public static SoundBuffer Load(Stream s)
{
BinaryReader br = new BinaryReader(s);
var magic = new String(br.ReadChars(4));
if (magic != "RIFF")
throw new FormatException("Invalid WAV file");
UInt32 size = br.ReadUInt32();
var id = new String(br.ReadChars(4));
if (id != "WAVE")
throw new FormatException("Invalid WAV file");
var fmtSig = new String(br.ReadChars(4));
if (fmtSig != "fmt ")
throw new FormatException("Format Chunk in WAV file not found");
var fmtChunckSize = br.ReadInt32();
var audioFormat = br.ReadInt16();
var channels = br.ReadInt16();
var sampleRate = br.ReadInt32();
var byteRate = br.ReadInt32();
var blockAlign = br.ReadInt16();
var bitsPerSample = br.ReadInt16(); ;
var dataSig = new String(br.ReadChars(4));
if (dataSig != "data")
{
throw new FormatException("Data chunk in WAV file not found");
}
var dataChunckSize = br.ReadInt32();
var data = br.ReadBytes(dataChunckSize);
OpenTK.Audio.OpenAL.ALFormat format;
if (channels == 1 && bitsPerSample == 8)
format = OpenTK.Audio.OpenAL.ALFormat.Mono8;
else if (channels == 1 && bitsPerSample == 16)
format = OpenTK.Audio.OpenAL.ALFormat.Mono16;
else if (channels == 2 && bitsPerSample == 8)
format = OpenTK.Audio.OpenAL.ALFormat.Stereo8;
else if (channels == 2 && bitsPerSample == 16)
format = OpenTK.Audio.OpenAL.ALFormat.Stereo16;
else
throw new Exception("Unsupported audio format");
SoundBuffer sb = new SoundBuffer();
sb.BufferData(data, format, sampleRate);
return sb;
}
public Sound(SoundBuffer buf)
{
source = AL.GenSource();
AL.SourceQueueBuffer(source, buf.GetID());
}
public Sound(SoundBuffer buf)
{
source = AL.GenSource();
AL.SourceQueueBuffer(source, buf.GetID());
}