1 /* Lzma2Enc.h -- LZMA2 Encoder 2 2017-07-27 : Igor Pavlov : Public domain */ 3 4 #ifndef __LZMA2_ENC_H 5 #define __LZMA2_ENC_H 6 7 #include "LzmaEnc.h" 8 9 EXTERN_C_BEGIN 10 11 #define LZMA2_ENC_PROPS__BLOCK_SIZE__AUTO 0 12 #define LZMA2_ENC_PROPS__BLOCK_SIZE__SOLID ((UInt64)(Int64)-1) 13 14 typedef struct 15 { 16 CLzmaEncProps lzmaProps; 17 UInt64 blockSize; 18 int numBlockThreads_Reduced; 19 int numBlockThreads_Max; 20 int numTotalThreads; 21 } CLzma2EncProps; 22 23 void Lzma2EncProps_Init(CLzma2EncProps *p); 24 void Lzma2EncProps_Normalize(CLzma2EncProps *p); 25 26 /* ---------- CLzmaEnc2Handle Interface ---------- */ 27 28 /* Lzma2Enc_* functions can return the following exit codes: 29 SRes: 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 39 typedef void * CLzma2EncHandle; 40 41 CLzma2EncHandle Lzma2Enc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig); 42 void Lzma2Enc_Destroy(CLzma2EncHandle p); 43 SRes Lzma2Enc_SetProps(CLzma2EncHandle p, const CLzma2EncProps *props); 44 void Lzma2Enc_SetDataSize(CLzma2EncHandle p, UInt64 expectedDataSiize); 45 Byte Lzma2Enc_WriteProperties(CLzma2EncHandle p); 46 SRes 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 53 EXTERN_C_END 54 55 #endif 56
