59 |
#include "image.h" |
#include "image.h" |
60 |
#include "colorspace.h" |
#include "colorspace.h" |
61 |
#include "interpolate8x8.h" |
#include "interpolate8x8.h" |
62 |
|
#include "reduced.h" |
63 |
#include "../divx4.h" |
#include "../divx4.h" |
64 |
#include "../utils/mem_align.h" |
#include "../utils/mem_align.h" |
65 |
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|
324 |
h_ptr += 8; |
h_ptr += 8; |
325 |
} |
} |
326 |
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|
327 |
hv_ptr += EDGE_SIZE2; |
hv_ptr += EDGE_SIZE; |
328 |
h_ptr += EDGE_SIZE2; |
h_ptr += EDGE_SIZE; |
329 |
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|
330 |
hv_ptr += stride_add; |
hv_ptr += stride_add; |
331 |
h_ptr += stride_add; |
h_ptr += stride_add; |
476 |
} |
} |
477 |
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|
478 |
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|
479 |
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/* |
480 |
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chroma optimize filter, invented by mf |
481 |
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a chroma pixel is average from the surrounding pixels, when the |
482 |
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correpsonding luma pixels are pure black or white. |
483 |
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*/ |
484 |
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|
485 |
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void |
486 |
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image_chroma_optimize(IMAGE * img, int width, int height, int edged_width) |
487 |
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{ |
488 |
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int x,y; |
489 |
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int pixels = 0; |
490 |
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|
491 |
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for (y = 1; y < height/2 - 1; y++) |
492 |
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for (x = 1; x < width/2 - 1; x++) |
493 |
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{ |
494 |
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#define IS_PURE(a) ((a)<=16||(a)>=235) |
495 |
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#define IMG_Y(Y,X) img->y[(Y)*edged_width + (X)] |
496 |
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#define IMG_U(Y,X) img->u[(Y)*edged_width/2 + (X)] |
497 |
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#define IMG_V(Y,X) img->v[(Y)*edged_width/2 + (X)] |
498 |
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|
499 |
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if (IS_PURE(IMG_Y(y*2 ,x*2 )) && |
500 |
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IS_PURE(IMG_Y(y*2 ,x*2+1)) && |
501 |
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IS_PURE(IMG_Y(y*2+1,x*2 )) && |
502 |
|
IS_PURE(IMG_Y(y*2+1,x*2+1))) |
503 |
|
{ |
504 |
|
IMG_U(y,x) = (IMG_U(y,x-1) + IMG_U(y-1, x) + IMG_U(y, x+1) + IMG_U(y+1, x)) / 4; |
505 |
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IMG_V(y,x) = (IMG_V(y,x-1) + IMG_V(y-1, x) + IMG_V(y, x+1) + IMG_V(y+1, x)) / 4; |
506 |
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pixels++; |
507 |
|
} |
508 |
|
|
509 |
|
#undef IS_PURE |
510 |
|
#undef IMG_Y |
511 |
|
#undef IMG_U |
512 |
|
#undef IMG_V |
513 |
|
} |
514 |
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|
515 |
|
DPRINTF(DPRINTF_DEBUG,"chroma_optimized_pixels = %i/%i", pixels, width*height/4); |
516 |
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} |
517 |
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|
518 |
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|
519 |
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|
520 |
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|
521 |
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|
522 |
/* |
/* |
523 |
perform safe packed colorspace conversion, by splitting |
perform safe packed colorspace conversion, by splitting |
1098 |
sV += std2; |
sV += std2; |
1099 |
} |
} |
1100 |
} |
} |
1101 |
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|
1102 |
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1103 |
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/* reduced resolution deblocking filter */ |
1104 |
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void |
1105 |
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image_deblock_rrv(IMAGE * img, int edged_width, |
1106 |
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const MACROBLOCK * mbs, int mb_width, int mb_height, int mb_stride) |
1107 |
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{ |
1108 |
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const int edged_width2 = edged_width /2; |
1109 |
|
int i,j; |
1110 |
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|
1111 |
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/* horizontal deblocking */ |
1112 |
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|
1113 |
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for (j = 1; j < mb_height*2; j++) // luma: j,i in block units |
1114 |
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for (i = 0; i < mb_width*2; i++) |
1115 |
|
{ |
1116 |
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if (mbs[(j-1)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED || |
1117 |
|
mbs[(j+0)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED) |
1118 |
|
{ |
1119 |
|
xvid_HFilter_31_C(img->y + (j*16 - 1)*edged_width + i*16, |
1120 |
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img->y + (j*16 + 0)*edged_width + i*16, 2); |
1121 |
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} |
1122 |
|
} |
1123 |
|
|
1124 |
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for (j = 1; j < mb_height; j++) // chroma |
1125 |
|
for (i = 0; i < mb_width; i++) |
1126 |
|
{ |
1127 |
|
if (mbs[(j-1)*mb_stride + i].mode != MODE_NOT_CODED || |
1128 |
|
mbs[(j+0)*mb_stride + i].mode != MODE_NOT_CODED) |
1129 |
|
{ |
1130 |
|
hfilter_31(img->u + (j*16 - 1)*edged_width2 + i*16, |
1131 |
|
img->u + (j*16 + 0)*edged_width2 + i*16, 2); |
1132 |
|
hfilter_31(img->v + (j*16 - 1)*edged_width2 + i*16, |
1133 |
|
img->v + (j*16 + 0)*edged_width2 + i*16, 2); |
1134 |
|
} |
1135 |
|
} |
1136 |
|
|
1137 |
|
/* vertical deblocking */ |
1138 |
|
|
1139 |
|
for (j = 0; j < mb_height*2; j++) // luma: i,j in block units |
1140 |
|
for (i = 1; i < mb_width*2; i++) |
1141 |
|
{ |
1142 |
|
if (mbs[(j/2)*mb_stride + (i-1)/2].mode != MODE_NOT_CODED || |
1143 |
|
mbs[(j/2)*mb_stride + (i+0)/2].mode != MODE_NOT_CODED) |
1144 |
|
{ |
1145 |
|
vfilter_31(img->y + (j*16)*edged_width + i*16 - 1, |
1146 |
|
img->y + (j*16)*edged_width + i*16 + 0, |
1147 |
|
edged_width, 2); |
1148 |
|
} |
1149 |
|
} |
1150 |
|
|
1151 |
|
for (j = 0; j < mb_height; j++) // chroma |
1152 |
|
for (i = 1; i < mb_width; i++) |
1153 |
|
{ |
1154 |
|
if (mbs[j*mb_stride + i - 1].mode != MODE_NOT_CODED || |
1155 |
|
mbs[j*mb_stride + i + 0].mode != MODE_NOT_CODED) |
1156 |
|
{ |
1157 |
|
vfilter_31(img->u + (j*16)*edged_width2 + i*16 - 1, |
1158 |
|
img->u + (j*16)*edged_width2 + i*16 + 0, |
1159 |
|
edged_width2, 2); |
1160 |
|
vfilter_31(img->v + (j*16)*edged_width2 + i*16 - 1, |
1161 |
|
img->v + (j*16)*edged_width2 + i*16 + 0, |
1162 |
|
edged_width2, 2); |
1163 |
|
} |
1164 |
|
} |
1165 |
|
} |