63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
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// Compress/CopyCoder.cpp
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#include "StdAfx.h"
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extern "C"
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{
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#include "../../../../C/Alloc.h"
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}
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#include "CopyCoder.h"
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#include "../../Common/StreamUtils.h"
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namespace NCompress {
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static const UInt32 kBufferSize = 1 << 17;
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CCopyCoder::~CCopyCoder()
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{
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::MidFree(_buffer);
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}
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STDMETHODIMP CCopyCoder::Code(ISequentialInStream *inStream,
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ISequentialOutStream *outStream,
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const UInt64 * /* inSize */, const UInt64 *outSize,
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ICompressProgressInfo *progress)
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{
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if (_buffer == 0)
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{
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_buffer = (Byte *)::MidAlloc(kBufferSize);
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if (_buffer == 0)
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return E_OUTOFMEMORY;
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}
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TotalSize = 0;
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for (;;)
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{
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UInt32 realProcessedSize;
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UInt32 size = kBufferSize;
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if (outSize != 0)
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if (size > *outSize - TotalSize)
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size = (UInt32)(*outSize - TotalSize);
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RINOK(inStream->Read(_buffer, size, &realProcessedSize));
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if (realProcessedSize == 0)
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break;
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RINOK(WriteStream(outStream, _buffer, realProcessedSize, NULL));
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TotalSize += realProcessedSize;
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if (progress != NULL)
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{
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RINOK(progress->SetRatioInfo(&TotalSize, &TotalSize));
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}
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}
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return S_OK;
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}
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STDMETHODIMP CCopyCoder::GetInStreamProcessedSize(UInt64 *value)
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{
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*value = TotalSize;
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return S_OK;
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}
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}
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