private async Task CheckPrebufferingAsync(Stream inStream, SongBuffer sb, CancellationToken cancelToken)
{
while (!sb.BufferingCompleted && inStream.Length < 2.MiB())
{
await Task.Delay(100, cancelToken);
}
Console.WriteLine("Buffering successfull");
}
internal async Task Play(IAudioClient voiceClient, CancellationToken cancelToken)
{
var filename = Path.Combine(MusicModule.MusicDataPath, DateTime.Now.UnixTimestamp().ToString());
SongBuffer sb = new SongBuffer(filename, SongInfo, skipTo);
var bufferTask = sb.BufferSong(cancelToken).ConfigureAwait(false);
var inStream = new FileStream(sb.GetNextFile(), FileMode.OpenOrCreate, FileAccess.Read, FileShare.Write);;
bytesSent = 0;
try
{
var attempt = 0;
var prebufferingTask = CheckPrebufferingAsync(inStream, sb, cancelToken);
var sw = new Stopwatch();
sw.Start();
var t = await Task.WhenAny(prebufferingTask, Task.Delay(5000, cancelToken));
if (t != prebufferingTask)
{
Console.WriteLine("Prebuffering timed out or canceled. Cannot get any data from the stream.");
return;
}
else if (prebufferingTask.IsCanceled)
{
Console.WriteLine("Prebuffering timed out. Cannot get any data from the stream.");
return;
}
sw.Stop();
Console.WriteLine("Prebuffering successfully completed in " + sw.Elapsed);
const int blockSize = 3840;
byte[] buffer = new byte[blockSize];
while (!cancelToken.IsCancellationRequested)
{
//Console.WriteLine($"Read: {songBuffer.ReadPosition}\nWrite: {songBuffer.WritePosition}\nContentLength:{songBuffer.ContentLength}\n---------");
var read = inStream.Read(buffer, 0, buffer.Length);
//await inStream.CopyToAsync(voiceClient.OutputStream);
unchecked
{
bytesSent += (ulong)read;
}
if (read < blockSize)
{
if (sb.IsNextFileReady())
{
inStream.Dispose();
inStream = new FileStream(sb.GetNextFile(), FileMode.Open, FileAccess.Read, FileShare.Write);
read += inStream.Read(buffer, read, buffer.Length - read);
attempt = 0;
}
if (read == 0)
{
if (sb.BufferingCompleted)
{
break;
}
if (attempt++ == 20)
{
voiceClient.Wait();
MusicPlayer.SongCancelSource.Cancel();
break;
}
else
{
await Task.Delay(100, cancelToken).ConfigureAwait(false);
}
}
else
{
attempt = 0;
}
}
else
{
attempt = 0;
}
while (this.MusicPlayer.Paused)
{
await Task.Delay(200, cancelToken).ConfigureAwait(false);
}
buffer = AdjustVolume(buffer, MusicPlayer.Volume);
voiceClient.Send(buffer, 0, read);
}
}
finally
{
await bufferTask;
await Task.Run(() => voiceClient.Clear());
if (inStream != null)
{
inStream.Dispose();
}
Console.WriteLine("l");
sb.CleanFiles();
}
}