/*
* finishMode:
* It has meaning only if the decoding reaches output limit (*destLen).
* LZMA_FINISH_ANY - use smallest number of input bytes
* LZMA_FINISH_END - read EndOfStream marker after decoding
*
* Returns:
* SZ_OK
* status:
* LZMA_STATUS_FINISHED_WITH_MARK
* LZMA_STATUS_NOT_FINISHED
* SZ_ERROR_DATA - Data error
* SZ_ERROR_MEM - Memory allocation error
* SZ_ERROR_UNSUPPORTED - Unsupported properties
* SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
*/
public static SRes Lzma2Decode(P <byte> dest, ref long destLen, P <byte> src, ref long srcLen, byte prop, ELzmaFinishMode finishMode, out ELzmaStatus status, ISzAlloc alloc)
{
long outSize = destLen;
long inSize = srcLen;
destLen = 0;
srcLen = 0;
status = ELzmaStatus.LZMA_STATUS_NOT_SPECIFIED;
CLzma2Dec p = new CLzma2Dec();
p.Lzma2Dec_Construct();
SRes res;
if ((res = p.Lzma2Dec_AllocateProbs(prop, alloc)) != SZ_OK)
{
return(res);
}
p.mDecoder.mDic = dest;
p.mDecoder.mDicBufSize = outSize;
p.Lzma2Dec_Init();
srcLen = inSize;
res = p.Lzma2Dec_DecodeToDic(outSize, src, ref srcLen, finishMode, out status);
destLen = p.mDecoder.mDicPos;
if (res == SZ_OK && status == ELzmaStatus.LZMA_STATUS_NEEDS_MORE_INPUT)
{
res = SZ_ERROR_INPUT_EOF;
}
p.Lzma2Dec_FreeProbs(alloc);
return(res);
}
/*
finishMode:
It has meaning only if the decoding reaches output limit (*destLen).
LZMA_FINISH_ANY - use smallest number of input bytes
LZMA_FINISH_END - read EndOfStream marker after decoding
Returns:
SZ_OK
status:
LZMA_STATUS_FINISHED_WITH_MARK
LZMA_STATUS_NOT_FINISHED
SZ_ERROR_DATA - Data error
SZ_ERROR_MEM - Memory allocation error
SZ_ERROR_UNSUPPORTED - Unsupported properties
SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
*/
public static SRes Lzma2Decode(P<byte> dest, ref long destLen, P<byte> src, ref long srcLen, byte prop, ELzmaFinishMode finishMode, out ELzmaStatus status, ISzAlloc alloc)
{
long outSize = destLen;
long inSize = srcLen;
destLen = 0;
srcLen = 0;
status = ELzmaStatus.LZMA_STATUS_NOT_SPECIFIED;
CLzma2Dec p = new CLzma2Dec();
p.Lzma2Dec_Construct();
SRes res;
if ((res = p.Lzma2Dec_AllocateProbs(prop, alloc)) != SZ_OK)
return res;
p.mDecoder.mDic = dest;
p.mDecoder.mDicBufSize = outSize;
p.Lzma2Dec_Init();
srcLen = inSize;
res = p.Lzma2Dec_DecodeToDic(outSize, src, ref srcLen, finishMode, out status);
destLen = p.mDecoder.mDicPos;
if (res == SZ_OK && status == ELzmaStatus.LZMA_STATUS_NEEDS_MORE_INPUT)
res = SZ_ERROR_INPUT_EOF;
p.Lzma2Dec_FreeProbs(alloc);
return res;
}
