049 m_parent->signalAPIResult(&result);
2050 }
2051 break;
2052 case QCAMERA_SM_EVT_RECORDING_ENABLED:
2053 {
2054 rc = NO_ERROR;
2055 result.status = rc;
2056 result.request_api = evt;
2057 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2058 result.enabled = 1;
2059 m_parent->signalAPIResult(&result);
2060 }
2061 break;
2062 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
2063 {
2064 rc = m_parent->storeMetaDataInBuffers(int(payload));
2065 result.status = rc;
2066 result.request_api = evt;
2067 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2068 m_parent->signalAPIResult(&result);
2069 }
2070 break;
2071 case QCAMERA_SM_EVT_DUMP:
2072 {
2073 rc = m_parent->dump((int)payload);
2074 result.status = rc;
2075 result.request_api = evt;
2076 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2077 m_parent->signalAPIResult(&result);
2078 }
2079 break;
2080 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
2081 {
2082 rc = m_parent->autoFocus();
2083 result.status = rc;
2084 result.request_api = evt;
2085 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2086 m_parent->signalAPIResult(&result);
2087 }
2088 break;
2089 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
2090 {
2091 rc = m_parent->cancelAutoFocus();
2092 result.status = rc;
2093 result.request_api = evt;
2094 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2095 m_parent->signalAPIResult(&result);
2096 }
2097 break;
2098 case QCAMERA_SM_EVT_SEND_COMMAND:
2099 {
2100 qcamera_sm_evt_command_payload_t *cmd_payload =
2101 (qcamera_sm_evt_command_payload_t *)payload;
2102 rc = m_parent->sendCommand(cmd_payload->cmd,
2103 cmd_payload->arg1,
2104 cmd_payload->arg2);
2105 result.status = rc;
2106 result.request_api = evt;
2107 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2108 m_parent->signalAPIResult(&result);
2109 }
2110 break;
2111 case QCAMERA_SM_EVT_STOP_RECORDING:
2112 {
2113 rc = m_parent->stopRecording();
2114 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
2115 result.status = rc;
2116 result.request_api = evt;
2117 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2118 m_parent->signalAPIResult(&result);
2119 }
2120 break;
2121 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2122 {
2123 rc = m_parent->releaseRecordingFrame((const void *)payload);
2124 result.status = rc;
2125 result.request_api = evt;
2126 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2127 m_parent->signalAPIResult(&result);
2128 }
2129 break;
2130 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2131 {
2132 rc = m_parent->cancelLiveSnapshot();
2133 m_state = QCAMERA_SM_STATE_RECORDING;
2134 result.status = rc;
2135 result.request_api = evt;
2136 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2137 m_parent->signalAPIResult(&result);
2138 }
2139 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2140 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2141 {
2142 int32_t faceID = 0;
2143 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2144 (qcamera_sm_evt_reg_face_payload_t *)payload;
2145 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2146 reg_payload->config,
2147 faceID);
2148 result.status = rc;
2149 result.request_api = evt;
2150 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2151 result.handle = faceID;
2152 m_parent->signalAPIResult(&result);
2153 }
2154 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2155 case QCAMERA_SM_EVT_START_RECORDING:
2156 case QCAMERA_SM_EVT_START_PREVIEW:
2157 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2158 case QCAMERA_SM_EVT_STOP_PREVIEW:
2159 case QCAMERA_SM_EVT_TAKE_PICTURE:
2160 case QCAMERA_SM_EVT_RELEASE:
2161 {
2162 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2163 rc = INVALID_OPERATION;
2164 result.status = rc;
2165 result.request_api = evt;
2166 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2167 m_parent->signalAPIResult(&result);
2168 }
2169 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2170 case QCAMERA_SM_EVT_EVT_INTERNAL:
2171 {
2172 qcamera_sm_internal_evt_payload_t *internal_evt =
2173 (qcamera_sm_internal_evt_payload_t *)payload;
2174 switch (internal_evt->evt_type) {
2175 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2176 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2177 break;
2178 default:
2179 break;
2180 }
2181 }
2182 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2183 case QCAMERA_SM_EVT_EVT_NOTIFY:
2184 {
2185 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2186 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2187 case CAM_EVENT_TYPE_DAEMON_DIED:
2188 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2189 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
2190 CAMERA_ERROR_SERVER_DIED,
2191 0);
2192 }
2193 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2194 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2195 ALOGE("%s: Invalid internal event %d in state(%d)",
2196 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2197 break;
2198 }
2199 }
2200 break;
2201 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2202 {
2203 qcamera_jpeg_evt_payload_t *jpeg_job =
2204 (qcamera_jpeg_evt_payload_t *)payload;
2205 rc = m_parent->processJpegNotify(jpeg_job);
2206 }
2207 break;
2208 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2209 {
2210 rc = m_parent->cancelLiveSnapshot();
2211 m_state = QCAMERA_SM_STATE_RECORDING;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]2212 result.status = rc;
2213 result.request_api = evt;
2214 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2215 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2216 }
2217 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2218 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2219 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2220 rc = m_parent->updateThermalLevel(
2221 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2222 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2223 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2224 default:
2225 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2226 break;
2227 }
2228
2229 return rc;
2230}
2231
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2232/*===========================================================================
2233 * FUNCTION : procEvtPreviewPicTakingState
2234 *
2235 * DESCRIPTION: finite state machine function to handle event in state of
2236 * QCAMERA_SM_STATE_PREVIEW_PIC_TAKING.
2237 *
2238 * PARAMETERS :
2239 * @evt : event to be processed
2240 * @payload : event payload. Can be NULL if not needed.
2241 *
2242 * RETURN : int32_t type of status
2243 * NO_ERROR -- success
2244 * none-zero failure code
2245 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2246int32_t QCameraStateMachine::procEvtPreviewPicTakingState(qcamera_sm_evt_enum_t evt,
2247 void *payload)
2248{
2249 int32_t rc = NO_ERROR;
2250 qcamera_api_result_t result;
2251 memset(&result, 0, sizeof(qcamera_api_result_t));
2252
2253 switch (evt) {
2254 case QCAMERA_SM_EVT_SET_CALLBACKS:
2255 {
2256 qcamera_sm_evt_setcb_payload_t *setcbs =
2257 (qcamera_sm_evt_setcb_payload_t *)payload;
2258 rc = m_parent->setCallBacks(setcbs->notify_cb,
2259 setcbs->data_cb,
2260 setcbs->data_cb_timestamp,
2261 setcbs->get_memory,
2262 setcbs->user);
2263 result.status = rc;
2264 result.request_api = evt;
2265 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2266 m_parent->signalAPIResult(&result);
2267 }
2268 break;
2269 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
2270 {
2271 rc = m_parent->enableMsgType(int32_t(payload));
2272 result.status = rc;
2273 result.request_api = evt;
2274 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2275 m_parent->signalAPIResult(&result);
2276 }
2277 break;
2278 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
2279 {
2280 rc = m_parent->disableMsgType(int32_t(payload));
2281 result.status = rc;
2282 result.request_api = evt;
2283 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2284 m_parent->signalAPIResult(&result);
2285 }
2286 break;
2287 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
2288 {
2289 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
2290 result.status = rc;
2291 result.request_api = evt;
2292 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2293 result.enabled = enabled;
2294 m_parent->signalAPIResult(&result);
2295 }
2296 break;
2297 case QCAMERA_SM_EVT_SET_PARAMS:
2298 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2299 bool needRestart = false;
2300 rc = m_parent->updateParameters((char*)payload, needRestart);
2301 if (rc == NO_ERROR) {
2302 if (needRestart) {
2303 // need restart preview for parameters to take effect
2304 // stop preview
2305 m_parent->stopPreview();
2306 // commit parameter changes to server
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2307 m_parent->commitParameterChanges();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2308 // start preview again
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2309 rc = m_parent->preparePreview();
2310 if (rc == NO_ERROR) {
2311 rc = m_parent->startPreview();
2312 if (rc != NO_ERROR) {
2313 m_parent->unpreparePreview();
2314 }
2315 }
2316 if (rc != NO_ERROR) {
2317 m_state = QCAMERA_SM_STATE_PIC_TAKING;
2318 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2319 } else {
2320 rc = m_parent->commitParameterChanges();
2321 }
2322 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2323 result.status = rc;
2324 result.request_api = evt;
2325 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2326 m_parent->signalAPIResult(&result);
2327 }
2328 break;
2329 case QCAMERA_SM_EVT_GET_PARAMS:
2330 {
2331 result.params = m_parent->getParameters();
2332 rc = NO_ERROR;
2333 result.status = rc;
2334 result.request_api = evt;
2335 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
2336 m_parent->signalAPIResult(&result);
2337 }
2338 break;
2339 case QCAMERA_SM_EVT_PUT_PARAMS:
2340 {
2341 rc = m_parent->putParameters((char*)payload);
2342 result.status = rc;
2343 result.request_api = evt;
2344 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2345 m_parent->signalAPIResult(&result);
2346 }
2347 break;
2348 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
2349 {
2350 rc = NO_ERROR;
2351 result.status = rc;
2352 result.request_api = evt;
2353 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2354 result.enabled = 1;
2355 m_parent->signalAPIResult(&result);
2356 }
2357 break;
2358 case QCAMERA_SM_EVT_RECORDING_ENABLED:
2359 {
2360 rc = NO_ERROR;
2361 result.status = rc;
2362 result.request_api = evt;
2363 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2364 result.enabled = 0;
2365 m_parent->signalAPIResult(&result);
2366 }
2367 break;
2368 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
2369 {
2370 rc = m_parent->storeMetaDataInBuffers(int(payload));
2371 result.status = rc;
2372 result.request_api = evt;
2373 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2374 m_parent->signalAPIResult(&result);
2375 }
2376 break;
2377 case QCAMERA_SM_EVT_DUMP:
2378 {
2379 rc = m_parent->dump((int)payload);
2380 result.status = rc;
2381 result.request_api = evt;
2382 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2383 m_parent->signalAPIResult(&result);
2384 }
2385 break;
2386 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
2387 {
2388 rc = m_parent->autoFocus();
2389 result.status = rc;
2390 result.request_api = evt;
2391 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2392 m_parent->signalAPIResult(&result);
2393 }
2394 break;
2395 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
2396 {
2397 rc = m_parent->cancelAutoFocus();
2398 result.status = rc;
2399 result.request_api = evt;
2400 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2401 m_parent->signalAPIResult(&result);
2402 }
2403 break;
2404 case QCAMERA_SM_EVT_SEND_COMMAND:
2405 {
2406 qcamera_sm_evt_command_payload_t *cmd_payload =
2407 (qcamera_sm_evt_command_payload_t *)payload;
2408 rc = m_parent->sendCommand(cmd_payload->cmd,
2409 cmd_payload->arg1,
2410 cmd_payload->arg2);
2411 result.status = rc;
2412 result.request_api = evt;
2413 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2414 m_parent->signalAPIResult(&result);
2415 }
2416 break;
2417 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2418 {
2419 rc = m_parent->releaseRecordingFrame((const void *)payload);
2420 result.status = rc;
2421 result.request_api = evt;
2422 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2423 m_parent->signalAPIResult(&result);
2424 }
2425 break;
2426 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2427 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2428 if (m_parent->isZSLMode()) {
2429 rc = m_parent->cancelPicture();
2430 } else {
2431 rc = m_parent->cancelLiveSnapshot();
2432 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2433 m_state = QCAMERA_SM_STATE_PREVIEWING;
2434 result.status = rc;
2435 result.request_api = evt;
2436 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2437 m_parent->signalAPIResult(&result);
2438 }
2439 break;
2440 case QCAMERA_SM_EVT_STOP_PREVIEW:
2441 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]2442 if (m_parent->isZSLMode()) {
2443 // cancel picture first
2444 rc = m_parent->cancelPicture();
2445 m_parent->stopChannel(QCAMERA_CH_TYPE_ZSL);
2446 } else {
2447 rc = m_parent->cancelLiveSnapshot();
2448 m_parent->stopChannel(QCAMERA_CH_TYPE_PREVIEW);
2449 }
2450 // unprepare preview
2451 m_parent->unpreparePreview();
2452 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2453 result.status = rc;
2454 result.request_api = evt;
2455 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2456 m_parent->signalAPIResult(&result);
2457 }
2458 break;
2459 case QCAMERA_SM_EVT_START_RECORDING:
2460 {
2461 rc = m_parent->stopRecording();
2462 if (rc == NO_ERROR) {
2463 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
2464 }
2465 result.status = rc;
2466 result.request_api = evt;
2467 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2468 m_parent->signalAPIResult(&result);
2469 }
2470 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2471 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2472 {
2473 int32_t faceID = 0;
2474 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2475 (qcamera_sm_evt_reg_face_payload_t *)payload;
2476 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2477 reg_payload->config,
2478 faceID);
2479 result.status = rc;
2480 result.request_api = evt;
2481 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2482 result.handle = faceID;
2483 m_parent->signalAPIResult(&result);
2484 }
2485 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2486 case QCAMERA_SM_EVT_STOP_RECORDING:
2487 case QCAMERA_SM_EVT_START_PREVIEW:
2488 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2489 case QCAMERA_SM_EVT_TAKE_PICTURE:
2490 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
2491 case QCAMERA_SM_EVT_RELEASE:
2492 {
2493 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2494 rc = INVALID_OPERATION;
2495 result.status = rc;
2496 result.request_api = evt;
2497 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2498 m_parent->signalAPIResult(&result);
2499 }
2500 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2501 case QCAMERA_SM_EVT_EVT_INTERNAL:
2502 {
2503 qcamera_sm_internal_evt_payload_t *internal_evt =
2504 (qcamera_sm_internal_evt_payload_t *)payload;
2505 switch (internal_evt->evt_type) {
2506 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2507 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2508 break;
2509 default:
2510 break;
2511 }
2512 }
2513 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2514 case QCAMERA_SM_EVT_EVT_NOTIFY:
2515 {
2516 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2517 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2518 case CAM_EVENT_TYPE_DAEMON_DIED:
2519 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2520 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
2521 CAMERA_ERROR_SERVER_DIED,
2522 0);
2523 }
2524 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2525 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2526 ALOGE("%s: Invalid internal event %d in state(%d)",
2527 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2528 break;
2529 }
2530 }
2531 break;
2532 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2533 {
2534 qcamera_jpeg_evt_payload_t *jpeg_job =
2535 (qcamera_jpeg_evt_payload_t *)payload;
2536 rc = m_parent->processJpegNotify(jpeg_job);
2537 }
2538 break;
2539 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2540 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2541 if (m_parent->isZSLMode()) {
2542 rc = m_parent->cancelPicture();
2543 } else {
2544 rc = m_parent->cancelLiveSnapshot();
2545 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2546 m_state = QCAMERA_SM_STATE_PREVIEWING;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]2547 result.status = rc;
2548 result.request_api = evt;
2549 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2550 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2551 }
2552 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2553 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2554 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2555 rc = m_parent->updateThermalLevel(
2556 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2557 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2558 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2559 default:
2560 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2561 break;
2562 }
2563
2564 return rc;
2565}
2566
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2567/*===========================================================================
2568 * FUNCTION : isPreviewRunning
2569 *
2570 * DESCRIPTION: check if preview is in process.
2571 *
2572 * PARAMETERS : None
2573 *
2574 * RETURN : true -- preview running
2575 * false -- preview stopped
2576 *==========================================================================*/
2577bool QCameraStateMachine::isPreviewRunning()
2578{
2579 switch (m_state) {
2580 case QCAMERA_SM_STATE_PREVIEWING:
2581 case QCAMERA_SM_STATE_RECORDING:
2582 case QCAMERA_SM_STATE_VIDEO_PIC_TAKING:
2583 case QCAMERA_SM_STATE_PREVIEW_PIC_TAKING:
Muhua Libf818e52013-04-23 18:05:26 -0700[diff] [blame]2584 case QCAMERA_SM_STATE_PREPARE_SNAPSHOT:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2585 return true;
2586 default:
2587 return false;
2588 }
2589}
2590
Shuzhen Wang89635cf2012-12-20 13:47:22 -0800[diff] [blame]2591}; // namespace qcamera