public override async Task Open()
{
metaSize = 0; metaCount = 0; metaOffset = 0; readAheadLength = 0; metaInt = 0;
bool hasMetaTitles = MetaHeaderCallback != null;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.ApplyProxy();
request.UserAgent = UserAgent;
//request.Timeout=connectionTimeout;
request.Timeout = 3000;
request.ReadWriteTimeout = 5000;
// Pieprasa ICE meta datus.
if (hasMetaTitles)
{
request.Headers.Add("Icy-MetaData", "1");
}
response = null;
try {
response = (HttpWebResponse)(await request.GetResponseAsync());
} catch (WebException) {
/*if (connectionTimeout == 30000) connectionTimeout=5000;
* else connectionTimeout+=5000;
* unexpectedStop.BeginInvoke(null, null);*/
throw;
}
hasMetaTitles = hasMetaTitles && ushort.TryParse(response.GetResponseHeader("icy-metaint"), out metaInt);
System.Diagnostics.Debug.WriteLine("metaint=" + metaInt);
sourceStream = response.GetResponseStream();
}
/// <summary>Atver kārtējo MP3 fragmentu kā <see cref="sourceStream"/>.</summary>
public override async Task Open()
{
try {
if (urlFormat == null)
{
using (var client = new ProperWebClient(System.Text.Encoding.ASCII)) {
string playlist = await client.DownloadStringTaskAsync(baseUrl + "chunklist.m3u8");
urlFormat = baseUrl + "media_{0}.mp3" + new Regex("\\?wowzasessionid=([0-9]+)").Match(playlist).Value;
chunkIdx = int.Parse(new Regex("MEDIA-SEQUENCE:([0-9]+)").Match(playlist).Groups[1].Value);
}
}
else if (sourceStream != null)
{
sourceStream.Dispose();
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(string.Format(urlFormat, chunkIdx));
request.ApplyProxy(); request.Timeout = 3000; // Trīs sekundes.
HttpWebResponse response = (HttpWebResponse)(await request.GetResponseAsync());
sourceStream = response.GetResponseStream();
} catch (Exception) {
// Lai nākošreiz mēģina iegūt jaunu atskaņošanas adresi.
urlFormat = null;
throw;
}
chunkIdx++;
}
