Add max duration for silent

Change-Id: I387463092d91b339359f8abe998182d1406bd4a8
Signed-off-by: sungwook79.park <sungwook79.park@samsung.com>

diff --git a/client/tts.c b/client/tts.c
index 1e484f9..a6af184 100644 (file)
--- a/client/tts.c
+++ b/client/tts.c
@@ -29,6 +29,8 @@
 
 #include "tts_internal.h"
 
+#define MAX_SILENT_DURATION 5000
+
 static int g_feature_enabled = -1;
 
 
@@ -1571,6 +1573,16 @@ int tts_add_silent_utterance(tts_h tts, unsigned int duration_in_msec, int* utt_
        RETVM_IF(false == tts_core_check_screen_reader(client), TTS_ERROR_SCREEN_READER_OFF, "[ERROR] Screen reader option is not available");
        RETVM_IF(false == tts_core_check_credential(client), TTS_ERROR_PERMISSION_DENIED, "[ERROR] Do not have app credential for this engine");
 
+       if (duration_in_msec < 0) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to add silent. The duration of silent should be above than zero.");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (duration_in_msec > MAX_SILENT_DURATION) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to add silent. The max duration for silent is 5000 msec");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
        int ret = tts_core_add_silent_utterance(client, duration_in_msec, utt_id);
        if (TTS_ERROR_NONE != ret) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to request add silent. ret(%s)", tts_core_covert_error_code(ret));

diff --git a/include/tts.h b/include/tts.h
index a66e90c..e8d94a0 100644 (file)
--- a/include/tts.h
+++ b/include/tts.h
@@ -1126,6 +1126,7 @@ int tts_unset_synthesized_pcm_cb(tts_h tts);
 /**
  * @brief Add silence for the specified amount of time
  * @since_tizen 9.0
+ * @remarks The maximum silent time is 5000 msec. If you want to perform a silent time of more than 5000 msec, call this function several times.
  * @param[in] tts The TTS handle
  * @param[in] duration_in_ms The duration of the silence
  * @param[out] utt_id The utterance ID passed to the callback function