//Function that reads in infromation from the stream and formats the metadata to display in the application
public async void GetMetaDataStream()
{
try
{
client.DefaultRequestHeaders.Add("Icy-MetaData", "1");
response = await client.GetAsync(selected, HttpCompletionOption.ResponseHeadersRead);
client.DefaultRequestHeaders.Remove("Icy-MetaData");
}
catch (HttpRequestException e)
{
playButton.Image = Properties.Resources.if_button_grey_play_50039;
playButton.Refresh();
playButton.Update();
playButton.Invalidate();
mp.controls.pause();
IsPlaying = false;
errorState = 1;
timer.Stop();
timer2.Start();
return;
}
if (response.IsSuccessStatusCode)
{
IEnumerable <string> headerValues;
if (response.Headers.TryGetValues("icy-metaint", out headerValues))
{
string metaIntString = headerValues.First();
if (!string.IsNullOrEmpty(metaIntString))
{
int metadataInterval = int.Parse(metaIntString);
byte[] buffer = new byte[metadataInterval + 10];
using (var stream = await response.Content.ReadAsStreamAsync())
{
int numBytesRead = 0;
int numBytesToRead = metadataInterval;
do
{
try
{
n = stream.Read(buffer, numBytesRead, 10);
}catch
{
errorState = 1;
timer.Stop();
return;
}
numBytesRead += n;
numBytesToRead -= n;
} while (numBytesToRead > 0);
int lengthOfMetaData = stream.ReadByte();
int metaBytesToRead = lengthOfMetaData * 16;
byte[] metadataBytes = new byte[metaBytesToRead];
try
{
var bytesRead = await stream.ReadAsync(metadataBytes, 0, metaBytesToRead);
}catch
{
errorState = 1;
timer.Stop();
return;
}
metaDataString = System.Text.Encoding.UTF8.GetString(metadataBytes);
metaString = metaDataString;
chars1 = new ArrayList();
String s;
foreach (var c in metaString)
{
if (!char.IsControl(c))
{
chars1.Add(c);
}
else
{
break;
}
}
char[] chars2 = (char[])chars1.ToArray(typeof(char));
s = new String(chars2);
if (s.Contains("-"))
{
title = Regex.Split(s, "-");
stuff = Regex.Split(title[0], "'");
Artist = stuff[1];
if (title.Length > 2)
{
title[1] = title[1] + " - " + title[2];
}
if (s.Contains(";") && s.Contains("'"))
{
if (title[1].Length > 4)
{
title[1] = title[1].Substring(1, title[1].Length - 2);
if (title[1].LastIndexOf("'") == title[1].Length - 1)
{
title[1] = title[1].Remove(title[1].LastIndexOf("'"));
}
ArtistLabel.Text = Artist;
TitleLabel.Text = title[1];
}
else
{
ArtistLabel.Text = Artist;
TitleLabel.Text = title[1];
}
}
ArtistLabel.Text = Artist;
TitleLabel.Text = title[1];
}
else
{
ArtistLabel.Text = "Information Unavailable";
TitleLabel.Text = "Information Unavailable";
}
ArtistLabel.Refresh();
ArtistLabel.Update();
ArtistLabel.Invalidate();
TitleLabel.Refresh();
TitleLabel.Update();
TitleLabel.Invalidate();
}
}
}
}
}
