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Annotation of elwix/tools/oldlzma/SRC/7zip/Compress/LZMA_Alone/LzmaRam.h, revision 1.1

1.1     ! misho       1: // LzmaRam.h
        !             2: 
        !             3: #ifndef __LzmaRam_h
        !             4: #define __LzmaRam_h
        !             5: 
        !             6: #include <stdlib.h>
        !             7: #include "../../../Common/Types.h"
        !             8: 
        !             9: /*
        !            10: LzmaRamEncode: BCJ + LZMA RAM->RAM compressing.
        !            11: It uses .lzma format, but it writes one additional byte to .lzma file:
        !            12:   0: - no filter
        !            13:   1: - x86(BCJ) filter.
        !            14: 
        !            15: To provide best compression ratio dictionarySize mustbe >= inSize
        !            16: 
        !            17: LzmaRamEncode allocates Data with MyAlloc/BigAlloc functions.
        !            18: RAM Requirements:
        !            19:   RamSize = dictionarySize * 9.5 + 6MB + FilterBlockSize 
        !            20:     FilterBlockSize = 0, if useFilter == false
        !            21:     FilterBlockSize = inSize, if useFilter == true
        !            22: 
        !            23:   Return code:
        !            24:     0 - OK
        !            25:     1 - Unspecified Error
        !            26:     2 - Memory allocating error
        !            27:     3 - Output buffer OVERFLOW
        !            28: 
        !            29: If you use SZ_FILTER_AUTO mode, then encoder will use 2 or 3 passes:
        !            30:   2 passes when FILTER_NO provides better compression.
        !            31:   3 passes when FILTER_YES provides better compression.
        !            32: */
        !            33: 
        !            34: enum ESzFilterMode 
        !            35: {
        !            36:   SZ_FILTER_NO,
        !            37:   SZ_FILTER_YES,
        !            38:   SZ_FILTER_AUTO
        !            39: };
        !            40: 
        !            41: int LzmaRamEncode(
        !            42:     const Byte *inBuffer, size_t inSize, 
        !            43:     Byte *outBuffer, size_t outSize, size_t *outSizeProcessed, 
        !            44:     UInt32 dictionarySize, ESzFilterMode filterMode);
        !            45: 
        !            46: #endif