e184ef1027
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21695 a1c6a512-1295-4272-9138-f99709370657
429 lines
25 KiB
C
429 lines
25 KiB
C
/*
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* COOK compatible decoder fixed point data types and constants
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* Copyright (c) 2007 Ian Braithwaite
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/**
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* @file cookdata_fixpoint.h
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* Cook AKA RealAudio G2 compatible decoder
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* fixed point data types and constants
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*/
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#include <inttypes.h>
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typedef int32_t FIXP; /* Fixed point variable type */
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typedef uint16_t FIXPU; /* Fixed point fraction 0<=x<1 */
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typedef FIXP REAL_T;
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/* No additional variables in COOKContext
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* for fixed point routines
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*/
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typedef struct {
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} realvars_t;
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#ifdef TEST
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#define cPI1_8 0xec83 /* 1pi/8 2^16 */
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#define cPI2_8 0xb505 /* 2pi/8 2^16 */
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#define cPI3_8 0x61f8 /* 3pi/8 2^16 */
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#endif
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static const FIXPU sincos_lookup[2050] = {
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/* x_i = 2^16 sin(i 2pi/8192), 2^16 cos(i 2pi/8192); i=0..1024 */
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0x0000, 0xffff, 0x0032, 0xffff, 0x0065, 0xffff, 0x0097, 0xffff,
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0x00c9, 0xffff, 0x00fb, 0xffff, 0x012e, 0xffff, 0x0160, 0xffff,
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0x0192, 0xffff, 0x01c4, 0xfffe, 0x01f7, 0xfffe, 0x0229, 0xfffe,
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0x025b, 0xfffd, 0x028d, 0xfffd, 0x02c0, 0xfffc, 0x02f2, 0xfffc,
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0x0324, 0xfffb, 0x0356, 0xfffa, 0x0389, 0xfffa, 0x03bb, 0xfff9,
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0x03ed, 0xfff8, 0x0420, 0xfff7, 0x0452, 0xfff7, 0x0484, 0xfff6,
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0x04b6, 0xfff5, 0x04e9, 0xfff4, 0x051b, 0xfff3, 0x054d, 0xfff2,
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0x057f, 0xfff1, 0x05b2, 0xfff0, 0x05e4, 0xffef, 0x0616, 0xffed,
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0x0648, 0xffec, 0x067b, 0xffeb, 0x06ad, 0xffea, 0x06df, 0xffe8,
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0x0711, 0xffe7, 0x0744, 0xffe6, 0x0776, 0xffe4, 0x07a8, 0xffe3,
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0x07da, 0xffe1, 0x080d, 0xffe0, 0x083f, 0xffde, 0x0871, 0xffdc,
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0x08a3, 0xffdb, 0x08d5, 0xffd9, 0x0908, 0xffd7, 0x093a, 0xffd5,
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0x096c, 0xffd4, 0x099e, 0xffd2, 0x09d1, 0xffd0, 0x0a03, 0xffce,
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0x0a35, 0xffcc, 0x0a67, 0xffca, 0x0a9a, 0xffc8, 0x0acc, 0xffc6,
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0x0afe, 0xffc4, 0x0b30, 0xffc1, 0x0b62, 0xffbf, 0x0b95, 0xffbd,
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0x0bc7, 0xffbb, 0x0bf9, 0xffb8, 0x0c2b, 0xffb6, 0x0c5d, 0xffb4,
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0x0c90, 0xffb1, 0x0cc2, 0xffaf, 0x0cf4, 0xffac, 0x0d26, 0xffa9,
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0x0d59, 0xffa7, 0x0d8b, 0xffa4, 0x0dbd, 0xffa2, 0x0def, 0xff9f,
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0x0e21, 0xff9c, 0x0e53, 0xff99, 0x0e86, 0xff96, 0x0eb8, 0xff94,
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0x0eea, 0xff91, 0x0f1c, 0xff8e, 0x0f4e, 0xff8b, 0x0f81, 0xff88,
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0x0fb3, 0xff85, 0x0fe5, 0xff82, 0x1017, 0xff7e, 0x1049, 0xff7b,
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0x107b, 0xff78, 0x10ae, 0xff75, 0x10e0, 0xff71, 0x1112, 0xff6e,
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0x1144, 0xff6b, 0x1176, 0xff67, 0x11a8, 0xff64, 0x11da, 0xff60,
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0x120d, 0xff5d, 0x123f, 0xff59, 0x1271, 0xff56, 0x12a3, 0xff52,
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0x12d5, 0xff4e, 0x1307, 0xff4b, 0x1339, 0xff47, 0x136c, 0xff43,
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0x139e, 0xff3f, 0x13d0, 0xff3b, 0x1402, 0xff38, 0x1434, 0xff34,
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0x1466, 0xff30, 0x1498, 0xff2c, 0x14ca, 0xff28, 0x14fc, 0xff23,
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0x152e, 0xff1f, 0x1561, 0xff1b, 0x1593, 0xff17, 0x15c5, 0xff13,
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0x15f7, 0xff0e, 0x1629, 0xff0a, 0x165b, 0xff06, 0x168d, 0xff01,
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0x16bf, 0xfefd, 0x16f1, 0xfef8, 0x1723, 0xfef4, 0x1755, 0xfeef,
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0x1787, 0xfeeb, 0x17b9, 0xfee6, 0x17eb, 0xfee1, 0x181d, 0xfedd,
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0x1850, 0xfed8, 0x1882, 0xfed3, 0x18b4, 0xfece, 0x18e6, 0xfec9,
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0x1918, 0xfec4, 0x194a, 0xfebf, 0x197c, 0xfeba, 0x19ae, 0xfeb5,
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0x19e0, 0xfeb0, 0x1a12, 0xfeab, 0x1a44, 0xfea6, 0x1a76, 0xfea1,
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0x1aa8, 0xfe9c, 0x1ada, 0xfe97, 0x1b0c, 0xfe91, 0x1b3e, 0xfe8c,
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0x1b70, 0xfe87, 0x1ba2, 0xfe81, 0x1bd4, 0xfe7c, 0x1c06, 0xfe76,
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0x1c38, 0xfe71, 0x1c69, 0xfe6b, 0x1c9b, 0xfe66, 0x1ccd, 0xfe60,
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0x1cff, 0xfe5a, 0x1d31, 0xfe55, 0x1d63, 0xfe4f, 0x1d95, 0xfe49,
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0x1dc7, 0xfe43, 0x1df9, 0xfe3d, 0x1e2b, 0xfe37, 0x1e5d, 0xfe31,
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0x1e8f, 0xfe2b, 0x1ec1, 0xfe25, 0x1ef3, 0xfe1f, 0x1f24, 0xfe19,
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0x1f56, 0xfe13, 0x1f88, 0xfe0d, 0x1fba, 0xfe07, 0x1fec, 0xfe01,
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0x201e, 0xfdfa, 0x2050, 0xfdf4, 0x2082, 0xfdee, 0x20b3, 0xfde7,
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0x20e5, 0xfde1, 0x2117, 0xfdda, 0x2149, 0xfdd4, 0x217b, 0xfdcd,
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0x21ad, 0xfdc7, 0x21de, 0xfdc0, 0x2210, 0xfdb9, 0x2242, 0xfdb3,
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0x2274, 0xfdac, 0x22a6, 0xfda5, 0x22d7, 0xfd9e, 0x2309, 0xfd97,
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0x233b, 0xfd90, 0x236d, 0xfd89, 0x239f, 0xfd83, 0x23d0, 0xfd7c,
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0x2402, 0xfd74, 0x2434, 0xfd6d, 0x2466, 0xfd66, 0x2497, 0xfd5f,
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0x24c9, 0xfd58, 0x24fb, 0xfd51, 0x252d, 0xfd49, 0x255e, 0xfd42,
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0x2590, 0xfd3b, 0x25c2, 0xfd33, 0x25f4, 0xfd2c, 0x2625, 0xfd24,
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0x2657, 0xfd1d, 0x2689, 0xfd15, 0x26ba, 0xfd0e, 0x26ec, 0xfd06,
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0x271e, 0xfcfe, 0x274f, 0xfcf7, 0x2781, 0xfcef, 0x27b3, 0xfce7,
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0x27e4, 0xfcdf, 0x2816, 0xfcd8, 0x2848, 0xfcd0, 0x2879, 0xfcc8,
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0x28ab, 0xfcc0, 0x28dd, 0xfcb8, 0x290e, 0xfcb0, 0x2940, 0xfca8,
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0x2971, 0xfca0, 0x29a3, 0xfc97, 0x29d5, 0xfc8f, 0x2a06, 0xfc87,
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0x2a38, 0xfc7f, 0x2a69, 0xfc76, 0x2a9b, 0xfc6e, 0x2acc, 0xfc66,
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0x2afe, 0xfc5d, 0x2b30, 0xfc55, 0x2b61, 0xfc4c, 0x2b93, 0xfc44,
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0x2bc4, 0xfc3b, 0x2bf6, 0xfc33, 0x2c27, 0xfc2a, 0x2c59, 0xfc21,
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0x2c8a, 0xfc18, 0x2cbc, 0xfc10, 0x2ced, 0xfc07, 0x2d1f, 0xfbfe,
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0x2d50, 0xfbf5, 0x2d82, 0xfbec, 0x2db3, 0xfbe3, 0x2de5, 0xfbda,
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0x2e16, 0xfbd1, 0x2e47, 0xfbc8, 0x2e79, 0xfbbf, 0x2eaa, 0xfbb6,
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0x2edc, 0xfbad, 0x2f0d, 0xfba4, 0x2f3f, 0xfb9a, 0x2f70, 0xfb91,
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0x2fa1, 0xfb88, 0x2fd3, 0xfb7e, 0x3004, 0xfb75, 0x3035, 0xfb6b,
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0x3067, 0xfb62, 0x3098, 0xfb58, 0x30ca, 0xfb4f, 0x30fb, 0xfb45,
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0x312c, 0xfb3c, 0x315e, 0xfb32, 0x318f, 0xfb28, 0x31c0, 0xfb1f,
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0x31f1, 0xfb15, 0x3223, 0xfb0b, 0x3254, 0xfb01, 0x3285, 0xfaf7,
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0x32b7, 0xfaed, 0x32e8, 0xfae3, 0x3319, 0xfad9, 0x334a, 0xfacf,
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0x337c, 0xfac5, 0x33ad, 0xfabb, 0x33de, 0xfab1, 0x340f, 0xfaa7,
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0x3440, 0xfa9c, 0x3472, 0xfa92, 0x34a3, 0xfa88, 0x34d4, 0xfa7d,
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0x3505, 0xfa73, 0x3536, 0xfa69, 0x3568, 0xfa5e, 0x3599, 0xfa54,
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0x35ca, 0xfa49, 0x35fb, 0xfa3e, 0x362c, 0xfa34, 0x365d, 0xfa29,
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0x368e, 0xfa1f, 0x36c0, 0xfa14, 0x36f1, 0xfa09, 0x3722, 0xf9fe,
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0x3753, 0xf9f3, 0x3784, 0xf9e8, 0x37b5, 0xf9de, 0x37e6, 0xf9d3,
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0x3817, 0xf9c8, 0x3848, 0xf9bd, 0x3879, 0xf9b2, 0x38aa, 0xf9a6,
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0x38db, 0xf99b, 0x390c, 0xf990, 0x393d, 0xf985, 0x396e, 0xf97a,
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0x399f, 0xf96e, 0x39d0, 0xf963, 0x3a01, 0xf958, 0x3a32, 0xf94c,
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0x3a63, 0xf941, 0x3a94, 0xf935, 0x3ac5, 0xf92a, 0x3af6, 0xf91e,
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0x3b27, 0xf913, 0x3b58, 0xf907, 0x3b88, 0xf8fb, 0x3bb9, 0xf8f0,
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0x3bea, 0xf8e4, 0x3c1b, 0xf8d8, 0x3c4c, 0xf8cc, 0x3c7d, 0xf8c0,
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0x3cae, 0xf8b4, 0x3cde, 0xf8a9, 0x3d0f, 0xf89d, 0x3d40, 0xf891,
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0x3d71, 0xf885, 0x3da2, 0xf878, 0x3dd2, 0xf86c, 0x3e03, 0xf860,
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0x3e34, 0xf854, 0x3e65, 0xf848, 0x3e95, 0xf83b, 0x3ec6, 0xf82f,
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0x3ef7, 0xf823, 0x3f28, 0xf816, 0x3f58, 0xf80a, 0x3f89, 0xf7fe,
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0x3fba, 0xf7f1, 0x3fea, 0xf7e5, 0x401b, 0xf7d8, 0x404c, 0xf7cb,
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0x407c, 0xf7bf, 0x40ad, 0xf7b2, 0x40de, 0xf7a5, 0x410e, 0xf799,
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0x413f, 0xf78c, 0x416f, 0xf77f, 0x41a0, 0xf772, 0x41d1, 0xf765,
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0x4201, 0xf758, 0x4232, 0xf74b, 0x4262, 0xf73e, 0x4293, 0xf731,
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0x42c3, 0xf724, 0x42f4, 0xf717, 0x4324, 0xf70a, 0x4355, 0xf6fd,
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0x4385, 0xf6ef, 0x43b6, 0xf6e2, 0x43e6, 0xf6d5, 0x4417, 0xf6c7,
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0x4447, 0xf6ba, 0x4478, 0xf6ad, 0x44a8, 0xf69f, 0x44d9, 0xf692,
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0x4509, 0xf684, 0x4539, 0xf677, 0x456a, 0xf669, 0x459a, 0xf65b,
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0x45cb, 0xf64e, 0x45fb, 0xf640, 0x462b, 0xf632, 0x465c, 0xf624,
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0x468c, 0xf616, 0x46bc, 0xf609, 0x46ec, 0xf5fb, 0x471d, 0xf5ed,
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0x474d, 0xf5df, 0x477d, 0xf5d1, 0x47ae, 0xf5c3, 0x47de, 0xf5b5,
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0x480e, 0xf5a6, 0x483e, 0xf598, 0x486f, 0xf58a, 0x489f, 0xf57c,
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0x48cf, 0xf56e, 0x48ff, 0xf55f, 0x492f, 0xf551, 0x495f, 0xf543,
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0x4990, 0xf534, 0x49c0, 0xf526, 0x49f0, 0xf517, 0x4a20, 0xf509,
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0x4a50, 0xf4fa, 0x4a80, 0xf4eb, 0x4ab0, 0xf4dd, 0x4ae0, 0xf4ce,
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0x4b10, 0xf4bf, 0x4b40, 0xf4b1, 0x4b71, 0xf4a2, 0x4ba1, 0xf493,
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0x4bd1, 0xf484, 0x4c01, 0xf475, 0x4c31, 0xf466, 0x4c61, 0xf457,
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0x4c90, 0xf448, 0x4cc0, 0xf439, 0x4cf0, 0xf42a, 0x4d20, 0xf41b,
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0x4d50, 0xf40c, 0x4d80, 0xf3fd, 0x4db0, 0xf3ed, 0x4de0, 0xf3de,
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0x4e10, 0xf3cf, 0x4e40, 0xf3c0, 0x4e70, 0xf3b0, 0x4e9f, 0xf3a1,
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0x4ecf, 0xf391, 0x4eff, 0xf382, 0x4f2f, 0xf372, 0x4f5f, 0xf363,
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0x4f8e, 0xf353, 0x4fbe, 0xf343, 0x4fee, 0xf334, 0x501e, 0xf324,
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0x504d, 0xf314, 0x507d, 0xf304, 0x50ad, 0xf2f5, 0x50dd, 0xf2e5,
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0x510c, 0xf2d5, 0x513c, 0xf2c5, 0x516c, 0xf2b5, 0x519b, 0xf2a5,
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0x51cb, 0xf295, 0x51fb, 0xf285, 0x522a, 0xf275, 0x525a, 0xf265,
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0x5289, 0xf254, 0x52b9, 0xf244, 0x52e8, 0xf234, 0x5318, 0xf224,
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0x5348, 0xf213, 0x5377, 0xf203, 0x53a7, 0xf1f3, 0x53d6, 0xf1e2,
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0x5406, 0xf1d2, 0x5435, 0xf1c1, 0x5464, 0xf1b1, 0x5494, 0xf1a0,
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0x54c3, 0xf18f, 0x54f3, 0xf17f, 0x5522, 0xf16e, 0x5552, 0xf15d,
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0x5581, 0xf14c, 0x55b0, 0xf13c, 0x55e0, 0xf12b, 0x560f, 0xf11a,
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0x563e, 0xf109, 0x566e, 0xf0f8, 0x569d, 0xf0e7, 0x56cc, 0xf0d6,
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0x56fc, 0xf0c5, 0x572b, 0xf0b4, 0x575a, 0xf0a3, 0x5789, 0xf092,
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0x57b9, 0xf080, 0x57e8, 0xf06f, 0x5817, 0xf05e, 0x5846, 0xf04d,
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0x5875, 0xf03b, 0x58a5, 0xf02a, 0x58d4, 0xf018, 0x5903, 0xf007,
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0x5932, 0xeff5, 0x5961, 0xefe4, 0x5990, 0xefd2, 0x59bf, 0xefc1,
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0x59ee, 0xefaf, 0x5a1d, 0xef9d, 0x5a4c, 0xef8c, 0x5a7b, 0xef7a,
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0x5aaa, 0xef68, 0x5ad9, 0xef56, 0x5b08, 0xef45, 0x5b37, 0xef33,
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0x5b66, 0xef21, 0x5b95, 0xef0f, 0x5bc4, 0xeefd, 0x5bf3, 0xeeeb,
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0x5c22, 0xeed9, 0x5c51, 0xeec7, 0x5c80, 0xeeb4, 0x5caf, 0xeea2,
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0x5cde, 0xee90, 0x5d0c, 0xee7e, 0x5d3b, 0xee6b, 0x5d6a, 0xee59,
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0x5d99, 0xee47, 0x5dc8, 0xee34, 0x5df6, 0xee22, 0x5e25, 0xee0f,
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0x5e54, 0xedfd, 0x5e83, 0xedea, 0x5eb1, 0xedd8, 0x5ee0, 0xedc5,
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0x5f0f, 0xedb3, 0x5f3d, 0xeda0, 0x5f6c, 0xed8d, 0x5f9b, 0xed7a,
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0x5fc9, 0xed68, 0x5ff8, 0xed55, 0x6026, 0xed42, 0x6055, 0xed2f,
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0x6084, 0xed1c, 0x60b2, 0xed09, 0x60e1, 0xecf6, 0x610f, 0xece3,
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0x613e, 0xecd0, 0x616c, 0xecbd, 0x619b, 0xecaa, 0x61c9, 0xec97,
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0x61f8, 0xec83, 0x6226, 0xec70, 0x6254, 0xec5d, 0x6283, 0xec4a,
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0x62b1, 0xec36, 0x62e0, 0xec23, 0x630e, 0xec0f, 0x633c, 0xebfc,
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0x636b, 0xebe8, 0x6399, 0xebd5, 0x63c7, 0xebc1, 0x63f5, 0xebae,
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0x6424, 0xeb9a, 0x6452, 0xeb86, 0x6480, 0xeb73, 0x64ae, 0xeb5f,
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0x64dd, 0xeb4b, 0x650b, 0xeb37, 0x6539, 0xeb23, 0x6567, 0xeb0f,
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0x6595, 0xeafc, 0x65c3, 0xeae8, 0x65f2, 0xead4, 0x6620, 0xeac0,
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0x664e, 0xeaab, 0x667c, 0xea97, 0x66aa, 0xea83, 0x66d8, 0xea6f,
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0x6706, 0xea5b, 0x6734, 0xea47, 0x6762, 0xea32, 0x6790, 0xea1e,
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0x67be, 0xea0a, 0x67ec, 0xe9f5, 0x681a, 0xe9e1, 0x6848, 0xe9cc,
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0x6876, 0xe9b8, 0x68a3, 0xe9a3, 0x68d1, 0xe98f, 0x68ff, 0xe97a,
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0x692d, 0xe966, 0x695b, 0xe951, 0x6989, 0xe93c, 0x69b6, 0xe927,
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0x69e4, 0xe913, 0x6a12, 0xe8fe, 0x6a40, 0xe8e9, 0x6a6d, 0xe8d4,
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0x6a9b, 0xe8bf, 0x6ac9, 0xe8aa, 0x6af6, 0xe895, 0x6b24, 0xe880,
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0x6b52, 0xe86b, 0x6b7f, 0xe856, 0x6bad, 0xe841, 0x6bdb, 0xe82c,
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0x6c08, 0xe817, 0x6c36, 0xe801, 0x6c63, 0xe7ec, 0x6c91, 0xe7d7,
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0x6cbe, 0xe7c2, 0x6cec, 0xe7ac, 0x6d19, 0xe797, 0x6d47, 0xe781,
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0x6d74, 0xe76c, 0x6da2, 0xe756, 0x6dcf, 0xe741, 0x6dfc, 0xe72b,
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0x6e2a, 0xe716, 0x6e57, 0xe700, 0x6e85, 0xe6ea, 0x6eb2, 0xe6d5,
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0x6edf, 0xe6bf, 0x6f0d, 0xe6a9, 0x6f3a, 0xe693, 0x6f67, 0xe67d,
|
|
0x6f94, 0xe667, 0x6fc2, 0xe652, 0x6fef, 0xe63c, 0x701c, 0xe626,
|
|
0x7049, 0xe610, 0x7076, 0xe5f9, 0x70a3, 0xe5e3, 0x70d1, 0xe5cd,
|
|
0x70fe, 0xe5b7, 0x712b, 0xe5a1, 0x7158, 0xe58b, 0x7185, 0xe574,
|
|
0x71b2, 0xe55e, 0x71df, 0xe548, 0x720c, 0xe531, 0x7239, 0xe51b,
|
|
0x7266, 0xe504, 0x7293, 0xe4ee, 0x72c0, 0xe4d7, 0x72ed, 0xe4c1,
|
|
0x731a, 0xe4aa, 0x7347, 0xe494, 0x7373, 0xe47d, 0x73a0, 0xe466,
|
|
0x73cd, 0xe450, 0x73fa, 0xe439, 0x7427, 0xe422, 0x7454, 0xe40b,
|
|
0x7480, 0xe3f4, 0x74ad, 0xe3de, 0x74da, 0xe3c7, 0x7507, 0xe3b0,
|
|
0x7533, 0xe399, 0x7560, 0xe382, 0x758d, 0xe36b, 0x75b9, 0xe353,
|
|
0x75e6, 0xe33c, 0x7612, 0xe325, 0x763f, 0xe30e, 0x766c, 0xe2f7,
|
|
0x7698, 0xe2df, 0x76c5, 0xe2c8, 0x76f1, 0xe2b1, 0x771e, 0xe299,
|
|
0x774a, 0xe282, 0x7777, 0xe26b, 0x77a3, 0xe253, 0x77d0, 0xe23c,
|
|
0x77fc, 0xe224, 0x7828, 0xe20d, 0x7855, 0xe1f5, 0x7881, 0xe1dd,
|
|
0x78ad, 0xe1c6, 0x78da, 0xe1ae, 0x7906, 0xe196, 0x7932, 0xe17e,
|
|
0x795f, 0xe167, 0x798b, 0xe14f, 0x79b7, 0xe137, 0x79e3, 0xe11f,
|
|
0x7a10, 0xe107, 0x7a3c, 0xe0ef, 0x7a68, 0xe0d7, 0x7a94, 0xe0bf,
|
|
0x7ac0, 0xe0a7, 0x7aec, 0xe08f, 0x7b18, 0xe077, 0x7b44, 0xe05e,
|
|
0x7b70, 0xe046, 0x7b9c, 0xe02e, 0x7bc8, 0xe016, 0x7bf4, 0xdffd,
|
|
0x7c20, 0xdfe5, 0x7c4c, 0xdfcd, 0x7c78, 0xdfb4, 0x7ca4, 0xdf9c,
|
|
0x7cd0, 0xdf83, 0x7cfc, 0xdf6b, 0x7d28, 0xdf52, 0x7d54, 0xdf39,
|
|
0x7d7f, 0xdf21, 0x7dab, 0xdf08, 0x7dd7, 0xdef0, 0x7e03, 0xded7,
|
|
0x7e2f, 0xdebe, 0x7e5a, 0xdea5, 0x7e86, 0xde8c, 0x7eb2, 0xde74,
|
|
0x7edd, 0xde5b, 0x7f09, 0xde42, 0x7f35, 0xde29, 0x7f60, 0xde10,
|
|
0x7f8c, 0xddf7, 0x7fb7, 0xddde, 0x7fe3, 0xddc5, 0x800f, 0xddab,
|
|
0x803a, 0xdd92, 0x8066, 0xdd79, 0x8091, 0xdd60, 0x80bc, 0xdd47,
|
|
0x80e8, 0xdd2d, 0x8113, 0xdd14, 0x813f, 0xdcfb, 0x816a, 0xdce1,
|
|
0x8195, 0xdcc8, 0x81c1, 0xdcae, 0x81ec, 0xdc95, 0x8217, 0xdc7b,
|
|
0x8243, 0xdc62, 0x826e, 0xdc48, 0x8299, 0xdc2f, 0x82c4, 0xdc15,
|
|
0x82f0, 0xdbfb, 0x831b, 0xdbe1, 0x8346, 0xdbc8, 0x8371, 0xdbae,
|
|
0x839c, 0xdb94, 0x83c7, 0xdb7a, 0x83f2, 0xdb60, 0x841d, 0xdb46,
|
|
0x8449, 0xdb2c, 0x8474, 0xdb12, 0x849f, 0xdaf8, 0x84ca, 0xdade,
|
|
0x84f5, 0xdac4, 0x851f, 0xdaaa, 0x854a, 0xda90, 0x8575, 0xda76,
|
|
0x85a0, 0xda5c, 0x85cb, 0xda41, 0x85f6, 0xda27, 0x8621, 0xda0d,
|
|
0x864c, 0xd9f2, 0x8676, 0xd9d8, 0x86a1, 0xd9be, 0x86cc, 0xd9a3,
|
|
0x86f7, 0xd989, 0x8721, 0xd96e, 0x874c, 0xd954, 0x8777, 0xd939,
|
|
0x87a1, 0xd91e, 0x87cc, 0xd904, 0x87f6, 0xd8e9, 0x8821, 0xd8ce,
|
|
0x884c, 0xd8b4, 0x8876, 0xd899, 0x88a1, 0xd87e, 0x88cb, 0xd863,
|
|
0x88f6, 0xd848, 0x8920, 0xd82d, 0x894a, 0xd812, 0x8975, 0xd7f8,
|
|
0x899f, 0xd7dc, 0x89ca, 0xd7c1, 0x89f4, 0xd7a6, 0x8a1e, 0xd78b,
|
|
0x8a49, 0xd770, 0x8a73, 0xd755, 0x8a9d, 0xd73a, 0x8ac7, 0xd71f,
|
|
0x8af2, 0xd703, 0x8b1c, 0xd6e8, 0x8b46, 0xd6cd, 0x8b70, 0xd6b1,
|
|
0x8b9a, 0xd696, 0x8bc5, 0xd67a, 0x8bef, 0xd65f, 0x8c19, 0xd644,
|
|
0x8c43, 0xd628, 0x8c6d, 0xd60c, 0x8c97, 0xd5f1, 0x8cc1, 0xd5d5,
|
|
0x8ceb, 0xd5ba, 0x8d15, 0xd59e, 0x8d3f, 0xd582, 0x8d69, 0xd566,
|
|
0x8d93, 0xd54b, 0x8dbc, 0xd52f, 0x8de6, 0xd513, 0x8e10, 0xd4f7,
|
|
0x8e3a, 0xd4db, 0x8e64, 0xd4bf, 0x8e8d, 0xd4a3, 0x8eb7, 0xd487,
|
|
0x8ee1, 0xd46b, 0x8f0b, 0xd44f, 0x8f34, 0xd433, 0x8f5e, 0xd417,
|
|
0x8f88, 0xd3fb, 0x8fb1, 0xd3df, 0x8fdb, 0xd3c2, 0x9004, 0xd3a6,
|
|
0x902e, 0xd38a, 0x9057, 0xd36d, 0x9081, 0xd351, 0x90aa, 0xd335,
|
|
0x90d4, 0xd318, 0x90fd, 0xd2fc, 0x9127, 0xd2df, 0x9150, 0xd2c3,
|
|
0x9179, 0xd2a6, 0x91a3, 0xd28a, 0x91cc, 0xd26d, 0x91f5, 0xd250,
|
|
0x921f, 0xd234, 0x9248, 0xd217, 0x9271, 0xd1fa, 0x929a, 0xd1de,
|
|
0x92c4, 0xd1c1, 0x92ed, 0xd1a4, 0x9316, 0xd187, 0x933f, 0xd16a,
|
|
0x9368, 0xd14d, 0x9391, 0xd130, 0x93ba, 0xd113, 0x93e3, 0xd0f6,
|
|
0x940c, 0xd0d9, 0x9435, 0xd0bc, 0x945e, 0xd09f, 0x9487, 0xd082,
|
|
0x94b0, 0xd065, 0x94d9, 0xd047, 0x9502, 0xd02a, 0x952b, 0xd00d,
|
|
0x9554, 0xcff0, 0x957d, 0xcfd2, 0x95a5, 0xcfb5, 0x95ce, 0xcf98,
|
|
0x95f7, 0xcf7a, 0x9620, 0xcf5d, 0x9648, 0xcf3f, 0x9671, 0xcf22,
|
|
0x969a, 0xcf04, 0x96c2, 0xcee7, 0x96eb, 0xcec9, 0x9713, 0xceab,
|
|
0x973c, 0xce8e, 0x9765, 0xce70, 0x978d, 0xce52, 0x97b6, 0xce34,
|
|
0x97de, 0xce17, 0x9807, 0xcdf9, 0x982f, 0xcddb, 0x9857, 0xcdbd,
|
|
0x9880, 0xcd9f, 0x98a8, 0xcd81, 0x98d0, 0xcd63, 0x98f9, 0xcd45,
|
|
0x9921, 0xcd27, 0x9949, 0xcd09, 0x9972, 0xcceb, 0x999a, 0xcccd,
|
|
0x99c2, 0xccae, 0x99ea, 0xcc90, 0x9a12, 0xcc72, 0x9a3a, 0xcc54,
|
|
0x9a63, 0xcc35, 0x9a8b, 0xcc17, 0x9ab3, 0xcbf9, 0x9adb, 0xcbda,
|
|
0x9b03, 0xcbbc, 0x9b2b, 0xcb9e, 0x9b53, 0xcb7f, 0x9b7b, 0xcb61,
|
|
0x9ba3, 0xcb42, 0x9bca, 0xcb23, 0x9bf2, 0xcb05, 0x9c1a, 0xcae6,
|
|
0x9c42, 0xcac7, 0x9c6a, 0xcaa9, 0x9c92, 0xca8a, 0x9cb9, 0xca6b,
|
|
0x9ce1, 0xca4d, 0x9d09, 0xca2e, 0x9d31, 0xca0f, 0x9d58, 0xc9f0,
|
|
0x9d80, 0xc9d1, 0x9da7, 0xc9b2, 0x9dcf, 0xc993, 0x9df7, 0xc974,
|
|
0x9e1e, 0xc955, 0x9e46, 0xc936, 0x9e6d, 0xc917, 0x9e95, 0xc8f8,
|
|
0x9ebc, 0xc8d9, 0x9ee3, 0xc8ba, 0x9f0b, 0xc89a, 0x9f32, 0xc87b,
|
|
0x9f5a, 0xc85c, 0x9f81, 0xc83c, 0x9fa8, 0xc81d, 0x9fd0, 0xc7fe,
|
|
0x9ff7, 0xc7de, 0xa01e, 0xc7bf, 0xa045, 0xc7a0, 0xa06c, 0xc780,
|
|
0xa094, 0xc761, 0xa0bb, 0xc741, 0xa0e2, 0xc721, 0xa109, 0xc702,
|
|
0xa130, 0xc6e2, 0xa157, 0xc6c2, 0xa17e, 0xc6a3, 0xa1a5, 0xc683,
|
|
0xa1cc, 0xc663, 0xa1f3, 0xc644, 0xa21a, 0xc624, 0xa241, 0xc604,
|
|
0xa268, 0xc5e4, 0xa28e, 0xc5c4, 0xa2b5, 0xc5a4, 0xa2dc, 0xc584,
|
|
0xa303, 0xc564, 0xa32a, 0xc544, 0xa350, 0xc524, 0xa377, 0xc504,
|
|
0xa39e, 0xc4e4, 0xa3c4, 0xc4c4, 0xa3eb, 0xc4a4, 0xa412, 0xc483,
|
|
0xa438, 0xc463, 0xa45f, 0xc443, 0xa485, 0xc423, 0xa4ac, 0xc402,
|
|
0xa4d2, 0xc3e2, 0xa4f9, 0xc3c2, 0xa51f, 0xc3a1, 0xa545, 0xc381,
|
|
0xa56c, 0xc360, 0xa592, 0xc340, 0xa5b8, 0xc31f, 0xa5df, 0xc2ff,
|
|
0xa605, 0xc2de, 0xa62b, 0xc2be, 0xa652, 0xc29d, 0xa678, 0xc27c,
|
|
0xa69e, 0xc25c, 0xa6c4, 0xc23b, 0xa6ea, 0xc21a, 0xa710, 0xc1f9,
|
|
0xa736, 0xc1d8, 0xa75c, 0xc1b8, 0xa782, 0xc197, 0xa7a8, 0xc176,
|
|
0xa7ce, 0xc155, 0xa7f4, 0xc134, 0xa81a, 0xc113, 0xa840, 0xc0f2,
|
|
0xa866, 0xc0d1, 0xa88c, 0xc0b0, 0xa8b2, 0xc08f, 0xa8d7, 0xc06e,
|
|
0xa8fd, 0xc04c, 0xa923, 0xc02b, 0xa949, 0xc00a, 0xa96e, 0xbfe9,
|
|
0xa994, 0xbfc7, 0xa9ba, 0xbfa6, 0xa9df, 0xbf85, 0xaa05, 0xbf63,
|
|
0xaa2a, 0xbf42, 0xaa50, 0xbf21, 0xaa76, 0xbeff, 0xaa9b, 0xbede,
|
|
0xaac1, 0xbebc, 0xaae6, 0xbe9b, 0xab0b, 0xbe79, 0xab31, 0xbe57,
|
|
0xab56, 0xbe36, 0xab7b, 0xbe14, 0xaba1, 0xbdf2, 0xabc6, 0xbdd1,
|
|
0xabeb, 0xbdaf, 0xac11, 0xbd8d, 0xac36, 0xbd6b, 0xac5b, 0xbd4a,
|
|
0xac80, 0xbd28, 0xaca5, 0xbd06, 0xacca, 0xbce4, 0xacef, 0xbcc2,
|
|
0xad14, 0xbca0, 0xad39, 0xbc7e, 0xad5e, 0xbc5c, 0xad83, 0xbc3a,
|
|
0xada8, 0xbc18, 0xadcd, 0xbbf6, 0xadf2, 0xbbd4, 0xae17, 0xbbb1,
|
|
0xae3c, 0xbb8f, 0xae61, 0xbb6d, 0xae85, 0xbb4b, 0xaeaa, 0xbb28,
|
|
0xaecf, 0xbb06, 0xaef4, 0xbae4, 0xaf18, 0xbac1, 0xaf3d, 0xba9f,
|
|
0xaf62, 0xba7d, 0xaf86, 0xba5a, 0xafab, 0xba38, 0xafcf, 0xba15,
|
|
0xaff4, 0xb9f3, 0xb018, 0xb9d0, 0xb03d, 0xb9ae, 0xb061, 0xb98b,
|
|
0xb086, 0xb968, 0xb0aa, 0xb946, 0xb0ce, 0xb923, 0xb0f3, 0xb900,
|
|
0xb117, 0xb8dd, 0xb13b, 0xb8bb, 0xb160, 0xb898, 0xb184, 0xb875,
|
|
0xb1a8, 0xb852, 0xb1cc, 0xb82f, 0xb1f0, 0xb80c, 0xb215, 0xb7e9,
|
|
0xb239, 0xb7c6, 0xb25d, 0xb7a3, 0xb281, 0xb780, 0xb2a5, 0xb75d,
|
|
0xb2c9, 0xb73a, 0xb2ed, 0xb717, 0xb311, 0xb6f4, 0xb335, 0xb6d1,
|
|
0xb358, 0xb6ad, 0xb37c, 0xb68a, 0xb3a0, 0xb667, 0xb3c4, 0xb644,
|
|
0xb3e8, 0xb620, 0xb40b, 0xb5fd, 0xb42f, 0xb5da, 0xb453, 0xb5b6,
|
|
0xb477, 0xb593, 0xb49a, 0xb56f, 0xb4be, 0xb54c, 0xb4e1, 0xb528,
|
|
0xb505, 0xb505
|
|
};
|
|
|
|
static const FIXPU pow128_tab[128] = {
|
|
/* x_i = 2^(15+i/128) */
|
|
0x8000, 0x80b2, 0x8165, 0x8219, 0x82ce, 0x8383, 0x843a, 0x84f2, 0x85ab,
|
|
0x8665, 0x871f, 0x87db, 0x8898, 0x8956, 0x8a15, 0x8ad5, 0x8b96, 0x8c58,
|
|
0x8d1b, 0x8ddf, 0x8ea4, 0x8f6b, 0x9032, 0x90fa, 0x91c4, 0x928e, 0x935a,
|
|
0x9427, 0x94f5, 0x95c4, 0x9694, 0x9765, 0x9838, 0x990c, 0x99e0, 0x9ab6,
|
|
0x9b8d, 0x9c65, 0x9d3f, 0x9e19, 0x9ef5, 0x9fd2, 0xa0b0, 0xa190, 0xa270,
|
|
0xa352, 0xa435, 0xa519, 0xa5ff, 0xa6e6, 0xa7ce, 0xa8b7, 0xa9a1, 0xaa8d,
|
|
0xab7a, 0xac69, 0xad58, 0xae49, 0xaf3b, 0xb02f, 0xb124, 0xb21a, 0xb312,
|
|
0xb40b, 0xb505, 0xb601, 0xb6fe, 0xb7fc, 0xb8fc, 0xb9fd, 0xbaff, 0xbc03,
|
|
0xbd09, 0xbe0f, 0xbf18, 0xc021, 0xc12c, 0xc239, 0xc347, 0xc456, 0xc567,
|
|
0xc67a, 0xc78d, 0xc8a3, 0xc9ba, 0xcad2, 0xcbec, 0xcd08, 0xce25, 0xcf43,
|
|
0xd063, 0xd185, 0xd2a8, 0xd3cd, 0xd4f3, 0xd61b, 0xd745, 0xd870, 0xd99d,
|
|
0xdacc, 0xdbfc, 0xdd2e, 0xde61, 0xdf96, 0xe0cd, 0xe205, 0xe340, 0xe47b,
|
|
0xe5b9, 0xe6f8, 0xe839, 0xe97c, 0xeac1, 0xec07, 0xed4f, 0xee99, 0xefe5,
|
|
0xf132, 0xf281, 0xf3d3, 0xf525, 0xf67a, 0xf7d1, 0xf929, 0xfa84, 0xfbe0,
|
|
0xfd3e, 0xfe9e
|
|
};
|
|
|
|
|
|
/* dither_table and quant_centroid_table.
|
|
* Index 1: [0] - scaled by 2^13, [1] - scaled by 2^13 / sqrt(2)
|
|
* Index 2: [0..7] - category
|
|
* Index 3: [0] - dither_table, [1..13] - quant_centroid_table
|
|
*/
|
|
static const FIXP quant_tables[2][8][14] = {{{
|
|
0x00000000, 0x0645a1cb, 0x0c2d0e56, 0x11eb851f, 0x17a1cac1, 0x1d4fdf3b,
|
|
0x22ed9168, 0x28a7ef9e, 0x2e49ba5e, 0x33eb851f, 0x39916873, 0x3f126e98,
|
|
0x449ba5e3, 0x4b958106
|
|
},{
|
|
0x00000000, 0x08b43958, 0x10f5c28f, 0x19020c4a, 0x2116872b, 0x2922d0e5,
|
|
0x3126e979, 0x38fdf3b6, 0x411eb852, 0x49eb851f, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x0bef9db2, 0x176c8b44, 0x22e147ae, 0x2e1cac08, 0x39581062,
|
|
0x450e5604, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x10189375, 0x20000000, 0x2fe353f8, 0x3fc28f5c, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x1522d0e5, 0x2b3f7cee, 0x3fba5e35, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x02d413cd, 0x1a83126f, 0x37db22d1, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x04000000, 0x1f6c8b44, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x0b504f33, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
}},{{
|
|
0x00000000, 0x046f5a70, 0x089c1768, 0x0cabddd3, 0x10b5d955, 0x14ba09ed,
|
|
0x18b2a4b4, 0x1cbf85aa, 0x20bb05e5, 0x24b68620, 0x28b4ebcf, 0x2c994066,
|
|
0x30835fe6, 0x35722a5e
|
|
},{
|
|
0x00000000, 0x062797a1, 0x0bfe1683, 0x11aeee7a, 0x1765915b, 0x1d166952,
|
|
0x22c17660, 0x284ca76c, 0x2e0bfaaa, 0x3444f306, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x0870a594, 0x1090326a, 0x18a9f456, 0x209b29e3, 0x288c5f70,
|
|
0x30d478a5, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x0b61afee, 0x16a09e66, 0x21dca76a, 0x2d15caf9, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x00000000, 0x0ef20652, 0x1e94b968, 0x2d100010, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x02000000, 0x12bf2f44, 0x277f041b, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x02d413cd, 0x16385a03, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000
|
|
},{
|
|
0x08000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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|
0x00000000, 0x00000000
|
|
}}};
|
|
|
|
static const FIXPU cplscale2[3] = {
|
|
/* 2^16 C_ij */
|
|
0xf3f9, 0xb505, 0x4d8b
|
|
};
|
|
static const FIXPU cplscale3[7] = {
|
|
/* 2^16 C_ij */
|
|
0xfb35, 0xefdf, 0xe03d, 0xb505, 0x7b81, 0x596e, 0x314d
|
|
};
|
|
static const FIXPU cplscale4[15] = {
|
|
/* 2^16 C_ij */
|
|
0xfdd2, 0xf927, 0xf3f9, 0xee1d, 0xe749, 0xdee9, 0xd381, 0xb505, 0x903b,
|
|
0x7de2, 0x6dbe, 0x5e02, 0x4d8b, 0x3ad1, 0x2155
|
|
};
|
|
static const FIXPU cplscale5[31] = {
|
|
/* 2^16 C_ij */
|
|
0xfef5, 0xfcce, 0xfa8e, 0xf832, 0xf5b5, 0xf314, 0xf049, 0xed4c, 0xea12,
|
|
0xe68e, 0xe2ab, 0xde4b, 0xd938, 0xd30b, 0xcab6, 0xb505, 0x9c59, 0x90e8,
|
|
0x8778, 0x7ef9, 0x76fc, 0x6f45, 0x67ab, 0x600e, 0x5850, 0x504d, 0x47db,
|
|
0x3ebd, 0x3486, 0x2853, 0x1715
|
|
};
|
|
static const FIXPU cplscale6[63] = {
|
|
/* 2^16 C_ij */
|
|
0xff7d, 0xfe74, 0xfd65, 0xfc50, 0xfb35, 0xfa14, 0xf8eb, 0xf7bb, 0xf683,
|
|
0xf543, 0xf3f9, 0xf2a6, 0xf148, 0xefdf, 0xee6a, 0xece6, 0xeb54, 0xe9b2,
|
|
0xe7fd, 0xe634, 0xe453, 0xe258, 0xe03d, 0xddff, 0xdb94, 0xd8f4, 0xd610,
|
|
0xd2d2, 0xcf13, 0xca8c, 0xc47c, 0xb505, 0xa41a, 0x9c90, 0x9685, 0x913a,
|
|
0x8c67, 0x87e5, 0x839c, 0x7f7e, 0x7b81, 0x779b, 0x73c7, 0x6fff, 0x6c3f,
|
|
0x6883, 0x64c7, 0x6107, 0x5d40, 0x596e, 0x558d, 0x5198, 0x4d8b, 0x495f,
|
|
0x450d, 0x408b, 0x3bcd, 0x36c1, 0x314d, 0x2b4a, 0x246e, 0x1c1a, 0x1029
|
|
};
|
|
|