notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* license:BSD-3-Clause |
| 2 | * copyright-holders:Aaron Giles | |
| 3 | *************************************************************************** | |
| 4 | ||
| 5 | lzma.h | |
| 6 | ||
| 7 | LZMA compression wrappers | |
| 8 | ||
| 9 | ***************************************************************************/ | |
| 10 | ||
| 11 | #pragma once | |
| 12 | ||
| 13 | #ifndef __LIBCHDR_LZMA_H__ | |
| 14 | #define __LIBCHDR_LZMA_H__ | |
| 15 | ||
| 16 | #include <stdint.h> | |
| 17 | ||
| 18 | #include <LzmaEnc.h> | |
| 19 | #include <LzmaDec.h> | |
| 20 | ||
| 21 | #include <libchdr/libchdr_zlib.h> | |
| 22 | ||
| 23 | /* codec-private data for the LZMA codec */ | |
| 24 | #define MAX_LZMA_ALLOCS 64 | |
| 25 | ||
| 26 | typedef struct _lzma_allocator lzma_allocator; | |
| 27 | struct _lzma_allocator | |
| 28 | { | |
| 29 | void *(*Alloc)(void *p, size_t size); | |
| 30 | void (*Free)(void *p, void *address); /* address can be 0 */ | |
| 31 | void (*FreeSz)(void *p, void *address, size_t size); /* address can be 0 */ | |
| 32 | uint32_t* allocptr[MAX_LZMA_ALLOCS]; | |
| 33 | uint32_t* allocptr2[MAX_LZMA_ALLOCS]; | |
| 34 | }; | |
| 35 | ||
| 36 | typedef struct _lzma_codec_data lzma_codec_data; | |
| 37 | struct _lzma_codec_data | |
| 38 | { | |
| 39 | CLzmaDec decoder; | |
| 40 | lzma_allocator allocator; | |
| 41 | }; | |
| 42 | ||
| 43 | /* codec-private data for the CDLZ codec */ | |
| 44 | typedef struct _cdlz_codec_data cdlz_codec_data; | |
| 45 | struct _cdlz_codec_data { | |
| 46 | /* internal state */ | |
| 47 | lzma_codec_data base_decompressor; | |
| 48 | #ifdef WANT_SUBCODE | |
| 49 | zlib_codec_data subcode_decompressor; | |
| 50 | #endif | |
| 51 | uint8_t* buffer; | |
| 52 | }; | |
| 53 | ||
| 54 | chd_error lzma_codec_init(void* codec, uint32_t hunkbytes); | |
| 55 | ||
| 56 | void lzma_codec_free(void* codec); | |
| 57 | ||
| 58 | /*------------------------------------------------- | |
| 59 | * decompress - decompress data using the LZMA | |
| 60 | * codec | |
| 61 | *------------------------------------------------- | |
| 62 | */ | |
| 63 | ||
| 64 | chd_error lzma_codec_decompress(void* codec, const uint8_t *src, | |
| 65 | uint32_t complen, uint8_t *dest, uint32_t destlen); | |
| 66 | ||
| 67 | chd_error cdlz_codec_init(void* codec, uint32_t hunkbytes); | |
| 68 | ||
| 69 | void cdlz_codec_free(void* codec); | |
| 70 | ||
| 71 | chd_error cdlz_codec_decompress(void *codec, const uint8_t *src, uint32_t complen, uint8_t *dest, uint32_t destlen); | |
| 72 | ||
| 73 | #endif /* __LIBCHDR_LZMA_H__ */ |