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gerrit-public.fairphone.software / fp2-dev / platform / hardware / qcom / camera / e68e8dd17dac3e6c960dfde0e7b18e66b38fb035 / . / QCamera2 / HAL / QCameraStateMachine.cpp
blob: 3fc050d7af1c338130089a754291933619c9c662 [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;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]537 case QCAMERA_SM_EVT_EVT_INTERNAL:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]538 case QCAMERA_SM_EVT_EVT_NOTIFY:
539 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]540 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]541 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]542 default:
543 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
544 break;
545 }
546
547 return rc;
548}
549
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]550/*===========================================================================
551 * FUNCTION : procEvtPreviewReadyState
552 *
553 * DESCRIPTION: finite state machine function to handle event in state of
554 * QCAMERA_SM_STATE_PREVIEW_READY.
555 *
556 * PARAMETERS :
557 * @evt : event to be processed
558 * @payload : event payload. Can be NULL if not needed.
559 *
560 * RETURN : int32_t type of status
561 * NO_ERROR -- success
562 * none-zero failure code
563 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]564int32_t QCameraStateMachine::procEvtPreviewReadyState(qcamera_sm_evt_enum_t evt,
565 void *payload)
566{
567 int32_t rc = NO_ERROR;
568 qcamera_api_result_t result;
569 memset(&result, 0, sizeof(qcamera_api_result_t));
570
571 switch (evt) {
572 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
573 {
574 m_parent->setPreviewWindow((struct preview_stream_ops *)payload);
575 if (m_parent->mPreviewWindow != NULL) {
576 rc = m_parent->startPreview();
577 if (rc != NO_ERROR) {
578 m_parent->unpreparePreview();
579 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
580 } else {
581 m_state = QCAMERA_SM_STATE_PREVIEWING;
582 }
583 }
584
585 result.status = rc;
586 result.request_api = evt;
587 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
588 m_parent->signalAPIResult(&result);
589 }
590 break;
591 case QCAMERA_SM_EVT_SET_CALLBACKS:
592 {
593 qcamera_sm_evt_setcb_payload_t *setcbs =
594 (qcamera_sm_evt_setcb_payload_t *)payload;
595 rc = m_parent->setCallBacks(setcbs->notify_cb,
596 setcbs->data_cb,
597 setcbs->data_cb_timestamp,
598 setcbs->get_memory,
599 setcbs->user);
600 result.status = rc;
601 result.request_api = evt;
602 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
603 m_parent->signalAPIResult(&result);
604 }
605 break;
606 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
607 {
608 rc = m_parent->enableMsgType(int32_t(payload));
609 result.status = rc;
610 result.request_api = evt;
611 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
612 m_parent->signalAPIResult(&result);
613 }
614 break;
615 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
616 {
617 rc = m_parent->disableMsgType(int32_t(payload));
618 result.status = rc;
619 result.request_api = evt;
620 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
621 m_parent->signalAPIResult(&result);
622 }
623 break;
624 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
625 {
626 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
627 result.status = rc;
628 result.request_api = evt;
629 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
630 result.enabled = enabled;
631 m_parent->signalAPIResult(&result);
632 }
633 break;
634 case QCAMERA_SM_EVT_SET_PARAMS:
635 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]636 bool needRestart = false;
637 rc = m_parent->updateParameters((char*)payload, needRestart);
638 if (rc == NO_ERROR) {
Muhua Li6d69e932013-01-24 16:39:27 -0800[diff] [blame]639 if (needRestart) {
640 // need restart preview for parameters to take effect
641 m_parent->unpreparePreview();
642 // commit parameter changes to server
643 m_parent->commitParameterChanges();
644 // prepare preview again
645 rc = m_parent->preparePreview();
646 if (rc != NO_ERROR) {
647 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
648 }
649 } else {
650 rc = m_parent->commitParameterChanges();
651 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]652 }
Muhua Li6d69e932013-01-24 16:39:27 -0800[diff] [blame]653
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]654 result.status = rc;
655 result.request_api = evt;
656 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
657 m_parent->signalAPIResult(&result);
658 }
659 break;
660 case QCAMERA_SM_EVT_GET_PARAMS:
661 {
662 result.params = m_parent->getParameters();
663 rc = NO_ERROR;
664 result.status = rc;
665 result.request_api = evt;
666 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
667 m_parent->signalAPIResult(&result);
668 }
669 break;
670 case QCAMERA_SM_EVT_PUT_PARAMS:
671 {
672 rc = m_parent->putParameters((char*)payload);
673 result.status = rc;
674 result.request_api = evt;
675 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
676 m_parent->signalAPIResult(&result);
677 }
678 break;
679 case QCAMERA_SM_EVT_START_PREVIEW:
680 {
681 // no ops here
682 rc = NO_ERROR;
683 result.status = rc;
684 result.request_api = evt;
685 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
686 m_parent->signalAPIResult(&result);
687 }
688 break;
689 case QCAMERA_SM_EVT_STOP_PREVIEW:
690 {
691 m_parent->unpreparePreview();
692 rc = 0;
693 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
694 result.status = rc;
695 result.request_api = evt;
696 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
697 m_parent->signalAPIResult(&result);
698 }
699 break;
700 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
701 {
702 rc = NO_ERROR;
703 result.status = rc;
704 result.request_api = evt;
705 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
706 result.enabled = 1;
707 m_parent->signalAPIResult(&result);
708 }
709 break;
710 case QCAMERA_SM_EVT_RECORDING_ENABLED:
711 {
712 rc = 0;
713 result.status = rc;
714 result.request_api = evt;
715 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
716 result.enabled = 0;
717 m_parent->signalAPIResult(&result);
718 }
719 break;
720 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
721 {
722 rc = m_parent->storeMetaDataInBuffers(int(payload));
723 result.status = rc;
724 result.request_api = evt;
725 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
726 m_parent->signalAPIResult(&result);
727 }
728 break;
729 case QCAMERA_SM_EVT_DUMP:
730 {
731 rc = m_parent->dump((int)payload);
732 result.status = rc;
733 result.request_api = evt;
734 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
735 m_parent->signalAPIResult(&result);
736 }
737 break;
738 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
739 {
740 rc = m_parent->autoFocus();
741 result.status = rc;
742 result.request_api = evt;
743 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
744 m_parent->signalAPIResult(&result);
745 }
746 break;
747 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
748 {
749 rc = m_parent->cancelAutoFocus();
750 result.status = rc;
751 result.request_api = evt;
752 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
753 m_parent->signalAPIResult(&result);
754 }
755 break;
756 case QCAMERA_SM_EVT_SEND_COMMAND:
757 {
758 qcamera_sm_evt_command_payload_t *cmd_payload =
759 (qcamera_sm_evt_command_payload_t *)payload;
760 rc = m_parent->sendCommand(cmd_payload->cmd,
761 cmd_payload->arg1,
762 cmd_payload->arg2);
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;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]769 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
770 {
771 int32_t faceID = 0;
772 qcamera_sm_evt_reg_face_payload_t *reg_payload =
773 (qcamera_sm_evt_reg_face_payload_t *)payload;
774 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
775 reg_payload->config,
776 faceID);
777 result.status = rc;
778 result.request_api = evt;
779 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
780 result.handle = faceID;
781 m_parent->signalAPIResult(&result);
782 }
783 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]784 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
785 case QCAMERA_SM_EVT_START_RECORDING:
786 case QCAMERA_SM_EVT_STOP_RECORDING:
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]787 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]788 case QCAMERA_SM_EVT_TAKE_PICTURE:
789 case QCAMERA_SM_EVT_CANCEL_PICTURE:
790 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
791 case QCAMERA_SM_EVT_RELEASE:
792 {
793 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
794 rc = INVALID_OPERATION;
795 result.status = rc;
796 result.request_api = evt;
797 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
798 m_parent->signalAPIResult(&result);
799 }
800 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]801 case QCAMERA_SM_EVT_EVT_INTERNAL:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]802 case QCAMERA_SM_EVT_EVT_NOTIFY:
803 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]804 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]805 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]806 default:
807 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
808 break;
809 }
810
811 return rc;
812}
813
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]814/*===========================================================================
815 * FUNCTION : procEvtPreviewingState
816 *
817 * DESCRIPTION: finite state machine function to handle event in state of
818 * QCAMERA_SM_STATE_PREVIEWING.
819 *
820 * PARAMETERS :
821 * @evt : event to be processed
822 * @payload : event payload. Can be NULL if not needed.
823 *
824 * RETURN : int32_t type of status
825 * NO_ERROR -- success
826 * none-zero failure code
827 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]828int32_t QCameraStateMachine::procEvtPreviewingState(qcamera_sm_evt_enum_t evt,
829 void *payload)
830{
831 int32_t rc = NO_ERROR;
832 qcamera_api_result_t result;
833 memset(&result, 0, sizeof(qcamera_api_result_t));
834
835 switch (evt) {
836 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
837 {
838 // Error setting preview window during previewing
839 ALOGE("Cannot set preview window when preview is running");
840 rc = INVALID_OPERATION;
841 result.status = rc;
842 result.request_api = evt;
843 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
844 m_parent->signalAPIResult(&result);
845 }
846 break;
847 case QCAMERA_SM_EVT_SET_CALLBACKS:
848 {
849 qcamera_sm_evt_setcb_payload_t *setcbs =
850 (qcamera_sm_evt_setcb_payload_t *)payload;
851 rc = m_parent->setCallBacks(setcbs->notify_cb,
852 setcbs->data_cb,
853 setcbs->data_cb_timestamp,
854 setcbs->get_memory,
855 setcbs->user);
856 result.status = rc;
857 result.request_api = evt;
858 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
859 m_parent->signalAPIResult(&result);
860 }
861 break;
862 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
863 {
864 rc = m_parent->enableMsgType(int32_t(payload));
865 result.status = rc;
866 result.request_api = evt;
867 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
868 m_parent->signalAPIResult(&result);
869 }
870 break;
871 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
872 {
873 rc = m_parent->disableMsgType(int32_t(payload));
874 result.status = rc;
875 result.request_api = evt;
876 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
877 m_parent->signalAPIResult(&result);
878 }
879 break;
880 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
881 {
882 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
883 result.status = rc;
884 result.request_api = evt;
885 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
886 result.enabled = enabled;
887 m_parent->signalAPIResult(&result);
888 }
889 break;
890 case QCAMERA_SM_EVT_SET_PARAMS:
891 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]892 bool needRestart = false;
893 rc = m_parent->updateParameters((char*)payload, needRestart);
894 if (rc == NO_ERROR) {
895 if (needRestart) {
896 // need restart preview for parameters to take effect
897 // stop preview
898 m_parent->stopPreview();
899 // commit parameter changes to server
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]900 m_parent->commitParameterChanges();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]901 // start preview again
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]902 rc = m_parent->preparePreview();
903 if (rc == NO_ERROR) {
904 rc = m_parent->startPreview();
905 if (rc != NO_ERROR) {
906 m_parent->unpreparePreview();
907 }
908 }
909 if (rc != NO_ERROR) {
910 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
911 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]912 } else {
913 rc = m_parent->commitParameterChanges();
914 }
915 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]916 result.status = rc;
917 result.request_api = evt;
918 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
919 m_parent->signalAPIResult(&result);
920 }
921 break;
922 case QCAMERA_SM_EVT_GET_PARAMS:
923 {
924 result.params = m_parent->getParameters();
925 rc = NO_ERROR;
926 result.status = rc;
927 result.request_api = evt;
928 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
929 m_parent->signalAPIResult(&result);
930 }
931 break;
932 case QCAMERA_SM_EVT_PUT_PARAMS:
933 {
934 rc = m_parent->putParameters((char*)payload);
935 result.status = rc;
936 result.request_api = evt;
937 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
938 m_parent->signalAPIResult(&result);
939 }
940 break;
941 case QCAMERA_SM_EVT_START_PREVIEW:
942 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
943 {
944 // no ops here
945 ALOGD("%s: Already in previewing, no ops here to start preview", __func__);
946 rc = NO_ERROR;
947 result.status = rc;
948 result.request_api = evt;
949 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
950 m_parent->signalAPIResult(&result);
951 }
952 break;
953 case QCAMERA_SM_EVT_STOP_PREVIEW:
954 {
955 rc = m_parent->stopPreview();
956 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
957 result.status = rc;
958 result.request_api = evt;
959 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
960 m_parent->signalAPIResult(&result);
961 }
962 break;
963 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
964 {
965 rc = NO_ERROR;
966 result.status = rc;
967 result.request_api = evt;
968 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
969 result.enabled = 1;
970 m_parent->signalAPIResult(&result);
971 }
972 break;
973 case QCAMERA_SM_EVT_RECORDING_ENABLED:
974 {
975 rc = NO_ERROR;
976 result.status = rc;
977 result.request_api = evt;
978 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
979 result.enabled = 0;
980 m_parent->signalAPIResult(&result);
981 }
982 break;
983 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
984 {
985 rc = m_parent->storeMetaDataInBuffers(int(payload));
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_DUMP:
993 {
994 rc = m_parent->dump((int)payload);
995 result.status = rc;
996 result.request_api = evt;
997 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
998 m_parent->signalAPIResult(&result);
999 }
1000 break;
1001 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1002 {
1003 rc = m_parent->autoFocus();
1004 result.status = rc;
1005 result.request_api = evt;
1006 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1007 m_parent->signalAPIResult(&result);
1008 }
1009 break;
1010 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1011 {
1012 rc = m_parent->cancelAutoFocus();
1013 result.status = rc;
1014 result.request_api = evt;
1015 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1016 m_parent->signalAPIResult(&result);
1017 }
1018 break;
1019 case QCAMERA_SM_EVT_START_RECORDING:
1020 {
1021 rc = m_parent->startRecording();
1022 if (rc == NO_ERROR) {
1023 // move state to recording state
1024 m_state = QCAMERA_SM_STATE_RECORDING;
1025 }
1026 result.status = rc;
1027 result.request_api = evt;
1028 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1029 m_parent->signalAPIResult(&result);
1030 }
1031 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1032 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1033 {
Muhua Li0c14e432013-03-06 15:50:17 -0800[diff] [blame]1034 rc = m_parent->prepareHardwareForSnapshot(FALSE);
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1035 if (rc == NO_ERROR) {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1036 // Do not signal API result in this case.
1037 // Need to wait for snapshot done in metadta.
1038 m_state = QCAMERA_SM_STATE_PREPARE_SNAPSHOT;
1039 } else {
1040 // Do not change state in this case.
1041 ALOGE("%s: prepareHardwareForSnapshot failed %d",
1042 __func__, rc);
1043
1044 result.status = rc;
1045 result.request_api = evt;
1046 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1047 m_parent->signalAPIResult(&result);
1048 }
1049 }
1050 break;
1051 case QCAMERA_SM_EVT_TAKE_PICTURE:
1052 {
1053 rc = m_parent->takePicture();
1054 if (rc == NO_ERROR) {
1055 // move state to picture taking state
1056 if (m_parent->isZSLMode()) {
1057 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
1058 } else {
1059 m_state = QCAMERA_SM_STATE_PIC_TAKING;
1060 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1061 } else {
1062 // move state to preview stopped state
1063 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1064 }
1065 result.status = rc;
1066 result.request_api = evt;
1067 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1068 m_parent->signalAPIResult(&result);
1069 }
1070 break;
1071 case QCAMERA_SM_EVT_SEND_COMMAND:
1072 {
1073 qcamera_sm_evt_command_payload_t *cmd_payload =
1074 (qcamera_sm_evt_command_payload_t *)payload;
1075 rc = m_parent->sendCommand(cmd_payload->cmd,
1076 cmd_payload->arg1,
1077 cmd_payload->arg2);
1078 result.status = rc;
1079 result.request_api = evt;
1080 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1081 m_parent->signalAPIResult(&result);
1082 }
1083 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1084 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1085 {
1086 int32_t faceID = 0;
1087 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1088 (qcamera_sm_evt_reg_face_payload_t *)payload;
1089 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1090 reg_payload->config,
1091 faceID);
1092 result.status = rc;
1093 result.request_api = evt;
1094 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1095 result.handle = faceID;
1096 m_parent->signalAPIResult(&result);
1097 }
1098 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1099 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1100 case QCAMERA_SM_EVT_STOP_RECORDING:
1101 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1102 case QCAMERA_SM_EVT_RELEASE:
1103 {
1104 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1105 rc = INVALID_OPERATION;
1106 result.status = rc;
1107 result.request_api = evt;
1108 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1109 m_parent->signalAPIResult(&result);
1110 }
1111 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1112 case QCAMERA_SM_EVT_EVT_INTERNAL:
1113 {
1114 qcamera_sm_internal_evt_payload_t *internal_evt =
1115 (qcamera_sm_internal_evt_payload_t *)payload;
1116 switch (internal_evt->evt_type) {
1117 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1118 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1119 break;
1120 default:
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1121 ALOGE("%s: Invalid internal event %d in state(%d)",
1122 __func__, internal_evt->evt_type, m_state);
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1123 break;
1124 }
1125 }
1126 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1127 case QCAMERA_SM_EVT_EVT_NOTIFY:
1128 {
1129 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1130 switch (cam_evt->server_event_type) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1131 default:
1132 ALOGD("%s: no handling for server evt (%d) at this state",
1133 __func__, cam_evt->server_event_type);
1134 break;
1135 }
1136 }
1137 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1138 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1139 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]1140 rc = m_parent->updateThermalLevel(
1141 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1142 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1143 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1144 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1145 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1146 default:
1147 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1148 break;
1149 }
1150
1151 return rc;
1152}
1153
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1154/*===========================================================================
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1155 * FUNCTION : procEvtPrepareSnapshotState
1156 *
1157 * DESCRIPTION: finite state machine function to handle event in state of
1158 * QCAMERA_SM_STATE_PREPARE_SNAPSHOT.
1159 *
1160 * PARAMETERS :
1161 * @evt : event to be processed
1162 * @payload : event payload. Can be NULL if not needed.
1163 *
1164 * RETURN : int32_t type of status
1165 * NO_ERROR -- success
1166 * none-zero failure code
1167 *==========================================================================*/
1168int32_t QCameraStateMachine::procEvtPrepareSnapshotState(qcamera_sm_evt_enum_t evt,
1169 void *payload)
1170{
1171 int32_t rc = NO_ERROR;
1172 qcamera_api_result_t result;
1173 memset(&result, 0, sizeof(qcamera_api_result_t));
1174
1175 switch (evt) {
1176 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1177 case QCAMERA_SM_EVT_SET_CALLBACKS:
1178 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1179 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1180 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1181 case QCAMERA_SM_EVT_SET_PARAMS:
1182 case QCAMERA_SM_EVT_GET_PARAMS:
1183 case QCAMERA_SM_EVT_PUT_PARAMS:
1184 case QCAMERA_SM_EVT_START_PREVIEW:
1185 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1186 case QCAMERA_SM_EVT_STOP_PREVIEW:
1187 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1188 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1189 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1190 case QCAMERA_SM_EVT_DUMP:
1191 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1192 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1193 case QCAMERA_SM_EVT_START_RECORDING:
1194 case QCAMERA_SM_EVT_TAKE_PICTURE:
1195 case QCAMERA_SM_EVT_SEND_COMMAND:
1196 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1197 case QCAMERA_SM_EVT_STOP_RECORDING:
1198 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1199 case QCAMERA_SM_EVT_RELEASE:
1200 {
1201 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1202 rc = INVALID_OPERATION;
1203 result.status = rc;
1204 result.request_api = evt;
1205 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1206 m_parent->signalAPIResult(&result);
1207 }
1208 break;
1209 case QCAMERA_SM_EVT_EVT_INTERNAL:
1210 {
1211 qcamera_sm_internal_evt_payload_t *internal_evt =
1212 (qcamera_sm_internal_evt_payload_t *)payload;
1213 switch (internal_evt->evt_type) {
1214 case QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE:
1215 ALOGI("%s: Received QCAMERA_INTERNAL_EVT_PREP_SNAPSHOT_DONE event",
1216 __func__);
1217 m_parent->processPrepSnapshotDoneEvent(internal_evt->prep_snapshot_state);
1218 m_state = QCAMERA_SM_STATE_PREVIEWING;
1219
1220 result.status = NO_ERROR;
1221 result.request_api = QCAMERA_SM_EVT_PREPARE_SNAPSHOT;
1222 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1223 m_parent->signalAPIResult(&result);
1224 break;
1225 default:
1226 ALOGE("%s: Invalid internal event %d in state(%d)",
1227 __func__, internal_evt->evt_type, m_state);
1228 break;
1229 }
1230 }
1231 break;
1232 case QCAMERA_SM_EVT_EVT_NOTIFY:
1233 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
1234 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1235 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1236 default:
1237 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1238 break;
1239 }
1240
1241 return rc;
1242}
1243
1244/*===========================================================================
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1245 * FUNCTION : procEvtPicTakingState
1246 *
1247 * DESCRIPTION: finite state machine function to handle event in state of
1248 * QCAMERA_SM_STATE_PIC_TAKING.
1249 *
1250 * PARAMETERS :
1251 * @evt : event to be processed
1252 * @payload : event payload. Can be NULL if not needed.
1253 *
1254 * RETURN : int32_t type of status
1255 * NO_ERROR -- success
1256 * none-zero failure code
1257 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1258int32_t QCameraStateMachine::procEvtPicTakingState(qcamera_sm_evt_enum_t evt,
1259 void *payload)
1260{
1261 int32_t rc = NO_ERROR;
1262 qcamera_api_result_t result;
1263 memset(&result, 0, sizeof(qcamera_api_result_t));
1264
1265 switch (evt) {
1266 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1267 {
1268 // Error setting preview window during previewing
1269 ALOGE("Cannot set preview window when preview is running");
1270 rc = INVALID_OPERATION;
1271 result.status = rc;
1272 result.request_api = evt;
1273 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1274 m_parent->signalAPIResult(&result);
1275 }
1276 break;
1277 case QCAMERA_SM_EVT_SET_CALLBACKS:
1278 {
1279 qcamera_sm_evt_setcb_payload_t *setcbs =
1280 (qcamera_sm_evt_setcb_payload_t *)payload;
1281 rc = m_parent->setCallBacks(setcbs->notify_cb,
1282 setcbs->data_cb,
1283 setcbs->data_cb_timestamp,
1284 setcbs->get_memory,
1285 setcbs->user);
1286 result.status = rc;
1287 result.request_api = evt;
1288 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1289 m_parent->signalAPIResult(&result);
1290 }
1291 break;
1292 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1293 {
1294 rc = m_parent->enableMsgType(int32_t(payload));
1295 result.status = rc;
1296 result.request_api = evt;
1297 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1298 m_parent->signalAPIResult(&result);
1299 }
1300 break;
1301 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1302 {
1303 rc = m_parent->disableMsgType(int32_t(payload));
1304 result.status = rc;
1305 result.request_api = evt;
1306 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1307 m_parent->signalAPIResult(&result);
1308 }
1309 break;
1310 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1311 {
1312 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1313 result.status = rc;
1314 result.request_api = evt;
1315 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1316 result.enabled = enabled;
1317 m_parent->signalAPIResult(&result);
1318 }
1319 break;
1320 case QCAMERA_SM_EVT_SET_PARAMS:
1321 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1322 bool needRestart = false;
1323 rc = m_parent->updateParameters((char*)payload, needRestart);
1324 if (rc == NO_ERROR) {
1325 rc = m_parent->commitParameterChanges();
1326 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1327 result.status = rc;
1328 result.request_api = evt;
1329 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1330 m_parent->signalAPIResult(&result);
1331 }
1332 break;
1333 case QCAMERA_SM_EVT_GET_PARAMS:
1334 {
1335 result.params = m_parent->getParameters();
1336 rc = NO_ERROR;
1337 result.status = rc;
1338 result.request_api = evt;
1339 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1340 m_parent->signalAPIResult(&result);
1341 }
1342 break;
1343 case QCAMERA_SM_EVT_PUT_PARAMS:
1344 {
1345 rc = m_parent->putParameters((char*)payload);
1346 result.status = rc;
1347 result.request_api = evt;
1348 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1349 m_parent->signalAPIResult(&result);
1350 }
1351 break;
1352 case QCAMERA_SM_EVT_STOP_PREVIEW:
1353 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]1354 // cancel picture first
1355 rc = m_parent->cancelPicture();
1356 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1357
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1358 result.status = rc;
1359 result.request_api = evt;
1360 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1361 m_parent->signalAPIResult(&result);
1362 }
1363 break;
1364 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1365 {
1366 rc = NO_ERROR;
1367 result.status = rc;
1368 result.request_api = evt;
1369 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1370 result.enabled = 0;
1371 m_parent->signalAPIResult(&result);
1372 }
1373 break;
1374 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1375 {
1376 rc = NO_ERROR;
1377 result.status = rc;
1378 result.request_api = evt;
1379 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1380 result.enabled = 0;
1381 m_parent->signalAPIResult(&result);
1382 }
1383 break;
1384 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1385 {
1386 rc = m_parent->storeMetaDataInBuffers(int(payload));
1387 result.status = rc;
1388 result.request_api = evt;
1389 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1390 m_parent->signalAPIResult(&result);
1391 }
1392 break;
1393 case QCAMERA_SM_EVT_DUMP:
1394 {
1395 rc = m_parent->dump((int)payload);
1396 result.status = rc;
1397 result.request_api = evt;
1398 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1399 m_parent->signalAPIResult(&result);
1400 }
1401 break;
1402 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1403 {
1404 rc = m_parent->autoFocus();
1405 result.status = rc;
1406 result.request_api = evt;
1407 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1408 m_parent->signalAPIResult(&result);
1409 }
1410 break;
1411 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1412 {
1413 rc = m_parent->cancelAutoFocus();
1414 result.status = rc;
1415 result.request_api = evt;
1416 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1417 m_parent->signalAPIResult(&result);
1418 }
1419 break;
1420 case QCAMERA_SM_EVT_SEND_COMMAND:
1421 {
1422 qcamera_sm_evt_command_payload_t *cmd_payload =
1423 (qcamera_sm_evt_command_payload_t *)payload;
1424 rc = m_parent->sendCommand(cmd_payload->cmd,
1425 cmd_payload->arg1,
1426 cmd_payload->arg2);
1427 result.status = rc;
1428 result.request_api = evt;
1429 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1430 m_parent->signalAPIResult(&result);
1431 }
1432 break;
1433 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1434 {
1435 rc = m_parent->cancelPicture();
1436 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1437 result.status = rc;
1438 result.request_api = evt;
1439 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1440 m_parent->signalAPIResult(&result);
1441 }
1442 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1443 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1444 {
1445 int32_t faceID = 0;
1446 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1447 (qcamera_sm_evt_reg_face_payload_t *)payload;
1448 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1449 reg_payload->config,
1450 faceID);
1451 result.status = rc;
1452 result.request_api = evt;
1453 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1454 result.handle = faceID;
1455 m_parent->signalAPIResult(&result);
1456 }
1457 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1458 case QCAMERA_SM_EVT_TAKE_PICTURE:
1459 case QCAMERA_SM_EVT_START_RECORDING:
1460 case QCAMERA_SM_EVT_STOP_RECORDING:
1461 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1462 case QCAMERA_SM_EVT_START_PREVIEW:
1463 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1464 case QCAMERA_SM_EVT_RELEASE:
1465 {
1466 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1467 rc = INVALID_OPERATION;
1468 result.status = rc;
1469 result.request_api = evt;
1470 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1471 m_parent->signalAPIResult(&result);
1472 }
1473 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1474 case QCAMERA_SM_EVT_EVT_INTERNAL:
1475 {
1476 qcamera_sm_internal_evt_payload_t *internal_evt =
1477 (qcamera_sm_internal_evt_payload_t *)payload;
1478 switch (internal_evt->evt_type) {
1479 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1480 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1481 break;
1482 default:
1483 break;
1484 }
1485 }
1486 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1487 case QCAMERA_SM_EVT_EVT_NOTIFY:
1488 {
1489 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1490 switch (cam_evt->server_event_type) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1491 default:
1492 ALOGD("%s: no handling for server evt (%d) at this state",
1493 __func__, cam_evt->server_event_type);
1494 break;
1495 }
1496 }
1497 break;
1498 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
1499 {
1500 qcamera_jpeg_evt_payload_t *jpeg_job =
1501 (qcamera_jpeg_evt_payload_t *)payload;
1502 rc = m_parent->processJpegNotify(jpeg_job);
1503 }
1504 break;
1505 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
1506 {
1507 rc = m_parent->cancelPicture();
1508 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
1509 }
1510 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1511 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1512 default:
1513 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1514 break;
1515 }
1516
1517 return rc;
1518}
1519
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1520/*===========================================================================
1521 * FUNCTION : procEvtRecordingState
1522 *
1523 * DESCRIPTION: finite state machine function to handle event in state of
1524 * QCAMERA_SM_STATE_RECORDING.
1525 *
1526 * PARAMETERS :
1527 * @evt : event to be processed
1528 * @payload : event payload. Can be NULL if not needed.
1529 *
1530 * RETURN : int32_t type of status
1531 * NO_ERROR -- success
1532 * none-zero failure code
1533 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1534int32_t QCameraStateMachine::procEvtRecordingState(qcamera_sm_evt_enum_t evt,
1535 void *payload)
1536{
1537 int32_t rc = NO_ERROR;
1538 qcamera_api_result_t result;
1539 memset(&result, 0, sizeof(qcamera_api_result_t));
1540
1541 switch (evt) {
1542 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1543 {
1544 // Error setting preview window during previewing
1545 ALOGE("Cannot set preview window when preview is running");
1546 rc = INVALID_OPERATION;
1547 result.status = rc;
1548 result.request_api = evt;
1549 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1550 m_parent->signalAPIResult(&result);
1551 }
1552 break;
1553 case QCAMERA_SM_EVT_SET_CALLBACKS:
1554 {
1555 qcamera_sm_evt_setcb_payload_t *setcbs =
1556 (qcamera_sm_evt_setcb_payload_t *)payload;
1557 rc = m_parent->setCallBacks(setcbs->notify_cb,
1558 setcbs->data_cb,
1559 setcbs->data_cb_timestamp,
1560 setcbs->get_memory,
1561 setcbs->user);
1562 result.status = rc;
1563 result.request_api = evt;
1564 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1565 m_parent->signalAPIResult(&result);
1566 }
1567 break;
1568 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1569 {
1570 rc = m_parent->enableMsgType(int32_t(payload));
1571 result.status = rc;
1572 result.request_api = evt;
1573 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1574 m_parent->signalAPIResult(&result);
1575 }
1576 break;
1577 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1578 {
1579 rc = m_parent->disableMsgType(int32_t(payload));
1580 result.status = rc;
1581 result.request_api = evt;
1582 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1583 m_parent->signalAPIResult(&result);
1584 }
1585 break;
1586 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1587 {
1588 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1589 result.status = rc;
1590 result.request_api = evt;
1591 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1592 result.enabled = enabled;
1593 m_parent->signalAPIResult(&result);
1594 }
1595 break;
1596 case QCAMERA_SM_EVT_SET_PARAMS:
1597 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1598 bool needRestart = false;
1599 rc = m_parent->updateParameters((char*)payload, needRestart);
1600 if (rc == NO_ERROR) {
1601 if (needRestart) {
1602 // cannot set parameters that requires restart during recording
1603 ALOGE("%s: Cannot set parameters that requires restart during recording",
1604 __func__);
1605 rc = BAD_VALUE;
1606 } else {
1607 rc = m_parent->commitParameterChanges();
1608 }
1609 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1610 result.status = rc;
1611 result.request_api = evt;
1612 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1613 m_parent->signalAPIResult(&result);
1614 }
1615 break;
1616 case QCAMERA_SM_EVT_GET_PARAMS:
1617 {
1618 result.params = m_parent->getParameters();
1619 rc = NO_ERROR;
1620 result.status = rc;
1621 result.request_api = evt;
1622 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1623 m_parent->signalAPIResult(&result);
1624 }
1625 break;
1626 case QCAMERA_SM_EVT_PUT_PARAMS:
1627 {
1628 rc = m_parent->putParameters((char*)payload);
1629 result.status = rc;
1630 result.request_api = evt;
1631 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1632 m_parent->signalAPIResult(&result);
1633 }
1634 break;
1635 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1636 {
1637 rc = NO_ERROR;
1638 result.status = rc;
1639 result.request_api = evt;
1640 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1641 result.enabled = 0;
1642 m_parent->signalAPIResult(&result);
1643 }
1644 break;
1645 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1646 {
1647 rc = NO_ERROR;
1648 result.status = rc;
1649 result.request_api = evt;
1650 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1651 result.enabled = 1;
1652 m_parent->signalAPIResult(&result);
1653 }
1654 break;
1655 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1656 {
1657 rc = m_parent->storeMetaDataInBuffers(int(payload));
1658 result.status = rc;
1659 result.request_api = evt;
1660 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1661 m_parent->signalAPIResult(&result);
1662 }
1663 break;
1664 case QCAMERA_SM_EVT_DUMP:
1665 {
1666 rc = m_parent->dump((int)payload);
1667 result.status = rc;
1668 result.request_api = evt;
1669 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1670 m_parent->signalAPIResult(&result);
1671 }
1672 break;
1673 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
1674 {
1675 rc = m_parent->autoFocus();
1676 result.status = rc;
1677 result.request_api = evt;
1678 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1679 m_parent->signalAPIResult(&result);
1680 }
1681 break;
1682 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
1683 {
1684 rc = m_parent->cancelAutoFocus();
1685 result.status = rc;
1686 result.request_api = evt;
1687 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1688 m_parent->signalAPIResult(&result);
1689 }
1690 break;
1691 case QCAMERA_SM_EVT_SEND_COMMAND:
1692 {
1693 qcamera_sm_evt_command_payload_t *cmd_payload =
1694 (qcamera_sm_evt_command_payload_t *)payload;
1695 rc = m_parent->sendCommand(cmd_payload->cmd,
1696 cmd_payload->arg1,
1697 cmd_payload->arg2);
1698 result.status = rc;
1699 result.request_api = evt;
1700 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1701 m_parent->signalAPIResult(&result);
1702 }
1703 break;
1704 case QCAMERA_SM_EVT_TAKE_PICTURE:
1705 {
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1706 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1707 rc = m_parent->takeLiveSnapshot();
Muhua Li1d0c4772013-02-22 15:39:45 -0800[diff] [blame]1708 if (rc != NO_ERROR) {
1709 m_state = QCAMERA_SM_STATE_RECORDING;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1710 }
1711 result.status = rc;
1712 result.request_api = evt;
1713 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1714 m_parent->signalAPIResult(&result);
1715 }
1716 break;
1717 case QCAMERA_SM_EVT_START_RECORDING:
1718 {
1719 // no ops here
1720 ALOGD("%s: already in recording state, no ops for start_recording", __func__);
1721 rc = 0;
1722 result.status = rc;
1723 result.request_api = evt;
1724 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1725 m_parent->signalAPIResult(&result);
1726 }
1727 break;
1728 case QCAMERA_SM_EVT_STOP_RECORDING:
1729 {
1730 rc = m_parent->stopRecording();
1731 m_state = QCAMERA_SM_STATE_PREVIEWING;
1732 result.status = rc;
1733 result.request_api = evt;
1734 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1735 m_parent->signalAPIResult(&result);
1736 }
1737 break;
1738 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
1739 {
1740 rc = m_parent->releaseRecordingFrame((const void *)payload);
1741 result.status = rc;
1742 result.request_api = evt;
1743 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1744 m_parent->signalAPIResult(&result);
1745 }
1746 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]1747 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
1748 {
1749 int32_t faceID = 0;
1750 qcamera_sm_evt_reg_face_payload_t *reg_payload =
1751 (qcamera_sm_evt_reg_face_payload_t *)payload;
1752 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
1753 reg_payload->config,
1754 faceID);
1755 result.status = rc;
1756 result.request_api = evt;
1757 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
1758 result.handle = faceID;
1759 m_parent->signalAPIResult(&result);
1760 }
1761 break;
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]1762 case QCAMERA_SM_EVT_PREPARE_SNAPSHOT:
1763 {
1764 //In Video snapshot, prepare hardware is a no-op.
1765 result.status = NO_ERROR;
1766 result.request_api = evt;
1767 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1768 m_parent->signalAPIResult(&result);
1769 }
1770 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1771 case QCAMERA_SM_EVT_CANCEL_PICTURE:
1772 case QCAMERA_SM_EVT_START_PREVIEW:
1773 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
1774 case QCAMERA_SM_EVT_STOP_PREVIEW:
1775 case QCAMERA_SM_EVT_RELEASE:
1776 {
1777 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1778 rc = INVALID_OPERATION;
1779 result.status = rc;
1780 result.request_api = evt;
1781 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1782 m_parent->signalAPIResult(&result);
1783 }
1784 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]1785 case QCAMERA_SM_EVT_EVT_INTERNAL:
1786 {
1787 qcamera_sm_internal_evt_payload_t *internal_evt =
1788 (qcamera_sm_internal_evt_payload_t *)payload;
1789 switch (internal_evt->evt_type) {
1790 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
1791 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
1792 break;
1793 default:
1794 break;
1795 }
1796 }
1797 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1798 case QCAMERA_SM_EVT_EVT_NOTIFY:
1799 {
1800 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
1801 switch (cam_evt->server_event_type) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1802 default:
1803 ALOGD("%s: no handling for server evt (%d) at this state",
1804 __func__, cam_evt->server_event_type);
1805 break;
1806 }
1807 }
1808 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1809 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1810 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]1811 rc = m_parent->updateThermalLevel(
1812 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]1813 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]1814 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1815 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1816 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1817 default:
1818 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
1819 break;
1820 }
1821
1822 return rc;
1823}
1824
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1825/*===========================================================================
1826 * FUNCTION : procEvtVideoPicTakingState
1827 *
1828 * DESCRIPTION: finite state machine function to handle event in state of
1829 * QCAMERA_SM_STATE_VIDEO_PIC_TAKING.
1830 *
1831 * PARAMETERS :
1832 * @evt : event to be processed
1833 * @payload : event payload. Can be NULL if not needed.
1834 *
1835 * RETURN : int32_t type of status
1836 * NO_ERROR -- success
1837 * none-zero failure code
1838 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1839int32_t QCameraStateMachine::procEvtVideoPicTakingState(qcamera_sm_evt_enum_t evt,
1840 void *payload)
1841{
1842 int32_t rc = NO_ERROR;
1843 qcamera_api_result_t result;
1844 memset(&result, 0, sizeof(qcamera_api_result_t));
1845
1846 switch (evt) {
1847 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
1848 {
1849 // Error setting preview window during previewing
1850 ALOGE("Cannot set preview window when preview is running");
1851 rc = INVALID_OPERATION;
1852 result.status = rc;
1853 result.request_api = evt;
1854 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1855 m_parent->signalAPIResult(&result);
1856 }
1857 break;
1858 case QCAMERA_SM_EVT_SET_CALLBACKS:
1859 {
1860 qcamera_sm_evt_setcb_payload_t *setcbs =
1861 (qcamera_sm_evt_setcb_payload_t *)payload;
1862 rc = m_parent->setCallBacks(setcbs->notify_cb,
1863 setcbs->data_cb,
1864 setcbs->data_cb_timestamp,
1865 setcbs->get_memory,
1866 setcbs->user);
1867 result.status = rc;
1868 result.request_api = evt;
1869 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1870 m_parent->signalAPIResult(&result);
1871 }
1872 break;
1873 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
1874 {
1875 rc = m_parent->enableMsgType(int32_t(payload));
1876 result.status = rc;
1877 result.request_api = evt;
1878 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1879 m_parent->signalAPIResult(&result);
1880 }
1881 break;
1882 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
1883 {
1884 rc = m_parent->disableMsgType(int32_t(payload));
1885 result.status = rc;
1886 result.request_api = evt;
1887 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1888 m_parent->signalAPIResult(&result);
1889 }
1890 break;
1891 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
1892 {
1893 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
1894 result.status = rc;
1895 result.request_api = evt;
1896 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1897 result.enabled = enabled;
1898 m_parent->signalAPIResult(&result);
1899 }
1900 break;
1901 case QCAMERA_SM_EVT_SET_PARAMS:
1902 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]1903 bool needRestart = false;
1904 rc = m_parent->updateParameters((char*)payload, needRestart);
1905 if (rc == NO_ERROR) {
1906 if (needRestart) {
1907 // cannot set parameters that requires restart during recording
1908 ALOGE("%s: Cannot set parameters that requires restart during recording",
1909 __func__);
1910 rc = BAD_VALUE;
1911 } else {
1912 rc = m_parent->commitParameterChanges();
1913 }
1914 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]1915 result.status = rc;
1916 result.request_api = evt;
1917 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1918 m_parent->signalAPIResult(&result);
1919 }
1920 break;
1921 case QCAMERA_SM_EVT_GET_PARAMS:
1922 {
1923 result.params = m_parent->getParameters();
1924 rc = NO_ERROR;
1925 result.status = rc;
1926 result.request_api = evt;
1927 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
1928 m_parent->signalAPIResult(&result);
1929 }
1930 break;
1931 case QCAMERA_SM_EVT_PUT_PARAMS:
1932 {
1933 rc = m_parent->putParameters((char*)payload);
1934 result.status = rc;
1935 result.request_api = evt;
1936 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1937 m_parent->signalAPIResult(&result);
1938 }
1939 break;
1940 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
1941 {
1942 rc = NO_ERROR;
1943 result.status = rc;
1944 result.request_api = evt;
1945 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1946 result.enabled = 1;
1947 m_parent->signalAPIResult(&result);
1948 }
1949 break;
1950 case QCAMERA_SM_EVT_RECORDING_ENABLED:
1951 {
1952 rc = NO_ERROR;
1953 result.status = rc;
1954 result.request_api = evt;
1955 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
1956 result.enabled = 1;
1957 m_parent->signalAPIResult(&result);
1958 }
1959 break;
1960 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
1961 {
1962 rc = m_parent->storeMetaDataInBuffers(int(payload));
1963 result.status = rc;
1964 result.request_api = evt;
1965 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
1966 m_parent->signalAPIResult(&result);
1967 }
1968 break;
1969 case QCAMERA_SM_EVT_DUMP:
1970 {
1971 rc = m_parent->dump((int)payload);
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_START_AUTO_FOCUS:
1979 {
1980 rc = m_parent->autoFocus();
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_STOP_AUTO_FOCUS:
1988 {
1989 rc = m_parent->cancelAutoFocus();
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_SEND_COMMAND:
1997 {
1998 qcamera_sm_evt_command_payload_t *cmd_payload =
1999 (qcamera_sm_evt_command_payload_t *)payload;
2000 rc = m_parent->sendCommand(cmd_payload->cmd,
2001 cmd_payload->arg1,
2002 cmd_payload->arg2);
2003 result.status = rc;
2004 result.request_api = evt;
2005 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2006 m_parent->signalAPIResult(&result);
2007 }
2008 break;
2009 case QCAMERA_SM_EVT_STOP_RECORDING:
2010 {
2011 rc = m_parent->stopRecording();
2012 m_state = QCAMERA_SM_STATE_PREVIEW_PIC_TAKING;
2013 result.status = rc;
2014 result.request_api = evt;
2015 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2016 m_parent->signalAPIResult(&result);
2017 }
2018 break;
2019 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2020 {
2021 rc = m_parent->releaseRecordingFrame((const void *)payload);
2022 result.status = rc;
2023 result.request_api = evt;
2024 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2025 m_parent->signalAPIResult(&result);
2026 }
2027 break;
2028 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2029 {
2030 rc = m_parent->cancelLiveSnapshot();
2031 m_state = QCAMERA_SM_STATE_RECORDING;
2032 result.status = rc;
2033 result.request_api = evt;
2034 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2035 m_parent->signalAPIResult(&result);
2036 }
2037 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2038 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2039 {
2040 int32_t faceID = 0;
2041 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2042 (qcamera_sm_evt_reg_face_payload_t *)payload;
2043 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2044 reg_payload->config,
2045 faceID);
2046 result.status = rc;
2047 result.request_api = evt;
2048 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2049 result.handle = faceID;
2050 m_parent->signalAPIResult(&result);
2051 }
2052 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2053 case QCAMERA_SM_EVT_START_RECORDING:
2054 case QCAMERA_SM_EVT_START_PREVIEW:
2055 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2056 case QCAMERA_SM_EVT_STOP_PREVIEW:
2057 case QCAMERA_SM_EVT_TAKE_PICTURE:
2058 case QCAMERA_SM_EVT_RELEASE:
2059 {
2060 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2061 rc = INVALID_OPERATION;
2062 result.status = rc;
2063 result.request_api = evt;
2064 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2065 m_parent->signalAPIResult(&result);
2066 }
2067 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2068 case QCAMERA_SM_EVT_EVT_INTERNAL:
2069 {
2070 qcamera_sm_internal_evt_payload_t *internal_evt =
2071 (qcamera_sm_internal_evt_payload_t *)payload;
2072 switch (internal_evt->evt_type) {
2073 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2074 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2075 break;
2076 default:
2077 break;
2078 }
2079 }
2080 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2081 case QCAMERA_SM_EVT_EVT_NOTIFY:
2082 {
2083 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2084 switch (cam_evt->server_event_type) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2085 default:
2086 ALOGD("%s: no handling for server evt (%d) at this state",
2087 __func__, cam_evt->server_event_type);
2088 break;
2089 }
2090 }
2091 break;
2092 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2093 {
2094 qcamera_jpeg_evt_payload_t *jpeg_job =
2095 (qcamera_jpeg_evt_payload_t *)payload;
2096 rc = m_parent->processJpegNotify(jpeg_job);
2097 }
2098 break;
2099 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2100 {
2101 rc = m_parent->cancelLiveSnapshot();
2102 m_state = QCAMERA_SM_STATE_RECORDING;
2103 }
2104 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2105 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2106 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2107 rc = m_parent->updateThermalLevel(
2108 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2109 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2110 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2111 default:
2112 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2113 break;
2114 }
2115
2116 return rc;
2117}
2118
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2119/*===========================================================================
2120 * FUNCTION : procEvtPreviewPicTakingState
2121 *
2122 * DESCRIPTION: finite state machine function to handle event in state of
2123 * QCAMERA_SM_STATE_PREVIEW_PIC_TAKING.
2124 *
2125 * PARAMETERS :
2126 * @evt : event to be processed
2127 * @payload : event payload. Can be NULL if not needed.
2128 *
2129 * RETURN : int32_t type of status
2130 * NO_ERROR -- success
2131 * none-zero failure code
2132 *==========================================================================*/
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2133int32_t QCameraStateMachine::procEvtPreviewPicTakingState(qcamera_sm_evt_enum_t evt,
2134 void *payload)
2135{
2136 int32_t rc = NO_ERROR;
2137 qcamera_api_result_t result;
2138 memset(&result, 0, sizeof(qcamera_api_result_t));
2139
2140 switch (evt) {
2141 case QCAMERA_SM_EVT_SET_CALLBACKS:
2142 {
2143 qcamera_sm_evt_setcb_payload_t *setcbs =
2144 (qcamera_sm_evt_setcb_payload_t *)payload;
2145 rc = m_parent->setCallBacks(setcbs->notify_cb,
2146 setcbs->data_cb,
2147 setcbs->data_cb_timestamp,
2148 setcbs->get_memory,
2149 setcbs->user);
2150 result.status = rc;
2151 result.request_api = evt;
2152 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2153 m_parent->signalAPIResult(&result);
2154 }
2155 break;
2156 case QCAMERA_SM_EVT_ENABLE_MSG_TYPE:
2157 {
2158 rc = m_parent->enableMsgType(int32_t(payload));
2159 result.status = rc;
2160 result.request_api = evt;
2161 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2162 m_parent->signalAPIResult(&result);
2163 }
2164 break;
2165 case QCAMERA_SM_EVT_DISABLE_MSG_TYPE:
2166 {
2167 rc = m_parent->disableMsgType(int32_t(payload));
2168 result.status = rc;
2169 result.request_api = evt;
2170 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2171 m_parent->signalAPIResult(&result);
2172 }
2173 break;
2174 case QCAMERA_SM_EVT_MSG_TYPE_ENABLED:
2175 {
2176 int enabled = m_parent->msgTypeEnabled(int32_t(payload));
2177 result.status = rc;
2178 result.request_api = evt;
2179 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2180 result.enabled = enabled;
2181 m_parent->signalAPIResult(&result);
2182 }
2183 break;
2184 case QCAMERA_SM_EVT_SET_PARAMS:
2185 {
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2186 bool needRestart = false;
2187 rc = m_parent->updateParameters((char*)payload, needRestart);
2188 if (rc == NO_ERROR) {
2189 if (needRestart) {
2190 // need restart preview for parameters to take effect
2191 // stop preview
2192 m_parent->stopPreview();
2193 // commit parameter changes to server
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2194 m_parent->commitParameterChanges();
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2195 // start preview again
Muhua Li66f3b532013-01-23 17:19:05 -0800[diff] [blame]2196 rc = m_parent->preparePreview();
2197 if (rc == NO_ERROR) {
2198 rc = m_parent->startPreview();
2199 if (rc != NO_ERROR) {
2200 m_parent->unpreparePreview();
2201 }
2202 }
2203 if (rc != NO_ERROR) {
2204 m_state = QCAMERA_SM_STATE_PIC_TAKING;
2205 }
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2206 } else {
2207 rc = m_parent->commitParameterChanges();
2208 }
2209 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2210 result.status = rc;
2211 result.request_api = evt;
2212 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2213 m_parent->signalAPIResult(&result);
2214 }
2215 break;
2216 case QCAMERA_SM_EVT_GET_PARAMS:
2217 {
2218 result.params = m_parent->getParameters();
2219 rc = NO_ERROR;
2220 result.status = rc;
2221 result.request_api = evt;
2222 result.result_type = QCAMERA_API_RESULT_TYPE_PARAMS;
2223 m_parent->signalAPIResult(&result);
2224 }
2225 break;
2226 case QCAMERA_SM_EVT_PUT_PARAMS:
2227 {
2228 rc = m_parent->putParameters((char*)payload);
2229 result.status = rc;
2230 result.request_api = evt;
2231 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2232 m_parent->signalAPIResult(&result);
2233 }
2234 break;
2235 case QCAMERA_SM_EVT_PREVIEW_ENABLED:
2236 {
2237 rc = NO_ERROR;
2238 result.status = rc;
2239 result.request_api = evt;
2240 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2241 result.enabled = 1;
2242 m_parent->signalAPIResult(&result);
2243 }
2244 break;
2245 case QCAMERA_SM_EVT_RECORDING_ENABLED:
2246 {
2247 rc = NO_ERROR;
2248 result.status = rc;
2249 result.request_api = evt;
2250 result.result_type = QCAMERA_API_RESULT_TYPE_ENABLE_FLAG;
2251 result.enabled = 0;
2252 m_parent->signalAPIResult(&result);
2253 }
2254 break;
2255 case QCAMERA_SM_EVT_STORE_METADATA_IN_BUFS:
2256 {
2257 rc = m_parent->storeMetaDataInBuffers(int(payload));
2258 result.status = rc;
2259 result.request_api = evt;
2260 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2261 m_parent->signalAPIResult(&result);
2262 }
2263 break;
2264 case QCAMERA_SM_EVT_DUMP:
2265 {
2266 rc = m_parent->dump((int)payload);
2267 result.status = rc;
2268 result.request_api = evt;
2269 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2270 m_parent->signalAPIResult(&result);
2271 }
2272 break;
2273 case QCAMERA_SM_EVT_START_AUTO_FOCUS:
2274 {
2275 rc = m_parent->autoFocus();
2276 result.status = rc;
2277 result.request_api = evt;
2278 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2279 m_parent->signalAPIResult(&result);
2280 }
2281 break;
2282 case QCAMERA_SM_EVT_STOP_AUTO_FOCUS:
2283 {
2284 rc = m_parent->cancelAutoFocus();
2285 result.status = rc;
2286 result.request_api = evt;
2287 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2288 m_parent->signalAPIResult(&result);
2289 }
2290 break;
2291 case QCAMERA_SM_EVT_SEND_COMMAND:
2292 {
2293 qcamera_sm_evt_command_payload_t *cmd_payload =
2294 (qcamera_sm_evt_command_payload_t *)payload;
2295 rc = m_parent->sendCommand(cmd_payload->cmd,
2296 cmd_payload->arg1,
2297 cmd_payload->arg2);
2298 result.status = rc;
2299 result.request_api = evt;
2300 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2301 m_parent->signalAPIResult(&result);
2302 }
2303 break;
2304 case QCAMERA_SM_EVT_RELEASE_RECORIDNG_FRAME:
2305 {
2306 rc = m_parent->releaseRecordingFrame((const void *)payload);
2307 result.status = rc;
2308 result.request_api = evt;
2309 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2310 m_parent->signalAPIResult(&result);
2311 }
2312 break;
2313 case QCAMERA_SM_EVT_CANCEL_PICTURE:
2314 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2315 if (m_parent->isZSLMode()) {
2316 rc = m_parent->cancelPicture();
2317 } else {
2318 rc = m_parent->cancelLiveSnapshot();
2319 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2320 m_state = QCAMERA_SM_STATE_PREVIEWING;
2321 result.status = rc;
2322 result.request_api = evt;
2323 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2324 m_parent->signalAPIResult(&result);
2325 }
2326 break;
2327 case QCAMERA_SM_EVT_STOP_PREVIEW:
2328 {
Muhua Libd1b6122013-03-05 15:25:27 -0800[diff] [blame]2329 if (m_parent->isZSLMode()) {
2330 // cancel picture first
2331 rc = m_parent->cancelPicture();
2332 m_parent->stopChannel(QCAMERA_CH_TYPE_ZSL);
2333 } else {
2334 rc = m_parent->cancelLiveSnapshot();
2335 m_parent->stopChannel(QCAMERA_CH_TYPE_PREVIEW);
2336 }
2337 // unprepare preview
2338 m_parent->unpreparePreview();
2339 m_state = QCAMERA_SM_STATE_PREVIEW_STOPPED;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2340 result.status = rc;
2341 result.request_api = evt;
2342 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2343 m_parent->signalAPIResult(&result);
2344 }
2345 break;
2346 case QCAMERA_SM_EVT_START_RECORDING:
2347 {
2348 rc = m_parent->stopRecording();
2349 if (rc == NO_ERROR) {
2350 m_state = QCAMERA_SM_STATE_VIDEO_PIC_TAKING;
2351 }
2352 result.status = rc;
2353 result.request_api = evt;
2354 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2355 m_parent->signalAPIResult(&result);
2356 }
2357 break;
Muhua Li5858c392013-02-04 17:53:34 -0800[diff] [blame]2358 case QCAMERA_SM_EVT_REG_FACE_IMAGE:
2359 {
2360 int32_t faceID = 0;
2361 qcamera_sm_evt_reg_face_payload_t *reg_payload =
2362 (qcamera_sm_evt_reg_face_payload_t *)payload;
2363 rc = m_parent->registerFaceImage(reg_payload->img_ptr,
2364 reg_payload->config,
2365 faceID);
2366 result.status = rc;
2367 result.request_api = evt;
2368 result.result_type = QCAMERA_API_RESULT_TYPE_HANDLE;
2369 result.handle = faceID;
2370 m_parent->signalAPIResult(&result);
2371 }
2372 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2373 case QCAMERA_SM_EVT_STOP_RECORDING:
2374 case QCAMERA_SM_EVT_START_PREVIEW:
2375 case QCAMERA_SM_EVT_START_NODISPLAY_PREVIEW:
2376 case QCAMERA_SM_EVT_TAKE_PICTURE:
2377 case QCAMERA_SM_EVT_SET_PREVIEW_WINDOW:
2378 case QCAMERA_SM_EVT_RELEASE:
2379 {
2380 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2381 rc = INVALID_OPERATION;
2382 result.status = rc;
2383 result.request_api = evt;
2384 result.result_type = QCAMERA_API_RESULT_TYPE_DEF;
2385 m_parent->signalAPIResult(&result);
2386 }
2387 break;
Muhua Li31eaee02012-12-11 08:56:45 -0800[diff] [blame]2388 case QCAMERA_SM_EVT_EVT_INTERNAL:
2389 {
2390 qcamera_sm_internal_evt_payload_t *internal_evt =
2391 (qcamera_sm_internal_evt_payload_t *)payload;
2392 switch (internal_evt->evt_type) {
2393 case QCAMERA_INTERNAL_EVT_FOCUS_UPDATE:
2394 rc = m_parent->processAutoFocusEvent(internal_evt->focus_data);
2395 break;
2396 default:
2397 break;
2398 }
2399 }
2400 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2401 case QCAMERA_SM_EVT_EVT_NOTIFY:
2402 {
2403 mm_camera_event_t *cam_evt = (mm_camera_event_t *)payload;
2404 switch (cam_evt->server_event_type) {
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2405 default:
2406 ALOGD("%s: no handling for server evt (%d) at this state",
2407 __func__, cam_evt->server_event_type);
2408 break;
2409 }
2410 }
2411 break;
2412 case QCAMERA_SM_EVT_JPEG_EVT_NOTIFY:
2413 {
2414 qcamera_jpeg_evt_payload_t *jpeg_job =
2415 (qcamera_jpeg_evt_payload_t *)payload;
2416 rc = m_parent->processJpegNotify(jpeg_job);
2417 }
2418 break;
2419 case QCAMERA_SM_EVT_SNAPSHOT_DONE:
2420 {
Shuzhen Wang93f24112013-02-20 16:01:42 -0800[diff] [blame]2421 if (m_parent->isZSLMode()) {
2422 rc = m_parent->cancelPicture();
2423 } else {
2424 rc = m_parent->cancelLiveSnapshot();
2425 }
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2426 m_state = QCAMERA_SM_STATE_PREVIEWING;
2427 }
2428 break;
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2429 case QCAMERA_SM_EVT_THERMAL_NOTIFY:
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2430 {
Shuzhen Wangd415beb2013-02-08 10:28:16 -0800[diff] [blame]2431 rc = m_parent->updateThermalLevel(
2432 *(qcamera_thermal_level_enum_t *)&payload);
Emilian Peeve1d5acb2013-02-01 11:29:53 -0800[diff] [blame]2433 }
Shuzhen Wangaa829ce2013-01-09 14:41:49 -0800[diff] [blame]2434 break;
Muhua Libc9a8082012-11-07 15:51:28 -0800[diff] [blame]2435 default:
2436 ALOGE("%s: cannot handle evt(%d) in state(%d)", __func__, evt, m_state);
2437 break;
2438 }
2439
2440 return rc;
2441}
2442
Muhua Lida2c4be2012-11-26 09:14:16 -0800[diff] [blame]2443/*===========================================================================
2444 * FUNCTION : isPreviewRunning
2445 *
2446 * DESCRIPTION: check if preview is in process.
2447 *
2448 * PARAMETERS : None
2449 *
2450 * RETURN : true -- preview running
2451 * false -- preview stopped
2452 *==========================================================================*/
2453bool QCameraStateMachine::isPreviewRunning()
2454{
2455 switch (m_state) {
2456 case QCAMERA_SM_STATE_PREVIEWING:
2457 case QCAMERA_SM_STATE_RECORDING:
2458 case QCAMERA_SM_STATE_VIDEO_PIC_TAKING:
2459 case QCAMERA_SM_STATE_PREVIEW_PIC_TAKING:
2460 return true;
2461 default:
2462 return false;
2463 }
2464}
2465
Shuzhen Wang89635cf2012-12-20 13:47:22 -0800[diff] [blame]2466}; // namespace qcamera