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Set a default value for max text size
[platform/core/uifw/tts.git] / client / tts.c
diff --git a/client/tts.c b/client/tts.c
old mode 100755 (executable)
new mode 100644 (file)
index 1caaf58..a76420b
--- a/client/tts.c
+++ b/client/tts.c
@@ -34,6 +34,8 @@ static int g_feature_enabled = -1;
 
 static bool g_err_callback_status = false;
 
+static int g_max_text_size = -1;
+
 /* Function definition */
 static Eina_Bool __tts_notify_state_changed(void *data);
 static Eina_Bool __tts_notify_error(void *data);
@@ -137,6 +139,33 @@ void __tts_config_voice_changed_cb(const char* before_lang, int before_voice_typ
        return;
 }
 
+static Eina_Bool __reconnect_by_engine_changed(void* data)
+{
+       tts_h tts = (tts_h)data;
+
+       tts_client_s* client = tts_client_get(tts);
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[WARNING] A handle is not valid");
+               return EINA_FALSE;
+       }
+
+       if (TTS_STATE_READY != client->current_state) {
+               usleep(10000);
+               return EINA_TRUE;
+       }
+
+       int ret = tts_unprepare(tts);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
+       }
+       ret = tts_prepare(tts);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
+       }
+
+       return EINA_FALSE;
+}
+
 void _tts_config_engine_changed_cb(const char* engine_id, const char* setting, const char* language, int voice_type, bool auto_voice, bool need_credential, void* user_data)
 {
        tts_h tts = (tts_h)user_data;
@@ -160,14 +189,8 @@ void _tts_config_engine_changed_cb(const char* engine_id, const char* setting, c
                if (0 != ret) {
                        SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] TTS client stopping...");
                }
-               ret = tts_unprepare(tts);
-               if (0 != ret) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to unprepare for setting a new engine... (%d)", ret);
-               }
-               ret = tts_prepare(tts);
-               if (0 != ret) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
-               }
+
+               ecore_idler_add(__reconnect_by_engine_changed, (void*)tts);
        } else if (TTS_STATE_READY == client->current_state) {
                ret = tts_unprepare(tts);
                if (0 != ret) {
@@ -194,13 +217,12 @@ 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;
        }
 
@@ -229,14 +251,14 @@ int tts_create(tts_h* tts)
                return __tts_convert_config_error_code(ret);
        }
 
-       ret = tts_config_mgr_set_callback(client->uid, _tts_config_engine_changed_cb, __tts_config_voice_changed_cb, NULL, NULL, NULL);
+       ret = tts_config_mgr_set_callback(client->uid, _tts_config_engine_changed_cb, __tts_config_voice_changed_cb, NULL, NULL, client->tts);
        if (0 != ret) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to set config changed : %d", ret);
                tts_client_destroy(*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;
@@ -248,7 +270,7 @@ 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");
@@ -334,8 +356,7 @@ int tts_destroy(tts_h tts)
 
        tts = NULL;
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -351,22 +372,21 @@ 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;
        }
@@ -375,7 +395,7 @@ int tts_set_mode(tts_h tts, tts_mode_e mode)
                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;
        }
@@ -394,8 +414,7 @@ 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;
 }
@@ -406,14 +425,14 @@ 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;
        }
@@ -421,7 +440,7 @@ 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;
        }
@@ -433,7 +452,7 @@ 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;
@@ -468,8 +487,7 @@ 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;
 }
@@ -510,6 +528,10 @@ 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 {
@@ -524,10 +546,14 @@ 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;
        }
 
@@ -536,6 +562,8 @@ 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;
        }
 
@@ -544,8 +572,7 @@ 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;
 }
@@ -566,7 +593,7 @@ 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;
@@ -584,6 +611,16 @@ static Eina_Bool __tts_connect_daemon(void *data)
                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);
+               client->conn_timer = NULL;
+               return EINA_FALSE;
+
        } else if (TTS_ERROR_NONE != ret) {
                SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Fail to connection. Retry to connect : %s", __tts_get_error_code(ret));
                return EINA_TRUE;
@@ -614,8 +651,7 @@ 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;
 }
@@ -626,30 +662,27 @@ 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);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return TTS_ERROR_NONE;
 }
@@ -660,7 +693,7 @@ int tts_unprepare(tts_h tts)
                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);
 
@@ -720,8 +753,7 @@ 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;
 }
@@ -752,12 +784,11 @@ 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;
        }
 
@@ -766,8 +797,7 @@ 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;
        }
 
@@ -797,8 +827,7 @@ 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;
 }
@@ -809,12 +838,11 @@ 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;
 
        }
@@ -822,8 +850,7 @@ 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;
        }
 
@@ -837,8 +864,7 @@ 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;
 }
@@ -866,7 +892,12 @@ 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;
+       }
+
+       g_max_text_size = (int)*size;
 
        SLOG(LOG_DEBUG, TAG_TTSC, "Get max text count : %d", *size);
        return TTS_ERROR_NONE;
@@ -954,8 +985,7 @@ 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;
 }
@@ -978,12 +1008,11 @@ 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;
        }
 
@@ -991,8 +1020,7 @@ 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;
        }
 
@@ -1001,17 +1029,33 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                return TTS_ERROR_INVALID_STATE;
        }
 
-       if (TTS_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, " ");
-               return TTS_ERROR_INVALID_PARAMETER;
+       if (-1 == g_max_text_size) {
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] g_max_text_size is %d", g_max_text_size);
+               if (0 != tts_config_mgr_get_max_text_size((unsigned int*)&g_max_text_size)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get max text size");
+                       return TTS_ERROR_INVALID_PARAMETER;
+               }
+       }
+
+       if (0 == g_max_text_size) {
+               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, "@@@");
+                       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, "@@@");
+                       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;
        }
 
@@ -1026,36 +1070,23 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        }
 
        /* check valid utf8 */
-       iconv_t *ict;
-       ict = iconv_open("utf-8", "");
-       if ((iconv_t)-1 == ict) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to init for text check");
-               return TTS_ERROR_OPERATION_FAILED;
-       }
-
-       size_t len = strlen(text);
-       char *in_tmp = NULL;
-       char in_buf[TTS_MAX_TEXT_SIZE];
-       char *out_tmp = NULL;
-       char out_buf[TTS_MAX_TEXT_SIZE];
-       size_t len_tmp = sizeof(out_buf);
+       bool valid = false;
 
-       memset(in_buf, 0, TTS_MAX_TEXT_SIZE);
-       snprintf(in_buf, TTS_MAX_TEXT_SIZE, "%s", text);
-       in_tmp = in_buf;
+       DBusError err;
+       dbus_error_init(&err);
 
-       memset(out_buf, 0, TTS_MAX_TEXT_SIZE);
-       out_tmp = out_buf;
+       valid = dbus_validate_utf8(text, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Dbus Error(%s), text(%s)", err.message, text);
+               dbus_error_free(&err);
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
 
-       size_t st;
-       st = iconv(ict, &in_tmp, &len, &out_tmp, &len_tmp);
-       if ((size_t)-1 == st) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Text is invalid - '%s'", in_buf);
-               iconv_close(ict);
+       if (valid != true) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Text is invalid - '%s'", text);
                return TTS_ERROR_INVALID_PARAMETER;
        }
-       iconv_close(ict);
-       SLOG(LOG_DEBUG, TAG_TTSC, "Text is valid - Converted text is '%s'", out_buf);
+       SLOG(LOG_DEBUG, TAG_TTSC, "Text is valid - text is '%s'", text);
 
        /* change default language value */
        char* temp = NULL;
@@ -1074,7 +1105,7 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        int ret = -1;
        int count = 0;
        while (0 != ret) {
-               ret = tts_dbus_request_add_text(client->uid, out_buf, temp, voice_type, speed, client->current_utt_id, client->credential);
+               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) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
@@ -1098,8 +1129,7 @@ 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;
 }
@@ -1155,8 +1185,7 @@ 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;
 }
@@ -1167,12 +1196,11 @@ 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;
        }
 
@@ -1180,8 +1208,7 @@ 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;
        }
 
@@ -1202,8 +1229,7 @@ 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;
 }
@@ -1214,12 +1240,11 @@ int tts_play(tts_h tts)
                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;
        }
 
@@ -1227,7 +1252,7 @@ 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;
        }
@@ -1277,8 +1302,7 @@ 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;
 }
@@ -1334,8 +1358,7 @@ 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;
 }
@@ -1346,12 +1369,11 @@ 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;
        }
 
@@ -1359,8 +1381,7 @@ 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;
        }
 
@@ -1376,8 +1397,7 @@ 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;
 }
@@ -1388,12 +1408,11 @@ int tts_stop(tts_h tts)
                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;
        }
 
@@ -1401,8 +1420,7 @@ 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;
        }
 
@@ -1446,8 +1464,7 @@ 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;
 }
@@ -1503,8 +1520,7 @@ 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;
 }
@@ -1515,12 +1531,11 @@ 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;
        }
 
@@ -1528,15 +1543,13 @@ 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;
        }
 
@@ -1547,8 +1560,7 @@ 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;
 }
@@ -1559,12 +1571,11 @@ int tts_pause(tts_h tts)
                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;
        }
 
@@ -1572,15 +1583,13 @@ 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;
        }
 
@@ -1619,8 +1628,7 @@ 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;
 }
@@ -1631,7 +1639,7 @@ 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");
@@ -1680,8 +1688,7 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
                }
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, "");
+       SLOG(LOG_DEBUG, TAG_TTSC, "@@@");
 
        return 0;
 }
@@ -1692,7 +1699,7 @@ 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");
@@ -1741,8 +1748,7 @@ 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;
 }
@@ -2331,3 +2337,193 @@ int tts_unset_engine_changed_cb(tts_h tts)
        return 0;
 }
 
+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_PLAYING != 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;
+       while (0 != ret) {
+               ret = tts_dbus_request_add_pcm(client->uid, event, data, data_size, audio_type, rate);
+               if (0 != ret) {
+                       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;
+       while (0 != ret) {
+               ret = tts_dbus_request_play_pcm(client->uid);
+               if (0 != ret) {
+                       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_PLAYING != 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;
+       while (0 != ret) {
+               ret = tts_dbus_request_stop_pcm(client->uid);
+               if (0 != ret) {
+                       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;
+}
Domain: UI Framework / Voice;