public SRes Lzma2Enc_Encode(ISeqOutStream outStream, ISeqInStream inStream, ICompressProgress progress)
{
for (int i = 0; i < mProps.mNumBlockThreads; i++)
{
CLzma2EncInternal t = mCoders[i];
if (t.mEnc == null)
{
t.mEnc = LzmaEnc_Create(mAlloc);
if (t.mEnc == null)
{
return(SZ_ERROR_MEM);
}
}
}
#if !_7ZIP_ST
if (mProps.mNumBlockThreads <= 1)
#endif
return(mCoders[0].Lzma2Enc_EncodeMt1(this, outStream, inStream, progress));
#if !_7ZIP_ST
mMtCoder.mProgress = progress;
mMtCoder.mInStream = inStream;
mMtCoder.mOutStream = outStream;
mMtCoder.mAlloc = mAlloc;
mMtCoder.mMtCallback = new CMtCallbackImp(this);
mMtCoder.mBlockSize = mProps.mBlockSize;
mMtCoder.mDestBlockSize = mProps.mBlockSize + (mProps.mBlockSize >> 10) + 16;
mMtCoder.mNumThreads = mProps.mNumBlockThreads;
return(mMtCoder.MtCoder_Code());
#endif
}
public void Lzma2Enc_Destroy()
{
for (uint i = 0; i < mCoders.Length; i++)
{
CLzma2EncInternal t = mCoders[i];
if (t.mEnc != null)
{
t.mEnc.LzmaEnc_Destroy(mAlloc, mAllocBig);
t.mEnc = null;
}
}
#if !_7ZIP_ST
mMtCoder.MtCoder_Destruct();
#endif
IAlloc_FreeBytes(mAlloc, mOutBuf);
IAlloc_FreeObject(mAlloc, this);
}
public CLzma2Enc(ISzAlloc alloc, ISzAlloc allocBig) // Lzma2Enc_Create
{
Trace.AllocSmallObject("CLzma2Enc", alloc);
mProps.Lzma2EncProps_Init();
mProps.Lzma2EncProps_Normalize();
mOutBuf = null;
mAlloc = alloc;
mAllocBig = allocBig;
mCoders = new CLzma2EncInternal[NUM_MT_CODER_THREADS_MAX];
for (int i = 0; i < mCoders.Length; i++)
{
mCoders[i] = new CLzma2EncInternal();
mCoders[i].mEnc = null;
}
#if !_7ZIP_ST
mMtCoder = new CMtCoder();
#endif
}
// Lzma2Enc_Create
public CLzma2Enc(ISzAlloc alloc, ISzAlloc allocBig)
{
Trace.AllocSmallObject("CLzma2Enc", alloc);
mProps.Lzma2EncProps_Init();
mProps.Lzma2EncProps_Normalize();
mOutBuf = null;
mAlloc = alloc;
mAllocBig = allocBig;
mCoders = new CLzma2EncInternal[NUM_MT_CODER_THREADS_MAX];
for (int i = 0; i < mCoders.Length; i++)
{
mCoders[i] = new CLzma2EncInternal();
mCoders[i].mEnc = null;
}
#if !_7ZIP_ST
mMtCoder = new CMtCoder();
#endif
}
internal SRes Code(int index, P <byte> dest, ref long destSize, P <byte> src, long srcSize, bool finished)
{
CLzma2EncInternal p = mLzma2Enc.mCoders[index];
SRes res = SZ_OK;
long destLim = destSize;
destSize = 0;
if (srcSize != 0)
{
if ((res = p.Lzma2EncInt_Init(mLzma2Enc.mProps)) != SZ_OK)
{
return(res);
}
if ((res = p.mEnc.LzmaEnc_MemPrepare(src, srcSize, CLzma2EncInternal.LZMA2_KEEP_WINDOW_SIZE, mLzma2Enc.mAlloc, mLzma2Enc.mAllocBig)) != SZ_OK)
{
return(res);
}
while (p.mSrcPos < (ulong)srcSize)
{
long packSize = destLim - destSize;
res = p.Lzma2EncInt_EncodeSubblock(dest + destSize, ref packSize, null);
if (res != SZ_OK)
{
break;
}
destSize += packSize;
if (packSize == 0)
{
res = SZ_ERROR_FAIL;
break;
}
if (mLzma2Enc.mMtCoder.mMtProgress.MtProgress_Set(index, p.mSrcPos, (ulong)destSize) != SZ_OK)
{
res = SZ_ERROR_PROGRESS;
break;
}
}
p.mEnc.LzmaEnc_Finish();
if (res != SZ_OK)
{
return(res);
}
}
if (finished)
{
if (destSize == destLim)
{
return(SZ_ERROR_OUTPUT_EOF);
}
dest[destSize++] = 0;
}
return(res);
}