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Side by Side Diff: third_party/lzma_sdk/LzmaEnc.h

Issue 658573004: Updating to new OTS repo from https://github.com/khaledhosny/ots.git (Closed) Base URL: https://chromium.googlesource.com/external/ots@master
Patch Set: Adding Colored Emoji changes from external/git repo Created 6 years, 2 months ago
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1 /* LzmaEnc.h -- LZMA Encoder
2 2009-02-07 : Igor Pavlov : Public domain
3 in the public domain */
4
5 #ifndef __LZMA_ENC_H
6 #define __LZMA_ENC_H
7
8 #include "Types.h"
9
10 #ifdef __cplusplus
11 extern "C" {
12 #endif
13
14 #define LZMA_PROPS_SIZE 5
15
16 typedef struct _CLzmaEncProps
17 {
18 int level; /* 0 <= level <= 9 */
19 UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version
20 (1 << 12) <= dictSize <= (1 << 30) for 64-bit version
21 default = (1 << 24) */
22 int lc; /* 0 <= lc <= 8, default = 3 */
23 int lp; /* 0 <= lp <= 4, default = 0 */
24 int pb; /* 0 <= pb <= 4, default = 2 */
25 int algo; /* 0 - fast, 1 - normal, default = 1 */
26 int fb; /* 5 <= fb <= 273, default = 32 */
27 int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */
28 int numHashBytes; /* 2, 3 or 4, default = 4 */
29 UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */
30 unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */
31 int numThreads; /* 1 or 2, default = 2 */
32 } CLzmaEncProps;
33
34 void LzmaEncProps_Init(CLzmaEncProps *p);
35 void LzmaEncProps_Normalize(CLzmaEncProps *p);
36 UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
37
38
39 /* ---------- CLzmaEncHandle Interface ---------- */
40
41 /* LzmaEnc_* functions can return the following exit codes:
42 Returns:
43 SZ_OK - OK
44 SZ_ERROR_MEM - Memory allocation error
45 SZ_ERROR_PARAM - Incorrect paramater in props
46 SZ_ERROR_WRITE - Write callback error.
47 SZ_ERROR_PROGRESS - some break from progress callback
48 SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
49 */
50
51 typedef void * CLzmaEncHandle;
52
53 CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc);
54 void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
55 SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
56 SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
57 SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *in Stream,
58 ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
59 SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
60 int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *al locBig);
61
62 /* ---------- One Call Interface ---------- */
63
64 /* LzmaEncode
65 Return code:
66 SZ_OK - OK
67 SZ_ERROR_MEM - Memory allocation error
68 SZ_ERROR_PARAM - Incorrect paramater
69 SZ_ERROR_OUTPUT_EOF - output buffer overflow
70 SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
71 */
72
73 SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
74 const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeE ndMark,
75 ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
76
77 #ifdef __cplusplus
78 }
79 #endif
80
81 #endif
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