| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2018 Paul B Mahol | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "libavutil/opt.h" | ||
| 22 | #include "libavutil/pixdesc.h" | ||
| 23 | |||
| 24 | #include "avfilter.h" | ||
| 25 | #include "filters.h" | ||
| 26 | #include "video.h" | ||
| 27 | |||
| 28 | typedef struct DedotContext { | ||
| 29 | const AVClass *class; | ||
| 30 | int m; | ||
| 31 | float lt; | ||
| 32 | float tl; | ||
| 33 | float tc; | ||
| 34 | float ct; | ||
| 35 | |||
| 36 | const AVPixFmtDescriptor *desc; | ||
| 37 | int depth; | ||
| 38 | int max; | ||
| 39 | int luma2d; | ||
| 40 | int lumaT; | ||
| 41 | int chromaT1; | ||
| 42 | int chromaT2; | ||
| 43 | |||
| 44 | int eof; | ||
| 45 | int eof_frames; | ||
| 46 | int nb_planes; | ||
| 47 | int planewidth[4]; | ||
| 48 | int planeheight[4]; | ||
| 49 | |||
| 50 | AVFrame *frames[5]; | ||
| 51 | |||
| 52 | int (*dedotcrawl)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | ||
| 53 | int (*derainbow)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | ||
| 54 | } DedotContext; | ||
| 55 | |||
| 56 | static const enum AVPixelFormat pixel_fmts[] = { | ||
| 57 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, | ||
| 58 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, | ||
| 59 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, | ||
| 60 | AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, | ||
| 61 | AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 62 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 63 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 64 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, | ||
| 65 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
| 66 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 67 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 68 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 69 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 70 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 71 | AV_PIX_FMT_NONE | ||
| 72 | }; | ||
| 73 | |||
| 74 | #define DEFINE_DEDOTCRAWL(name, type, div) \ | ||
| 75 | static int dedotcrawl##name(AVFilterContext *ctx, void *arg, \ | ||
| 76 | int jobnr, int nb_jobs) \ | ||
| 77 | { \ | ||
| 78 | DedotContext *s = ctx->priv; \ | ||
| 79 | AVFrame *out = arg; \ | ||
| 80 | int src_linesize = s->frames[2]->linesize[0] / div; \ | ||
| 81 | int dst_linesize = out->linesize[0] / div; \ | ||
| 82 | int p0_linesize = s->frames[0]->linesize[0] / div; \ | ||
| 83 | int p1_linesize = s->frames[1]->linesize[0] / div; \ | ||
| 84 | int p3_linesize = s->frames[3]->linesize[0] / div; \ | ||
| 85 | int p4_linesize = s->frames[4]->linesize[0] / div; \ | ||
| 86 | const int h = s->planeheight[0]; \ | ||
| 87 | int slice_start = (h * jobnr) / nb_jobs; \ | ||
| 88 | int slice_end = (h * (jobnr+1)) / nb_jobs; \ | ||
| 89 | type *p0 = (type *)s->frames[0]->data[0]; \ | ||
| 90 | type *p1 = (type *)s->frames[1]->data[0]; \ | ||
| 91 | type *p3 = (type *)s->frames[3]->data[0]; \ | ||
| 92 | type *p4 = (type *)s->frames[4]->data[0]; \ | ||
| 93 | type *src = (type *)s->frames[2]->data[0]; \ | ||
| 94 | type *dst = (type *)out->data[0]; \ | ||
| 95 | const int luma2d = s->luma2d; \ | ||
| 96 | const int lumaT = s->lumaT; \ | ||
| 97 | \ | ||
| 98 | if (!slice_start) { \ | ||
| 99 | slice_start++; \ | ||
| 100 | } \ | ||
| 101 | p0 += p0_linesize * slice_start; \ | ||
| 102 | p1 += p1_linesize * slice_start; \ | ||
| 103 | p3 += p3_linesize * slice_start; \ | ||
| 104 | p4 += p4_linesize * slice_start; \ | ||
| 105 | src += src_linesize * slice_start; \ | ||
| 106 | dst += dst_linesize * slice_start; \ | ||
| 107 | if (slice_end == h) { \ | ||
| 108 | slice_end--; \ | ||
| 109 | } \ | ||
| 110 | for (int y = slice_start; y < slice_end; y++) { \ | ||
| 111 | for (int x = 1; x < s->planewidth[0] - 1; x++) { \ | ||
| 112 | int above = src[x - src_linesize]; \ | ||
| 113 | int below = src[x + src_linesize]; \ | ||
| 114 | int cur = src[x]; \ | ||
| 115 | int left = src[x - 1]; \ | ||
| 116 | int right = src[x + 1]; \ | ||
| 117 | \ | ||
| 118 | if (FFABS(above + below - 2 * cur) <= luma2d && \ | ||
| 119 | FFABS(left + right - 2 * cur) <= luma2d) \ | ||
| 120 | continue; \ | ||
| 121 | \ | ||
| 122 | if (FFABS(cur - p0[x]) <= lumaT && \ | ||
| 123 | FFABS(cur - p4[x]) <= lumaT && \ | ||
| 124 | FFABS(p1[x] - p3[x]) <= lumaT) { \ | ||
| 125 | int diff1 = FFABS(cur - p1[x]); \ | ||
| 126 | int diff2 = FFABS(cur - p3[x]); \ | ||
| 127 | \ | ||
| 128 | if (diff1 < diff2) \ | ||
| 129 | dst[x] = (src[x] + p1[x] + 1) >> 1; \ | ||
| 130 | else \ | ||
| 131 | dst[x] = (src[x] + p3[x] + 1) >> 1; \ | ||
| 132 | } \ | ||
| 133 | } \ | ||
| 134 | \ | ||
| 135 | dst += dst_linesize; \ | ||
| 136 | src += src_linesize; \ | ||
| 137 | p0 += p0_linesize; \ | ||
| 138 | p1 += p1_linesize; \ | ||
| 139 | p3 += p3_linesize; \ | ||
| 140 | p4 += p4_linesize; \ | ||
| 141 | } \ | ||
| 142 | return 0; \ | ||
| 143 | } | ||
| 144 | |||
| 145 | ✗ | DEFINE_DEDOTCRAWL(8, uint8_t, 1) | |
| 146 | ✗ | DEFINE_DEDOTCRAWL(16, uint16_t, 2) | |
| 147 | |||
| 148 | typedef struct ThreadData { | ||
| 149 | AVFrame *out; | ||
| 150 | int plane; | ||
| 151 | } ThreadData; | ||
| 152 | |||
| 153 | #define DEFINE_DERAINBOW(name, type, div) \ | ||
| 154 | static int derainbow##name(AVFilterContext *ctx, void *arg, \ | ||
| 155 | int jobnr, int nb_jobs) \ | ||
| 156 | { \ | ||
| 157 | DedotContext *s = ctx->priv; \ | ||
| 158 | ThreadData *td = arg; \ | ||
| 159 | AVFrame *out = td->out; \ | ||
| 160 | const int plane = td->plane; \ | ||
| 161 | const int h = s->planeheight[plane]; \ | ||
| 162 | int slice_start = (h * jobnr) / nb_jobs; \ | ||
| 163 | int slice_end = (h * (jobnr+1)) / nb_jobs; \ | ||
| 164 | int src_linesize = s->frames[2]->linesize[plane] / div; \ | ||
| 165 | int dst_linesize = out->linesize[plane] / div; \ | ||
| 166 | int p0_linesize = s->frames[0]->linesize[plane] / div; \ | ||
| 167 | int p1_linesize = s->frames[1]->linesize[plane] / div; \ | ||
| 168 | int p3_linesize = s->frames[3]->linesize[plane] / div; \ | ||
| 169 | int p4_linesize = s->frames[4]->linesize[plane] / div; \ | ||
| 170 | type *p0 = (type *)s->frames[0]->data[plane]; \ | ||
| 171 | type *p1 = (type *)s->frames[1]->data[plane]; \ | ||
| 172 | type *p3 = (type *)s->frames[3]->data[plane]; \ | ||
| 173 | type *p4 = (type *)s->frames[4]->data[plane]; \ | ||
| 174 | type *src = (type *)s->frames[2]->data[plane]; \ | ||
| 175 | type *dst = (type *)out->data[plane]; \ | ||
| 176 | const int chromaT1 = s->chromaT1; \ | ||
| 177 | const int chromaT2 = s->chromaT2; \ | ||
| 178 | \ | ||
| 179 | p0 += slice_start * p0_linesize; \ | ||
| 180 | p1 += slice_start * p1_linesize; \ | ||
| 181 | p3 += slice_start * p3_linesize; \ | ||
| 182 | p4 += slice_start * p4_linesize; \ | ||
| 183 | src += slice_start * src_linesize; \ | ||
| 184 | dst += slice_start * dst_linesize; \ | ||
| 185 | for (int y = slice_start; y < slice_end; y++) { \ | ||
| 186 | for (int x = 0; x < s->planewidth[plane]; x++) { \ | ||
| 187 | int cur = src[x]; \ | ||
| 188 | \ | ||
| 189 | if (FFABS(cur - p0[x]) <= chromaT1 && \ | ||
| 190 | FFABS(cur - p4[x]) <= chromaT1 && \ | ||
| 191 | FFABS(p1[x] - p3[x]) <= chromaT1 && \ | ||
| 192 | FFABS(cur - p1[x]) > chromaT2 && \ | ||
| 193 | FFABS(cur - p3[x]) > chromaT2) { \ | ||
| 194 | int diff1 = FFABS(cur - p1[x]); \ | ||
| 195 | int diff2 = FFABS(cur - p3[x]); \ | ||
| 196 | \ | ||
| 197 | if (diff1 < diff2) \ | ||
| 198 | dst[x] = (src[x] + p1[x] + 1) >> 1; \ | ||
| 199 | else \ | ||
| 200 | dst[x] = (src[x] + p3[x] + 1) >> 1; \ | ||
| 201 | } \ | ||
| 202 | } \ | ||
| 203 | \ | ||
| 204 | dst += dst_linesize; \ | ||
| 205 | src += src_linesize; \ | ||
| 206 | p0 += p0_linesize; \ | ||
| 207 | p1 += p1_linesize; \ | ||
| 208 | p3 += p3_linesize; \ | ||
| 209 | p4 += p4_linesize; \ | ||
| 210 | } \ | ||
| 211 | return 0; \ | ||
| 212 | } | ||
| 213 | |||
| 214 | ✗ | DEFINE_DERAINBOW(8, uint8_t, 1) | |
| 215 | ✗ | DEFINE_DERAINBOW(16, uint16_t, 2) | |
| 216 | |||
| 217 | ✗ | static int config_output(AVFilterLink *outlink) | |
| 218 | { | ||
| 219 | ✗ | AVFilterContext *ctx = outlink->src; | |
| 220 | ✗ | DedotContext *s = ctx->priv; | |
| 221 | ✗ | AVFilterLink *inlink = ctx->inputs[0]; | |
| 222 | |||
| 223 | ✗ | s->desc = av_pix_fmt_desc_get(outlink->format); | |
| 224 | ✗ | if (!s->desc) | |
| 225 | ✗ | return AVERROR_BUG; | |
| 226 | ✗ | s->nb_planes = av_pix_fmt_count_planes(outlink->format); | |
| 227 | ✗ | s->depth = s->desc->comp[0].depth; | |
| 228 | ✗ | s->max = (1 << s->depth) - 1; | |
| 229 | ✗ | s->luma2d = s->lt * s->max; | |
| 230 | ✗ | s->lumaT = s->tl * s->max; | |
| 231 | ✗ | s->chromaT1 = s->tc * s->max; | |
| 232 | ✗ | s->chromaT2 = s->ct * s->max; | |
| 233 | |||
| 234 | ✗ | s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w); | |
| 235 | ✗ | s->planewidth[0] = s->planewidth[3] = inlink->w; | |
| 236 | |||
| 237 | ✗ | s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h); | |
| 238 | ✗ | s->planeheight[0] = s->planeheight[3] = inlink->h; | |
| 239 | |||
| 240 | ✗ | if (s->depth <= 8) { | |
| 241 | ✗ | s->dedotcrawl = dedotcrawl8; | |
| 242 | ✗ | s->derainbow = derainbow8; | |
| 243 | } else { | ||
| 244 | ✗ | s->dedotcrawl = dedotcrawl16; | |
| 245 | ✗ | s->derainbow = derainbow16; | |
| 246 | } | ||
| 247 | |||
| 248 | ✗ | return 0; | |
| 249 | } | ||
| 250 | |||
| 251 | ✗ | static int activate(AVFilterContext *ctx) | |
| 252 | { | ||
| 253 | ✗ | AVFilterLink *inlink = ctx->inputs[0]; | |
| 254 | ✗ | AVFilterLink *outlink = ctx->outputs[0]; | |
| 255 | ✗ | DedotContext *s = ctx->priv; | |
| 256 | ✗ | AVFrame *frame = NULL; | |
| 257 | int64_t pts; | ||
| 258 | int status; | ||
| 259 | ✗ | int ret = 0; | |
| 260 | |||
| 261 | ✗ | FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink); | |
| 262 | |||
| 263 | ✗ | if (s->eof == 0) { | |
| 264 | ✗ | ret = ff_inlink_consume_frame(inlink, &frame); | |
| 265 | ✗ | if (ret < 0) | |
| 266 | ✗ | return ret; | |
| 267 | } | ||
| 268 | ✗ | if (frame || s->eof_frames > 0) { | |
| 269 | ✗ | AVFrame *out = NULL; | |
| 270 | |||
| 271 | ✗ | if (frame) { | |
| 272 | ✗ | for (int i = 2; i < 5; i++) { | |
| 273 | ✗ | if (!s->frames[i]) | |
| 274 | ✗ | s->frames[i] = av_frame_clone(frame); | |
| 275 | } | ||
| 276 | ✗ | av_frame_free(&frame); | |
| 277 | ✗ | } else if (s->frames[3]) { | |
| 278 | ✗ | s->eof_frames--; | |
| 279 | ✗ | s->frames[4] = av_frame_clone(s->frames[3]); | |
| 280 | } | ||
| 281 | |||
| 282 | ✗ | if (s->frames[0] && | |
| 283 | ✗ | s->frames[1] && | |
| 284 | ✗ | s->frames[2] && | |
| 285 | ✗ | s->frames[3] && | |
| 286 | ✗ | s->frames[4]) { | |
| 287 | ✗ | out = av_frame_clone(s->frames[2]); | |
| 288 | ✗ | if (out && !ctx->is_disabled) { | |
| 289 | ✗ | ret = ff_inlink_make_frame_writable(inlink, &out); | |
| 290 | ✗ | if (ret >= 0) { | |
| 291 | ✗ | if (s->m & 1) | |
| 292 | ✗ | ff_filter_execute(ctx, s->dedotcrawl, out, NULL, | |
| 293 | ✗ | FFMIN(ff_filter_get_nb_threads(ctx), | |
| 294 | s->planeheight[0])); | ||
| 295 | ✗ | if (s->m & 2) { | |
| 296 | ThreadData td; | ||
| 297 | ✗ | td.out = out; td.plane = 1; | |
| 298 | ✗ | ff_filter_execute(ctx, s->derainbow, &td, NULL, | |
| 299 | ✗ | FFMIN(ff_filter_get_nb_threads(ctx), | |
| 300 | s->planeheight[1])); | ||
| 301 | ✗ | td.plane = 2; | |
| 302 | ✗ | ff_filter_execute(ctx, s->derainbow, &td, NULL, | |
| 303 | ✗ | FFMIN(ff_filter_get_nb_threads(ctx), | |
| 304 | s->planeheight[2])); | ||
| 305 | } | ||
| 306 | } else | ||
| 307 | ✗ | av_frame_free(&out); | |
| 308 | ✗ | } else if (!out) { | |
| 309 | ✗ | ret = AVERROR(ENOMEM); | |
| 310 | } | ||
| 311 | } | ||
| 312 | |||
| 313 | ✗ | av_frame_free(&s->frames[0]); | |
| 314 | ✗ | s->frames[0] = s->frames[1]; | |
| 315 | ✗ | s->frames[1] = s->frames[2]; | |
| 316 | ✗ | s->frames[2] = s->frames[3]; | |
| 317 | ✗ | s->frames[3] = s->frames[4]; | |
| 318 | ✗ | s->frames[4] = NULL; | |
| 319 | |||
| 320 | ✗ | if (ret < 0) | |
| 321 | ✗ | return ret; | |
| 322 | ✗ | if (out) | |
| 323 | ✗ | return ff_filter_frame(outlink, out); | |
| 324 | } | ||
| 325 | |||
| 326 | ✗ | if (s->eof) { | |
| 327 | ✗ | if (s->eof_frames <= 0) { | |
| 328 | ✗ | ff_outlink_set_status(outlink, AVERROR_EOF, s->frames[2]->pts); | |
| 329 | } else { | ||
| 330 | ✗ | ff_filter_set_ready(ctx, 10); | |
| 331 | } | ||
| 332 | ✗ | return 0; | |
| 333 | } | ||
| 334 | |||
| 335 | ✗ | if (!s->eof && ff_inlink_acknowledge_status(inlink, &status, &pts)) { | |
| 336 | ✗ | if (status == AVERROR_EOF) { | |
| 337 | ✗ | s->eof = 1; | |
| 338 | ✗ | s->eof_frames = !!s->frames[0] + !!s->frames[1]; | |
| 339 | ✗ | if (s->eof_frames <= 0) { | |
| 340 | ✗ | ff_outlink_set_status(outlink, AVERROR_EOF, pts); | |
| 341 | ✗ | return 0; | |
| 342 | } | ||
| 343 | ✗ | ff_filter_set_ready(ctx, 10); | |
| 344 | ✗ | return 0; | |
| 345 | } | ||
| 346 | } | ||
| 347 | |||
| 348 | ✗ | FF_FILTER_FORWARD_WANTED(outlink, inlink); | |
| 349 | |||
| 350 | ✗ | return FFERROR_NOT_READY; | |
| 351 | } | ||
| 352 | |||
| 353 | ✗ | static av_cold void uninit(AVFilterContext *ctx) | |
| 354 | { | ||
| 355 | ✗ | DedotContext *s = ctx->priv; | |
| 356 | |||
| 357 | ✗ | for (int i = 0; i < 5; i++) | |
| 358 | ✗ | av_frame_free(&s->frames[i]); | |
| 359 | ✗ | } | |
| 360 | |||
| 361 | #define OFFSET(x) offsetof(DedotContext, x) | ||
| 362 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | ||
| 363 | |||
| 364 | static const AVOption dedot_options[] = { | ||
| 365 | { "m", "set filtering mode", OFFSET( m), AV_OPT_TYPE_FLAGS, {.i64=3}, 0, 3, FLAGS, .unit = "m" }, | ||
| 366 | { "dotcrawl", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, .unit = "m" }, | ||
| 367 | { "rainbows", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, .unit = "m" }, | ||
| 368 | { "lt", "set spatial luma threshold", OFFSET(lt), AV_OPT_TYPE_FLOAT, {.dbl=.079}, 0, 1, FLAGS }, | ||
| 369 | { "tl", "set tolerance for temporal luma", OFFSET(tl), AV_OPT_TYPE_FLOAT, {.dbl=.079}, 0, 1, FLAGS }, | ||
| 370 | { "tc", "set tolerance for chroma temporal variation", OFFSET(tc), AV_OPT_TYPE_FLOAT, {.dbl=.058}, 0, 1, FLAGS }, | ||
| 371 | { "ct", "set temporal chroma threshold", OFFSET(ct), AV_OPT_TYPE_FLOAT, {.dbl=.019}, 0, 1, FLAGS }, | ||
| 372 | { NULL }, | ||
| 373 | }; | ||
| 374 | |||
| 375 | static const AVFilterPad outputs[] = { | ||
| 376 | { | ||
| 377 | .name = "default", | ||
| 378 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 379 | .config_props = config_output, | ||
| 380 | }, | ||
| 381 | }; | ||
| 382 | |||
| 383 | AVFILTER_DEFINE_CLASS(dedot); | ||
| 384 | |||
| 385 | const AVFilter ff_vf_dedot = { | ||
| 386 | .name = "dedot", | ||
| 387 | .description = NULL_IF_CONFIG_SMALL("Reduce cross-luminance and cross-color."), | ||
| 388 | .priv_size = sizeof(DedotContext), | ||
| 389 | .priv_class = &dedot_class, | ||
| 390 | .activate = activate, | ||
| 391 | .uninit = uninit, | ||
| 392 | FILTER_INPUTS(ff_video_default_filterpad), | ||
| 393 | FILTER_OUTPUTS(outputs), | ||
| 394 | FILTER_PIXFMTS_ARRAY(pixel_fmts), | ||
| 395 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, | ||
| 396 | }; | ||
| 397 |