private static int DoWork(Options options, DecodeParams baseDecodeParams)
{
var fileInfo = new FileInfo(options.InputFileName);
var baseExtractDirPath = Path.Combine(fileInfo.DirectoryName ?? string.Empty, string.Format(DirTemplate, fileInfo.Name));
if (!Directory.Exists(baseExtractDirPath))
{
Directory.CreateDirectory(baseExtractDirPath);
}
using (var acb = AcbFile.FromFile(options.InputFileName)) {
var formatVersion = acb.FormatVersion;
if (acb.InternalAwb != null)
{
var internalDirPath = Path.Combine(baseExtractDirPath, "internal");
ProcessAllBinaries(formatVersion, baseDecodeParams, internalDirPath, acb.InternalAwb, acb.Stream, true);
}
if (acb.ExternalAwb != null)
{
var externalDirPath = Path.Combine(baseExtractDirPath, "external");
using (var fs = File.Open(acb.ExternalAwb.FileName, FileMode.Open, FileAccess.Read, FileShare.Read)) {
ProcessAllBinaries(formatVersion, baseDecodeParams, externalDirPath, acb.ExternalAwb, fs, false);
}
}
}
return(0);
}
private LiveMusicWaveStream(Stream hcaStream, DecodeParams decodeParams)
{
var hcaWaveStream = new HcaAudioStream(hcaStream, decodeParams);
_waveStream = new WaveFileReader(hcaWaveStream);
_sourceStream = hcaStream;
_syncObject = new object();
}
private static void ProcessAllBinaries(uint acbFormatVersion, DecodeParams baseDecodeParams, string extractDir, Afs2Archive archive, Stream dataStream, bool isInternal)
{
if (!Directory.Exists(extractDir))
{
Directory.CreateDirectory(extractDir);
}
var afsSource = isInternal ? "internal" : "external";
var decodeParams = baseDecodeParams;
if (acbFormatVersion >= NewEncryptionVersion)
{
decodeParams.KeyModifier = archive.HcaKeyModifier;
}
else
{
decodeParams.KeyModifier = 0;
}
foreach (var entry in archive.Files)
{
var record = entry.Value;
var extractFileName = AcbFile.GetSymbolicFileNameFromCueId(record.CueId);
extractFileName = extractFileName.ReplaceExtension(".bin", ".wav");
var extractFilePath = Path.Combine(extractDir, extractFileName);
using (var fileData = AcbHelper.ExtractToNewStream(dataStream, record.FileOffsetAligned, (int)record.FileLength)) {
var isHcaStream = HcaReader.IsHcaStream(fileData);
Console.Write("Processing {0} AFS: #{1} (offset={2} size={3})... ", afsSource, record.CueId, record.FileOffsetAligned, record.FileLength);
if (isHcaStream)
{
try {
using (var fs = File.Open(extractFilePath, FileMode.Create, FileAccess.Write, FileShare.Write)) {
DecodeHca(fileData, fs, decodeParams);
}
Console.WriteLine("decoded");
} catch (Exception ex) {
if (File.Exists(extractFilePath))
{
File.Delete(extractFilePath);
}
Console.WriteLine(ex.Message);
}
}
else
{
Console.WriteLine("skipped (not HCA)");
}
}
}
}
private LiveMusicWaveStream(Stream acbStream, string acbFileName, DecodeParams decodeParams)
{
_acb = AcbFile.FromStream(acbStream, acbFileName, false);
var names = _acb.GetFileNames();
_internalName = names[0];
_hcaDataStream = _acb.OpenDataStream(_internalName);
var hcaWaveStream = new HcaAudioStream(_hcaDataStream, decodeParams);
_waveStream = new WaveFileReader(hcaWaveStream);
_sourceStream = acbStream;
_syncObject = new object();
}
public static void HcaToWav(Stream input, Stream output, DecodeParams decodeParams)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
using var hcaStream = new OneWayHcaAudioStream(input, decodeParams, true);
hcaStream.CopyTo(output);
}
private static void DecodeHca(Stream hcaDataStream, Stream waveStream, DecodeParams decodeParams)
{
using (var hcaStream = new OneWayHcaAudioStream(hcaDataStream, decodeParams, true)) {
var buffer = new byte[10240];
var read = 1;
while (read > 0)
{
read = hcaStream.Read(buffer, 0, buffer.Length);
if (read > 0)
{
waveStream.Write(buffer, 0, read);
}
}
}
}
private static int CreateDecodeParams(Options options, out DecodeParams decodeParams)
{
uint key1, key2;
var formatProvider = new NumberFormatInfo();
decodeParams = DecodeParams.Default;
if (!string.IsNullOrWhiteSpace(options.Key1))
{
if (!uint.TryParse(options.Key1, NumberStyles.HexNumber, formatProvider, out key1))
{
Console.WriteLine("ERROR: key 1 is in wrong format. It should look like \"a1b2c3d4\".");
return(DefaultExitCodeFail);
}
}
else
{
key1 = CgssCipher.Key1;
}
if (!string.IsNullOrWhiteSpace(options.Key2))
{
if (!uint.TryParse(options.Key2, NumberStyles.HexNumber, formatProvider, out key2))
{
Console.WriteLine("ERROR: key 2 is in wrong format. It should look like \"a1b2c3d4\".");
return(DefaultExitCodeFail);
}
}
else
{
key2 = CgssCipher.Key2;
}
decodeParams = DecodeParams.CreateDefault(key1, key2);
return(0);
}
// ReSharper disable once IdentifierTypo
private static void AfsToWav(Afs2FileRecord afsRecord, Stream awbStream, DecodeParams decodeParams,
string output)
{
using var fileData =
AcbHelper.ExtractToNewStream(awbStream, afsRecord.FileOffsetAligned, (int)afsRecord.FileLength);
var isHcaStream = DereTore.Exchange.Audio.HCA.HcaReader.IsHcaStream(fileData);
if (!isHcaStream)
{
return;
}
using var fs = File.OpenWrite(output);
try
{
HcaToWav(fileData, fs, decodeParams);
}
catch (Exception)
{
Console.Error.WriteLine($"Failed to convert {output}:");
throw;
}
}
public static void DecodeAcbFiles(FileInfo filename, DirectoryInfo AudioFolder)
{
var volume = 1F;
var mode = 16;
var loop = 0;
var ciphKey1 = 0x92EBF464;
uint ciphKey2 = 0x7E896318;
var dir = AudioFolder;
var dir2 = new DirectoryInfo(AudioFolder.FullName + @"\DecodedWavs\");
var acbfile = filename;
var fs = new FileStream(acbfile.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var af = new CriAcbFile(fs, 0, false);
af.ExtractAll();
fs.Close();
var destinationFolder = new DirectoryInfo(Path.Combine(acbfile.DirectoryName,
"_vgmt_acb_ext_" + Path.GetFileNameWithoutExtension(acbfile.FullName)));
var OutFolder =
Path.Combine(Path.GetDirectoryName(acbfile.FullName.Replace(dir.FullName, dir2.FullName)),
Path.GetFileNameWithoutExtension(acbfile.FullName));
Directory.CreateDirectory(OutFolder);
Parallel.ForEach(destinationFolder.GetFiles("*.hca", SearchOption.AllDirectories), hcafile =>
{
using (var inputFileStream = File.Open(hcafile.FullName, FileMode.Open, FileAccess.Read))
{
using (var outputFileStream =
File.Open(OutFolder + @"\" + hcafile.Name.Substring(0, hcafile.Name.Length - 4) + ".wav",
FileMode.Create, FileAccess.Write))
{
var decodeParams = DecodeParams.CreateDefault();
decodeParams.Key1 = ciphKey1;
decodeParams.Key2 = ciphKey2;
decodeParams.KeyModifier = 0;
var audioParams = AudioParams.CreateDefault();
audioParams.InfiniteLoop = AudioParams.Default.InfiniteLoop;
audioParams.SimulatedLoopCount = AudioParams.Default.SimulatedLoopCount;
audioParams.OutputWaveHeader = true;
using (var hcaStream = new HcaAudioStream(inputFileStream, decodeParams, audioParams))
{
var read = 1;
var dataBuffer = new byte[1024];
while (read > 0)
{
read = hcaStream.Read(dataBuffer, 0, dataBuffer.Length);
if (read > 0)
{
outputFileStream.Write(dataBuffer, 0, read);
}
}
}
}
}
File.Delete(hcafile.FullName);
});
var awbfilename = acbfile.FullName.Substring(0, acbfile.FullName.Length - 4) + ".awb";
File.Delete(acbfile.FullName);
File.Delete(awbfilename);
Directory.Delete(destinationFolder.FullName, true);
}
// ReSharper disable once IdentifierTypo
public static List <string> AcbToWavs(FileInfo source, DirectoryInfo dest)
{
var res = new List <string>();
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (dest == null)
{
throw new ArgumentNullException(nameof(dest));
}
const uint newEncryptionVersion = 0x01300000;
var acb = AcbFile.FromFile(source.FullName);
var acbFormatVersion = acb.FormatVersion;
if (acb.ExternalAwb != null)
{
var awb = acb.ExternalAwb;
var decodeParams = DecodeParams.CreateDefault(
0x0030D9E8, 0,
acbFormatVersion >= newEncryptionVersion ? awb.HcaKeyModifier : (ushort)0);
foreach (var entry in awb.Files)
{
var record = entry.Value;
var cueName = acb.Cues.FirstOrDefault(x => x.CueId == record.CueId)?.CueName;
var fileName = cueName == null
? Path.GetFileNameWithoutExtension(source.Name) + record.CueId.ToString("D3")
: Path.GetFileNameWithoutExtension(cueName);
var extractFileName = Path.Combine(dest.FullName, fileName + ".wav");
var guessAwbFullName = Path.Combine(source.DirectoryName ?? ".", awb.FileName);
if (source.DirectoryName != null && File.Exists(guessAwbFullName))
{
AfsToWav(record, File.OpenRead(guessAwbFullName), decodeParams, extractFileName);
}
else if (File.Exists(awb.FileName))
{
AfsToWav(record, File.OpenRead(awb.FileName), decodeParams, extractFileName);
}
else
{
throw new FileNotFoundException($"Awb file not found, skip {source}", awb.FileName);
}
res.Add(extractFileName);
}
}
if (acb.InternalAwb != null)
{
var awb = acb.InternalAwb;
var decodeParams = DecodeParams.CreateDefault(
0x0030D9E8, 0,
acbFormatVersion >= newEncryptionVersion ? awb.HcaKeyModifier : (ushort)0);
foreach (var entry in awb.Files)
{
var record = entry.Value;
var extractFileName = Path.Combine(dest.FullName,
Path.GetFileNameWithoutExtension(source.Name) + $"_{record.CueId:D3}.wav");
AfsToWav(record, acb.Stream, decodeParams, extractFileName);
res.Add(extractFileName);
}
}
return(res);
}
private static int Main(string[] args)
{
const int defaultExitCodeFail = -1;
var parser = new Parser(settings => { settings.IgnoreUnknownArguments = true; });
var parsedResult = parser.ParseArguments <Options>(args);
var succeeded = parsedResult.Tag == ParserResultType.Parsed;
Options options = null;
if (succeeded)
{
options = ((Parsed <Options>)parsedResult).Value;
}
if (succeeded)
{
if (string.IsNullOrWhiteSpace(options.InputFileName))
{
succeeded = false;
}
}
if (!succeeded)
{
var helpText = CommandLine.Text.HelpText.AutoBuild(parsedResult, null, null);
helpText.AddPreOptionsLine(" ");
helpText.AddPreOptionsLine("Usage: hca2wav <input HCA> [options]");
Console.Error.WriteLine(helpText);
return(defaultExitCodeFail);
}
if (!File.Exists(options.InputFileName))
{
Console.Error.WriteLine("File not found: {0}", options.InputFileName);
return(defaultExitCodeFail);
}
if (string.IsNullOrWhiteSpace(options.OutputFileName))
{
var fileInfo = new FileInfo(options.InputFileName);
options.OutputFileName = fileInfo.FullName.Substring(0, fileInfo.FullName.Length - fileInfo.Extension.Length);
options.OutputFileName += ".wav";
}
uint key1, key2;
ushort keyModifier;
var formatProvider = new NumberFormatInfo();
if (!string.IsNullOrWhiteSpace(options.Key1))
{
if (!uint.TryParse(options.Key1, NumberStyles.HexNumber, formatProvider, out key1))
{
Console.WriteLine("ERROR: key 1 is in wrong format. It should look like \"a1b2c3d4\".");
return(defaultExitCodeFail);
}
}
else
{
key1 = CgssCipher.Key1;
}
if (!string.IsNullOrWhiteSpace(options.Key2))
{
if (!uint.TryParse(options.Key2, NumberStyles.HexNumber, formatProvider, out key2))
{
Console.WriteLine("ERROR: key 2 is in wrong format. It should look like \"a1b2c3d4\".");
return(defaultExitCodeFail);
}
}
else
{
key2 = CgssCipher.Key2;
}
if (!string.IsNullOrWhiteSpace(options.KeyModifier))
{
if (!ushort.TryParse(options.KeyModifier, NumberStyles.HexNumber, formatProvider, out keyModifier))
{
Console.WriteLine("ERROR: key modifier is in wrong format. It should look like \"abcd\".");
return(defaultExitCodeFail);
}
}
else
{
keyModifier = 0;
}
using (var inputFileStream = File.Open(options.InputFileName, FileMode.Open, FileAccess.Read)) {
using (var outputFileStream = File.Open(options.OutputFileName, FileMode.Create, FileAccess.Write)) {
var decodeParams = DecodeParams.CreateDefault();
decodeParams.Key1 = key1;
decodeParams.Key2 = key2;
decodeParams.KeyModifier = keyModifier;
if (options.OverridesCipherType)
{
decodeParams.CipherTypeOverrideEnabled = true;
decodeParams.OverriddenCipherType = (CipherType)options.OverriddenCipherType;
}
var audioParams = AudioParams.CreateDefault();
audioParams.InfiniteLoop = options.InfiniteLoop;
audioParams.SimulatedLoopCount = options.SimulatedLoopCount;
audioParams.OutputWaveHeader = !options.NoWaveHeader;
using (var hcaStream = new HcaAudioStream(inputFileStream, decodeParams, audioParams)) {
var read = 1;
var dataBuffer = new byte[1024];
while (read > 0)
{
read = hcaStream.Read(dataBuffer, 0, dataBuffer.Length);
if (read > 0)
{
outputFileStream.Write(dataBuffer, 0, read);
}
}
}
}
}
return(0);
}
private static int Main(string[] args)
{
var options = new Options();
var succeeded = CommandLine.Parser.Default.ParseArguments(args, options);
if (!succeeded)
{
Console.WriteLine(HelpMessage);
return(CommandLine.Parser.DefaultExitCodeFail);
}
if (string.IsNullOrWhiteSpace(options.OutputFileName))
{
var fileInfo = new FileInfo(options.InputFileName);
options.OutputFileName = fileInfo.FullName.Substring(0, fileInfo.FullName.Length - fileInfo.Extension.Length);
options.OutputFileName += ".wav";
}
uint key1, key2;
var formatProvider = new NumberFormatInfo();
if (!string.IsNullOrWhiteSpace(options.Key1))
{
if (!uint.TryParse(options.Key1, NumberStyles.HexNumber, formatProvider, out key1))
{
Console.WriteLine("ERROR: key 1 is of wrong format.");
return(CommandLine.Parser.DefaultExitCodeFail);
}
}
else
{
key1 = CgssCipher.Key1;
}
if (!string.IsNullOrWhiteSpace(options.Key2))
{
if (!uint.TryParse(options.Key2, NumberStyles.HexNumber, formatProvider, out key2))
{
Console.WriteLine("ERROR: key 2 is of wrong format.");
return(CommandLine.Parser.DefaultExitCodeFail);
}
}
else
{
key2 = CgssCipher.Key2;
}
using (var inputFileStream = File.Open(options.InputFileName, FileMode.Open, FileAccess.Read)) {
using (var outputFileStream = File.Open(options.OutputFileName, FileMode.Create, FileAccess.Write)) {
var decodeParams = DecodeParams.CreateDefault();
decodeParams.Key1 = key1;
decodeParams.Key2 = key2;
var audioParams = AudioParams.CreateDefault();
audioParams.InfiniteLoop = options.InfiniteLoop;
audioParams.SimulatedLoopCount = options.SimulatedLoopCount;
audioParams.OutputWaveHeader = options.OutputWaveHeader;
using (var hcaStream = new HcaAudioStream(inputFileStream, decodeParams, audioParams)) {
var read = 1;
var dataBuffer = new byte[1024];
while (read > 0)
{
read = hcaStream.Read(dataBuffer, 0, dataBuffer.Length);
if (read > 0)
{
outputFileStream.Write(dataBuffer, 0, read);
}
}
}
}
}
return(0);
}
public static LiveMusicWaveStream FromHcaStream(Stream stream, DecodeParams decodeParams)
{
return(new LiveMusicWaveStream(stream, decodeParams));
}
public static LiveMusicWaveStream FromAcbStream(Stream stream, string acbFileName, DecodeParams decodeParams)
{
return(new LiveMusicWaveStream(stream, acbFileName, decodeParams));
}
public static void DecodeUsmFiles(FileInfo filename)
{
var volume = 1F;
var mode = 16;
var loop = 0;
var ciphKey1 = 0x92EBF464;
uint ciphKey2 = 0x7E896318;
var path = Directory.GetCurrentDirectory();
var cridCommands = " -a 92EBF464 -b 7E896318 -v -n \"" +
filename.FullName + "\"";
Console.WriteLine(filename.Name + " - 解密m2v文件...");
var process = new Process
{
StartInfo =
{
FileName = path + @"\crid.exe",
Arguments = cridCommands,
UseShellExecute = true,
CreateNoWindow = true
}
};
process.Start();
process.WaitForExit();
var af = new CriUsmStream(filename.FullName);
var option = new MpegStream.DemuxOptionsStruct
{
ExtractAudio = true,
SplitAudioStreams = true
};
af.DemultiplexStreams(option);
foreach (var hcafile in new DirectoryInfo(filename.DirectoryName).GetFiles("*.bin",
SearchOption.AllDirectories))
{
if (!hcafile.Name.Contains(filename.Name.Substring(0, filename.Name.Length - 4)))
{
continue;
}
using (var inputFileStream = File.Open(hcafile.FullName, FileMode.Open, FileAccess.Read))
{
Console.WriteLine(hcafile.Name + " - 解密hca...");
using (var outputFileStream =
File.Open(
filename.DirectoryName + @"\" + filename.Name.Substring(0, filename.Name.Length - 4) +
@".demux\" + hcafile.Name.Substring(0, hcafile.Name.Length - 4) + ".wav",
FileMode.Create, FileAccess.Write))
{
var decodeParams = DecodeParams.CreateDefault();
decodeParams.Key1 = ciphKey1;
decodeParams.Key2 = ciphKey2;
decodeParams.KeyModifier = 0;
var audioParams = AudioParams.CreateDefault();
audioParams.InfiniteLoop = AudioParams.Default.InfiniteLoop;
audioParams.SimulatedLoopCount = AudioParams.Default.SimulatedLoopCount;
audioParams.OutputWaveHeader = true;
using (var hcaStream = new HcaAudioStream(inputFileStream, decodeParams, audioParams))
{
var read = 1;
var dataBuffer = new byte[1024];
while (read > 0)
{
read = hcaStream.Read(dataBuffer, 0, dataBuffer.Length);
if (read > 0)
{
outputFileStream.Write(dataBuffer, 0, read);
}
}
}
}
}
File.Delete(hcafile.FullName);
}
var m2vfiles = new DirectoryInfo(filename.DirectoryName + @"\" +
filename.Name.Substring(0, filename.Name.Length - 4) + @".demux\")
.GetFiles("*.m2v", SearchOption.AllDirectories);
var m2vfile = m2vfiles[0];
var wavfiles = new DirectoryInfo(filename.DirectoryName + @"\" +
filename.Name.Substring(0, filename.Name.Length - 4) + @".demux\")
.GetFiles("*.wav", SearchOption.AllDirectories);
var wavefile = wavfiles[0];
var ffmpegCommands = "-i " + "\"" + m2vfile.FullName + "\"" + " -i " + "\"" + wavefile.FullName + "\"" +
" -c:v copy -c:a aac -strict experimental " + "\"" + filename.DirectoryName + @"\" +
filename.Name.Substring(0, filename.Name.Length - 4) + @".demux\" +
filename.Name.Substring(0, filename.Name.Length - 4) + "_final.mp4" + "\"";
Console.WriteLine(filename.Name + " - 合并m2v、wav文件...");
var process2 = new Process
{
StartInfo =
{
FileName = path + @"\ffmpeg.exe",
Arguments = ffmpegCommands,
UseShellExecute = true,
CreateNoWindow = true
}
};
process2.Start();
process2.WaitForExit();
}