2 * Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 * http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
15 #include <sound_manager.h>
16 #include <wav_player.h>
18 #include "stt_network.h"
19 #include "sttd_client_data.h"
20 #include "sttd_config.h"
21 #include "sttd_dbus.h"
22 #include "sttd_engine_agent.h"
23 #include "sttd_main.h"
24 #include "sttd_recorder.h"
25 #include "sttd_server.h"
28 #define CLIENT_CLEAN_UP_TIME 500
31 static pthread_mutex_t stte_result_mutex = PTHREAD_MUTEX_INITIALIZER;
32 static pthread_mutex_t stte_result_time_mutex = PTHREAD_MUTEX_INITIALIZER;
36 * STT Server static variable
38 static double g_processing_timeout = 30;
40 static double g_recording_timeout = 60;
42 static Ecore_Timer* g_check_client_timer = NULL;
43 Ecore_Timer* g_recording_timer = NULL;
44 Ecore_Timer* g_processing_timer = NULL;
46 static int g_recording_log_count = 0;
48 static GList *g_proc_list = NULL;
51 * STT Server Callback Functions
53 void __stop_by_silence(void *data)
55 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by silence detection");
59 uid = stt_client_get_current_recognition();
63 ret = sttd_server_stop(uid);
68 if (STTD_RESULT_STATE_DONE == ret) {
69 ret = sttdc_send_set_state(uid, (int)APP_STATE_PROCESSING);
71 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send state : result(%d)", ret);
74 sttd_server_finalize(uid);
75 stt_client_unset_current_recognition();
79 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid is NOT valid");
82 SLOG(LOG_DEBUG, TAG_STTD, "=====");
83 SLOG(LOG_DEBUG, TAG_STTD, " ");
88 static void __cancel_recognition_internal()
90 if (NULL != g_recording_timer) {
91 ecore_timer_del(g_recording_timer);
92 g_recording_timer = NULL;
97 uid = stt_client_get_current_recognition();
99 app_state_e state = 0;
100 ret = sttd_client_get_state(uid, &state);
103 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
107 if (0 != uid && (APP_STATE_PROCESSING == state || APP_STATE_RECORDING == state)) {
108 /* cancel engine recognition */
109 ret = sttd_server_cancel(uid);
111 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
114 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid is NOT valid");
118 static void __cancel_by_error(void *data)
120 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by error");
122 __cancel_recognition_internal();
124 SLOG(LOG_DEBUG, TAG_STTD, "=====");
125 SLOG(LOG_DEBUG, TAG_STTD, " ");
130 int __server_audio_recorder_callback(const void* data, const unsigned int length)
135 if (NULL == data || 0 == length) {
136 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Recording data is not valid");
137 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
141 uid = stt_client_get_current_recognition();
143 ret = sttd_engine_agent_set_recording_data(data, length);
145 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
148 g_recording_log_count++;
149 if (200 <= g_recording_log_count) {
150 SLOG(LOG_DEBUG, TAG_STTD, "=== Set recording data ===");
151 g_recording_log_count = 0;
154 if (NULL != g_recording_timer) {
155 ecore_timer_del(g_recording_timer);
156 g_recording_timer = NULL;
158 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current uid in recording is is not valid");
165 void __server_audio_interrupt_callback()
167 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by sound interrupt");
169 __cancel_recognition_internal();
171 SLOG(LOG_DEBUG, TAG_STTD, "=====");
172 SLOG(LOG_DEBUG, TAG_STTD, " ");
175 void __cancel_by_no_record(void *data)
177 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by no record");
179 __cancel_recognition_internal();
181 SLOG(LOG_DEBUG, TAG_STTD, "=====");
182 SLOG(LOG_DEBUG, TAG_STTD, " ");
187 int __server_recognition_result_callback(stte_result_event_e event, const char* type,
188 const char** data, int data_count, const char* msg, void *user_data)
191 pthread_mutex_lock(&stte_result_mutex);
193 SLOG(LOG_DEBUG, TAG_STTD, "===== RESULT event[%d] type[%s] data[%p] data_count[%d]", event, type, data, data_count);
196 int uid = stt_client_get_current_recognition();
199 if (0 == uid || 0 != sttd_client_get_state(uid, &state)) {
200 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
201 SLOG(LOG_DEBUG, TAG_STTD, "=====");
202 SLOG(LOG_DEBUG, TAG_STTD, " ");
203 pthread_mutex_unlock(&stte_result_mutex);
204 return STTD_ERROR_OPERATION_FAILED;
207 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid (%d), event(%d)", uid, event);
209 /* send result to client */
210 if (STTE_RESULT_EVENT_FINAL_RESULT == event) {
211 if (APP_STATE_PROCESSING != state) {
212 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is NOT 'Processing'.");
214 SLOG(LOG_DEBUG, TAG_STTD, "[Server] the size of result from engine is '%d'", data_count);
216 /* Delete timer for processing time out */
217 if (NULL != g_processing_timer) {
218 ecore_timer_del(g_processing_timer);
219 g_processing_timer = NULL;
222 sttd_config_time_save();
223 sttd_config_time_reset();
225 sttd_recorder_clear();
227 sttd_client_set_state(uid, APP_STATE_READY);
228 stt_client_unset_current_recognition();
230 if (NULL == data || 0 == data_count) {
231 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
232 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
233 int reason = (int)STTD_ERROR_OPERATION_FAILED;
235 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
236 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
240 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
241 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
242 int reason = (int)STTD_ERROR_OPERATION_FAILED;
244 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
245 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
250 /* change state of uid */
251 // sttd_client_set_state(uid, APP_STATE_READY);
252 // stt_client_unset_current_recognition();
254 } else if (STTE_RESULT_EVENT_PARTIAL_RESULT == event) {
255 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The partial result from engine is event[%d] data_count[%d]", event, data_count);
257 sttd_config_time_save();
258 sttd_config_time_reset();
260 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
261 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
262 int reason = (int)STTD_ERROR_OPERATION_FAILED;
264 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
265 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
269 } else if (STTE_RESULT_EVENT_ERROR == event) {
270 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The event of recognition result is ERROR");
272 /* Delete timer for processing time out */
273 if (NULL != g_processing_timer) {
274 ecore_timer_del(g_processing_timer);
275 g_processing_timer = NULL;
277 sttd_config_time_reset();
280 if (APP_STATE_RECORDING == state) {
281 ret = sttd_engine_agent_recognize_cancel();
283 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel: result(%d)", ret);
287 sttd_client_set_state(uid, APP_STATE_READY);
288 stt_client_unset_current_recognition();
290 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
291 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
294 int reason = (int)STTD_ERROR_INVALID_STATE;
295 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
296 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
300 /* change state of uid */
301 // sttd_client_set_state(uid, APP_STATE_READY);
302 // stt_client_unset_current_recognition();
307 SLOG(LOG_DEBUG, TAG_STTD, "=====");
308 SLOG(LOG_DEBUG, TAG_STTD, " ");
309 pthread_mutex_unlock(&stte_result_mutex);
311 return STTD_ERROR_NONE;
314 bool __server_result_time_callback(int index, stte_result_time_event_e event, const char* text, long start_time, long end_time, void* user_data)
316 pthread_mutex_lock(&stte_result_time_mutex);
318 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Server] index(%d) event(%d) text(%s) start(%ld) end(%ld)",
319 index, event, text, start_time, end_time);
322 ret = sttd_config_time_add(index, (int)event, text, start_time, end_time);
324 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add time info");
325 pthread_mutex_unlock(&stte_result_time_mutex);
329 pthread_mutex_unlock(&stte_result_time_mutex);
334 int __server_speech_status_callback(stte_speech_status_e status, void *user_param)
336 SLOG(LOG_DEBUG, TAG_STTD, "===== Speech status detected Callback");
338 int uid = stt_client_get_current_recognition();
341 if (0 != sttd_client_get_state(uid, &state)) {
342 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is not valid ");
343 return STTD_ERROR_OPERATION_FAILED;
346 if (APP_STATE_RECORDING != state && APP_STATE_PROCESSING != state) {
347 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording, state(%d), status(%d)", state, status);
348 return STTD_ERROR_INVALID_STATE;
351 if (STTE_SPEECH_STATUS_BEGINNING_POINT_DETECTED == status) {
352 SLOG(LOG_DEBUG, TAG_STTD, "Begin Speech detected");
353 sttdc_send_speech_status(uid, status);
354 } else if (STTE_SPEECH_STATUS_END_POINT_DETECTED == status) {
355 SLOG(LOG_DEBUG, TAG_STTD, "End Speech detected");
356 ecore_main_loop_thread_safe_call_async(__stop_by_silence, NULL);
359 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current recogntion uid is not valid ");
362 SLOG(LOG_DEBUG, TAG_STTD, "=====");
363 SLOG(LOG_DEBUG, TAG_STTD, " ");
365 return STTD_ERROR_NONE;
368 int __server_error_callback(stte_error_e error, const char* msg)
370 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Error Callback is called");
371 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
373 return STTD_ERROR_NONE;
376 void __sttd_server_engine_changed_cb(const char* engine_id, const char* language, bool support_silence, bool need_credential, void* user_data)
378 if (NULL == engine_id) {
379 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Engine id is NULL");
382 SLOG(LOG_DEBUG, TAG_STTD, "[Server] New default engine : %s", engine_id);
386 /* need to change state of app to ready */
388 uid = stt_client_get_current_recognition();
391 SLOG(LOG_ERROR, TAG_STTD, "[Server] Set ready state of uid(%d)", uid);
393 sttd_server_cancel(uid);
394 sttdc_send_set_state(uid, (int)APP_STATE_READY);
396 stt_client_unset_current_recognition();
400 int ret = sttd_engine_agent_set_default_engine(engine_id);
402 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : result(%d)", ret);
404 if (NULL != language) {
405 ret = sttd_engine_agent_set_default_language(language);
407 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
410 ret = sttd_engine_agent_set_silence_detection(support_silence);
412 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
418 void __sttd_server_language_changed_cb(const char* language, void* user_data)
420 if (NULL == language) {
421 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] language is NULL");
424 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get language changed : %s", language);
427 int ret = sttd_engine_agent_set_default_language(language);
429 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
434 void __sttd_server_silence_changed_cb(bool value, void* user_data)
436 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get silence detection changed : %s", value ? "on" : "off");
439 ret = sttd_engine_agent_set_silence_detection(value);
441 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
449 int sttd_initialize(stte_request_callback_s *callback)
453 if (0 != pthread_mutex_init(&stte_result_mutex, NULL)) {
454 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte result mutex.");
457 if (0 != pthread_mutex_init(&stte_result_time_mutex, NULL)) {
458 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte stte_result_time_mutex.");
461 if (sttd_config_initialize(__sttd_server_engine_changed_cb, __sttd_server_language_changed_cb,
462 __sttd_server_silence_changed_cb, NULL)) {
463 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize config.");
466 ret = sttd_recorder_initialize(__server_audio_recorder_callback, __server_audio_interrupt_callback);
468 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize recorder : result(%d)", ret);
472 /* Engine Agent initialize */
473 ret = sttd_engine_agent_init(__server_recognition_result_callback, __server_result_time_callback,
474 __server_speech_status_callback, __server_error_callback);
476 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
481 ret = sttd_engine_agent_load_current_engine(callback);
483 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to load default engine");
487 g_check_client_timer = ecore_timer_add(CLIENT_CLEAN_UP_TIME, sttd_cleanup_client, NULL);
488 if (NULL == g_check_client_timer) {
489 SLOG(LOG_WARN, TAG_STTD, "[Main Warning] Fail to create timer of client check");
492 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] initialize");
499 if (0 != pthread_mutex_destroy(&stte_result_mutex)) {
500 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte result mutex.");
503 if (0 != pthread_mutex_destroy(&stte_result_time_mutex)) {
504 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte_result_time_mutex.");
508 if (0 < g_list_length(g_proc_list)) {
509 iter = g_list_first(g_proc_list);
510 while (NULL != iter) {
511 g_proc_list = g_list_remove_link(g_proc_list, iter);
512 iter = g_list_first(g_proc_list);
516 sttd_recorder_deinitialize();
518 sttd_config_finalize();
520 sttd_engine_agent_release();
522 if (NULL != g_check_client_timer) {
523 ecore_timer_del(g_check_client_timer);
524 g_check_client_timer = NULL;
526 SLOG(LOG_INFO, TAG_STTD, "[INFO] Delete ecore timer handle");
529 return STTD_ERROR_NONE;
532 static void __read_proc()
535 struct dirent *dirp = NULL;
539 if (0 < g_list_length(g_proc_list)) {
540 iter = g_list_first(g_proc_list);
541 while (NULL != iter) {
542 g_proc_list = g_list_remove_link(g_proc_list, iter);
543 iter = g_list_first(g_proc_list);
547 dp = opendir("/proc");
549 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to open proc");
555 tmp = atoi(dirp->d_name);
556 if (0 >= tmp) continue;
557 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
559 } while (NULL != dirp);
565 Eina_Bool sttd_cleanup_client(void *data)
567 int* client_list = NULL;
568 int client_count = 0;
573 if (0 != sttd_client_get_list(&client_list, &client_count)) {
574 if (NULL != client_list)
580 if (NULL != client_list) {
581 SLOG(LOG_DEBUG, TAG_STTD, "===== Clean up client ");
585 for (i = 0; i < client_count; i++) {
586 int pid = sttd_client_get_pid(client_list[i]);
588 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Invalid pid");
594 for (j = 0; j < g_list_length(g_proc_list); j++) {
595 iter = g_list_nth(g_proc_list, j);
597 if (pid == GPOINTER_TO_INT(iter->data)) {
598 SLOG(LOG_DEBUG, TAG_STTD, "uid (%d) is running", client_list[i]);
605 if (false == exist) {
606 SLOG(LOG_ERROR, TAG_STTD, "uid (%d) should be removed", client_list[i]);
607 sttd_server_finalize(client_list[i]);
610 result = sttdc_send_hello(client_list[i]);
613 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", client_list[i]);
614 sttd_server_finalize(client_list[i]);
615 } else if (-1 == result) {
616 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Hello result has error");
621 SLOG(LOG_DEBUG, TAG_STTD, "=====");
622 SLOG(LOG_DEBUG, TAG_STTD, " ");
631 * STT Server Functions for Client
634 int sttd_server_initialize(int pid, int uid, bool* silence, bool* credential)
636 int ret = STTD_ERROR_NONE;
638 /* check if uid is valid */
640 if (0 == sttd_client_get_state(uid, &state)) {
641 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid has already been registered");
642 return STTD_ERROR_NONE;
645 ret = sttd_engine_agent_get_option_supported(silence);
647 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine options supported");
651 ret = sttd_engine_agent_is_credential_needed(uid, credential);
653 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
657 /* Add client information to client manager */
658 ret = sttd_client_add(pid, uid);
660 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add client info");
664 return STTD_ERROR_NONE;
667 static Eina_Bool __quit_ecore_loop(void *data)
669 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Quit");
671 stt_network_finalize();
673 sttd_dbus_close_connection();
674 ecore_main_loop_quit();
676 SLOG(LOG_DEBUG, TAG_STTD, "");
681 int sttd_server_finalize(int uid)
683 /* check if uid is valid */
685 if (0 != sttd_client_get_state(uid, &state)) {
686 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
687 return STTD_ERROR_INVALID_PARAMETER;
690 /* release recorder */
691 if (APP_STATE_RECORDING == state || APP_STATE_PROCESSING == state) {
692 if (APP_STATE_RECORDING == state) {
693 if (NULL != g_recording_timer) {
694 ecore_timer_del(g_recording_timer);
695 g_recording_timer = NULL;
699 if (APP_STATE_PROCESSING == state) {
700 if (NULL != g_processing_timer) {
701 ecore_timer_del(g_processing_timer);
702 g_processing_timer = NULL;
706 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
707 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognition");
710 stt_client_unset_current_recognition();
713 /* Remove client information */
714 if (0 != sttd_client_delete(uid)) {
715 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to delete client");
718 /* unload engine, if ref count of client is 0 */
719 if (0 == sttd_client_get_ref_count()) {
720 // sttd_dbus_close_connection();
721 ecore_timer_add(0, __quit_ecore_loop, NULL);
724 return STTD_ERROR_NONE;
727 int sttd_server_get_supported_engines(int uid, GSList** engine_list)
729 /* Check if uid is valid */
731 if (0 != sttd_client_get_state(uid, &state)) {
732 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
733 return STTD_ERROR_INVALID_PARAMETER;
736 /* Check state of uid */
737 if (APP_STATE_READY != state) {
738 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
739 return STTD_ERROR_INVALID_STATE;
743 ret = sttd_engine_agent_get_engine_list(engine_list);
745 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine list");
749 return STTD_ERROR_NONE;
752 int sttd_server_set_current_engine(int uid, const char* engine_id, bool* silence, bool* credential)
754 /* Check if uid is valid */
756 if (0 != sttd_client_get_state(uid, &state)) {
757 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
758 return STTD_ERROR_INVALID_PARAMETER;
761 /* Check state of uid */
762 if (APP_STATE_READY != state) {
763 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
764 return STTD_ERROR_INVALID_STATE;
768 ret = sttd_engine_agent_load_current_engine(NULL);
770 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : %d", ret);
774 ret = sttd_engine_agent_get_option_supported(silence);
776 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine options : %d", ret);
780 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
781 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
785 return STTD_ERROR_NONE;
788 int sttd_server_get_current_engine(int uid, char** engine_id)
790 /* Check if uid is valid */
792 if (0 != sttd_client_get_state(uid, &state)) {
793 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
794 return STTD_ERROR_INVALID_PARAMETER;
797 /* Check state of uid */
798 if (APP_STATE_READY != state) {
799 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
800 return STTD_ERROR_INVALID_STATE;
804 ret = sttd_engine_agent_get_current_engine(engine_id);
806 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine : %d", ret);
810 return STTD_ERROR_NONE;
813 int sttd_server_check_app_agreed(int uid, const char* appid, bool* available)
815 /* Check if uid is valid */
817 if (0 != sttd_client_get_state(uid, &state)) {
818 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
819 return STTD_ERROR_INVALID_PARAMETER;
822 /* Check state of uid */
823 if (APP_STATE_READY != state) {
824 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
825 return STTD_ERROR_INVALID_STATE;
828 /* Ask engine available */
831 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
833 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
838 stt_client_set_app_agreed(uid);
839 SLOG(LOG_DEBUG, TAG_STTD, "[Server] App(%s) confirmed that engine is available", appid);
844 return STTD_ERROR_NONE;
848 int sttd_server_get_supported_languages(int uid, GSList** lang_list)
850 /* check if uid is valid */
852 if (0 != sttd_client_get_state(uid, &state)) {
853 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
854 return STTD_ERROR_INVALID_PARAMETER;
857 /* get language list from engine */
858 int ret = sttd_engine_agent_supported_langs(lang_list);
860 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get supported languages");
864 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] sttd_server_get_supported_languages");
866 return STTD_ERROR_NONE;
869 int sttd_server_get_current_langauage(int uid, char** current_lang)
871 /* check if uid is valid */
873 if (0 != sttd_client_get_state(uid, &state)) {
874 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
875 return STTD_ERROR_INVALID_PARAMETER;
878 if (NULL == current_lang) {
879 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
880 return STTD_ERROR_INVALID_PARAMETER;
883 /*get current language from engine */
884 int ret = sttd_engine_agent_get_default_lang(current_lang);
886 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get default language :result(%d)", ret);
890 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get default language");
892 return STTD_ERROR_NONE;
895 int sttd_server_set_private_data(int uid, const char* key, const char* data)
897 /* check if uid is valid */
899 if (0 != sttd_client_get_state(uid, &state)) {
900 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
901 return STTD_ERROR_INVALID_PARAMETER;
904 if (NULL == key || NULL == data) {
905 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
906 return STTD_ERROR_INVALID_PARAMETER;
909 /* set private data to engine */
911 ret = sttd_engine_agent_set_private_data(key, data);
913 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set private data :result(%d)", ret);
917 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Set private data");
919 return STTD_ERROR_NONE;
922 int sttd_server_get_private_data(int uid, const char* key, char** data)
924 /* check if uid is valid */
926 if (0 != sttd_client_get_state(uid, &state)) {
927 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
928 return STTD_ERROR_INVALID_PARAMETER;
931 if (NULL == key || NULL == data) {
932 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
933 return STTD_ERROR_INVALID_PARAMETER;
936 /* get private data to engine */
938 ret = sttd_engine_agent_get_private_data(key, data);
940 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get private data :result(%d)", ret);
944 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get private data, key(%s), data(%s)", key, *data);
946 return STTD_ERROR_NONE;
949 int sttd_server_is_recognition_type_supported(int uid, const char* type, int* support)
951 /* check if uid is valid */
953 if (0 != sttd_client_get_state(uid, &state)) {
954 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
955 return STTD_ERROR_INVALID_PARAMETER;
958 if (NULL == type || NULL == support) {
959 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
960 return STTD_ERROR_INVALID_PARAMETER;
964 int ret = sttd_engine_agent_is_recognition_type_supported(type, &temp);
966 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get recognition type supported : result(%d)", ret);
970 *support = (int)temp;
972 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] recognition type supporting is %s", *support ? "true" : "false");
974 return STTD_ERROR_NONE;
977 int sttd_server_set_start_sound(int uid, const char* file)
979 /* check if uid is valid */
981 if (0 != sttd_client_get_state(uid, &state)) {
982 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
983 return STTD_ERROR_INVALID_PARAMETER;
986 int ret = sttd_client_set_start_sound(uid, file);
988 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
995 int sttd_server_set_stop_sound(int uid, const char* file)
997 /* check if uid is valid */
999 if (0 != sttd_client_get_state(uid, &state)) {
1000 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1001 return STTD_ERROR_INVALID_PARAMETER;
1004 int ret = sttd_client_set_stop_sound(uid, file);
1006 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
1014 Eina_Bool __check_recording_state(void *data)
1017 int uid = stt_client_get_current_recognition();
1022 if (0 != sttdc_send_get_state(uid, (int*)&state)) {
1023 /* client is removed */
1024 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", uid);
1025 sttd_server_finalize(uid);
1029 if (APP_STATE_READY == state) {
1031 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Ready'. The STT service should cancel recording", uid);
1032 sttd_server_cancel(uid);
1033 } else if (APP_STATE_PROCESSING == state) {
1034 /* Cancel stt and send change state */
1035 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Processing'. The STT service should cancel recording", uid);
1036 sttd_server_cancel(uid);
1037 sttdc_send_set_state(uid, (int)APP_STATE_READY);
1040 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The states of STT service and client are identical");
1048 Eina_Bool __stop_by_recording_timeout(void *data)
1050 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by timeout");
1052 g_recording_timer = NULL;
1055 uid = stt_client_get_current_recognition();
1057 /* cancel engine recognition */
1058 int ret = sttd_server_stop(uid);
1060 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop : result(%d)", ret);
1064 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1065 SLOG(LOG_DEBUG, TAG_STTD, " ");
1070 void __sttd_server_recorder_start(void* data)
1072 intptr_t puid = (intptr_t)data;
1073 int uid = (int)puid;
1074 int current_uid = stt_client_get_current_recognition();
1076 if (uid != current_uid) {
1077 stt_client_unset_current_recognition();
1081 int ret = sttd_engine_agent_recognize_start_recorder(uid);
1083 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1087 app_state_e temp_app_state;
1088 sttd_client_get_state(uid, &temp_app_state);
1089 if (APP_STATE_READY != temp_app_state && 0 != stt_client_get_current_recognition()) {
1090 /* Notify uid state change */
1091 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1092 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1096 void __sttd_start_sound_completed_cb(int id, void *user_data)
1098 SLOG(LOG_DEBUG, TAG_STTD, "===== Start sound completed");
1100 /* After wav play callback, recorder start */
1101 ecore_main_loop_thread_safe_call_async(__sttd_server_recorder_start, user_data);
1103 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1104 SLOG(LOG_DEBUG, TAG_STTD, " ");
1108 int sttd_server_start(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential)
1110 if (NULL == lang || NULL == recognition_type) {
1111 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1112 return STTD_ERROR_INVALID_PARAMETER;
1115 /* check if uid is valid */
1117 if (0 != sttd_client_get_state(uid, &state)) {
1118 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1119 return STTD_ERROR_INVALID_PARAMETER;
1122 /* check uid state */
1123 if (APP_STATE_READY != state) {
1124 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1125 return STTD_ERROR_INVALID_STATE;
1129 if (false == stt_client_get_app_agreed(uid)) {
1131 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
1133 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1137 if (false == temp) {
1138 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1139 return STTD_ERROR_PERMISSION_DENIED;
1142 stt_client_set_app_agreed(uid);
1145 /* check if engine use network */
1146 if (true == sttd_engine_agent_need_network()) {
1147 if (false == stt_network_is_connected()) {
1148 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1149 return STTD_ERROR_OUT_OF_NETWORK;
1154 ret = sttd_client_get_start_sound(uid, &sound);
1156 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1160 if (0 != stt_client_set_current_recognition(uid)) {
1161 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1162 if (NULL != sound) free(sound);
1163 return STTD_ERROR_RECORDER_BUSY;
1166 /* engine start recognition */
1167 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s)",
1168 uid, lang, recognition_type);
1170 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start sound : %s", sound);
1172 /* 1. Set audio session */
1173 ret = sttd_recorder_set_audio_session();
1175 stt_client_unset_current_recognition();
1176 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1177 if (NULL != sound) free(sound);
1181 bool is_sound_done = false;
1183 /* 2. Request wav play */
1184 if (NULL != sound) {
1186 intptr_t puid = (intptr_t)uid;
1187 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_start_sound_completed_cb, (void*)puid, &id);
1188 if (WAV_PLAYER_ERROR_NONE != ret) {
1189 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1190 is_sound_done = true;
1195 is_sound_done = true;
1198 /* 3. Create recorder & engine initialize */
1199 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, appid, credential, NULL);
1201 stt_client_unset_current_recognition();
1202 sttd_recorder_unset_audio_session();
1203 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1207 if (0 != strcmp(STTE_RECOGNITION_TYPE_FREE_PARTIAL, recognition_type)) {
1208 g_recording_timer = ecore_timer_add(g_recording_timeout, __stop_by_recording_timeout, NULL);
1211 /* change uid state */
1212 sttd_client_set_state(uid, APP_STATE_RECORDING);
1214 g_recording_log_count = 0;
1216 app_state_e temp_app_state;
1218 if (true == is_sound_done) {
1219 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1221 ret = sttd_engine_agent_recognize_start_recorder(uid);
1223 stt_client_unset_current_recognition();
1224 sttd_recorder_unset_audio_session();
1226 sttd_engine_agent_recognize_cancel();
1227 ecore_timer_del(g_recording_timer);
1228 sttd_client_set_state(uid, APP_STATE_READY);
1230 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1234 sttd_client_get_state(uid, &temp_app_state);
1235 if (APP_STATE_READY != temp_app_state && 0 != stt_client_get_current_recognition()) {
1236 /* Notify uid state change */
1237 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1240 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1241 return STTD_RESULT_STATE_DONE;
1244 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Wait sound finish");
1246 return STTD_RESULT_STATE_NOT_DONE;
1249 Eina_Bool __time_out_for_processing(void *data)
1251 g_processing_timer = NULL;
1254 int uid = stt_client_get_current_recognition();
1255 if (0 == uid) return EINA_FALSE;
1258 int ret = sttd_engine_agent_recognize_cancel();
1260 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1263 if (0 != sttdc_send_result(uid, STTE_RESULT_EVENT_FINAL_RESULT, NULL, 0, "Time out not to receive recognition result.")) {
1264 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
1266 /* send error msg */
1267 int reason = (int)STTD_ERROR_TIMED_OUT;
1268 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
1269 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
1273 /* Change uid state */
1274 sttd_client_set_state(uid, APP_STATE_READY);
1276 stt_client_unset_current_recognition();
1281 void __sttd_server_engine_stop(void* data)
1283 intptr_t puid = (intptr_t)data;
1284 int uid = (int)puid;
1285 /* change uid state */
1286 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1288 /* Notify uid state change */
1289 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1291 /* Unset audio session */
1292 int ret = sttd_recorder_unset_audio_session();
1294 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1299 ret = sttd_engine_agent_recognize_stop_engine();
1301 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1305 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1308 void __sttd_stop_sound_completed_cb(int id, void *user_data)
1310 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop sound completed");
1312 /* After wav play callback, engine stop */
1313 ecore_main_loop_thread_safe_call_async(__sttd_server_engine_stop, user_data);
1315 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1316 SLOG(LOG_DEBUG, TAG_STTD, " ");
1320 int sttd_server_stop(int uid)
1322 /* check if uid is valid */
1324 if (0 != sttd_client_get_state(uid, &state)) {
1325 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1326 return STTD_ERROR_INVALID_PARAMETER;
1329 /* check uid state */
1330 if (APP_STATE_RECORDING != state) {
1331 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
1332 return STTD_ERROR_INVALID_STATE;
1335 if (NULL != g_recording_timer) {
1336 ecore_timer_del(g_recording_timer);
1337 g_recording_timer = NULL;
1341 if (0 != sttd_client_get_stop_sound(uid, &sound)) {
1342 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1343 return STTD_ERROR_OPERATION_FAILED;
1346 SLOG(LOG_DEBUG, TAG_STTD, "[Server] stop sound path : %s", sound);
1349 /* 1. Stop recorder */
1350 ret = sttd_engine_agent_recognize_stop_recorder();
1352 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1353 if (0 != sttd_engine_agent_recognize_cancel()) {
1354 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognize");
1356 if (NULL != sound) free(sound);
1360 /* 2. Request wav play */
1361 if (NULL != sound) {
1363 intptr_t puid = (intptr_t)uid;
1364 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_stop_sound_completed_cb, (void*)puid, &id);
1365 if (WAV_PLAYER_ERROR_NONE != ret) {
1366 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1368 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Play wav : %s", sound);
1373 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1375 return STTD_RESULT_STATE_NOT_DONE;
1377 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1379 /* Unset audio session */
1380 ret = sttd_recorder_unset_audio_session();
1382 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1387 ret = sttd_engine_agent_recognize_stop_engine();
1389 stt_client_unset_current_recognition();
1390 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1394 /* change uid state */
1395 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1397 /* Notify uid state change */
1398 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1400 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1402 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1404 return STTD_RESULT_STATE_DONE;
1407 return STTD_ERROR_NONE;
1410 int sttd_server_cancel(int uid)
1412 /* check if uid is valid */
1414 if (0 != sttd_client_get_state(uid, &state)) {
1415 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1416 return STTD_ERROR_INVALID_PARAMETER;
1419 /* check uid state */
1420 if (APP_STATE_READY == state) {
1421 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1422 return STTD_ERROR_NONE;
1425 stt_client_unset_current_recognition();
1427 if (NULL != g_recording_timer) {
1428 ecore_timer_del(g_recording_timer);
1429 g_recording_timer = NULL;
1432 if (NULL != g_processing_timer) {
1433 ecore_timer_del(g_processing_timer);
1434 g_processing_timer = NULL;
1437 if (APP_STATE_RECORDING == state) {
1438 /* Unset audio session */
1439 int ret = sttd_recorder_unset_audio_session();
1441 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1446 /* change uid state */
1447 sttd_client_set_state(uid, APP_STATE_READY);
1449 /* cancel engine recognition */
1450 int ret = sttd_engine_agent_recognize_cancel();
1452 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1456 /* Notify uid state change */
1457 sttdc_send_set_state(uid, APP_STATE_READY);
1459 return STTD_ERROR_NONE;
1462 int sttd_server_start_file(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential,
1463 const char* filepath, stte_audio_type_e audio_type, int sample_rate)
1465 if (NULL == lang || NULL == recognition_type || NULL == filepath) {
1466 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1467 return STTD_ERROR_INVALID_PARAMETER;
1470 /* check if uid is valid */
1472 if (0 != sttd_client_get_state(uid, &state)) {
1473 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1474 return STTD_ERROR_INVALID_PARAMETER;
1477 /* check uid state */
1478 if (APP_STATE_READY != state) {
1479 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1480 return STTD_ERROR_INVALID_STATE;
1484 if (false == stt_client_get_app_agreed(uid)) {
1486 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
1488 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1492 if (false == temp) {
1493 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1494 return STTD_ERROR_PERMISSION_DENIED;
1497 stt_client_set_app_agreed(uid);
1500 /* check if engine use network */
1501 if (true == sttd_engine_agent_need_network()) {
1502 if (false == stt_network_is_connected()) {
1503 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1504 return STTD_ERROR_OUT_OF_NETWORK;
1508 if (0 != stt_client_set_current_recognition(uid)) {
1509 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1510 return STTD_ERROR_RECORDER_BUSY;
1513 /* engine start recognition */
1514 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s), appid(%s), file(%s), audio_type(%d), sample_rate(%d)", uid, lang, recognition_type, appid, filepath, audio_type, sample_rate);
1516 /* 1. Set audio session */
1517 ret = sttd_recorder_set_audio_session();
1519 stt_client_unset_current_recognition();
1520 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1524 /* 2. Start engine to recognize */
1525 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, appid, credential, NULL);
1527 stt_client_unset_current_recognition();
1528 sttd_recorder_unset_audio_session();
1529 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start engine : result(%d)", ret);
1533 sttd_client_set_state(uid, APP_STATE_RECORDING);
1534 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1536 /* 3. Start to send pcm from file to engine */
1537 ret = sttd_engine_agent_recognize_start_file(uid, filepath);
1539 stt_client_unset_current_recognition();
1540 sttd_recorder_unset_audio_session();
1541 sttd_engine_agent_recognize_cancel();
1542 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start file : result(%d)", ret);
1546 /* 4. Stop to send pcm from file */
1547 ret = sttd_engine_agent_recognize_stop_file();
1549 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1550 stt_client_unset_current_recognition();
1551 sttd_recorder_unset_audio_session();
1552 sttd_engine_agent_recognize_cancel();
1556 /* 5. change & notify uid state */
1557 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1558 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1560 /* 6. Unset audio session */
1561 ret = sttd_recorder_unset_audio_session();
1563 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1564 stt_client_unset_current_recognition();
1568 /* 7. Stop engine */
1569 ret = sttd_engine_agent_recognize_stop_engine();
1571 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1572 stt_client_unset_current_recognition();
1576 return STTD_ERROR_NONE;
1579 int sttd_server_cancel_file(int uid)
1581 /* check if uid is valid */
1583 if (0 != sttd_client_get_state(uid, &state)) {
1584 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1585 return STTD_ERROR_INVALID_PARAMETER;
1588 /* check uid state */
1589 if (APP_STATE_READY == state) {
1590 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1591 return STTD_ERROR_NONE;
1594 stt_client_unset_current_recognition();
1596 if (NULL != g_recording_timer) {
1597 ecore_timer_del(g_recording_timer);
1598 g_recording_timer = NULL;
1601 if (NULL != g_processing_timer) {
1602 ecore_timer_del(g_processing_timer);
1603 g_processing_timer = NULL;
1606 if (APP_STATE_RECORDING == state) {
1607 /* Unset audio session */
1608 int ret = sttd_recorder_unset_audio_session();
1610 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1615 /* change uid state */
1616 sttd_client_set_state(uid, APP_STATE_READY);
1618 /* cancel engine recognition */
1619 int ret = sttd_engine_agent_recognize_cancel();
1621 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1625 /* Notify uid state change */
1626 sttdc_send_set_state(uid, APP_STATE_READY);
1628 return STTD_ERROR_NONE;