src/third-party/lzma/Lzma2Enc.h (view raw)
1/* Lzma2Enc.h -- LZMA2 Encoder
22017-07-27 : Igor Pavlov : Public domain */
3
4#ifndef __LZMA2_ENC_H
5#define __LZMA2_ENC_H
6
7#include "LzmaEnc.h"
8
9EXTERN_C_BEGIN
10
11#define LZMA2_ENC_PROPS__BLOCK_SIZE__AUTO 0
12#define LZMA2_ENC_PROPS__BLOCK_SIZE__SOLID ((UInt64)(Int64)-1)
13
14typedef struct
15{
16 CLzmaEncProps lzmaProps;
17 UInt64 blockSize;
18 int numBlockThreads_Reduced;
19 int numBlockThreads_Max;
20 int numTotalThreads;
21} CLzma2EncProps;
22
23void Lzma2EncProps_Init(CLzma2EncProps *p);
24void Lzma2EncProps_Normalize(CLzma2EncProps *p);
25
26/* ---------- CLzmaEnc2Handle Interface ---------- */
27
28/* Lzma2Enc_* functions can return the following exit codes:
29SRes:
30 SZ_OK - OK
31 SZ_ERROR_MEM - Memory allocation error
32 SZ_ERROR_PARAM - Incorrect paramater in props
33 SZ_ERROR_WRITE - ISeqOutStream write callback error
34 SZ_ERROR_OUTPUT_EOF - output buffer overflow - version with (Byte *) output
35 SZ_ERROR_PROGRESS - some break from progress callback
36 SZ_ERROR_THREAD - error in multithreading functions (only for Mt version)
37*/
38
39typedef void * CLzma2EncHandle;
40
41CLzma2EncHandle Lzma2Enc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig);
42void Lzma2Enc_Destroy(CLzma2EncHandle p);
43SRes Lzma2Enc_SetProps(CLzma2EncHandle p, const CLzma2EncProps *props);
44void Lzma2Enc_SetDataSize(CLzma2EncHandle p, UInt64 expectedDataSiize);
45Byte Lzma2Enc_WriteProperties(CLzma2EncHandle p);
46SRes Lzma2Enc_Encode2(CLzma2EncHandle p,
47 ISeqOutStream *outStream,
48 Byte *outBuf, size_t *outBufSize,
49 ISeqInStream *inStream,
50 const Byte *inData, size_t inDataSize,
51 ICompressProgress *progress);
52
53EXTERN_C_END
54
55#endif