51 |
* exception also makes it possible to release a modified version which |
* exception also makes it possible to release a modified version which |
52 |
* carries forward this exception. |
* carries forward this exception. |
53 |
* |
* |
54 |
* $Id: interpolate8x8.c,v 1.7 2002-11-26 23:44:10 edgomez Exp $ |
* $Id: interpolate8x8.c,v 1.8 2002-12-15 01:21:12 edgomez Exp $ |
55 |
* |
* |
56 |
****************************************************************************/ |
****************************************************************************/ |
57 |
|
|
77 |
for (j = 0; j < 8; j++) { |
for (j = 0; j < 8; j++) { |
78 |
for (i = 0; i < 8; i++) { |
for (i = 0; i < 8; i++) { |
79 |
|
|
80 |
int16_t tot = |
int32_t tot = |
81 |
(int32_t) src[j * stride + i] + (int32_t) src[j * stride + i + |
(int32_t) src[j * stride + i] + (int32_t) src[j * stride + i + 1]; |
|
1]; |
|
82 |
|
|
83 |
tot = (int32_t) ((tot + 1 - rounding) >> 1); |
tot = (tot + 1 - rounding) >> 1; |
84 |
dst[j * stride + i] = (uint8_t) tot; |
dst[j * stride + i] = (uint8_t) tot; |
85 |
} |
} |
86 |
} |
} |
98 |
|
|
99 |
for (j = 0; j < 8; j++) { |
for (j = 0; j < 8; j++) { |
100 |
for (i = 0; i < 8; i++) { |
for (i = 0; i < 8; i++) { |
101 |
int16_t tot = src[j * stride + i] + src[j * stride + i + stride]; |
int32_t tot = |
102 |
|
(int32_t)src[j * stride + i] + (int32_t)src[j * stride + i + stride]; |
103 |
|
|
104 |
tot = ((tot + 1 - rounding) >> 1); |
tot = ((tot + 1 - rounding) >> 1); |
105 |
dst[j * stride + i] = (uint8_t) tot; |
dst[j * stride + i] = (uint8_t) tot; |
118 |
|
|
119 |
for (j = 0; j < 8; j++) { |
for (j = 0; j < 8; j++) { |
120 |
for (i = 0; i < 8; i++) { |
for (i = 0; i < 8; i++) { |
121 |
int16_t tot = |
int32_t tot = |
122 |
src[j * stride + i] + src[j * stride + i + 1] + |
(int32_t)src[j * stride + i] + (int32_t)src[j * stride + i + 1] + |
123 |
src[j * stride + i + stride] + src[j * stride + i + stride + |
(int32_t)src[j * stride + i + stride] + (int32_t)src[j * stride + i + stride + 1]; |
|
1]; |
|
124 |
tot = ((tot + 2 - rounding) >> 2); |
tot = ((tot + 2 - rounding) >> 2); |
125 |
dst[j * stride + i] = (uint8_t) tot; |
dst[j * stride + i] = (uint8_t) tot; |
126 |
} |
} |
141 |
for (j = 0; j < 8; j++) { |
for (j = 0; j < 8; j++) { |
142 |
for (i = 0; i < 8; i++) { |
for (i = 0; i < 8; i++) { |
143 |
int32_t tot = |
int32_t tot = |
144 |
((src[(y + j) * stride + x + i] + |
(((int32_t)src[(y + j) * stride + x + i] + |
145 |
dst[(y + j) * stride + x + i] + 1) >> 1); |
(int32_t)dst[(y + j) * stride + x + i] + 1) >> 1); |
146 |
dst[(y + j) * stride + x + i] = (uint8_t) tot; |
dst[(y + j) * stride + x + i] = (uint8_t) tot; |
147 |
} |
} |
148 |
} |
} |
257 |
|
|
258 |
for(i = 0; i < 8; i++) |
for(i = 0; i < 8; i++) |
259 |
{ |
{ |
260 |
dst[0] = (src1[0] + src2[0] + (1 - rounding)) >> 1; |
dst[0] = (uint8_t)((src1[0] + src2[0] + (1 - rounding)) >> 1); |
261 |
dst[1] = (src1[1] + src2[1] + (1 - rounding)) >> 1; |
dst[1] = (uint8_t)((src1[1] + src2[1] + (1 - rounding)) >> 1); |
262 |
dst[2] = (src1[2] + src2[2] + (1 - rounding)) >> 1; |
dst[2] = (uint8_t)((src1[2] + src2[2] + (1 - rounding)) >> 1); |
263 |
dst[3] = (src1[3] + src2[3] + (1 - rounding)) >> 1; |
dst[3] = (uint8_t)((src1[3] + src2[3] + (1 - rounding)) >> 1); |
264 |
dst[4] = (src1[4] + src2[4] + (1 - rounding)) >> 1; |
dst[4] = (uint8_t)((src1[4] + src2[4] + (1 - rounding)) >> 1); |
265 |
dst[5] = (src1[5] + src2[5] + (1 - rounding)) >> 1; |
dst[5] = (uint8_t)((src1[5] + src2[5] + (1 - rounding)) >> 1); |
266 |
dst[6] = (src1[6] + src2[6] + (1 - rounding)) >> 1; |
dst[6] = (uint8_t)((src1[6] + src2[6] + (1 - rounding)) >> 1); |
267 |
dst[7] = (src1[7] + src2[7] + (1 - rounding)) >> 1; |
dst[7] = (uint8_t)((src1[7] + src2[7] + (1 - rounding)) >> 1); |
268 |
|
|
269 |
dst += dst_stride; |
dst += dst_stride; |
270 |
src1 += src_stride; |
src1 += src_stride; |
278 |
|
|
279 |
for(i = 0; i < 8; i++) |
for(i = 0; i < 8; i++) |
280 |
{ |
{ |
281 |
dst[0] = (src1[0] + src2[0] + src3[0] + src4[0] + (2 - rounding)) >> 2; |
dst[0] = (uint8_t)((src1[0] + src2[0] + src3[0] + src4[0] + (2 - rounding)) >> 2); |
282 |
dst[1] = (src1[1] + src2[1] + src3[1] + src4[1] + (2 - rounding)) >> 2; |
dst[1] = (uint8_t)((src1[1] + src2[1] + src3[1] + src4[1] + (2 - rounding)) >> 2); |
283 |
dst[2] = (src1[2] + src2[2] + src3[2] + src4[2] + (2 - rounding)) >> 2; |
dst[2] = (uint8_t)((src1[2] + src2[2] + src3[2] + src4[2] + (2 - rounding)) >> 2); |
284 |
dst[3] = (src1[3] + src2[3] + src3[3] + src4[3] + (2 - rounding)) >> 2; |
dst[3] = (uint8_t)((src1[3] + src2[3] + src3[3] + src4[3] + (2 - rounding)) >> 2); |
285 |
dst[4] = (src1[4] + src2[4] + src3[4] + src4[4] + (2 - rounding)) >> 2; |
dst[4] = (uint8_t)((src1[4] + src2[4] + src3[4] + src4[4] + (2 - rounding)) >> 2); |
286 |
dst[5] = (src1[5] + src2[5] + src3[5] + src4[5] + (2 - rounding)) >> 2; |
dst[5] = (uint8_t)((src1[5] + src2[5] + src3[5] + src4[5] + (2 - rounding)) >> 2); |
287 |
dst[6] = (src1[6] + src2[6] + src3[6] + src4[6] + (2 - rounding)) >> 2; |
dst[6] = (uint8_t)((src1[6] + src2[6] + src3[6] + src4[6] + (2 - rounding)) >> 2); |
288 |
dst[7] = (src1[7] + src2[7] + src3[7] + src4[7] + (2 - rounding)) >> 2; |
dst[7] = (uint8_t)((src1[7] + src2[7] + src3[7] + src4[7] + (2 - rounding)) >> 2); |
289 |
|
|
290 |
dst += stride; |
dst += stride; |
291 |
src1 += stride; |
src1 += stride; |