STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
    const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
{
  if (!_outBuf)
  {
    _outBuf = (Byte *)::MidAlloc(kBufSize);
    if (!_outBuf)
      return E_OUTOFMEMORY;
  }
  
  _inStream.Stream = inStream;
  SetOutStreamSize(outSize);

  do
  {
    const UInt64 startPos = _processedSize;
    HRESULT res = CodeSpec(_outBuf, kBufSize);
    size_t processed = (size_t)(_processedSize - startPos);
    RINOK(WriteStream(outStream, _outBuf, processed));
    RINOK(res);
    if (_status == kStatus_Finished)
      break;
    if (progress)
    {
      UInt64 inSize = _inStream.GetProcessed();
      RINOK(progress->SetRatioInfo(&inSize, &_processedSize));
    }
  }
  while (!_outSizeDefined || _processedSize < _outSize);
  return S_OK;
}
STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
    const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
{
  if (_inBuf == 0)
    return E_INVALIDARG;
  SetOutStreamSize(outSize);
  return CodeSpec(inStream, outStream, progress);
}
STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
  const UInt64 startPos = _processedSize;
  HRESULT res = CodeSpec((Byte *)data, size);
  if (processedSize)
    *processedSize = (UInt32)(_processedSize - startPos);
  return res;
}
Ejemplo n.º 4
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STDMETHODIMP CCoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
  HRESULT res;
  DEFLATE_TRY_BEGIN
  if (processedSize)
    *processedSize = 0;
  const UInt64 startPos = m_OutWindowStream.GetProcessedSize();
  m_OutWindowStream.SetMemStream((Byte *)data);
  res = CodeSpec(size, false);
  if (res == S_OK)
  {
    res = Flush();
    if (processedSize)
      *processedSize = (UInt32)(m_OutWindowStream.GetProcessedSize() - startPos);
  }
  DEFLATE_TRY_END(res)
  m_OutWindowStream.SetMemStream(NULL);
  return res;
}
Ejemplo n.º 5
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HRESULT CDecoder::CodeResume(ISequentialOutStream *outStream, const UInt64 *outSize, ICompressProgressInfo *progress)
{
  SetOutStreamSizeResume(outSize);
  return CodeSpec(_inStream, outStream, progress);
}
STDMETHODIMP CDecoder::SetOutStreamSize(const UInt64 *outSize)
{
  _outSizeDefined = (outSize != NULL);
  if (_outSizeDefined)
    _outSize = *outSize;
  _processedSize = 0;
  _remainLen = kLenIdNeedInit;
  _outStream.Init();
  return S_OK;
}

#ifndef NO_READ_FROM_CODER

STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
{
  PPMD_TRY_BEGIN
  if (processedSize)
    *processedSize = 0;
  const UInt64 startPos = _processedSize;
  RINOK(CodeSpec(size, (Byte *)data));
  if (processedSize)
    *processedSize = (UInt32)(_processedSize - startPos);
  return Flush();
  PPMD_TRY_END
}

#endif

}}