public MusicStreamer(StreamRequest parent, string directUrl)
{
this.parent = parent;
this.buffer = new DualStream();
this.Url = directUrl;
State = StreamState.Queued;
}
/* public string Stats() =>
* "--------------------------------\n" +
* $"Music stats for {string.Join("", parent.Title.TrimTo(50))}\n" +
* $"Server: {parent.Server.Name}\n" +
* $"Length:{buffer.Length * 1.0f / 1.MB()}MB Status: {State}\n" +
* "--------------------------------\n";*/
private async Task BufferSong()
{
//start feeding the buffer
var p = Process.Start(new ProcessStartInfo {
FileName = "ffmpeg",
Arguments = $"-i {Url} -f s16le -ar 48000 -ac 2 pipe:1",
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = false,
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Normal,
});
int attempt = 0;
while (true)
{
while (buffer.writePos - buffer.readPos > 5.MB() && State != StreamState.Completed)
{
prebufferingComplete = true;
await Task.Delay(200);
}
if (State == StreamState.Completed)
{
try {
p.CancelOutputRead();
p.Close();
} catch (Exception) { }
Console.WriteLine("Buffering canceled, stream is completed.");
return;
}
if (buffer.readPos > 5.MiB() && buffer.writePos > 5.MiB()) // if buffer is over 5 MiB, create new one
{
var skip = 5.MB(); //remove only 5 MB, just in case
var newBuffer = new DualStream();
lock (_bufferLock) {
byte[] data = buffer.ToArray().Skip(skip).ToArray();
var newReadPos = buffer.readPos - skip;
var newPos = buffer.Position - skip;
buffer = newBuffer;
buffer.Write(data, 0, data.Length);
buffer.readPos = newReadPos;
buffer.Position = newPos;
}
}
var buf = new byte[2048];
int read = 0;
read = await p.StandardOutput.BaseStream.ReadAsync(buf, 0, 2048);
// Console.WriteLine($"Read: {read}");
if (read == 0)
{
if (attempt == 5)
{
try {
p.CancelOutputRead();
p.Close();
} catch (Exception) { }
Console.WriteLine($"Didn't read anything from the stream for {attempt} attempts. {buffer.Length/1.MB()}MB length");
return;
}
else
{
++attempt;
await Task.Delay(20);
}
}
else
{
attempt = 0;
await buffer.WriteAsync(buf, 0, read);
}
}
}
private async Task BufferSong()
{
//start feeding the buffer
var p = Process.Start(new ProcessStartInfo {
FileName = "ffmpeg",
Arguments = $"-i {Url} -f s16le -ar 48000 -ac 2 pipe:1 -loglevel quiet", //+ (NadekoBot.IsLinux ? "2> /dev/null" : "2>NUL"),
UseShellExecute = false,
RedirectStandardOutput = true,
});
int attempt = 0;
while (true)
{
while (buffer.writePos - buffer.readPos > 5.MB() && State != StreamState.Completed)
{
prebufferingComplete = true;
await Task.Delay(200);
}
if (State == StreamState.Completed)
{
try {
p.CancelOutputRead();
p.Close();
}
catch { }
Console.WriteLine("Buffering canceled, stream is completed.");
return;
}
if (buffer.readPos > 5.MiB() && buffer.writePos > 5.MiB())
{
var skip = 5.MB();
lock (_bufferLock) {
byte[] data = new byte[buffer.Length - skip];
Buffer.BlockCopy(buffer.GetBuffer(), skip, data, 0, (int)(buffer.Length - skip));
var newReadPos = buffer.readPos - skip;
var newPos = buffer.Position - skip;
buffer = new DualStream();
buffer.Write(data, 0, data.Length);
buffer.readPos = newReadPos;
buffer.Position = newPos;
}
}
int blockSize = 1920 * NadekoBot.client.GetService <AudioService>()?.Config?.Channels ?? 3840;
var buf = new byte[blockSize];
int read = 0;
read = await p.StandardOutput.BaseStream.ReadAsync(buf, 0, blockSize);
//Console.WriteLine($"Read: {read}");
if (read == 0)
{
if (attempt == 5)
{
try {
p.Dispose();
}
catch { }
Console.WriteLine($"Didn't read anything from the stream for {attempt} attempts. {buffer.Length / 1.MB()}MB length");
return;
}
else
{
++attempt;
await Task.Delay(20);
}
}
else
{
attempt = 0;
lock (_bufferLock) {
buffer.Write(buf, 0, read);
}
}
}
}
