STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs,
const PROPVARIANT *coderProps, UInt32 numProps)
{
CLzma2EncProps lzma2Props;
Lzma2EncProps_Init(&lzma2Props);
for (UInt32 i = 0; i < numProps; i++)
{
RINOK(SetLzma2Prop(propIDs[i], coderProps[i], lzma2Props));
}
return SResToHRESULT(Lzma2Enc_SetProps(_encoder, &lzma2Props));
}
STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *prop, UInt32 size)
{
RINOK(SResToHRESULT(LzmaDec_Allocate(&_state, prop, size, &g_Alloc)));
if (_inBuf == 0)
{
_inBuf = (Byte *)MyAlloc(kInBufSize);
if (_inBuf == 0)
return E_OUTOFMEMORY;
}
return S_OK;
}
STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *prop, UInt32 size)
{
if (size != 1) return SZ_ERROR_UNSUPPORTED;
RINOK(SResToHRESULT(Lzma2Dec_Allocate(&_state, prop[0], &g_Alloc)));
if (_inBuf == 0)
{
_inBuf = (Byte *)MyAlloc(kInBufSize);
if (_inBuf == 0)
return E_OUTOFMEMORY;
}
return S_OK;
}
STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 * /* inSize */, const UInt64 * /* outSize */, ICompressProgressInfo *progress)
{
CSeqInStreamWrap inWrap(inStream);
CSeqOutStreamWrap outWrap(outStream);
CCompressProgressWrap progressWrap(progress);
SRes res = Lzma2Enc_Encode(_encoder, &outWrap.p, &inWrap.p, progress ? &progressWrap.p : NULL);
if (res == SZ_ERROR_READ && inWrap.Res != S_OK)
return inWrap.Res;
if (res == SZ_ERROR_WRITE && outWrap.Res != S_OK)
return outWrap.Res;
if (res == SZ_ERROR_PROGRESS && progressWrap.Res != S_OK)
return progressWrap.Res;
return SResToHRESULT(res);
}
STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 * /* inSize */, const UInt64 * /* outSize */, ICompressProgressInfo *progress)
{
CCompressProgressImp progressImp;
progressImp.p.Progress = CompressProgress;
progressImp.Progress = progress;
progressImp.Res = SZ_OK;
_seqInStream.RealStream = inStream;
SetOutStream(outStream);
SRes res = LzmaEnc_Encode(_encoder, &_seqOutStream.SeqOutStream, &_seqInStream.SeqInStream, progress ? &progressImp.p : NULL, &g_Alloc, &g_BigAlloc);
ReleaseOutStream();
if (res == SZ_ERROR_WRITE && _seqOutStream.Res != S_OK)
return _seqOutStream.Res;
if (res == SZ_ERROR_PROGRESS && progressImp.Res != S_OK)
return progressImp.Res;
return SResToHRESULT(res);
}
STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs,
const PROPVARIANT *coderProps, UInt32 numProps)
{
CLzmaEncProps props;
LzmaEncProps_Init(&props);
for (UInt32 i = 0; i < numProps; i++)
{
const PROPVARIANT &prop = coderProps[i];
switch (propIDs[i])
{
case NCoderPropID::kNumFastBytes:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.fb = prop.ulVal; break;
case NCoderPropID::kMatchFinderCycles:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.mc = prop.ulVal; break;
case NCoderPropID::kAlgorithm:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.algo = prop.ulVal; break;
case NCoderPropID::kDictionarySize:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.dictSize = prop.ulVal; break;
case NCoderPropID::kPosStateBits:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.pb = prop.ulVal; break;
case NCoderPropID::kLitPosBits:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.lp = prop.ulVal; break;
case NCoderPropID::kLitContextBits:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.lc = prop.ulVal; break;
case NCoderPropID::kNumThreads:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.numThreads = prop.ulVal; break;
case NCoderPropID::kMultiThread:
if (prop.vt != VT_BOOL) return E_INVALIDARG; props.numThreads = ((prop.boolVal == VARIANT_TRUE) ? 2 : 1); break;
case NCoderPropID::kEndMarker:
if (prop.vt != VT_BOOL) return E_INVALIDARG; props.writeEndMark = (prop.boolVal == VARIANT_TRUE); break;
case NCoderPropID::kMatchFinder:
if (prop.vt != VT_BSTR) return E_INVALIDARG;
if (!ParseMatchFinder(prop.bstrVal, &props.btMode, &props.numHashBytes /* , &_matchFinderBase.skipModeBits */))
return E_INVALIDARG; break;
default:
return E_INVALIDARG;
}
}
return SResToHRESULT(LzmaEnc_SetProps(_encoder, &props));
}
STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
if (processedSize)
*processedSize = 0;
do
{
if (_inPos == _inSize)
{
_inPos = _inSize = 0;
RINOK(_inStream->Read(_inBuf, kInBufSize, &_inSize));
}
{
SizeT inProcessed = _inSize - _inPos;
if (_outSizeDefined)
{
const UInt64 rem = _outSize - _outSizeProcessed;
if (rem < size)
size = (UInt32)rem;
}
SizeT outProcessed = size;
ELzmaStatus status;
SRes res = LzmaDec_DecodeToBuf(&_state, (Byte *)data, &outProcessed,
_inBuf + _inPos, &inProcessed, LZMA_FINISH_ANY, &status);
_inPos += (UInt32)inProcessed;
_inSizeProcessed += inProcessed;
_outSizeProcessed += outProcessed;
size -= (UInt32)outProcessed;
data = (Byte *)data + outProcessed;
if (processedSize)
*processedSize += (UInt32)outProcessed;
RINOK(SResToHRESULT(res));
if (inProcessed == 0 && outProcessed == 0)
return S_OK;
}
}
while (size != 0);
return S_OK;
}
STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 * /* inSize */, const UInt64 * /* outSize */, ICompressProgressInfo *progress)
{
CSeqInStreamWrap inWrap;
CSeqOutStreamWrap outWrap;
CCompressProgressWrap progressWrap;
inWrap.Init(inStream);
outWrap.Init(outStream);
progressWrap.Init(progress);
SRes res = LzmaEnc_Encode(_encoder, &outWrap.vt, &inWrap.vt,
progress ? &progressWrap.vt : NULL, &g_Alloc, &g_BigAlloc);
_inputProcessed = inWrap.Processed;
RET_IF_WRAP_ERROR(inWrap.Res, res, SZ_ERROR_READ)
RET_IF_WRAP_ERROR(outWrap.Res, res, SZ_ERROR_WRITE)
RET_IF_WRAP_ERROR(progressWrap.Res, res, SZ_ERROR_PROGRESS)
return SResToHRESULT(res);
}
STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs,
const PROPVARIANT *coderProps, UInt32 numProps)
{
CLzmaEncProps props;
LzmaEncProps_Init(&props);
for (UInt32 i = 0; i < numProps; i++)
{
const PROPVARIANT &prop = coderProps[i];
PROPID propID = propIDs[i];
switch (propID)
{
case NCoderPropID::kEndMarker:
if (prop.vt != VT_BOOL) return E_INVALIDARG; props.writeEndMark = (prop.boolVal == VARIANT_TRUE); break;
case NCoderPropID::kNumThreads:
if (prop.vt != VT_UI4) return E_INVALIDARG; props.numThreads = prop.ulVal; break;
default:
RINOK(SetLzmaProp(propID, prop, props));
}
}
return SResToHRESULT(LzmaEnc_SetProps(_encoder, &props));
}
STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *prop, UInt32 size)
{
RINOK(SResToHRESULT(LzmaDec_Allocate(&_state, prop, size, &g_Alloc)));
_propsWereSet = true;
return CreateInputBuffer();
}