public static void Write(byte[] data, string file)
{
Unity_Studio.EndianStream stream = new Unity_Studio.EndianStream(new System.IO.MemoryStream(data), Unity_Studio.EndianType.LittleEndian);
// Because constructor is broken
stream.endian = Unity_Studio.EndianType.LittleEndian;
string magic = stream.ReadASCII(4);
if (!magic.Equals("FSB5"))
{
return;
}
uint version = stream.ReadUInt32();
uint numSamples = stream.ReadUInt32();
uint sampleHeadersSize = stream.ReadUInt32();
uint nameTableSize = stream.ReadUInt32();
uint dataSize = stream.ReadUInt32();
uint mode = stream.ReadUInt32();
string zero = stream.ReadASCII(8);
string hash = stream.ReadASCII(16);
string dummy = stream.ReadASCII(8);
long nameOffset = stream.Position + sampleHeadersSize;
long baseOffset = nameOffset + nameTableSize;
// Only support Vorbis
if (mode != (int)FSBAudioFormat.FMOD_SOUND_FORMAT_VORBIS)
{
return;
}
for (int i = 0; i < numSamples; i++)
{
Ogg ogg = new Ogg();
uint offset = stream.ReadUInt32();
bool extraHeaders = (offset & 0x01) != 0;
uint type = offset & ((1 << 7) - 1);
offset = (offset >> 7) * 0x20;
ogg.channels = (type >> 5) + 1;
ogg.frequency = 44100;
switch ((type >> 1) & ((1 << 4) - 1))
{
case 0: ogg.frequency = 4000; break;
case 1: ogg.frequency = 8000; break;
case 2: ogg.frequency = 11000; break;
case 3: ogg.frequency = 12000; break;
case 4: ogg.frequency = 16000; break;
case 5: ogg.frequency = 22050; break;
case 6: ogg.frequency = 24000; break;
case 7: ogg.frequency = 32000; break;
case 8: ogg.frequency = 44100; break;
case 9: ogg.frequency = 48000; break;
case 10: ogg.frequency = 96000; break;
default: ogg.frequency = 44100; break;
}
uint unknown = stream.ReadUInt32() >> 2;
while (extraHeaders)
{
byte dataByte = stream.ReadByte();
extraHeaders = (dataByte & 0x01) != 0;
long extraLen = dataByte >> 1;
extraLen += stream.ReadByte() << 7;
extraLen += stream.ReadByte() << 15;
dataByte = stream.ReadByte();
if (dataByte == 0x02)
{
ogg.channels = stream.ReadByte();
extraLen -= 1;
}
if (dataByte == 0x04)
{
ogg.frequency = stream.ReadUInt32();
extraLen -= 4;
}
if (dataByte == 0x06)
{
ogg.loopStart = stream.ReadUInt32();
ogg.loopEnd = stream.ReadUInt32();
extraLen -= 8;
}
if (dataByte == 0x16)
{
ogg.crc32 = stream.ReadUInt32();
extraLen -= 4;
}
stream.Position += extraLen;
}
long nextFilePos = stream.Position;
long size = stream.ReadUInt32();
if (size == 0)
{
size = dataSize + baseOffset;
}
else
{
size = ((size >> 7) * 0x20) + baseOffset;
}
if (size < 0 || size > data.Length)
{
size = data.Length;
}
long fileOffset = baseOffset + offset;
size -= fileOffset;
if (i == 0)
{
WriteFile(stream, file, (int)fileOffset, (int)size, ogg);
}
else
{
WriteFile(stream, file + i, (int)fileOffset, (int)size, ogg);
}
stream.Position = nextFilePos;
}
stream.Dispose(true);
}
