mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-15 00:41:55 +00:00
718112a8fe
Currently none of these is being used, but eventually they will, once more code gets ported over. So it's better to have them right away and avoid editing the project file too much, only to revert that later.
153 lines
5 KiB
C
153 lines
5 KiB
C
/*
|
|
* jaricom.c
|
|
*
|
|
* Developed 1997-2011 by Guido Vollbeding.
|
|
* This file is part of the Independent JPEG Group's software.
|
|
* For conditions of distribution and use, see the accompanying README file.
|
|
*
|
|
* This file contains probability estimation tables for common use in
|
|
* arithmetic entropy encoding and decoding routines.
|
|
*
|
|
* This data represents Table D.3 in the JPEG spec (D.2 in the draft),
|
|
* ISO/IEC IS 10918-1 and CCITT Recommendation ITU-T T.81, and Table 24
|
|
* in the JBIG spec, ISO/IEC IS 11544 and CCITT Recommendation ITU-T T.82.
|
|
*/
|
|
|
|
#define JPEG_INTERNALS
|
|
#include "jinclude.h"
|
|
#include "jpeglib.h"
|
|
|
|
/* The following #define specifies the packing of the four components
|
|
* into the compact INT32 representation.
|
|
* Note that this formula must match the actual arithmetic encoder
|
|
* and decoder implementation. The implementation has to be changed
|
|
* if this formula is changed.
|
|
* The current organization is leaned on Markus Kuhn's JBIG
|
|
* implementation (jbig_tab.c).
|
|
*/
|
|
|
|
#define V(i,a,b,c,d) (((INT32)a << 16) | ((INT32)c << 8) | ((INT32)d << 7) | b)
|
|
|
|
const INT32 jpeg_aritab[113+1] = {
|
|
/*
|
|
* Index, Qe_Value, Next_Index_LPS, Next_Index_MPS, Switch_MPS
|
|
*/
|
|
V( 0, 0x5a1d, 1, 1, 1 ),
|
|
V( 1, 0x2586, 14, 2, 0 ),
|
|
V( 2, 0x1114, 16, 3, 0 ),
|
|
V( 3, 0x080b, 18, 4, 0 ),
|
|
V( 4, 0x03d8, 20, 5, 0 ),
|
|
V( 5, 0x01da, 23, 6, 0 ),
|
|
V( 6, 0x00e5, 25, 7, 0 ),
|
|
V( 7, 0x006f, 28, 8, 0 ),
|
|
V( 8, 0x0036, 30, 9, 0 ),
|
|
V( 9, 0x001a, 33, 10, 0 ),
|
|
V( 10, 0x000d, 35, 11, 0 ),
|
|
V( 11, 0x0006, 9, 12, 0 ),
|
|
V( 12, 0x0003, 10, 13, 0 ),
|
|
V( 13, 0x0001, 12, 13, 0 ),
|
|
V( 14, 0x5a7f, 15, 15, 1 ),
|
|
V( 15, 0x3f25, 36, 16, 0 ),
|
|
V( 16, 0x2cf2, 38, 17, 0 ),
|
|
V( 17, 0x207c, 39, 18, 0 ),
|
|
V( 18, 0x17b9, 40, 19, 0 ),
|
|
V( 19, 0x1182, 42, 20, 0 ),
|
|
V( 20, 0x0cef, 43, 21, 0 ),
|
|
V( 21, 0x09a1, 45, 22, 0 ),
|
|
V( 22, 0x072f, 46, 23, 0 ),
|
|
V( 23, 0x055c, 48, 24, 0 ),
|
|
V( 24, 0x0406, 49, 25, 0 ),
|
|
V( 25, 0x0303, 51, 26, 0 ),
|
|
V( 26, 0x0240, 52, 27, 0 ),
|
|
V( 27, 0x01b1, 54, 28, 0 ),
|
|
V( 28, 0x0144, 56, 29, 0 ),
|
|
V( 29, 0x00f5, 57, 30, 0 ),
|
|
V( 30, 0x00b7, 59, 31, 0 ),
|
|
V( 31, 0x008a, 60, 32, 0 ),
|
|
V( 32, 0x0068, 62, 33, 0 ),
|
|
V( 33, 0x004e, 63, 34, 0 ),
|
|
V( 34, 0x003b, 32, 35, 0 ),
|
|
V( 35, 0x002c, 33, 9, 0 ),
|
|
V( 36, 0x5ae1, 37, 37, 1 ),
|
|
V( 37, 0x484c, 64, 38, 0 ),
|
|
V( 38, 0x3a0d, 65, 39, 0 ),
|
|
V( 39, 0x2ef1, 67, 40, 0 ),
|
|
V( 40, 0x261f, 68, 41, 0 ),
|
|
V( 41, 0x1f33, 69, 42, 0 ),
|
|
V( 42, 0x19a8, 70, 43, 0 ),
|
|
V( 43, 0x1518, 72, 44, 0 ),
|
|
V( 44, 0x1177, 73, 45, 0 ),
|
|
V( 45, 0x0e74, 74, 46, 0 ),
|
|
V( 46, 0x0bfb, 75, 47, 0 ),
|
|
V( 47, 0x09f8, 77, 48, 0 ),
|
|
V( 48, 0x0861, 78, 49, 0 ),
|
|
V( 49, 0x0706, 79, 50, 0 ),
|
|
V( 50, 0x05cd, 48, 51, 0 ),
|
|
V( 51, 0x04de, 50, 52, 0 ),
|
|
V( 52, 0x040f, 50, 53, 0 ),
|
|
V( 53, 0x0363, 51, 54, 0 ),
|
|
V( 54, 0x02d4, 52, 55, 0 ),
|
|
V( 55, 0x025c, 53, 56, 0 ),
|
|
V( 56, 0x01f8, 54, 57, 0 ),
|
|
V( 57, 0x01a4, 55, 58, 0 ),
|
|
V( 58, 0x0160, 56, 59, 0 ),
|
|
V( 59, 0x0125, 57, 60, 0 ),
|
|
V( 60, 0x00f6, 58, 61, 0 ),
|
|
V( 61, 0x00cb, 59, 62, 0 ),
|
|
V( 62, 0x00ab, 61, 63, 0 ),
|
|
V( 63, 0x008f, 61, 32, 0 ),
|
|
V( 64, 0x5b12, 65, 65, 1 ),
|
|
V( 65, 0x4d04, 80, 66, 0 ),
|
|
V( 66, 0x412c, 81, 67, 0 ),
|
|
V( 67, 0x37d8, 82, 68, 0 ),
|
|
V( 68, 0x2fe8, 83, 69, 0 ),
|
|
V( 69, 0x293c, 84, 70, 0 ),
|
|
V( 70, 0x2379, 86, 71, 0 ),
|
|
V( 71, 0x1edf, 87, 72, 0 ),
|
|
V( 72, 0x1aa9, 87, 73, 0 ),
|
|
V( 73, 0x174e, 72, 74, 0 ),
|
|
V( 74, 0x1424, 72, 75, 0 ),
|
|
V( 75, 0x119c, 74, 76, 0 ),
|
|
V( 76, 0x0f6b, 74, 77, 0 ),
|
|
V( 77, 0x0d51, 75, 78, 0 ),
|
|
V( 78, 0x0bb6, 77, 79, 0 ),
|
|
V( 79, 0x0a40, 77, 48, 0 ),
|
|
V( 80, 0x5832, 80, 81, 1 ),
|
|
V( 81, 0x4d1c, 88, 82, 0 ),
|
|
V( 82, 0x438e, 89, 83, 0 ),
|
|
V( 83, 0x3bdd, 90, 84, 0 ),
|
|
V( 84, 0x34ee, 91, 85, 0 ),
|
|
V( 85, 0x2eae, 92, 86, 0 ),
|
|
V( 86, 0x299a, 93, 87, 0 ),
|
|
V( 87, 0x2516, 86, 71, 0 ),
|
|
V( 88, 0x5570, 88, 89, 1 ),
|
|
V( 89, 0x4ca9, 95, 90, 0 ),
|
|
V( 90, 0x44d9, 96, 91, 0 ),
|
|
V( 91, 0x3e22, 97, 92, 0 ),
|
|
V( 92, 0x3824, 99, 93, 0 ),
|
|
V( 93, 0x32b4, 99, 94, 0 ),
|
|
V( 94, 0x2e17, 93, 86, 0 ),
|
|
V( 95, 0x56a8, 95, 96, 1 ),
|
|
V( 96, 0x4f46, 101, 97, 0 ),
|
|
V( 97, 0x47e5, 102, 98, 0 ),
|
|
V( 98, 0x41cf, 103, 99, 0 ),
|
|
V( 99, 0x3c3d, 104, 100, 0 ),
|
|
V( 100, 0x375e, 99, 93, 0 ),
|
|
V( 101, 0x5231, 105, 102, 0 ),
|
|
V( 102, 0x4c0f, 106, 103, 0 ),
|
|
V( 103, 0x4639, 107, 104, 0 ),
|
|
V( 104, 0x415e, 103, 99, 0 ),
|
|
V( 105, 0x5627, 105, 106, 1 ),
|
|
V( 106, 0x50e7, 108, 107, 0 ),
|
|
V( 107, 0x4b85, 109, 103, 0 ),
|
|
V( 108, 0x5597, 110, 109, 0 ),
|
|
V( 109, 0x504f, 111, 107, 0 ),
|
|
V( 110, 0x5a10, 110, 111, 1 ),
|
|
V( 111, 0x5522, 112, 109, 0 ),
|
|
V( 112, 0x59eb, 112, 111, 1 ),
|
|
/*
|
|
* This last entry is used for fixed probability estimate of 0.5
|
|
* as suggested in Section 10.3 Table 5 of ITU-T Rec. T.851.
|
|
*/
|
|
V( 113, 0x5a1d, 113, 113, 0 )
|
|
};
|