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annotate libs/openctm/liblzma/LzmaEnc.h @ 64:99715321ad6d

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author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 17 Apr 2014 08:53:42 +0300
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nuclear@14 1 /* LzmaEnc.h -- LZMA Encoder
nuclear@14 2 2008-10-04 : Igor Pavlov : Public domain */
nuclear@14 3
nuclear@14 4 #ifndef __LZMAENC_H
nuclear@14 5 #define __LZMAENC_H
nuclear@14 6
nuclear@14 7 #include "Types.h"
nuclear@14 8
nuclear@14 9 #define LZMA_PROPS_SIZE 5
nuclear@14 10
nuclear@14 11 typedef struct _CLzmaEncProps
nuclear@14 12 {
nuclear@14 13 int level; /* 0 <= level <= 9 */
nuclear@14 14 UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version
nuclear@14 15 (1 << 12) <= dictSize <= (1 << 30) for 64-bit version
nuclear@14 16 default = (1 << 24) */
nuclear@14 17 int lc; /* 0 <= lc <= 8, default = 3 */
nuclear@14 18 int lp; /* 0 <= lp <= 4, default = 0 */
nuclear@14 19 int pb; /* 0 <= pb <= 4, default = 2 */
nuclear@14 20 int algo; /* 0 - fast, 1 - normal, default = 1 */
nuclear@14 21 int fb; /* 5 <= fb <= 273, default = 32 */
nuclear@14 22 int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */
nuclear@14 23 int numHashBytes; /* 2, 3 or 4, default = 4 */
nuclear@14 24 UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */
nuclear@14 25 unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */
nuclear@14 26 int numThreads; /* 1 or 2, default = 2 */
nuclear@14 27 } CLzmaEncProps;
nuclear@14 28
nuclear@14 29 void LzmaEncProps_Init(CLzmaEncProps *p);
nuclear@14 30 void LzmaEncProps_Normalize(CLzmaEncProps *p);
nuclear@14 31 UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
nuclear@14 32
nuclear@14 33
nuclear@14 34 /* ---------- CLzmaEncHandle Interface ---------- */
nuclear@14 35
nuclear@14 36 /* LzmaEnc_* functions can return the following exit codes:
nuclear@14 37 Returns:
nuclear@14 38 SZ_OK - OK
nuclear@14 39 SZ_ERROR_MEM - Memory allocation error
nuclear@14 40 SZ_ERROR_PARAM - Incorrect paramater in props
nuclear@14 41 SZ_ERROR_WRITE - Write callback error.
nuclear@14 42 SZ_ERROR_PROGRESS - some break from progress callback
nuclear@14 43 SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
nuclear@14 44 */
nuclear@14 45
nuclear@14 46 typedef void * CLzmaEncHandle;
nuclear@14 47
nuclear@14 48 CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc);
nuclear@14 49 void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
nuclear@14 50 SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
nuclear@14 51 SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
nuclear@14 52 SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream,
nuclear@14 53 ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
nuclear@14 54 SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
nuclear@14 55 int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
nuclear@14 56
nuclear@14 57 /* ---------- One Call Interface ---------- */
nuclear@14 58
nuclear@14 59 /* LzmaEncode
nuclear@14 60 Return code:
nuclear@14 61 SZ_OK - OK
nuclear@14 62 SZ_ERROR_MEM - Memory allocation error
nuclear@14 63 SZ_ERROR_PARAM - Incorrect paramater
nuclear@14 64 SZ_ERROR_OUTPUT_EOF - output buffer overflow
nuclear@14 65 SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
nuclear@14 66 */
nuclear@14 67
nuclear@14 68 SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
nuclear@14 69 const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
nuclear@14 70 ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
nuclear@14 71
nuclear@14 72 #endif