/// <summary>
/// Decompress bytes to osd.
/// </summary>
/// <returns>The decompressed osd.</returns>
/// <param name="input">Input.</param>
public static OSD ZDecompressBytesToOsd(byte[] input)
{
OSD osd;
using (MemoryStream msSinkUnCompressed = new MemoryStream ())
{
using (ZOutputStream zOut = new ZOutputStream (msSinkUnCompressed))
{
using (Stream inMs = new MemoryStream (input))
{
CopyStream (inMs, zOut);
zOut.finish ();
osd = OSDParser.DeserializeLLSDBinary (msSinkUnCompressed.ToArray ());
}
}
}
return osd;
}
/// <summary>
/// Compress an OSD.
/// </summary>
/// <returns>The compressed OSD</returns>
/// <param name="inOsd">In osd.</param>
/// <param name="useHeader">If set to <c>true</c> use header.</param>
public static OSD ZCompressOSD(OSD inOsd, bool useHeader)
{
OSD osd;
using (MemoryStream msSinkCompressed = new MemoryStream ())
{
using (ZOutputStream zOut = new ZOutputStream (msSinkCompressed, zlibConst.Z_DEFAULT_COMPRESSION))
{
CopyStream (new MemoryStream (OSDParser.SerializeLLSDBinary (inOsd, useHeader)), zOut);
zOut.finish ();
osd = OSD.FromBinary (msSinkCompressed.ToArray ());
}
}
return osd;
}
/// <summary>
/// decompresses a gzipped OSD object
/// </summary>
/// <param name="decodedOsd"></param> the OSD object
/// <param name="meshBytes"></param>
/// <returns></returns>
static OSD DecompressOsd(byte[] meshBytes)
{
OSD decodedOsd = null;
using (MemoryStream outMs = new MemoryStream())
{
using (ZOutputStream zOut = new ZOutputStream(outMs))
{
using (Stream inMs = new MemoryStream(meshBytes))
{
byte[] readBuffer = new byte[2000];
int readLen;
while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
zOut.Write(readBuffer, 0, readLen);
}
zOut.Flush();
zOut.finish();
//outMs.Seek(0, SeekOrigin.Begin);
//byte[] decompressedBuf = outMs.GetBuffer();
byte[] decompressedBuf = outMs.ToArray();
decodedOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
}
}
}
return decodedOsd;
}
