void dicks()
{
Logger.pcm.a("prism thread");
long bufSize = settings.samplerate * 10;
byte[] buffer = new byte[bufSize * 4];
System.IO.FileStream w = null;
if (settings.recPCM)
{
Logger.pcm.a("open dump target");
w = new System.IO.FileStream(string.Format("Loopstream-{0}.pcm", DateTime.UtcNow.ToString("yyyy-MM-dd_HH.mm.ss")), System.IO.FileMode.Create);
}
// Create encoders first, but do not feed data
if (settings.mp3.enabled)
{
encoders.Add(new LSLame(settings, this));
}
if (settings.ogg.enabled)
{
encoders.Add(new LSVorbis(settings, this));
}
if (settings.opus.enabled)
{
encoders.Add(new LSOpus(settings, this));
}
// Note that encoders handle creation of and connecting to shouters
// start the thread watching encoders/shouters and restarting the crashed ones
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(medic));
t.Name = "LSPcm_Medic";
t.Start();
// Finally, reposition PCM pointer to minimize latency
// (and chance of lost packets because icecast a bitch)
outlet.setReadPtr(0.2);
// PCM reader loop, passing on to encoders/shouters
//List<string> toclip = new List<string>();
int align = (wp16.WaveFormat.BitsPerSample / 8) * wp16.WaveFormat.Channels;
try
{
while (true)
{
Logger.pcm.a("awaiting pcm");
int avail = 0;
while (!qt("dicks"))
{
avail = outlet.avail();
if (avail >= 2048)
{
break;
}
System.Threading.Thread.Sleep(20);
}
if (avail <= 0)
{
break;
}
//Console.Write('.');
int toRead = (outlet.avail() / align) * align;
Logger.pcm.a("reading pcm data " + buffer.Length + ", " + toRead);
int i = wp16.Read(buffer, 0, toRead);
//toclip.Add((DateTime.UtcNow.Ticks / 10000) + ", " + i);
Logger.pcm.a("locking for write " + i);
lock (locker)
{
int _soffMono = soffMono;
int _soffStereo = soffStereo;
for (int a = 0; a < encoders.Count; a++)
{
LSEncoder enc = encoders[a];
if (!enc.crashed && enc.stdin != null)
{
bool silence = false;
if (enc.GetType() == typeof(LSVorbis))
{
silence = true;
for (int ofs = 1; ofs < i; ofs += 16)
{
int v = buffer[ofs];
if (v > 0x80)
{
v = 255 - v;
}
if (v > 1)
{
silence = false;
break;
}
}
if (silence)
{
Logger.pcm.a("SILENCE to " + enc.enc.ext + " " + i);
soffMono = _soffMono;
soffStereo = _soffStereo;
bool stereo = enc.enc.channels == LSSettings.LSChannels.stereo;
enc.enqueue(barf(i, stereo), i);
}
}
if (!silence)
{
//Logger.pcm.a("writing to " + enc.enc.ext + " " + i);
enc.enqueue(buffer, i);
}
}
}
}
if (w != null)
{
//Logger.pcm.a("writing to dump " + i);
w.Write(buffer, 0, i);
}
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("pcm reader / enc prism just died\n\nthought you might want to know\n\n===========================\n" + ex.Message + "\n" + ex.StackTrace);
}
Console.WriteLine("shutting down encoder prism");
if (w != null)
{
w.Close();
}
}
void medic()
{
Logger.med.a("active");
while (!qt("medic"))
{
for (int a = 0; a < encoders.Count; a++)
{
LSEncoder enc = encoders[a];
if (enc.crashed)
{
if (res_cd == 0)
{
Logger.pcm.a("pending resurrect " + enc.enc.ext);
}
if (++res_cd < 50)
{
continue;
}
res_cd = 0;
Logger.pcm.a("resurrecting " + enc.enc.ext);
enc.Dispose();
try
{
if (enc.enc.ext == "mp3")
{
enc = new LSLame(settings, this);
}
else if (enc.enc.ext == "ogg")
{
enc = new LSVorbis(settings, this);
}
else if (enc.enc.ext == "opus")
{
enc = new LSOpus(settings, this);
}
else
{
System.Windows.Forms.MessageBox.Show("this shouldn't happen");
Program.kill();
}
lock (locker)
{
encoders[a] = enc;
}
Logger.pcm.a("resurrected " + enc.enc.ext);
}
catch
{
Logger.pcm.a("resurrect failure: " + enc.enc.ext);
if (Program.BALLOONS)
{
Program.ni.ShowBalloonTip(1000, "Connection error", "Failed to restart " + enc.enc.ext, System.Windows.Forms.ToolTipIcon.Error);
}
}
}
else if (enc.aborted)
{
string msg = "Removing " + enc.enc.ext + " encoder";
Logger.pcm.a(msg);
encoders.RemoveAt(a--);
if (Program.BALLOONS)
{
Program.ni.ShowBalloonTip(1000, "Connection error", msg, System.Windows.Forms.ToolTipIcon.Error);
}
}
}
System.Threading.Thread.Sleep(10);
}
Logger.med.a("disposed");
}