2 * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
28 * @addtogroup CAPI_UIX_TTS_MODULE
37 * @brief Enumeration for error code.
38 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
41 TTS_ERROR_NONE = TIZEN_ERROR_NONE, /**< Successful */
42 TTS_ERROR_OUT_OF_MEMORY = TIZEN_ERROR_OUT_OF_MEMORY, /**< Out of Memory */
43 TTS_ERROR_IO_ERROR = TIZEN_ERROR_IO_ERROR, /**< I/O error */
44 TTS_ERROR_INVALID_PARAMETER = TIZEN_ERROR_INVALID_PARAMETER,/**< Invalid parameter */
45 TTS_ERROR_OUT_OF_NETWORK = TIZEN_ERROR_NETWORK_DOWN, /**< Network is down */
46 TTS_ERROR_TIMED_OUT = TIZEN_ERROR_TIMED_OUT, /**< No answer from the daemon */
47 TTS_ERROR_PERMISSION_DENIED = TIZEN_ERROR_PERMISSION_DENIED,/**< Permission denied */
48 TTS_ERROR_NOT_SUPPORTED = TIZEN_ERROR_NOT_SUPPORTED, /**< TTS NOT supported */
49 TTS_ERROR_INVALID_STATE = TIZEN_ERROR_TTS | 0x01, /**< Invalid state */
50 TTS_ERROR_INVALID_VOICE = TIZEN_ERROR_TTS | 0x02, /**< Invalid voice */
51 TTS_ERROR_ENGINE_NOT_FOUND = TIZEN_ERROR_TTS | 0x03, /**< No available engine */
52 TTS_ERROR_OPERATION_FAILED = TIZEN_ERROR_TTS | 0x04, /**< Operation failed */
53 TTS_ERROR_AUDIO_POLICY_BLOCKED = TIZEN_ERROR_TTS | 0x05 /**< Audio policy blocked */
57 * @brief Enumeration for TTS mode.
58 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
61 TTS_MODE_DEFAULT = 0, /**< Default mode for normal application */
62 TTS_MODE_NOTIFICATION = 1, /**< Notification mode */
63 TTS_MODE_SCREEN_READER = 2 /**< Accessibiliity mode */
67 * @brief Enumerations for state.
68 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
71 TTS_STATE_CREATED = 0, /**< 'CREATED' state */
72 TTS_STATE_READY = 1, /**< 'READY' state */
73 TTS_STATE_PLAYING = 2, /**< 'PLAYING' state */
74 TTS_STATE_PAUSED = 3 /**< 'PAUSED' state*/
78 * @brief Definitions for automatic speaking speed.
79 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
81 #define TTS_SPEED_AUTO 0
84 * @brief Definitions for automatic voice type.
85 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
87 #define TTS_VOICE_TYPE_AUTO 0
90 * @brief Definitions for male voice type.
91 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
93 #define TTS_VOICE_TYPE_MALE 1
96 * @brief Definitions for female voice type.
97 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
99 #define TTS_VOICE_TYPE_FEMALE 2
102 * @brief Definitions for child voice type.
103 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
105 #define TTS_VOICE_TYPE_CHILD 3
108 * @brief The TTS handle.
109 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
111 typedef struct tts_s *tts_h;
115 * @brief Called when the state of TTS is changed.
116 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
118 * @details If the daemon must stop player because of changing engine and
119 * the daemon must pause player because of other requests, this callback function is called.
121 * @param[in] tts The TTS handle
122 * @param[in] previous The previous state
123 * @param[in] current The current state
124 * @param[in] user_data The user data passed from the callback registration function
126 * @pre An application registers this callback using tts_set_state_changed_cb() to detect changing state.
128 * @see tts_set_state_changed_cb()
129 * @see tts_unset_state_changed_cb()
131 typedef void (*tts_state_changed_cb)(tts_h tts, tts_state_e previous, tts_state_e current, void* user_data);
134 * @brief Called when utterance has started.
135 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
137 * @param[in] tts The TTS handle
138 * @param[in] utt_id The utterance ID passed from the add text function
139 * @param[in] user_data The user data passed from the callback registration function
141 * @pre An application registers this callback using tts_set_utterance_started_cb() to detect utterance started.
143 * @see tts_add_text()
144 * @see tts_set_utterance_started_cb()
145 * @see tts_unset_utterance_started_cb()
147 typedef void (*tts_utterance_started_cb)(tts_h tts, int utt_id, void* user_data);
150 * @brief Called when utterance is finished.
151 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
153 * @param[in] tts The TTS handle
154 * @param[in] utt_id The utterance ID passed from the add text function
155 * @param[in] user_data The user data passed from the callback registration function
157 * @pre An application registers this callback using tts_set_utterance_completed_cb() to detect utterance completed.
159 * @see tts_add_text()
160 * @see tts_set_utterance_completed_cb()
161 * @see tts_unset_utterance_completed_cb()
163 typedef void (*tts_utterance_completed_cb)(tts_h tts, int utt_id, void *user_data);
166 * @brief Called when an error occurs.
167 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
169 * @param[in] tts The TTS handle
170 * @param[in] utt_id The utterance ID passed from the add text function
171 * @param[in] reason The error code
172 * @param[in] user_data The user data passed from the callback registration function
174 * @pre An application registers this callback using tts_set_error_cb() to detect error.
179 * @see tts_set_error_cb()
180 * @see tts_unset_error_cb()
182 typedef void (*tts_error_cb)(tts_h tts, int utt_id, tts_error_e reason, void* user_data);
185 * @brief Called to retrieve the supported voice.
186 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
188 * @param[in] tts The TTS handle
189 * @param[in] language Language specified as an ISO 3166 alpha-2 two letter country-code followed by ISO 639-1 for the two-letter language code (for example, "ko_KR" for Korean, "en_US" for American English)
190 * @param[in] voice_type A voice type (e.g. #TTS_VOICE_TYPE_MALE, #TTS_VOICE_TYPE_FEMALE)
191 * @param[in] user_data The user data passed from the foreach function
193 * @return @c true to continue with the next iteration of the loop, \n @c false to break out of the loop
194 * @pre tts_foreach_supported_voices() will invoke this callback function.
196 * @see tts_foreach_supported_voices()
198 typedef bool(*tts_supported_voice_cb)(tts_h tts, const char* language, int voice_type, void* user_data);
201 * @brief Called when the default voice is changed.
202 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
204 * @param[in] tts The TTS handle
205 * @param[in] previous_language The previous language
206 * @param[in] previous_voice_type The previous voice type
207 * @param[in] current_language The current language
208 * @param[in] current_voice_type The current voice type
209 * @param[in] user_data The user data passed from the callback registration function
211 * @see tts_set_default_voice_changed_cb()
213 typedef void (*tts_default_voice_changed_cb)(tts_h tts, const char* previous_language, int previous_voice_type,
214 const char* current_language, int current_voice_type, void* user_data);
218 * @brief Creates a handle for TTS.
219 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
221 * @remarks If the function succeeds, @a tts handle must be released with tts_destroy().
223 * @param[out] tts The TTS handle
225 * @return 0 on success, otherwise a negative error value
226 * @retval #TTS_ERROR_NONE Successful
227 * @retval #TTS_ERROR_OUT_OF_MEMORY Out of memory
228 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
229 * @retval #TTS_ERROR_ENGINE_NOT_FOUND Engine not found
230 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
231 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
233 * @post If this function is called, the TTS state will be #TTS_STATE_CREATED.
237 int tts_create(tts_h* tts);
240 * @brief Destroys the handle and disconnects the daemon.
241 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
243 * @param[in] tts The TTS handle
245 * @return 0 on success, otherwise a negative error value
246 * @retval #TTS_ERROR_NONE Successful
247 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
248 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
249 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
253 int tts_destroy(tts_h tts);
256 * @brief Sets the TTS mode.
257 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
259 * @param[in] tts The TTS handle
260 * @param[in] mode The mode
262 * @return 0 on success, otherwise a negative error value
263 * @retval #TTS_ERROR_NONE Successful
264 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
265 * @retval #TTS_ERROR_INVALID_STATE Invalid state
266 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
267 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
269 * @pre The state should be #TTS_STATE_CREATED.
271 * @see tts_get_mode()
273 int tts_set_mode(tts_h tts, tts_mode_e mode);
276 * @brief Gets the TTS mode.
277 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
279 * @param[in] tts The TTS handle
280 * @param[out] mode The mode
282 * @return 0 on success, otherwise a negative error value
283 * @retval #TTS_ERROR_NONE Successful
284 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
285 * @retval #TTS_ERROR_INVALID_STATE Invalid state
286 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
288 * @pre The state should be #TTS_STATE_CREATED.
290 * @see tts_set_mode()
292 int tts_get_mode(tts_h tts, tts_mode_e* mode);
295 * @brief Connects the daemon asynchronously.
296 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
298 * @param[in] tts The TTS handle
300 * @return 0 on success, otherwise a negative error value
301 * @retval #TTS_ERROR_NONE Successful
302 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
303 * @retval #TTS_ERROR_INVALID_STATE Invalid state
304 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
306 * @pre The state should be #TTS_STATE_CREATED.
307 * @post If this function is successful, the TTS state will be #TTS_STATE_READY. \n
308 * If this function is failed, the error callback is called. (e.g. #TTS_ERROR_ENGINE_NOT_FOUND)
310 * @see tts_unprepare()
312 int tts_prepare(tts_h tts);
315 * @brief Disconnects the daemon.
316 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
318 * @param[in] tts The TTS handle
320 * @return 0 on success, otherwise a negative error value
321 * @retval #TTS_ERROR_NONE Successful
322 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
323 * @retval #TTS_ERROR_INVALID_STATE Invalid state
324 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
326 * @pre The state should be #TTS_STATE_READY.
327 * @post If this function is called, the TTS state will be #TTS_STATE_CREATED.
331 int tts_unprepare(tts_h tts);
334 * @brief Retrieves all supported voices of the current engine using callback function.
335 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
337 * @param[in] tts The TTS handle
338 * @param[in] callback The callback function to invoke
339 * @param[in] user_data The user data to be passed to the callback function
341 * @return 0 on success, otherwise a negative error value
342 * @retval #TTS_ERROR_NONE Successful
343 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
344 * @retval #TTS_ERROR_ENGINE_NOT_FOUND Engine not found
345 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
346 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
348 * @post This function invokes tts_supported_voice_cb() repeatedly for getting voices.
350 * @see tts_get_default_voice()
352 int tts_foreach_supported_voices(tts_h tts, tts_supported_voice_cb callback, void* user_data);
355 * @brief Gets the default voice set by the user.
356 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
358 * @remarks If the function succeeds, @a language must be released with free().
360 * @param[in] tts The TTS handle
361 * @param[out] language Language specified as an ISO 3166 alpha-2 two letter country-code followed by ISO 639-1 for the two-letter language code (for example, "ko_KR" for Korean, "en_US" for American English)
362 * @param[out] voice_type The voice type
364 * @return 0 on success, otherwise a negative error value
365 * @retval #TTS_ERROR_NONE Successful
366 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
367 * @retval #TTS_ERROR_ENGINE_NOT_FOUND Engine not found
368 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
369 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
371 * @see tts_foreach_supported_voices()
373 int tts_get_default_voice(tts_h tts, char** language, int* voice_type);
376 * @brief Sets the private data to tts engine.
379 * @param[in] tts The TTS handle
380 * @param[in] key The field name of private data
381 * @param[in] data The data for set
383 * @return 0 on success, otherwise a negative error value
384 * @retval #TTS_ERROR_NONE Successful
385 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
386 * @retval #TTS_ERROR_INVALID_STATE Invalid state
387 * @retval #TTS_ERROR_ENGINE_NOT_FOUND Engine not found
388 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
389 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
391 * @pre The state should be #TTS_STATE_READY.
393 * @see tts_get_private_data()
395 int tts_set_private_data(tts_h tts, const char* key, const char* data);
398 * @brief Gets the private data from tts engine.
401 * @param[in] tts The TTS handle
402 * @param[in] key The field name of private data
403 * @param[out] data The data
405 * @return 0 on success, otherwise a negative error value
406 * @retval #TTS_ERROR_NONE Successful
407 * @retval #TTS_ERROR_INVALID_STATE Invalid state
408 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
409 * @retval #TTS_ERROR_ENGINE_NOT_FOUND Engine not found
410 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
411 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
413 * @pre The state should be #TTS_STATE_READY.
415 * @see tts_set_private_data()
417 int tts_get_private_data(tts_h tts, const char* key, char** data);
420 * @brief Gets the maximum byte size for text.
421 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
423 * @param[in] tts The TTS handle
424 * @param[out] size The maximum byte size for text
426 * @return 0 on success, otherwise a negative error value
427 * @retval #TTS_ERROR_NONE Successful
428 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
429 * @retval #TTS_ERROR_INVALID_STATE Invalid state
430 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
432 * @pre The state should be #TTS_STATE_READY.
434 * @see tts_add_text()
436 int tts_get_max_text_size(tts_h tts, unsigned int* size);
439 * @brief Gets the current state of TTS.
440 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
442 * @param[in] tts The TTS handle
443 * @param[out] state The current state of TTS
445 * @return 0 on success, otherwise a negative error value
446 * @retval #TTS_ERROR_NONE Successful
447 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
448 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
454 int tts_get_state(tts_h tts, tts_state_e* state);
457 * @brief Gets the speed range.
458 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
460 * @param[in] tts The TTS handle
461 * @param[out] min The minimun speed value
462 * @param[out] normal The normal speed value
463 * @param[out] max The maximum speed value
465 * @return 0 on success, otherwise a negative error value
466 * @retval #TTS_ERROR_NONE Successful
467 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
468 * @retval #TTS_ERROR_INVALID_STATE Invalid state
469 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
470 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
472 * @pre The state should be #TTS_STATE_CREATED.
474 * @see tts_add_text()
476 int tts_get_speed_range(tts_h tts, int* min, int* normal, int* max);
479 * @brief Gets the current error message.
482 * @remarks This function should be called during an tts error callback. If not, the error as operation failure will be returned. \n
483 * If the function succeeds, @a err_msg must be released using free() when it is no longer required.
485 * @param[in] tts The TTS handle
486 * @param[out] err_msg The current error message
488 * @return 0 on success, otherwise a negative error value
489 * @retval #TTS_ERROR_NONE Successful
490 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
491 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
492 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
494 * @see tts_set_error_cb()
495 * @see tts_unset_error_cb()
497 int tts_get_error_message(tts_h tts, char** err_msg);
500 * @brief Adds a text to the queue.
501 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
503 * @remarks Locale(e.g. setlocale()) MUST be set for utf8 text validation check.
505 * @param[in] tts The TTS handle
506 * @param[in] text An input text based utf8
507 * @param[in] language The language selected from the tts_foreach_supported_voices() (e.g. 'NULL'(Automatic), 'en_US')
508 * @param[in] voice_type The voice type selected from the tts_foreach_supported_voices() (e.g. #TTS_VOICE_TYPE_AUTO, #TTS_VOICE_TYPE_FEMALE)
509 * @param[in] speed A speaking speed (e.g. #TTS_SPEED_AUTO or the value from tts_get_speed_range())
510 * @param[out] utt_id The utterance ID passed to the callback function
512 * @return 0 on success, otherwise a negative error value
513 * @retval #TTS_ERROR_NONE Successful
514 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
515 * @retval #TTS_ERROR_INVALID_STATE Invalid state
516 * @retval #TTS_ERROR_INVALID_VOICE Invalid voice about language, voice type
517 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
518 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
520 * @pre The state should be #TTS_STATE_READY, #TTS_STATE_PLAYING or #TTS_STATE_PAUSED.
521 * @see tts_get_max_text_size()
523 int tts_add_text(tts_h tts, const char* text, const char* language, int voice_type, int speed, int* utt_id);
526 * @brief Starts synthesizing voice from the text and plays the synthesized audio data.
527 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
529 * @param[in] tts The TTS handle
531 * @return 0 on success, otherwise a negative error value
532 * @retval #TTS_ERROR_NONE Successful
533 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
534 * @retval #TTS_ERROR_OUT_OF_NETWORK Out of network
535 * @retval #TTS_ERROR_INVALID_STATE Invalid state
536 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
537 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
539 * @pre The current state should be #TTS_STATE_READY or #TTS_STATE_PAUSED.
540 * @post If this function succeeds, the TTS state will be #TTS_STATE_PLAYING.
542 * @see tts_add_text()
545 * @see tts_utterance_started_cb()
546 * @see tts_utterance_completed_cb()
547 * @see tts_error_cb()
549 int tts_play(tts_h tts);
552 * @brief Stops playing the utterance and clears the queue.
553 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
555 * @param[in] tts The TTS handle
557 * @return 0 on success, otherwise a negative error value
558 * @retval #TTS_ERROR_NONE Successful
559 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
560 * @retval #TTS_ERROR_INVALID_STATE Invalid state
561 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
562 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
564 * @pre The TTS state should be #TTS_STATE_READY or #TTS_STATE_PLAYING or #TTS_STATE_PAUSED.
565 * @post If this function succeeds, the TTS state will be #TTS_STATE_READY.
566 * This function will remove all text via tts_add_text() and synthesized sound data.
571 int tts_stop(tts_h tts);
574 * @brief Pauses the currently playing utterance.
575 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
577 * @param[in] tts The TTS handle
579 * @return 0 on success, otherwise a negative error value
580 * @retval #TTS_ERROR_NONE Successful
581 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
582 * @retval #TTS_ERROR_INVALID_STATE Invalid state
583 * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
584 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
586 * @pre The TTS state should be #TTS_STATE_PLAYING.
587 * @post If this function succeeds, the TTS state will be #TTS_STATE_PAUSED.
591 * @see tts_error_cb()
592 * @see tts_interrupted_cb()
594 int tts_pause(tts_h tts);
597 * @brief Registers a callback function to be called when the TTS state changes.
598 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
600 * @param[in] tts The TTS handle
601 * @param[in] callback The callback function to register
602 * @param[in] user_data The user data to be passed to the callback function
604 * @return 0 on success, otherwise a negative error value
605 * @retval #TTS_ERROR_NONE Successful
606 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
607 * @retval #TTS_ERROR_INVALID_STATE Invalid state
608 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
610 * @pre The state should be #TTS_STATE_CREATED.
612 * @see tts_state_changed_cb()
613 * @see tts_unset_state_changed_cb()
615 int tts_set_state_changed_cb(tts_h tts, tts_state_changed_cb callback, void* user_data);
618 * @brief Unregisters the callback function.
619 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
621 * @param[in] tts The TTS handle
623 * @return 0 on success, otherwise a negative error value
624 * @retval #TTS_ERROR_NONE Successful
625 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
626 * @retval #TTS_ERROR_INVALID_STATE Invalid state
627 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
629 * @pre The state should be #TTS_STATE_CREATED.
631 * @see tts_set_state_changed_cb()
633 int tts_unset_state_changed_cb(tts_h tts);
636 * @brief Registers a callback function to detect utterance start.
637 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
639 * @param[in] tts The TTS handle
640 * @param[in] callback The callback function to register
641 * @param[in] user_data The user data to be passed to the callback function
643 * @return 0 on success, otherwise a negative error value
644 * @retval #TTS_ERROR_NONE Successful
645 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
646 * @retval #TTS_ERROR_INVALID_STATE Invalid state
647 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
649 * @pre The state should be #TTS_STATE_CREATED.
651 * @see tts_utterance_started_cb()
652 * @see tts_unset_utterance_started_cb()
654 int tts_set_utterance_started_cb(tts_h tts, tts_utterance_started_cb callback, void* user_data);
657 * @brief Unregisters the callback function.
658 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
660 * @param[in] tts The TTS handle
662 * @return 0 on success, otherwise a negative error value
663 * @retval #TTS_ERROR_NONE Successful
664 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
665 * @retval #TTS_ERROR_INVALID_STATE Invalid state
666 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
668 * @pre The state should be #TTS_STATE_CREATED.
670 * @see tts_set_utterance_started_cb()
672 int tts_unset_utterance_started_cb(tts_h tts);
675 * @brief Registers a callback function to detect utterance completion.
676 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
678 * @param[in] tts The TTS handle
679 * @param[in] callback The callback function to register
680 * @param[in] user_data The user data to be passed to the callback function
682 * @return 0 on success, otherwise a negative error value
683 * @retval #TTS_ERROR_NONE Successful
684 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
685 * @retval #TTS_ERROR_INVALID_STATE Invalid state
686 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
688 * @pre The state should be #TTS_STATE_CREATED.
690 * @see tts_utterance_completed_cb()
691 * @see tts_unset_utterance_completed_cb()
693 int tts_set_utterance_completed_cb(tts_h tts, tts_utterance_completed_cb callback, void* user_data);
696 * @brief Unregisters the callback function.
697 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
699 * @param[in] tts The TTS handle
701 * @return 0 on success, otherwise a negative error value
702 * @retval #TTS_ERROR_NONE Successful
703 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
704 * @retval #TTS_ERROR_INVALID_STATE Invalid state
705 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
707 * @pre The state should be #TTS_STATE_CREATED.
709 * @see tts_set_utterance_completed_cb()
711 int tts_unset_utterance_completed_cb(tts_h tts);
714 * @brief Registers a callback function to detect errors.
715 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
717 * @param[in] tts The TTS handle
718 * @param[in] callback The callback function to register
719 * @param[in] user_data The user data to be passed to the callback function
721 * @return 0 on success, otherwise a negative error value
722 * @retval #TTS_ERROR_NONE Successful
723 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
724 * @retval #TTS_ERROR_INVALID_STATE Invalid state
725 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
727 * @pre The state should be #TTS_STATE_CREATED.
729 * @see tts_error_cb()
730 * @see tts_unset_error_cb()
732 int tts_set_error_cb(tts_h tts, tts_error_cb callback, void* user_data);
735 * @brief Unregisters the callback function.
736 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
738 * @param[in] tts The TTS handle
740 * @return 0 on success, otherwise a negative error value
741 * @retval #TTS_ERROR_NONE Successful
742 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
743 * @retval #TTS_ERROR_INVALID_STATE Invalid state
744 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
746 * @pre The state should be #TTS_STATE_CREATED.
748 * @see tts_set_error_cb()
750 int tts_unset_error_cb(tts_h tts);
753 * @brief Registers a callback function to detect default voice change.
754 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
756 * @param[in] tts The TTS handle
757 * @param[in] callback The callback function to register
758 * @param[in] user_data The user data to be passed to the callback function
760 * @return 0 on success, otherwise a negative error value
761 * @retval #TTS_ERROR_NONE Successful
762 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
763 * @retval #TTS_ERROR_INVALID_STATE Invalid state
764 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
766 * @pre The state should be #TTS_STATE_CREATED.
768 * @see tts_default_voice_changed_cb()
769 * @see tts_unset_default_voice_changed_cb()
771 int tts_set_default_voice_changed_cb(tts_h tts, tts_default_voice_changed_cb callback, void* user_data);
774 * @brief Unregisters the callback function.
775 * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
777 * @param[in] tts The TTS handle
779 * @return 0 on success, otherwise a negative error value
780 * @retval #TTS_ERROR_NONE Successful
781 * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
782 * @retval #TTS_ERROR_INVALID_STATE Invalid state
783 * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
785 * @pre The state should be #TTS_STATE_CREATED.
787 * @see tts_set_default_voice_changed_cb()
789 int tts_unset_default_voice_changed_cb(tts_h tts);
800 #endif /* __TTS_H__ */