/// <summary>
/// Decodes the mp3 file
/// </summary>
public WaveFile Decode(Stream input)
{
//TODO: Still AWFUL playback quality
Mp3Stream mp3 = new Mp3Stream(input);
mp3.Seek(0, SeekOrigin.Begin);
mp3.DecodeFrames(1);
WaveFile wf = new WaveFile();
wf.Bits = 16;
wf.Channels = mp3.ChannelCount;
wf.Frequency = mp3.Frequency;
System.Console.WriteLine(mp3.Length);
MemoryStream data = new MemoryStream();
int buffersize = 4*4096;
byte[] buffer = new byte[buffersize];
int result = 1;
while(true)
{
result = mp3.Read(buffer, 0, buffersize);
data.Write(buffer, 0, result);
if(result != buffersize)
{
break;
}
}
data.Seek(0, SeekOrigin.Begin);
wf.Data = data;
Axiom.Core.LogManager.Instance.Write("SoundSystem: File is MPEG Layer III "+wf.Frequency+"Hz, "+wf.Channels+" channels");
return wf;
}
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)
{
stream.DecodeFrames(1);
}
if (stream.Frequency > 0 && stream.ChannelCount > 0)
{
this.WaveFormat = SoundUtil.CreateWaveFormat(stream.Frequency, 16, stream.ChannelCount);
}
}
public static bool TryPlay(Stream audio, IntPtr hwnd)
{
try
{
Mp3Stream mp3Stream = new Mp3Sharp.Mp3Stream(audio);
mp3Stream.Position = 0;
if (mp3Stream.DecodeFrames(1) == 0)
{
throw new Exception("Could not decode");
}
Device dev = new Microsoft.DirectX.DirectSound.Device();
dev.SetCooperativeLevel(hwnd, Microsoft.DirectX.DirectSound.CooperativeLevel.Normal);
StreamedMp3Sound ApplicationStreamedSound = new StreamedMp3Sound(dev, mp3Stream);
ApplicationStreamedSound.Play();
ApplicationStreamedSound.Stop();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
