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gerrit-public.fairphone.software / fp2-dev / platform / hardware / qcom / camera / c5cd8c7a331d43b7966328e4f634ce5c60c00c90 / . / QCamera2 / HAL / QCameraStateMachine.cpp
blob: 78fa46e3beb9cfe64f7c957030a8de7e45aa558d [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) {
Muhua Li6f3c5322013-05-08 17:20:17 -0700[diff] [blame]1276 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1277 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1278 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1279 case QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE:
1280 ALOGI("%s: Received QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE event",
1281 __func__);
1282 m_parent->processPrepSnapshotDoneEvent(internal_evt->prep_snapshot_state);
1283 m_state = QCAMERA_SM_STATE_PREVIEWING;
1284
1285 result.status = NO_ERROR;
1286 result.request_api = QCAMERA_SM_EVT_PREPARE_SNAPSHOT;
1287 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1288 m_parent->signalAPIResult(&result);
1289 break;
1290 default:
1291 ALOGE("%s: Invalid internal event %d in state(%d)",
1292 __func__, internal_evt->evt_type, m_state);
1293 break;
1294 }
1295 }
1296 break;
1297 case QCAMERA_SM_EVT_EVT_NOTIFY:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1298 {
1299 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1300 switch (cam_evt->server_event_type) {
1301 case CAM_EVENT_TYPE_DAEMON_DIED:
1302 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1303 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1304 CAMERA_ERROR_SERVER_DIED,
1305 0);
1306 }
1307 break;
1308 default:
1309 ALOGE("%s: Invalid internal event %d in state(%d)",
1310 __func__, cam_evt->server_event_type, m_state);
1311 break;
1312 }
1313 }
1314 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1315 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
1316 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1317 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1318 default:
1319 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1320 break;
1321 }
1322
1323 return rc;
1324}
1325
1326/*===========================================================================
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1327 * FUNCTION : procEvtPicTakingState
1328 *
1329 * DESCRIPTION: finite state machine function to handle event in state of
1330 * QCAMERA_SM_STATE_PIC_TAKING.
1331 *
1332 * PARAMETERS :
1333 * @evt : event to be processed
1334 * @payload : event payload. Can be NULL if not needed.
1335 *
1336 * RETURN : int32_t type of status
1337 * NO_ERROR -- success
1338 * none-zero failure code
1339 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1340int32_t QCameraStateMachine::procEvtPicTakingState(qcamera_sm_evt_enum_t evt,
1341 void *payload)
1342{
1343 int32_t rc = NO_ERROR;
1344 qcamera_api_result_t result;
1345 memset(&result, 0, sizeof(qcamera_api_result_t));
1346
1347 switch (evt) {
1348 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1349 {
1350 // Error setting preview window during previewing
1351 ALOGE("Cannot set preview window when preview is running");
1352 rc = INVALID_OPERATION;
1353 result.status = rc;
1354 result.request_api = evt;
1355 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1356 m_parent->signalAPIResult(&result);
1357 }
1358 break;
1359 case QCAMERA_SM_EVT_SET_CALLBACKS:
1360 {
1361 qcamera_sm_evt_setcb_payload_t *setcbs =
1362 (qcamera_sm_evt_setcb_payload_t *)payload;
1363 rc = m_parent->setCallBacks(setcbs->notify_cb,
1364 setcbs->data_cb,
1365 setcbs->data_cb_timestamp,
1366 setcbs->get_memory,
1367 setcbs->user);
1368 result.status = rc;
1369 result.request_api = evt;
1370 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1371 m_parent->signalAPIResult(&result);
1372 }
1373 break;
1374 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1375 {
1376 rc = m_parent->enableMsgType(int32_t(payload));
1377 result.status = rc;
1378 result.request_api = evt;
1379 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1380 m_parent->signalAPIResult(&result);
1381 }
1382 break;
1383 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1384 {
1385 rc = m_parent->disableMsgType(int32_t(payload));
1386 result.status = rc;
1387 result.request_api = evt;
1388 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1389 m_parent->signalAPIResult(&result);
1390 }
1391 break;
1392 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1393 {
1394 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1395 result.status = rc;
1396 result.request_api = evt;
1397 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1398 result.enabled = enabled;
1399 m_parent->signalAPIResult(&result);
1400 }
1401 break;
1402 case QCAMERA_SM_EVT_SET_PARAMS:
1403 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1404 bool needRestart = false;
1405 rc = m_parent->updateParameters((char*)payload, needRestart);
1406 if (rc == NO_ERROR) {
1407 rc = m_parent->commitParameterChanges();
1408 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1409 result.status = rc;
1410 result.request_api = evt;
1411 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1412 m_parent->signalAPIResult(&result);
1413 }
1414 break;
1415 case QCAMERA_SM_EVT_GET_PARAMS:
1416 {
1417 result.params = m_parent->getParameters();
1418 rc = NO_ERROR;
1419 result.status = rc;
1420 result.request_api = evt;
1421 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1422 m_parent->signalAPIResult(&result);
1423 }
1424 break;
1425 case QCAMERA_SM_EVT_PUT_PARAMS:
1426 {
1427 rc = m_parent->putParameters((char*)payload);
1428 result.status = rc;
1429 result.request_api = evt;
1430 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1431 m_parent->signalAPIResult(&result);
1432 }
1433 break;
1434 case QCAMERA_SM_EVT_STOP_PREVIEW:
1435 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]1436 // cancel picture first
1437 rc = m_parent->cancelPicture();
1438 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1439
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1440 result.status = rc;
1441 result.request_api = evt;
1442 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1443 m_parent->signalAPIResult(&result);
1444 }
1445 break;
1446 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1447 {
1448 rc = NO_ERROR;
1449 result.status = rc;
1450 result.request_api = evt;
1451 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1452 result.enabled = 0;
1453 m_parent->signalAPIResult(&result);
1454 }
1455 break;
1456 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1457 {
1458 rc = NO_ERROR;
1459 result.status = rc;
1460 result.request_api = evt;
1461 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1462 result.enabled = 0;
1463 m_parent->signalAPIResult(&result);
1464 }
1465 break;
1466 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1467 {
1468 rc = m_parent->storeMetaDataInBuffers(int(payload));
1469 result.status = rc;
1470 result.request_api = evt;
1471 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1472 m_parent->signalAPIResult(&result);
1473 }
1474 break;
1475 case QCAMERA_SM_EVT_DUMP:
1476 {
1477 rc = m_parent->dump((int)payload);
1478 result.status = rc;
1479 result.request_api = evt;
1480 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1481 m_parent->signalAPIResult(&result);
1482 }
1483 break;
1484 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1485 {
1486 rc = m_parent->autoFocus();
1487 result.status = rc;
1488 result.request_api = evt;
1489 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1490 m_parent->signalAPIResult(&result);
1491 }
1492 break;
1493 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1494 {
1495 rc = m_parent->cancelAutoFocus();
1496 result.status = rc;
1497 result.request_api = evt;
1498 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1499 m_parent->signalAPIResult(&result);
1500 }
1501 break;
1502 case QCAMERA_SM_EVT_SEND_COMMAND:
1503 {
1504 qcamera_sm_evt_command_payload_t *cmd_payload =
1505 (qcamera_sm_evt_command_payload_t *)payload;
1506 rc = m_parent->sendCommand(cmd_payload->cmd,
1507 cmd_payload->arg1,
1508 cmd_payload->arg2);
1509 result.status = rc;
1510 result.request_api = evt;
1511 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1512 m_parent->signalAPIResult(&result);
1513 }
1514 break;
1515 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1516 {
1517 rc = m_parent->cancelPicture();
1518 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1519 result.status = rc;
1520 result.request_api = evt;
1521 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1522 m_parent->signalAPIResult(&result);
1523 }
1524 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1525 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1526 {
1527 int32_t faceID = 0;
1528 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1529 (qcamera_sm_evt_reg_face_payload_t *)payload;
1530 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1531 reg_payload->config,
1532 faceID);
1533 result.status = rc;
1534 result.request_api = evt;
1535 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1536 result.handle = faceID;
1537 m_parent->signalAPIResult(&result);
1538 }
1539 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1540 case QCAMERA_SM_EVT_TAKE_PICTURE:
1541 case QCAMERA_SM_EVT_START_RECORDING:
1542 case QCAMERA_SM_EVT_STOP_RECORDING:
1543 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1544 case QCAMERA_SM_EVT_START_PREVIEW:
1545 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1546 case QCAMERA_SM_EVT_RELEASE:
1547 {
1548 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1549 rc = INVALID_OPERATION;
1550 result.status = rc;
1551 result.request_api = evt;
1552 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1553 m_parent->signalAPIResult(&result);
1554 }
1555 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1556 case QCAMERA_SM_EVT_EVT_INTERNAL:
1557 {
1558 qcamera_sm_internal_evt_payload_t *internal_evt =
1559 (qcamera_sm_internal_evt_payload_t *)payload;
1560 switch (internal_evt->evt_type) {
1561 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1562 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1563 break;
1564 default:
1565 break;
1566 }
1567 }
1568 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1569 case QCAMERA_SM_EVT_EVT_NOTIFY:
1570 {
1571 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1572 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1573 case CAM_EVENT_TYPE_DAEMON_DIED:
1574 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1575 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1576 CAMERA_ERROR_SERVER_DIED,
1577 0);
1578 }
1579 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1580 default:
1581 ALOGD("%s: no handling for server evt (%d) at this state",
1582 __func__, cam_evt->server_event_type);
1583 break;
1584 }
1585 }
1586 break;
1587 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1588 {
1589 qcamera_jpeg_evt_payload_t *jpeg_job =
1590 (qcamera_jpeg_evt_payload_t *)payload;
1591 rc = m_parent->processJpegNotify(jpeg_job);
1592 }
1593 break;
1594 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1595 {
1596 rc = m_parent->cancelPicture();
1597 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]1598 result.status = rc;
1599 result.request_api = evt;
1600 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1601 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1602 }
1603 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1604 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peev2ae455e2013-04-18 10:41:56 +0300[diff] [blame]1605 {
1606 rc = m_parent->updateThermalLevel(
1607 *(qcamera_thermal_level_enum_t *)&payload);
1608 }
1609 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1610 default:
1611 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1612 break;
1613 }
1614
1615 return rc;
1616}
1617
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1618/*===========================================================================
1619 * FUNCTION : procEvtRecordingState
1620 *
1621 * DESCRIPTION: finite state machine function to handle event in state of
1622 * QCAMERA_SM_STATE_RECORDING.
1623 *
1624 * PARAMETERS :
1625 * @evt : event to be processed
1626 * @payload : event payload. Can be NULL if not needed.
1627 *
1628 * RETURN : int32_t type of status
1629 * NO_ERROR -- success
1630 * none-zero failure code
1631 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1632int32_t QCameraStateMachine::procEvtRecordingState(qcamera_sm_evt_enum_t evt,
1633 void *payload)
1634{
1635 int32_t rc = NO_ERROR;
1636 qcamera_api_result_t result;
1637 memset(&result, 0, sizeof(qcamera_api_result_t));
1638
1639 switch (evt) {
1640 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1641 {
1642 // Error setting preview window during previewing
1643 ALOGE("Cannot set preview window when preview is running");
1644 rc = INVALID_OPERATION;
1645 result.status = rc;
1646 result.request_api = evt;
1647 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1648 m_parent->signalAPIResult(&result);
1649 }
1650 break;
1651 case QCAMERA_SM_EVT_SET_CALLBACKS:
1652 {
1653 qcamera_sm_evt_setcb_payload_t *setcbs =
1654 (qcamera_sm_evt_setcb_payload_t *)payload;
1655 rc = m_parent->setCallBacks(setcbs->notify_cb,
1656 setcbs->data_cb,
1657 setcbs->data_cb_timestamp,
1658 setcbs->get_memory,
1659 setcbs->user);
1660 result.status = rc;
1661 result.request_api = evt;
1662 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1663 m_parent->signalAPIResult(&result);
1664 }
1665 break;
1666 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1667 {
1668 rc = m_parent->enableMsgType(int32_t(payload));
1669 result.status = rc;
1670 result.request_api = evt;
1671 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1672 m_parent->signalAPIResult(&result);
1673 }
1674 break;
1675 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1676 {
1677 rc = m_parent->disableMsgType(int32_t(payload));
1678 result.status = rc;
1679 result.request_api = evt;
1680 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1681 m_parent->signalAPIResult(&result);
1682 }
1683 break;
1684 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1685 {
1686 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1687 result.status = rc;
1688 result.request_api = evt;
1689 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1690 result.enabled = enabled;
1691 m_parent->signalAPIResult(&result);
1692 }
1693 break;
1694 case QCAMERA_SM_EVT_SET_PARAMS:
1695 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1696 bool needRestart = false;
1697 rc = m_parent->updateParameters((char*)payload, needRestart);
1698 if (rc == NO_ERROR) {
1699 if (needRestart) {
1700 // cannot set parameters that requires restart during recording
1701 ALOGE("%s: Cannot set parameters that requires restart during recording",
1702 __func__);
1703 rc = BAD_VALUE;
1704 } else {
1705 rc = m_parent->commitParameterChanges();
1706 }
1707 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1708 result.status = rc;
1709 result.request_api = evt;
1710 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1711 m_parent->signalAPIResult(&result);
1712 }
1713 break;
1714 case QCAMERA_SM_EVT_GET_PARAMS:
1715 {
1716 result.params = m_parent->getParameters();
1717 rc = NO_ERROR;
1718 result.status = rc;
1719 result.request_api = evt;
1720 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1721 m_parent->signalAPIResult(&result);
1722 }
1723 break;
1724 case QCAMERA_SM_EVT_PUT_PARAMS:
1725 {
1726 rc = m_parent->putParameters((char*)payload);
1727 result.status = rc;
1728 result.request_api = evt;
1729 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1730 m_parent->signalAPIResult(&result);
1731 }
1732 break;
1733 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1734 {
1735 rc = NO_ERROR;
1736 result.status = rc;
1737 result.request_api = evt;
1738 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1739 result.enabled = 0;
1740 m_parent->signalAPIResult(&result);
1741 }
1742 break;
1743 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1744 {
1745 rc = NO_ERROR;
1746 result.status = rc;
1747 result.request_api = evt;
1748 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1749 result.enabled = 1;
1750 m_parent->signalAPIResult(&result);
1751 }
1752 break;
1753 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1754 {
1755 rc = m_parent->storeMetaDataInBuffers(int(payload));
1756 result.status = rc;
1757 result.request_api = evt;
1758 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1759 m_parent->signalAPIResult(&result);
1760 }
1761 break;
1762 case QCAMERA_SM_EVT_DUMP:
1763 {
1764 rc = m_parent->dump((int)payload);
1765 result.status = rc;
1766 result.request_api = evt;
1767 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1768 m_parent->signalAPIResult(&result);
1769 }
1770 break;
1771 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1772 {
1773 rc = m_parent->autoFocus();
1774 result.status = rc;
1775 result.request_api = evt;
1776 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1777 m_parent->signalAPIResult(&result);
1778 }
1779 break;
1780 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1781 {
1782 rc = m_parent->cancelAutoFocus();
1783 result.status = rc;
1784 result.request_api = evt;
1785 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1786 m_parent->signalAPIResult(&result);
1787 }
1788 break;
1789 case QCAMERA_SM_EVT_SEND_COMMAND:
1790 {
1791 qcamera_sm_evt_command_payload_t *cmd_payload =
1792 (qcamera_sm_evt_command_payload_t *)payload;
1793 rc = m_parent->sendCommand(cmd_payload->cmd,
1794 cmd_payload->arg1,
1795 cmd_payload->arg2);
1796 result.status = rc;
1797 result.request_api = evt;
1798 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1799 m_parent->signalAPIResult(&result);
1800 }
1801 break;
1802 case QCAMERA_SM_EVT_TAKE_PICTURE:
1803 {
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1804 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1805 rc = m_parent->takeLiveSnapshot();
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1806 if (rc != NO_ERROR) {
1807 m_state = QCAMERA_SM_STATE_RECORDING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1808 }
1809 result.status = rc;
1810 result.request_api = evt;
1811 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1812 m_parent->signalAPIResult(&result);
1813 }
1814 break;
1815 case QCAMERA_SM_EVT_START_RECORDING:
1816 {
1817 // no ops here
1818 ALOGD("%s: already in recording state, no ops for start_recording", __func__);
1819 rc = 0;
1820 result.status = rc;
1821 result.request_api = evt;
1822 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1823 m_parent->signalAPIResult(&result);
1824 }
1825 break;
1826 case QCAMERA_SM_EVT_STOP_RECORDING:
1827 {
1828 rc = m_parent->stopRecording();
1829 m_state = QCAMERA_SM_STATE_PREVIEWING;
1830 result.status = rc;
1831 result.request_api = evt;
1832 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1833 m_parent->signalAPIResult(&result);
1834 }
1835 break;
1836 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1837 {
1838 rc = m_parent->releaseRecordingFrame((const void *)payload);
1839 result.status = rc;
1840 result.request_api = evt;
1841 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1842 m_parent->signalAPIResult(&result);
1843 }
1844 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1845 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1846 {
1847 int32_t faceID = 0;
1848 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1849 (qcamera_sm_evt_reg_face_payload_t *)payload;
1850 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1851 reg_payload->config,
1852 faceID);
1853 result.status = rc;
1854 result.request_api = evt;
1855 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1856 result.handle = faceID;
1857 m_parent->signalAPIResult(&result);
1858 }
1859 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1860 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
1861 {
1862 //In Video snapshot, prepare hardware is a no-op.
1863 result.status = NO_ERROR;
1864 result.request_api = evt;
1865 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1866 m_parent->signalAPIResult(&result);
1867 }
1868 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1869 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1870 case QCAMERA_SM_EVT_START_PREVIEW:
1871 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1872 case QCAMERA_SM_EVT_STOP_PREVIEW:
1873 case QCAMERA_SM_EVT_RELEASE:
1874 {
1875 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1876 rc = INVALID_OPERATION;
1877 result.status = rc;
1878 result.request_api = evt;
1879 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1880 m_parent->signalAPIResult(&result);
1881 }
1882 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1883 case QCAMERA_SM_EVT_EVT_INTERNAL:
1884 {
1885 qcamera_sm_internal_evt_payload_t *internal_evt =
1886 (qcamera_sm_internal_evt_payload_t *)payload;
1887 switch (internal_evt->evt_type) {
1888 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1889 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1890 break;
1891 default:
1892 break;
1893 }
1894 }
1895 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1896 case QCAMERA_SM_EVT_EVT_NOTIFY:
1897 {
1898 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1899 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1900 case CAM_EVENT_TYPE_DAEMON_DIED:
1901 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1902 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
1903 CAMERA_ERROR_SERVER_DIED,
1904 0);
1905 }
1906 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1907 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]1908 ALOGE("%s: Invalid internal event %d in state(%d)",
1909 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1910 break;
1911 }
1912 }
1913 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1914 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1915 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]1916 rc = m_parent->updateThermalLevel(
1917 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1918 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1919 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1920 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1921 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1922 default:
1923 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1924 break;
1925 }
1926
1927 return rc;
1928}
1929
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1930/*===========================================================================
1931 * FUNCTION : procEvtVideoPicTakingState
1932 *
1933 * DESCRIPTION: finite state machine function to handle event in state of
1934 * QCAMERA_SM_STATE_VIDEO_PIC_TAKING.
1935 *
1936 * PARAMETERS :
1937 * @evt : event to be processed
1938 * @payload : event payload. Can be NULL if not needed.
1939 *
1940 * RETURN : int32_t type of status
1941 * NO_ERROR -- success
1942 * none-zero failure code
1943 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1944int32_t QCameraStateMachine::procEvtVideoPicTakingState(qcamera_sm_evt_enum_t evt,
1945 void *payload)
1946{
1947 int32_t rc = NO_ERROR;
1948 qcamera_api_result_t result;
1949 memset(&result, 0, sizeof(qcamera_api_result_t));
1950
1951 switch (evt) {
1952 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1953 {
1954 // Error setting preview window during previewing
1955 ALOGE("Cannot set preview window when preview is running");
1956 rc = INVALID_OPERATION;
1957 result.status = rc;
1958 result.request_api = evt;
1959 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1960 m_parent->signalAPIResult(&result);
1961 }
1962 break;
1963 case QCAMERA_SM_EVT_SET_CALLBACKS:
1964 {
1965 qcamera_sm_evt_setcb_payload_t *setcbs =
1966 (qcamera_sm_evt_setcb_payload_t *)payload;
1967 rc = m_parent->setCallBacks(setcbs->notify_cb,
1968 setcbs->data_cb,
1969 setcbs->data_cb_timestamp,
1970 setcbs->get_memory,
1971 setcbs->user);
1972 result.status = rc;
1973 result.request_api = evt;
1974 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1975 m_parent->signalAPIResult(&result);
1976 }
1977 break;
1978 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1979 {
1980 rc = m_parent->enableMsgType(int32_t(payload));
1981 result.status = rc;
1982 result.request_api = evt;
1983 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1984 m_parent->signalAPIResult(&result);
1985 }
1986 break;
1987 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1988 {
1989 rc = m_parent->disableMsgType(int32_t(payload));
1990 result.status = rc;
1991 result.request_api = evt;
1992 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1993 m_parent->signalAPIResult(&result);
1994 }
1995 break;
1996 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1997 {
1998 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1999 result.status = rc;
2000 result.request_api = evt;
2001 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2002 result.enabled = enabled;
2003 m_parent->signalAPIResult(&result);
2004 }
2005 break;
2006 case QCAMERA_SM_EVT_SET_PARAMS:
2007 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2008 bool needRestart = false;
2009 rc = m_parent->updateParameters((char*)payload, needRestart);
2010 if (rc == NO_ERROR) {
2011 if (needRestart) {
2012 // cannot set parameters that requires restart during recording
2013 ALOGE("%s: Cannot set parameters that requires restart during recording",
2014 __func__);
2015 rc = BAD_VALUE;
2016 } else {
2017 rc = m_parent->commitParameterChanges();
2018 }
2019 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2020 result.status = rc;
2021 result.request_api = evt;
2022 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2023 m_parent->signalAPIResult(&result);
2024 }
2025 break;
2026 case QCAMERA_SM_EVT_GET_PARAMS:
2027 {
2028 result.params = m_parent->getParameters();
2029 rc = NO_ERROR;
2030 result.status = rc;
2031 result.request_api = evt;
2032 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
2033 m_parent->signalAPIResult(&result);
2034 }
2035 break;
2036 case QCAMERA_SM_EVT_PUT_PARAMS:
2037 {
2038 rc = m_parent->putParameters((char*)payload);
2039 result.status = rc;
2040 result.request_api = evt;
2041 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2042 m_parent->signalAPIResult(&result);
2043 }
2044 break;
2045 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
2046 {
2047 rc = NO_ERROR;
2048 result.status = rc;
2049 result.request_api = evt;
2050 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2051 result.enabled = 1;
2052 m_parent->signalAPIResult(&result);
2053 }
2054 break;
2055 case QCAMERA_SM_EVT_RECORDING_ENABLED:
2056 {
2057 rc = NO_ERROR;
2058 result.status = rc;
2059 result.request_api = evt;
2060 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2061 result.enabled = 1;
2062 m_parent->signalAPIResult(&result);
2063 }
2064 break;
2065 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
2066 {
2067 rc = m_parent->storeMetaDataInBuffers(int(payload));
2068 result.status = rc;
2069 result.request_api = evt;
2070 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2071 m_parent->signalAPIResult(&result);
2072 }
2073 break;
2074 case QCAMERA_SM_EVT_DUMP:
2075 {
2076 rc = m_parent->dump((int)payload);
2077 result.status = rc;
2078 result.request_api = evt;
2079 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2080 m_parent->signalAPIResult(&result);
2081 }
2082 break;
2083 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
2084 {
2085 rc = m_parent->autoFocus();
2086 result.status = rc;
2087 result.request_api = evt;
2088 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2089 m_parent->signalAPIResult(&result);
2090 }
2091 break;
2092 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
2093 {
2094 rc = m_parent->cancelAutoFocus();
2095 result.status = rc;
2096 result.request_api = evt;
2097 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2098 m_parent->signalAPIResult(&result);
2099 }
2100 break;
2101 case QCAMERA_SM_EVT_SEND_COMMAND:
2102 {
2103 qcamera_sm_evt_command_payload_t *cmd_payload =
2104 (qcamera_sm_evt_command_payload_t *)payload;
2105 rc = m_parent->sendCommand(cmd_payload->cmd,
2106 cmd_payload->arg1,
2107 cmd_payload->arg2);
2108 result.status = rc;
2109 result.request_api = evt;
2110 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2111 m_parent->signalAPIResult(&result);
2112 }
2113 break;
2114 case QCAMERA_SM_EVT_STOP_RECORDING:
2115 {
2116 rc = m_parent->stopRecording();
2117 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
2118 result.status = rc;
2119 result.request_api = evt;
2120 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2121 m_parent->signalAPIResult(&result);
2122 }
2123 break;
2124 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2125 {
2126 rc = m_parent->releaseRecordingFrame((const void *)payload);
2127 result.status = rc;
2128 result.request_api = evt;
2129 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2130 m_parent->signalAPIResult(&result);
2131 }
2132 break;
2133 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2134 {
2135 rc = m_parent->cancelLiveSnapshot();
2136 m_state = QCAMERA_SM_STATE_RECORDING;
2137 result.status = rc;
2138 result.request_api = evt;
2139 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2140 m_parent->signalAPIResult(&result);
2141 }
2142 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2143 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2144 {
2145 int32_t faceID = 0;
2146 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2147 (qcamera_sm_evt_reg_face_payload_t *)payload;
2148 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2149 reg_payload->config,
2150 faceID);
2151 result.status = rc;
2152 result.request_api = evt;
2153 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2154 result.handle = faceID;
2155 m_parent->signalAPIResult(&result);
2156 }
2157 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2158 case QCAMERA_SM_EVT_START_RECORDING:
2159 case QCAMERA_SM_EVT_START_PREVIEW:
2160 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2161 case QCAMERA_SM_EVT_STOP_PREVIEW:
2162 case QCAMERA_SM_EVT_TAKE_PICTURE:
2163 case QCAMERA_SM_EVT_RELEASE:
2164 {
2165 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2166 rc = INVALID_OPERATION;
2167 result.status = rc;
2168 result.request_api = evt;
2169 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2170 m_parent->signalAPIResult(&result);
2171 }
2172 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2173 case QCAMERA_SM_EVT_EVT_INTERNAL:
2174 {
2175 qcamera_sm_internal_evt_payload_t *internal_evt =
2176 (qcamera_sm_internal_evt_payload_t *)payload;
2177 switch (internal_evt->evt_type) {
2178 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2179 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2180 break;
2181 default:
2182 break;
2183 }
2184 }
2185 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2186 case QCAMERA_SM_EVT_EVT_NOTIFY:
2187 {
2188 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2189 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2190 case CAM_EVENT_TYPE_DAEMON_DIED:
2191 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2192 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
2193 CAMERA_ERROR_SERVER_DIED,
2194 0);
2195 }
2196 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2197 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2198 ALOGE("%s: Invalid internal event %d in state(%d)",
2199 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2200 break;
2201 }
2202 }
2203 break;
2204 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2205 {
2206 qcamera_jpeg_evt_payload_t *jpeg_job =
2207 (qcamera_jpeg_evt_payload_t *)payload;
2208 rc = m_parent->processJpegNotify(jpeg_job);
2209 }
2210 break;
2211 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2212 {
2213 rc = m_parent->cancelLiveSnapshot();
2214 m_state = QCAMERA_SM_STATE_RECORDING;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]2215 result.status = rc;
2216 result.request_api = evt;
2217 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2218 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2219 }
2220 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2221 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2222 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2223 rc = m_parent->updateThermalLevel(
2224 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2225 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2226 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2227 default:
2228 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2229 break;
2230 }
2231
2232 return rc;
2233}
2234
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2235/*===========================================================================
2236 * FUNCTION : procEvtPreviewPicTakingState
2237 *
2238 * DESCRIPTION: finite state machine function to handle event in state of
2239 * QCAMERA_SM_STATE_PREVIEW_PIC_TAKING.
2240 *
2241 * PARAMETERS :
2242 * @evt : event to be processed
2243 * @payload : event payload. Can be NULL if not needed.
2244 *
2245 * RETURN : int32_t type of status
2246 * NO_ERROR -- success
2247 * none-zero failure code
2248 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2249int32_t QCameraStateMachine::procEvtPreviewPicTakingState(qcamera_sm_evt_enum_t evt,
2250 void *payload)
2251{
2252 int32_t rc = NO_ERROR;
2253 qcamera_api_result_t result;
2254 memset(&result, 0, sizeof(qcamera_api_result_t));
2255
2256 switch (evt) {
2257 case QCAMERA_SM_EVT_SET_CALLBACKS:
2258 {
2259 qcamera_sm_evt_setcb_payload_t *setcbs =
2260 (qcamera_sm_evt_setcb_payload_t *)payload;
2261 rc = m_parent->setCallBacks(setcbs->notify_cb,
2262 setcbs->data_cb,
2263 setcbs->data_cb_timestamp,
2264 setcbs->get_memory,
2265 setcbs->user);
2266 result.status = rc;
2267 result.request_api = evt;
2268 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2269 m_parent->signalAPIResult(&result);
2270 }
2271 break;
2272 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
2273 {
2274 rc = m_parent->enableMsgType(int32_t(payload));
2275 result.status = rc;
2276 result.request_api = evt;
2277 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2278 m_parent->signalAPIResult(&result);
2279 }
2280 break;
2281 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
2282 {
2283 rc = m_parent->disableMsgType(int32_t(payload));
2284 result.status = rc;
2285 result.request_api = evt;
2286 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2287 m_parent->signalAPIResult(&result);
2288 }
2289 break;
2290 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
2291 {
2292 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
2293 result.status = rc;
2294 result.request_api = evt;
2295 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2296 result.enabled = enabled;
2297 m_parent->signalAPIResult(&result);
2298 }
2299 break;
2300 case QCAMERA_SM_EVT_SET_PARAMS:
2301 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2302 bool needRestart = false;
2303 rc = m_parent->updateParameters((char*)payload, needRestart);
2304 if (rc == NO_ERROR) {
2305 if (needRestart) {
2306 // need restart preview for parameters to take effect
2307 // stop preview
2308 m_parent->stopPreview();
2309 // commit parameter changes to server
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2310 m_parent->commitParameterChanges();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2311 // start preview again
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2312 rc = m_parent->preparePreview();
2313 if (rc == NO_ERROR) {
2314 rc = m_parent->startPreview();
2315 if (rc != NO_ERROR) {
2316 m_parent->unpreparePreview();
2317 }
2318 }
2319 if (rc != NO_ERROR) {
2320 m_state = QCAMERA_SM_STATE_PIC_TAKING;
2321 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2322 } else {
2323 rc = m_parent->commitParameterChanges();
2324 }
2325 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2326 result.status = rc;
2327 result.request_api = evt;
2328 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2329 m_parent->signalAPIResult(&result);
2330 }
2331 break;
2332 case QCAMERA_SM_EVT_GET_PARAMS:
2333 {
2334 result.params = m_parent->getParameters();
2335 rc = NO_ERROR;
2336 result.status = rc;
2337 result.request_api = evt;
2338 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
2339 m_parent->signalAPIResult(&result);
2340 }
2341 break;
2342 case QCAMERA_SM_EVT_PUT_PARAMS:
2343 {
2344 rc = m_parent->putParameters((char*)payload);
2345 result.status = rc;
2346 result.request_api = evt;
2347 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2348 m_parent->signalAPIResult(&result);
2349 }
2350 break;
2351 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
2352 {
2353 rc = NO_ERROR;
2354 result.status = rc;
2355 result.request_api = evt;
2356 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2357 result.enabled = 1;
2358 m_parent->signalAPIResult(&result);
2359 }
2360 break;
2361 case QCAMERA_SM_EVT_RECORDING_ENABLED:
2362 {
2363 rc = NO_ERROR;
2364 result.status = rc;
2365 result.request_api = evt;
2366 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2367 result.enabled = 0;
2368 m_parent->signalAPIResult(&result);
2369 }
2370 break;
2371 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
2372 {
2373 rc = m_parent->storeMetaDataInBuffers(int(payload));
2374 result.status = rc;
2375 result.request_api = evt;
2376 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2377 m_parent->signalAPIResult(&result);
2378 }
2379 break;
2380 case QCAMERA_SM_EVT_DUMP:
2381 {
2382 rc = m_parent->dump((int)payload);
2383 result.status = rc;
2384 result.request_api = evt;
2385 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2386 m_parent->signalAPIResult(&result);
2387 }
2388 break;
2389 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
2390 {
2391 rc = m_parent->autoFocus();
2392 result.status = rc;
2393 result.request_api = evt;
2394 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2395 m_parent->signalAPIResult(&result);
2396 }
2397 break;
2398 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
2399 {
2400 rc = m_parent->cancelAutoFocus();
2401 result.status = rc;
2402 result.request_api = evt;
2403 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2404 m_parent->signalAPIResult(&result);
2405 }
2406 break;
2407 case QCAMERA_SM_EVT_SEND_COMMAND:
2408 {
2409 qcamera_sm_evt_command_payload_t *cmd_payload =
2410 (qcamera_sm_evt_command_payload_t *)payload;
2411 rc = m_parent->sendCommand(cmd_payload->cmd,
2412 cmd_payload->arg1,
2413 cmd_payload->arg2);
2414 result.status = rc;
2415 result.request_api = evt;
2416 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2417 m_parent->signalAPIResult(&result);
2418 }
2419 break;
2420 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2421 {
2422 rc = m_parent->releaseRecordingFrame((const void *)payload);
2423 result.status = rc;
2424 result.request_api = evt;
2425 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2426 m_parent->signalAPIResult(&result);
2427 }
2428 break;
2429 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2430 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2431 if (m_parent->isZSLMode()) {
2432 rc = m_parent->cancelPicture();
2433 } else {
2434 rc = m_parent->cancelLiveSnapshot();
2435 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2436 m_state = QCAMERA_SM_STATE_PREVIEWING;
2437 result.status = rc;
2438 result.request_api = evt;
2439 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2440 m_parent->signalAPIResult(&result);
2441 }
2442 break;
2443 case QCAMERA_SM_EVT_STOP_PREVIEW:
2444 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]2445 if (m_parent->isZSLMode()) {
2446 // cancel picture first
2447 rc = m_parent->cancelPicture();
2448 m_parent->stopChannel(QCAMERA_CH_TYPE_ZSL);
2449 } else {
2450 rc = m_parent->cancelLiveSnapshot();
2451 m_parent->stopChannel(QCAMERA_CH_TYPE_PREVIEW);
2452 }
2453 // unprepare preview
2454 m_parent->unpreparePreview();
2455 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2456 result.status = rc;
2457 result.request_api = evt;
2458 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2459 m_parent->signalAPIResult(&result);
2460 }
2461 break;
2462 case QCAMERA_SM_EVT_START_RECORDING:
2463 {
Muhua Licf1cf672013-05-10 09:42:50 -0700[diff] [blame]2464 if (m_parent->isZSLMode()) {
2465 ALOGE("%s: cannot handle evt(%d) in state(%d) in ZSL mode",
2466 __func__, evt, m_state);
2467 rc = INVALID_OPERATION;
2468 } else {
2469 rc = m_parent->startRecording();
2470 if (rc == NO_ERROR) {
2471 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
2472 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2473 }
2474 result.status = rc;
2475 result.request_api = evt;
2476 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2477 m_parent->signalAPIResult(&result);
2478 }
2479 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2480 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2481 {
2482 int32_t faceID = 0;
2483 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2484 (qcamera_sm_evt_reg_face_payload_t *)payload;
2485 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2486 reg_payload->config,
2487 faceID);
2488 result.status = rc;
2489 result.request_api = evt;
2490 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2491 result.handle = faceID;
2492 m_parent->signalAPIResult(&result);
2493 }
2494 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2495 case QCAMERA_SM_EVT_STOP_RECORDING:
2496 case QCAMERA_SM_EVT_START_PREVIEW:
2497 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2498 case QCAMERA_SM_EVT_TAKE_PICTURE:
2499 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
2500 case QCAMERA_SM_EVT_RELEASE:
2501 {
2502 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2503 rc = INVALID_OPERATION;
2504 result.status = rc;
2505 result.request_api = evt;
2506 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2507 m_parent->signalAPIResult(&result);
2508 }
2509 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2510 case QCAMERA_SM_EVT_EVT_INTERNAL:
2511 {
2512 qcamera_sm_internal_evt_payload_t *internal_evt =
2513 (qcamera_sm_internal_evt_payload_t *)payload;
2514 switch (internal_evt->evt_type) {
2515 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2516 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2517 break;
2518 default:
2519 break;
2520 }
2521 }
2522 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2523 case QCAMERA_SM_EVT_EVT_NOTIFY:
2524 {
2525 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2526 switch (cam_evt->server_event_type) {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2527 case CAM_EVENT_TYPE_DAEMON_DIED:
2528 {
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2529 m_parent->sendEvtNotify(CAMERA_MSG_ERROR,
2530 CAMERA_ERROR_SERVER_DIED,
2531 0);
2532 }
2533 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2534 default:
Emilian Peev15690592013-04-19 09:55:40 +0300[diff] [blame]2535 ALOGE("%s: Invalid internal event %d in state(%d)",
2536 __func__, cam_evt->server_event_type, m_state);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2537 break;
2538 }
2539 }
2540 break;
2541 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2542 {
2543 qcamera_jpeg_evt_payload_t *jpeg_job =
2544 (qcamera_jpeg_evt_payload_t *)payload;
2545 rc = m_parent->processJpegNotify(jpeg_job);
2546 }
2547 break;
2548 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2549 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2550 if (m_parent->isZSLMode()) {
2551 rc = m_parent->cancelPicture();
2552 } else {
2553 rc = m_parent->cancelLiveSnapshot();
2554 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2555 m_state = QCAMERA_SM_STATE_PREVIEWING;
Emilian Peev6d90c1f2013-04-12 09:33:06 +0300[diff] [blame]2556 result.status = rc;
2557 result.request_api = evt;
2558 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2559 m_parent->signalEvtResult(&result);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2560 }
2561 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2562 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2563 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2564 rc = m_parent->updateThermalLevel(
2565 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2566 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2567 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2568 default:
2569 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2570 break;
2571 }
2572
2573 return rc;
2574}
2575
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2576/*===========================================================================
2577 * FUNCTION : isPreviewRunning
2578 *
2579 * DESCRIPTION: check if preview is in process.
2580 *
2581 * PARAMETERS : None
2582 *
2583 * RETURN : true -- preview running
2584 * false -- preview stopped
2585 *==========================================================================*/
2586bool QCameraStateMachine::isPreviewRunning()
2587{
2588 switch (m_state) {
2589 case QCAMERA_SM_STATE_PREVIEWING:
2590 case QCAMERA_SM_STATE_RECORDING:
2591 case QCAMERA_SM_STATE_VIDEO_PIC_TAKING:
2592 case QCAMERA_SM_STATE_PREVIEW_PIC_TAKING:
Muhua Libf818e52013-04-23 18:05:26 -0700[diff] [blame]2593 case QCAMERA_SM_STATE_PREPARE_SNAPSHOT:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2594 return true;
2595 default:
2596 return false;
2597 }
2598}
2599
Shuzhen Wang89635cf2012-12-20 13:47:22 -0800[diff] [blame]2600}; // namespace qcamera