public void LzmaCompress(SharedSettings s)
{
switch (s.Variant)
{
case 1:
{
long s_WrittenSize = s.Dst.Length;
var props = LZMA.CLzmaEncProps.LzmaEncProps_Init();
props.mLevel = s.ActualLevel;
props.mDictSize = (uint)s.ActualDictSize;
props.mLC = s.ActualLC;
props.mLP = s.ActualLP;
props.mPB = s.ActualPB;
props.mAlgo = s.ActualAlgo;
props.mFB = s.ActualFB;
props.mBtMode = s.ActualBTMode;
props.mNumHashBytes = s.ActualNumHashBytes;
props.mMC = s.ActualMC;
props.mWriteEndMark = s.ActualWriteEndMark;
props.mNumThreads = s.ActualNumThreads;
var enc = LZMA.LzmaEnc_Create(LZMA.ISzAlloc.SmallAlloc);
var res = enc.LzmaEnc_SetProps(props);
if (res != LZMA.SZ_OK)
{
throw new Exception("SetProps failed: " + res);
}
res = enc.LzmaEnc_MemEncode(P.From(s.Dst), ref s_WrittenSize, P.From(s.Src), s.Src.Length,
s.ActualWriteEndMark != 0, null, LZMA.ISzAlloc.SmallAlloc, LZMA.ISzAlloc.BigAlloc);
if (res != LZMA.SZ_OK)
{
throw new Exception("MemEncode failed: " + res);
}
s.Enc = new PZ(new byte[LZMA.LZMA_PROPS_SIZE]);
long s_Enc_Length = s.Enc.Length;
res = enc.LzmaEnc_WriteProperties(P.From(s.Enc), ref s_Enc_Length);
if (res != LZMA.SZ_OK)
{
throw new Exception("WriteProperties failed: " + res);
}
if (s.Enc.Length != s.Enc.Buffer.Length)
{
throw new NotSupportedException();
}
enc.LzmaEnc_Destroy(LZMA.ISzAlloc.SmallAlloc, LZMA.ISzAlloc.BigAlloc);
s.WrittenSize = (int)s_WrittenSize;
s.Enc.Length = (int)s_Enc_Length;
}
break;
default:
{
long s_WrittenSize = s.Dst.Length;
s.Enc = new PZ(new byte[LZMA.LZMA_PROPS_SIZE]);
long s_Enc_Length = s.Enc.Length;
var res = LZMA.LzmaCompress(
P.From(s.Dst), ref s_WrittenSize,
P.From(s.Src), s.Src.Length,
s.Enc.Buffer, ref s_Enc_Length,
s.ActualLevel, s.ActualDictSize, s.ActualLC, s.ActualLP, s.ActualPB, s.ActualFB, s.ActualNumThreads);
s.WrittenSize = (int)s_WrittenSize;
s.Enc.Length = (int)s_Enc_Length;
if (res != LZMA.SZ_OK)
{
throw new Exception("LzmaCompress failed: " + res);
}
if (s.Enc.Length != s.Enc.Buffer.Length)
{
throw new NotSupportedException();
}
}
break;
}
}
