static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Syntax: {0} <fsb file> [<output file>]", typeof(Program).Assembly.Location);
Console.WriteLine("NOTE: If output file is not given, it will overwrite the given FSB file.");
return;
}
string outputFile = args[args.Length == 2 ? 1 : 0];
var fsb5Header = new FSB5Header();
var mpegData = new List<byte>();
byte[] shdrData;
string name = "";
using (var br = new BinaryReader(File.OpenRead(args[0])))
{
int sign = CheckSignEndian(br);
if (sign < 0)
{
Console.WriteLine("Invalid file detected.");
return;
}
if (sign != '5')
{
Console.WriteLine("This tool is designed for FSB5 files only.");
return;
}
int fhSize = ReadFSB5Header(br, fsb5Header);
if (fsb5Header.numSamples != 1)
{
Console.WriteLine("ERROR: Currently this tool only supports FSB5 files that contain a single file within them.");
return;
}
if (fsb5Header.mode != 0x0B)
{
Console.WriteLine("ERROR: This tool is meant to process MP3-based FSB5s only.");
return;
}
uint nameOffset = (uint)(fhSize + fsb5Header.shdrSize);
uint fileOffset = (uint)(nameOffset + fsb5Header.nameSize);
uint baseOffset = fileOffset;
uint offset = fr32(br);
uint type = offset & 0x7F;
shdrData = BitConverter.GetBytes(type);
shdrData = shdrData.Concat(br.ReadBytes(4)).ToArray();
offset = GET_FSB5_OFFSET(offset); // This is the offset into the file section
long currOffset;
while ((type & 1) == 1)
{
uint t32 = fr32(br);
shdrData = shdrData.Concat(BitConverter.GetBytes(t32)).ToArray();
type = t32 & 1;
int len = (int)((t32 & 0xFFFFFF) >> 1);
t32 >>= 24;
currOffset = br.BaseStream.Position;
shdrData = shdrData.Concat(br.ReadBytes(len)).ToArray();
currOffset += len;
br.BaseStream.Position = currOffset;
}
currOffset = br.BaseStream.Position;
uint size;
if (br.BaseStream.Position < nameOffset)
{
size = fr32(br);
if (size == 0)
size = (uint)br.BaseStream.Length;
else
size = GET_FSB5_OFFSET(size) + baseOffset;
}
else
size = (uint)br.BaseStream.Length;
br.BaseStream.Position = currOffset;
fileOffset = baseOffset + offset;
size -= fileOffset;
if (fsb5Header.nameSize != 0)
{
currOffset = br.BaseStream.Position;
br.BaseStream.Position = nameOffset/* + i * 4*/;
br.BaseStream.Position = nameOffset + fr32(br);
do
{
byte c = br.ReadByte();
if (c == 0)
break;
name += (char)c;
} while (true);
br.BaseStream.Position = currOffset;
}
br.BaseStream.Position = currOffset = fileOffset;
// Get MPEG data and remove padding
long endOffset = fileOffset + size;
while (currOffset < endOffset)
{
var header = br.ReadBytes(4);
var mpegVersion = (mpg123_version)(3 - ((header[1] >> 3) & 0x03));
int layer = 4 - ((header[1] >> 1) & 0x03);
int bitrateIndex = (header[2] >> 4) & 0x0F;
int sampleRateIndex = (header[2] >> 2) & 0x03;
int padding = (header[2] >> 1) & 0x01;
int bitrate = getMPEGBitrate(mpegVersion, layer, bitrateIndex);
int sampleRate = getMPEGSampleRate((int)mpegVersion, sampleRateIndex);
int frameLengthInBytes = getMPEGFrameRateInBytes(layer, bitrate, sampleRate, padding);
mpegData.AddRange(header);
mpegData.AddRange(br.ReadBytes(frameLengthInBytes - 4));
// Check if the next 2 bytes would be an MPEG header, if not, skip to the next 4-byte offset as well as skip any other nul bytes we encounter after that
if (br.BaseStream.Position < endOffset && br.PeekByte() != 0xFF && (br.PeekByte(1) & 0xF0) != 0xF0)
{
br.BaseStream.Position += GetNextMultipleOf4(frameLengthInBytes) - frameLengthInBytes;
if (br.BaseStream.Position < endOffset && br.PeekByte() == 0)
{
while (br.BaseStream.Position < endOffset && br.ReadByte() == 0)
;
if (br.BaseStream.Position != endOffset)
--br.BaseStream.Position;
}
}
currOffset = br.BaseStream.Position;
}
}
using (var bw = new BinaryWriter(File.Create(outputFile)))
{
bw.Write(Encoding.ASCII.GetBytes("FSB5"));
bw.Write(fsb5Header.version);
bw.Write(1);
bw.Write(shdrData.Length);
int fullNameSize = (int)Math.Ceiling((name.Length + 5) / 16.0) * 16;
bw.Write(fullNameSize);
bw.Write(mpegData.Count);
bw.Write(fsb5Header.mode);
if (fsb5Header.version == 0)
bw.Write(fsb5Header.extra);
bw.Write(fsb5Header.zero);
bw.Write(fsb5Header.hash);
bw.Write(fsb5Header.dummy);
bw.Write(shdrData);
bw.Write(4);
bw.Write(Encoding.ASCII.GetBytes(name));
bw.Write((byte)0);
for (int j = name.Length + 5; j < fullNameSize; ++j)
bw.Write((byte)0);
bw.Write(mpegData.ToArray());
}
if (args.Length == 1)
Console.WriteLine("Overwrote {0} with un-padded MPEG FSB5.", outputFile);
else
Console.WriteLine("Wrote un-padded MPEG FSB5 to {0}.", outputFile);
}
static int ReadFSB5Header(BinaryReader br, FSB5Header fsb5Header)
{
long oldPosition = br.BaseStream.Position;
fsb5Header.id = br.ReadBytes(4);
fsb5Header.version = (int)fr32(br);
fsb5Header.numSamples = (int)fr32(br);
fsb5Header.shdrSize = (int)fr32(br);
fsb5Header.nameSize = (int)fr32(br);
fsb5Header.dataSize = (int)fr32(br);
fsb5Header.mode = fr32(br);
if (fsb5Header.version == 0)
fsb5Header.extra = br.ReadBytes(4);
else
fsb5Header.extra = null;
fsb5Header.zero = br.ReadBytes(8);
fsb5Header.hash = br.ReadBytes(16);
fsb5Header.dummy = br.ReadBytes(8);
return (int)(br.BaseStream.Position - oldPosition);
}
static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Syntax: {0} <fsb file> [<output directory>]", typeof(Program).Assembly.Location);
Console.WriteLine("NOTE: If the output directory is not given, the new FSB files will be written");
Console.WriteLine(" to the same directory as the given FSB file.");
return;
}
string outputDirectory;
if (args.Length == 2)
outputDirectory = args[1];
else
{
outputDirectory = Path.ChangeExtension(args[0], "");
outputDirectory = outputDirectory.Remove(outputDirectory.Length - 1);
}
if (!Directory.Exists(outputDirectory))
Directory.CreateDirectory(outputDirectory);
using (var br = new BinaryReader(File.OpenRead(args[0])))
{
int sign = CheckSignEndian(br);
if (sign < 0)
{
Console.WriteLine("Invalid file detected.");
return;
}
if (sign != '5')
{
Console.WriteLine("This tool is designed for FSB5 files only.");
return;
}
var fsb5Header = new FSB5Header();
int fhSize = ReadFSB5Header(br, fsb5Header);
uint nameOffset = (uint)(fhSize + fsb5Header.shdrSize);
uint fileOffset = (uint)(nameOffset + fsb5Header.nameSize);
uint baseOffset = fileOffset;
bool pcmEndian = (fsb5Header.zero[4] & 1) == 1;
for (int i = 0; i < fsb5Header.numSamples; ++i)
{
uint offset = fr32(br);
uint type = offset & 0x7F;
var shdrData = BitConverter.GetBytes(type);
shdrData = shdrData.Concat(br.ReadBytes(4)).ToArray();
offset = GET_FSB5_OFFSET(offset); // This is the offset into the file section
long currOffset;
while ((type & 1) == 1)
{
uint t32 = fr32(br);
shdrData = shdrData.Concat(BitConverter.GetBytes(t32)).ToArray();
type = t32 & 1;
int len = (int)((t32 & 0xFFFFFF) >> 1);
t32 >>= 24;
currOffset = br.BaseStream.Position;
shdrData = shdrData.Concat(br.ReadBytes(len)).ToArray();
currOffset += len;
br.BaseStream.Position = currOffset;
}
currOffset = br.BaseStream.Position;
uint size;
if (br.BaseStream.Position < nameOffset)
{
size = fr32(br);
if (size == 0)
size = (uint)br.BaseStream.Length;
else
size = GET_FSB5_OFFSET(size) + baseOffset;
}
else
size = (uint)br.BaseStream.Length;
br.BaseStream.Position = currOffset;
fileOffset = baseOffset + offset;
size -= fileOffset;
string name = "";
if (fsb5Header.nameSize != 0)
{
currOffset = br.BaseStream.Position;
br.BaseStream.Position = nameOffset + i * 4;
br.BaseStream.Position = nameOffset + fr32(br);
do
{
byte c = br.ReadByte();
if (c == 0)
break;
name += (char)c;
} while (true);
br.BaseStream.Position = currOffset;
}
Console.Write("Processing {0}...", name);
string outputFilename = Path.Combine(outputDirectory, name + ".fsb");
currOffset = br.BaseStream.Position;
br.BaseStream.Position = fileOffset;
// Get file
using (var bw = new BinaryWriter(File.Create(outputFilename)))
{
bw.Write(Encoding.ASCII.GetBytes("FSB5"));
bw.Write(fsb5Header.version);
bw.Write(1);
bw.Write(shdrData.Length);
int fullNameSize = (int)Math.Ceiling((name.Length + 5) / 16.0) * 16;
bw.Write(fullNameSize);
bw.Write(size);
bw.Write(fsb5Header.mode);
if (fsb5Header.version == 0)
bw.Write(fsb5Header.extra);
bw.Write(fsb5Header.zero);
bw.Write(fsb5Header.hash);
bw.Write(fsb5Header.dummy);
bw.Write(shdrData);
bw.Write(4);
bw.Write(Encoding.ASCII.GetBytes(name));
bw.Write((byte)0);
for (int j = name.Length + 5; j < fullNameSize; ++j)
bw.Write((byte)0);
br.BaseStream.CopyStream(bw.BaseStream, (int)size);
}
fileOffset += size;
br.BaseStream.Position = currOffset;
#if FMOD
// Also use the FMOD API to output to a WAV file
FMOD.System system;
var result = FMOD.Factory.System_Create(out system);
string outputWAV = Path.Combine(outputDirectory, name + ".wav");
result = system.setOutput(FMOD.OUTPUTTYPE.WAVWRITER);
result = system.init(32, FMOD.INITFLAGS.NORMAL, System.Runtime.InteropServices.Marshal.StringToHGlobalAnsi(outputWAV));
FMOD.Sound sound;
result = system.createSound(args[0], FMOD.MODE._2D | FMOD.MODE.LOOP_OFF | FMOD.MODE.CREATESTREAM, out sound);
FMOD.Sound subsound;
result = sound.getSubSound(i, out subsound);
FMOD.Channel channel;
result = system.playSound(subsound, null, false, out channel);
do
{
result = system.update();
if (channel != null)
{
bool playing;
result = channel.isPlaying(out playing);
if (!playing)
break;
}
} while (true);
result = sound.release();
result = system.close();
result = system.release();
#endif
Console.WriteLine(" DONE!");
}
}
}
