private Thread MainThread; //keep track of this, terminate when it closes.
public MP3Player(string path)
{
Stream = new Mp3Stream(path);
Stream.DecodeFrames(1); //let's get started...
DecodeNext = new AutoResetEvent(true);
BufferDone = new AutoResetEvent(false);
Inst = new DynamicSoundEffectInstance(Stream.Frequency, AudioChannels.Stereo);
Inst.IsLooped = false;
Inst.BufferNeeded += SubmitBufferAsync;
SubmitBuffer(null, null);
SubmitBuffer(null, null);
NextBuffers = new List <byte[]>();
NextSizes = new List <int>();
Requests = 1;
MainThread = Thread.CurrentThread;
DecoderThread = new Thread(() =>
{
try
{
while (MainThread.IsAlive)
{
DecodeNext.WaitOne(128);
bool go;
lock (this) go = Requests > 0;
while (go)
{
var buf = new byte[524288];
var read = Stream.Read(buf, 0, buf.Length);
lock (this)
{
Requests--;
NextBuffers.Add(buf);
NextSizes.Add(read);
if (read == 0)
{
EndOfStream = true;
return;
}
BufferDone.Set();
}
lock (this) go = Requests > 0;
}
}
}
catch (Exception e) { }
});
DecoderThread.Start();
}
protected override void OnBufferInitializing()
{
Mp3Stream stream = Stream as Mp3Stream;
if (stream == null)
{
throw new ApplicationException("The stream used by the StreamedMp3Sound class should be of type Mp3Stream.");
}
if (stream.Frequency < 0)
{
if (stream.DecodeFrames(1) == 0)
{
// throw new Exception("Could not decode");
}
}
if (stream.Frequency > 0 && stream.ChannelCount > 0)
{
this.WaveFormat = SoundUtil.CreateWaveFormat(stream.Frequency, 16, stream.ChannelCount);
}
}
public override Wavefile Load(Stream fileStream)
{
Mp3Stream mp3Stream = new Mp3Stream(fileStream);
if (mp3Stream.Frequency < 0)
{
mp3Stream.DecodeFrames(1);
}
if (!(mp3Stream.Frequency > 0 && mp3Stream.ChannelCount > 0))
{
throw new InvalidFileFormatException("No frequency/channel information");
}
if (mp3Stream.Format != SoundFormat.Pcm16BitStereo)
{
throw new NotImplementedException("Only stereo MP3 supported");
}
Wavefile wave = new Wavefile();
wave.m_SampleRate = mp3Stream.Frequency;
wave.m_Samples = new BlockArray <Sample>(12);
m_Wavefile = wave;
//new DoLoadingDelegate(DoLoading).BeginInvoke(wave, mp3Stream, new AsyncCallback(FinishedLoadingCallback), wave);
Thread loadThread = new Thread(new ParameterizedThreadStart(DoLoading));
loadThread.IsBackground = true;
loadThread.Start(mp3Stream);
//DoLoading(wave, mp3Stream);
return(wave);
}
public void Start()
{
Stream = new Mp3Stream(Path);
Stream.DecodeFrames(1);
var freq = Stream.Frequency;
lock (ControlLock)
{
if (Disposed)
{
return;
}
Inst = new DynamicSoundEffectInstance(freq, AudioChannels.Stereo);
Inst.IsLooped = false;
Inst.BufferNeeded += SubmitBufferAsync;
if (_State == SoundState.Playing)
{
Inst.Play();
}
else if (_State == SoundState.Paused)
{
Inst.Play();
Inst.Pause();
}
Inst.Volume = _Volume;
Inst.Pan = _Pan;
Requests = 2;
}
//SubmitBuffer(null, null);
//SubmitBuffer(null, null);
DecoderThread = new Thread(() =>
{
try
{
while (Active && MainThread.IsAlive)
{
DecodeNext.WaitOne(128);
bool go;
lock (this) go = Requests > 0;
while (go)
{
var buf = new byte[262144];// 524288];
var read = Stream.Read(buf, 0, buf.Length);
lock (this)
{
Requests--;
NextBuffers.Add(buf);
NextSizes.Add(read);
if (read == 0)
{
EndOfStream = true;
BufferDone.Set();
return;
}
BufferDone.Set();
}
lock (this) go = Requests > 0;
}
}
}
catch (Exception e) { }
});
DecoderThread.Start();
DecodeNext.Set();
}