41 int thresh, map, order, sharp,
twoway;
49 #define OFFSET(x) offsetof(KerndeintContext, x)
50 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
71 static const enum PixelFormat pix_fmts[] = {
96 inlink->
w, inlink->
h, inlink->
format, 16);
99 memset(kerndeint->
tmp_data[0], 0, ret);
133 int src_linesize, psrc_linesize, dst_linesize, bwidth;
134 int x,
y, plane,
val, hi, lo,
g, h,
n = kerndeint->
frame++;
137 const int thresh = kerndeint->
thresh;
138 const int order = kerndeint->
order;
139 const int map = kerndeint->
map;
140 const int sharp = kerndeint->
sharp;
141 const int twoway = kerndeint->
twoway;
153 for (plane = 0; inpic->
data[plane] && plane < 4; plane++) {
157 srcp = srcp_saved = inpic->
data[plane];
158 src_linesize = inpic->
linesize[plane];
160 dstp = dstp_saved = outpic->
data[plane];
161 dst_linesize = outpic->
linesize[plane];
162 srcp = srcp_saved + (1 - order) * src_linesize;
163 dstp = dstp_saved + (1 - order) * dst_linesize;
165 for (y = 0; y < h; y += 2) {
166 memcpy(dstp, srcp, bwidth);
167 srcp += 2 * src_linesize;
168 dstp += 2 * dst_linesize;
172 memcpy(dstp_saved + order * dst_linesize, srcp_saved + (1 - order) * src_linesize, bwidth);
173 memcpy(dstp_saved + (2 + order ) * dst_linesize, srcp_saved + (3 - order) * src_linesize, bwidth);
174 memcpy(dstp_saved + (h - 2 + order) * dst_linesize, srcp_saved + (h - 1 - order) * src_linesize, bwidth);
175 memcpy(dstp_saved + (h - 4 + order) * dst_linesize, srcp_saved + (h - 3 - order) * src_linesize, bwidth);
179 prvp = kerndeint->
tmp_data[plane] + 5 * psrc_linesize - (1 - order) * psrc_linesize;
180 prvpp = prvp - psrc_linesize;
181 prvppp = prvp - 2 * psrc_linesize;
182 prvp4p = prvp - 4 * psrc_linesize;
183 prvpn = prvp + psrc_linesize;
184 prvpnn = prvp + 2 * psrc_linesize;
185 prvp4n = prvp + 4 * psrc_linesize;
187 srcp = srcp_saved + 5 * src_linesize - (1 - order) * src_linesize;
188 srcpp = srcp - src_linesize;
189 srcppp = srcp - 2 * src_linesize;
190 srcp3p = srcp - 3 * src_linesize;
191 srcp4p = srcp - 4 * src_linesize;
193 srcpn = srcp + src_linesize;
194 srcpnn = srcp + 2 * src_linesize;
195 srcp3n = srcp + 3 * src_linesize;
196 srcp4n = srcp + 4 * src_linesize;
198 dstp = dstp_saved + 5 * dst_linesize - (1 - order) * dst_linesize;
200 for (y = 5 - (1 - order); y <= h - 5 - (1 - order); y += 2) {
201 for (x = 0; x < bwidth; x++) {
202 if (thresh == 0 || n == 0 ||
203 (abs((
int)prvp[x] - (int)srcp[x]) > thresh) ||
204 (abs((
int)prvpp[x] - (int)srcpp[x]) > thresh) ||
205 (abs((
int)prvpn[x] - (int)srcpn[x]) > thresh)) {
217 dstp[x] = plane == 0 ? 235 : 128;
224 hi = x & 1 ? 240 : 235;
227 hi = plane == 0 ? 235 : 240;
233 valf = + 0.526 * ((int)srcpp[x] + (
int)srcpn[x])
234 + 0.170 * ((
int)srcp[x] + (int)prvp[x])
235 - 0.116 * ((int)srcppp[x] + (
int)srcpnn[x] + (int)prvppp[x] + (
int)prvpnn[x])
236 - 0.026 * ((
int)srcp3p[x] + (int)srcp3n[x])
237 + 0.031 * ((int)srcp4p[x] + (
int)srcp4n[x] + (int)prvp4p[x] + (
int)prvp4n[x]);
239 valf = + 0.526 * ((int)srcpp[x] + (
int)srcpn[x])
240 + 0.170 * ((
int)prvp[x])
241 - 0.116 * ((
int)prvppp[x] + (int)prvpnn[x])
242 - 0.026 * ((int)srcp3p[x] + (
int)srcp3n[x])
243 + 0.031 * ((
int)prvp4p[x] + (int)prvp4p[x]);
245 dstp[x] = av_clip(valf, lo, hi);
248 val = (8 * ((int)srcpp[x] + (
int)srcpn[x]) + 2 * ((
int)srcp[x] + (int)prvp[x])
249 - (int)(srcppp[x]) - (int)(srcpnn[x])
250 - (int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
252 val = (8 * ((int)srcpp[x] + (
int)srcpn[x]) + 2 * ((
int)prvp[x])
253 - (
int)(prvppp[x]) - (
int)(prvpnn[x])) >> 4;
255 dstp[x] = av_clip(val, lo, hi);
262 prvp += 2 * psrc_linesize;
263 prvpp += 2 * psrc_linesize;
264 prvppp += 2 * psrc_linesize;
265 prvpn += 2 * psrc_linesize;
266 prvpnn += 2 * psrc_linesize;
267 prvp4p += 2 * psrc_linesize;
268 prvp4n += 2 * psrc_linesize;
269 srcp += 2 * src_linesize;
270 srcpp += 2 * src_linesize;
271 srcppp += 2 * src_linesize;
272 srcp3p += 2 * src_linesize;
273 srcp4p += 2 * src_linesize;
274 srcpn += 2 * src_linesize;
275 srcpnn += 2 * src_linesize;
276 srcp3n += 2 * src_linesize;
277 srcp4n += 2 * src_linesize;
278 dstp += 2 * dst_linesize;
281 srcp = inpic->
data[plane];
316 .
inputs = kerndeint_inputs,
319 .priv_class = &kerndeint_class,