Merge "Remove unnecessary timer" into tizen
[platform/core/uifw/tts.git] / client / tts.c
index 911d044..08e8d9a 100644 (file)
@@ -27,6 +27,7 @@
 #include "tts_dbus.h"
 #include "tts_main.h"
 
+#include "tts_internal.h"
 
 static bool g_screen_reader;
 
@@ -36,6 +37,17 @@ static bool g_err_callback_status = false;
 
 static int g_max_text_size = -1;
 
+static Ecore_Timer* g_check_state_timer = NULL;
+
+
+/* for repetition */
+static char* g_language = NULL;
+
+static int g_voice_type = -1;
+
+static int g_speed = -1;
+
+
 /* Function definition */
 static Eina_Bool __tts_notify_state_changed(void *data);
 static Eina_Bool __tts_notify_error(void *data);
@@ -108,6 +120,7 @@ static int __tts_convert_config_error_code(tts_config_error_e code)
        return code;
 }
 
+//LCOV_EXCL_START
 void __tts_config_voice_changed_cb(const char* before_lang, int before_voice_type, const char* language, int voice_type, bool auto_voice, void* user_data)
 {
        SLOG(LOG_DEBUG, TAG_TTSC, "Voice changed : Before lang(%s) type(%d) , Current lang(%s), type(%d)",
@@ -131,6 +144,14 @@ void __tts_config_voice_changed_cb(const char* before_lang, int before_voice_typ
                                        language, voice_type, data->default_voice_changed_user_data);
                        }
 
+                       /* Check whether language is changed or not. If it is changed, make 'text_repeat' NULL */
+                       if (0 != strncmp(before_lang, language, strlen(before_lang))) {
+                               if (NULL != data->text_repeat) {
+                                       free(data->text_repeat);
+                                       data->text_repeat = NULL;
+                               }
+                       }
+
                        /* Next item */
                        iter = g_list_next(iter);
                }
@@ -210,6 +231,7 @@ void _tts_config_engine_changed_cb(const char* engine_id, const char* setting, c
        }
        return;
 }
+//LCOV_EXCL_STOP
 
 int tts_create(tts_h* tts)
 {
@@ -217,13 +239,12 @@ int tts_create(tts_h* tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Create TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Create TTS");
 
        /* check param */
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -259,7 +280,7 @@ int tts_create(tts_h* tts)
                return __tts_convert_config_error_code(ret);
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
        SLOG(LOG_DEBUG, TAG_TTSC, " ");
 
        return TTS_ERROR_NONE;
@@ -271,7 +292,7 @@ int tts_destroy(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Destroy TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Destroy TTS");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -314,6 +335,7 @@ int tts_destroy(tts_h tts)
                        do {
                                ret = tts_dbus_request_finalize(client->uid);
                                if (0 != ret) {
+                                       //LCOV_EXCL_START
                                        if (TTS_ERROR_TIMED_OUT != ret) {
                                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                                break;
@@ -326,6 +348,7 @@ int tts_destroy(tts_h tts)
                                                        break;
                                                }
                                        }
+                                       //LCOV_EXCL_STOP
                                }
                        } while (0 != ret);
                } else {
@@ -355,18 +378,30 @@ int tts_destroy(tts_h tts)
                }
        }
 
+       if (NULL != g_language) {
+               free(g_language);
+               g_language = NULL;
+       }
+
+       /* Delete state timer before destroying handle */
+       if (NULL != g_check_state_timer) {
+               ecore_timer_del(g_check_state_timer);
+               g_check_state_timer = NULL;
+       }
+
        tts = NULL;
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
 
+//LCOV_EXCL_START
 void __tts_screen_reader_changed_cb(bool value)
 {
        g_screen_reader = value;
 }
+//LCOV_EXCL_STOP
 
 int tts_set_mode(tts_h tts, tts_mode_e mode)
 {
@@ -374,31 +409,30 @@ int tts_set_mode(tts_h tts, tts_mode_e mode)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Set TTS mode(%d)", mode);
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Set TTS mode(%d)", mode);
 
        tts_client_s* client = tts_client_get(tts);
 
        /* check handle */
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not available");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        /* check state */
        if (client->current_state != TTS_STATE_CREATED) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Invalid State: Current state is not 'CREATED'");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                SLOG(LOG_DEBUG, TAG_TTSC, " ");
                return TTS_ERROR_INVALID_STATE;
        }
 
-       if (TTS_MODE_DEFAULT <= mode && mode <= TTS_MODE_SCREEN_READER) {
+       if (TTS_MODE_DEFAULT <= mode && mode <= TTS_MODE_INTERRUPT) {
                client->mode = mode;
        } else {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] mode is not valid : %d", mode);
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                SLOG(LOG_DEBUG, TAG_TTSC, " ");
                return TTS_ERROR_INVALID_PARAMETER;
        }
@@ -417,8 +451,7 @@ int tts_set_mode(tts_h tts, tts_mode_e mode)
                tts_config_unset_screen_reader_callback(client->uid);
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -429,14 +462,14 @@ int tts_get_mode(tts_h tts, tts_mode_e* mode)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Get TTS mode");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Get TTS mode");
 
        tts_client_s* client = tts_client_get(tts);
 
        /* check handle */
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not available");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                SLOG(LOG_DEBUG, TAG_TTSC, " ");
                return TTS_ERROR_INVALID_PARAMETER;
        }
@@ -444,7 +477,7 @@ int tts_get_mode(tts_h tts, tts_mode_e* mode)
        /* check state */
        if (client->current_state != TTS_STATE_CREATED) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Invalid State: Current state is not 'CREATED'");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                SLOG(LOG_DEBUG, TAG_TTSC, " ");
                return TTS_ERROR_INVALID_STATE;
        }
@@ -456,7 +489,7 @@ int tts_get_mode(tts_h tts, tts_mode_e* mode)
 
        *mode = client->mode;
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
        SLOG(LOG_DEBUG, TAG_TTSC, " ");
 
        return TTS_ERROR_NONE;
@@ -491,12 +524,12 @@ int tts_set_credential(tts_h tts, const char* credential)
        }
        client->credential = strdup(credential);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
 
+//LCOV_EXCL_START
 int tts_set_server_tts(tts_h tts, const char* credential)
 {
        if (0 != __tts_get_feature_enabled()) {
@@ -533,6 +566,10 @@ int tts_set_server_tts(tts_h tts, const char* credential)
                client->credential = strdup(credential);
                if (NULL == client->credential) {
                        SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to allocate memory");
+                       if (NULL != key) {
+                               free(key);
+                               key = NULL;
+                       }
                        return TTS_ERROR_OUT_OF_MEMORY;
                }
        } else {
@@ -547,10 +584,14 @@ int tts_set_server_tts(tts_h tts, const char* credential)
        int pid = getpid();
        char* appid = NULL;
        int ret = app_manager_get_app_id(pid, &appid);
-       if (0 != ret) {
+       if (0 != ret || NULL == appid) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get appid, ret(%d), pid(%d), appid(%s)", ret, pid, appid);
                free(key);
                key = NULL;
+               if (NULL != appid) {
+                       free(appid);
+                       appid = NULL;
+               }
                return TTS_ERROR_OPERATION_FAILED;
        }
 
@@ -559,6 +600,8 @@ int tts_set_server_tts(tts_h tts, const char* credential)
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to set private data, ret(%d), pid(%d), appid(%s)", ret, pid, appid);
                free(key);
                key = NULL;
+               free(appid);
+               appid = NULL;
                return ret;
        }
 
@@ -567,11 +610,11 @@ int tts_set_server_tts(tts_h tts, const char* credential)
        free(key);
        key = NULL;
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
+// LCOV_EXCL_STOP
 
 static Eina_Bool __tts_connect_daemon(void *data)
 {
@@ -589,7 +632,7 @@ static Eina_Bool __tts_connect_daemon(void *data)
                return EINA_TRUE;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Connect daemon");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Connect daemon");
 
        /* do request initialize */
        int ret = -1;
@@ -604,7 +647,23 @@ static Eina_Bool __tts_connect_daemon(void *data)
                client->utt_id = -1;
 
                ecore_timer_add(0, __tts_notify_error, (void*)client->tts);
-               client->conn_timer = NULL;
+               if (client->conn_timer) {
+                       ecore_timer_del(client->conn_timer);
+                       client->conn_timer = NULL;
+               }
+               return EINA_FALSE;
+
+       } else if (TTS_ERROR_PERMISSION_DENIED == ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to initialize : %s", __tts_get_error_code(ret));
+
+               client->reason = TTS_ERROR_PERMISSION_DENIED;
+               client->utt_id = -1;
+
+               ecore_timer_add(0, __tts_notify_error, (void*)client->tts);
+               if (client->conn_timer) {
+                       ecore_timer_del(client->conn_timer);
+                       client->conn_timer = NULL;
+               }
                return EINA_FALSE;
 
        } else if (TTS_ERROR_NONE != ret) {
@@ -617,7 +676,10 @@ static Eina_Bool __tts_connect_daemon(void *data)
                SLOG(LOG_ERROR, TAG_TTSC, "Supported options : credential(%s)", credential_needed ? "need" : "no need");
        }
 
-       client->conn_timer = NULL;
+       if (client->conn_timer) {
+               ecore_timer_del(client->conn_timer);
+               client->conn_timer = NULL;
+       }
 
        client = tts_client_get(tts);
        /* check handle */
@@ -637,8 +699,7 @@ static Eina_Bool __tts_connect_daemon(void *data)
                SLOG(LOG_WARN, TAG_TTSC, "State changed callback is NULL");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return EINA_FALSE;
 }
@@ -649,41 +710,85 @@ int tts_prepare(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Prepare TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Prepare TTS");
 
        tts_client_s* client = tts_client_get(tts);
 
        /* check handle */
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not available");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        /* check state */
        if (client->current_state != TTS_STATE_CREATED) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Invalid State: Current state is not 'CREATED'");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_STATE;
        }
 
-       client->conn_timer = ecore_timer_add(0, __tts_connect_daemon, (void*)tts);
+       ecore_thread_main_loop_begin();
+       if (client->conn_timer) {
+               ecore_timer_del(client->conn_timer);
+               client->conn_timer = NULL;
+       }
+       client->conn_timer = ecore_timer_add(0.02, __tts_connect_daemon, (void*)tts);
+       ecore_thread_main_loop_end();
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
 
+//LCOV_EXCL_START
+int tts_prepare_sync(tts_h tts)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Prepare TTS");
+
+       tts_client_s* client = tts_client_get(tts);
+
+       /* check handle */
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not available");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       /* check state */
+       if (client->current_state != TTS_STATE_CREATED) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Invalid State: Current state is not 'CREATED'");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       int cnt = 0;
+       while (EINA_TRUE == __tts_connect_daemon((void*)tts) && TTS_CONNECTION_RETRY_COUNT > cnt) {
+               cnt++;
+       }
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+
+       if (TTS_CONNECTION_RETRY_COUNT == cnt) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to connect daemon");
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       return TTS_ERROR_NONE;
+}
+//LCOV_EXCL_STOP
+
 int tts_unprepare(tts_h tts)
 {
        if (0 != __tts_get_feature_enabled()) {
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Unprepare TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Unprepare TTS");
 
        tts_client_s* client = tts_client_get(tts);
 
@@ -711,11 +816,19 @@ int tts_unprepare(tts_h tts)
                g_screen_reader = (bool)screen_reader;
        }
 
+       bool is_prepared = false;
        if (!(false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode)) {
                do {
                        ret = tts_dbus_request_finalize(client->uid);
                        if (0 != ret) {
-                               if (TTS_ERROR_TIMED_OUT != ret) {
+                               //LCOV_EXCL_START
+                               if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                                       client->current_state = TTS_STATE_CREATED;
+                                       if (0 == tts_prepare_sync(tts)) {
+                                               is_prepared = true;
+                                               SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                                       }
+                               } else if (TTS_ERROR_TIMED_OUT != ret) {
                                        SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                        break;
                                } else {
@@ -727,6 +840,7 @@ int tts_unprepare(tts_h tts)
                                                break;
                                        }
                                }
+                               //LCOV_EXCL_STOP
                        }
                } while (0 != ret);
        } else {
@@ -743,8 +857,7 @@ int tts_unprepare(tts_h tts)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -775,12 +888,11 @@ int tts_foreach_supported_voices(tts_h tts, tts_supported_voice_cb callback, voi
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Foreach supported voices");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Foreach supported voices");
 
        if (NULL == tts || NULL == callback) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input parameter is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -789,8 +901,7 @@ int tts_foreach_supported_voices(tts_h tts, tts_supported_voice_cb callback, voi
        /* check handle */
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -820,8 +931,7 @@ int tts_foreach_supported_voices(tts_h tts, tts_supported_voice_cb callback, voi
                ret = TTS_ERROR_OPERATION_FAILED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return ret;
 }
@@ -832,12 +942,11 @@ int tts_get_default_voice(tts_h tts, char** lang, int* vctype)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Get default voice");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Get default voice");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
 
        }
@@ -845,8 +954,7 @@ int tts_get_default_voice(tts_h tts, char** lang, int* vctype)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -860,8 +968,7 @@ int tts_get_default_voice(tts_h tts, char** lang, int* vctype)
                SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] Default language(%s), type(%d)", *lang, *vctype);
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return ret;
 }
@@ -889,7 +996,6 @@ int tts_get_max_text_size(tts_h tts, unsigned int* size)
                return TTS_ERROR_INVALID_STATE;
        }
 
-//     *size = TTS_MAX_TEXT_SIZE;
        if (0 != tts_config_mgr_get_max_text_size(size)) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get max text size");
                return TTS_ERROR_INVALID_PARAMETER;
@@ -983,8 +1089,7 @@ int tts_get_error_message(tts_h tts, char** err_msg)
                SLOG(LOG_DEBUG, TAG_TTSC, "[SUCCESS] Error msg (NULL)");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -1007,12 +1112,11 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Add text");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Add text");
 
        if (NULL == tts || NULL == utt_id) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input parameter is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1020,8 +1124,7 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1042,24 +1145,21 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                if (strlen(text) <= 0) {
                        SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] Max Text Size is %d", g_max_text_size);
                        SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input text size is invalid. (max text size is unlimited.)");
-                       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-                       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+                       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                        return TTS_ERROR_INVALID_PARAMETER;
                }
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] g_max_text_size is %d", g_max_text_size);
                if (g_max_text_size < strlen(text) || strlen(text) <= 0) {
                        SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input text size is invalid.");
-                       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-                       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+                       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                        return TTS_ERROR_INVALID_PARAMETER;
                }
        }
 
        if (TTS_SPEED_AUTO > speed || TTS_SPEED_MAX < speed) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] speed value(%d) is invalid.", speed);
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1092,6 +1192,28 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        }
        SLOG(LOG_DEBUG, TAG_TTSC, "Text is valid - text is '%s'", text);
 
+       /* save texts for repetition */
+       if (NULL != client->text_repeat) {
+               free(client->text_repeat);
+               client->text_repeat = NULL;
+       }
+
+       client->text_repeat = strdup(text);
+
+       if (NULL != g_language) {
+               free(g_language);
+               g_language = NULL;
+       }
+       if (NULL == language)
+               g_language = NULL;
+       else
+               g_language = strdup(language);
+
+       g_voice_type = voice_type;
+       g_speed = speed;
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] repeat: text(%s), language(%s), voice type(%d), speed(%d)", client->text_repeat, g_language, g_voice_type, g_speed);
+
        /* change default language value */
        char* temp = NULL;
 
@@ -1108,10 +1230,18 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        /* do request */
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_add_text(client->uid, text, temp, voice_type, speed, client->current_utt_id, client->credential);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                break;
                        } else {
@@ -1123,6 +1253,7 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                                        break;
                                }
                        }
+                       //LCOV_EXCL_STOP
                } else {
                        *utt_id = client->current_utt_id;
                }
@@ -1133,12 +1264,12 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                temp = NULL;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return ret;
 }
 
+//LCOV_EXCL_START
 static void __tts_play_async(void *data)
 {
        tts_h tts = (tts_h)data;
@@ -1152,10 +1283,17 @@ static void __tts_play_async(void *data)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_play(client->uid, client->credential);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                break;
                        } else {
@@ -1190,8 +1328,7 @@ static void __tts_play_async(void *data)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return;
 }
@@ -1202,12 +1339,11 @@ int tts_play_async(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Play tts");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Play tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1215,8 +1351,7 @@ int tts_play_async(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1237,24 +1372,22 @@ int tts_play_async(tts_h tts)
 
        ecore_main_loop_thread_safe_call_async(__tts_play_async, (void*)tts);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
-
+//LCOV_EXCL_STOP
 int tts_play(tts_h tts)
 {
        if (0 != __tts_get_feature_enabled()) {
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Play tts");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Play tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1262,7 +1395,7 @@ int tts_play(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                SLOG(LOG_DEBUG, TAG_TTSC, " ");
                return TTS_ERROR_INVALID_PARAMETER;
        }
@@ -1284,10 +1417,18 @@ int tts_play(tts_h tts)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_play(client->uid, client->credential);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                return ret;
                        } else {
@@ -1299,6 +1440,7 @@ int tts_play(tts_h tts)
                                        return ret;
                                }
                        }
+                       //LCOV_EXCL_STOP
                }
        }
 
@@ -1312,12 +1454,11 @@ int tts_play(tts_h tts)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
-
+//LCOV_EXCL_START
 static void __tts_stop_async(void *data)
 {
        tts_h tts = (tts_h)data;
@@ -1331,10 +1472,17 @@ static void __tts_stop_async(void *data)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_stop(client->uid);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                break;
                        } else {
@@ -1369,8 +1517,7 @@ static void __tts_stop_async(void *data)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return;
 }
@@ -1381,12 +1528,11 @@ int tts_stop_aync(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Stop tts");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Stop tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1394,8 +1540,7 @@ int tts_stop_aync(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1411,24 +1556,22 @@ int tts_stop_aync(tts_h tts)
 
        ecore_main_loop_thread_safe_call_async(__tts_stop_async, (void*)tts);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
-
+//LCOV_EXCL_STOP
 int tts_stop(tts_h tts)
 {
        if (0 != __tts_get_feature_enabled()) {
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Stop tts");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Stop tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1436,8 +1579,7 @@ int tts_stop(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1453,10 +1595,18 @@ int tts_stop(tts_h tts)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_stop(client->uid);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                return ret;
                        } else {
@@ -1468,6 +1618,7 @@ int tts_stop(tts_h tts)
                                        return ret;
                                }
                        }
+                       //LCOV_EXCL_STOP
                }
        }
 
@@ -1481,12 +1632,11 @@ int tts_stop(tts_h tts)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
-
+//LCOV_EXCL_START
 static void __tts_pause_async(void *data)
 {
        tts_h tts = (tts_h)data;
@@ -1500,10 +1650,17 @@ static void __tts_pause_async(void *data)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_pause(client->uid);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                break;
                        } else {
@@ -1538,8 +1695,7 @@ static void __tts_pause_async(void *data)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return;
 }
@@ -1550,12 +1706,11 @@ int tts_pause_async(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Pause tts");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@ Pause tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1563,15 +1718,13 @@ int tts_pause_async(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        if (TTS_STATE_PLAYING != client->current_state) {
                SLOG(LOG_ERROR, TAG_TTSC, "[Error] The Current state is NOT 'playing'. So this request should be not running.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_STATE;
        }
 
@@ -1582,24 +1735,22 @@ int tts_pause_async(tts_h tts)
 
        ecore_main_loop_thread_safe_call_async(__tts_pause_async, (void*)tts);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
-
+//LCOV_EXCL_STOP
 int tts_pause(tts_h tts)
 {
        if (0 != __tts_get_feature_enabled()) {
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Pause tts");
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Pause tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1607,15 +1758,13 @@ int tts_pause(tts_h tts)
 
        if (NULL == client) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        if (TTS_STATE_PLAYING != client->current_state) {
                SLOG(LOG_ERROR, TAG_TTSC, "[Error] The Current state is NOT 'playing'. So this request should be not running.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
                return TTS_ERROR_INVALID_STATE;
        }
 
@@ -1626,10 +1775,18 @@ int tts_pause(tts_h tts)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_pause(client->uid);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                return ret;
                        } else {
@@ -1641,6 +1798,7 @@ int tts_pause(tts_h tts)
                                        return ret;
                                }
                        }
+                       //LCOV_EXCL_STOP
                }
        }
 
@@ -1654,8 +1812,7 @@ int tts_pause(tts_h tts)
                SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -1666,10 +1823,10 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Set private data, key(%s), data(%s)", key, data);
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Set private data, key(%s), data(%s)", key, data);
 
        if (NULL == tts) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle isnull");
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1697,10 +1854,18 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_set_private_data(client->uid, key, data);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                return ret;
                        } else {
@@ -1712,11 +1877,11 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
                                        return ret;
                                }
                        }
+                       //LCOV_EXCL_STOP
                }
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, "");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return 0;
 }
@@ -1727,7 +1892,7 @@ int tts_get_private_data(tts_h tts, const char* key, char** data)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_INFO, TAG_TTSC, "===== Get private data, key(%s)", key);
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Get private data, key(%s)", key);
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -1753,10 +1918,18 @@ int tts_get_private_data(tts_h tts, const char* key, char** data)
 
        int ret = -1;
        int count = 0;
+       bool is_prepared = false;
        while (0 != ret) {
                ret = tts_dbus_request_get_private_data(client->uid, key, data);
                if (0 != ret) {
-                       if (TTS_ERROR_TIMED_OUT != ret) {
+                       //LCOV_EXCL_START
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
                                return ret;
                        } else {
@@ -1768,6 +1941,7 @@ int tts_get_private_data(tts_h tts, const char* key, char** data)
                                        return ret;
                                }
                        }
+                       //LCOV_EXCL_STOP
                }
        }
 
@@ -1776,12 +1950,12 @@ int tts_get_private_data(tts_h tts, const char* key, char** data)
                *data = NULL;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, "");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return 0;
 }
 
+//LCOV_EXCL_START
 static Eina_Bool __tts_notify_error(void *data)
 {
        tts_h tts = (tts_h)data;
@@ -1932,7 +2106,11 @@ int __tts_cb_set_state(int uid, int state)
        }
 
        if (NULL != client->state_changed_cb) {
-               ecore_timer_add(0, __tts_notify_state_changed, client->tts);
+               if (NULL != g_check_state_timer) {
+                       ecore_timer_del(g_check_state_timer);
+                       g_check_state_timer = NULL;
+               }
+               g_check_state_timer = ecore_timer_add(0, __tts_notify_state_changed, client->tts);
        } else {
                SLOG(LOG_WARN, TAG_TTSC, "[WARNING] State changed callback is null");
        }
@@ -1942,6 +2120,7 @@ int __tts_cb_set_state(int uid, int state)
 
        return 0;
 }
+//LCOV_EXCL_STOP
 
 int __tts_cb_utt_started(int uid, int utt_id)
 {
@@ -2052,6 +2231,11 @@ int tts_unset_state_changed_cb(tts_h tts)
        client->state_changed_cb = NULL;
        client->state_changed_user_data = NULL;
 
+       if (NULL != g_check_state_timer) {
+               ecore_timer_del(g_check_state_timer);
+               g_check_state_timer = NULL;
+       }
+
        SLOG(LOG_DEBUG, TAG_TTSC, "[SUCCESS] Unset state changed cb");
 
        return 0;
@@ -2366,3 +2550,309 @@ int tts_unset_engine_changed_cb(tts_h tts)
        return 0;
 }
 
+//LCOV_EXCL_START
+int tts_add_pcm(tts_h tts, int event, const void* data, unsigned int data_size, int audio_type, int rate)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Add pcm tts");
+
+       if (NULL == tts) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       tts_client_s* client = tts_client_get(tts);
+
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (TTS_STATE_CREATED == client->current_state) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] The current state is invalid.");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       if (false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode) {
+               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Screen reader option is NOT available. Ignore this request");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       int ret = -1;
+       int count = 0;
+       bool is_prepared = false;
+       while (0 != ret) {
+               ret = tts_dbus_request_add_pcm(client->uid, event, data, data_size, audio_type, rate);
+               if (0 != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
+                               return ret;
+                       } else {
+                               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] retry add pcm : %s", __tts_get_error_code(ret));
+                               usleep(10000);
+                               count++;
+                               if (TTS_RETRY_COUNT == count) {
+                                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to request");
+                                       return ret;
+                               }
+                       }
+               }
+       }
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+
+       return TTS_ERROR_NONE;
+}
+
+int tts_play_pcm(tts_h tts)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Play pcm tts");
+
+       if (NULL == tts) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       tts_client_s* client = tts_client_get(tts);
+
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (TTS_STATE_PLAYING == client->current_state || TTS_STATE_CREATED == client->current_state) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] The current state is invalid.");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       if (false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode) {
+               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Screen reader option is NOT available. Ignore this request");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       int ret = -1;
+       int count = 0;
+       bool is_prepared = false;
+       while (0 != ret) {
+               ret = tts_dbus_request_play_pcm(client->uid);
+               if (0 != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
+                               return ret;
+                       } else {
+                               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] retry play pcm : %s", __tts_get_error_code(ret));
+                               usleep(10000);
+                               count++;
+                               if (TTS_RETRY_COUNT == count) {
+                                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to request");
+                                       return ret;
+                               }
+                       }
+               }
+       }
+
+       client->before_state = client->current_state;
+       client->current_state = TTS_STATE_PLAYING;
+
+       if (NULL != client->state_changed_cb) {
+               tts_client_use_callback(client);
+               client->state_changed_cb(client->tts, client->before_state, client->current_state, client->state_changed_user_data);
+               tts_client_not_use_callback(client);
+               SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
+       }
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+
+       return TTS_ERROR_NONE;
+}
+
+int tts_stop_pcm(tts_h tts)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Stop pcm tts");
+
+       if (NULL == tts) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       tts_client_s* client = tts_client_get(tts);
+
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (TTS_STATE_CREATED == client->current_state) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] The current state is invalid.");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       if (false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode) {
+               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Screen reader option is NOT available. Ignore this request");
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       int ret = -1;
+       int count = 0;
+       bool is_prepared = false;
+       while (0 != ret) {
+               ret = tts_dbus_request_stop_pcm(client->uid);
+               if (0 != ret) {
+                       if (TTS_ERROR_INVALID_PARAMETER == ret && false == is_prepared) {
+                               client->current_state = TTS_STATE_CREATED;
+                               if (0 == tts_prepare_sync(tts)) {
+                                       is_prepared = true;
+                                       SLOG(LOG_INFO, TAG_TTSC, "[INFO] Success tts_prepare_sync");
+                               }
+                       } else if (TTS_ERROR_TIMED_OUT != ret) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
+                               return ret;
+                       } else {
+                               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] retry stop pcm : %s", __tts_get_error_code(ret));
+                               usleep(10000);
+                               count++;
+                               if (TTS_RETRY_COUNT == count) {
+                                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to request");
+                                       return ret;
+                               }
+                       }
+               }
+       }
+
+       client->before_state = client->current_state;
+       client->current_state = TTS_STATE_READY;
+
+       if (NULL != client->state_changed_cb) {
+               tts_client_use_callback(client);
+               client->state_changed_cb(client->tts, client->before_state, client->current_state, client->state_changed_user_data);
+               tts_client_not_use_callback(client);
+               SLOG(LOG_DEBUG, TAG_TTSC, "State changed callback is called");
+       }
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+
+       return TTS_ERROR_NONE;
+}
+//LCOV_EXCL_STOP
+
+int tts_repeat(tts_h tts, char** text_repeat, int* utt_id)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       SLOG(LOG_INFO, TAG_TTSC, "@@@ Repeat TTS");
+
+       if (NULL == tts) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (NULL == text_repeat || NULL == utt_id) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input parameter is null.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       *text_repeat = NULL;
+       *utt_id = -1;
+
+       tts_client_s* client = tts_client_get(tts);
+
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] A handle is not valid.");
+               SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (TTS_STATE_READY != client->current_state) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] The current state is invalid. (%d)", client->current_state);
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       /* Clear the legacy and Add texts to be played repeatedly */
+       int ret = -1;
+       ret = tts_stop(tts);
+       if (TTS_ERROR_NONE != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to clear the legacy");
+               return ret;
+       }
+
+       if (NULL != client->text_repeat) {
+               char* tmp_text = strdup(client->text_repeat);
+               char* tmp_lang = NULL;
+               if (NULL != g_language) {
+                       tmp_lang = strdup(g_language);
+               }
+               ret = tts_add_text(tts, tmp_text, tmp_lang, g_voice_type, g_speed, utt_id);
+               if (TTS_ERROR_NONE != ret) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to add texts for repetition.");
+                       if (NULL != tmp_text) {
+                               free(tmp_text);
+                               tmp_text = NULL;
+                       }
+                       if (NULL != tmp_lang) {
+                               free(tmp_lang);
+                               tmp_lang = NULL;
+                       }
+                       return ret;
+               }
+               *text_repeat = strdup(client->text_repeat);
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] text to repeat(%s), utt_id(%d)", *text_repeat, *utt_id);
+               if (NULL != tmp_text) {
+                       free(tmp_text);
+                       tmp_text = NULL;
+               }
+               if (NULL != tmp_lang) {
+                       free(tmp_lang);
+                       tmp_lang = NULL;
+               }
+       } else {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] There is no previous added texts. Please add texts");
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       /* Play added texts */
+       ret = tts_play(tts);
+       if (TTS_ERROR_NONE != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to play texts for repetition.");
+               if (NULL != *text_repeat) {
+                       free(*text_repeat);
+                       *text_repeat = NULL;
+               }
+               *utt_id = -1;
+               return ret;
+       }
+
+       return TTS_ERROR_NONE;
+}