diff options
Diffstat (limited to 'src/libs/7zip/win/C/Lzma86.h')
-rw-r--r-- | src/libs/7zip/win/C/Lzma86.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/libs/7zip/win/C/Lzma86.h b/src/libs/7zip/win/C/Lzma86.h deleted file mode 100644 index 6acbd888a..000000000 --- a/src/libs/7zip/win/C/Lzma86.h +++ /dev/null @@ -1,111 +0,0 @@ -/* Lzma86.h -- LZMA + x86 (BCJ) Filter -2009-08-14 : Igor Pavlov : Public domain */ - -#ifndef __LZMA86_H -#define __LZMA86_H - -#include "Types.h" - -EXTERN_C_BEGIN - -#define LZMA86_SIZE_OFFSET (1 + 5) -#define LZMA86_HEADER_SIZE (LZMA86_SIZE_OFFSET + 8) - -/* -It's an example for LZMA + x86 Filter use. -You can use .lzma86 extension, if you write that stream to file. -.lzma86 header adds one additional byte to standard .lzma header. -.lzma86 header (14 bytes): - Offset Size Description - 0 1 = 0 - no filter, pure LZMA - = 1 - x86 filter + LZMA - 1 1 lc, lp and pb in encoded form - 2 4 dictSize (little endian) - 6 8 uncompressed size (little endian) - - -Lzma86_Encode -------------- -level - compression level: 0 <= level <= 9, the default value for "level" is 5. - -dictSize - The dictionary size in bytes. The maximum value is - 128 MB = (1 << 27) bytes for 32-bit version - 1 GB = (1 << 30) bytes for 64-bit version - The default value is 16 MB = (1 << 24) bytes, for level = 5. - It's recommended to use the dictionary that is larger than 4 KB and - that can be calculated as (1 << N) or (3 << N) sizes. - For better compression ratio dictSize must be >= inSize. - -filterMode: - SZ_FILTER_NO - no Filter - SZ_FILTER_YES - x86 Filter - SZ_FILTER_AUTO - it tries both alternatives to select best. - Encoder will use 2 or 3 passes: - 2 passes when FILTER_NO provides better compression. - 3 passes when FILTER_YES provides better compression. - -Lzma86Encode allocates Data with MyAlloc functions. -RAM Requirements for compressing: - RamSize = dictionarySize * 11.5 + 6MB + FilterBlockSize - filterMode FilterBlockSize - SZ_FILTER_NO 0 - SZ_FILTER_YES inSize - SZ_FILTER_AUTO inSize - - -Return code: - SZ_OK - OK - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_PARAM - Incorrect paramater - SZ_ERROR_OUTPUT_EOF - output buffer overflow - SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) -*/ - -enum ESzFilterMode -{ - SZ_FILTER_NO, - SZ_FILTER_YES, - SZ_FILTER_AUTO -}; - -SRes Lzma86_Encode(Byte *dest, size_t *destLen, const Byte *src, size_t srcLen, - int level, UInt32 dictSize, int filterMode); - - -/* -Lzma86_GetUnpackSize: - In: - src - input data - srcLen - input data size - Out: - unpackSize - size of uncompressed stream - Return code: - SZ_OK - OK - SZ_ERROR_INPUT_EOF - Error in headers -*/ - -SRes Lzma86_GetUnpackSize(const Byte *src, SizeT srcLen, UInt64 *unpackSize); - -/* -Lzma86_Decode: - In: - dest - output data - destLen - output data size - src - input data - srcLen - input data size - Out: - destLen - processed output size - srcLen - processed input size - Return code: - SZ_OK - OK - SZ_ERROR_DATA - Data error - SZ_ERROR_MEM - Memory allocation error - SZ_ERROR_UNSUPPORTED - unsupported file - SZ_ERROR_INPUT_EOF - it needs more bytes in input buffer -*/ - -SRes Lzma86_Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen); - -EXTERN_C_END - -#endif |