public static int Execute( List<string> args )
{
if ( args.Count == 0 ) {
Console.WriteLine( "This is intended to help extracting skit audio from the Xbox 360 game files." );
Console.WriteLine( "Do the following in order:" );
Console.WriteLine( "-- unpack chat.svo (FPS4 archive, with HyoutaTools -> ToVfps4e)" );
Console.WriteLine( "-- decompress individual skit with xbdecompress" );
Console.WriteLine( "-- unpack skit (FPS4 archive, with HyoutaTools -> ToVfps4e)" );
Console.WriteLine( "-- cut SE3 header from audio file to get a nub archive" );
Console.WriteLine( " (file 0004, seems to be 0x800 bytes for skits but can be bigger, first four bytes of new file should be 0x00020100)" );
Console.WriteLine( "-- extract nub archive with NUBExt r12beta" );
Console.WriteLine( "-- this gives you an \"xma\" file that isn't actually an xma, run this tool on it" );
Console.WriteLine( "-- resulting file is a valid enough xma file that can be converted to WAV with \"toWav\"" );
return -1;
}
string filename = args[0];
using ( var source = new FileStream( filename, FileMode.Open ) ) {
using ( var dest = new FileStream( filename + "-real.xma", FileMode.Create ) ) {
source.Position = 0x100;
int dataLength = (int)( source.Length - source.Position );
dest.WriteAscii( "RIFF" );
dest.WriteUInt32( (uint)dataLength + 0x34 );
dest.WriteAscii( "WAVE" );
dest.WriteAscii( "fmt " );
dest.WriteUInt32( 0x20 );
source.Position = 0xBC;
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteByte( (byte)source.ReadByte() );
dest.WriteByte( (byte)source.ReadByte() );
dest.WriteUInt32( source.ReadUInt32().SwapEndian() );
dest.WriteUInt32( source.ReadUInt32().SwapEndian() );
dest.WriteUInt32( source.ReadUInt32().SwapEndian() );
dest.WriteUInt32( source.ReadUInt32().SwapEndian() );
dest.WriteByte( (byte)source.ReadByte() );
dest.WriteByte( (byte)source.ReadByte() );
dest.WriteUInt16( source.ReadUInt16().SwapEndian() );
dest.WriteAscii( "data" );
dest.WriteUInt32( (uint)dataLength );
source.Position = 0x100;
Util.CopyStream( source, dest, dataLength );
}
}
return 0;
}
private bool LoadFile( string headerFilename, string contentFilename = null )
{
try {
infile = new FileStream( headerFilename, FileMode.Open );
if ( contentFilename != null ) {
contentFile = new FileStream( contentFilename, FileMode.Open );
} else {
contentFile = infile;
}
} catch ( Exception ) {
Console.WriteLine( "ERROR: can't open " + headerFilename );
return false;
}
infile.Seek( 0x00, SeekOrigin.Begin );
string magic = infile.ReadAscii( 4 );
if ( magic != "FPS4" ) {
Console.WriteLine( "Not an FPS4 file!" );
return false;
}
Endian = Util.Endianness.BigEndian;
FileCount = infile.ReadUInt32().FromEndian( Endian );
HeaderSize = infile.ReadUInt32().FromEndian( Endian );
// if header seems huge then we probably have assumed the wrong endianness
if ( HeaderSize > 0xFFFF ) {
Endian = Util.Endianness.LittleEndian;
FileCount = FileCount.ToEndian( Util.Endianness.BigEndian ).FromEndian( Endian );
HeaderSize = HeaderSize.ToEndian( Util.Endianness.BigEndian ).FromEndian( Endian );
}
FirstFileStart = infile.ReadUInt32().FromEndian( Endian );
EntrySize = infile.ReadUInt16().FromEndian( Endian );
ContentBitmask = infile.ReadUInt16().FromEndian( Endian );
Unknown2 = infile.ReadUInt32().FromEndian( Endian );
ArchiveNameLocation = infile.ReadUInt32().FromEndian( Endian );
infile.Position = ArchiveNameLocation;
if ( ArchiveNameLocation > 0 ) {
ArchiveName = infile.ReadShiftJisNullterm();
}
Alignment = FirstFileStart;
Console.WriteLine( "Content Bitmask: 0x" + ContentBitmask.ToString( "X4" ) );
return true;
}