Suspend the current thread until either a response for a previous non-blocking synthesis operation is available or the specified timeout period elapses.
Function
- LV_TTS_RETURN_CODE LV_TTS_WaitForSynthesis(HTTSCLIENT client_handle, unsigned int timeout_ms);
Parameters
client_handle
Handle to the active TTS client object.
timeout_ms
Duration (in milliseconds) to wait for the TTS server's response.
Return Values
LV_SUCCESS
No errors; synthesis' results are now available.
LV_INVALID_TTS_HANDLE
The specified TTS client handle is not a valid one.
LV_TIME_OUT
The specified timeout_ms period elapsed first.
LV_SSML_ERROR
The supplied SSML had syntax error(s).
LV_RESOURCE_ERROR
The TTS server is out of resources, or no voices have been loaded.
LV_FAILED_NO_VOICE_SPECIFIED
There was an error in the request, no voices were specified.
LV_FAILED_VOICE_LOAD
The TTS server failed to load one or more of the needed voices.
LV_FAILED_SYNTHESIS
The input was neither plain text nor SSML; or the conversion of supplied SSML to UTF-8 format failed.
LV_FAILED_STREAMER
An exception occurred on the TTS server while processing the supplied SSML.
LV_FAILED_AUDIO_CONVERSION
Conversion of the synthesized audio to the requested sound format and/or sampling rate has failed.
LV_EXCEPTION
An exception occurred while processing the request.
Remarks
When the call returns LV_TIME_OUT, it does not mean that the synthesis has failed. You may need to wait further (again) for the results.
