| 1100 |
} |
} |
| 1101 |
|
|
| 1102 |
|
|
| 1103 |
/* reduced resolution deblocking filter */ |
void |
| 1104 |
|
image_clear(IMAGE * img, int width, int height, int edged_width, |
| 1105 |
|
int y, int u, int v) |
| 1106 |
|
{ |
| 1107 |
|
uint8_t * p; |
| 1108 |
|
int i; |
| 1109 |
|
|
| 1110 |
|
p = img->y; |
| 1111 |
|
for (i = 0; i < height; i++) { |
| 1112 |
|
memset(p, y, width); |
| 1113 |
|
p += edged_width; |
| 1114 |
|
} |
| 1115 |
|
|
| 1116 |
|
p = img->u; |
| 1117 |
|
for (i = 0; i < height/2; i++) { |
| 1118 |
|
memset(p, u, width/2); |
| 1119 |
|
p += edged_width/2; |
| 1120 |
|
} |
| 1121 |
|
|
| 1122 |
|
p = img->v; |
| 1123 |
|
for (i = 0; i < height/2; i++) { |
| 1124 |
|
memset(p, v, width/2); |
| 1125 |
|
p += edged_width/2; |
| 1126 |
|
} |
| 1127 |
|
} |
| 1128 |
|
|
| 1129 |
|
|
| 1130 |
|
/* reduced resolution deblocking filter |
| 1131 |
|
block = block size (16=rrv, 8=full resolution) |
| 1132 |
|
flags = XVID_DEC_YDEBLOCK|XVID_DEC_UVDEBLOCK |
| 1133 |
|
*/ |
| 1134 |
void |
void |
| 1135 |
image_deblock_rrv(IMAGE * img, int edged_width, |
image_deblock_rrv(IMAGE * img, int edged_width, |
| 1136 |
const MACROBLOCK * mbs, int mb_width, int mb_height, int mb_stride) |
const MACROBLOCK * mbs, int mb_width, int mb_height, int mb_stride, |
| 1137 |
|
int block, int flags) |
| 1138 |
{ |
{ |
| 1139 |
const int edged_width2 = edged_width /2; |
const int edged_width2 = edged_width /2; |
| 1140 |
|
const int nblocks = block / 8; /* skals code uses 8pixel block uints */ |
| 1141 |
int i,j; |
int i,j; |
| 1142 |
|
|
| 1143 |
/* horizontal deblocking */ |
/* luma: j,i in block units */ |
| 1144 |
|
if ((flags & XVID_DEC_DEBLOCKY)) |
| 1145 |
for (j = 1; j < mb_height*2; j++) // luma: j,i in block units |
{ |
| 1146 |
|
for (j = 1; j < mb_height*2; j++) /* horizontal deblocking */ |
| 1147 |
for (i = 0; i < mb_width*2; i++) |
for (i = 0; i < mb_width*2; i++) |
| 1148 |
{ |
{ |
| 1149 |
if (mbs[(j-1)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED || |
if (mbs[(j-1)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED || |
| 1150 |
mbs[(j+0)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED) |
mbs[(j+0)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED) |
| 1151 |
{ |
{ |
| 1152 |
xvid_HFilter_31_C(img->y + (j*16 - 1)*edged_width + i*16, |
xvid_HFilter_31_C(img->y + (j*block - 1)*edged_width + i*block, |
| 1153 |
img->y + (j*16 + 0)*edged_width + i*16, 2); |
img->y + (j*block + 0)*edged_width + i*block, nblocks); |
| 1154 |
} |
} |
| 1155 |
} |
} |
| 1156 |
|
|
| 1157 |
for (j = 1; j < mb_height; j++) // chroma |
for (j = 0; j < mb_height*2; j++) /* vertical deblocking */ |
|
for (i = 0; i < mb_width; i++) |
|
|
{ |
|
|
if (mbs[(j-1)*mb_stride + i].mode != MODE_NOT_CODED || |
|
|
mbs[(j+0)*mb_stride + i].mode != MODE_NOT_CODED) |
|
|
{ |
|
|
hfilter_31(img->u + (j*16 - 1)*edged_width2 + i*16, |
|
|
img->u + (j*16 + 0)*edged_width2 + i*16, 2); |
|
|
hfilter_31(img->v + (j*16 - 1)*edged_width2 + i*16, |
|
|
img->v + (j*16 + 0)*edged_width2 + i*16, 2); |
|
|
} |
|
|
} |
|
|
|
|
|
/* vertical deblocking */ |
|
|
|
|
|
for (j = 0; j < mb_height*2; j++) // luma: i,j in block units |
|
| 1158 |
for (i = 1; i < mb_width*2; i++) |
for (i = 1; i < mb_width*2; i++) |
| 1159 |
{ |
{ |
| 1160 |
if (mbs[(j/2)*mb_stride + (i-1)/2].mode != MODE_NOT_CODED || |
if (mbs[(j/2)*mb_stride + (i-1)/2].mode != MODE_NOT_CODED || |
| 1161 |
mbs[(j/2)*mb_stride + (i+0)/2].mode != MODE_NOT_CODED) |
mbs[(j/2)*mb_stride + (i+0)/2].mode != MODE_NOT_CODED) |
| 1162 |
{ |
{ |
| 1163 |
vfilter_31(img->y + (j*16)*edged_width + i*16 - 1, |
vfilter_31(img->y + (j*block)*edged_width + i*block - 1, |
| 1164 |
img->y + (j*16)*edged_width + i*16 + 0, |
img->y + (j*block)*edged_width + i*block + 0, |
| 1165 |
edged_width, 2); |
edged_width, nblocks); |
| 1166 |
|
} |
| 1167 |
} |
} |
| 1168 |
} |
} |
| 1169 |
|
|
| 1170 |
for (j = 0; j < mb_height; j++) // chroma |
|
| 1171 |
|
/* chroma */ |
| 1172 |
|
if ((flags & XVID_DEC_DEBLOCKUV)) |
| 1173 |
|
{ |
| 1174 |
|
for (j = 0; j < mb_height; j++) /* horizontal deblocking */ |
| 1175 |
for (i = 1; i < mb_width; i++) |
for (i = 1; i < mb_width; i++) |
| 1176 |
{ |
{ |
| 1177 |
if (mbs[j*mb_stride + i - 1].mode != MODE_NOT_CODED || |
if (mbs[j*mb_stride + i - 1].mode != MODE_NOT_CODED || |
| 1178 |
mbs[j*mb_stride + i + 0].mode != MODE_NOT_CODED) |
mbs[j*mb_stride + i + 0].mode != MODE_NOT_CODED) |
| 1179 |
{ |
{ |
| 1180 |
vfilter_31(img->u + (j*16)*edged_width2 + i*16 - 1, |
vfilter_31(img->u + (j*block)*edged_width2 + i*block - 1, |
| 1181 |
img->u + (j*16)*edged_width2 + i*16 + 0, |
img->u + (j*block)*edged_width2 + i*block + 0, |
| 1182 |
edged_width2, 2); |
edged_width2, nblocks); |
| 1183 |
vfilter_31(img->v + (j*16)*edged_width2 + i*16 - 1, |
vfilter_31(img->v + (j*block)*edged_width2 + i*block - 1, |
| 1184 |
img->v + (j*16)*edged_width2 + i*16 + 0, |
img->v + (j*block)*edged_width2 + i*block + 0, |
| 1185 |
edged_width2, 2); |
edged_width2, nblocks); |
| 1186 |
} |
} |
| 1187 |
} |
} |
| 1188 |
|
|
| 1189 |
|
for (j = 1; j < mb_height; j++) /* vertical deblocking */ |
| 1190 |
|
for (i = 0; i < mb_width; i++) |
| 1191 |
|
{ |
| 1192 |
|
if (mbs[(j-1)*mb_stride + i].mode != MODE_NOT_CODED || |
| 1193 |
|
mbs[(j+0)*mb_stride + i].mode != MODE_NOT_CODED) |
| 1194 |
|
{ |
| 1195 |
|
hfilter_31(img->u + (j*block - 1)*edged_width2 + i*block, |
| 1196 |
|
img->u + (j*block + 0)*edged_width2 + i*block, nblocks); |
| 1197 |
|
hfilter_31(img->v + (j*block - 1)*edged_width2 + i*block, |
| 1198 |
|
img->v + (j*block + 0)*edged_width2 + i*block, nblocks); |
| 1199 |
|
} |
| 1200 |
|
} |
| 1201 |
|
} |
| 1202 |
|
|
| 1203 |
} |
} |
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