41 int thresh, map, order, sharp,
twoway;
47 #define OFFSET(x) offsetof(KerndeintContext, x)
48 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
63 const char const * shorthand[] = {
"thresh",
"map",
"order",
"sharp",
"twoway",
NULL };
65 kerndeint->
class = &kerndeint_class;
81 static const enum PixelFormat pix_fmts[] = {
105 inlink->
w, inlink->
h, inlink->
format, 1);
108 memset(kerndeint->
tmp_data[0], 0, ret);
138 int src_linesize, psrc_linesize, dst_linesize, bwidth;
139 int x, y, plane, val, hi, lo,
g, h, n = kerndeint->
frame++;
142 const int thresh = kerndeint->
thresh;
143 const int order = kerndeint->
order;
144 const int map = kerndeint->
map;
145 const int sharp = kerndeint->
sharp;
146 const int twoway = kerndeint->
twoway;
158 for (plane = 0; inpic->
data[plane] && plane < 4; plane++) {
159 h = plane == 0 ? inlink->
h : inlink->
h >> kerndeint->
vsub;
162 srcp = srcp_saved = inpic->
data[plane];
163 src_linesize = inpic->
linesize[plane];
165 dstp = dstp_saved = outpic->
data[plane];
166 dst_linesize = outpic->
linesize[plane];
167 srcp = srcp_saved + (1 - order) * src_linesize;
168 dstp = dstp_saved + (1 - order) * dst_linesize;
170 for (y = 0; y < h; y += 2) {
171 memcpy(dstp, srcp, bwidth);
172 srcp += 2 * src_linesize;
173 dstp += 2 * dst_linesize;
177 memcpy(dstp_saved + order * dst_linesize, srcp_saved + (1 - order) * src_linesize, bwidth);
178 memcpy(dstp_saved + (2 + order ) * dst_linesize, srcp_saved + (3 - order) * src_linesize, bwidth);
179 memcpy(dstp_saved + (h - 2 + order) * dst_linesize, srcp_saved + (h - 1 - order) * src_linesize, bwidth);
180 memcpy(dstp_saved + (h - 4 + order) * dst_linesize, srcp_saved + (h - 3 - order) * src_linesize, bwidth);
184 prvp = kerndeint->
tmp_data[plane] + 5 * psrc_linesize - (1 - order) * psrc_linesize;
185 prvpp = prvp - psrc_linesize;
186 prvppp = prvp - 2 * psrc_linesize;
187 prvp4p = prvp - 4 * psrc_linesize;
188 prvpn = prvp + psrc_linesize;
189 prvpnn = prvp + 2 * psrc_linesize;
190 prvp4n = prvp + 4 * psrc_linesize;
192 srcp = srcp_saved + 5 * src_linesize - (1 - order) * src_linesize;
193 srcpp = srcp - src_linesize;
194 srcppp = srcp - 2 * src_linesize;
195 srcp3p = srcp - 3 * src_linesize;
196 srcp4p = srcp - 4 * src_linesize;
198 srcpn = srcp + src_linesize;
199 srcpnn = srcp + 2 * src_linesize;
200 srcp3n = srcp + 3 * src_linesize;
201 srcp4n = srcp + 4 * src_linesize;
203 dstp = dstp_saved + 5 * dst_linesize - (1 - order) * dst_linesize;
205 for (y = 5 - (1 - order); y <= h - 5 - (1 - order); y += 2) {
206 for (x = 0; x < bwidth; x++) {
207 if (thresh == 0 || n == 0 ||
208 (abs((
int)prvp[x] - (int)srcp[x]) > thresh) ||
209 (abs((
int)prvpp[x] - (int)srcpp[x]) > thresh) ||
210 (abs((
int)prvpn[x] - (int)srcpn[x]) > thresh)) {
222 dstp[x] = plane == 0 ? 235 : 128;
229 hi = x & 1 ? 240 : 235;
232 hi = plane == 0 ? 235 : 240;
238 valf = + 0.526 * ((int)srcpp[x] + (
int)srcpn[x])
239 + 0.170 * ((
int)srcp[x] + (int)prvp[x])
240 - 0.116 * ((int)srcppp[x] + (
int)srcpnn[x] + (int)prvppp[x] + (
int)prvpnn[x])
241 - 0.026 * ((
int)srcp3p[x] + (int)srcp3n[x])
242 + 0.031 * ((int)srcp4p[x] + (
int)srcp4n[x] + (int)prvp4p[x] + (
int)prvp4n[x]);
244 valf = + 0.526 * ((int)srcpp[x] + (
int)srcpn[x])
245 + 0.170 * ((
int)prvp[x])
246 - 0.116 * ((
int)prvppp[x] + (int)prvpnn[x])
247 - 0.026 * ((int)srcp3p[x] + (
int)srcp3n[x])
248 + 0.031 * ((
int)prvp4p[x] + (int)prvp4p[x]);
250 dstp[x] = av_clip(valf, lo, hi);
253 val = (8 * ((int)srcpp[x] + (
int)srcpn[x]) + 2 * ((
int)srcp[x] + (int)prvp[x])
254 - (int)(srcppp[x]) - (int)(srcpnn[x])
255 - (int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
257 val = (8 * ((int)srcpp[x] + (
int)srcpn[x]) + 2 * ((
int)prvp[x])
258 - (
int)(prvppp[x]) - (
int)(prvpnn[x])) >> 4;
260 dstp[x] = av_clip(val, lo, hi);
267 prvp += 2 * psrc_linesize;
268 prvpp += 2 * psrc_linesize;
269 prvppp += 2 * psrc_linesize;
270 prvpn += 2 * psrc_linesize;
271 prvpnn += 2 * psrc_linesize;
272 prvp4p += 2 * psrc_linesize;
273 prvp4n += 2 * psrc_linesize;
274 srcp += 2 * src_linesize;
275 srcpp += 2 * src_linesize;
276 srcppp += 2 * src_linesize;
277 srcp3p += 2 * src_linesize;
278 srcp4p += 2 * src_linesize;
279 srcpn += 2 * src_linesize;
280 srcpnn += 2 * src_linesize;
281 srcp3n += 2 * src_linesize;
282 srcp4n += 2 * src_linesize;
283 dstp += 2 * dst_linesize;
286 srcp = inpic->
data[plane];
322 .
inputs = kerndeint_inputs,
325 .priv_class = &kerndeint_class,