/// <summary>
/// This function executes when a SpeechCue is hit and calls the functions to update the UI
/// </summary>
/// <param name="timedMetadataTrack">The timedMetadataTrack associated with the event.</param>
/// <param name="args">the arguments associated with the event.</param>
private async void metadata_SpeechCueEntered(TimedMetadataTrack timedMetadataTrack, MediaCueEventArgs args)
{
// Check in case there are different tracks and the handler was used for more tracks
if (timedMetadataTrack.TimedMetadataKind == TimedMetadataKind.Speech)
{
var cue = args.Cue as SpeechCue;
if (cue != null)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
if (timedMetadataTrack.Id == "SpeechSentence" || timedMetadataTrack.Id == "SpeechWord")
{
SpeechCueType type = timedMetadataTrack.Id == "SpeechSentence" ? SpeechCueType.Sentence : SpeechCueType.Word;
var arg = new SpeechCueEventArgs(cue, type);
SpeechCueChanged?.Invoke(this, arg);
}
});
}
}
}
internal SpeechCueEventArgs(SpeechCue cue, SpeechCueType type)
{
SpeechCue = cue;
Type = type;
}