public override void Write(BinaryWriter NewPicture)
{
Deflater defl = new Deflater();
defl.SetInput(decopressedData);
defl.SetLevel(compression.FLEVEL);
byte[] compressedData = new byte[100000];
defl.Deflate(compressedData);
//byte[] data = compressedData.Where(x => x != 0).ToArray();
//byte[] compressedData = Compress(decopressedData);
Console.WriteLine("{0} {1}", compressedData.Length, byteData.Length);
/*foreach (byte b in compressedData) Console.Write(b);
* Console.WriteLine("\n\n");
* foreach (byte b in byteData) Console.Write(b);
* Console.WriteLine("");*/
NewPicture.Write(BitConverter.GetBytes(compressedData.Length));
NewPicture.Write(byteSign);
NewPicture.Write(compressedData);
NewPicture.Write(byteCheckSum);
}
public static byte[] Compress(byte[] input)
{
if (input == null || input.Length == 0)
{
Debug.LogError("Compress error inputBytes Len = 0");
return(input);
}
// Create the compressor with highest level of compression
Deflater compressor = GetDeflater();
compressor.SetLevel(Deflater.BEST_COMPRESSION);
// Give the compressor the data to compress
compressor.SetInput(input);
compressor.Finish();
/*
* Create an expandable byte array to hold the compressed data.
* You cannot use an array that's the same size as the orginal because
* there is no guarantee that the compressed data will be smaller than
* the uncompressed data.
*/
MemoryStream result = new MemoryStream(input.Length);
// Compress the data
byte[] buffer = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buffer);
result.Write(buffer, 0, count);
}
// Get the compressed data
return(result.ToArray());
}
public static byte[] ZipBytes(byte[] input, int compressLevel)
{
UtilsFunc.Assert(input != null);
Deflater compressor = new Deflater();
compressor.SetLevel(compressLevel);
compressor.SetInput(input);
compressor.Finish();
byte[] ret = null;
using (MemoryStream bos = new MemoryStream(input.Length))
{
byte[] buf = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buf);
bos.Write(buf, 0, count);
}
ret = bos.ToArray();
}
return(ret);
}
private void Prepare()
{
Random random = new Random();
this.iPGKSeed = (short)(random.Next(0x401, 0x7fff) % 0xffff);
this.iTotalen = 0;
for (int i = 0; i < this.iChapter.Count; i++)
{
this.iChapter[i] = ((string)this.iChapter[i]).Replace("\r\n", "\u2029");
this.iContent = this.iContent + ((string)this.iChapter[i]);
this.iChapOff[i] = this.iTotalen;
this.iTotalen += ((string)this.iChapter[i]).Length * 2;
}
this.ibContent = new byte[this.iTotalen];
int index = 0;
for (int j = 0; j < this.iChapter.Count; j++)
{
byte[] bytes = new byte[((string)this.iChapter[j]).Length * 2];
bytes = Encoding.Unicode.GetBytes((string)this.iChapter[j]);
bytes.CopyTo(this.ibContent, index);
index += bytes.Length;
}
int num4 = 0;
if ((this.iTotalen % 0x8000) == 0)
{
num4 = this.iTotalen / 0x8000;
}
else
{
num4 = (this.iTotalen / 0x8000) + 1;
}
this.iZippedSeg = new byte[num4][];
byte[] input = new byte[0x8000];
int num5 = 0;
int num6 = 0;
for (int k = 0; k < this.ibContent.Length; k++)
{
input[num5] = this.ibContent[k];
if ((num5 == 0x7fff) || (k == (this.ibContent.Length - 1)))
{
byte[] output = new byte[0x8000];
num5 = 0;
Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION, false);
if (deflater.IsNeedingInput)
{
deflater.SetInput(input, 0, input.Length);
}
deflater.Finish();
deflater.Deflate(output);
this.iZippedSeg[num6] = new byte[deflater.TotalOut];
Deflater deflater2 = new Deflater(Deflater.BEST_COMPRESSION, false);
if (deflater2.IsNeedingInput)
{
deflater2.SetInput(input, 0, input.Length);
}
deflater2.Finish();
deflater2.Deflate(this.iZippedSeg[num6]);
num6++;
input = Encoding.Unicode.GetBytes("");
input = new byte[0x8000];
}
else
{
num5++;
}
}
}
private static byte[] Zip(byte[] buffer, int version, byte[] key, byte[] iv)
{
byte[] buffer12;
try
{
ZipStream stream = new ZipStream();
if (version == 0)
{
Deflater deflater = new Deflater();
DateTime now = DateTime.Now;
long num = (long) ((ulong) ((((((((now.Year - 0x7bc) & 0x7f) << 0x19) | (now.Month << 0x15)) | (now.Day << 0x10)) | (now.Hour << 11)) | (now.Minute << 5)) | (now.Second >> 1)));
uint[] numArray = new uint[] {
0, 0x77073096, 0xee0e612c, 0x990951ba, 0x76dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0xedb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x9b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x1db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x6b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0xf00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x86d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x3b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x4db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0xd6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0xa00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x26d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x5005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0xcb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0xbdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
uint maxValue = uint.MaxValue;
uint num3 = maxValue;
int num4 = 0;
int length = buffer.Length;
while (--length >= 0)
{
num3 = numArray[(int) ((IntPtr) ((num3 ^ buffer[num4++]) & 0xff))] ^ (num3 >> 8);
}
num3 ^= maxValue;
stream.WriteInt(0x4034b50);
stream.WriteShort(20);
stream.WriteShort(0);
stream.WriteShort(8);
stream.WriteInt((int) num);
stream.WriteInt((int) num3);
long position = stream.Position;
stream.WriteInt(0);
stream.WriteInt(buffer.Length);
byte[] bytes = Encoding.UTF8.GetBytes("{data}");
stream.WriteShort(bytes.Length);
stream.WriteShort(0);
stream.Write(bytes, 0, bytes.Length);
deflater.SetInput(buffer);
while (!deflater.IsNeedingInput)
{
byte[] output = new byte[0x200];
int count = deflater.Deflate(output);
if (count <= 0)
{
break;
}
stream.Write(output, 0, count);
}
deflater.Finish();
while (!deflater.IsFinished)
{
byte[] buffer4 = new byte[0x200];
int num8 = deflater.Deflate(buffer4);
if (num8 <= 0)
{
break;
}
stream.Write(buffer4, 0, num8);
}
long totalOut = deflater.TotalOut;
stream.WriteInt(0x2014b50);
stream.WriteShort(20);
stream.WriteShort(20);
stream.WriteShort(0);
stream.WriteShort(8);
stream.WriteInt((int) num);
stream.WriteInt((int) num3);
stream.WriteInt((int) totalOut);
stream.WriteInt(buffer.Length);
stream.WriteShort(bytes.Length);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteInt(0);
stream.WriteInt(0);
stream.Write(bytes, 0, bytes.Length);
stream.WriteInt(0x6054b50);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(1);
stream.WriteShort(1);
stream.WriteInt(0x2e + bytes.Length);
stream.WriteInt((30 + bytes.Length) + ((int) totalOut));
stream.WriteShort(0);
stream.Seek(position, SeekOrigin.Begin);
stream.WriteInt((int) totalOut);
}
else if (version == 1)
{
byte[] buffer5;
stream.WriteInt(0x17d7a7b);
stream.WriteInt(buffer.Length);
for (int i = 0; i < buffer.Length; i += buffer5.Length)
{
buffer5 = new byte[Math.Min(0x1fffff, buffer.Length - i)];
Buffer.BlockCopy(buffer, i, buffer5, 0, buffer5.Length);
long num11 = stream.Position;
stream.WriteInt(0);
stream.WriteInt(buffer5.Length);
Deflater deflater2 = new Deflater();
deflater2.SetInput(buffer5);
while (!deflater2.IsNeedingInput)
{
byte[] buffer6 = new byte[0x200];
int num12 = deflater2.Deflate(buffer6);
if (num12 <= 0)
{
break;
}
stream.Write(buffer6, 0, num12);
}
deflater2.Finish();
while (!deflater2.IsFinished)
{
byte[] buffer7 = new byte[0x200];
int num13 = deflater2.Deflate(buffer7);
if (num13 <= 0)
{
break;
}
stream.Write(buffer7, 0, num13);
}
long num14 = stream.Position;
stream.Position = num11;
stream.WriteInt((int) deflater2.TotalOut);
stream.Position = num14;
}
}
else
{
if (version == 2)
{
stream.WriteInt(0x27d7a7b);
byte[] inputBuffer = Zip(buffer, 1, null, null);
using (ICryptoTransform transform = GetDesTransform(key, iv, false))
{
byte[] buffer9 = transform.TransformFinalBlock(inputBuffer, 0, inputBuffer.Length);
stream.Write(buffer9, 0, buffer9.Length);
goto Label_044F;
}
}
if (version == 3)
{
stream.WriteInt(0x37d7a7b);
byte[] buffer10 = Zip(buffer, 1, null, null);
using (ICryptoTransform transform2 = GetAesTransform(key, iv, false))
{
byte[] buffer11 = transform2.TransformFinalBlock(buffer10, 0, buffer10.Length);
stream.Write(buffer11, 0, buffer11.Length);
}
}
}
Label_044F:
stream.Flush();
stream.Close();
buffer12 = stream.ToArray();
}
catch (Exception exception)
{
ExceptionMessage = "ERR 2003: " + exception.Message;
throw;
}
return buffer12;
}
/// <summary>
/// Build a binary data frame form the frame object.
/// </summary>
/// <param name="frame">ID3 Frame</param>
/// <returns>binary frame representation</returns>
public byte[] Make(FrameBase frame, out ushort flags)
{
flags = GetFlags(frame);
var buffer = frame.Make();
var memoryStream = new MemoryStream();
var writer = new BinaryWriter(memoryStream);
if (frame.Group.HasValue == true)
{
writer.Write((byte)frame.Group);
}
if (frame.Compression == true)
{
switch (Version)
{
case 3:
{
writer.Write(Swap.Int32(buffer.Length));
break;
}
case 4:
{
writer.Write(Sync.UnsafeBigEndian(Swap.UInt32((uint)buffer.Length)));
break;
}
default:
{
throw new NotImplementedException("ID3v2 Version " + Version + " is not supported.");
}
}
var buf = new byte[2048];
var deflater = new Deflater(Deflater.BEST_COMPRESSION);
deflater.SetInput(buffer, 0, buffer.Length);
deflater.Finish();
while (!deflater.IsNeedingInput)
{
int len = deflater.Deflate(buf, 0, buf.Length);
if (len <= 0)
{
break;
}
memoryStream.Write(buf, 0, len);
}
if (!deflater.IsNeedingInput)
{
//TODO: Skip and remove invalid frames.
throw new InvalidFrameException("Can't decompress frame '" + frame.FrameId + "' missing data");
}
}
else
{
memoryStream.Write(buffer, 0, buffer.Length);
}
if (frame.Encryption == true)
{
//TODO: Encryption
throw new NotImplementedException("Encryption is not implemented, consequently it is not supported.");
}
if (frame.Unsynchronisation == true)
{
MemoryStream synchStream = new MemoryStream();
Sync.Unsafe(memoryStream, synchStream, (uint)memoryStream.Position);
memoryStream = synchStream;
}
return(memoryStream.ToArray());
}
internal byte[] Make([NotNull] FrameBase frame, out ushort flags)
{
flags = GetFlags(frame);
var buffer = frame.Make();
var memoryStream = new MemoryStream();
var streamsToClose = new List <Stream>(2)
{
memoryStream
};
try
{
using (var writer = new BinaryWriter(memoryStream, Encoding.UTF8, true))
{
if (frame.Group.HasValue)
{
writer.Write((byte)frame.Group);
}
if (frame.Compression)
{
switch (_version)
{
case 3:
writer.Write(Swap.Int32(buffer.Length));
break;
case 4:
writer.Write(Sync.UnsafeBigEndian(Swap.UInt32((uint)buffer.Length)));
break;
default:
throw new NotImplementedException($"ID3v2 Version {_version} is not supported.");
}
var buf = new byte[2048];
var deflater = new Deflater(Deflater.BEST_COMPRESSION);
deflater.SetInput(buffer, 0, buffer.Length);
deflater.Finish();
while (!deflater.IsNeedingInput)
{
var len = deflater.Deflate(buf, 0, buf.Length);
if (len <= 0)
{
break;
}
memoryStream.Write(buf, 0, len);
}
//TODO: Skip and remove invalid frames.
if (!deflater.IsNeedingInput)
{
throw new InvalidFrameException($"Can't decompress frame '{frame.FrameId}' missing data");
}
}
else
{
memoryStream.Write(buffer, 0, buffer.Length);
}
//TODO: Encryption
if (frame.Encryption)
{
throw new NotImplementedException(
"Encryption is not implemented, consequently it is not supported.");
}
if (frame.Unsynchronisation)
{
var synchStream = new MemoryStream();
streamsToClose.Add(synchStream);
Sync.Unsafe(memoryStream, synchStream, (uint)memoryStream.Position);
memoryStream = synchStream;
}
return(memoryStream.ToArray());
}
}
finally
{
foreach (var streamToClose in streamsToClose)
{
streamToClose.Close();
}
}
}
public async Task Execute(IReadableChannel input, IWritableChannel output)
{
while (true)
{
var inputBuffer = await input;
if (inputBuffer.IsEmpty && input.Completion.IsCompleted)
{
break;
}
var writerBuffer = output.Alloc(2048);
var span = inputBuffer.FirstSpan;
_deflater.SetInput(span.BufferPtr, span.Length);
while (!_deflater.NeedsInput())
{
int written = _deflater.ReadDeflateOutput(writerBuffer.Memory.BufferPtr, writerBuffer.Memory.Length);
writerBuffer.CommitBytes(written);
}
var consumed = span.Length - _deflater.AvailableInput;
inputBuffer = inputBuffer.Slice(0, consumed);
inputBuffer.Consumed();
await writerBuffer.FlushAsync();
}
bool flushed;
do
{
// Need to do more stuff here
var writerBuffer = output.Alloc(2048);
int compressedBytes;
flushed = _deflater.Flush(writerBuffer.Memory.BufferPtr, writerBuffer.Memory.Length, out compressedBytes);
writerBuffer.CommitBytes(compressedBytes);
await writerBuffer.FlushAsync();
}while (flushed);
bool finished;
do
{
// Need to do more stuff here
var writerBuffer = output.Alloc(2048);
int compressedBytes;
finished = _deflater.Finish(writerBuffer.Memory.BufferPtr, writerBuffer.Memory.Length, out compressedBytes);
writerBuffer.CommitBytes(compressedBytes);
await writerBuffer.FlushAsync();
}while (!finished);
input.CompleteReading();
output.CompleteWriting();
_deflater.Dispose();
}
/// <summary>
/// Writes bytes from an array to the compressed stream.
/// </summary>
/// <param name="buffer">
/// The byte array.
/// </param>
/// <param name="offset">
/// The offset into the byte array where to start.
/// </param>
/// <param name="count">
/// The number of bytes to write.
/// </param>
public override void Write(byte[] buffer, int offset, int count)
{
Deflater.SetInput(buffer, offset, count);
Deflate();
}
private void WritePendingFrame(bool forceKeyFrame)
{
if (!framePending)
{
return;
}
framePending = false;
bool keyFrame = forceKeyFrame || frameCount % keyFramePeriodInFrames == 0;
FlvWriter.FlvVideoFrameFlags frameFlags = FlvWriter.FlvVideoFrameFlags.Codec_ScreenVideo
| (keyFrame ? FlvWriter.FlvVideoFrameFlags.Type_KeyFrame : FlvWriter.FlvVideoFrameFlags.Type_InterFrame);
flvWriter.WriteFlvVideoFrame(frameFlags,
(int)(frameCount * 1000.0 / framesPerSecond),
reserveBytesPerFrame,
delegate(byte[] buffer, ref int bufferOffset)
{
// write frame header
buffer[bufferOffset++] = (byte)(((nominalBlockWidth / 16 - 1) << 4) | (width >> 8));
buffer[bufferOffset++] = (byte)width;
buffer[bufferOffset++] = (byte)(((nominalBlockHeight / 16 - 1) << 4) | (height >> 8));
buffer[bufferOffset++] = (byte)height;
// proceed from bottom-left to top-right row by row
for (int blockYOrigin = height; blockYOrigin >= 0; blockYOrigin -= nominalBlockHeight)
{
int blockHeight = Math.Min(blockYOrigin, nominalBlockHeight);
for (int blockXOrigin = 0; blockXOrigin < width; blockXOrigin += nominalBlockWidth)
{
int blockWidth = Math.Min(width - blockXOrigin, nominalBlockWidth);
bool diff = false;
int blockBufferOffset = 0;
int frameOffset = blockYOrigin * width + blockXOrigin;
for (int y = 0; y < blockHeight; y++)
{
frameOffset -= width;
for (int x = 0; x < blockWidth; x++)
{
int color = currentFramePixels[frameOffset];
blockBuffer[blockBufferOffset++] = (byte)color; // B
blockBuffer[blockBufferOffset++] = (byte)(color >> 8); // G
blockBuffer[blockBufferOffset++] = (byte)(color >> 16); // R
if (previousFramePixels[frameOffset++] != color)
{
diff = true;
}
}
frameOffset -= blockWidth;
}
if (keyFrame || diff)
{
deflater.Reset();
deflater.SetInput(blockBuffer, 0, blockBufferOffset);
deflater.Finish();
int blockLength = deflater.Deflate(buffer, bufferOffset + 2, buffer.Length - bufferOffset - 2);
Debug.Assert(deflater.IsFinished, "Deflater should be finished.");
buffer[bufferOffset++] = (byte)(blockLength >> 8);
buffer[bufferOffset++] = (byte)blockLength;
bufferOffset += blockLength;
}
else
{
buffer[bufferOffset++] = 0;
buffer[bufferOffset++] = 0;
}
}
}
});
frameCount += 1;
}
static PNG_Chunk[] ProcessChunks(PNG_Chunk[] chunks)
{
List <PNG_Chunk> result = new List <PNG_Chunk>();
PNG_IHDR header = new PNG_IHDR();
using (MemoryStream rawData = new MemoryStream())
{
foreach (PNG_Chunk chunk in chunks)
{
if (chunk.Name.Equals(PNG_CgBIChunk))
{
continue;
}
if (chunk.Name.Equals(PNG_HeaderChunk))
{
header = PNG_IHDR.FromBytes(chunk.Data);
}
if (chunk.Name.Equals(PNG_DataChunk))
{
rawData.Write(chunk.Data, 0, chunk.Data.Length);
continue;
}
if (chunk.Name.Equals(PNG_EndChunk))
{
const int dataChunkSize = 16 * 1024;
rawData.Position = 0;
using (MemoryStream buffer = new MemoryStream())
{
using (InflaterInputStream inflate = new InflaterInputStream(rawData, new Inflater(true)))
{
inflate.IsStreamOwner = false;
IPATools.Utilities.Utils.CopyStream(inflate, buffer);
//inflate.CopyTo(buffer);
}
buffer.Position = 0;
rawData.SetLength(0);
IPATools.Utilities.Utils.CopyStream(buffer, rawData);
//buffer.CopyTo(rawData);
}
{
byte[] imageData = rawData.GetBuffer();
int scanlineSize = header.Width * 4 + 1;
int scanlinePos = 0;
int bpp = 4;
for (int y = 0; y < header.Height; ++y, scanlinePos += scanlineSize)
{
PNG_Filter filter = (PNG_Filter)imageData[scanlinePos];
switch (filter)
{
case PNG_Filter.Sub:
for (int x = 1 + bpp; x < scanlineSize; ++x)
{
imageData[scanlinePos + x] = (byte)((int)imageData[scanlinePos + x] + (int)imageData[scanlinePos + x - bpp]);
}
break;
case PNG_Filter.Up:
if (y > 0)
{
for (int x = 1; x < scanlineSize; ++x)
{
imageData[scanlinePos + x] = (byte)((int)imageData[scanlinePos + x] + (int)imageData[scanlinePos + x - bpp - scanlineSize]);
}
}
break;
case PNG_Filter.Average:
if (y > 0)
{
for (int x = 1 + bpp; x < scanlineSize; ++x)
{
imageData[scanlinePos + x] = (byte)
(((int)imageData[scanlinePos + x - bpp] +
(int)imageData[scanlinePos + x - bpp - scanlineSize]) >> 1);
}
}
break;
case PNG_Filter.Paeth:
if (y > 0)
{
for (int x = 1 + bpp; x < scanlineSize; ++x)
{
imageData[scanlinePos + x] =
(byte)FilterPaethPredictor(
imageData[scanlinePos + x - bpp],
imageData[scanlinePos + x - bpp - scanlineSize],
imageData[scanlinePos + x - scanlineSize]);
}
}
break;
}
for (int x = 0; x < header.Width; ++x)
{
byte r = imageData[scanlinePos + x * 4 + 1];
byte g = imageData[scanlinePos + x * 4 + 2];
byte b = imageData[scanlinePos + x * 4 + 3];
byte a = imageData[scanlinePos + x * 4 + 4];
if (a > 0)
{
r = (byte)(255 * r / a);
g = (byte)(255 * g / a);
b = (byte)(255 * b / a);
}
imageData[scanlinePos + x * 4 + 1] = b;
imageData[scanlinePos + x * 4 + 2] = g;
imageData[scanlinePos + x * 4 + 3] = r;
imageData[scanlinePos + x * 4 + 4] = a;
}
imageData[scanlinePos] = (byte)PNG_Filter.None;
//imageData[scanlinePos] = (byte)PNG_Filter.Sub;
//for (int x = 1 + bpp; x < scanlineSize; ++x)
//{
// byte c = imageData[scanlinePos + x];
// byte l = imageData[scanlinePos + x - bpp];
// imageData[scanlinePos + x] = (byte)(l - c);
//}
}
}
Deflater deflater = new Deflater(9);
Crc32 crc32 = new Crc32();
rawData.Position = 0;
long dataLeft = rawData.Length;
while (dataLeft > 0)
{
byte[] chunkData = new byte[dataChunkSize];
int dataInChunk = rawData.Read(chunkData, 0, dataChunkSize);
dataLeft -= dataInChunk;
byte[] deflatedChunkData = new byte[dataChunkSize];
deflater.SetInput(chunkData, 0, dataInChunk);
if (dataLeft > 0)
{
deflater.Flush();
}
else
{
deflater.Finish();
}
int deflatedBytes = deflater.Deflate(deflatedChunkData, 0, dataInChunk);
PNG_Chunk dataChunk = new PNG_Chunk();
dataChunk.Name = PNG_DataChunk;
dataChunk.Data = new byte[deflatedBytes];
for (int i = 0; i < deflatedBytes; ++i)
{
dataChunk.Data[i] = deflatedChunkData[i];
}
crc32.Reset();
crc32.Update(ASCIIEncoding.ASCII.GetBytes(dataChunk.Name));
crc32.Update(dataChunk.Data);
dataChunk.CRC = (uint)crc32.Value;
result.Add(dataChunk);
}
}
result.Add(chunk);
}
}
return(result.ToArray());
}
public async Task Execute(IReadableChannel input, IWritableChannel output)
{
while (true)
{
var inputBuffer = await input.ReadAsync();
if (inputBuffer.IsEmpty && input.Reading.IsCompleted)
{
break;
}
var writerBuffer = output.Alloc(2048);
var memory = inputBuffer.First;
unsafe
{
_deflater.SetInput((IntPtr)memory.UnsafePointer, memory.Length);
}
while (!_deflater.NeedsInput())
{
unsafe
{
int written = _deflater.ReadDeflateOutput((IntPtr)writerBuffer.Memory.UnsafePointer, writerBuffer.Memory.Length);
writerBuffer.Advance(written);
}
}
var consumed = memory.Length - _deflater.AvailableInput;
inputBuffer = inputBuffer.Slice(0, consumed);
input.Advance(inputBuffer.End);
await writerBuffer.FlushAsync();
}
bool flushed;
do
{
// Need to do more stuff here
var writerBuffer = output.Alloc(2048);
var memory = writerBuffer.Memory;
unsafe
{
int compressedBytes;
flushed = _deflater.Flush((IntPtr)memory.UnsafePointer, memory.Length, out compressedBytes);
writerBuffer.Advance(compressedBytes);
}
await writerBuffer.FlushAsync();
}while (flushed);
bool finished;
do
{
// Need to do more stuff here
var writerBuffer = output.Alloc(2048);
var memory = writerBuffer.Memory;
unsafe
{
int compressedBytes;
finished = _deflater.Finish((IntPtr)memory.UnsafePointer, memory.Length, out compressedBytes);
writerBuffer.Advance(compressedBytes);
}
await writerBuffer.FlushAsync();
}while (!finished);
input.Complete();
output.Complete();
_deflater.Dispose();
}
public static String Compress(string str)
{
byte[] bytesToCompress = ASCIIEncoding.UTF8.GetBytes(str);
// Compressor with highest level of compression.
Deflater compressor = new Deflater(Deflater.BEST_COMPRESSION);
compressor.SetInput(bytesToCompress); // Give the compressor the data to
// compress.
compressor.Finish();
// Create an expandable byte array to hold the compressed data.
// It is not necessary that the compressed data will be smaller than
// the uncompressed data.
byte[] ret = null;
using (MemoryStream memStream = new MemoryStream(bytesToCompress.Length))
{
// Compress the data
byte[] buf = new byte[bytesToCompress.Length + 100];
while (!compressor.IsFinished)
{
memStream.Write(buf, 0, compressor.Deflate(buf));
}
memStream.Close();
ret = memStream.ToArray();
}
// Get the compressed data
return Convert.ToBase64String(ret);
}
private byte[][] CompressTxtContent(Encoding encoding, CChapterList chapters)
{
string s = string.Empty;
int num = 0;
ArrayList list = new ArrayList(chapters.Count);
int[] numArray = new int[chapters.Count];
for (int i = 0; i < chapters.Count; i++)
{
string str2 = chapters[i].Content.Replace("\r\n", "\u2029") + "\u2029";
list.Add(str2);
s = s + str2;
numArray[i] = num;
num += str2.Length * 2;
}
byte[] bytes = new byte[num];
bytes = Encoding.Unicode.GetBytes(s);
int num3 = 0;
if ((num % 0x8000) == 0)
{
num3 = num / 0x8000;
}
else
{
num3 = (num / 0x8000) + 1;
}
byte[][] bufferArray = new byte[num3][];
int index = 0;
byte[] input = new byte[0x8000];
int num5 = 0;
for (int j = 0; j < bytes.Length; j++)
{
input[num5] = bytes[j];
num5++;
if ((num5 == 0x8000) || (j == (bytes.Length - 1)))
{
byte[] output = new byte[0x8000];
Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION, false);
if (deflater.IsNeedingInput)
{
deflater.SetInput(input, 0, input.Length);
}
deflater.Finish();
deflater.Deflate(output);
bufferArray[index] = new byte[deflater.TotalOut];
Deflater deflater2 = new Deflater(Deflater.BEST_COMPRESSION, false);
if (deflater2.IsNeedingInput)
{
deflater2.SetInput(input, 0, input.Length);
}
deflater2.Finish();
deflater2.Deflate(bufferArray[index]);
index++;
input = null;
input = new byte[0x8000];
num5 = 0;
}
}
return(bufferArray);
}
/// <summary>
/// Writes a len bytes from an array to the compressed stream.
/// </summary>
/// <param name="buf">
/// the byte array.
/// </param>
/// <param name="off">
/// the offset into the byte array where to start.
/// </param>
/// <param name="len">
/// the number of bytes to write.
/// </param>
public override void Write(byte[] buf, int off, int len)
{
// System.err.println("DOS with off " + off + " and len " + len);
def.SetInput(buf, off, len);
deflate();
}
/// <inheritdoc/>
public IDataStorerEntry Add(string path, params byte[] data)
{
Validation.NotNull("Path", path);
Validation.NotNull("Data", data);
string normalizedPath = path.Replace('\\', '/');
int pos = normalizedPath.IndexOf(':');
if (pos >= 0)
{
normalizedPath = normalizedPath.Remove(0, pos + 1);
}
normalizedPath = normalizedPath.Trim('/');
int uncompressedLength = data.Length;
int compressedLength;
byte[] compressedData;
CompressionMethod compressionMethod;
if (this.enableCompression)
{
Deflater deflater = new Deflater(Deflater.DEFLATED);
deflater.SetInput(data, 0, uncompressedLength);
deflater.Finish();
compressedData = new byte[uncompressedLength];
compressedLength = deflater.Deflate(compressedData, 0, uncompressedLength);
if (deflater.IsFinished && compressedLength <= uncompressedLength)
{
// Use deflate
compressionMethod = CompressionMethod.Deflate;
}
else
{
// Force to store
compressedData = data;
compressedLength = uncompressedLength;
compressionMethod = CompressionMethod.Store;
}
}
else
{
// Only store
compressedData = data;
compressedLength = uncompressedLength;
compressionMethod = CompressionMethod.Store;
}
uint uncompressedSize = (uint)uncompressedLength;
uint compressedSize = (uint)compressedLength;
uint crc32 = CRC32.Calculate(data);
uint headerOffset = (uint)this.zipFileWriter.Position;
ZipWriteOnlyStorerEntry fileEntry = new ZipWriteOnlyStorerEntry(
normalizedPath,
uncompressedSize,
compressionMethod,
compressedSize,
headerOffset,
crc32,
DateTime.Now,
comment ?? ""
);
this.WriteFileHeader(this.zipFileWriter, fileEntry, false);
this.zipFileWriter.WriteBytes(compressedData, 0, compressedLength);
this.entries.AddLast(fileEntry);
return(fileEntry);
}
/// <summary>
/// Writes bytes from an array to the compressed stream.
/// </summary>
/// <param name="buf">The byte array</param>
/// <param name="off">The offset into the byte array where to start.</param>
/// <param name="len">The number of bytes to write.</param>
public override void Write(byte[] buf, int off, int len)
{
def.SetInput(buf, off, len);
Deflate();
}
public void PackText(FileStream fileStream, uint off, uint zsize, uint size, Dictionary <ulong, string> dbd, uint hash2, uint hash1, int endtable, int somework)
{
BinaryReader binaryReader = new BinaryReader(fileStream);
binaryReader.BaseStream.Position = off;
binaryReader.ReadBytes(36);
byte[] input = binaryReader.ReadBytes((int)zsize);
byte[] buffer = new byte[size];
Inflater inflater = new Inflater();
inflater.SetInput(input);
inflater.Inflate(buffer);
BinaryReader binaryReader2 = new BinaryReader(new MemoryStream(buffer));
binaryReader2.ReadBytes(3);
int num = binaryReader2.ReadInt32();
int num2 = num * 26 + 7;
Dictionary <ulong, string> dictionary = new Dictionary <ulong, string>();
int num3 = 0;
MemoryStream memoryStream = new MemoryStream();
BinaryWriter binaryWriter = new BinaryWriter(memoryStream);
binaryWriter.Write((byte)1);
binaryWriter.Write((byte)0);
binaryWriter.Write((byte)0);
binaryWriter.Write(num);
while (num3 < num)
{
long num4 = binaryReader2.ReadInt64();
byte b = binaryReader2.ReadByte();
byte value = binaryReader2.ReadByte();
float value2 = binaryReader2.ReadSingle();
int num5 = binaryReader2.ReadInt32();
int num6 = binaryReader2.ReadInt32();
binaryReader2.ReadInt32();
long position = binaryReader2.BaseStream.Position;
string change_value = "0";
if (num5 > 0)
{
binaryReader2.BaseStream.Seek(num6, SeekOrigin.Begin);
byte[] bytes = binaryReader2.ReadBytes(num5);
string text = Encoding.UTF8.GetString(bytes).Replace("\n", "\\n");
ulong key = UniqueId(num4, b);
if (changes == "1")
{
if (dictionary_en.TryGetValue(key, out string _))
{
if (dictionary_en[key] != text)
{
dbd.Remove(key);
dictionary_xml_m.Remove(key);
dictionary_xml_w.Remove(key);
dictionary_xml_translator_m.Remove(key);
dictionary_xml_translator_w.Remove(key);
change_value = "1";
}
else
{
change_value = "0";
}
}
}
if (dbd.TryGetValue(key, out string _))
{
dictionary.Add(key, dbd[key]);
_ = dbd[key];
num5 = Encoding.UTF8.GetBytes(dbd[key].Replace("\\n", "\n")).Length;
}
else
{
transl_a = "";
if (ConfigurationManager.AppSettings["a_translate"] == "1" && somework == 1)
{
if (File.Exists(@"C:\\Program Files\\Mozilla Firefox\\firefox.exe") || File.Exists(@"C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe"))
{
transl_a = Translator(text, "Deepl");
/*string instrrr = "INSERT INTO Translated (fileinfo,hash,key_unic,text_en,text_ru_m,translator_m) VALUES ('" + hash1 + "','" + hash1 + "','" + key + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(transl_a) + "','Deepl');";
* using (StreamWriter file_for_exam = new StreamWriter("db\\deepl_trans.txt", true))
* {
* file_for_exam.WriteLine(instrrr);
* }
* transl_a = "";*/
}
else
{
transl_a = Translator(text, "Promt");
}
}
if (transl_a == "")
{
dictionary.Add(key, text);
dictionary_xml_m.Add(key, text);
dictionary_xml_w.Add(key, text);
dictionary_xml_translator_m.Add(key, "Deepl");
dictionary_xml_translator_w.Add(key, "Deepl");
num5 = Encoding.UTF8.GetBytes(text.Replace("\\n", "\n")).Length;
}
else
{
dictionary.Add(key, transl_a);
dictionary_xml_m.Add(key, transl_a);
dictionary_xml_w.Add(key, transl_a);
dictionary_xml_translator_m.Add(key, "Deepl");
dictionary_xml_translator_w.Add(key, "Deepl");
num5 = Encoding.UTF8.GetBytes(transl_a.Replace("\\n", "\n")).Length;
using (SQLiteConnection sqlite_conn = new SQLiteConnection("Data Source=db\\translate.db3; Version = 3; New = True; Compress = True; "))
{
sqlite_conn.Open();
using (SQLiteCommand sqlite_cmd = new SQLiteCommand(sqlite_conn))
{
if (change_value == "1")
{
sqlite_cmd.CommandText = "UPDATE Translated SET text_en='" + WebUtility.HtmlEncode(text) + "', text_ru_m='" + WebUtility.HtmlEncode(transl_a) + "',translator_m='Deepl',text_ru_w=NULL,translator_w=NULL WHERE key_unic ='" + key + "'";
}
else
{
sqlite_cmd.CommandText = "INSERT INTO Translated (fileinfo,hash,key_unic,text_en,text_ru_m,translator_m) VALUES ('" + hash1 + "','" + hash1 + "','" + key + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(transl_a) + "','Deepl')";
}
sqlite_cmd.ExecuteNonQuery();
}
}
}
/*string xml_text = "<hash>" + hash1 + "</hash><key>" + key + "</key><text_en>" + WebUtility.HtmlEncode(text) + "</text_en>";
* using (StreamWriter file_for_exam =
* new StreamWriter("db\\new_eng.txt", true))
* {
* file_for_exam.WriteLine(xml_text);
* }
*
* string xml_text = "<filesinfo></filesinfo><hash>" + hash1 + "</hash><key>" + key + "</key><text_en>" + WebUtility.HtmlEncode(text) + "</text_en><text_ru_m transl=\"3\">" + WebUtility.HtmlEncode(dbd[key]) + "</text_ru_m><text_ru_w transl=\"3\"></text_ru_w>";
* using (StreamWriter file_for_exam =
* new StreamWriter(@"C:\Users\Tidus\source\repos\SWToR_RUS\bin\Debug\db\all2.txt", true, encoding: Encoding.UTF8))
* {
* file_for_exam.WriteLine(xml_text);
* }
* SQLiteConnection sqlite_conn;
* sqlite_conn = new SQLiteConnection("Data Source=db\\translate.db3; Version = 3; New = True; Compress = True; ");
* sqlite_conn.Open();
* SQLiteCommand sqlite_cmd;
* sqlite_cmd = sqlite_conn.CreateCommand();
* string sql_insert = "INSERT INTO Translated (hash,key_unic,text_en,text_ru_m,translator_m) VALUES ('" + hash1.ToString() + "','" + key.ToString() + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(dbd[key]) + "','3')";
* sqlite_cmd.CommandText = sql_insert;
* sqlite_cmd.ExecuteNonQuery();
* sqlite_conn.Close();*/
}
/*if (somework == 1)
* {
* string tmp_base;
* if (dictionary_xml_translator_w.TryGetValue(key, out string sdfg) && dictionary_xml_m[key] != dictionary_xml_w[key])
* {
* tmp_base = "INSERT INTO Translated (fileinfo,hash,key_unic,text_en,text_ru_m,translator_m,text_ru_w,translator_w) VALUES ('" + hash1 + "','" + hash1 + "','" + key + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(dictionary_xml_m[key]).Replace("\n \n", "\n\n").Replace("\n", "\\n") + "','" + dictionary_xml_translator_m[key] + "','" + WebUtility.HtmlEncode(dictionary_xml_w[key]).Replace("\n \n", "\n\n").Replace("\n", "\\n") + "','" + dictionary_xml_translator_w[key] + "');";
* }
* else
* {
* tmp_base = "INSERT INTO Translated (fileinfo,hash,key_unic,text_en,text_ru_m,translator_m) VALUES ('" + hash1 + "','" + hash1 + "','" + key + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(dictionary_xml_m[key]).Replace("\n \n", "\n\n").Replace("\n", "\\n") + "','" + dictionary_xml_translator_m[key] + "');";
* }
* tmp_base = "'" + nu88 + "','" + num4 + "','" + b + "','" + value + "','" + value2 + "','" + num6 + "','" + hash1 + "','" + key + "','" + WebUtility.HtmlEncode(text) + "','" + WebUtility.HtmlEncode(dictionary_xml_m[key]).Replace("\n \n", "\n\n").Replace("\n", "\\n") + "','" + dictionary_xml_translator_m[key] + "'";
* using (StreamWriter file_for_exam = new StreamWriter("db\\allbase.txt", true))
* {
* file_for_exam.WriteLine(tmp_base);
* }
* }*/
}
binaryReader2.BaseStream.Position = position;
num3++;
binaryWriter.Write(num4);
binaryWriter.Write(b);
binaryWriter.Write(value);
binaryWriter.Write(value2);
binaryWriter.Write(num5);
binaryWriter.Write(num2);
num2 += num5;
binaryWriter.Write(num5);
}
foreach (KeyValuePair <ulong, string> item in dictionary)
{
Encoding.UTF8.GetBytes(item.Value.Replace("\\n", "\n"));
binaryWriter.Write(Encoding.UTF8.GetBytes(item.Value.Replace("\\n", "\n")));
}
MemoryStream memoryStream2 = new MemoryStream();
Deflater deflater = new Deflater();
deflater.SetInput(memoryStream.ToArray());
deflater.Finish();
byte[] array = new byte[size * 3];
while (!deflater.IsNeedingInput)
{
int count = deflater.Deflate(array);
memoryStream2.Write(array, 0, count);
if (deflater.IsFinished)
{
break;
}
}
deflater.Reset();
int newsize = memoryStream.ToArray().Length;
int newzsize = memoryStream2.ToArray().Length;
byte[] array2 = new byte[36];
array2[0] = 2;
array2[2] = 32;
byte[] array3 = new byte[array2.Length + memoryStream2.ToArray().Length];
array2.CopyTo(array3, 0);
memoryStream2.ToArray().CopyTo(array3, array2.Length);
if (somework == 1)
{
using (StreamReader Hashes_Names = new StreamReader("db\\hashes_filename.txt", Encoding.Default))
{
while (!Hashes_Names.EndOfStream)
{
string line = Hashes_Names.ReadLine();
if (line.IndexOf(hash1.ToString("X")) != -1)
{
string rez = line.Substring(line.IndexOf("/resources/en-us/str/") + 21);
string rez2 = rez.Substring(0, rez.IndexOf("#"));
if (File_Name_List.Contains(hash1.ToString()))
{
using (SQLiteConnection sqlite_conn = new SQLiteConnection("Data Source=db\\translate.db3; Version = 3; New = True; Compress = True; "))
{
sqlite_conn.Open();
using (SQLiteCommand sqlite_cmd = new SQLiteCommand(sqlite_conn))
{
sqlite_cmd.CommandText = "UPDATE Translated SET fileinfo='" + WebUtility.HtmlEncode(rez2) + "' WHERE hash ='" + hash1 + "'";
sqlite_cmd.ExecuteNonQuery();
}
}
}
}
}
}
}
Hhh(fileStream, array3, newzsize, newsize, hash2, hash1, endtable);
}
private byte[] CompressRecord(string path)
{
var len = (int)((new FileInfo(path)).Length);
var level = 5;
switch (cmbCompLevel.SelectedIndex)
{
case 0:
level = 9;
break;
case 1:
level = 7;
break;
case 2:
level = 5;
break;
case 3:
level = 3;
break;
case 4:
level = 1;
break;
}
var def = new Deflater(level);
var In = File.ReadAllBytes(path);
var Out = new byte[In.Length + 64];
def.SetInput(In);
def.Finish();
var size = def.Deflate(Out);
Array.Resize(ref Out, size);
float mul = 0;
switch (cmbCompression.SelectedIndex)
{
case 6:
case 5:
return(Out);
case 4:
mul = 0.8f;
break;
case 3:
mul = 0.6f;
break;
case 2:
mul = 0.4f;
break;
case 1:
mul = 0.2f;
break;
}
var f = size / (float)len;
if (f < mul)
{
return(Out);
}
return(null);
}
static int Deflate(Deflater def, byte [] src, byte [] dest)
{
bool count;
int offset, length, remain;
if (dest == null) {
dest = new byte [BlockSize];
count = true;
} else
count = false;
def.Reset ();
def.SetInput (src);
offset = 0;
while (!def.IsFinished) {
if (def.IsNeedingInput)
def.Finish ();
remain = Math.Min (dest.Length - offset, BlockSize);
if (remain == 0)
break;
length = def.Deflate (dest, offset, remain);
if (!count)
offset += length;
}
return def.TotalOut;
}
/// <summary>
/// Writes the MPK to a specific filename
/// </summary>
/// <param name="fname"></param>
public void Write(string fname)
{
Deflater def;
byte[] buf, dir, name;
var files = new MPKFile[_files.Count];
using (var dirmem = new MemoryStream(_files.Count * MPKFileHeader.MaxSize))
{
int index = 0;
uint offset = 0;
uint diroffset = 0;
foreach (MPKFile file in _files.Values)
{
file.Header.DirectoryOffset = diroffset;
file.Header.Offset = offset;
files[index] = file;
using (var wrtr = new BinaryWriter(dirmem, Encoding.UTF8))
{
file.Header.Write(wrtr);
}
offset += file.Header.UncompressedSize;
diroffset += file.Header.CompressedSize;
index++;
}
def = new Deflater();
def.SetInput(dirmem.GetBuffer(), 0, (int)dirmem.Position);
def.Finish();
dir = new byte[dirmem.Position];
def.Deflate(dir);
_sizeDir = (int)def.TotalOut;
}
def = new Deflater();
_crc.Reset();
_crc.Update(dir, 0, _sizeDir);
def.SetInput(Encoding.UTF8.GetBytes(_name));
def.Finish();
name = new byte[_name.Length];
def.Deflate(name);
_numFiles = _files.Count;
_sizeName = (int)def.TotalOut;
using (var filemem = new MemoryStream())
{
using (var wrtr = new BinaryWriter(filemem, Encoding.UTF8))
{
wrtr.Write((int)_crc.Value);
wrtr.Write(_sizeDir);
wrtr.Write(_sizeName);
wrtr.Write(_numFiles);
buf = new byte[16];
Buffer.BlockCopy(filemem.GetBuffer(), 0, buf, 0, 16);
for (byte i = 0; i < 16; i++)
{
buf[i] ^= i;
}
}
}
using (FileStream fileStream = File.Open(fname, FileMode.Create, FileAccess.Write))
{
using (var wrtr = new BinaryWriter(fileStream, Encoding.UTF8))
{
wrtr.Write(Magic);
wrtr.Write((byte)2);
wrtr.Write(buf, 0, 16);
wrtr.Write(name, 0, _sizeName);
wrtr.Write(dir, 0, _sizeDir);
foreach (MPKFile file in files)
{
wrtr.Write(file.CompressedData);
}
}
}
}
/// <summary>
/// Build a binary data frame form the frame object.
/// </summary>
/// <param name="frameBase">ID3 Frame</param>
/// <returns>binary frame representation</returns>
public byte[] Make(IFrame frameBase)
{
flagHandler.Flags = frameBase.Flags;
byte[] frame = frameBase.Make();
MemoryStream memoryStream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(memoryStream);
if (flagHandler.Grouping == true)
{
//TODO: Do grouping some place in the universe
byte _group = 0;
writer.Write(_group);
}
if (flagHandler.Compression == true)
{
switch (flagHandler.Version)
{
case 3:
{
writer.Write(Swap.Int32(frame.Length));
break;
}
case 4:
{
writer.Write(Sync.UnsafeBigEndian(Swap.UInt32((uint)frame.Length)));
break;
}
default:
{
throw new NotImplementedException("ID3v2 Version " + flagHandler.Version + " is not supported.");
}
}
byte[] buf = new byte[2048];
Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION);
deflater.SetInput(frame, 0, frame.Length);
deflater.Finish();
while (!deflater.IsNeedingInput)
{
int len = deflater.Deflate(buf, 0, buf.Length);
if (len <= 0)
{
break;
}
memoryStream.Write(buf, 0, len);
}
if (!deflater.IsNeedingInput)
{
//TODO: Skip and remove invalid frames.
throw new InvalidFrameException("Can't decompress frame '" + frameBase.FrameId + "' missing data");
}
}
else
{
memoryStream.Write(frame, 0, frame.Length);
}
if (flagHandler.Encryption == true)
{
//TODO: Encryption
throw new NotImplementedException("Encryption is not implemented, consequently it is not supported.");
}
if (flagHandler.Unsynchronisation == true)
{
MemoryStream synchStream = new MemoryStream();
Sync.Unsafe(memoryStream, synchStream, (uint)memoryStream.Position);
memoryStream = synchStream;
}
return(memoryStream.ToArray());
}
