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103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* MtCoder.h -- Multi-thread Coder
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2009-03-26 : Igor Pavlov : Public domain */
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#ifndef __MT_CODER_H
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#define __MT_CODER_H
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#include "Threads.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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CThread thread;
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CAutoResetEvent startEvent;
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CAutoResetEvent finishedEvent;
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int stop;
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THREAD_FUNC_TYPE func;
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LPVOID param;
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THREAD_FUNC_RET_TYPE res;
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} CLoopThread;
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void LoopThread_Construct(CLoopThread *p);
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void LoopThread_Close(CLoopThread *p);
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WRes LoopThread_Create(CLoopThread *p);
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WRes LoopThread_StopAndWait(CLoopThread *p);
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WRes LoopThread_StartSubThread(CLoopThread *p);
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WRes LoopThread_WaitSubThread(CLoopThread *p);
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#ifdef COMPRESS_MT
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#define NUM_MT_CODER_THREADS_MAX 32
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#else
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#define NUM_MT_CODER_THREADS_MAX 1
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#endif
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typedef struct
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{
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UInt64 totalInSize;
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UInt64 totalOutSize;
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ICompressProgress *progress;
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SRes res;
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CCriticalSection cs;
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UInt64 inSizes[NUM_MT_CODER_THREADS_MAX];
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UInt64 outSizes[NUM_MT_CODER_THREADS_MAX];
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} CMtProgress;
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SRes MtProgress_Set(CMtProgress *p, unsigned index, UInt64 inSize, UInt64 outSize);
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struct _CMtCoder;
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typedef struct
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{
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struct _CMtCoder *mtCoder;
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Byte *outBuf;
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size_t outBufSize;
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Byte *inBuf;
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size_t inBufSize;
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unsigned index;
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CLoopThread thread;
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Bool stopReading;
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Bool stopWriting;
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CAutoResetEvent canRead;
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CAutoResetEvent canWrite;
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} CMtThread;
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typedef struct
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{
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SRes (*Code)(void *p, unsigned index, Byte *dest, size_t *destSize,
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const Byte *src, size_t srcSize, int finished);
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} IMtCoderCallback;
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typedef struct _CMtCoder
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{
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size_t blockSize;
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size_t destBlockSize;
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unsigned numThreads;
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ISeqInStream *inStream;
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ISeqOutStream *outStream;
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ICompressProgress *progress;
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ISzAlloc *alloc;
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IMtCoderCallback *mtCallback;
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CCriticalSection cs;
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SRes res;
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CMtProgress mtProgress;
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CMtThread threads[NUM_MT_CODER_THREADS_MAX];
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} CMtCoder;
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void MtCoder_Construct(CMtCoder* p);
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void MtCoder_Destruct(CMtCoder* p);
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SRes MtCoder_Code(CMtCoder *p);
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#ifdef __cplusplus
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}
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#endif
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#endif
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