Merge "Add waiting for engine buffering" into tizen
[platform/core/uifw/tts.git] / server / ttsd_player.c
1 /*
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.
12 */
13
14 #include <audio_io.h>
15 #include <Ecore.h>
16 #include <sound_manager.h>
17 #include <sound_manager_internal.h>
18
19 #include "ttsd_main.h"
20 #include "ttsd_player.h"
21 #include "ttsd_data.h"
22 #include "ttsd_dbus.h"
23
24 #include "tts_internal.h"
25 #include "ttsd_server.h"
26
27 /*
28 * Internal data structure
29 */
30
31 typedef enum {
32         AUDIO_STATE_NONE = 0,
33         AUDIO_STATE_READY,
34         AUDIO_STATE_PLAY
35 } audio_state_e;
36
37 typedef struct {
38         int                     uid;    /** client id */
39         app_tts_state_e         state;  /** client state */
40
41         /* Current utterance information */
42         ttse_result_event_e     event;  /** event of last utterance */
43
44         bool                    is_paused_data;
45         int                     idx;
46         sound_data_s*           paused_data;
47 } player_s;
48
49 #define SOUND_BUFFER_LENGTH     2048
50 #define FOCUS_SERVER_READY "/tmp/.sound_server_ready"
51
52 /** player init info */
53 static bool g_player_init = false;
54
55 /** Client list */
56 static GList *g_player_list;
57
58 /** current player information */
59 static player_s* g_playing_info;
60
61 /* player state */
62 static audio_state_e g_audio_state;
63
64 static ttse_audio_type_e g_audio_type;
65
66 static int g_sampling_rate;
67
68 static audio_out_h g_audio_h;
69
70 static sound_stream_info_h g_stream_info_h;
71
72 static int g_focus_watch_id;
73 /*
74 * Internal Interfaces
75 */
76
77 player_s* __player_get_item(int uid)
78 {
79         GList *iter = NULL;
80         player_s *data = NULL;
81
82         if (0 < g_list_length(g_player_list)) {
83                 /* Get a first item */
84                 iter = g_list_first(g_player_list);
85
86                 while (NULL != iter) {
87                         /* Get handle data from list */
88                         data = (player_s*)iter->data;
89
90                         /* compare uid */
91                         if (uid == data->uid)
92                                 return data;
93
94                         /* Get next item */
95                         iter = g_list_next(iter);
96                 }
97         }
98
99         return NULL;
100 }
101
102 void __player_focus_state_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
103                                                         sound_stream_focus_change_reason_e reason_for_change, int sound_behavior, const char *extra_info, void *user_data)
104 {
105         SLOG(LOG_DEBUG, tts_tag(), "@@@ Focus state changed cb");
106
107         if (stream_info != g_stream_info_h) {
108                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Invalid stream info handle");
109                 return;
110         }
111         SLOG(LOG_WARN, tts_tag(), "[Player] focus state changed to (%d) with reason(%d) and extra info(%s)", (int)focus_state, (int)reason_for_change, extra_info);
112
113         if (AUDIO_STATE_PLAY == g_audio_state && focus_mask == SOUND_STREAM_FOCUS_FOR_PLAYBACK && SOUND_STREAM_FOCUS_STATE_RELEASED == focus_state) {
114                 if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
115                         g_audio_state = AUDIO_STATE_READY;
116
117                         if (NULL == g_playing_info) {
118                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] No current player");
119                                 return;
120                         }
121
122                         if (APP_STATE_PLAYING == g_playing_info->state) {
123                                 int uid = g_playing_info->uid;
124
125                                 if (0 != ttsd_player_pause(uid)) {
126                                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to pause the player");
127                                         return;
128                                 }
129
130                                 ttsd_data_set_client_state(uid, APP_STATE_PAUSED);
131                                 int pid = ttsd_data_get_pid(uid);
132                                 /* send message to client about changing state */
133                                 ttsdc_send_set_state_message(pid, uid, APP_STATE_PAUSED);
134                         }
135                 } else {
136                         SLOG(LOG_DEBUG, tts_tag(), "[Player] Ignore focus state cb - mode(%d)", ttsd_get_mode());
137                 }
138         }
139
140 /*      if (AUDIO_STATE_READY == g_audio_state && focus_mask == SOUND_STREAM_FOCUS_FOR_PLAYBACK && SOUND_STREAM_FOCUS_STATE_ACQUIRED == focus_state) {
141                 if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
142                         g_audio_state = AUDIO_STATE_PLAY;
143
144                         if (NULL == g_playing_info) {
145                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] No current player");
146                                 return;
147                         }
148
149                         if (APP_STATE_PAUSED == g_playing_info->state) {
150                                 int uid = g_playing_info->uid;
151
152                                 g_audio_state = AUDIO_STATE_PLAY;
153                                 if (0 != ttsd_player_resume(uid)) {
154                                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to resume the player");
155                                         g_audio_state = AUDIO_STATE_READY;
156                                         return;
157                                 }
158
159                                 ttsd_data_set_client_state(uid, APP_STATE_PLAYING);
160                                 int pid = ttsd_data_get_pid(uid);
161                                 ttsdc_send_set_state_message(pid, uid, APP_STATE_PLAYING);
162                         }
163
164                 } else {
165                         SLOG(LOG_DEBUG, tts_tag(), "[Player] Ignore focus state cb - mode(%d)", ttsd_get_mode());
166                 }
167         }
168 */
169         SLOG(LOG_DEBUG, tts_tag(), "@@@");
170
171         return;
172 }
173
174 void __player_focus_state_watch_cb(int id, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state, sound_stream_focus_change_reason_e reason,
175                                                                 const char *extra_info, void *user_data)
176 {
177         SLOG(LOG_DEBUG, tts_tag(), "@@@ Focus state watch cb");
178
179         ttsd_mode_e mode = ttsd_get_mode();
180
181         if (TTSD_MODE_SCREEN_READER != mode && TTSD_MODE_NOTIFICATION != mode) {
182                 SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] This is not screen-reader mode and notification mode.");
183                 return;
184         }
185
186         if (AUDIO_STATE_PLAY == g_audio_state && SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION == reason && 
187                         NULL != extra_info && 0 == strncmp(extra_info, "TTSD_MODE_INTERRUPT", strlen(extra_info))) {
188                 /* If the focus is changed by "Interrupt" mode and current players of "SR" and "Noti" modes are on going, please stop the current players. */
189                 g_audio_state = AUDIO_STATE_READY;
190
191                 if (NULL == g_playing_info) {
192                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] No current player");
193                         return;
194                 }
195
196                 if (APP_STATE_PLAYING == g_playing_info->state) {
197                         int uid = g_playing_info->uid;
198
199                         if (0 != ttsd_server_stop(uid)) {
200                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to stop TTS server");
201                                 return;
202                         }
203                         if (0 != ttsd_player_stop(uid)) {
204                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to stop the player");
205                                 return;
206                         }
207
208                         ttsd_data_set_client_state(uid, APP_STATE_READY);
209                         int pid = ttsd_data_get_pid(uid);
210                         /* send message to client about changing state */
211                         ttsdc_send_set_state_message(pid, uid, APP_STATE_READY);
212                 } else {
213                         SLOG(LOG_DEBUG, tts_tag(), "[Player] Not playing state");
214                 }
215         } else {
216                 SLOG(LOG_DEBUG, tts_tag(), "[Player] This is not Interrupt mode or not playing state.");
217         }
218
219         return;
220 }
221
222 static int __create_audio_out(ttse_audio_type_e type, int rate)
223 {
224         int ret = -1;
225         audio_sample_type_e sample_type;
226
227         if (TTSE_AUDIO_TYPE_RAW_S16 == type) {
228                 sample_type = AUDIO_SAMPLE_TYPE_S16_LE;
229         } else {
230                 sample_type = AUDIO_SAMPLE_TYPE_U8;
231         }
232
233         ret = audio_out_create_new(rate, AUDIO_CHANNEL_MONO, sample_type, &g_audio_h);
234         if (AUDIO_IO_ERROR_NONE != ret) {
235                 g_audio_state = AUDIO_STATE_NONE;
236                 g_audio_h = NULL;
237                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to create audio");
238                 return -1;
239         } else {
240                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Create audio");
241         }
242
243         g_audio_type = type;
244         g_sampling_rate = rate;
245
246         g_audio_state = AUDIO_STATE_READY;
247
248         return 0;
249 }
250
251 static int __destroy_audio_out()
252 {
253         if (NULL == g_audio_h) {
254                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Current handle is not valid");
255                 return -1;
256         }
257
258         int ret = -1;
259         ret = audio_out_destroy(g_audio_h);
260         if (AUDIO_IO_ERROR_NONE != ret) {
261                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to destroy audio");
262                 return -1;
263         } else {
264                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Destroy audio");
265         }
266
267         g_audio_type = 0;
268         g_sampling_rate = 0;
269
270         g_audio_state = AUDIO_STATE_NONE;
271         g_audio_h = NULL;
272
273         return 0;
274 }
275
276 static void __end_play_thread(void *data, Ecore_Thread *thread)
277 {
278         SLOG(LOG_ERROR, tts_tag(), "@@@ End thread");
279 }
280
281 static void __set_policy_for_playing(int volume)
282 {
283         /* Set stream info */
284         int ret;
285         ttsd_mode_e mode = ttsd_get_mode();
286         if (TTSD_MODE_DEFAULT == mode) {
287                 ret = sound_manager_acquire_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
288                 if (SOUND_MANAGER_ERROR_NONE != ret) {
289                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to acquire focus");
290                 } else {
291                         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Success to acquire focus (default mode)");
292                 }
293         } else if (TTSD_MODE_INTERRUPT == mode) {
294                 ret = sound_manager_acquire_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, "TTSD_MODE_INTERRUPT");
295                 if (SOUND_MANAGER_ERROR_NONE != ret) {
296                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to acquire focus");
297                 } else {
298                         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Success to acquire focus (interrupt mode)");
299                 }
300         }
301
302         ret = audio_out_set_sound_stream_info(g_audio_h, g_stream_info_h);
303         if (AUDIO_IO_ERROR_NONE != ret) {
304                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to set stream info");
305         }
306
307         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] set policy for playing");
308
309         return;
310 }
311
312 static void __unset_policy_for_playing()
313 {
314         int ret;
315         ttsd_mode_e mode = ttsd_get_mode();
316         /* Unset stream info */
317         if (TTSD_MODE_DEFAULT == mode || TTSD_MODE_INTERRUPT == mode) {
318                 sound_stream_focus_state_e state_for_playing = SOUND_STREAM_FOCUS_STATE_ACQUIRED;
319                 ret = sound_manager_get_focus_state(g_stream_info_h, &state_for_playing, NULL);
320                 if (SOUND_MANAGER_ERROR_NONE != ret) {
321                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to get focus state: %d", ret);
322                 }
323
324                 if (SOUND_STREAM_FOCUS_STATE_ACQUIRED == state_for_playing) {
325                         if (TTSD_MODE_DEFAULT == mode || TTSD_MODE_INTERRUPT == mode) {
326                                 ret = sound_manager_release_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
327                                 SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] release focus (mode: %d)", mode);
328                         }
329
330                         if (SOUND_MANAGER_ERROR_NONE != ret) {
331                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to release focus");
332                         }
333                 }
334         }
335
336         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] unset policy for playing");
337
338         return;
339 }
340
341 int ttsd_player_check_current_playback_focus(bool *is_current_interrupt)
342 {
343         int ret;
344         ttsd_mode_e mode = ttsd_get_mode();
345
346         if (TTSD_MODE_INTERRUPT != mode) {
347                 /* check the current playback focus */
348                 sound_stream_focus_change_reason_e reason;
349                 int sound_behavior = 0;
350                 char *extra_info = NULL;
351
352                 ret = sound_manager_get_current_playback_focus(&reason, &sound_behavior, &extra_info);
353
354                 SLOG(LOG_DEBUG, tts_tag(), "[Player] current playback focus: extra_info(%s), reason(%d), sound_behavior(%d)", extra_info, reason, sound_behavior, extra_info);
355
356                 if (SOUND_MANAGER_ERROR_NONE == ret && NULL != extra_info && 0 < strlen(extra_info)) {
357                         if (SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION == reason && 0 == strncmp(extra_info, "TTSD_MODE_INTERRUPT", strlen(extra_info))) {
358                                 SLOG(LOG_DEBUG, tts_tag(), "[Player] The current focus in Interrupt. Cannot play the requested sound data");
359                                 *is_current_interrupt = true;
360
361                                 free(extra_info);
362                                 extra_info = NULL;
363
364                                 return TTSD_ERROR_NONE;
365                         }
366                 }
367
368                 if (NULL != extra_info) {
369                         free(extra_info);
370                         extra_info = NULL;
371                 }
372         }
373
374         *is_current_interrupt = false;
375
376         return TTSD_ERROR_NONE;
377 }
378
379 static void __play_thread(void *data, Ecore_Thread *thread)
380 {
381         SLOG(LOG_DEBUG, tts_tag(), "@@@ Start thread");
382
383         if (NULL == g_playing_info) {
384                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] No current player");
385                 return;
386         }
387
388         player_s* player = g_playing_info;
389         sound_data_s* sound_data = NULL;
390
391         int ret = -1;
392         int len = SOUND_BUFFER_LENGTH;
393         int idx = 0;
394
395         /* set volume policy as 40% */
396         __set_policy_for_playing(40);
397         while (1) {
398                 if (true == player->is_paused_data) {
399                         /* Resume player */
400                         sound_data = player->paused_data;
401                         player->paused_data = NULL;
402
403                         idx = player->idx;
404
405                         player->is_paused_data = false;
406                         player->idx = 0;
407
408                         if (NULL == sound_data) {
409                                 /* Request unprepare */
410                                 ret = audio_out_unprepare(g_audio_h);
411                                 if (AUDIO_IO_ERROR_NONE != ret) {
412                                         SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
413                                 } else {
414                                         SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Unprepare audio");
415                                 }
416
417                                 g_audio_state = AUDIO_STATE_READY;
418
419                                 /* unset volume policy, volume will be 100% */
420                                 __unset_policy_for_playing();
421                                 return;
422                         }
423                         SLOG(LOG_INFO, tts_tag(), "[Player] Sound info : id(%d) data(%p) size(%d) audiotype(%d) rate(%d) event(%d)", 
424                                 sound_data->utt_id, sound_data->data, sound_data->data_size, sound_data->audio_type, sound_data->rate, sound_data->event);
425                 } else {
426                         sound_data = NULL;
427                         ret = ttsd_data_get_sound_data(player->uid, &sound_data);
428                         if (0 != ret || NULL == sound_data) {
429                                 /* empty queue */
430                                 SLOG(LOG_DEBUG, tts_tag(), "[Player] No sound data. Waiting mode");
431
432                                 /* wait for new audio data come */
433                                 while (1) {
434                                         usleep(10000);
435                                         if (NULL == g_playing_info) {
436                                                 /* current playing uid is replaced */
437                                                 SLOG(LOG_INFO, tts_tag(), "[Player] Finish thread");
438                                                 if (AUDIO_STATE_PLAY == g_audio_state) {
439                                                         /* release audio & recover session */
440                                                         ret = audio_out_unprepare(g_audio_h);
441                                                         if (AUDIO_IO_ERROR_NONE != ret) {
442                                                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
443                                                         } else {
444                                                                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Unprepare audio");
445                                                         }
446                                                         g_audio_state = AUDIO_STATE_READY;
447
448                                                         /* unset volume policy, volume will be 100% */
449                                                         __unset_policy_for_playing();
450                                                 }
451                                                 return;
452                                         } else if (0 < ttsd_data_get_sound_data_size(player->uid)) {
453                                                 /* new audio data come */
454                                                 SLOG(LOG_INFO, tts_tag(), "[Player] Resume thread");
455                                                 break;
456                                         }
457
458                                         /* If engine is not on processing */
459                                         if (TTSD_SYNTHESIS_CONTROL_DOING != ttsd_get_synth_control()) {
460                                                 if (AUDIO_STATE_PLAY == g_audio_state) {
461                                                         /* release audio & recover session */
462                                                         ret = audio_out_unprepare(g_audio_h);
463                                                         if (AUDIO_IO_ERROR_NONE != ret) {
464                                                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
465                                                         } else {
466                                                                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Unprepare audio");
467                                                         }
468                                                         g_audio_state = AUDIO_STATE_READY;
469
470                                                         /* unset volume policy, volume will be 100% */
471                                                         __unset_policy_for_playing();
472                                                 }
473                                         }
474                                 }
475
476                                 SLOG(LOG_INFO, tts_tag(), "[Player] Finish to wait for new audio data come");
477
478                                 if (AUDIO_STATE_READY == g_audio_state) {
479                                         /* set volume policy as 40%, when resume play thread*/
480                                         __set_policy_for_playing(40);
481                                 }
482
483                                 /* resume play thread */
484                                 player->state = APP_STATE_PLAYING;
485                                 continue;
486                         }
487
488                         /* If wdata's event is 'start', current wdata is first data of engine for synthesis.
489                          * If wdata's event is 'finish', player should check previous event to know whether this wdata is first or not.
490                          * When previous wdata's event is 'finish' and current wdata's event is 'finish',
491                          * the player should send utt started event.
492                          */
493                         if (TTSE_RESULT_EVENT_START == sound_data->event ||
494                            (TTSE_RESULT_EVENT_FINISH == player->event && TTSE_RESULT_EVENT_FINISH == sound_data->event)) {
495                                 int pid = ttsd_data_get_pid(player->uid);
496
497                                 if (pid <= 0) {
498                                         SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
499                                         /* unset volume policy, volume will be 100% */
500                                         __unset_policy_for_playing();
501
502                                         ttsd_data_clear_sound_data(&sound_data);
503                                         return;
504                                 }
505
506                                 if (0 != ttsdc_send_utt_start_message(pid, player->uid, sound_data->utt_id)) {
507                                         SLOG(LOG_ERROR, tts_tag(), "[Send ERROR] Fail to send Utterance Start Signal : pid(%d), uid(%d), uttid(%d)", 
508                                                 pid, player->uid, sound_data->utt_id);
509                                 }
510                                 SLOG(LOG_INFO, tts_tag(), "[Player] Start utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
511                         }
512
513                         /* Save last event to check utterance start */
514                         player->event = sound_data->event;
515                         idx = 0;
516
517                         if (NULL == sound_data->data || 0 >= sound_data->data_size) {
518                                 if (TTSE_RESULT_EVENT_FINISH == sound_data->event) {
519                                         SLOG(LOG_DEBUG, tts_tag(), "No sound data");
520                                         /* send utterence finish signal */
521                                         int pid = ttsd_data_get_pid(player->uid);
522
523                                         if (pid <= 0) {
524                                                 SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
525                                                 /* unset volume policy, volume will be 100% */
526                                                 __unset_policy_for_playing();
527                                                 ttsd_data_clear_sound_data(&sound_data);
528                                                 return;
529                                         }
530                                         if (0 != ttsdc_send_utt_finish_message(pid, player->uid, sound_data->utt_id)) {
531                                                 SLOG(LOG_ERROR, tts_tag(), "[Send ERROR] Fail to send Utterance Completed Signal : pid(%d), uid(%d), uttid(%d)", 
532                                                         pid, player->uid, sound_data->utt_id);
533                                         }
534                                 }
535                                 SLOG(LOG_INFO, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
536                                 ttsd_data_clear_sound_data(&sound_data);
537                                 continue;
538                         }
539                 }
540
541                 if (g_sampling_rate != sound_data->rate || g_audio_type != sound_data->audio_type) {
542                         SLOG(LOG_DEBUG, tts_tag(), "[Player] Change audio handle : org type(%d) org rate(%d)", g_audio_type, g_sampling_rate);
543                         if (NULL != g_audio_h) {
544                                 __destroy_audio_out();
545                         }
546
547                         if (0 > __create_audio_out(sound_data->audio_type, sound_data->rate)) {
548                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to create audio out");
549                                 /* unset volume policy, volume will be 100% */
550                                 __unset_policy_for_playing();
551
552                                 ttsd_data_clear_sound_data(&sound_data);
553
554                                 return;
555                         }
556
557                         __set_policy_for_playing(40);
558                 }
559
560                 while (APP_STATE_PLAYING == player->state || APP_STATE_PAUSED == player->state) {
561                         if ((unsigned int)idx >= sound_data->data_size)
562                                 break;
563
564                         if ((unsigned int)idx + SOUND_BUFFER_LENGTH > sound_data->data_size) {
565                                 len = sound_data->data_size - idx;
566                         } else {
567                                 len = SOUND_BUFFER_LENGTH;
568                         }
569
570                         if (AUDIO_STATE_READY == g_audio_state) {
571                                 /* Request prepare */
572                                 ret = audio_out_prepare(g_audio_h);
573                                 if (AUDIO_IO_ERROR_NONE != ret) {
574                                         SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to prepare audio : %d", ret);
575                                         g_playing_info = NULL;
576                                         /* unset volume policy, volume will be 100% */
577                                         __unset_policy_for_playing();
578
579                                         ttsd_data_clear_sound_data(&sound_data);
580
581                                         return;
582                                 }
583                                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Prepare audio");
584                                 g_audio_state = AUDIO_STATE_PLAY;
585                         }
586
587                         char* temp_data = sound_data->data;
588                         ret = audio_out_write(g_audio_h, &temp_data[idx], len);
589                         if (0 > ret) {
590                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to audio write - %d", ret);
591                         } else {
592                                 idx += len;
593                         }
594
595                         if (NULL == g_playing_info && APP_STATE_PAUSED != player->state) {
596                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Current player is NULL");
597                                 g_audio_state = AUDIO_STATE_READY;
598                                 ret = audio_out_unprepare(g_audio_h);
599                                 if (AUDIO_IO_ERROR_NONE != ret) {
600                                         SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
601                                 }
602                                 /* unset volume policy, volume will be 100% */
603                                 __unset_policy_for_playing();
604
605                                 ttsd_data_clear_sound_data(&sound_data);
606
607                                 return;
608                         }
609
610                         if (APP_STATE_PAUSED == player->state) {
611                                 /* Save data */
612                                 player->paused_data = sound_data;
613
614                                 player->is_paused_data = true;
615                                 player->idx = idx;
616
617                                 g_audio_state = AUDIO_STATE_READY;
618                                 SLOG(LOG_INFO, tts_tag(), "[Player] Stop player thread by pause");
619
620                                 /* Request prepare */
621                                 ret = audio_out_unprepare(g_audio_h);
622                                 if (AUDIO_IO_ERROR_NONE != ret) {
623                                         SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
624                                 } else {
625                                         SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Unprepare audio");
626                                 }
627                                 /* unset volume policy, volume will be 100% */
628                                 __unset_policy_for_playing();
629                                 return;
630                         }
631                 }
632
633                 if (NULL == g_playing_info && APP_STATE_READY == player->state) {
634                         /* player_stop */ 
635                         g_audio_state = AUDIO_STATE_READY;
636                         SLOG(LOG_DEBUG, tts_tag(), "[Player] Stop player thread");
637
638                         /* Request prepare */
639                         ret = audio_out_unprepare(g_audio_h);
640                         if (AUDIO_IO_ERROR_NONE != ret) {
641                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
642                         } else {
643                                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Unprepare audio");
644                         }
645
646                         ttsd_data_clear_sound_data(&sound_data);
647                         /* unset volume policy, volume will be 100% */
648                         __unset_policy_for_playing();
649                         return;
650                 }
651
652                 if ((APP_STATE_PLAYING == player->state || APP_STATE_PAUSED == player->state) &&
653                         (TTSE_RESULT_EVENT_FINISH == sound_data->event)) {
654                         /* send utterence finish signal */
655                         int pid = ttsd_data_get_pid(player->uid);
656
657                         if (pid <= 0) {
658                                 SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
659                                 /* unset volume policy, volume will be 100% */
660                                 __unset_policy_for_playing();
661
662                                 ttsd_data_clear_sound_data(&sound_data);
663                                 return;
664                         }
665
666                         if (0 != ttsdc_send_utt_finish_message(pid, player->uid, sound_data->utt_id)) {
667                                 SLOG(LOG_ERROR, tts_tag(), "[Send ERROR] Fail to send Utterance Completed Signal : pid(%d), uid(%d), uttid(%d)", 
668                                         pid, player->uid, sound_data->utt_id);
669                                 /* unset volume policy, volume will be 100% */
670                                 __unset_policy_for_playing();
671
672                                 ttsd_data_clear_sound_data(&sound_data);
673                                 return;
674                         }
675
676                         SLOG(LOG_INFO, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
677                 }
678
679                 ttsd_data_clear_sound_data(&sound_data);
680
681                 if (NULL == g_playing_info) {
682                         SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Current player is NULL");
683                         g_audio_state = AUDIO_STATE_READY;
684                         ret = audio_out_unprepare(g_audio_h);
685                         if (AUDIO_IO_ERROR_NONE != ret) {
686                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to unprepare audio : %d", ret);
687                         }
688                         /* unset volume policy, volume will be 100% */
689                         __unset_policy_for_playing();
690
691                         return;
692                 }
693         }
694 }
695
696 /*
697 * Player Interfaces
698 */
699 int ttsd_player_init()
700 {
701         g_playing_info = NULL;
702         g_audio_state = AUDIO_STATE_NONE;
703         g_audio_h = NULL;
704
705         int ret;
706
707         ecore_thread_max_set(1);
708
709         int cnt = 0;
710         while (1) {
711                 if (0 == access(FOCUS_SERVER_READY, F_OK)) {
712                         SLOG(LOG_ERROR, tts_tag(), "[Player SUCCESS] focus server is available");
713                         break;
714                 } else {
715                         if (0 == cnt++ % 10)
716                                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] focus server is not available");
717                         usleep(50000);
718                 }
719         }
720
721         ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_VOICE_INFORMATION, __player_focus_state_cb, NULL, &g_stream_info_h);
722         if (SOUND_MANAGER_ERROR_NONE != ret) {
723                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to create stream info");
724                 return -1;
725         } else {
726                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Create stream info");
727         }
728
729         /* add sound focus state watch callback */
730         ret = sound_manager_add_focus_state_watch_cb(SOUND_STREAM_FOCUS_FOR_PLAYBACK, __player_focus_state_watch_cb, NULL, &g_focus_watch_id);
731         if (SOUND_MANAGER_ERROR_NONE != ret) {
732                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to add sound focus watch callback");
733                 sound_manager_destroy_stream_information(g_stream_info_h);
734                 return -1;
735         } else {
736                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Add sound focus watch callback");
737         }
738
739         ecore_thread_max_set(1);
740
741         ret = __create_audio_out(TTSE_AUDIO_TYPE_RAW_S16, 16000);
742         if (0 != ret) {
743                 sound_manager_destroy_stream_information(g_stream_info_h);
744                 sound_manager_remove_focus_state_watch_cb(g_focus_watch_id);
745                 return -1;
746         }
747
748         g_player_init = true;
749
750         return 0;
751 }
752
753 int ttsd_player_release(void)
754 {
755         if (false == g_player_init) {
756                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
757                 return TTSD_ERROR_OPERATION_FAILED;
758         }
759
760         int ret;
761
762         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] @@@@@");
763         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
764         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] @@@@@");
765
766         /* The thread should be released */
767         int thread_count = ecore_thread_active_get();
768         int count = 0;
769         while (0 < thread_count) {
770                 usleep(10000);
771
772                 count++;
773                 if (20 == count) {
774                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING!!] Thread is blocked. Player release continue.");
775                         break;
776                 }
777
778                 thread_count = ecore_thread_active_get();
779         }
780
781         SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Thread is released");
782
783         ret = __destroy_audio_out();
784         if (0 != ret)
785                 return -1;
786
787         ret = sound_manager_destroy_stream_information(g_stream_info_h);
788         if (SOUND_MANAGER_ERROR_NONE != ret) {
789                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to destroy stream info");
790         } else {
791                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Destroy stream info");
792         }
793
794         /* remove focus state watch callback */
795         ret = sound_manager_remove_focus_state_watch_cb(g_focus_watch_id);
796         if (SOUND_MANAGER_ERROR_NONE != ret) {
797                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to remove the focus state watch cb");
798         } else {
799                 SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Remove the focus state watch cb");
800         }
801
802         /* clear g_player_list */
803         g_playing_info = NULL;
804         g_player_init = false;
805
806         return 0;
807 }
808
809 int ttsd_player_create_instance(int uid)
810 {
811         if (false == g_player_init) {
812                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
813                 return -1;
814         }
815
816         /* Check uid is duplicated */
817         if (NULL != __player_get_item(uid)) {
818                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is already registered", uid);
819                 return -1;
820         }
821
822         player_s* new_client = (player_s*)calloc(1, sizeof(player_s));
823         if (NULL == new_client) {
824                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to allocate memory");
825                 return TTSE_ERROR_OUT_OF_MEMORY;
826         }
827
828         new_client->uid = uid;
829         new_client->event = TTSE_RESULT_EVENT_FINISH;
830         new_client->state = APP_STATE_READY;
831         new_client->is_paused_data = false;
832         new_client->idx = 0;
833         new_client->paused_data = NULL;
834         
835         SECURE_SLOG(LOG_DEBUG, tts_tag(), "[Player] Create player : uid(%d)", uid);
836
837         g_player_list = g_list_append(g_player_list, new_client);
838
839         return 0;
840 }
841
842 int ttsd_player_destroy_instance(int uid)
843 {
844         if (false == g_player_init) {
845                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
846                 return -1;
847         }
848
849         player_s* current;
850         current = __player_get_item(uid);
851         if (NULL == current) {
852                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
853                 return -1;
854         }
855
856         if (NULL != g_playing_info) {
857                 if (uid == g_playing_info->uid) {
858                         g_playing_info = NULL;
859                 }
860         }
861
862         GList *iter = NULL;
863         player_s *data = NULL;
864
865         if (0 < g_list_length(g_player_list)) {
866                 /* Get a first item */
867                 iter = g_list_first(g_player_list);
868
869                 while (NULL != iter) {
870                         /* Get handle data from list */
871                         data = (player_s*)iter->data;
872
873                         if (NULL != data) {
874                                 /* compare uid */
875                                 if (uid == data->uid) {
876                                         g_player_list = g_list_remove_link(g_player_list, iter);
877                                         free(data);
878                                         g_list_free(iter);              
879                                         break;
880                                 }
881                         }
882
883                         /* Get next item */
884                         iter = g_list_next(iter);
885                 }
886         }
887
888         SLOG(LOG_DEBUG, tts_tag(), "[PLAYER Success] Destroy instance");
889
890         return 0;
891 }
892
893 int ttsd_player_play(int uid)
894 {
895         if (false == g_player_init) {
896                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
897                 return -1;
898         }
899
900         if (NULL != g_playing_info) {
901                 if (uid == g_playing_info->uid) {
902                         SLOG(LOG_DEBUG, tts_tag(), "[Player] uid(%d) has already played", g_playing_info->uid);
903                         return 0;
904                 } else {
905                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] stop old player (%d)", g_playing_info->uid);
906                         ttsd_player_stop(g_playing_info->uid);
907                 }
908         }
909
910         SLOG(LOG_DEBUG, tts_tag(), "[Player] start play : uid(%d)", uid);
911
912         /* Check sound queue size */
913         if (0 == ttsd_data_get_sound_data_size(uid)) {
914                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] A sound queue of current player(%d) is empty", uid);
915                 return -1;
916         }
917
918         /* Check uid */
919         player_s* current;
920         current = __player_get_item(uid);
921         if (NULL == current) {
922                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
923                 return -1;
924         }
925
926         current->state = APP_STATE_PLAYING;
927
928         g_playing_info = current;
929
930         SLOG(LOG_INFO, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
931
932         if (0 < ttsd_data_get_sound_data_size(current->uid)) {
933                 SLOG(LOG_INFO, tts_tag(), "[Player] Run thread");
934                 ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
935         }
936
937         return 0;
938 }
939
940 int ttsd_player_stop(int uid)
941 {
942         if (false == g_player_init) {
943                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
944                 return -1;
945         }
946
947         /* Check uid */
948         player_s* current;
949         current = __player_get_item(uid);
950         if (NULL == current) {
951                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
952                 return -1;
953         }
954
955         /* check whether uid is current playing or not */
956         if (NULL != g_playing_info) {
957                 if (uid == g_playing_info->uid) {
958                         /* release current playing info */
959                         g_playing_info = NULL;
960                 }
961         } else {
962                 SLOG(LOG_DEBUG, tts_tag(), "[Player] No current playing");
963         }
964
965         if (true == current->is_paused_data) {
966                 if (NULL != current->paused_data) {
967                         if (NULL != current->paused_data->data) {
968                                 free(current->paused_data->data);
969                                 current->paused_data->data = NULL;
970                         }
971
972                         free(current->paused_data);
973                         current->paused_data = NULL;
974                 }
975         }
976
977         current->event = TTSE_RESULT_EVENT_FINISH;
978         current->state = APP_STATE_READY;
979         current->is_paused_data = false;
980         current->idx = 0;
981
982         if (NULL == g_playing_info) {
983                 SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
984                 SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
985                 SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
986
987                 /* The thread should be released */
988                 int thread_count = ecore_thread_active_get();
989                 int count = 0;
990                 while (0 < thread_count) {
991                         usleep(10000);
992
993                         count++;
994                         if (30 == count) {
995                                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING!!] Thread is blocked. Player release continue.");
996                                 break;
997                         }
998
999                         thread_count = ecore_thread_active_get();
1000                 }
1001
1002                 SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1003                 SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
1004                 SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1005         }
1006
1007         SLOG(LOG_INFO, tts_tag(), "[Player SUCCESS] Stop player : uid(%d)", uid);
1008
1009         return 0;
1010 }
1011
1012 int ttsd_player_clear(int uid)
1013 {
1014         if (false == g_player_init) {
1015                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
1016                 return -1;
1017         }
1018
1019         /* Check uid */
1020         player_s* current;
1021         current = __player_get_item(uid);
1022         if (NULL == current) {
1023                 SECURE_SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid); 
1024                 return -1;
1025         }
1026
1027         if (true == current->is_paused_data) {
1028                 if (NULL != current->paused_data) {
1029                         if (NULL != current->paused_data->data) {
1030                                 free(current->paused_data->data);
1031                                 current->paused_data->data = NULL;
1032                         }
1033
1034                         free(current->paused_data);
1035                         current->paused_data = NULL;
1036                 }
1037         }
1038
1039         current->event = TTSE_RESULT_EVENT_FINISH;
1040         current->state = APP_STATE_READY;
1041         current->is_paused_data = false;
1042         current->idx = 0;
1043
1044         SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Clear player : uid(%d)", uid);
1045
1046         return 0;
1047 }
1048
1049 int ttsd_player_pause(int uid)
1050 {
1051         SLOG(LOG_DEBUG, tts_tag(), "[Player] pause player : uid(%d)", uid);
1052
1053         if (false == g_player_init) {
1054                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
1055                 return -1;
1056         }
1057
1058         /* Check uid */
1059         player_s* current;
1060         current = __player_get_item(uid);
1061         if (NULL == current) {
1062                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] ttsd_player_pause() : uid(%d) is not valid", uid);
1063                 return -1;
1064         }
1065
1066         /* check whether uid is current playing or not */
1067         if (NULL != g_playing_info) {
1068                 if (uid == g_playing_info->uid) {
1069                         /* release current playing info */
1070                         g_playing_info = NULL;
1071                 } else {
1072                         /* error case */
1073                 }
1074         }
1075
1076         current->state = APP_STATE_PAUSED;
1077
1078         SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1079         SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
1080         SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1081
1082         /* The thread should be released */
1083         int thread_count = ecore_thread_active_get();
1084         int count = 0;
1085         while (0 < thread_count) {
1086                 usleep(10000);
1087
1088                 count++;
1089                 if (30 == count) {
1090                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING!!] Thread is blocked. Player release continue.");
1091                         break;
1092                 }
1093
1094                 thread_count = ecore_thread_active_get();
1095         }
1096
1097         SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1098         SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
1099         SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
1100
1101         SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Pause player : uid(%d)", uid);
1102
1103         return 0;
1104 }
1105
1106 int ttsd_player_resume(int uid)
1107 {
1108         SLOG(LOG_DEBUG, tts_tag(), "[Player] Resume player : uid(%d)", uid);
1109
1110         if (false == g_player_init) {
1111                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
1112                 return -1;
1113         }
1114
1115         /* Check id */
1116         player_s* current;
1117         current = __player_get_item(uid);
1118         if (NULL == current) {
1119                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
1120                 return -1;
1121         }
1122
1123         /* check current player */
1124         if (NULL != g_playing_info)
1125                 g_playing_info = NULL;
1126
1127         current->state = APP_STATE_PLAYING;
1128         g_playing_info = current;
1129
1130         SLOG(LOG_INFO, tts_tag(), "[Player] Resume to run thread");
1131         ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
1132
1133         return 0;
1134 }
1135
1136 int ttsd_player_all_stop()
1137 {
1138         if (false == g_player_init) {
1139                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
1140                 return -1;
1141         }
1142
1143         g_playing_info = NULL;
1144
1145         GList *iter = NULL;
1146         player_s *data = NULL;
1147
1148         if (0 < g_list_length(g_player_list)) {
1149                 /* Get a first item */
1150                 iter = g_list_first(g_player_list);
1151
1152                 while (NULL != iter) {
1153                         /* Get handle data from list */
1154                         data = (player_s*)iter->data;
1155
1156                         app_tts_state_e state;
1157                         if (0 > ttsd_data_get_client_state(data->uid, &state)) {
1158                                 SLOG(LOG_ERROR, tts_tag(), "[player ERROR] uid(%d) is not valid", data->uid);
1159                                 ttsd_player_destroy_instance(data->uid);
1160                                 iter = g_list_next(iter);
1161                                 continue;
1162                         }
1163
1164                         if (APP_STATE_PLAYING == state || APP_STATE_PAUSED == state) {
1165                                 data->event = TTSE_RESULT_EVENT_FINISH;
1166                                 data->state = APP_STATE_READY;
1167
1168                                 if (true == data->is_paused_data) {
1169                                         if (NULL != data->paused_data) {
1170                                                 if (NULL != data->paused_data->data) {
1171                                                         free(data->paused_data->data);
1172                                                         data->paused_data->data = NULL;
1173                                                 }
1174
1175                                                 free(data->paused_data);
1176                                                 data->paused_data = NULL;
1177                                         }
1178                                 }
1179
1180                                 data->is_paused_data = false;
1181                                 data->idx = 0;
1182                         }
1183
1184                         /* Get next item */
1185                         iter = g_list_next(iter);
1186                 }
1187         }
1188
1189         SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] player all stop!!");
1190
1191         return 0;
1192 }
1193
1194 int ttsd_player_play_pcm(int uid)
1195 {
1196         if (false == g_player_init) {
1197                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
1198                 return -1;
1199         }
1200
1201         if (NULL != g_playing_info) {
1202                 if (uid == g_playing_info->uid) {
1203                         SLOG(LOG_DEBUG, tts_tag(), "[Player] uid(%d) has already played", g_playing_info->uid);
1204                         return 0;
1205                 } else {
1206                         SLOG(LOG_WARN, tts_tag(), "[Player WARNING] stop old player (%d)", g_playing_info->uid);
1207                         ttsd_player_stop(g_playing_info->uid);
1208                 }
1209         }
1210
1211         SLOG(LOG_DEBUG, tts_tag(), "[Player] start play : uid(%d)", uid);
1212
1213         /* Check sound queue size */
1214         if (0 == ttsd_data_get_sound_data_size(uid)) {
1215                 SLOG(LOG_WARN, tts_tag(), "[Player WARNING] A sound queue of current player(%d) is empty", uid);
1216         }
1217
1218         /* Check uid */
1219         player_s* current;
1220         current = __player_get_item(uid);
1221         if (NULL == current) {
1222                 SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
1223                 return -1;
1224         }
1225
1226         current->state = APP_STATE_PLAYING;
1227
1228         g_playing_info = current;
1229
1230         SLOG(LOG_INFO, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
1231
1232         if (0 <= ttsd_data_get_sound_data_size(current->uid)) {
1233                 SLOG(LOG_INFO, tts_tag(), "[Player] Run thread");
1234                 ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
1235         }
1236
1237         return 0;
1238 }
1239