public Soundbox(
IServiceProvider serviceProvider,
IHubContext <SoundboxHub, ISoundboxClient> hubContext,
ISoundboxConfigProvider config,
IDatabaseProvider database,
ISpeechRecognitionServiceProvider speechRecognitionServiceProvider,
ILogger <Soundbox> logger,
IOptions <SoundboxAppSettings> appSettings)
{
this.Logger = logger;
logger.LogInformation("Soundbox is starting");
this.AppSettings = appSettings.Value ?? new SoundboxAppSettings();
this.ServiceProvider = serviceProvider;
this.HubContext = hubContext;
this.BaseDirectory = config.GetRootDirectory();
this.SoundsRootDirectory = this.BaseDirectory + "sounds/";
Directory.CreateDirectory(this.SoundsRootDirectory);
this.Database = database;
//initialize our file tree
var taskSoundsRoot = LoadRoot();
taskSoundsRoot.Wait();
this.SoundsRoot = taskSoundsRoot.Result;
BuildNodeCache(this.SoundsRoot);
SpeechRecognition_Setup(speechRecognitionServiceProvider);
}
/// <summary>
/// Called on application start to create an instance of <see cref="ISpeechRecognitionService"/> if enabled in the current configuration.
/// Then starts the speech recognition via <see cref="ISpeechRecognitionService.Start(SpeechRecognitionOptions)"/>
/// </summary>
/// <param name="provider"></param>
protected void SpeechRecognition_Setup(ISpeechRecognitionServiceProvider provider)
{
if (provider == null)
{
//nothing to do, not installed
return;
}
if (AppSettings.SpeechRecognition?.AudioDevice == null || AppSettings?.SpeechRecognition?.Languages == null || AppSettings.SpeechRecognition.Languages.Count == 0)
{
Logger.LogInformation("No Soundbox.SpeechRecognition config");
return;
}
var config = new SpeechRecognitionConfig()
{
AudioSource = AppSettings.SpeechRecognition.AudioDevice,
VolumeThreshold = AppSettings.SpeechRecognition.VolumeThreshold
};
var recognizer = provider.GetSpeechRecognizer(config);
if (recognizer == null)
{
//no speech recognizer is installed for the current config
return;
}
recognizer.Recognized += (sender, e) =>
{
//try and match the spoken words
var match = e.Match(NodesCache.Values.Where(node => node is Sound).Cast <Sound>(), speechRecognitionState);
speechRecognitionState = match.State;
if (match.Success)
{
Play(new User(), new SoundPlaybackRequest()
{
Sounds = new List <SoundPlayback>()
{
new SoundPlayback()
{
Sound = match.Recognizable as Sound
}
}
});
}
};
var options = SpeechRecognition_GetOptions();
speechRecognizer = recognizer;
recognizer.Start(options);
}
