private async Task HandleMetadataAsync(CancellationToken cancelToken)
{
if (!shoutcastStream.serverSettings.RequestSongMetdata)
{
return;
}
cancelToken.ThrowIfCancellationRequested();
if (metadataPos == shoutcastStream.metadataInt)
{
metadataPos = 0;
await socket.LoadAsync(1);
if (socket.UnconsumedBufferLength > 0)
{
uint metaInt = await socket.ReadByteAsync();
if (metaInt > 0)
{
try
{
uint metaDataInfo = metaInt * 16;
cancelToken.ThrowIfCancellationRequested();
await socket.LoadAsync((uint)metaDataInfo);
var metadata = await socket.ReadStringAsync((uint)metaDataInfo);
ParseSongMetadata(metadata);
}
catch (Exception e)
{
throw new Exception("Error occurred while parsing metadata.", e);
//if (e is System.ArgumentOutOfRangeException || e is NullReferenceException)
//{
// //No mapping for the Unicode character exists in the target multi-byte code page.
// shoutcastStream.MediaStreamSource.MusicProperties.Title = "Unknown Song";
// shoutcastStream.MediaStreamSource.MusicProperties.Artist = "Unknown Artist";
// shoutcastStream.RaiseMetadataChangedEvent(new ShoutcastMediaSourceStreamMetadataChangedEventArgs()
// {
// Title = "Unknown Song",
// Artist = "Unknown Artist"
// });
//}
}
}
cancelToken.ThrowIfCancellationRequested();
//byteOffset = 0;
}
}
}
