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Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Archive/Common/CoderMixer2.h')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Archive/Common/CoderMixer2.h | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Archive/Common/CoderMixer2.h b/other-licenses/7zstub/src/CPP/7zip/Archive/Common/CoderMixer2.h new file mode 100644 index 000000000..4bd641835 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Archive/Common/CoderMixer2.h @@ -0,0 +1,447 @@ +// CoderMixer2.h
+
+#ifndef __CODER_MIXER2_H
+#define __CODER_MIXER2_H
+
+#include "../../../Common/MyCom.h"
+#include "../../../Common/MyVector.h"
+
+#include "../../ICoder.h"
+
+#include "../../Common/CreateCoder.h"
+
+#ifdef _7ZIP_ST
+ #define USE_MIXER_ST
+#else
+ #define USE_MIXER_MT
+ #ifndef _SFX
+ #define USE_MIXER_ST
+ #endif
+#endif
+
+#ifdef USE_MIXER_MT
+#include "../../Common/StreamBinder.h"
+#include "../../Common/VirtThread.h"
+#endif
+
+
+
+#ifdef USE_MIXER_ST
+
+class CSequentialInStreamCalcSize:
+ public ISequentialInStream,
+ public CMyUnknownImp
+{
+public:
+ MY_UNKNOWN_IMP1(ISequentialInStream)
+
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+private:
+ CMyComPtr<ISequentialInStream> _stream;
+ UInt64 _size;
+ bool _wasFinished;
+public:
+ void SetStream(ISequentialInStream *stream) { _stream = stream; }
+ void Init()
+ {
+ _size = 0;
+ _wasFinished = false;
+ }
+ void ReleaseStream() { _stream.Release(); }
+ UInt64 GetSize() const { return _size; }
+ bool WasFinished() const { return _wasFinished; }
+};
+
+
+class COutStreamCalcSize:
+ public ISequentialOutStream,
+ public IOutStreamFinish,
+ public CMyUnknownImp
+{
+ CMyComPtr<ISequentialOutStream> _stream;
+ UInt64 _size;
+public:
+ MY_UNKNOWN_IMP2(ISequentialOutStream, IOutStreamFinish)
+
+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+ STDMETHOD(OutStreamFinish)();
+
+ void SetStream(ISequentialOutStream *stream) { _stream = stream; }
+ void ReleaseStream() { _stream.Release(); }
+ void Init() { _size = 0; }
+ UInt64 GetSize() const { return _size; }
+};
+
+#endif
+
+
+
+namespace NCoderMixer2 {
+
+struct CBond
+{
+ UInt32 PackIndex;
+ UInt32 UnpackIndex;
+
+ UInt32 Get_InIndex(bool encodeMode) const { return encodeMode ? UnpackIndex : PackIndex; }
+ UInt32 Get_OutIndex(bool encodeMode) const { return encodeMode ? PackIndex : UnpackIndex; }
+};
+
+
+struct CCoderStreamsInfo
+{
+ UInt32 NumStreams;
+};
+
+
+struct CBindInfo
+{
+ CRecordVector<CCoderStreamsInfo> Coders;
+ CRecordVector<CBond> Bonds;
+ CRecordVector<UInt32> PackStreams;
+ unsigned UnpackCoder;
+
+ unsigned GetNum_Bonds_and_PackStreams() const { return Bonds.Size() + PackStreams.Size(); }
+
+ int FindBond_for_PackStream(UInt32 packStream) const
+ {
+ FOR_VECTOR (i, Bonds)
+ if (Bonds[i].PackIndex == packStream)
+ return i;
+ return -1;
+ }
+
+ int FindBond_for_UnpackStream(UInt32 unpackStream) const
+ {
+ FOR_VECTOR (i, Bonds)
+ if (Bonds[i].UnpackIndex == unpackStream)
+ return i;
+ return -1;
+ }
+
+ bool SetUnpackCoder()
+ {
+ bool isOk = false;
+ FOR_VECTOR(i, Coders)
+ {
+ if (FindBond_for_UnpackStream(i) < 0)
+ {
+ if (isOk)
+ return false;
+ UnpackCoder = i;
+ isOk = true;
+ }
+ }
+ return isOk;
+ }
+
+ bool IsStream_in_PackStreams(UInt32 streamIndex) const
+ {
+ return FindStream_in_PackStreams(streamIndex) >= 0;
+ }
+
+ int FindStream_in_PackStreams(UInt32 streamIndex) const
+ {
+ FOR_VECTOR(i, PackStreams)
+ if (PackStreams[i] == streamIndex)
+ return i;
+ return -1;
+ }
+
+
+ // that function is used before Maps is calculated
+
+ UInt32 GetStream_for_Coder(UInt32 coderIndex) const
+ {
+ UInt32 streamIndex = 0;
+ for (UInt32 i = 0; i < coderIndex; i++)
+ streamIndex += Coders[i].NumStreams;
+ return streamIndex;
+ }
+
+ // ---------- Maps Section ----------
+
+ CRecordVector<UInt32> Coder_to_Stream;
+ CRecordVector<UInt32> Stream_to_Coder;
+
+ void ClearMaps();
+ bool CalcMapsAndCheck();
+
+ // ---------- End of Maps Section ----------
+
+ void Clear()
+ {
+ Coders.Clear();
+ Bonds.Clear();
+ PackStreams.Clear();
+
+ ClearMaps();
+ }
+
+ void GetCoder_for_Stream(UInt32 streamIndex, UInt32 &coderIndex, UInt32 &coderStreamIndex) const
+ {
+ coderIndex = Stream_to_Coder[streamIndex];
+ coderStreamIndex = streamIndex - Coder_to_Stream[coderIndex];
+ }
+};
+
+
+
+class CCoder
+{
+ CLASS_NO_COPY(CCoder);
+public:
+ CMyComPtr<ICompressCoder> Coder;
+ CMyComPtr<ICompressCoder2> Coder2;
+ UInt32 NumStreams;
+
+ UInt64 UnpackSize;
+ const UInt64 *UnpackSizePointer;
+
+ CRecordVector<UInt64> PackSizes;
+ CRecordVector<const UInt64 *> PackSizePointers;
+
+ bool Finish;
+
+ CCoder(): Finish(false) {}
+
+ void SetCoderInfo(const UInt64 *unpackSize, const UInt64 * const *packSizes, bool finish);
+
+ HRESULT CheckDataAfterEnd(bool &dataAfterEnd_Error /* , bool &InternalPackSizeError */) const;
+
+ IUnknown *GetUnknown() const
+ {
+ return Coder ? (IUnknown *)Coder : (IUnknown *)Coder2;
+ }
+
+ HRESULT QueryInterface(REFGUID iid, void** pp) const
+ {
+ return GetUnknown()->QueryInterface(iid, pp);
+ }
+};
+
+
+
+class CMixer
+{
+ bool Is_PackSize_Correct_for_Stream(UInt32 streamIndex);
+
+protected:
+ CBindInfo _bi;
+
+ int FindBond_for_Stream(bool forInputStream, UInt32 streamIndex) const
+ {
+ if (EncodeMode == forInputStream)
+ return _bi.FindBond_for_UnpackStream(streamIndex);
+ else
+ return _bi.FindBond_for_PackStream(streamIndex);
+ }
+
+ CBoolVector IsFilter_Vector;
+ CBoolVector IsExternal_Vector;
+ bool EncodeMode;
+public:
+ unsigned MainCoderIndex;
+
+ // bool InternalPackSizeError;
+
+ CMixer(bool encodeMode):
+ EncodeMode(encodeMode),
+ MainCoderIndex(0)
+ // , InternalPackSizeError(false)
+ {}
+
+ /*
+ Sequence of calling:
+
+ SetBindInfo();
+ for each coder
+ AddCoder();
+ SelectMainCoder();
+
+ for each file
+ {
+ ReInit()
+ for each coder
+ SetCoderInfo();
+ Code();
+ }
+ */
+
+ virtual HRESULT SetBindInfo(const CBindInfo &bindInfo)
+ {
+ _bi = bindInfo;
+ IsFilter_Vector.Clear();
+ MainCoderIndex = 0;
+ return S_OK;
+ }
+
+ virtual void AddCoder(const CCreatedCoder &cod) = 0;
+ virtual CCoder &GetCoder(unsigned index) = 0;
+ virtual void SelectMainCoder(bool useFirst) = 0;
+ virtual void ReInit() = 0;
+ virtual void SetCoderInfo(unsigned coderIndex, const UInt64 *unpackSize, const UInt64 * const *packSizes, bool finish) = 0;
+ virtual HRESULT Code(
+ ISequentialInStream * const *inStreams,
+ ISequentialOutStream * const *outStreams,
+ ICompressProgressInfo *progress,
+ bool &dataAfterEnd_Error) = 0;
+ virtual UInt64 GetBondStreamSize(unsigned bondIndex) const = 0;
+
+ bool Is_UnpackSize_Correct_for_Coder(UInt32 coderIndex);
+ bool Is_PackSize_Correct_for_Coder(UInt32 coderIndex);
+ bool IsThere_ExternalCoder_in_PackTree(UInt32 coderIndex);
+};
+
+
+
+
+#ifdef USE_MIXER_ST
+
+struct CCoderST: public CCoder
+{
+ bool CanRead;
+ bool CanWrite;
+
+ CCoderST(): CanRead(false), CanWrite(false) {}
+};
+
+
+struct CStBinderStream
+{
+ CSequentialInStreamCalcSize *InStreamSpec;
+ COutStreamCalcSize *OutStreamSpec;
+ CMyComPtr<IUnknown> StreamRef;
+
+ CStBinderStream(): InStreamSpec(NULL), OutStreamSpec(NULL) {}
+};
+
+
+class CMixerST:
+ public IUnknown,
+ public CMixer,
+ public CMyUnknownImp
+{
+ HRESULT GetInStream2(ISequentialInStream * const *inStreams, /* const UInt64 * const *inSizes, */
+ UInt32 outStreamIndex, ISequentialInStream **inStreamRes);
+ HRESULT GetInStream(ISequentialInStream * const *inStreams, /* const UInt64 * const *inSizes, */
+ UInt32 inStreamIndex, ISequentialInStream **inStreamRes);
+ HRESULT GetOutStream(ISequentialOutStream * const *outStreams, /* const UInt64 * const *outSizes, */
+ UInt32 outStreamIndex, ISequentialOutStream **outStreamRes);
+
+ HRESULT FinishStream(UInt32 streamIndex);
+ HRESULT FinishCoder(UInt32 coderIndex);
+
+public:
+ CObjectVector<CCoderST> _coders;
+
+ CObjectVector<CStBinderStream> _binderStreams;
+
+ MY_UNKNOWN_IMP
+
+ CMixerST(bool encodeMode);
+ ~CMixerST();
+
+ virtual void AddCoder(const CCreatedCoder &cod);
+ virtual CCoder &GetCoder(unsigned index);
+ virtual void SelectMainCoder(bool useFirst);
+ virtual void ReInit();
+ virtual void SetCoderInfo(unsigned coderIndex, const UInt64 *unpackSize, const UInt64 * const *packSizes, bool finish)
+ { _coders[coderIndex].SetCoderInfo(unpackSize, packSizes, finish); }
+ virtual HRESULT Code(
+ ISequentialInStream * const *inStreams,
+ ISequentialOutStream * const *outStreams,
+ ICompressProgressInfo *progress,
+ bool &dataAfterEnd_Error);
+ virtual UInt64 GetBondStreamSize(unsigned bondIndex) const;
+
+ HRESULT GetMainUnpackStream(
+ ISequentialInStream * const *inStreams,
+ ISequentialInStream **inStreamRes);
+};
+
+#endif
+
+
+
+
+#ifdef USE_MIXER_MT
+
+class CCoderMT: public CCoder, public CVirtThread
+{
+ CLASS_NO_COPY(CCoderMT)
+ CRecordVector<ISequentialInStream*> InStreamPointers;
+ CRecordVector<ISequentialOutStream*> OutStreamPointers;
+
+private:
+ void Execute();
+public:
+ bool EncodeMode;
+ HRESULT Result;
+ CObjectVector< CMyComPtr<ISequentialInStream> > InStreams;
+ CObjectVector< CMyComPtr<ISequentialOutStream> > OutStreams;
+
+ void Release()
+ {
+ InStreamPointers.Clear();
+ OutStreamPointers.Clear();
+ unsigned i;
+ for (i = 0; i < InStreams.Size(); i++)
+ InStreams[i].Release();
+ for (i = 0; i < OutStreams.Size(); i++)
+ OutStreams[i].Release();
+ }
+
+ class CReleaser
+ {
+ CLASS_NO_COPY(CReleaser)
+ CCoderMT &_c;
+ public:
+ CReleaser(CCoderMT &c): _c(c) {}
+ ~CReleaser() { _c.Release(); }
+ };
+
+ CCoderMT(): EncodeMode(false) {}
+ ~CCoderMT() { CVirtThread::WaitThreadFinish(); }
+
+ void Code(ICompressProgressInfo *progress);
+};
+
+
+class CMixerMT:
+ public IUnknown,
+ public CMixer,
+ public CMyUnknownImp
+{
+ CObjectVector<CStreamBinder> _streamBinders;
+
+ HRESULT Init(ISequentialInStream * const *inStreams, ISequentialOutStream * const *outStreams);
+ HRESULT ReturnIfError(HRESULT code);
+
+public:
+ CObjectVector<CCoderMT> _coders;
+
+ MY_UNKNOWN_IMP
+
+ virtual HRESULT SetBindInfo(const CBindInfo &bindInfo);
+ virtual void AddCoder(const CCreatedCoder &cod);
+ virtual CCoder &GetCoder(unsigned index);
+ virtual void SelectMainCoder(bool useFirst);
+ virtual void ReInit();
+ virtual void SetCoderInfo(unsigned coderIndex, const UInt64 *unpackSize, const UInt64 * const *packSizes, bool finish)
+ { _coders[coderIndex].SetCoderInfo(unpackSize, packSizes, finish); }
+ virtual HRESULT Code(
+ ISequentialInStream * const *inStreams,
+ ISequentialOutStream * const *outStreams,
+ ICompressProgressInfo *progress,
+ bool &dataAfterEnd_Error);
+ virtual UInt64 GetBondStreamSize(unsigned bondIndex) const;
+
+ CMixerMT(bool encodeMode): CMixer(encodeMode) {}
+};
+
+#endif
+
+}
+
+#endif
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