private static void _BassCallback_EndSync(int handle, int channel, int data, IntPtr user)
{
if (user != IntPtr.Zero)
{
GCHandle gcHandle = GCHandle.FromIntPtr(user);
IceCastStream obj = (IceCastStream)gcHandle.Target;
obj.BassCallback_EndSync(handle, channel, data, Guid.Empty);
}
}
/// <summary>
/// Used to bootstrap bass to start playing. It's needs some data so it can detect wat
/// type of file it is. After that we can start using "BASS_StreamPutFileData"
/// to push the remainder of the data to bass. This function will never be called again
/// </summary>
private static int _BassCallback_FileProcUserReadOut(IntPtr buffer, int length, IntPtr user)
{
if (user != IntPtr.Zero)
{
GCHandle gcHandle = GCHandle.FromIntPtr(user);
IceCastStream obj = (IceCastStream)gcHandle.Target;
return(obj.BassCallback_FileProcUserReadOut(buffer, length));
}
return(0);
}
private void GetHttpStream()
{
threadStarted = true;
do
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Headers.Clear();
request.Headers.Add("Icy-MetaData", "1");
request.KeepAlive = false;
request.UserAgent = "VLC media player";
cbbChunkAudio = new CircularBlockBuffer();
cbbListenAudio = new CircularBlockBuffer();
inSecBuffer = null; // buffer 1 second of pcm data which we can send then
inSecPtr = 0;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
// get the position of metadata (if available)
int metaInt = int.Parse(response.Headers["Icy-MetaInt"]);
int receivedBytes = 0;
using (Stream socketStream = response.GetResponseStream())
{
try
{
socketStream.ReadTimeout = 20 * 1000; // 20 second timeout (throws exception when time expires)
while (Running)
{
byte[] buffer = new byte[16384];
if (receivedBytes == metaInt)
{
int metaLen = socketStream.ReadByte();
if (metaLen > 0)
{
byte[] metaInfo = new byte[metaLen * 16];
int len = 0;
while ((len += socketStream.Read(metaInfo, len, metaInfo.Length - len)) < metaInfo.Length)
{
;
}
ParseMetaInfo(metaInfo);
}
receivedBytes = 0;
}
int bytesLeft = ((metaInt - receivedBytes) > buffer.Length) ? buffer.Length : (metaInt - receivedBytes);
int result = socketStream.Read(buffer, 0, bytesLeft);
receivedBytes += result;
// Doe nu wat met de data
ProcessStreamData(buffer, 0, result);
AudioToSpeaker(buffer, 0, result);
} // while running
}
finally
{
// Needed so the using call doesn't "hang" the code (http://stackoverflow.com/questions/5855088/httpwebresponse-getresponsestream-hanging-in-dispose)
request.Abort();
}
} //using
} //using httpresponse
}
catch (IOException ex)
{
IceCastStream.Log(this, string.Format("Handled IOException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace));
}
catch (SocketException ex)
{
IceCastStream.Log(this, string.Format("Handled SocketException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace));
}
catch (WebException ex)
{
IceCastStream.Log(this, string.Format("Handled WebException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace));
}
finally
{
if (inputHandle != 0)
{
Bass.BASS_StreamFree(inputHandle);
inputHandle = 0;
}
if (inputHandle != 0)
{
Bass.BASS_StreamFree(mixerHandle);
mixerHandle = 0;
}
if (listenHandle != 0)
{
Bass.BASS_ChannelStop(listenHandle);
Bass.BASS_StreamFree(listenHandle);
listenHandle = 0;
}
cbbChunkAudio = null;
inSecBuffer = null;
inSecPtr = 0;
cbbListenAudio = null;
listen = false;
}
// Wait 10 seconds before trying to connect again
int countSleep = 0;
while (Running && countSleep < 100)
{
Thread.Sleep(100);
countSleep++;
}
} while (Running);
}
