📄 reconstruct.c
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/*
*********************************************************************
* File name: reconstruct.c
* Version: 5.0(release v1.0) Date: Jan 12, 2006
* Author: xiezm Email: xiezm@wxintech.cn
* Company: Wuxi Intech co., ltd.
*
* Project: Jpeg Decoder for Trio
*********************************************************************
*/
#define RECONSTRUCT_GLOBALS
#include "cf6_chess.h"
#include "djpg.h"
const int chess_storage(YMEM) reconstruct_idx_2x2[128] = {
0, 1, 2, 3, 0, 1, 2, 3, 8, 9,10,11, 8, 9,10,11,
16,17,18,19,16,17,18,19,24,25,26,27,24,25,26,27,
4, 5, 6, 7, 4, 5, 6, 7,12,13,14,15,12,13,14,15,
20,21,22,23,20,21,22,23,28,29,30,31,28,29,30,31,
32,33,34,35,32,33,34,35,40,41,42,43,40,41,42,43,
48,49,50,51,48,49,50,51,56,57,58,59,56,57,58,59,
36,37,38,39,36,37,38,39,44,45,46,47,44,45,46,47,
52,53,54,55,52,53,54,55,60,61,62,63,60,61,62,63
};
const int chess_storage(YMEM) reconstruct_idx_2x1[64] = {
0, 1, 2, 3, 8, 9,10,11,16,17,18,19,24,25,26,27,
32,33,34,35,40,41,42,43,48,49,50,51,56,57,58,59,
4, 5, 6, 7,12,13,14,15,20,21,22,23,28,29,30,31,
36,37,38,39,44,45,46,47,52,53,54,55,60,61,62,63
};
int chess_storage(YMEM) CCbB[128] = {
-57, -57, -57, -57, -57, -57, -57, -57,
-57, -57, -57, -57, -57, -57, -57, -57,
-57, -57, -57, -57, -57, -57, -57, -57,
-57, -57, -57, -57, -57, -57, -57, -57,
-57, -55, -54, -52, -50, -48, -47, -45,
-43, -41, -40, -38, -36, -34, -32, -31,
-29, -27, -25, -24, -22, -20, -18, -16,
-15, -13, -11, -9, -8, -6, -4, -2,
0, 1, 3, 5, 7, 8, 10, 12,
14, 15, 17, 19, 21, 23, 24, 26,
28, 30, 31, 33, 35, 37, 39, 40,
42, 44, 46, 47, 49, 51, 53, 54,
54, 54, 54, 54, 54, 54, 54, 54,
54, 54, 54, 54, 54, 54, 54, 54,
54, 54, 54, 54, 54, 54, 54, 54,
54, 54, 54, 54, 54, 54, 54, 54};
int chess_storage(YMEM) CCbG[128] = {
11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11,
11, 10, 10, 9, 9, 9, 8, 8,
8, 7, 7, 7, 6, 6, 6, 5,
5, 5, 4, 4, 4, 3, 3, 3,
2, 2, 2, 1, 1, 1, 0, 0,
0, -1, -1, -2, -2, -2, -3, -3,
-3, -4, -4, -4, -5, -5, -5, -6,
-6, -6, -7, -7, -7, -8, -8, -8,
-9, -9, -9, -10, -10, -10, -11, -11,
-11, -11, -11, -11, -11, -11, -11, -11,
-11, -11, -11, -11, -11, -11, -11, -11,
-11, -11, -11, -11, -11, -11, -11, -11,
-11, -11, -11, -11, -11, -11, -11, -11};
int chess_storage(YMEM) CCrG[128] = {
22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22,
22, 22, 21, 20, 20, 19, 18, 17,
17, 16, 15, 15, 14, 13, 12, 12,
11, 10, 10, 9, 8, 7, 7, 6,
5, 5, 4, 3, 2, 2, 1, 0,
0, -1, -2, -3, -3, -4, -5, -6,
-6, -7, -8, -8, -9, -10, -11, -11,
-12, -13, -13, -14, -15, -16, -16, -17,
-18, -18, -19, -20, -21, -21, -22, -23,
-23, -23, -23, -23, -23, -23, -23, -23,
-23, -23, -23, -23, -23, -23, -23, -23,
-23, -23, -23, -23, -23, -23, -23, -23,
-23, -23, -23, -23, -23, -23, -23, -23};
int chess_storage(YMEM) CCrR[128] = {
-45, -45, -45, -45, -45, -45, -45, -45,
-45, -45, -45, -45, -45, -45, -45, -45,
-45, -45, -45, -45, -45, -45, -45, -45,
-45, -45, -45, -45, -45, -45, -45, -45,
-45, -44, -43, -41, -40, -38, -37, -36,
-34, -33, -31, -30, -29, -27, -26, -24,
-23, -22, -20, -19, -17, -16, -15, -13,
-12, -10, -9, -8, -6, -5, -3, -2,
0, 1, 2, 4, 5, 7, 8, 9,
11, 12, 14, 15, 16, 18, 19, 21,
22, 23, 25, 26, 28, 29, 30, 32,
33, 35, 36, 37, 39, 40, 42, 43,
43, 43, 43, 43, 43, 43, 43, 43,
43, 43, 43, 43, 43, 43, 43, 43,
43, 43, 43, 43, 43, 43, 43, 43,
43, 43, 43, 43, 43, 43, 43, 43};
int chess_storage(YMEM) YYYC[128] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63,
63, 63, 63, 63, 63, 63, 63, 63,
63, 63, 63, 63, 63, 63, 63, 63,
63, 63, 63, 63, 63, 63, 63, 63,
63, 63, 63, 63, 63, 63, 63, 63};
void decode_mcu_2x1(void)
{
int i;
int R, G, B;
//Y
decode_data_unit(0, 0);
decode_data_unit(0, 1);
//Cb
decode_data_unit(1, 4);
//Cr
decode_data_unit(2, 5);
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<64;i++)
{
R = G = B = *reconstruct_prt + 32;
R += ((reconstruc_buffer[5][reconstruct_idx_2x1[i]]*INT_P359)>>8);
B += ((reconstruc_buffer[4][reconstruct_idx_2x1[i]]*INT_P454)>>8);
G += ((reconstruc_buffer[5][reconstruct_idx_2x1[i]]*INT_M183)>>8);
G += ((reconstruc_buffer[4][reconstruct_idx_2x1[i]]*INT_M88)>>8);
B=cellingB[B];
R=cellingR[R];
G=cellingG[G];
*reconstruct_prt++ = R|G|B;
R = G = B = *reconstruct_prt + 32;
R += ((reconstruc_buffer[5][reconstruct_idx_2x1[i]]*INT_P359)>>8);
B += ((reconstruc_buffer[4][reconstruct_idx_2x1[i]]*INT_P454)>>8);
G += ((reconstruc_buffer[5][reconstruct_idx_2x1[i]]*INT_M183)>>8);
G += ((reconstruc_buffer[4][reconstruct_idx_2x1[i]]*INT_M88)>>8);
B=cellingB[B];
R=cellingR[R];
G=cellingG[G];
*reconstruct_prt++ = R|G|B;
}
//output
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<128;i++)
{
#ifdef WIN32
fprintf(OUTPUT, "%6x\n", *reconstruct_prt++);
#else
OUTPUT = *reconstruct_prt++;
#endif
}
}
void decode_mcu_1x2(void)
{
int i, j;
int R, G, B;
//Y
decode_data_unit(0, 0);
decode_data_unit(0, 1);
//Cb
decode_data_unit(1, 4);
//Cr
decode_data_unit(2, 5);
reconstruct_prt = reconstruc_buffer[0];
for(j=0;j<64;)
{
for(i=0;i<8;i++)
{
R = G = B = *reconstruct_prt + 32;
R += ((reconstruc_buffer[5][j]*INT_P359)>>8);
B += ((reconstruc_buffer[4][j]*INT_P454)>>8);
G += ((reconstruc_buffer[5][j]*INT_M183)>>8);
G += ((reconstruc_buffer[4][j++]*INT_M88)>>8);
B=cellingB[B];
R=cellingR[R];
G=cellingG[G];
*reconstruct_prt++ = R|G|B;
}
j -= 8;
for(i=0;i<8;i++)
{
R = G = B = *reconstruct_prt + 32;
R += ((reconstruc_buffer[5][j]*INT_P359)>>8);
B += ((reconstruc_buffer[4][j]*INT_P454)>>8);
G += ((reconstruc_buffer[5][j]*INT_M183)>>8);
G += ((reconstruc_buffer[4][j++]*INT_M88)>>8);
B=cellingB[B];
R=cellingR[R];
G=cellingG[G];
*reconstruct_prt++ = R|G|B;
}
}
//output
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<128;i++)
{
#ifdef WIN32
fprintf(OUTPUT, "%6x\n", *reconstruct_prt++);
#else
OUTPUT = *reconstruct_prt++;
#endif
}
}
void decode_mcu_1x1(void)
{
int R, G, B;
int i;
//Y
decode_data_unit(0, 0);
//Cb
decode_data_unit(1, 4);
//Cr
decode_data_unit(2, 5);
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<64;i++)
{
R = G = B = *reconstruct_prt + 32;
R += ((reconstruc_buffer[5][i]*INT_P359)>>8);
B += ((reconstruc_buffer[4][i]*INT_P454)>>8);
G += ((reconstruc_buffer[5][i]*INT_M183)>>8);
G += ((reconstruc_buffer[4][i]*INT_M88)>>8);
R=cellingR[R];
G=cellingG[G];
B=cellingB[B];
*reconstruct_prt++ = R|G|B;
}
//output
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<64;i++)
{
#ifdef WIN32
fprintf(OUTPUT, "%6x\n", *reconstruct_prt++);
#else
OUTPUT = *reconstruct_prt++;
#endif
}
}
int decode_mcu_2x2(void)
{
int i,j;
int iRet;
int YYY, CCb, CCr;
unsigned int pix;
//Y
iRet = decode_data_unit(0, 0);
if(iRet != 0)
{
return 1;
}
iRet = decode_data_unit(0, 1);
if(iRet != 0)
{
return 1;
}
iRet = decode_data_unit(0, 2);
if(iRet != 0)
{
return 1;
}
iRet = decode_data_unit(0, 3);
if(iRet != 0)
{
return 1;
}
//Cb
iRet = decode_data_unit(1, 4);
if(iRet != 0)
{
return 1;
}
//Cr
iRet = decode_data_unit(2, 5);
if(iRet != 0)
{
return 1;
}
#if 1
reconstruct_prt = reconstruc_buffer[0];
for(i=0;i<128;i++)
{
CCb = reconstruc_buffer[4][reconstruct_idx_2x2[i]];
CCr = reconstruc_buffer[5][reconstruct_idx_2x2[i]];
YYY = *reconstruct_prt + 128;
pix = cellingB[YYY + ((CCb*INT_P454)>>8)];
pix |= cellingG[YYY + ((CCb*INT_M88)>>8) + ((CCr*INT_M183)>>8)];
pix |= cellingR[YYY + ((CCr*INT_P359)>>8)];
*reconstruct_prt++ = pix;
YYY = *reconstruct_prt + 128;
pix = cellingB[YYY + ((CCb*INT_P454)>>8)];
pix |= cellingG[YYY + ((CCb*INT_M88)>>8) + ((CCr*INT_M183)>>8)];
pix |= cellingR[YYY + ((CCr*INT_P359)>>8)];
*reconstruct_prt++ = pix;
}
#endif
//output
for(i=0;i<256;i++)
{
#ifdef WIN32
fprintf(OUTPUT, "%d\n", *reconstruct_prt++);
#else
OUTPUT = *reconstruct_prt++;
#endif
}
return 0;
}
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