| Revision: | 1.1 |
| Committed: | Tue Feb 24 11:56:44 2009 UTC (16 years, 2 months ago) by loizides |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, V07-05-00, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, ConvRejection-10-06-09, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008, Mit_008pre2, Mit_008pre1, HEAD |
| Branch point for: | Mit_025c_branch |
| Log Message: | Preload lib for compression improvements. |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | loizides | 1.1 | /* stats1a.h -- statistics for the the LZO1A algorithm |
| 2 | |||
| 3 | This file is part of the LZO real-time data compression library. | ||
| 4 | |||
| 5 | Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer | ||
| 6 | Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer | ||
| 7 | Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer | ||
| 8 | Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer | ||
| 9 | Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer | ||
| 10 | Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer | ||
| 11 | Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer | ||
| 12 | Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer | ||
| 13 | Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer | ||
| 14 | Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer | ||
| 15 | Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer | ||
| 16 | Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer | ||
| 17 | Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer | ||
| 18 | All Rights Reserved. | ||
| 19 | |||
| 20 | The LZO library is free software; you can redistribute it and/or | ||
| 21 | modify it under the terms of the GNU General Public License as | ||
| 22 | published by the Free Software Foundation; either version 2 of | ||
| 23 | the License, or (at your option) any later version. | ||
| 24 | |||
| 25 | The LZO library is distributed in the hope that it will be useful, | ||
| 26 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 28 | GNU General Public License for more details. | ||
| 29 | |||
| 30 | You should have received a copy of the GNU General Public License | ||
| 31 | along with the LZO library; see the file COPYING. | ||
| 32 | If not, write to the Free Software Foundation, Inc., | ||
| 33 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
| 34 | |||
| 35 | Markus F.X.J. Oberhumer | ||
| 36 | <markus@oberhumer.com> | ||
| 37 | http://www.oberhumer.com/opensource/lzo/ | ||
| 38 | */ | ||
| 39 | |||
| 40 | |||
| 41 | /* WARNING: this file should *not* be used by applications. It is | ||
| 42 | part of the implementation of the LZO package and is subject | ||
| 43 | to change. | ||
| 44 | */ | ||
| 45 | |||
| 46 | |||
| 47 | #ifndef __LZO_STATS1A_H | ||
| 48 | #define __LZO_STATS1A_H | ||
| 49 | |||
| 50 | #ifdef __cplusplus | ||
| 51 | extern "C" { | ||
| 52 | #endif | ||
| 53 | |||
| 54 | |||
| 55 | |||
| 56 | /*********************************************************************** | ||
| 57 | // collect statistical information when compressing | ||
| 58 | // used for finetuning, view with a debugger | ||
| 59 | ************************************************************************/ | ||
| 60 | |||
| 61 | #if defined(LZO_COLLECT_STATS) | ||
| 62 | # define LZO_STATS(expr) expr | ||
| 63 | #else | ||
| 64 | # define LZO_STATS(expr) ((void) 0) | ||
| 65 | #endif | ||
| 66 | |||
| 67 | |||
| 68 | /*********************************************************************** | ||
| 69 | // | ||
| 70 | ************************************************************************/ | ||
| 71 | |||
| 72 | typedef struct { | ||
| 73 | |||
| 74 | /* configuration */ | ||
| 75 | unsigned rbits; | ||
| 76 | unsigned clevel; | ||
| 77 | |||
| 78 | /* internal configuration */ | ||
| 79 | unsigned dbits; | ||
| 80 | unsigned lbits; | ||
| 81 | |||
| 82 | /* constants */ | ||
| 83 | unsigned min_match_short; | ||
| 84 | unsigned max_match_short; | ||
| 85 | unsigned min_match_long; | ||
| 86 | unsigned max_match_long; | ||
| 87 | unsigned min_offset; | ||
| 88 | unsigned max_offset; | ||
| 89 | unsigned r0min; | ||
| 90 | unsigned r0fast; | ||
| 91 | unsigned r0max; | ||
| 92 | |||
| 93 | /* counts */ | ||
| 94 | long short_matches; | ||
| 95 | long long_matches; | ||
| 96 | long r1_matches; | ||
| 97 | long lit_runs; | ||
| 98 | long lit_runs_after_long_match; | ||
| 99 | long r0short_runs; | ||
| 100 | long r0fast_runs; | ||
| 101 | long r0long_runs; | ||
| 102 | |||
| 103 | /* */ | ||
| 104 | long lit_run[RSIZE]; | ||
| 105 | long lit_run_after_long_match[RSIZE]; | ||
| 106 | long short_match[MAX_MATCH_SHORT + 1]; | ||
| 107 | long long_match[MAX_MATCH_LONG + 1]; | ||
| 108 | long marker[256]; | ||
| 109 | |||
| 110 | /* these could prove useful for further optimizations */ | ||
| 111 | long short_match_offset_osize[MAX_MATCH_SHORT + 1]; | ||
| 112 | long short_match_offset_256[MAX_MATCH_SHORT + 1]; | ||
| 113 | long short_match_offset_1024[MAX_MATCH_SHORT + 1]; | ||
| 114 | long matches_out_of_range; | ||
| 115 | long matches_out_of_range_2; | ||
| 116 | long matches_out_of_range_4; | ||
| 117 | long match_out_of_range[MAX_MATCH_SHORT + 1]; | ||
| 118 | |||
| 119 | /* */ | ||
| 120 | long in_len; | ||
| 121 | long out_len; | ||
| 122 | } | ||
| 123 | lzo1a_stats_t; | ||
| 124 | |||
| 125 | extern lzo1a_stats_t *lzo1a_stats; | ||
| 126 | |||
| 127 | |||
| 128 | |||
| 129 | #ifdef __cplusplus | ||
| 130 | } /* extern "C" */ | ||
| 131 | #endif | ||
| 132 | |||
| 133 | #endif /* already included */ | ||
| 134 | |||
| 135 | /* | ||
| 136 | vi:ts=4:et | ||
| 137 | */ |