Returns the size, in bytes, of the synthesized audio buffer that was produced from a previous Synthesize call.
LV_TTS_RETURN_CODE GetSynthesizedAudioBufferLength(int * buffer_length)
Memory location of integer variable where the size of the synthesized audio buffer will be copied into. This will be a positive integer if successful; or 0 if no results are available or the specified client handle is invalid.
No errors; buffer_length will contain the synthesized audio buffer length.
The specified TTS client handle is invalid (either Initialize has not been called or Destroyhas already been called).
An exception occurred while processing the request.