/// <summary>
/// This method handles text-to-speech audio source references by sending a <b>speak</b> command
/// to the NeonSwitch core application to generate the audio file or obtained its cached
/// location, and then return the path to the file.
/// </summary>
/// <param name="source">The audio source reference.</param>
/// <returns>
/// The path to the audio file for speech audio references and the unchanged source reference
/// for all other audio source.
/// </returns>
private string HandleSpeech(string source)
{
// $hack(jeff.lill):
//
// This is a bit of a hack since it has hardcoded knowledge of the format of the
// speech audio source reference.
if (!source.StartsWith("say:"))
{
return(source); // Not speech
}
// The text after "say:" is the encoded phrase. We're going to execute a NeonSwitch speak
// command that will render the phrase into an audio file (or perhaps an already cached
// file) and then return the file path we get back from the NeonSwitch core.
return(Switch.ExecuteCore("speak", source.Substring("say:".Length)));
}
