48 #define SHIFTUP(x,shift) (-((-(x))>>(shift)))
68 const uint8_t *src,
int src_stride,
71 uint32_t **sc = fp->
sc;
79 if (dst_stride == src_stride)
80 memcpy(dst, src, src_stride * height);
82 for (y = 0; y <
height; y++, dst += dst_stride, src += src_stride)
83 memcpy(dst, src, width);
87 for (y = 0; y < 2 * fp->
steps_y; y++)
88 memset(sc[y], 0,
sizeof(sc[y][0]) * (width + 2 * fp->
steps_x));
90 for (y = -fp->
steps_y; y < height + fp->steps_y; y++) {
94 memset(sr, 0,
sizeof(sr[0]) * (2 * fp->
steps_x - 1));
95 for (x = -fp->
steps_x; x < width + fp->steps_x; x++) {
96 tmp1 = x <= 0 ? src2[0] : x >= width ? src2[width-1] : src2[x];
97 for (z = 0; z < fp->
steps_x * 2; z += 2) {
98 tmp2 = sr[z + 0] + tmp1; sr[z + 0] = tmp1;
99 tmp1 = sr[z + 1] + tmp2; sr[z + 1] = tmp2;
101 for (z = 0; z < fp->
steps_y * 2; z += 2) {
102 tmp2 = sc[z + 0][x + fp->
steps_x] + tmp1; sc[z + 0][x + fp->
steps_x] = tmp1;
103 tmp1 = sc[z + 1][x + fp->
steps_x] + tmp2; sc[z + 1][x + fp->
steps_x] = tmp2;
109 res = (int32_t)*srx + ((((int32_t) * srx - (int32_t)((tmp1 + fp->
halfscale) >> fp->
scalebits)) * fp->
amount) >> 16);
110 *dsx = av_clip_uint8(res);
124 fp->
amount = amount * 65536.0;
135 int lmsize_x = 5, cmsize_x = 5;
136 int lmsize_y = 5, cmsize_y = 5;
137 double lamount = 1.0f, camount = 0.0f;
140 sscanf(args,
"%d:%d:%lf:%d:%d:%lf", &lmsize_x, &lmsize_y, &lamount,
141 &cmsize_x, &cmsize_y, &camount);
143 if ((lamount && (lmsize_x < 2 || lmsize_y < 2)) ||
144 (camount && (cmsize_x < 2 || cmsize_y < 2))) {
146 "Invalid value <2 for lmsize_x:%d or lmsize_y:%d or cmsize_x:%d or cmsize_y:%d\n",
147 lmsize_x, lmsize_y, cmsize_x, cmsize_y);
175 effect = fp->
amount == 0 ?
"none" : fp->
amount < 0 ?
"blur" :
"sharpen";
177 av_log(ctx,
AV_LOG_INFO,
"effect:%s type:%s msize_x:%d msize_y:%d amount:%0.2f\n",
180 for (z = 0; z < 2 * fp->
steps_y; z++)
201 for (z = 0; z < 2 * fp->
steps_y; z++)