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3435 lines
91 KiB
C
3435 lines
91 KiB
C
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/*
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This program is free software; you can redristibute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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This file is a modified version of RTjpeg 0.1.2, (C) Justin Schoeman 1998
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(991101) Wim Taymans : added MMX dct and idct from intels site.
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*/
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/*
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Main Routines
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This file contains most of the initialisation and control functions
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(C) Justin Schoeman 1998
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef unsigned char __u8;
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typedef signed char __s8;
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typedef unsigned short __u16;
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typedef signed short __s16;
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typedef unsigned long __u32;
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typedef signed long __s32;
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typedef unsigned long long __u64;
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//#define MMX_TRACE
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#ifdef HAVE_LIBMMX
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#include "mmx.h"
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#endif
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static const unsigned char RTjpeg_ZZ[64]={
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0,
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8, 1,
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2, 9, 16,
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24, 17, 10, 3,
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4, 11, 18, 25, 32,
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40, 33, 26, 19, 12, 5,
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6, 13, 20, 27, 34, 41, 48,
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56, 49, 42, 35, 28, 21, 14, 7,
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15, 22, 29, 36, 43, 50, 57,
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58, 51, 44, 37, 30, 23,
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31, 38, 45, 52, 59,
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60, 53, 46, 39,
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47, 54, 61,
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62, 55,
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63 };
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static const __u64 RTjpeg_aan_tab[64]={
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4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL, 3374581504ULL, 2324432128ULL, 1184891264ULL,
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5957222912ULL, 8263040512ULL, 7783580160ULL, 7005009920ULL, 5957222912ULL, 4680582144ULL, 3224107520ULL, 1643641088ULL,
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5611718144ULL, 7783580160ULL, 7331904512ULL, 6598688768ULL, 5611718144ULL, 4408998912ULL, 3036936960ULL, 1548224000ULL,
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5050464768ULL, 7005009920ULL, 6598688768ULL, 5938608128ULL, 5050464768ULL, 3968072960ULL, 2733115392ULL, 1393296000ULL,
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4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL, 3374581504ULL, 2324432128ULL, 1184891264ULL,
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3374581504ULL, 4680582144ULL, 4408998912ULL, 3968072960ULL, 3374581504ULL, 2651326208ULL, 1826357504ULL, 931136000ULL,
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2324432128ULL, 3224107520ULL, 3036936960ULL, 2733115392ULL, 2324432128ULL, 1826357504ULL, 1258030336ULL, 641204288ULL,
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1184891264ULL, 1643641088ULL, 1548224000ULL, 1393296000ULL, 1184891264ULL, 931136000ULL, 641204288ULL, 326894240ULL,
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};
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#ifndef HAVE_LIBMMX
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static __s32 RTjpeg_ws[64+31];
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#endif
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__u8 RTjpeg_alldata[2*64+4*64+4*64+4*64+4*64+32];
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__s16 *RTjpeg_block;
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__s32 *RTjpeg_lqt;
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__s32 *RTjpeg_cqt;
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__u32 *RTjpeg_liqt;
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__u32 *RTjpeg_ciqt;
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unsigned char RTjpeg_lb8;
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unsigned char RTjpeg_cb8;
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int RTjpeg_width, RTjpeg_height;
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int RTjpeg_Ywidth, RTjpeg_Cwidth;
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int RTjpeg_Ysize, RTjpeg_Csize;
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__s16 *RTjpeg_old=NULL;
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#ifdef HAVE_LIBMMX
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mmx_t RTjpeg_lmask;
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mmx_t RTjpeg_cmask;
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#else
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__u16 RTjpeg_lmask;
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__u16 RTjpeg_cmask;
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#endif
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int RTjpeg_mtest=0;
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static const unsigned char RTjpeg_lum_quant_tbl[64] = {
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16, 11, 10, 16, 24, 40, 51, 61,
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12, 12, 14, 19, 26, 58, 60, 55,
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14, 13, 16, 24, 40, 57, 69, 56,
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14, 17, 22, 29, 51, 87, 80, 62,
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18, 22, 37, 56, 68, 109, 103, 77,
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24, 35, 55, 64, 81, 104, 113, 92,
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49, 64, 78, 87, 103, 121, 120, 101,
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72, 92, 95, 98, 112, 100, 103, 99
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};
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static const unsigned char RTjpeg_chrom_quant_tbl[64] = {
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17, 18, 24, 47, 99, 99, 99, 99,
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18, 21, 26, 66, 99, 99, 99, 99,
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24, 26, 56, 99, 99, 99, 99, 99,
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47, 66, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99
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};
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int RTjpeg_b2s(__s16 *data, __s8 *strm, __u8 bt8)
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{
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register int ci, co=1, tmp;
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register __s16 ZZvalue;
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(__u8)strm[0]=(__u8)(data[RTjpeg_ZZ[0]]>254) ? 254:((data[RTjpeg_ZZ[0]]<0)?0:data[RTjpeg_ZZ[0]]);
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for(ci=1; ci<=bt8; ci++)
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{
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ZZvalue = data[RTjpeg_ZZ[ci]];
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if(ZZvalue>0)
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{
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strm[co++]=(__s8)(ZZvalue>127)?127:ZZvalue;
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}
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else
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{
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strm[co++]=(__s8)(ZZvalue<-128)?-128:ZZvalue;
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}
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}
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for(; ci<64; ci++)
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{
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ZZvalue = data[RTjpeg_ZZ[ci]];
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if(ZZvalue>0)
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{
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strm[co++]=(__s8)(ZZvalue>63)?63:ZZvalue;
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}
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else if(ZZvalue<0)
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{
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strm[co++]=(__s8)(ZZvalue<-64)?-64:ZZvalue;
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}
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else /* compress zeros */
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{
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tmp=ci;
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do
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{
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ci++;
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}
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while((ci<64)&&(data[RTjpeg_ZZ[ci]]==0));
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strm[co++]=(__s8)(63+(ci-tmp));
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ci--;
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}
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}
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return (int)co;
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}
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int RTjpeg_s2b(__s16 *data, __s8 *strm, __u8 bt8, __u32 *qtbl)
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{
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int ci=1, co=1, tmp;
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register int i;
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i=RTjpeg_ZZ[0];
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data[i]=((__u8)strm[0])*qtbl[i];
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for(co=1; co<=bt8; co++)
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{
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i=RTjpeg_ZZ[co];
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data[i]=strm[ci++]*qtbl[i];
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}
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for(; co<64; co++)
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{
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if(strm[ci]>63)
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{
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tmp=co+strm[ci]-63;
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for(; co<tmp; co++)data[RTjpeg_ZZ[co]]=0;
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co--;
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} else
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{
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i=RTjpeg_ZZ[co];
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data[i]=strm[ci]*qtbl[i];
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}
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ci++;
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}
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return (int)ci;
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}
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#if defined(HAVE_LIBMMX)
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void RTjpeg_quant_init(void)
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{
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int i;
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__s16 *qtbl;
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qtbl=(__s16 *)RTjpeg_lqt;
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for(i=0; i<64; i++)qtbl[i]=(__s16)RTjpeg_lqt[i];
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qtbl=(__s16 *)RTjpeg_cqt;
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for(i=0; i<64; i++)qtbl[i]=(__s16)RTjpeg_cqt[i];
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}
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static mmx_t RTjpeg_ones=(mmx_t)(long long)0x0001000100010001LL;
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static mmx_t RTjpeg_half=(mmx_t)(long long)0x7fff7fff7fff7fffLL;
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void RTjpeg_quant(__s16 *block, __s32 *qtbl)
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{
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int i;
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mmx_t *bl, *ql;
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ql=(mmx_t *)qtbl;
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bl=(mmx_t *)block;
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movq_m2r(RTjpeg_ones, mm6);
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movq_m2r(RTjpeg_half, mm7);
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for(i=16; i; i--)
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{
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movq_m2r(*(ql++), mm0); /* quant vals (4) */
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movq_m2r(*bl, mm2); /* block vals (4) */
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movq_r2r(mm0, mm1);
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movq_r2r(mm2, mm3);
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punpcklwd_r2r(mm6, mm0); /* 1 qb 1 qa */
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punpckhwd_r2r(mm6, mm1); /* 1 qd 1 qc */
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punpcklwd_r2r(mm7, mm2); /* 32767 bb 32767 ba */
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punpckhwd_r2r(mm7, mm3); /* 32767 bd 32767 bc */
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pmaddwd_r2r(mm2, mm0); /* 32767+bb*qb 32767+ba*qa */
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pmaddwd_r2r(mm3, mm1); /* 32767+bd*qd 32767+bc*qc */
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psrad_i2r(16, mm0);
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psrad_i2r(16, mm1);
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packssdw_r2r(mm1, mm0);
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movq_r2m(mm0, *(bl++));
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}
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}
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#else
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void RTjpeg_quant_init(void)
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{
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}
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void RTjpeg_quant(__s16 *block, __s32 *qtbl)
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{
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int i;
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for(i=0; i<64; i++)
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block[i]=(__s16)((block[i]*qtbl[i]+32767)>>16);
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}
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#endif
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/*
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* Perform the forward DCT on one block of samples.
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*/
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#ifdef HAVE_LIBMMX
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static mmx_t RTjpeg_C4 =(mmx_t)(long long)0x2D412D412D412D41LL;
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static mmx_t RTjpeg_C6 =(mmx_t)(long long)0x187E187E187E187ELL;
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static mmx_t RTjpeg_C2mC6=(mmx_t)(long long)0x22A322A322A322A3LL;
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static mmx_t RTjpeg_C2pC6=(mmx_t)(long long)0x539F539F539F539FLL;
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static mmx_t RTjpeg_zero =(mmx_t)(long long)0x0000000000000000LL;
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#else
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#define FIX_0_382683433 ((__s32) 98) /* FIX(0.382683433) */
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#define FIX_0_541196100 ((__s32) 139) /* FIX(0.541196100) */
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#define FIX_0_707106781 ((__s32) 181) /* FIX(0.707106781) */
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#define FIX_1_306562965 ((__s32) 334) /* FIX(1.306562965) */
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#define DESCALE10(x) (__s16)( ((x)+128) >> 8)
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#define DESCALE20(x) (__s16)(((x)+32768) >> 16)
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#define D_MULTIPLY(var,const) ((__s32) ((var) * (const)))
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#endif
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|||
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void RTjpeg_dct_init(void)
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{
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int i;
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|||
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for(i=0; i<64; i++)
|
|||
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{
|
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RTjpeg_lqt[i]=(((__u64)RTjpeg_lqt[i]<<32)/RTjpeg_aan_tab[i]);
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RTjpeg_cqt[i]=(((__u64)RTjpeg_cqt[i]<<32)/RTjpeg_aan_tab[i]);
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}
|
|||
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}
|
|||
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|
|||
|
|
void RTjpeg_dctY(__u8 *idata, __s16 *odata, int rskip)
|
|||
|
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{
|
|||
|
|
#ifndef HAVE_LIBMMX
|
|||
|
|
__s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
|||
|
|
__s32 tmp10, tmp11, tmp12, tmp13;
|
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|
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__s32 z1, z2, z3, z4, z5, z11, z13;
|
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|
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__u8 *idataptr;
|
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|
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__s16 *odataptr;
|
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|
|
__s32 *wsptr;
|
|||
|
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int ctr;
|
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|
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|
|||
|
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idataptr = idata;
|
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wsptr = RTjpeg_ws;
|
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for (ctr = 7; ctr >= 0; ctr--) {
|
|||
|
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tmp0 = idataptr[0] + idataptr[7];
|
|||
|
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tmp7 = idataptr[0] - idataptr[7];
|
|||
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tmp1 = idataptr[1] + idataptr[6];
|
|||
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tmp6 = idataptr[1] - idataptr[6];
|
|||
|
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tmp2 = idataptr[2] + idataptr[5];
|
|||
|
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tmp5 = idataptr[2] - idataptr[5];
|
|||
|
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tmp3 = idataptr[3] + idataptr[4];
|
|||
|
|
tmp4 = idataptr[3] - idataptr[4];
|
|||
|
|
|
|||
|
|
tmp10 = (tmp0 + tmp3); /* phase 2 */
|
|||
|
|
tmp13 = tmp0 - tmp3;
|
|||
|
|
tmp11 = (tmp1 + tmp2);
|
|||
|
|
tmp12 = tmp1 - tmp2;
|
|||
|
|
|
|||
|
|
wsptr[0] = (tmp10 + tmp11)<<8; /* phase 3 */
|
|||
|
|
wsptr[4] = (tmp10 - tmp11)<<8;
|
|||
|
|
|
|||
|
|
z1 = D_MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */
|
|||
|
|
wsptr[2] = (tmp13<<8) + z1; /* phase 5 */
|
|||
|
|
wsptr[6] = (tmp13<<8) - z1;
|
|||
|
|
|
|||
|
|
tmp10 = tmp4 + tmp5; /* phase 2 */
|
|||
|
|
tmp11 = tmp5 + tmp6;
|
|||
|
|
tmp12 = tmp6 + tmp7;
|
|||
|
|
|
|||
|
|
z5 = D_MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */
|
|||
|
|
z2 = D_MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */
|
|||
|
|
z4 = D_MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */
|
|||
|
|
z3 = D_MULTIPLY(tmp11, FIX_0_707106781); /* c4 */
|
|||
|
|
|
|||
|
|
z11 = (tmp7<<8) + z3; /* phase 5 */
|
|||
|
|
z13 = (tmp7<<8) - z3;
|
|||
|
|
|
|||
|
|
wsptr[5] = z13 + z2; /* phase 6 */
|
|||
|
|
wsptr[3] = z13 - z2;
|
|||
|
|
wsptr[1] = z11 + z4;
|
|||
|
|
wsptr[7] = z11 - z4;
|
|||
|
|
|
|||
|
|
idataptr += rskip<<3; /* advance pointer to next row */
|
|||
|
|
wsptr += 8;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
wsptr = RTjpeg_ws;
|
|||
|
|
odataptr=odata;
|
|||
|
|
for (ctr = 7; ctr >= 0; ctr--) {
|
|||
|
|
tmp0 = wsptr[0] + wsptr[56];
|
|||
|
|
tmp7 = wsptr[0] - wsptr[56];
|
|||
|
|
tmp1 = wsptr[8] + wsptr[48];
|
|||
|
|
tmp6 = wsptr[8] - wsptr[48];
|
|||
|
|
tmp2 = wsptr[16] + wsptr[40];
|
|||
|
|
tmp5 = wsptr[16] - wsptr[40];
|
|||
|
|
tmp3 = wsptr[24] + wsptr[32];
|
|||
|
|
tmp4 = wsptr[24] - wsptr[32];
|
|||
|
|
|
|||
|
|
tmp10 = tmp0 + tmp3; /* phase 2 */
|
|||
|
|
tmp13 = tmp0 - tmp3;
|
|||
|
|
tmp11 = tmp1 + tmp2;
|
|||
|
|
tmp12 = tmp1 - tmp2;
|
|||
|
|
|
|||
|
|
odataptr[0] = DESCALE10(tmp10 + tmp11); /* phase 3 */
|
|||
|
|
odataptr[32] = DESCALE10(tmp10 - tmp11);
|
|||
|
|
|
|||
|
|
z1 = D_MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */
|
|||
|
|
odataptr[16] = DESCALE20((tmp13<<8) + z1); /* phase 5 */
|
|||
|
|
odataptr[48] = DESCALE20((tmp13<<8) - z1);
|
|||
|
|
|
|||
|
|
tmp10 = tmp4 + tmp5; /* phase 2 */
|
|||
|
|
tmp11 = tmp5 + tmp6;
|
|||
|
|
tmp12 = tmp6 + tmp7;
|
|||
|
|
|
|||
|
|
z5 = D_MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */
|
|||
|
|
z2 = D_MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */
|
|||
|
|
z4 = D_MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */
|
|||
|
|
z3 = D_MULTIPLY(tmp11, FIX_0_707106781); /* c4 */
|
|||
|
|
|
|||
|
|
z11 = (tmp7<<8) + z3; /* phase 5 */
|
|||
|
|
z13 = (tmp7<<8) - z3;
|
|||
|
|
|
|||
|
|
odataptr[40] = DESCALE20(z13 + z2); /* phase 6 */
|
|||
|
|
odataptr[24] = DESCALE20(z13 - z2);
|
|||
|
|
odataptr[8] = DESCALE20(z11 + z4);
|
|||
|
|
odataptr[56] = DESCALE20(z11 - z4);
|
|||
|
|
|
|||
|
|
odataptr++; /* advance pointer to next column */
|
|||
|
|
wsptr++;
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
mmx_t tmp6, tmp7;
|
|||
|
|
register mmx_t *dataptr = (mmx_t *)odata;
|
|||
|
|
mmx_t *idata2 = (mmx_t *)idata;
|
|||
|
|
|
|||
|
|
// first copy the input 8 bit to the destination 16 bits
|
|||
|
|
|
|||
|
|
movq_m2r(RTjpeg_zero, mm2);
|
|||
|
|
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+1));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+2));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+3));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+4));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+5));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+6));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+7));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+8));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+9));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+10));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+11));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+12));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+13));
|
|||
|
|
|
|||
|
|
idata2 += rskip;
|
|||
|
|
|
|||
|
|
movq_m2r(*idata2, mm0);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm2, mm0);
|
|||
|
|
movq_r2m(mm0, *(dataptr+14));
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm2, mm1);
|
|||
|
|
movq_r2m(mm1, *(dataptr+15));
|
|||
|
|
|
|||
|
|
/* Start Transpose to do calculations on rows */
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into m5
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+13), mm6); // m23:m22|m21:m20 - third line (line 6)and copy into m2
|
|||
|
|
movq_r2r(mm7, mm5);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+11), mm7); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm6, mm2);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+15), mm6); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm7, mm1);
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+11), mm3); // m13:m13|m11:m10 - second line
|
|||
|
|
punpckldq_r2r(mm6, mm7); // m30:m20|m10:m00 - interleave to produce result 1
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+15), mm0); // m13:m13|m11:m10 - fourth line
|
|||
|
|
punpckhdq_r2r(mm6, mm1); // m31:m21|m11:m01 - interleave to produce result 2
|
|||
|
|
|
|||
|
|
movq_r2m(mm7,*(dataptr+9)); // write result 1
|
|||
|
|
punpckhwd_r2r(mm3, mm5); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
movq_r2m(mm1,*(dataptr+11)); // write result 2
|
|||
|
|
punpckhwd_r2r(mm0, mm2); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
|
|||
|
|
movq_r2r(mm5, mm1);
|
|||
|
|
punpckldq_r2r(mm2, mm5); // m32:m22|m12:m02 - interleave to produce result 3
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+1), mm0); // m03:m02|m01:m00 - first line, 4x4
|
|||
|
|
punpckhdq_r2r(mm2, mm1); // m33:m23|m13:m03 - interleave to produce result 4
|
|||
|
|
|
|||
|
|
movq_r2m(mm5,*(dataptr+13)); // write result 3
|
|||
|
|
|
|||
|
|
// last 4x4 done
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(dataptr+15)); // write result 4, last 4x4
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+5), mm2); // m23:m22|m21:m20 - third line
|
|||
|
|
movq_r2r(mm0, mm6);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+3), mm0); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm2, mm7);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+7), mm2); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm0, mm4);
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
movq_m2r(*(dataptr+8), mm1); // n03:n02|n01:n00 - first line
|
|||
|
|
punpckldq_r2r(mm2, mm0); // m30:m20|m10:m00 - interleave to produce first result
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+12), mm3); // n23:n22|n21:n20 - third line
|
|||
|
|
punpckhdq_r2r(mm2, mm4); // m31:m21|m11:m01 - interleave to produce second result
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+3), mm6); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
movq_r2r(mm1, mm2); // copy first line
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+7), mm7); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm6, mm5); // copy first intermediate result
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+8)); // write result 1
|
|||
|
|
punpckhdq_r2r(mm7, mm5); // m33:m23|m13:m03 - produce third result
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+10), mm1); // n11:n01|n10:n00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm3, mm0); // copy third line
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+10), mm2); // n13:n03|n12:n02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(dataptr+10)); // write result 2 out
|
|||
|
|
punpckldq_r2r(mm7, mm6); // m32:m22|m12:m02 - produce fourth result
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+14), mm3); // n31:n21|n30:n20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm1, mm4);
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+12)); // write result 3 out
|
|||
|
|
punpckldq_r2r(mm3, mm1); // n30:n20|n10:n00 - produce first result
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+14), mm0); // n33:n23|n32:n22 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm2, mm6);
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+14)); // write result 4 out
|
|||
|
|
punpckhdq_r2r(mm3, mm4); // n31:n21|n11:n01- produce second result
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(dataptr+1)); // write result 5 out - (first result for other 4 x 4 block)
|
|||
|
|
punpckldq_r2r(mm0, mm2); // n32:n22|n12:n02- produce third result
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(dataptr+3)); // write result 6 out
|
|||
|
|
punpckhdq_r2r(mm0, mm6); // n33:n23|n13:n03 - produce fourth result
|
|||
|
|
|
|||
|
|
movq_r2m(mm2, *(dataptr+5)); // write result 7 out
|
|||
|
|
|
|||
|
|
movq_m2r(*dataptr, mm0); // m03:m02|m01:m00 - first line, first 4x4
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+7)); // write result 8 out
|
|||
|
|
|
|||
|
|
|
|||
|
|
// Do first 4x4 quadrant, which is used in the beginning of the DCT:
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+4), mm7); // m23:m22|m21:m20 - third line
|
|||
|
|
movq_r2r(mm0, mm2);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+2), mm0); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm7, mm4);
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+6), mm7); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+2), mm6); // m13:m12|m11:m10 - second line
|
|||
|
|
punpckldq_r2r(mm7, mm0); // m30:m20|m10:m00 - interleave to produce result 1
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+6), mm5); // m33:m32|m31:m30 - fourth line
|
|||
|
|
punpckhdq_r2r(mm7, mm1); // m31:m21|m11:m01 - interleave to produce result 2
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm7); // write result 1
|
|||
|
|
punpckhwd_r2r(mm6, mm2); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+14), mm7); // tmp07=x0-x7 /* Stage 1 */
|
|||
|
|
movq_r2r(mm1, mm6); // write result 2
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+14), mm0); // tmp00=x0+x7 /* Stage 1 */
|
|||
|
|
punpckhwd_r2r(mm5, mm4); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+12), mm1); // tmp01=x1+x6 /* Stage 1 */
|
|||
|
|
movq_r2r(mm2, mm3); // copy first intermediate result
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+12), mm6); // tmp06=x1-x6 /* Stage 1 */
|
|||
|
|
punpckldq_r2r(mm4, mm2); // m32:m22|m12:m02 - interleave to produce result 3
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, tmp7);
|
|||
|
|
movq_r2r(mm2, mm5); // write result 3
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, tmp6);
|
|||
|
|
punpckhdq_r2r(mm4, mm3); // m33:m23|m13:m03 - interleave to produce result 4
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+10), mm2); // tmp02=x2+5 /* Stage 1 */
|
|||
|
|
movq_r2r(mm3, mm4); // write result 4
|
|||
|
|
|
|||
|
|
/************************************************************************************************
|
|||
|
|
End of Transpose
|
|||
|
|
************************************************************************************************/
|
|||
|
|
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+8), mm3); // tmp03=x3+x4 /* stage 1*/
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+8), mm4); // tmp04=x3-x4 /* stage 1*/
|
|||
|
|
movq_r2r(mm1, mm6);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 /* even 2 */
|
|||
|
|
psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 /* even 2 */
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 /* even 2 */
|
|||
|
|
paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 /* even 2 */
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+10), mm5); // tmp05=x2-x5 /* stage 1*/
|
|||
|
|
paddw_r2r(mm7, mm6); // tmp12 + tmp13
|
|||
|
|
|
|||
|
|
/* stage 3 */
|
|||
|
|
|
|||
|
|
movq_m2r(tmp6, mm2);
|
|||
|
|
movq_r2r(mm0, mm3);
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm6); // m8 * 2^2
|
|||
|
|
paddw_r2r(mm1, mm0);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm6); // z1
|
|||
|
|
psubw_r2r(mm1, mm3);
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *dataptr);
|
|||
|
|
movq_r2r(mm7, mm0);
|
|||
|
|
|
|||
|
|
/* Odd part */
|
|||
|
|
movq_r2m(mm3, *(dataptr+8));
|
|||
|
|
paddw_r2r(mm5, mm4); // tmp10
|
|||
|
|
|
|||
|
|
movq_m2r(tmp7, mm3);
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp32
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm5); // tmp11
|
|||
|
|
psubw_r2r(mm6, mm7); // tmp33
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+4));
|
|||
|
|
paddw_r2r(mm3, mm2); // tmp12
|
|||
|
|
|
|||
|
|
/* stage 4 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(dataptr+12));
|
|||
|
|
movq_r2r(mm4, mm1); // copy of tmp10
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm1); // tmp10 - tmp12
|
|||
|
|
psllw_i2r(2, mm4); // m8 * 2^2
|
|||
|
|
|
|||
|
|
movq_m2r(RTjpeg_C2mC6, mm0);
|
|||
|
|
psllw_i2r(2, mm1);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C6, mm1); // z5
|
|||
|
|
psllw_i2r(2, mm2);
|
|||
|
|
|
|||
|
|
pmulhw_r2r(mm0, mm4); // z5
|
|||
|
|
|
|||
|
|
/* stage 5 */
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C2pC6, mm2);
|
|||
|
|
psllw_i2r(2, mm5);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm5); // z3
|
|||
|
|
movq_r2r(mm3, mm0); // copy tmp7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+1), mm7);
|
|||
|
|
paddw_r2r(mm1, mm4); // z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm1, mm2); // z4
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // z11
|
|||
|
|
psubw_r2r(mm5, mm3); // z13
|
|||
|
|
|
|||
|
|
/* stage 6 */
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5); // copy z13
|
|||
|
|
psubw_r2r(mm4, mm3); // y3=z13 - z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm5); // y5=z13 + z2
|
|||
|
|
movq_r2r(mm0, mm6); // copy z11
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(dataptr+6)); //save y3
|
|||
|
|
psubw_r2r(mm2, mm0); // y7=z11 - z4
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+10)); //save y5
|
|||
|
|
paddw_r2r(mm2, mm6); // y1=z11 + z4
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+14)); //save y7
|
|||
|
|
|
|||
|
|
/************************************************
|
|||
|
|
* End of 1st 4 rows
|
|||
|
|
************************************************/
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+3), mm1); // load x1 /* stage 1 */
|
|||
|
|
movq_r2r(mm7, mm0); // copy x0
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+2)); //save y1
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+5), mm2); // load x2 /* stage 1 */
|
|||
|
|
movq_r2r(mm1, mm6); // copy x1
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+15), mm0); // tmp00 = x0 + x7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+7), mm3); // load x3 /* stage 1 */
|
|||
|
|
movq_r2r(mm2, mm5); // copy x2
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+15), mm7); // tmp07 = x0 - x7
|
|||
|
|
movq_r2r(mm3, mm4); // copy x3
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+13), mm1); // tmp01 = x1 + x6
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, tmp7); // save tmp07
|
|||
|
|
movq_r2r(mm0, mm7); // copy tmp00
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+13), mm6); // tmp06 = x1 - x6
|
|||
|
|
|
|||
|
|
/* stage 2, Even Part */
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+9), mm3); // tmp03 = x3 + x4
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, tmp6); // save tmp07
|
|||
|
|
movq_r2r(mm1, mm6); // copy tmp01
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+11), mm2); // tmp02 = x2 + x5
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03
|
|||
|
|
|
|||
|
|
psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+9), mm4); // tmp04 = x3 - x4
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+11), mm5); // tmp05 = x2 - x5
|
|||
|
|
paddw_r2r(mm7, mm6); // tmp12 + tmp13
|
|||
|
|
|
|||
|
|
/* stage 3, Even and stage 4 & 5 even */
|
|||
|
|
|
|||
|
|
movq_m2r(tmp6, mm2); // load tmp6
|
|||
|
|
movq_r2r(mm0, mm3); // copy tmp10
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm6); // shift z1
|
|||
|
|
paddw_r2r(mm1, mm0); // y0=tmp10 + tmp11
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm6); // z1
|
|||
|
|
psubw_r2r(mm1, mm3); // y4=tmp10 - tmp11
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+1)); //save y0
|
|||
|
|
movq_r2r(mm7, mm0); // copy tmp13
|
|||
|
|
|
|||
|
|
/* odd part */
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(dataptr+9)); //save y4
|
|||
|
|
paddw_r2r(mm5, mm4); // tmp10 = tmp4 + tmp5
|
|||
|
|
|
|||
|
|
movq_m2r(tmp7, mm3); // load tmp7
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp32 = tmp13 + z1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm5); // tmp11 = tmp5 + tmp6
|
|||
|
|
psubw_r2r(mm6, mm7); // tmp33 = tmp13 - z1
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+5)); //save y2
|
|||
|
|
paddw_r2r(mm3, mm2); // tmp12 = tmp6 + tmp7
|
|||
|
|
|
|||
|
|
/* stage 4 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(dataptr+13)); //save y6
|
|||
|
|
movq_r2r(mm4, mm1); // copy tmp10
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm1); // tmp10 - tmp12
|
|||
|
|
psllw_i2r(2, mm4); // shift tmp10
|
|||
|
|
|
|||
|
|
movq_m2r(RTjpeg_C2mC6, mm0); // load C2mC6
|
|||
|
|
psllw_i2r(2, mm1); // shift (tmp10-tmp12)
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C6, mm1); // z5
|
|||
|
|
psllw_i2r(2, mm5); // prepare for multiply
|
|||
|
|
|
|||
|
|
pmulhw_r2r(mm0, mm4); // multiply by converted real
|
|||
|
|
|
|||
|
|
/* stage 5 */
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm5); // z3
|
|||
|
|
psllw_i2r(2, mm2); // prepare for multiply
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C2pC6, mm2); // multiply
|
|||
|
|
movq_r2r(mm3, mm0); // copy tmp7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into mm7
|
|||
|
|
paddw_r2r(mm1, mm4); // z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // z11
|
|||
|
|
psubw_r2r(mm5, mm3); // z13
|
|||
|
|
|
|||
|
|
/* stage 6 */
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5); // copy z13
|
|||
|
|
paddw_r2r(mm1, mm2); // z4
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6); // copy z11
|
|||
|
|
psubw_r2r(mm4, mm5); // y3
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm6); // y1
|
|||
|
|
paddw_r2r(mm4, mm3); // y5
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+7)); //save y3
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+3)); //save y1
|
|||
|
|
psubw_r2r(mm2, mm0); // y7
|
|||
|
|
|
|||
|
|
/************************************************************************************************
|
|||
|
|
Start of Transpose
|
|||
|
|
************************************************************************************************/
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+13), mm6); // m23:m22|m21:m20 - third line (line 6)and copy into m2
|
|||
|
|
movq_r2r(mm7, mm5); // copy first line
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm3, mm7); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm6, mm2); // copy third line
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm0, mm6); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm7, mm1); // copy first intermediate result
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm6, mm7); // m30:m20|m10:m00 - interleave to produce result 1
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm1); // m31:m21|m11:m01 - interleave to produce result 2
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(dataptr+9)); // write result 1
|
|||
|
|
punpckhwd_r2r(mm3, mm5); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(dataptr+11)); // write result 2
|
|||
|
|
punpckhwd_r2r(mm0, mm2); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
|
|||
|
|
movq_r2r(mm5, mm1); // copy first intermediate result
|
|||
|
|
punpckldq_r2r(mm2, mm5); // m32:m22|m12:m02 - interleave to produce result 3
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+1), mm0); // m03:m02|m01:m00 - first line, 4x4
|
|||
|
|
punpckhdq_r2r(mm2, mm1); // m33:m23|m13:m03 - interleave to produce result 4
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+13)); // write result 3
|
|||
|
|
|
|||
|
|
/****** last 4x4 done */
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(dataptr+15)); // write result 4, last 4x4
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+5), mm2); // m23:m22|m21:m20 - third line
|
|||
|
|
movq_r2r(mm0, mm6); // copy first line
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+3), mm0); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm2, mm7); // copy third line
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+7), mm2); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm0, mm4); // copy first intermediate result
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+8), mm1); // n03:n02|n01:n00 - first line
|
|||
|
|
punpckldq_r2r(mm2, mm0); // m30:m20|m10:m00 - interleave to produce first result
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+12), mm3); // n23:n22|n21:n20 - third line
|
|||
|
|
punpckhdq_r2r(mm2, mm4); // m31:m21|m11:m01 - interleave to produce second result
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+3), mm6); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
movq_r2r(mm1, mm2); // copy first line
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+7), mm7); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm6, mm5); // copy first intermediate result
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+8)); // write result 1
|
|||
|
|
punpckhdq_r2r(mm7, mm5); // m33:m23|m13:m03 - produce third result
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+10), mm1); // n11:n01|n10:n00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm3, mm0); // copy third line
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+10), mm2); // n13:n03|n12:n02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(dataptr+10)); // write result 2 out
|
|||
|
|
punpckldq_r2r(mm7, mm6); // m32:m22|m12:m02 - produce fourth result
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+14), mm3); // n33:n23|n32:n22 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm1, mm4); // copy second intermediate result
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+12)); // write result 3 out
|
|||
|
|
punpckldq_r2r(mm3, mm1); //
|
|||
|
|
|
|||
|
|
punpckhwd_m2r(*(dataptr+14), mm0); // n33:n23|n32:n22 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm2, mm6); // copy second intermediate result
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+14)); // write result 4 out
|
|||
|
|
punpckhdq_r2r(mm3, mm4); // n31:n21|n11:n01- produce second result
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(dataptr+1)); // write result 5 out - (first result for other 4 x 4 block)
|
|||
|
|
punpckldq_r2r(mm0, mm2); // n32:n22|n12:n02- produce third result
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(dataptr+3)); // write result 6 out
|
|||
|
|
punpckhdq_r2r(mm0, mm6); // n33:n23|n13:n03 - produce fourth result
|
|||
|
|
|
|||
|
|
movq_r2m(mm2, *(dataptr+5)); // write result 7 out
|
|||
|
|
|
|||
|
|
movq_m2r(*dataptr, mm0); // m03:m02|m01:m00 - first line, first 4x4
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+7)); // write result 8 out
|
|||
|
|
|
|||
|
|
// Do first 4x4 quadrant, which is used in the beginning of the DCT:
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+4), mm7); // m23:m22|m21:m20 - third line
|
|||
|
|
movq_r2r(mm0, mm2); // copy first line
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+2), mm0); // m11:m01|m10:m00 - interleave first and second lines
|
|||
|
|
movq_r2r(mm7, mm4); // copy third line
|
|||
|
|
|
|||
|
|
punpcklwd_m2r(*(dataptr+6), mm7); // m31:m21|m30:m20 - interleave third and fourth lines
|
|||
|
|
movq_r2r(mm0, mm1); // copy first intermediate result
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+2), mm6); // m13:m12|m11:m10 - second line
|
|||
|
|
punpckldq_r2r(mm7, mm0); // m30:m20|m10:m00 - interleave to produce result 1
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+6), mm5); // m33:m32|m31:m30 - fourth line
|
|||
|
|
punpckhdq_r2r(mm7, mm1); // m31:m21|m11:m01 - interleave to produce result 2
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm7); // write result 1
|
|||
|
|
punpckhwd_r2r(mm6, mm2); // m13:m03|m12:m02 - interleave first and second lines
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+14), mm7); // tmp07=x0-x7 /* Stage 1 */
|
|||
|
|
movq_r2r(mm1, mm6); // write result 2
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+14), mm0); // tmp00=x0+x7 /* Stage 1 */
|
|||
|
|
punpckhwd_r2r(mm5, mm4); // m33:m23|m32:m22 - interleave third and fourth lines
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+12), mm1); // tmp01=x1+x6 /* Stage 1 */
|
|||
|
|
movq_r2r(mm2, mm3); // copy first intermediate result
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+12), mm6); // tmp06=x1-x6 /* Stage 1 */
|
|||
|
|
punpckldq_r2r(mm4, mm2); // m32:m22|m12:m02 - interleave to produce result 3
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, tmp7); // save tmp07
|
|||
|
|
movq_r2r(mm2, mm5); // write result 3
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, tmp6); // save tmp06
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm3); // m33:m23|m13:m03 - interleave to produce result 4
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+10), mm2); // tmp02=x2+x5 /* stage 1 */
|
|||
|
|
movq_r2r(mm3, mm4); // write result 4
|
|||
|
|
|
|||
|
|
/************************************************************************************************
|
|||
|
|
End of Transpose 2
|
|||
|
|
************************************************************************************************/
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+8), mm3); // tmp03=x3+x4 /* stage 1*/
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+8), mm4); // tmp04=x3-x4 /* stage 1*/
|
|||
|
|
movq_r2r(mm1, mm6);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 /* even 2 */
|
|||
|
|
psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 /* even 2 */
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 /* even 2 */
|
|||
|
|
paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 /* even 2 */
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+10), mm5); // tmp05=x2-x5 /* stage 1*/
|
|||
|
|
paddw_r2r(mm7, mm6); // tmp12 + tmp13
|
|||
|
|
|
|||
|
|
/* stage 3 */
|
|||
|
|
|
|||
|
|
movq_m2r(tmp6, mm2);
|
|||
|
|
movq_r2r(mm0, mm3);
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm6); // m8 * 2^2
|
|||
|
|
paddw_r2r(mm1, mm0);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm6); // z1
|
|||
|
|
psubw_r2r(mm1, mm3);
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *dataptr);
|
|||
|
|
movq_r2r(mm7, mm0);
|
|||
|
|
|
|||
|
|
/* Odd part */
|
|||
|
|
movq_r2m(mm3, *(dataptr+8));
|
|||
|
|
paddw_r2r(mm5, mm4); // tmp10
|
|||
|
|
|
|||
|
|
movq_m2r(tmp7, mm3);
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp32
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm5); // tmp11
|
|||
|
|
psubw_r2r(mm6, mm7); // tmp33
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+4));
|
|||
|
|
paddw_r2r(mm3, mm2); // tmp12
|
|||
|
|
|
|||
|
|
/* stage 4 */
|
|||
|
|
movq_r2m(mm7, *(dataptr+12));
|
|||
|
|
movq_r2r(mm4, mm1); // copy of tmp10
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm1); // tmp10 - tmp12
|
|||
|
|
psllw_i2r(2, mm4); // m8 * 2^2
|
|||
|
|
|
|||
|
|
movq_m2r(RTjpeg_C2mC6, mm0);
|
|||
|
|
psllw_i2r(2, mm1);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C6, mm1); // z5
|
|||
|
|
psllw_i2r(2, mm2);
|
|||
|
|
|
|||
|
|
pmulhw_r2r(mm0, mm4); // z5
|
|||
|
|
|
|||
|
|
/* stage 5 */
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C2pC6, mm2);
|
|||
|
|
psllw_i2r(2, mm5);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm5); // z3
|
|||
|
|
movq_r2r(mm3, mm0); // copy tmp7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+1), mm7);
|
|||
|
|
paddw_r2r(mm1, mm4); // z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm1, mm2); // z4
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // z11
|
|||
|
|
psubw_r2r(mm5, mm3); // z13
|
|||
|
|
|
|||
|
|
/* stage 6 */
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5); // copy z13
|
|||
|
|
psubw_r2r(mm4, mm3); // y3=z13 - z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm5); // y5=z13 + z2
|
|||
|
|
movq_r2r(mm0, mm6); // copy z11
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(dataptr+6)); //save y3
|
|||
|
|
psubw_r2r(mm2, mm0); // y7=z11 - z4
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+10)); //save y5
|
|||
|
|
paddw_r2r(mm2, mm6); // y1=z11 + z4
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+14)); //save y7
|
|||
|
|
|
|||
|
|
/************************************************
|
|||
|
|
* End of 1st 4 rows
|
|||
|
|
************************************************/
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+3), mm1); // load x1 /* stage 1 */
|
|||
|
|
movq_r2r(mm7, mm0); // copy x0
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+2)); //save y1
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+5), mm2); // load x2 /* stage 1 */
|
|||
|
|
movq_r2r(mm1, mm6); // copy x1
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+15), mm0); // tmp00 = x0 + x7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+7), mm3); // load x3 /* stage 1 */
|
|||
|
|
movq_r2r(mm2, mm5); // copy x2
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+15), mm7); // tmp07 = x0 - x7
|
|||
|
|
movq_r2r(mm3, mm4); // copy x3
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+13), mm1); // tmp01 = x1 + x6
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, tmp7); // save tmp07
|
|||
|
|
movq_r2r(mm0, mm7); // copy tmp00
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+13), mm6); // tmp06 = x1 - x6
|
|||
|
|
|
|||
|
|
/* stage 2, Even Part */
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+9), mm3); // tmp03 = x3 + x4
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, tmp6); // save tmp07
|
|||
|
|
movq_r2r(mm1, mm6); // copy tmp01
|
|||
|
|
|
|||
|
|
paddw_m2r(*(dataptr+11), mm2); // tmp02 = x2 + x5
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03
|
|||
|
|
|
|||
|
|
psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+9), mm4); // tmp04 = x3 - x4
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02
|
|||
|
|
|
|||
|
|
psubw_m2r(*(dataptr+11), mm5); // tmp05 = x2 - x5
|
|||
|
|
paddw_r2r(mm7, mm6); // tmp12 + tmp13
|
|||
|
|
|
|||
|
|
/* stage 3, Even and stage 4 & 5 even */
|
|||
|
|
|
|||
|
|
movq_m2r(tmp6, mm2); // load tmp6
|
|||
|
|
movq_r2r(mm0, mm3); // copy tmp10
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm6); // shift z1
|
|||
|
|
paddw_r2r(mm1, mm0); // y0=tmp10 + tmp11
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm6); // z1
|
|||
|
|
psubw_r2r(mm1, mm3); // y4=tmp10 - tmp11
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+1)); //save y0
|
|||
|
|
movq_r2r(mm7, mm0); // copy tmp13
|
|||
|
|
|
|||
|
|
/* odd part */
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(dataptr+9)); //save y4
|
|||
|
|
paddw_r2r(mm5, mm4); // tmp10 = tmp4 + tmp5
|
|||
|
|
|
|||
|
|
movq_m2r(tmp7, mm3); // load tmp7
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp32 = tmp13 + z1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm5); // tmp11 = tmp5 + tmp6
|
|||
|
|
psubw_r2r(mm6, mm7); // tmp33 = tmp13 - z1
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+5)); //save y2
|
|||
|
|
paddw_r2r(mm3, mm2); // tmp12 = tmp6 + tmp7
|
|||
|
|
|
|||
|
|
/* stage 4 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(dataptr+13)); //save y6
|
|||
|
|
movq_r2r(mm4, mm1); // copy tmp10
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm1); // tmp10 - tmp12
|
|||
|
|
psllw_i2r(2, mm4); // shift tmp10
|
|||
|
|
|
|||
|
|
movq_m2r(RTjpeg_C2mC6, mm0); // load C2mC6
|
|||
|
|
psllw_i2r(2, mm1); // shift (tmp10-tmp12)
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C6, mm1); // z5
|
|||
|
|
psllw_i2r(2, mm5); // prepare for multiply
|
|||
|
|
|
|||
|
|
pmulhw_r2r(mm0, mm4); // multiply by converted real
|
|||
|
|
|
|||
|
|
/* stage 5 */
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C4, mm5); // z3
|
|||
|
|
psllw_i2r(2, mm2); // prepare for multiply
|
|||
|
|
|
|||
|
|
pmulhw_m2r(RTjpeg_C2pC6, mm2); // multiply
|
|||
|
|
movq_r2r(mm3, mm0); // copy tmp7
|
|||
|
|
|
|||
|
|
movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into mm7
|
|||
|
|
paddw_r2r(mm1, mm4); // z2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // z11
|
|||
|
|
psubw_r2r(mm5, mm3); // z13
|
|||
|
|
|
|||
|
|
/* stage 6 */
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5); // copy z13
|
|||
|
|
paddw_r2r(mm1, mm2); // z4
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6); // copy z11
|
|||
|
|
psubw_r2r(mm4, mm5); // y3
|
|||
|
|
|
|||
|
|
paddw_r2r(mm2, mm6); // y1
|
|||
|
|
paddw_r2r(mm4, mm3); // y5
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(dataptr+7)); //save y3
|
|||
|
|
psubw_r2r(mm2, mm0); // y<>=z11 - z4
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(dataptr+11)); //save y5
|
|||
|
|
|
|||
|
|
movq_r2m(mm6, *(dataptr+3)); //save y1
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(dataptr+15)); //save y7
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#define FIX_1_082392200 ((__s32) 277) /* FIX(1.082392200) */
|
|||
|
|
#define FIX_1_414213562 ((__s32) 362) /* FIX(1.414213562) */
|
|||
|
|
#define FIX_1_847759065 ((__s32) 473) /* FIX(1.847759065) */
|
|||
|
|
#define FIX_2_613125930 ((__s32) 669) /* FIX(2.613125930) */
|
|||
|
|
|
|||
|
|
#define DESCALE(x) (__s16)( ((x)+4) >> 3)
|
|||
|
|
|
|||
|
|
/* clip yuv to 16..235 (should be 16..240 for cr/cb but ... */
|
|||
|
|
|
|||
|
|
#define RL(x) ((x)>235) ? 235 : (((x)<16) ? 16 : (x))
|
|||
|
|
#define MULTIPLY(var,const) (((__s32) ((var) * (const)) + 128)>>8)
|
|||
|
|
|
|||
|
|
void RTjpeg_idct_init(void)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
{
|
|||
|
|
RTjpeg_liqt[i]=((__u64)RTjpeg_liqt[i]*RTjpeg_aan_tab[i])>>32;
|
|||
|
|
RTjpeg_ciqt[i]=((__u64)RTjpeg_ciqt[i]*RTjpeg_aan_tab[i])>>32;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_idct(__u8 *odata, __s16 *data, int rskip)
|
|||
|
|
{
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
|
|||
|
|
static mmx_t fix_141 = (mmx_t)(long long)0x5a825a825a825a82LL;
|
|||
|
|
static mmx_t fix_184n261 = (mmx_t)(long long)0xcf04cf04cf04cf04LL;
|
|||
|
|
static mmx_t fix_184 = (mmx_t)(long long)0x7641764176417641LL;
|
|||
|
|
static mmx_t fix_n184 = (mmx_t)(long long)0x896f896f896f896fLL;
|
|||
|
|
static mmx_t fix_108n184 = (mmx_t)(long long)0xcf04cf04cf04cf04LL;
|
|||
|
|
|
|||
|
|
mmx_t workspace[64];
|
|||
|
|
mmx_t *wsptr = workspace;
|
|||
|
|
register mmx_t *dataptr = (mmx_t *)odata;
|
|||
|
|
mmx_t *idata = (mmx_t *)data;
|
|||
|
|
|
|||
|
|
rskip = rskip>>3;
|
|||
|
|
/*
|
|||
|
|
* Perform inverse DCT on one block of coefficients.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/* Odd part */
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+10), mm1); // load idata[DCTSIZE*5]
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+6), mm0); // load idata[DCTSIZE*3]
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+2), mm3); // load idata[DCTSIZE*1]
|
|||
|
|
|
|||
|
|
movq_r2r(mm1, mm2); // copy tmp6 /* phase 6 */
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+14), mm4); // load idata[DCTSIZE*7]
|
|||
|
|
|
|||
|
|
paddw_r2r(mm0, mm1); // z13 = tmp6 + tmp5;
|
|||
|
|
|
|||
|
|
psubw_r2r(mm0, mm2); // z10 = tmp6 - tmp5
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm2); // shift z10
|
|||
|
|
movq_r2r(mm2, mm0); // copy z10
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184n261, mm2); // MULTIPLY( z12, FIX_1_847759065); /* 2*c2 */
|
|||
|
|
movq_r2r(mm3, mm5); // copy tmp4
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_n184, mm0); // MULTIPLY(z10, -FIX_1_847759065); /* 2*c2 */
|
|||
|
|
paddw_r2r(mm4, mm3); // z11 = tmp4 + tmp7;
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm6); // copy z11 /* phase 5 */
|
|||
|
|
psubw_r2r(mm4, mm5); // z12 = tmp4 - tmp7;
|
|||
|
|
|
|||
|
|
psubw_r2r(mm1, mm6); // z11-z13
|
|||
|
|
psllw_i2r(2, mm5); // shift z12
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+12), mm4); // load idata[DCTSIZE*6], even part
|
|||
|
|
movq_r2r(mm5, mm7); // copy z12
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_108n184, mm5); // MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; /* 2*(c2-c6) */ even part
|
|||
|
|
paddw_r2r(mm1, mm3); // tmp7 = z11 + z13;
|
|||
|
|
|
|||
|
|
//ok
|
|||
|
|
|
|||
|
|
/* Even part */
|
|||
|
|
pmulhw_m2r(fix_184, mm7); // MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; /* -2*(c2+c6) */
|
|||
|
|
psllw_i2r(2, mm6);
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+4), mm1); // load idata[DCTSIZE*2]
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // tmp10
|
|||
|
|
|
|||
|
|
paddw_r2r(mm7, mm2); // tmp12
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm6); // tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */
|
|||
|
|
psubw_r2r(mm3, mm2); // tmp6 = tmp12 - tmp7
|
|||
|
|
|
|||
|
|
movq_r2r(mm1, mm5); // copy tmp1
|
|||
|
|
paddw_r2r(mm4, mm1); // tmp13= tmp1 + tmp3; /* phases 5-3 */
|
|||
|
|
|
|||
|
|
psubw_r2r(mm4, mm5); // tmp1-tmp3
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp5 = tmp11 - tmp6;
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr)); // save tmp13 in workspace
|
|||
|
|
psllw_i2r(2, mm5); // shift tmp1-tmp3
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata), mm7); // load idata[DCTSIZE*0]
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm5); // MULTIPLY(tmp1 - tmp3, FIX_1_414213562)
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp4 = tmp10 + tmp5;
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+8), mm4); // load idata[DCTSIZE*4]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm1, mm5); // tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; /* 2*c4 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(wsptr+4)); // save tmp4 in workspace
|
|||
|
|
movq_r2r(mm7, mm1); // copy tmp0 /* phase 3 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(wsptr+2)); // save tmp12 in workspace
|
|||
|
|
psubw_r2r(mm4, mm1); // tmp11 = tmp0 - tmp2;
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm7); // tmp10 = tmp0 + tmp2;
|
|||
|
|
movq_r2r(mm1, mm5); // copy tmp11
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr+2), mm1); // tmp1 = tmp11 + tmp12;
|
|||
|
|
movq_r2r(mm7, mm4); // copy tmp10 /* phase 2 */
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr), mm7); // tmp0 = tmp10 + tmp13;
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr), mm4); // tmp3 = tmp10 - tmp13;
|
|||
|
|
movq_r2r(mm7, mm0); // copy tmp0
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr+2), mm5); // tmp2 = tmp11 - tmp12;
|
|||
|
|
paddw_r2r(mm3, mm7); // wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm3, mm0); // wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7);
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr)); // wsptr[DCTSIZE*0]
|
|||
|
|
movq_r2r(mm1, mm3); // copy tmp1
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(wsptr+14)); // wsptr[DCTSIZE*7]
|
|||
|
|
paddw_r2r(mm2, mm1); // wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm3); // wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6);
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+2)); // wsptr[DCTSIZE*1]
|
|||
|
|
movq_r2r(mm4, mm1); // copy tmp3
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(wsptr+12)); // wsptr[DCTSIZE*6]
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr+4), mm4); // wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4);
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr+4), mm1); // wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4);
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(wsptr+8));
|
|||
|
|
movq_r2r(mm5, mm7); // copy tmp2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm6, mm5); // wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5)
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+6));
|
|||
|
|
psubw_r2r(mm6, mm7); // wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5);
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(wsptr+4));
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr+10));
|
|||
|
|
|
|||
|
|
//ok
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*****************************************************************/
|
|||
|
|
|
|||
|
|
idata++;
|
|||
|
|
wsptr++;
|
|||
|
|
|
|||
|
|
/*****************************************************************/
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+10), mm1); // load idata[DCTSIZE*5]
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+6), mm0); // load idata[DCTSIZE*3]
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+2), mm3); // load idata[DCTSIZE*1]
|
|||
|
|
movq_r2r(mm1, mm2); // copy tmp6 /* phase 6 */
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+14), mm4); // load idata[DCTSIZE*7]
|
|||
|
|
paddw_r2r(mm0, mm1); // z13 = tmp6 + tmp5;
|
|||
|
|
|
|||
|
|
psubw_r2r(mm0, mm2); // z10 = tmp6 - tmp5
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm2); // shift z10
|
|||
|
|
movq_r2r(mm2, mm0); // copy z10
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184n261, mm2); // MULTIPLY( z12, FIX_1_847759065); /* 2*c2 */
|
|||
|
|
movq_r2r(mm3, mm5); // copy tmp4
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_n184, mm0); // MULTIPLY(z10, -FIX_1_847759065); /* 2*c2 */
|
|||
|
|
paddw_r2r(mm4, mm3); // z11 = tmp4 + tmp7;
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm6); // copy z11 /* phase 5 */
|
|||
|
|
psubw_r2r(mm4, mm5); // z12 = tmp4 - tmp7;
|
|||
|
|
|
|||
|
|
psubw_r2r(mm1, mm6); // z11-z13
|
|||
|
|
psllw_i2r(2, mm5); // shift z12
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+12), mm4); // load idata[DCTSIZE*6], even part
|
|||
|
|
movq_r2r(mm5, mm7); // copy z12
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_108n184, mm5); // MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; /* 2*(c2-c6) */ even part
|
|||
|
|
paddw_r2r(mm1, mm3); // tmp7 = z11 + z13;
|
|||
|
|
|
|||
|
|
//ok
|
|||
|
|
|
|||
|
|
/* Even part */
|
|||
|
|
pmulhw_m2r(fix_184, mm7); // MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; /* -2*(c2+c6) */
|
|||
|
|
psllw_i2r(2, mm6);
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+4), mm1); // load idata[DCTSIZE*2]
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm0); // tmp10
|
|||
|
|
|
|||
|
|
paddw_r2r(mm7, mm2); // tmp12
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm6); // tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */
|
|||
|
|
psubw_r2r(mm3, mm2); // tmp6 = tmp12 - tmp7
|
|||
|
|
|
|||
|
|
movq_r2r(mm1, mm5); // copy tmp1
|
|||
|
|
paddw_r2r(mm4, mm1); // tmp13= tmp1 + tmp3; /* phases 5-3 */
|
|||
|
|
|
|||
|
|
psubw_r2r(mm4, mm5); // tmp1-tmp3
|
|||
|
|
psubw_r2r(mm2, mm6); // tmp5 = tmp11 - tmp6;
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr)); // save tmp13 in workspace
|
|||
|
|
psllw_i2r(2, mm5); // shift tmp1-tmp3
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata), mm7); // load idata[DCTSIZE*0]
|
|||
|
|
paddw_r2r(mm6, mm0); // tmp4 = tmp10 + tmp5;
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm5); // MULTIPLY(tmp1 - tmp3, FIX_1_414213562)
|
|||
|
|
|
|||
|
|
movq_m2r(*(idata+8), mm4); // load idata[DCTSIZE*4]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm1, mm5); // tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; /* 2*c4 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(wsptr+4)); // save tmp4 in workspace
|
|||
|
|
movq_r2r(mm7, mm1); // copy tmp0 /* phase 3 */
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(wsptr+2)); // save tmp12 in workspace
|
|||
|
|
psubw_r2r(mm4, mm1); // tmp11 = tmp0 - tmp2;
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm7); // tmp10 = tmp0 + tmp2;
|
|||
|
|
movq_r2r(mm1, mm5); // copy tmp11
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr+2), mm1); // tmp1 = tmp11 + tmp12;
|
|||
|
|
movq_r2r(mm7, mm4); // copy tmp10 /* phase 2 */
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr), mm7); // tmp0 = tmp10 + tmp13;
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr), mm4); // tmp3 = tmp10 - tmp13;
|
|||
|
|
movq_r2r(mm7, mm0); // copy tmp0
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr+2), mm5); // tmp2 = tmp11 - tmp12;
|
|||
|
|
paddw_r2r(mm3, mm7); // wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm3, mm0); // wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7);
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr)); // wsptr[DCTSIZE*0]
|
|||
|
|
movq_r2r(mm1, mm3); // copy tmp1
|
|||
|
|
|
|||
|
|
movq_r2m(mm0, *(wsptr+14)); // wsptr[DCTSIZE*7]
|
|||
|
|
paddw_r2r(mm2, mm1); // wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm2, mm3); // wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6);
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+2)); // wsptr[DCTSIZE*1]
|
|||
|
|
movq_r2r(mm4, mm1); // copy tmp3
|
|||
|
|
|
|||
|
|
movq_r2m(mm3, *(wsptr+12)); // wsptr[DCTSIZE*6]
|
|||
|
|
|
|||
|
|
paddw_m2r(*(wsptr+4), mm4); // wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4);
|
|||
|
|
|
|||
|
|
psubw_m2r(*(wsptr+4), mm1); // wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4);
|
|||
|
|
|
|||
|
|
movq_r2m(mm4, *(wsptr+8));
|
|||
|
|
movq_r2r(mm5, mm7); // copy tmp2
|
|||
|
|
|
|||
|
|
paddw_r2r(mm6, mm5); // wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5)
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+6));
|
|||
|
|
psubw_r2r(mm6, mm7); // wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5);
|
|||
|
|
|
|||
|
|
movq_r2m(mm5, *(wsptr+4));
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr+10));
|
|||
|
|
|
|||
|
|
/*****************************************************************/
|
|||
|
|
|
|||
|
|
/* Pass 2: process rows from work array, store into output array. */
|
|||
|
|
/* Note that we must descale the results by a factor of 8 == 2**3, */
|
|||
|
|
/* and also undo the PASS1_BITS scaling. */
|
|||
|
|
|
|||
|
|
/*****************************************************************/
|
|||
|
|
/* Even part */
|
|||
|
|
|
|||
|
|
wsptr--;
|
|||
|
|
|
|||
|
|
// tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]);
|
|||
|
|
// tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]);
|
|||
|
|
// tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]);
|
|||
|
|
// tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]);
|
|||
|
|
movq_m2r(*(wsptr), mm0); // wsptr[0,0],[0,1],[0,2],[0,3]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+1), mm1); // wsptr[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
movq_r2r(mm0, mm2);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+2), mm3); // wsptr[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
paddw_r2r(mm1, mm0); // wsptr[0,tmp10],[xxx],[0,tmp13],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm4); // wsptr[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
psubw_r2r(mm1, mm2); // wsptr[0,tmp11],[xxx],[0,tmp14],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6);
|
|||
|
|
movq_r2r(mm3, mm5);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm3); // wsptr[1,tmp10],[xxx],[1,tmp13],[xxx]
|
|||
|
|
movq_r2r(mm2, mm1);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm4, mm5); // wsptr[1,tmp11],[xxx],[1,tmp14],[xxx]
|
|||
|
|
punpcklwd_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+7), mm7); // wsptr[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
punpckhwd_r2r(mm3, mm6); // wsptr[0,tmp13],[1,tmp13],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+4), mm3); // wsptr[2,0],[2,1],[2,2],[2,3]
|
|||
|
|
punpckldq_r2r(mm6, mm0); // wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm5, mm1); // wsptr[0,tmp11],[1,tmp11],[xxx],[xxx]
|
|||
|
|
movq_r2r(mm3, mm4);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+6), mm6); // wsptr[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
punpckhwd_r2r(mm5, mm2); // wsptr[0,tmp14],[1,tmp14],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+5), mm5); // wsptr[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
punpckldq_r2r(mm2, mm1); // wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14]
|
|||
|
|
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm3); // wsptr[2,tmp10],[xxx],[2,tmp13],[xxx]
|
|||
|
|
movq_r2r(mm6, mm2);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm5, mm4); // wsptr[2,tmp11],[xxx],[2,tmp14],[xxx]
|
|||
|
|
paddw_r2r(mm7, mm6); // wsptr[3,tmp10],[xxx],[3,tmp13],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5);
|
|||
|
|
punpcklwd_r2r(mm6, mm3); // wsptr[2,tmp10],[3,tmp10],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm2); // wsptr[3,tmp11],[xxx],[3,tmp14],[xxx]
|
|||
|
|
punpckhwd_r2r(mm6, mm5); // wsptr[2,tmp13],[3,tmp13],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm4, mm7);
|
|||
|
|
punpckldq_r2r(mm5, mm3); // wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm2, mm4); // wsptr[2,tmp11],[3,tmp11],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm2, mm7); // wsptr[2,tmp14],[3,tmp14],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm4); // wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14]
|
|||
|
|
movq_r2r(mm1, mm6);
|
|||
|
|
|
|||
|
|
//ok
|
|||
|
|
|
|||
|
|
// mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13]
|
|||
|
|
// mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14]
|
|||
|
|
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm2);
|
|||
|
|
punpckhdq_r2r(mm4, mm6); // wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm4, mm1); // wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11]
|
|||
|
|
psllw_i2r(2, mm6);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm6);
|
|||
|
|
punpckldq_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm3, mm2); // wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13]
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
// tmp0 = tmp10 + tmp13;
|
|||
|
|
// tmp3 = tmp10 - tmp13;
|
|||
|
|
paddw_r2r(mm2, mm0); // [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0]
|
|||
|
|
psubw_r2r(mm2, mm7); // [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3]
|
|||
|
|
|
|||
|
|
// tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13;
|
|||
|
|
psubw_r2r(mm2, mm6); // wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12]
|
|||
|
|
// tmp1 = tmp11 + tmp12;
|
|||
|
|
// tmp2 = tmp11 - tmp12;
|
|||
|
|
movq_r2r(mm1, mm5);
|
|||
|
|
|
|||
|
|
//OK
|
|||
|
|
|
|||
|
|
/* Odd part */
|
|||
|
|
|
|||
|
|
// z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3];
|
|||
|
|
// z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3];
|
|||
|
|
// z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7];
|
|||
|
|
// z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7];
|
|||
|
|
movq_m2r(*(wsptr), mm3); // wsptr[0,0],[0,1],[0,2],[0,3]
|
|||
|
|
paddw_r2r(mm6, mm1); // [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+1), mm4); // wsptr[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
psubw_r2r(mm6, mm5); // [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm6);
|
|||
|
|
punpckldq_r2r(mm4, mm3); // wsptr[0,0],[0,1],[0,4],[0,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm4); // wsptr[0,6],[0,7],[0,2],[0,3]
|
|||
|
|
movq_r2r(mm3, mm2);
|
|||
|
|
|
|||
|
|
//Save tmp0 and tmp1 in wsptr
|
|||
|
|
movq_r2m(mm0, *(wsptr)); // save tmp0
|
|||
|
|
paddw_r2r(mm4, mm2); // wsptr[xxx],[0,z11],[xxx],[0,z13]
|
|||
|
|
|
|||
|
|
|
|||
|
|
//Continue with z10 --- z13
|
|||
|
|
movq_m2r(*(wsptr+2), mm6); // wsptr[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
psubw_r2r(mm4, mm3); // wsptr[xxx],[0,z12],[xxx],[0,z10]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm0); // wsptr[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
movq_r2r(mm6, mm4);
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+1)); // save tmp1
|
|||
|
|
punpckldq_r2r(mm0, mm6); // wsptr[1,0],[1,1],[1,4],[1,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm0); // wsptr[1,6],[1,7],[1,2],[1,3]
|
|||
|
|
movq_r2r(mm6, mm1);
|
|||
|
|
|
|||
|
|
//Save tmp2 and tmp3 in wsptr
|
|||
|
|
paddw_r2r(mm0, mm6); // wsptr[xxx],[1,z11],[xxx],[1,z13]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
//Continue with z10 --- z13
|
|||
|
|
movq_r2m(mm5, *(wsptr+2)); // save tmp2
|
|||
|
|
punpcklwd_r2r(mm6, mm2); // wsptr[xxx],[xxx],[0,z11],[1,z11]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm0, mm1); // wsptr[xxx],[1,z12],[xxx],[1,z10]
|
|||
|
|
punpckhwd_r2r(mm6, mm4); // wsptr[xxx],[xxx],[0,z13],[1,z13]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm0);
|
|||
|
|
punpcklwd_r2r(mm1, mm3); // wsptr[xxx],[xxx],[0,z12],[1,z12]
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr+3)); // save tmp3
|
|||
|
|
punpckhwd_r2r(mm1, mm0); // wsptr[xxx],[xxx],[0,z10],[1,z10]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+4), mm6); // wsptr[2,0],[2,1],[2,2],[2,3]
|
|||
|
|
punpckhdq_r2r(mm2, mm0); // wsptr[0,z10],[1,z10],[0,z11],[1,z11]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+5), mm7); // wsptr[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
punpckhdq_r2r(mm4, mm3); // wsptr[0,z12],[1,z12],[0,z13],[1,z13]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+6), mm1); // wsptr[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
movq_r2r(mm6, mm4);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm6); // wsptr[2,0],[2,1],[2,4],[2,5]
|
|||
|
|
movq_r2r(mm1, mm5);
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm7); // wsptr[2,6],[2,7],[2,2],[2,3]
|
|||
|
|
movq_r2r(mm6, mm2);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+7), mm4); // wsptr[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
paddw_r2r(mm7, mm6); // wsptr[xxx],[2,z11],[xxx],[2,z13]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm2); // wsptr[xxx],[2,z12],[xxx],[2,z10]
|
|||
|
|
punpckldq_r2r(mm4, mm1); // wsptr[3,0],[3,1],[3,4],[3,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm5, mm4); // wsptr[3,6],[3,7],[3,2],[3,3]
|
|||
|
|
movq_r2r(mm1, mm7);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm1); // wsptr[xxx],[3,z11],[xxx],[3,z13]
|
|||
|
|
psubw_r2r(mm4, mm7); // wsptr[xxx],[3,z12],[xxx],[3,z10]
|
|||
|
|
|
|||
|
|
movq_r2r(mm6, mm5);
|
|||
|
|
punpcklwd_r2r(mm1, mm6); // wsptr[xxx],[xxx],[2,z11],[3,z11]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm1, mm5); // wsptr[xxx],[xxx],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm7, mm2); // wsptr[xxx],[xxx],[2,z12],[3,z12]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm7, mm4); // wsptr[xxx],[xxx],[2,z10],[3,z10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm4); /// wsptr[2,z10],[3,z10],[2,z11],[3,z11]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm5, mm2); // wsptr[2,z12],[3,z12],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm0, mm5);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm4, mm0); // wsptr[0,z10],[1,z10],[2,z10],[3,z10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm5); // wsptr[0,z11],[1,z11],[2,z11],[3,z11]
|
|||
|
|
movq_r2r(mm3, mm4);
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm2, mm4); // wsptr[0,z13],[1,z13],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm5, mm1);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm2, mm3); // wsptr[0,z12],[1,z12],[2,z12],[3,z12]
|
|||
|
|
// tmp7 = z11 + z13; /* phase 5 */
|
|||
|
|
// tmp8 = z11 - z13; /* phase 5 */
|
|||
|
|
psubw_r2r(mm4, mm1); // tmp8
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm5); // tmp7
|
|||
|
|
// tmp21 = MULTIPLY(tmp8, FIX_1_414213562); /* 2*c4 */
|
|||
|
|
psllw_i2r(2, mm1);
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm0);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm1); // tmp21
|
|||
|
|
// tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) /* 2*(c2-c6) */
|
|||
|
|
// + MULTIPLY(z10, - FIX_1_847759065); /* 2*c2 */
|
|||
|
|
psllw_i2r(2, mm3);
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_n184, mm7);
|
|||
|
|
movq_r2r(mm3, mm6);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr), mm2); // tmp0,final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_108n184, mm6);
|
|||
|
|
// tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) /* -2*(c2+c6) */
|
|||
|
|
// + MULTIPLY(z12, FIX_1_847759065); /* 2*c2 */
|
|||
|
|
movq_r2r(mm2, mm4); // final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184n261, mm0);
|
|||
|
|
paddw_r2r(mm5, mm2); // tmp0+tmp7,final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184, mm3);
|
|||
|
|
psubw_r2r(mm5, mm4); // tmp0-tmp7,final1
|
|||
|
|
|
|||
|
|
// tmp6 = tmp22 - tmp7; /* phase 2 */
|
|||
|
|
psraw_i2r(3, mm2); // outptr[0,0],[1,0],[2,0],[3,0],final1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm6, mm7); // tmp20
|
|||
|
|
psraw_i2r(3, mm4); // outptr[0,7],[1,7],[2,7],[3,7],final1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm0, mm3); // tmp22
|
|||
|
|
|
|||
|
|
// tmp5 = tmp21 - tmp6;
|
|||
|
|
psubw_r2r(mm5, mm3); // tmp6
|
|||
|
|
|
|||
|
|
// tmp4 = tmp20 + tmp5;
|
|||
|
|
movq_m2r(*(wsptr+1), mm0); // tmp1,final2
|
|||
|
|
psubw_r2r(mm3, mm1); // tmp5
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6); // final2
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp1+tmp6,final2
|
|||
|
|
|
|||
|
|
/* Final output stage: scale down by a factor of 8 and range-limit */
|
|||
|
|
|
|||
|
|
|
|||
|
|
// outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final1
|
|||
|
|
|
|||
|
|
|
|||
|
|
// outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final2
|
|||
|
|
psubw_r2r(mm3, mm6); // tmp1-tmp6,final2
|
|||
|
|
psraw_i2r(3, mm0); // outptr[0,1],[1,1],[2,1],[3,1]
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm6); // outptr[0,6],[1,6],[2,6],[3,6]
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm4, mm0); // out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+2), mm5); // tmp2,final3
|
|||
|
|
packuswb_r2r(mm6, mm2); // out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6]
|
|||
|
|
|
|||
|
|
// outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final3
|
|||
|
|
paddw_r2r(mm1, mm7); // tmp4
|
|||
|
|
movq_r2r(mm5, mm3);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm1, mm5); // tmp2+tmp5
|
|||
|
|
psubw_r2r(mm1, mm3); // tmp2-tmp5
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm5); // outptr[0,2],[1,2],[2,2],[3,2]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm4); // tmp3,final4
|
|||
|
|
psraw_i2r(3, mm3); // outptr[0,5],[1,5],[2,5],[3,5]
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
// outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final4
|
|||
|
|
movq_r2r(mm4, mm6);
|
|||
|
|
paddw_r2r(mm7, mm4); // tmp3+tmp4
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm6); // tmp3-tmp4
|
|||
|
|
psraw_i2r(3, mm4); // outptr[0,4],[1,4],[2,4],[3,4]
|
|||
|
|
|
|||
|
|
// mov ecx, [dataptr]
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm6); // outptr[0,3],[1,3],[2,3],[3,3]
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm4, mm5); // out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4]
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm3, mm6); // out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
movq_r2r(mm5, mm7);
|
|||
|
|
punpcklbw_r2r(mm0, mm2); // out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1]
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm0, mm4); // out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7]
|
|||
|
|
movq_r2r(mm2, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm6, mm5); // out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3]
|
|||
|
|
|
|||
|
|
// add dataptr, 4
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm6, mm7); // out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm5, mm2); // out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
|
|||
|
|
// add ecx, output_col
|
|||
|
|
|
|||
|
|
movq_r2r(mm7, mm6);
|
|||
|
|
punpckhwd_r2r(mm5, mm1); // out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
|
|||
|
|
movq_r2r(mm2, mm0);
|
|||
|
|
punpcklwd_r2r(mm4, mm6); // out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
|
|||
|
|
// mov idata, [dataptr]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm6, mm2); // out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
|
|||
|
|
// add dataptr, 4
|
|||
|
|
|
|||
|
|
movq_r2r(mm1, mm3);
|
|||
|
|
|
|||
|
|
// add idata, output_col
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm4, mm7); // out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
|
|||
|
|
movq_r2m(mm2, *(dataptr));
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm0); // out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm0, *(dataptr));
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm1); // out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
punpckhdq_r2r(mm7, mm3); // out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm1, *(dataptr));
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm3, *(dataptr));
|
|||
|
|
|
|||
|
|
/*******************************************************************/
|
|||
|
|
|
|||
|
|
wsptr += 8;
|
|||
|
|
|
|||
|
|
/*******************************************************************/
|
|||
|
|
|
|||
|
|
// tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]);
|
|||
|
|
// tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]);
|
|||
|
|
// tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]);
|
|||
|
|
// tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]);
|
|||
|
|
movq_m2r(*(wsptr), mm0); // wsptr[0,0],[0,1],[0,2],[0,3]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+1), mm1); // wsptr[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
movq_r2r(mm0, mm2);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+2), mm3); // wsptr[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
paddw_r2r(mm1, mm0); // wsptr[0,tmp10],[xxx],[0,tmp13],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm4); // wsptr[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
psubw_r2r(mm1, mm2); // wsptr[0,tmp11],[xxx],[0,tmp14],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6);
|
|||
|
|
movq_r2r(mm3, mm5);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm3); // wsptr[1,tmp10],[xxx],[1,tmp13],[xxx]
|
|||
|
|
movq_r2r(mm2, mm1);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm4, mm5); // wsptr[1,tmp11],[xxx],[1,tmp14],[xxx]
|
|||
|
|
punpcklwd_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+7), mm7); // wsptr[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
punpckhwd_r2r(mm3, mm6); // wsptr[0,tmp13],[1,tmp13],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+4), mm3); // wsptr[2,0],[2,1],[2,2],[2,3]
|
|||
|
|
punpckldq_r2r(mm6, mm0); // wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm5, mm1); // wsptr[0,tmp11],[1,tmp11],[xxx],[xxx]
|
|||
|
|
movq_r2r(mm3, mm4);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+6), mm6); // wsptr[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
punpckhwd_r2r(mm5, mm2); // wsptr[0,tmp14],[1,tmp14],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+5), mm5); // wsptr[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
punpckldq_r2r(mm2, mm1); // wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14]
|
|||
|
|
|
|||
|
|
paddw_r2r(mm5, mm3); // wsptr[2,tmp10],[xxx],[2,tmp13],[xxx]
|
|||
|
|
movq_r2r(mm6, mm2);
|
|||
|
|
|
|||
|
|
psubw_r2r(mm5, mm4); // wsptr[2,tmp11],[xxx],[2,tmp14],[xxx]
|
|||
|
|
paddw_r2r(mm7, mm6); // wsptr[3,tmp10],[xxx],[3,tmp13],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm5);
|
|||
|
|
punpcklwd_r2r(mm6, mm3); // wsptr[2,tmp10],[3,tmp10],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm2); // wsptr[3,tmp11],[xxx],[3,tmp14],[xxx]
|
|||
|
|
punpckhwd_r2r(mm6, mm5); // wsptr[2,tmp13],[3,tmp13],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
movq_r2r(mm4, mm7);
|
|||
|
|
punpckldq_r2r(mm5, mm3); // wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm2, mm4); // wsptr[2,tmp11],[3,tmp11],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm2, mm7); // wsptr[2,tmp14],[3,tmp14],[xxx],[xxx]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm4); // wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14]
|
|||
|
|
movq_r2r(mm1, mm6);
|
|||
|
|
|
|||
|
|
//OK
|
|||
|
|
|
|||
|
|
// mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13]
|
|||
|
|
// mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14]
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm2);
|
|||
|
|
punpckhdq_r2r(mm4, mm6); // wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm4, mm1); // wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11]
|
|||
|
|
psllw_i2r(2, mm6);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm6);
|
|||
|
|
punpckldq_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm3, mm2); // wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13]
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
// tmp0 = tmp10 + tmp13;
|
|||
|
|
// tmp3 = tmp10 - tmp13;
|
|||
|
|
paddw_r2r(mm2, mm0); // [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0]
|
|||
|
|
psubw_r2r(mm2, mm7); // [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3]
|
|||
|
|
|
|||
|
|
// tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13;
|
|||
|
|
psubw_r2r(mm2, mm6); // wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12]
|
|||
|
|
// tmp1 = tmp11 + tmp12;
|
|||
|
|
// tmp2 = tmp11 - tmp12;
|
|||
|
|
movq_r2r(mm1, mm5);
|
|||
|
|
|
|||
|
|
//OK
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* Odd part */
|
|||
|
|
|
|||
|
|
// z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3];
|
|||
|
|
// z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3];
|
|||
|
|
// z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7];
|
|||
|
|
// z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7];
|
|||
|
|
movq_m2r(*(wsptr), mm3); // wsptr[0,0],[0,1],[0,2],[0,3]
|
|||
|
|
paddw_r2r(mm6, mm1); // [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+1), mm4); // wsptr[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
psubw_r2r(mm6, mm5); // [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm6);
|
|||
|
|
punpckldq_r2r(mm4, mm3); // wsptr[0,0],[0,1],[0,4],[0,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm4); // wsptr[0,6],[0,7],[0,2],[0,3]
|
|||
|
|
movq_r2r(mm3, mm2);
|
|||
|
|
|
|||
|
|
//Save tmp0 and tmp1 in wsptr
|
|||
|
|
movq_r2m(mm0, *(wsptr)); // save tmp0
|
|||
|
|
paddw_r2r(mm4, mm2); // wsptr[xxx],[0,z11],[xxx],[0,z13]
|
|||
|
|
|
|||
|
|
|
|||
|
|
//Continue with z10 --- z13
|
|||
|
|
movq_m2r(*(wsptr+2), mm6); // wsptr[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
psubw_r2r(mm4, mm3); // wsptr[xxx],[0,z12],[xxx],[0,z10]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm0); // wsptr[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
movq_r2r(mm6, mm4);
|
|||
|
|
|
|||
|
|
movq_r2m(mm1, *(wsptr+1)); // save tmp1
|
|||
|
|
punpckldq_r2r(mm0, mm6); // wsptr[1,0],[1,1],[1,4],[1,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm0); // wsptr[1,6],[1,7],[1,2],[1,3]
|
|||
|
|
movq_r2r(mm6, mm1);
|
|||
|
|
|
|||
|
|
//Save tmp2 and tmp3 in wsptr
|
|||
|
|
paddw_r2r(mm0, mm6); // wsptr[xxx],[1,z11],[xxx],[1,z13]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
//Continue with z10 --- z13
|
|||
|
|
movq_r2m(mm5, *(wsptr+2)); // save tmp2
|
|||
|
|
punpcklwd_r2r(mm6, mm2); // wsptr[xxx],[xxx],[0,z11],[1,z11]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm0, mm1); // wsptr[xxx],[1,z12],[xxx],[1,z10]
|
|||
|
|
punpckhwd_r2r(mm6, mm4); // wsptr[xxx],[xxx],[0,z13],[1,z13]
|
|||
|
|
|
|||
|
|
movq_r2r(mm3, mm0);
|
|||
|
|
punpcklwd_r2r(mm1, mm3); // wsptr[xxx],[xxx],[0,z12],[1,z12]
|
|||
|
|
|
|||
|
|
movq_r2m(mm7, *(wsptr+3)); // save tmp3
|
|||
|
|
punpckhwd_r2r(mm1, mm0); // wsptr[xxx],[xxx],[0,z10],[1,z10]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+4), mm6); // wsptr[2,0],[2,1],[2,2],[2,3]
|
|||
|
|
punpckhdq_r2r(mm2, mm0); // wsptr[0,z10],[1,z10],[0,z11],[1,z11]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+5), mm7); // wsptr[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
punpckhdq_r2r(mm4, mm3); // wsptr[0,z12],[1,z12],[0,z13],[1,z13]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+6), mm1); // wsptr[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
movq_r2r(mm6, mm4);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm6); // wsptr[2,0],[2,1],[2,4],[2,5]
|
|||
|
|
movq_r2r(mm1, mm5);
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm7); // wsptr[2,6],[2,7],[2,2],[2,3]
|
|||
|
|
movq_r2r(mm6, mm2);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+7), mm4); // wsptr[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
paddw_r2r(mm7, mm6); // wsptr[xxx],[2,z11],[xxx],[2,z13]
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm2); // wsptr[xxx],[2,z12],[xxx],[2,z10]
|
|||
|
|
punpckldq_r2r(mm4, mm1); // wsptr[3,0],[3,1],[3,4],[3,5]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm5, mm4); // wsptr[3,6],[3,7],[3,2],[3,3]
|
|||
|
|
movq_r2r(mm1, mm7);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm1); // wsptr[xxx],[3,z11],[xxx],[3,z13]
|
|||
|
|
psubw_r2r(mm4, mm7); // wsptr[xxx],[3,z12],[xxx],[3,z10]
|
|||
|
|
|
|||
|
|
movq_r2r(mm6, mm5);
|
|||
|
|
punpcklwd_r2r(mm1, mm6); // wsptr[xxx],[xxx],[2,z11],[3,z11]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm1, mm5); // wsptr[xxx],[xxx],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm7, mm2); // wsptr[xxx],[xxx],[2,z12],[3,z12]
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm7, mm4); // wsptr[xxx],[xxx],[2,z10],[3,z10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm4); // wsptr[2,z10],[3,z10],[2,z11],[3,z11]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm5, mm2); // wsptr[2,z12],[3,z12],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm0, mm5);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm4, mm0); // wsptr[0,z10],[1,z10],[2,z10],[3,z10]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm4, mm5); // wsptr[0,z11],[1,z11],[2,z11],[3,z11]
|
|||
|
|
movq_r2r(mm3, mm4);
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm2, mm4); // wsptr[0,z13],[1,z13],[2,z13],[3,z13]
|
|||
|
|
movq_r2r(mm5, mm1);
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm2, mm3); // wsptr[0,z12],[1,z12],[2,z12],[3,z12]
|
|||
|
|
// tmp7 = z11 + z13; /* phase 5 */
|
|||
|
|
// tmp8 = z11 - z13; /* phase 5 */
|
|||
|
|
psubw_r2r(mm4, mm1); // tmp8
|
|||
|
|
|
|||
|
|
paddw_r2r(mm4, mm5); // tmp7
|
|||
|
|
// tmp21 = MULTIPLY(tmp8, FIX_1_414213562); /* 2*c4 */
|
|||
|
|
psllw_i2r(2, mm1);
|
|||
|
|
|
|||
|
|
psllw_i2r(2, mm0);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_141, mm1); // tmp21
|
|||
|
|
// tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) /* 2*(c2-c6) */
|
|||
|
|
// + MULTIPLY(z10, - FIX_1_847759065); /* 2*c2 */
|
|||
|
|
psllw_i2r(2, mm3);
|
|||
|
|
movq_r2r(mm0, mm7);
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_n184, mm7);
|
|||
|
|
movq_r2r(mm3, mm6);
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr), mm2); // tmp0,final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_108n184, mm6);
|
|||
|
|
// tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) /* -2*(c2+c6) */
|
|||
|
|
// + MULTIPLY(z12, FIX_1_847759065); /* 2*c2 */
|
|||
|
|
movq_r2r(mm2, mm4); // final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184n261, mm0);
|
|||
|
|
paddw_r2r(mm5, mm2); // tmp0+tmp7,final1
|
|||
|
|
|
|||
|
|
pmulhw_m2r(fix_184, mm3);
|
|||
|
|
psubw_r2r(mm5, mm4); // tmp0-tmp7,final1
|
|||
|
|
|
|||
|
|
// tmp6 = tmp22 - tmp7; /* phase 2 */
|
|||
|
|
psraw_i2r(3, mm2); // outptr[0,0],[1,0],[2,0],[3,0],final1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm6, mm7); // tmp20
|
|||
|
|
psraw_i2r(3, mm4); // outptr[0,7],[1,7],[2,7],[3,7],final1
|
|||
|
|
|
|||
|
|
paddw_r2r(mm0, mm3); // tmp22
|
|||
|
|
|
|||
|
|
// tmp5 = tmp21 - tmp6;
|
|||
|
|
psubw_r2r(mm5, mm3); // tmp6
|
|||
|
|
|
|||
|
|
// tmp4 = tmp20 + tmp5;
|
|||
|
|
movq_m2r(*(wsptr+1), mm0); // tmp1,final2
|
|||
|
|
psubw_r2r(mm3, mm1); // tmp5
|
|||
|
|
|
|||
|
|
movq_r2r(mm0, mm6); // final2
|
|||
|
|
paddw_r2r(mm3, mm0); // tmp1+tmp6,final2
|
|||
|
|
|
|||
|
|
/* Final output stage: scale down by a factor of 8 and range-limit */
|
|||
|
|
|
|||
|
|
// outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final1
|
|||
|
|
|
|||
|
|
|
|||
|
|
// outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final2
|
|||
|
|
psubw_r2r(mm3, mm6); // tmp1-tmp6,final2
|
|||
|
|
psraw_i2r(3, mm0); // outptr[0,1],[1,1],[2,1],[3,1]
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm6); // outptr[0,6],[1,6],[2,6],[3,6]
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm4, mm0); // out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+2), mm5); // tmp2,final3
|
|||
|
|
packuswb_r2r(mm6, mm2); // out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6]
|
|||
|
|
|
|||
|
|
// outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final3
|
|||
|
|
paddw_r2r(mm1, mm7); // tmp4
|
|||
|
|
movq_r2r(mm5, mm3);
|
|||
|
|
|
|||
|
|
paddw_r2r(mm1, mm5); // tmp2+tmp5
|
|||
|
|
psubw_r2r(mm1, mm3); // tmp2-tmp5
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm5); // outptr[0,2],[1,2],[2,2],[3,2]
|
|||
|
|
|
|||
|
|
movq_m2r(*(wsptr+3), mm4); // tmp3,final4
|
|||
|
|
psraw_i2r(3, mm3); // outptr[0,5],[1,5],[2,5],[3,5]
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
// outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK];
|
|||
|
|
// outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3)
|
|||
|
|
// & RANGE_MASK]; final4
|
|||
|
|
movq_r2r(mm4, mm6);
|
|||
|
|
paddw_r2r(mm7, mm4); // tmp3+tmp4
|
|||
|
|
|
|||
|
|
psubw_r2r(mm7, mm6); // tmp3-tmp4
|
|||
|
|
psraw_i2r(3, mm4); // outptr[0,4],[1,4],[2,4],[3,4]
|
|||
|
|
|
|||
|
|
psraw_i2r(3, mm6); // outptr[0,3],[1,3],[2,3],[3,3]
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
movq_r2m(mm4, *dummy);
|
|||
|
|
fprintf(stderr, "3-4 %016llx\n", dummy);
|
|||
|
|
movq_r2m(mm4, *dummy);
|
|||
|
|
fprintf(stderr, "3+4 %016llx\n", dummy);
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm4, mm5); // out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4]
|
|||
|
|
|
|||
|
|
packuswb_r2r(mm3, mm6); // out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5]
|
|||
|
|
movq_r2r(mm2, mm4);
|
|||
|
|
|
|||
|
|
movq_r2r(mm5, mm7);
|
|||
|
|
punpcklbw_r2r(mm0, mm2); // out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1]
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm0, mm4); // out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7]
|
|||
|
|
movq_r2r(mm2, mm1);
|
|||
|
|
|
|||
|
|
punpcklbw_r2r(mm6, mm5); // out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3]
|
|||
|
|
|
|||
|
|
punpckhbw_r2r(mm6, mm7); // out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5]
|
|||
|
|
|
|||
|
|
punpcklwd_r2r(mm5, mm2); // out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3]
|
|||
|
|
|
|||
|
|
movq_r2r(mm7, mm6);
|
|||
|
|
punpckhwd_r2r(mm5, mm1); // out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3]
|
|||
|
|
|
|||
|
|
movq_r2r(mm2, mm0);
|
|||
|
|
punpcklwd_r2r(mm4, mm6); // out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm6, mm2); // out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7]
|
|||
|
|
|
|||
|
|
movq_r2r(mm1, mm3);
|
|||
|
|
|
|||
|
|
punpckhwd_r2r(mm4, mm7); // out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm2, *(dataptr));
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm6, mm0); // out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7]
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm0, *(dataptr));
|
|||
|
|
|
|||
|
|
punpckldq_r2r(mm7, mm1); // out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7]
|
|||
|
|
|
|||
|
|
punpckhdq_r2r(mm7, mm3); // out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7]
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm1, *(dataptr));
|
|||
|
|
|
|||
|
|
dataptr += rskip;
|
|||
|
|
movq_r2m(mm3, *(dataptr));
|
|||
|
|
|
|||
|
|
#else
|
|||
|
|
__s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
|||
|
|
__s32 tmp10, tmp11, tmp12, tmp13;
|
|||
|
|
__s32 z5, z10, z11, z12, z13;
|
|||
|
|
__s16 *inptr;
|
|||
|
|
__s32 *wsptr;
|
|||
|
|
__u8 *outptr;
|
|||
|
|
int ctr;
|
|||
|
|
__s32 dcval;
|
|||
|
|
__s32 workspace[64];
|
|||
|
|
|
|||
|
|
inptr = data;
|
|||
|
|
wsptr = workspace;
|
|||
|
|
for (ctr = 8; ctr > 0; ctr--) {
|
|||
|
|
|
|||
|
|
if ((inptr[8] | inptr[16] | inptr[24] |
|
|||
|
|
inptr[32] | inptr[40] | inptr[48] | inptr[56]) == 0) {
|
|||
|
|
dcval = inptr[0];
|
|||
|
|
wsptr[0] = dcval;
|
|||
|
|
wsptr[8] = dcval;
|
|||
|
|
wsptr[16] = dcval;
|
|||
|
|
wsptr[24] = dcval;
|
|||
|
|
wsptr[32] = dcval;
|
|||
|
|
wsptr[40] = dcval;
|
|||
|
|
wsptr[48] = dcval;
|
|||
|
|
wsptr[56] = dcval;
|
|||
|
|
|
|||
|
|
inptr++;
|
|||
|
|
wsptr++;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
tmp0 = inptr[0];
|
|||
|
|
tmp1 = inptr[16];
|
|||
|
|
tmp2 = inptr[32];
|
|||
|
|
tmp3 = inptr[48];
|
|||
|
|
|
|||
|
|
tmp10 = tmp0 + tmp2;
|
|||
|
|
tmp11 = tmp0 - tmp2;
|
|||
|
|
|
|||
|
|
tmp13 = tmp1 + tmp3;
|
|||
|
|
tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13;
|
|||
|
|
|
|||
|
|
tmp0 = tmp10 + tmp13;
|
|||
|
|
tmp3 = tmp10 - tmp13;
|
|||
|
|
tmp1 = tmp11 + tmp12;
|
|||
|
|
tmp2 = tmp11 - tmp12;
|
|||
|
|
|
|||
|
|
tmp4 = inptr[8];
|
|||
|
|
tmp5 = inptr[24];
|
|||
|
|
tmp6 = inptr[40];
|
|||
|
|
tmp7 = inptr[56];
|
|||
|
|
|
|||
|
|
z13 = tmp6 + tmp5;
|
|||
|
|
z10 = tmp6 - tmp5;
|
|||
|
|
z11 = tmp4 + tmp7;
|
|||
|
|
z12 = tmp4 - tmp7;
|
|||
|
|
|
|||
|
|
tmp7 = z11 + z13;
|
|||
|
|
tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562);
|
|||
|
|
|
|||
|
|
z5 = MULTIPLY(z10 + z12, FIX_1_847759065);
|
|||
|
|
tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5;
|
|||
|
|
tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5;
|
|||
|
|
|
|||
|
|
tmp6 = tmp12 - tmp7;
|
|||
|
|
tmp5 = tmp11 - tmp6;
|
|||
|
|
tmp4 = tmp10 + tmp5;
|
|||
|
|
|
|||
|
|
wsptr[0] = (__s32) (tmp0 + tmp7);
|
|||
|
|
wsptr[56] = (__s32) (tmp0 - tmp7);
|
|||
|
|
wsptr[8] = (__s32) (tmp1 + tmp6);
|
|||
|
|
wsptr[48] = (__s32) (tmp1 - tmp6);
|
|||
|
|
wsptr[16] = (__s32) (tmp2 + tmp5);
|
|||
|
|
wsptr[40] = (__s32) (tmp2 - tmp5);
|
|||
|
|
wsptr[32] = (__s32) (tmp3 + tmp4);
|
|||
|
|
wsptr[24] = (__s32) (tmp3 - tmp4);
|
|||
|
|
|
|||
|
|
inptr++;
|
|||
|
|
wsptr++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
wsptr = workspace;
|
|||
|
|
for (ctr = 0; ctr < 8; ctr++) {
|
|||
|
|
outptr = &(odata[ctr*rskip]);
|
|||
|
|
|
|||
|
|
tmp10 = wsptr[0] + wsptr[4];
|
|||
|
|
tmp11 = wsptr[0] - wsptr[4];
|
|||
|
|
|
|||
|
|
tmp13 = wsptr[2] + wsptr[6];
|
|||
|
|
tmp12 = MULTIPLY(wsptr[2] - wsptr[6], FIX_1_414213562) - tmp13;
|
|||
|
|
|
|||
|
|
tmp0 = tmp10 + tmp13;
|
|||
|
|
tmp3 = tmp10 - tmp13;
|
|||
|
|
tmp1 = tmp11 + tmp12;
|
|||
|
|
tmp2 = tmp11 - tmp12;
|
|||
|
|
|
|||
|
|
z13 = wsptr[5] + wsptr[3];
|
|||
|
|
z10 = wsptr[5] - wsptr[3];
|
|||
|
|
z11 = wsptr[1] + wsptr[7];
|
|||
|
|
z12 = wsptr[1] - wsptr[7];
|
|||
|
|
|
|||
|
|
tmp7 = z11 + z13;
|
|||
|
|
tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562);
|
|||
|
|
|
|||
|
|
z5 = MULTIPLY(z10 + z12, FIX_1_847759065);
|
|||
|
|
tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5;
|
|||
|
|
tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5;
|
|||
|
|
|
|||
|
|
tmp6 = tmp12 - tmp7;
|
|||
|
|
tmp5 = tmp11 - tmp6;
|
|||
|
|
tmp4 = tmp10 + tmp5;
|
|||
|
|
|
|||
|
|
outptr[0] = RL(DESCALE(tmp0 + tmp7));
|
|||
|
|
outptr[7] = RL(DESCALE(tmp0 - tmp7));
|
|||
|
|
outptr[1] = RL(DESCALE(tmp1 + tmp6));
|
|||
|
|
outptr[6] = RL(DESCALE(tmp1 - tmp6));
|
|||
|
|
outptr[2] = RL(DESCALE(tmp2 + tmp5));
|
|||
|
|
outptr[5] = RL(DESCALE(tmp2 - tmp5));
|
|||
|
|
outptr[4] = RL(DESCALE(tmp3 + tmp4));
|
|||
|
|
outptr[3] = RL(DESCALE(tmp3 - tmp4));
|
|||
|
|
|
|||
|
|
wsptr += 8;
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
/*
|
|||
|
|
|
|||
|
|
Main Routines
|
|||
|
|
|
|||
|
|
This file contains most of the initialisation and control functions
|
|||
|
|
|
|||
|
|
(C) Justin Schoeman 1998
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
|
|||
|
|
Private function
|
|||
|
|
|
|||
|
|
Initialise all the cache-aliged data blocks
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
void RTjpeg_init_data(void)
|
|||
|
|
{
|
|||
|
|
unsigned long dptr;
|
|||
|
|
|
|||
|
|
dptr=(unsigned long)&(RTjpeg_alldata[0]);
|
|||
|
|
dptr+=32;
|
|||
|
|
dptr=dptr>>5;
|
|||
|
|
dptr=dptr<<5; /* cache align data */
|
|||
|
|
|
|||
|
|
RTjpeg_block=(__s16 *)dptr;
|
|||
|
|
dptr+=sizeof(__s16)*64;
|
|||
|
|
RTjpeg_lqt=(__s32 *)dptr;
|
|||
|
|
dptr+=sizeof(__s32)*64;
|
|||
|
|
RTjpeg_cqt=(__s32 *)dptr;
|
|||
|
|
dptr+=sizeof(__s32)*64;
|
|||
|
|
RTjpeg_liqt=(__u32 *)dptr;
|
|||
|
|
dptr+=sizeof(__u32)*64;
|
|||
|
|
RTjpeg_ciqt=(__u32 *)dptr;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
|
|||
|
|
External Function
|
|||
|
|
|
|||
|
|
Re-set quality factor
|
|||
|
|
|
|||
|
|
Input: buf -> pointer to 128 ints for quant values store to pass back to
|
|||
|
|
init_decompress.
|
|||
|
|
Q -> quality factor (192=best, 32=worst)
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
void RTjpeg_init_Q(__u8 Q)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
__u64 qual;
|
|||
|
|
|
|||
|
|
qual=(__u64)Q<<(32-7); /* 32 bit FP, 255=2, 0=0 */
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
{
|
|||
|
|
RTjpeg_lqt[i]=(__s32)((qual/((__u64)RTjpeg_lum_quant_tbl[i]<<16))>>3);
|
|||
|
|
if(RTjpeg_lqt[i]==0)RTjpeg_lqt[i]=1;
|
|||
|
|
RTjpeg_cqt[i]=(__s32)((qual/((__u64)RTjpeg_chrom_quant_tbl[i]<<16))>>3);
|
|||
|
|
if(RTjpeg_cqt[i]==0)RTjpeg_cqt[i]=1;
|
|||
|
|
RTjpeg_liqt[i]=(1<<16)/(RTjpeg_lqt[i]<<3);
|
|||
|
|
RTjpeg_ciqt[i]=(1<<16)/(RTjpeg_cqt[i]<<3);
|
|||
|
|
RTjpeg_lqt[i]=((1<<16)/RTjpeg_liqt[i])>>3;
|
|||
|
|
RTjpeg_cqt[i]=((1<<16)/RTjpeg_ciqt[i])>>3;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
RTjpeg_lb8=0;
|
|||
|
|
while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8);
|
|||
|
|
RTjpeg_lb8--;
|
|||
|
|
RTjpeg_cb8=0;
|
|||
|
|
while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8);
|
|||
|
|
RTjpeg_cb8--;
|
|||
|
|
|
|||
|
|
RTjpeg_dct_init();
|
|||
|
|
RTjpeg_idct_init();
|
|||
|
|
RTjpeg_quant_init();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
|
|||
|
|
External Function
|
|||
|
|
|
|||
|
|
Initialise compression.
|
|||
|
|
|
|||
|
|
Input: buf -> pointer to 128 ints for quant values store to pass back to
|
|||
|
|
init_decompress.
|
|||
|
|
width -> width of image
|
|||
|
|
height -> height of image
|
|||
|
|
Q -> quality factor (192=best, 32=worst)
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
void RTjpeg_init_compress(__u32 *buf, int width, int height, __u8 Q)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
__u64 qual;
|
|||
|
|
|
|||
|
|
RTjpeg_init_data();
|
|||
|
|
|
|||
|
|
RTjpeg_width=width;
|
|||
|
|
RTjpeg_height=height;
|
|||
|
|
RTjpeg_Ywidth = RTjpeg_width>>3;
|
|||
|
|
RTjpeg_Ysize=width * height;
|
|||
|
|
RTjpeg_Cwidth = RTjpeg_width>>4;
|
|||
|
|
RTjpeg_Csize= (width>>1) * height;
|
|||
|
|
|
|||
|
|
qual=(__u64)Q<<(32-7); /* 32 bit FP, 255=2, 0=0 */
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
{
|
|||
|
|
RTjpeg_lqt[i]=(__s32)((qual/((__u64)RTjpeg_lum_quant_tbl[i]<<16))>>3);
|
|||
|
|
if(RTjpeg_lqt[i]==0)RTjpeg_lqt[i]=1;
|
|||
|
|
RTjpeg_cqt[i]=(__s32)((qual/((__u64)RTjpeg_chrom_quant_tbl[i]<<16))>>3);
|
|||
|
|
if(RTjpeg_cqt[i]==0)RTjpeg_cqt[i]=1;
|
|||
|
|
RTjpeg_liqt[i]=(1<<16)/(RTjpeg_lqt[i]<<3);
|
|||
|
|
RTjpeg_ciqt[i]=(1<<16)/(RTjpeg_cqt[i]<<3);
|
|||
|
|
RTjpeg_lqt[i]=((1<<16)/RTjpeg_liqt[i])>>3;
|
|||
|
|
RTjpeg_cqt[i]=((1<<16)/RTjpeg_ciqt[i])>>3;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
RTjpeg_lb8=0;
|
|||
|
|
while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8);
|
|||
|
|
RTjpeg_lb8--;
|
|||
|
|
RTjpeg_cb8=0;
|
|||
|
|
while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8);
|
|||
|
|
RTjpeg_cb8--;
|
|||
|
|
|
|||
|
|
RTjpeg_dct_init();
|
|||
|
|
RTjpeg_quant_init();
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
buf[i]=RTjpeg_liqt[i];
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
buf[64+i]=RTjpeg_ciqt[i];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_init_decompress(__u32 *buf, int width, int height)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
|
|||
|
|
RTjpeg_init_data();
|
|||
|
|
|
|||
|
|
RTjpeg_width=width;
|
|||
|
|
RTjpeg_height=height;
|
|||
|
|
RTjpeg_Ywidth = RTjpeg_width>>3;
|
|||
|
|
RTjpeg_Ysize=width * height;
|
|||
|
|
RTjpeg_Cwidth = RTjpeg_width>>4;
|
|||
|
|
RTjpeg_Csize= (width>>1) * height;
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
{
|
|||
|
|
RTjpeg_liqt[i]=buf[i];
|
|||
|
|
RTjpeg_ciqt[i]=buf[i+64];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
RTjpeg_lb8=0;
|
|||
|
|
while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8);
|
|||
|
|
RTjpeg_lb8--;
|
|||
|
|
RTjpeg_cb8=0;
|
|||
|
|
while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8);
|
|||
|
|
RTjpeg_cb8--;
|
|||
|
|
|
|||
|
|
RTjpeg_idct_init();
|
|||
|
|
|
|||
|
|
// RTjpeg_color_init();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int RTjpeg_compressYUV420(__s8 *sp, unsigned char *bp)
|
|||
|
|
{
|
|||
|
|
__s8 * sb;
|
|||
|
|
register __s8 * bp1 = bp + (RTjpeg_width<<3);
|
|||
|
|
register __s8 * bp2 = bp + RTjpeg_Ysize;
|
|||
|
|
register __s8 * bp3 = bp2 + (RTjpeg_Csize>>1);
|
|||
|
|
register int i, j, k;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
sb=sp;
|
|||
|
|
/* Y */
|
|||
|
|
for(i=RTjpeg_height>>1; i; i-=8)
|
|||
|
|
{
|
|||
|
|
for(j=0, k=0; j<RTjpeg_width; j+=16, k+=8)
|
|||
|
|
{
|
|||
|
|
RTjpeg_dctY(bp+j, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp+j+8, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp1+j, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp1+j+8, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp2+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp3+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<4;
|
|||
|
|
bp1+=RTjpeg_width<<4;
|
|||
|
|
bp2+=RTjpeg_width<<2;
|
|||
|
|
bp3+=RTjpeg_width<<2;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
return (sp-sb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int RTjpeg_compressYUV422(__s8 *sp, unsigned char *bp)
|
|||
|
|
{
|
|||
|
|
__s8 * sb;
|
|||
|
|
register __s8 * bp2 = bp + RTjpeg_Ysize;
|
|||
|
|
register __s8 * bp3 = bp2 + RTjpeg_Csize;
|
|||
|
|
register int i, j, k;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
sb=sp;
|
|||
|
|
/* Y */
|
|||
|
|
for(i=RTjpeg_height; i; i-=8)
|
|||
|
|
{
|
|||
|
|
for(j=0, k=0; j<RTjpeg_width; j+=16, k+=8)
|
|||
|
|
{
|
|||
|
|
RTjpeg_dctY(bp+j, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp+j+8, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp2+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp3+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<3;
|
|||
|
|
bp2+=RTjpeg_width<<2;
|
|||
|
|
bp3+=RTjpeg_width<<2;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
return (sp-sb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int RTjpeg_compress8(__s8 *sp, unsigned char *bp)
|
|||
|
|
{
|
|||
|
|
__s8 * sb;
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
sb=sp;
|
|||
|
|
/* Y */
|
|||
|
|
for(i=0; i<RTjpeg_height; i+=8)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=8)
|
|||
|
|
{
|
|||
|
|
RTjpeg_dctY(bp+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
return (sp-sb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_decompressYUV422(__s8 *sp, __u8 *bp)
|
|||
|
|
{
|
|||
|
|
register __s8 * bp2 = bp + RTjpeg_Ysize;
|
|||
|
|
register __s8 * bp3 = bp2 + (RTjpeg_Csize);
|
|||
|
|
int i, j,k;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/* Y */
|
|||
|
|
for(i=RTjpeg_height; i; i-=8)
|
|||
|
|
{
|
|||
|
|
for(k=0, j=0; j<RTjpeg_width; j+=16, k+=8) {
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp+j+8, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
|||
|
|
RTjpeg_idct(bp2+k, RTjpeg_block, RTjpeg_width>>1);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
|||
|
|
RTjpeg_idct(bp3+k, RTjpeg_block, RTjpeg_width>>1);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<3;
|
|||
|
|
bp2+=RTjpeg_width<<2;
|
|||
|
|
bp3+=RTjpeg_width<<2;
|
|||
|
|
}
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_decompressYUV420(__s8 *sp, __u8 *bp)
|
|||
|
|
{
|
|||
|
|
register __s8 * bp1 = bp + (RTjpeg_width<<3);
|
|||
|
|
register __s8 * bp2 = bp + RTjpeg_Ysize;
|
|||
|
|
register __s8 * bp3 = bp2 + (RTjpeg_Csize>>1);
|
|||
|
|
int i, j,k;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/* Y */
|
|||
|
|
for(i=RTjpeg_height>>1; i; i-=8)
|
|||
|
|
{
|
|||
|
|
for(k=0, j=0; j<RTjpeg_width; j+=16, k+=8) {
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp+j+8, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp1+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp1+j+8, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
|||
|
|
RTjpeg_idct(bp2+k, RTjpeg_block, RTjpeg_width>>1);
|
|||
|
|
}
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
|||
|
|
RTjpeg_idct(bp3+k, RTjpeg_block, RTjpeg_width>>1);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<4;
|
|||
|
|
bp1+=RTjpeg_width<<4;
|
|||
|
|
bp2+=RTjpeg_width<<2;
|
|||
|
|
bp3+=RTjpeg_width<<2;
|
|||
|
|
}
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_decompress8(__s8 *sp, __u8 *bp)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/* Y */
|
|||
|
|
for(i=0; i<RTjpeg_height; i+=8)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=8)
|
|||
|
|
if(*sp==-1)sp++;
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
|||
|
|
RTjpeg_idct(bp+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<3;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
External Function
|
|||
|
|
|
|||
|
|
Initialise additional data structures for motion compensation
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
void RTjpeg_init_mcompress(void)
|
|||
|
|
{
|
|||
|
|
unsigned long tmp;
|
|||
|
|
|
|||
|
|
if(!RTjpeg_old)
|
|||
|
|
{
|
|||
|
|
RTjpeg_old=malloc((4*RTjpeg_width*RTjpeg_height)+32);
|
|||
|
|
tmp=(unsigned long)RTjpeg_old;
|
|||
|
|
tmp+=32;
|
|||
|
|
tmp=tmp>>5;
|
|||
|
|
RTjpeg_old=(__s16 *)(tmp<<5);
|
|||
|
|
}
|
|||
|
|
if (!RTjpeg_old)
|
|||
|
|
{
|
|||
|
|
fprintf(stderr, "RTjpeg: Could not allocate memory\n");
|
|||
|
|
exit(-1);
|
|||
|
|
}
|
|||
|
|
bzero(RTjpeg_old, ((4*RTjpeg_width*RTjpeg_height)));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
|
|||
|
|
int RTjpeg_bcomp(__s16 *old, mmx_t *mask)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
mmx_t *mold=(mmx_t *)old;
|
|||
|
|
mmx_t *mblock=(mmx_t *)RTjpeg_block;
|
|||
|
|
mmx_t result;
|
|||
|
|
static mmx_t neg=(mmx_t)(unsigned long long)0xffffffffffffffffULL;
|
|||
|
|
|
|||
|
|
movq_m2r(*mask, mm7);
|
|||
|
|
movq_m2r(neg, mm6);
|
|||
|
|
pxor_r2r(mm5, mm5);
|
|||
|
|
|
|||
|
|
for(i=0; i<8; i++)
|
|||
|
|
{
|
|||
|
|
movq_m2r(*(mblock++), mm0);
|
|||
|
|
movq_m2r(*(mblock++), mm2);
|
|||
|
|
movq_m2r(*(mold++), mm1);
|
|||
|
|
movq_m2r(*(mold++), mm3);
|
|||
|
|
psubsw_r2r(mm1, mm0);
|
|||
|
|
psubsw_r2r(mm3, mm2);
|
|||
|
|
movq_r2r(mm0, mm1);
|
|||
|
|
movq_r2r(mm2, mm3);
|
|||
|
|
pcmpgtw_r2r(mm7, mm0);
|
|||
|
|
pcmpgtw_r2r(mm7, mm2);
|
|||
|
|
pxor_r2r(mm6, mm1);
|
|||
|
|
pxor_r2r(mm6, mm3);
|
|||
|
|
pcmpgtw_r2r(mm7, mm1);
|
|||
|
|
pcmpgtw_r2r(mm7, mm3);
|
|||
|
|
por_r2r(mm0, mm5);
|
|||
|
|
por_r2r(mm2, mm5);
|
|||
|
|
por_r2r(mm1, mm5);
|
|||
|
|
por_r2r(mm3, mm5);
|
|||
|
|
}
|
|||
|
|
movq_r2m(mm5, result);
|
|||
|
|
|
|||
|
|
if(result.q)
|
|||
|
|
{
|
|||
|
|
if(!RTjpeg_mtest)
|
|||
|
|
for(i=0; i<16; i++)((__u64 *)old)[i]=((__u64 *)RTjpeg_block)[i];
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
// printf(".");
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#else
|
|||
|
|
int RTjpeg_bcomp(__s16 *old, __u16 *mask)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
|
|||
|
|
for(i=0; i<64; i++)
|
|||
|
|
if(abs(old[i]-RTjpeg_block[i])>*mask)
|
|||
|
|
{
|
|||
|
|
if(!RTjpeg_mtest)
|
|||
|
|
for(i=0; i<16; i++)((__u64 *)old)[i]=((__u64 *)RTjpeg_block)[i];
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
void RTjpeg_set_test(int i)
|
|||
|
|
{
|
|||
|
|
RTjpeg_mtest=i;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int RTjpeg_mcompress(__s8 *sp, unsigned char *bp, __u16 lmask, __u16 cmask)
|
|||
|
|
{
|
|||
|
|
__s8 * sb;
|
|||
|
|
__s16 *block;
|
|||
|
|
register __s8 * bp2;
|
|||
|
|
register __s8 * bp3;
|
|||
|
|
register int i, j, k;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
RTjpeg_lmask=(mmx_t)(((__u64)lmask<<48)|((__u64)lmask<<32)|((__u64)lmask<<16)|lmask);
|
|||
|
|
RTjpeg_cmask=(mmx_t)(((__u64)cmask<<48)|((__u64)cmask<<32)|((__u64)cmask<<16)|cmask);
|
|||
|
|
#else
|
|||
|
|
RTjpeg_lmask=lmask;
|
|||
|
|
RTjpeg_cmask=cmask;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
bp = bp - RTjpeg_width*0;
|
|||
|
|
bp2 = bp + RTjpeg_Ysize-RTjpeg_width*0;
|
|||
|
|
bp3 = bp2 + RTjpeg_Csize;
|
|||
|
|
|
|||
|
|
sb=sp;
|
|||
|
|
block=RTjpeg_old;
|
|||
|
|
/* Y */
|
|||
|
|
for(i=RTjpeg_height; i; i-=8)
|
|||
|
|
{
|
|||
|
|
for(j=0, k=0; j<RTjpeg_width; j+=16, k+=8)
|
|||
|
|
{
|
|||
|
|
RTjpeg_dctY(bp+j, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
if(RTjpeg_bcomp(block, &RTjpeg_lmask))
|
|||
|
|
{
|
|||
|
|
*((__u8 *)sp++)=255;
|
|||
|
|
}
|
|||
|
|
else sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
block+=64;
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp+j+8, RTjpeg_block, RTjpeg_Ywidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
if(RTjpeg_bcomp(block, &RTjpeg_lmask))
|
|||
|
|
{
|
|||
|
|
*((__u8 *)sp++)=255;
|
|||
|
|
}
|
|||
|
|
else sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
block+=64;
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp2+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
if(RTjpeg_bcomp(block, &RTjpeg_cmask))
|
|||
|
|
{
|
|||
|
|
*((__u8 *)sp++)=255;
|
|||
|
|
}
|
|||
|
|
else sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
block+=64;
|
|||
|
|
|
|||
|
|
RTjpeg_dctY(bp3+k, RTjpeg_block, RTjpeg_Cwidth);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_cqt);
|
|||
|
|
if(RTjpeg_bcomp(block, &RTjpeg_cmask))
|
|||
|
|
{
|
|||
|
|
*((__u8 *)sp++)=255;
|
|||
|
|
}
|
|||
|
|
else sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_cb8);
|
|||
|
|
block+=64;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<3;
|
|||
|
|
bp2+=RTjpeg_width<<2;
|
|||
|
|
bp3+=RTjpeg_width<<2;
|
|||
|
|
}
|
|||
|
|
//printf ("%d\n", block - RTjpeg_old);
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
return (sp-sb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int RTjpeg_mcompress8(__s8 *sp, unsigned char *bp, __u16 lmask)
|
|||
|
|
{
|
|||
|
|
__s8 * sb;
|
|||
|
|
__s16 *block;
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
RTjpeg_lmask=(mmx_t)(((__u64)lmask<<48)|((__u64)lmask<<32)|((__u64)lmask<<16)|lmask);
|
|||
|
|
#else
|
|||
|
|
RTjpeg_lmask=lmask;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
|
|||
|
|
sb=sp;
|
|||
|
|
block=RTjpeg_old;
|
|||
|
|
/* Y */
|
|||
|
|
for(i=0; i<RTjpeg_height; i+=8)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=8)
|
|||
|
|
{
|
|||
|
|
RTjpeg_dctY(bp+j, RTjpeg_block, RTjpeg_width);
|
|||
|
|
RTjpeg_quant(RTjpeg_block, RTjpeg_lqt);
|
|||
|
|
if(RTjpeg_bcomp(block, &RTjpeg_lmask))
|
|||
|
|
{
|
|||
|
|
*((__u8 *)sp++)=255;
|
|||
|
|
// printf("* %d ", sp[-1]);
|
|||
|
|
} else sp+=RTjpeg_b2s(RTjpeg_block, sp, RTjpeg_lb8);
|
|||
|
|
block+=64;
|
|||
|
|
}
|
|||
|
|
bp+=RTjpeg_width<<3;
|
|||
|
|
}
|
|||
|
|
#ifdef HAVE_LIBMMX
|
|||
|
|
emms();
|
|||
|
|
#endif
|
|||
|
|
return (sp-sb);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_color_init(void)
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#define KcrR 76284
|
|||
|
|
#define KcrG 53281
|
|||
|
|
#define KcbG 25625
|
|||
|
|
#define KcbB 132252
|
|||
|
|
#define Ky 76284
|
|||
|
|
|
|||
|
|
void RTjpeg_yuv422rgb(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
int tmp;
|
|||
|
|
int i, j;
|
|||
|
|
__s32 y, crR, crG, cbG, cbB;
|
|||
|
|
__u8 *bufcr, *bufcb, *bufy, *bufoute;
|
|||
|
|
int yskip;
|
|||
|
|
|
|||
|
|
yskip=RTjpeg_width;
|
|||
|
|
|
|||
|
|
bufcb=&buf[RTjpeg_width*RTjpeg_height];
|
|||
|
|
bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/2];
|
|||
|
|
bufy=&buf[0];
|
|||
|
|
bufoute=rgb;
|
|||
|
|
|
|||
|
|
for(i=0; i<(RTjpeg_height); i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=2)
|
|||
|
|
{
|
|||
|
|
crR=(*bufcr-128)*KcrR;
|
|||
|
|
crG=(*(bufcr++)-128)*KcrG;
|
|||
|
|
cbG=(*bufcb-128)*KcbG;
|
|||
|
|
cbB=(*(bufcb++)-128)*KcbB;
|
|||
|
|
|
|||
|
|
y=(bufy[j]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+1]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bufy+=yskip;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RTjpeg_yuv420rgb(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
int tmp;
|
|||
|
|
int i, j;
|
|||
|
|
__s32 y, crR, crG, cbG, cbB;
|
|||
|
|
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
|||
|
|
int oskip, yskip;
|
|||
|
|
|
|||
|
|
oskip=RTjpeg_width*3;
|
|||
|
|
yskip=RTjpeg_width;
|
|||
|
|
|
|||
|
|
bufcb=&buf[RTjpeg_width*RTjpeg_height];
|
|||
|
|
bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4];
|
|||
|
|
bufy=&buf[0];
|
|||
|
|
bufoute=rgb;
|
|||
|
|
bufouto=rgb+oskip;
|
|||
|
|
|
|||
|
|
for(i=0; i<(RTjpeg_height>>1); i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=2)
|
|||
|
|
{
|
|||
|
|
crR=(*bufcr-128)*KcrR;
|
|||
|
|
crG=(*(bufcr++)-128)*KcrG;
|
|||
|
|
cbG=(*bufcb-128)*KcbG;
|
|||
|
|
cbB=(*(bufcb++)-128)*KcbB;
|
|||
|
|
|
|||
|
|
y=(bufy[j]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+1]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+1+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bufoute+=oskip;
|
|||
|
|
bufouto+=oskip;
|
|||
|
|
bufy+=yskip<<1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void RTjpeg_yuvrgb32(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
int tmp;
|
|||
|
|
int i, j;
|
|||
|
|
__s32 y, crR, crG, cbG, cbB;
|
|||
|
|
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
|||
|
|
int oskip, yskip;
|
|||
|
|
|
|||
|
|
oskip=RTjpeg_width*4;
|
|||
|
|
yskip=RTjpeg_width;
|
|||
|
|
|
|||
|
|
bufcb=&buf[RTjpeg_width*RTjpeg_height];
|
|||
|
|
bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/2];
|
|||
|
|
bufy=&buf[0];
|
|||
|
|
bufoute=rgb;
|
|||
|
|
bufouto=rgb+oskip;
|
|||
|
|
|
|||
|
|
for(i=0; i<(RTjpeg_height>>1); i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=2)
|
|||
|
|
{
|
|||
|
|
crR=(*bufcr-128)*KcrR;
|
|||
|
|
crG=(*(bufcr++)-128)*KcrG;
|
|||
|
|
cbG=(*bufcb-128)*KcbG;
|
|||
|
|
cbB=(*(bufcb++)-128)*KcbB;
|
|||
|
|
|
|||
|
|
y=(bufy[j]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
bufoute++;
|
|||
|
|
|
|||
|
|
y=(bufy[j+1]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
bufoute++;
|
|||
|
|
|
|||
|
|
y=(bufy[j+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
bufouto++;
|
|||
|
|
|
|||
|
|
y=(bufy[j+1+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
bufouto++;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bufoute+=oskip;
|
|||
|
|
bufouto+=oskip;
|
|||
|
|
bufy+=yskip<<1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_yuvrgb24(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
int tmp;
|
|||
|
|
int i, j;
|
|||
|
|
__s32 y, crR, crG, cbG, cbB;
|
|||
|
|
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
|||
|
|
int oskip, yskip;
|
|||
|
|
|
|||
|
|
oskip=RTjpeg_width*3;
|
|||
|
|
yskip=RTjpeg_width;
|
|||
|
|
|
|||
|
|
bufcb=&buf[RTjpeg_width*RTjpeg_height];
|
|||
|
|
bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4];
|
|||
|
|
bufy=&buf[0];
|
|||
|
|
bufoute=rgb;
|
|||
|
|
bufouto=rgb+oskip;
|
|||
|
|
|
|||
|
|
for(i=0; i<(RTjpeg_height>>1); i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=2)
|
|||
|
|
{
|
|||
|
|
crR=(*bufcr-128)*KcrR;
|
|||
|
|
crG=(*(bufcr++)-128)*KcrG;
|
|||
|
|
cbG=(*bufcb-128)*KcbG;
|
|||
|
|
cbB=(*(bufcb++)-128)*KcbB;
|
|||
|
|
|
|||
|
|
y=(bufy[j]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+1]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
y=(bufy[j+1+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
*(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bufoute+=oskip;
|
|||
|
|
bufouto+=oskip;
|
|||
|
|
bufy+=yskip<<1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_yuvrgb16(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
int tmp;
|
|||
|
|
int i, j;
|
|||
|
|
__s32 y, crR, crG, cbG, cbB;
|
|||
|
|
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
|||
|
|
int oskip, yskip;
|
|||
|
|
unsigned char r, g, b;
|
|||
|
|
|
|||
|
|
oskip=RTjpeg_width*2;
|
|||
|
|
yskip=RTjpeg_width;
|
|||
|
|
|
|||
|
|
bufcb=&buf[RTjpeg_width*RTjpeg_height];
|
|||
|
|
bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4];
|
|||
|
|
bufy=&buf[0];
|
|||
|
|
bufoute=rgb;
|
|||
|
|
bufouto=rgb+oskip;
|
|||
|
|
|
|||
|
|
for(i=0; i<(RTjpeg_height>>1); i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j+=2)
|
|||
|
|
{
|
|||
|
|
crR=(*bufcr-128)*KcrR;
|
|||
|
|
crG=(*(bufcr++)-128)*KcrG;
|
|||
|
|
cbG=(*bufcb-128)*KcbG;
|
|||
|
|
cbB=(*(bufcb++)-128)*KcbB;
|
|||
|
|
|
|||
|
|
y=(bufy[j]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
b=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
g=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
r=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(int)((int)b >> 3);
|
|||
|
|
tmp|=(int)(((int)g >> 2) << 5);
|
|||
|
|
tmp|=(int)(((int)r >> 3) << 11);
|
|||
|
|
*(bufoute++)=tmp&0xff;
|
|||
|
|
*(bufoute++)=tmp>>8;
|
|||
|
|
|
|||
|
|
|
|||
|
|
y=(bufy[j+1]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
b=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
g=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
r=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(int)((int)b >> 3);
|
|||
|
|
tmp|=(int)(((int)g >> 2) << 5);
|
|||
|
|
tmp|=(int)(((int)r >> 3) << 11);
|
|||
|
|
*(bufoute++)=tmp&0xff;
|
|||
|
|
*(bufoute++)=tmp>>8;
|
|||
|
|
|
|||
|
|
y=(bufy[j+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
b=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
g=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
r=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(int)((int)b >> 3);
|
|||
|
|
tmp|=(int)(((int)g >> 2) << 5);
|
|||
|
|
tmp|=(int)(((int)r >> 3) << 11);
|
|||
|
|
*(bufouto++)=tmp&0xff;
|
|||
|
|
*(bufouto++)=tmp>>8;
|
|||
|
|
|
|||
|
|
y=(bufy[j+1+yskip]-16)*Ky;
|
|||
|
|
|
|||
|
|
tmp=(y+cbB)>>16;
|
|||
|
|
b=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y-crG-cbG)>>16;
|
|||
|
|
g=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(y+crR)>>16;
|
|||
|
|
r=(tmp>255)?255:((tmp<0)?0:tmp);
|
|||
|
|
tmp=(int)((int)b >> 3);
|
|||
|
|
tmp|=(int)(((int)g >> 2) << 5);
|
|||
|
|
tmp|=(int)(((int)r >> 3) << 11);
|
|||
|
|
*(bufouto++)=tmp&0xff;
|
|||
|
|
*(bufouto++)=tmp>>8;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
bufoute+=oskip;
|
|||
|
|
bufouto+=oskip;
|
|||
|
|
bufy+=yskip<<1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_yuvrgb8(__u8 *buf, __u8 *rgb)
|
|||
|
|
{
|
|||
|
|
bcopy(buf, rgb, RTjpeg_width*RTjpeg_height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_double32(__u32 *buf)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
__u32 *iptr, *optr1, *optr2;
|
|||
|
|
|
|||
|
|
iptr=buf+(RTjpeg_width*RTjpeg_height)-1;
|
|||
|
|
optr1=buf+(RTjpeg_width*RTjpeg_height*4)-1;
|
|||
|
|
optr2=optr1-(2*RTjpeg_width);
|
|||
|
|
|
|||
|
|
for(i=0; i<RTjpeg_height; i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j++)
|
|||
|
|
{
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr2--)=*iptr;
|
|||
|
|
*(optr2--)=*(iptr--);
|
|||
|
|
}
|
|||
|
|
optr2=optr2-2*RTjpeg_width;
|
|||
|
|
optr1=optr1-2*RTjpeg_width;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_double24(__u8 *buf)
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_double16(__u16 *buf)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
__u16 *iptr, *optr1, *optr2;
|
|||
|
|
|
|||
|
|
iptr=buf+(RTjpeg_width*RTjpeg_height)-1;
|
|||
|
|
optr1=buf+(RTjpeg_width*RTjpeg_height*4)-1;
|
|||
|
|
optr2=optr1-(2*RTjpeg_width);
|
|||
|
|
|
|||
|
|
for(i=0; i<RTjpeg_height; i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j++)
|
|||
|
|
{
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr2--)=*iptr;
|
|||
|
|
*(optr2--)=*(iptr--);
|
|||
|
|
}
|
|||
|
|
optr2=optr2-2*RTjpeg_width;
|
|||
|
|
optr1=optr1-2*RTjpeg_width;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RTjpeg_double8(__u8 *buf)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
|
|||
|
|
__u8 *iptr, *optr1, *optr2;
|
|||
|
|
|
|||
|
|
iptr=buf+(RTjpeg_width*RTjpeg_height)-1;
|
|||
|
|
optr1=buf+(RTjpeg_width*RTjpeg_height*4)-1;
|
|||
|
|
optr2=optr1-(2*RTjpeg_width);
|
|||
|
|
|
|||
|
|
for(i=0; i<RTjpeg_height; i++)
|
|||
|
|
{
|
|||
|
|
for(j=0; j<RTjpeg_width; j++)
|
|||
|
|
{
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr1--)=*iptr;
|
|||
|
|
*(optr2--)=*iptr;
|
|||
|
|
*(optr2--)=*(iptr--);
|
|||
|
|
}
|
|||
|
|
optr2=optr2-2*RTjpeg_width;
|
|||
|
|
optr1=optr1-2*RTjpeg_width;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|