1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
4 * Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 **************************************************************************/
27 /* LzmaLib.c -- LZMA library wrapper
31 #include "vogl_core.h"
32 #include "lzma_LzmaEnc.h"
33 #include "lzma_LzmaDec.h"
34 #include "lzma_Alloc.h"
35 #include "lzma_LzmaLib.h"
40 static void *SzAlloc(void *p, size_t size)
45 static void SzFree(void *p, void *address)
50 static ISzAlloc g_Alloc = { SzAlloc, SzFree };
52 MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen,
53 unsigned char *outProps, size_t *outPropsSize,
54 int level, /* 0 <= level <= 9, default = 5 */
55 unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
56 int lc, /* 0 <= lc <= 8, default = 3 */
57 int lp, /* 0 <= lp <= 4, default = 0 */
58 int pb, /* 0 <= pb <= 4, default = 2 */
59 int fb, /* 5 <= fb <= 273, default = 32 */
60 int numThreads /* 1 or 2, default = 2 */
64 LzmaEncProps_Init(&props);
66 props.dictSize = dictSize;
71 props.numThreads = numThreads;
73 return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
74 NULL, &g_Alloc, &g_Alloc);
77 MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen,
78 const unsigned char *props, size_t propsSize)
81 return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);