public SocketWrapper(StreamSocket baseSocket, DataReader dataReader, DataWriter dataWriter)
{
if (baseSocket == null)
{
throw new ArgumentNullException(nameof(baseSocket));
}
if (dataReader == null)
{
SocketDataReader = new DataReader(BaseSocket.InputStream);
}
if (dataWriter == null)
{
SocketDataWriter = new DataWriter(BaseSocket.OutputStream);
}
BaseSocket = baseSocket;
SocketDataReader = dataReader;
SocketDataWriter = dataWriter;
InitializeDataStream();
InitialBufferLock.Release(1);
}
public virtual async Task ReadBytesAsync(byte[] buffer)
{
await WaitForInitialBufferReadyAsync();
LastReadTime = DateTime.Now;
SocketDataReader.ReadBytes(buffer);
InitialBufferLock.Release();
}
public virtual async Task <uint> LoadAsync(uint amount)
{
await WaitForInitialBufferReadyAsync();
var result = await SocketDataReader.LoadAsync(amount);
InitialBufferLock.Release();
return(result);
}
public virtual async Task <byte> ReadByteAsync()
{
await WaitForInitialBufferReadyAsync();
LastReadTime = DateTime.Now;
var result = SocketDataReader.ReadByte();
InitialBufferLock.Release();
return(result);
}
public virtual async Task <IBuffer> ReadBufferAsync(uint length)
{
await WaitForInitialBufferReadyAsync();
LastReadTime = DateTime.Now;
var result = SocketDataReader.ReadBuffer(length);
InitialBufferLock.Release();
return(result);
}
public virtual async Task <string> ReadStringAsync(uint codeUnitCount)
{
await WaitForInitialBufferReadyAsync();
LastReadTime = DateTime.Now;
var result = SocketDataReader.ReadString(codeUnitCount);
InitialBufferLock.Release();
return(result);
}
protected void HandleInitialBuffering(uint size)
{
//this function pauses the streaming process initially so that we can buffer, avoiding that initial stutter in playback.
if (isInitialBuffering)
{
initialBufferedAmount += size;
//todo create events that get bubbled up to the client so that they can show a "buffering" ui.
if (initialBufferedAmount > Math.Max(UWPShoutcastMSS.Parsers.Audio.MP3Parser.mp3_sampleSize, UWPShoutcastMSS.Parsers.Audio.AAC_ADTSParser.aac_adts_sampleSize) * 10)
{
InitialBufferLock.Release(1);
isInitialBuffering = false;
}
}
}
public Task WaitForInitialBufferReadyAsync()
{
return(InitialBufferLock.WaitAsync());
}
