| 1 | /* |
| 2 | * Copyright (C) 2006-2011 Michael Niedermayer <michaelni@gmx.at> |
| 3 | * 2010 James Darnley <james.darnley@gmail.com> |
| 4 | * |
| 5 | * FFmpeg is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2.1 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * FFmpeg is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with FFmpeg; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #include "libavutil/avassert.h" |
| 21 | #include "libavutil/cpu.h" |
| 22 | #include "libavutil/common.h" |
| 23 | #include "libavutil/opt.h" |
| 24 | #include "libavutil/pixdesc.h" |
| 25 | #include "libavutil/imgutils.h" |
| 26 | #include "avfilter.h" |
| 27 | #include "formats.h" |
| 28 | #include "internal.h" |
| 29 | #include "video.h" |
| 30 | #include "yadif.h" |
| 31 | |
| 32 | typedef struct ThreadData { |
| 33 | AVFrame *frame; |
| 34 | int plane; |
| 35 | int w, h; |
| 36 | int parity; |
| 37 | int tff; |
| 38 | } ThreadData; |
| 39 | |
| 40 | #define CHECK(j)\ |
| 41 | { int score = FFABS(cur[mrefs - 1 + (j)] - cur[prefs - 1 - (j)])\ |
| 42 | + FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\ |
| 43 | + FFABS(cur[mrefs + 1 + (j)] - cur[prefs + 1 - (j)]);\ |
| 44 | if (score < spatial_score) {\ |
| 45 | spatial_score= score;\ |
| 46 | spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\ |
| 47 | |
| 48 | /* The is_not_edge argument here controls when the code will enter a branch |
| 49 | * which reads up to and including x-3 and x+3. */ |
| 50 | |
| 51 | #define FILTER(start, end, is_not_edge) \ |
| 52 | for (x = start; x < end; x++) { \ |
| 53 | int c = cur[mrefs]; \ |
| 54 | int d = (prev2[0] + next2[0])>>1; \ |
| 55 | int e = cur[prefs]; \ |
| 56 | int temporal_diff0 = FFABS(prev2[0] - next2[0]); \ |
| 57 | int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \ |
| 58 | int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \ |
| 59 | int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \ |
| 60 | int spatial_pred = (c+e) >> 1; \ |
| 61 | \ |
| 62 | if (is_not_edge) {\ |
| 63 | int spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \ |
| 64 | + FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \ |
| 65 | CHECK(-1) CHECK(-2) }} }} \ |
| 66 | CHECK( 1) CHECK( 2) }} }} \ |
| 67 | }\ |
| 68 | \ |
| 69 | if (!(mode&2)) { \ |
| 70 | int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \ |
| 71 | int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \ |
| 72 | int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \ |
| 73 | int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \ |
| 74 | \ |
| 75 | diff = FFMAX3(diff, min, -max); \ |
| 76 | } \ |
| 77 | \ |
| 78 | if (spatial_pred > d + diff) \ |
| 79 | spatial_pred = d + diff; \ |
| 80 | else if (spatial_pred < d - diff) \ |
| 81 | spatial_pred = d - diff; \ |
| 82 | \ |
| 83 | dst[0] = spatial_pred; \ |
| 84 | \ |
| 85 | dst++; \ |
| 86 | cur++; \ |
| 87 | prev++; \ |
| 88 | next++; \ |
| 89 | prev2++; \ |
| 90 | next2++; \ |
| 91 | } |
| 92 | |
| 93 | static void filter_line_c(void *dst1, |
| 94 | void *prev1, void *cur1, void *next1, |
| 95 | int w, int prefs, int mrefs, int parity, int mode) |
| 96 | { |
| 97 | uint8_t *dst = dst1; |
| 98 | uint8_t *prev = prev1; |
| 99 | uint8_t *cur = cur1; |
| 100 | uint8_t *next = next1; |
| 101 | int x; |
| 102 | uint8_t *prev2 = parity ? prev : cur ; |
| 103 | uint8_t *next2 = parity ? cur : next; |
| 104 | |
| 105 | /* The function is called with the pointers already pointing to data[3] and |
| 106 | * with 6 subtracted from the width. This allows the FILTER macro to be |
| 107 | * called so that it processes all the pixels normally. A constant value of |
| 108 | * true for is_not_edge lets the compiler ignore the if statement. */ |
| 109 | FILTER(0, w, 1) |
| 110 | } |
| 111 | |
| 112 | #define MAX_ALIGN 8 |
| 113 | static void filter_edges(void *dst1, void *prev1, void *cur1, void *next1, |
| 114 | int w, int prefs, int mrefs, int parity, int mode) |
| 115 | { |
| 116 | uint8_t *dst = dst1; |
| 117 | uint8_t *prev = prev1; |
| 118 | uint8_t *cur = cur1; |
| 119 | uint8_t *next = next1; |
| 120 | int x; |
| 121 | uint8_t *prev2 = parity ? prev : cur ; |
| 122 | uint8_t *next2 = parity ? cur : next; |
| 123 | |
| 124 | /* Only edge pixels need to be processed here. A constant value of false |
| 125 | * for is_not_edge should let the compiler ignore the whole branch. */ |
| 126 | FILTER(0, 3, 0) |
| 127 | |
| 128 | dst = (uint8_t*)dst1 + w - (MAX_ALIGN-1); |
| 129 | prev = (uint8_t*)prev1 + w - (MAX_ALIGN-1); |
| 130 | cur = (uint8_t*)cur1 + w - (MAX_ALIGN-1); |
| 131 | next = (uint8_t*)next1 + w - (MAX_ALIGN-1); |
| 132 | prev2 = (uint8_t*)(parity ? prev : cur); |
| 133 | next2 = (uint8_t*)(parity ? cur : next); |
| 134 | |
| 135 | FILTER(w - (MAX_ALIGN-1), w - 3, 1) |
| 136 | FILTER(w - 3, w, 0) |
| 137 | } |
| 138 | |
| 139 | |
| 140 | static void filter_line_c_16bit(void *dst1, |
| 141 | void *prev1, void *cur1, void *next1, |
| 142 | int w, int prefs, int mrefs, int parity, |
| 143 | int mode) |
| 144 | { |
| 145 | uint16_t *dst = dst1; |
| 146 | uint16_t *prev = prev1; |
| 147 | uint16_t *cur = cur1; |
| 148 | uint16_t *next = next1; |
| 149 | int x; |
| 150 | uint16_t *prev2 = parity ? prev : cur ; |
| 151 | uint16_t *next2 = parity ? cur : next; |
| 152 | mrefs /= 2; |
| 153 | prefs /= 2; |
| 154 | |
| 155 | FILTER(0, w, 1) |
| 156 | } |
| 157 | |
| 158 | static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1, |
| 159 | int w, int prefs, int mrefs, int parity, int mode) |
| 160 | { |
| 161 | uint16_t *dst = dst1; |
| 162 | uint16_t *prev = prev1; |
| 163 | uint16_t *cur = cur1; |
| 164 | uint16_t *next = next1; |
| 165 | int x; |
| 166 | uint16_t *prev2 = parity ? prev : cur ; |
| 167 | uint16_t *next2 = parity ? cur : next; |
| 168 | mrefs /= 2; |
| 169 | prefs /= 2; |
| 170 | |
| 171 | FILTER(0, 3, 0) |
| 172 | |
| 173 | dst = (uint16_t*)dst1 + w - (MAX_ALIGN/2-1); |
| 174 | prev = (uint16_t*)prev1 + w - (MAX_ALIGN/2-1); |
| 175 | cur = (uint16_t*)cur1 + w - (MAX_ALIGN/2-1); |
| 176 | next = (uint16_t*)next1 + w - (MAX_ALIGN/2-1); |
| 177 | prev2 = (uint16_t*)(parity ? prev : cur); |
| 178 | next2 = (uint16_t*)(parity ? cur : next); |
| 179 | |
| 180 | FILTER(w - (MAX_ALIGN/2-1), w - 3, 1) |
| 181 | FILTER(w - 3, w, 0) |
| 182 | } |
| 183 | |
| 184 | static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
| 185 | { |
| 186 | YADIFContext *s = ctx->priv; |
| 187 | ThreadData *td = arg; |
| 188 | int refs = s->cur->linesize[td->plane]; |
| 189 | int df = (s->csp->comp[td->plane].depth_minus1 + 8) / 8; |
| 190 | int pix_3 = 3 * df; |
| 191 | int slice_start = (td->h * jobnr ) / nb_jobs; |
| 192 | int slice_end = (td->h * (jobnr+1)) / nb_jobs; |
| 193 | int y; |
| 194 | |
| 195 | /* filtering reads 3 pixels to the left/right; to avoid invalid reads, |
| 196 | * we need to call the c variant which avoids this for border pixels |
| 197 | */ |
| 198 | for (y = slice_start; y < slice_end; y++) { |
| 199 | if ((y ^ td->parity) & 1) { |
| 200 | uint8_t *prev = &s->prev->data[td->plane][y * refs]; |
| 201 | uint8_t *cur = &s->cur ->data[td->plane][y * refs]; |
| 202 | uint8_t *next = &s->next->data[td->plane][y * refs]; |
| 203 | uint8_t *dst = &td->frame->data[td->plane][y * td->frame->linesize[td->plane]]; |
| 204 | int mode = y == 1 || y + 2 == td->h ? 2 : s->mode; |
| 205 | s->filter_line(dst + pix_3, prev + pix_3, cur + pix_3, |
| 206 | next + pix_3, td->w - (3 + MAX_ALIGN/df-1), |
| 207 | y + 1 < td->h ? refs : -refs, |
| 208 | y ? -refs : refs, |
| 209 | td->parity ^ td->tff, mode); |
| 210 | s->filter_edges(dst, prev, cur, next, td->w, |
| 211 | y + 1 < td->h ? refs : -refs, |
| 212 | y ? -refs : refs, |
| 213 | td->parity ^ td->tff, mode); |
| 214 | } else { |
| 215 | memcpy(&td->frame->data[td->plane][y * td->frame->linesize[td->plane]], |
| 216 | &s->cur->data[td->plane][y * refs], td->w * df); |
| 217 | } |
| 218 | } |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static void filter(AVFilterContext *ctx, AVFrame *dstpic, |
| 223 | int parity, int tff) |
| 224 | { |
| 225 | YADIFContext *yadif = ctx->priv; |
| 226 | ThreadData td = { .frame = dstpic, .parity = parity, .tff = tff }; |
| 227 | int i; |
| 228 | |
| 229 | for (i = 0; i < yadif->csp->nb_components; i++) { |
| 230 | int w = dstpic->width; |
| 231 | int h = dstpic->height; |
| 232 | |
| 233 | if (i == 1 || i == 2) { |
| 234 | w = FF_CEIL_RSHIFT(w, yadif->csp->log2_chroma_w); |
| 235 | h = FF_CEIL_RSHIFT(h, yadif->csp->log2_chroma_h); |
| 236 | } |
| 237 | |
| 238 | |
| 239 | td.w = w; |
| 240 | td.h = h; |
| 241 | td.plane = i; |
| 242 | |
| 243 | ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(h, ctx->graph->nb_threads)); |
| 244 | } |
| 245 | |
| 246 | emms_c(); |
| 247 | } |
| 248 | |
| 249 | static int return_frame(AVFilterContext *ctx, int is_second) |
| 250 | { |
| 251 | YADIFContext *yadif = ctx->priv; |
| 252 | AVFilterLink *link = ctx->outputs[0]; |
| 253 | int tff, ret; |
| 254 | |
| 255 | if (yadif->parity == -1) { |
| 256 | tff = yadif->cur->interlaced_frame ? |
| 257 | yadif->cur->top_field_first : 1; |
| 258 | } else { |
| 259 | tff = yadif->parity ^ 1; |
| 260 | } |
| 261 | |
| 262 | if (is_second) { |
| 263 | yadif->out = ff_get_video_buffer(link, link->w, link->h); |
| 264 | if (!yadif->out) |
| 265 | return AVERROR(ENOMEM); |
| 266 | |
| 267 | av_frame_copy_props(yadif->out, yadif->cur); |
| 268 | yadif->out->interlaced_frame = 0; |
| 269 | } |
| 270 | |
| 271 | filter(ctx, yadif->out, tff ^ !is_second, tff); |
| 272 | |
| 273 | if (is_second) { |
| 274 | int64_t cur_pts = yadif->cur->pts; |
| 275 | int64_t next_pts = yadif->next->pts; |
| 276 | |
| 277 | if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) { |
| 278 | yadif->out->pts = cur_pts + next_pts; |
| 279 | } else { |
| 280 | yadif->out->pts = AV_NOPTS_VALUE; |
| 281 | } |
| 282 | } |
| 283 | ret = ff_filter_frame(ctx->outputs[0], yadif->out); |
| 284 | |
| 285 | yadif->frame_pending = (yadif->mode&1) && !is_second; |
| 286 | return ret; |
| 287 | } |
| 288 | |
| 289 | static int checkstride(YADIFContext *yadif, const AVFrame *a, const AVFrame *b) |
| 290 | { |
| 291 | int i; |
| 292 | for (i = 0; i < yadif->csp->nb_components; i++) |
| 293 | if (a->linesize[i] != b->linesize[i]) |
| 294 | return 1; |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | static void fixstride(AVFilterLink *link, AVFrame *f) |
| 299 | { |
| 300 | AVFrame *dst = ff_default_get_video_buffer(link, f->width, f->height); |
| 301 | if(!dst) |
| 302 | return; |
| 303 | av_frame_copy_props(dst, f); |
| 304 | av_image_copy(dst->data, dst->linesize, |
| 305 | (const uint8_t **)f->data, f->linesize, |
| 306 | dst->format, dst->width, dst->height); |
| 307 | av_frame_unref(f); |
| 308 | av_frame_move_ref(f, dst); |
| 309 | av_frame_free(&dst); |
| 310 | } |
| 311 | |
| 312 | static int filter_frame(AVFilterLink *link, AVFrame *frame) |
| 313 | { |
| 314 | AVFilterContext *ctx = link->dst; |
| 315 | YADIFContext *yadif = ctx->priv; |
| 316 | |
| 317 | av_assert0(frame); |
| 318 | |
| 319 | if (yadif->frame_pending) |
| 320 | return_frame(ctx, 1); |
| 321 | |
| 322 | if (yadif->prev) |
| 323 | av_frame_free(&yadif->prev); |
| 324 | yadif->prev = yadif->cur; |
| 325 | yadif->cur = yadif->next; |
| 326 | yadif->next = frame; |
| 327 | |
| 328 | if (!yadif->cur && |
| 329 | !(yadif->cur = av_frame_clone(yadif->next))) |
| 330 | return AVERROR(ENOMEM); |
| 331 | |
| 332 | if (checkstride(yadif, yadif->next, yadif->cur)) { |
| 333 | av_log(ctx, AV_LOG_VERBOSE, "Reallocating frame due to differing stride\n"); |
| 334 | fixstride(link, yadif->next); |
| 335 | } |
| 336 | if (checkstride(yadif, yadif->next, yadif->cur)) |
| 337 | fixstride(link, yadif->cur); |
| 338 | if (yadif->prev && checkstride(yadif, yadif->next, yadif->prev)) |
| 339 | fixstride(link, yadif->prev); |
| 340 | if (checkstride(yadif, yadif->next, yadif->cur) || (yadif->prev && checkstride(yadif, yadif->next, yadif->prev))) { |
| 341 | av_log(ctx, AV_LOG_ERROR, "Failed to reallocate frame\n"); |
| 342 | return -1; |
| 343 | } |
| 344 | |
| 345 | if ((yadif->deint && !yadif->cur->interlaced_frame) || ctx->is_disabled) { |
| 346 | yadif->out = av_frame_clone(yadif->cur); |
| 347 | if (!yadif->out) |
| 348 | return AVERROR(ENOMEM); |
| 349 | |
| 350 | av_frame_free(&yadif->prev); |
| 351 | if (yadif->out->pts != AV_NOPTS_VALUE) |
| 352 | yadif->out->pts *= 2; |
| 353 | return ff_filter_frame(ctx->outputs[0], yadif->out); |
| 354 | } |
| 355 | |
| 356 | if (!yadif->prev) |
| 357 | return 0; |
| 358 | |
| 359 | yadif->out = ff_get_video_buffer(ctx->outputs[0], link->w, link->h); |
| 360 | if (!yadif->out) |
| 361 | return AVERROR(ENOMEM); |
| 362 | |
| 363 | av_frame_copy_props(yadif->out, yadif->cur); |
| 364 | yadif->out->interlaced_frame = 0; |
| 365 | |
| 366 | if (yadif->out->pts != AV_NOPTS_VALUE) |
| 367 | yadif->out->pts *= 2; |
| 368 | |
| 369 | return return_frame(ctx, 0); |
| 370 | } |
| 371 | |
| 372 | static int request_frame(AVFilterLink *link) |
| 373 | { |
| 374 | AVFilterContext *ctx = link->src; |
| 375 | YADIFContext *yadif = ctx->priv; |
| 376 | |
| 377 | if (yadif->frame_pending) { |
| 378 | return_frame(ctx, 1); |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | do { |
| 383 | int ret; |
| 384 | |
| 385 | if (yadif->eof) |
| 386 | return AVERROR_EOF; |
| 387 | |
| 388 | ret = ff_request_frame(link->src->inputs[0]); |
| 389 | |
| 390 | if (ret == AVERROR_EOF && yadif->cur) { |
| 391 | AVFrame *next = av_frame_clone(yadif->next); |
| 392 | |
| 393 | if (!next) |
| 394 | return AVERROR(ENOMEM); |
| 395 | |
| 396 | next->pts = yadif->next->pts * 2 - yadif->cur->pts; |
| 397 | |
| 398 | filter_frame(link->src->inputs[0], next); |
| 399 | yadif->eof = 1; |
| 400 | } else if (ret < 0) { |
| 401 | return ret; |
| 402 | } |
| 403 | } while (!yadif->prev); |
| 404 | |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | static av_cold void uninit(AVFilterContext *ctx) |
| 409 | { |
| 410 | YADIFContext *yadif = ctx->priv; |
| 411 | |
| 412 | av_frame_free(&yadif->prev); |
| 413 | av_frame_free(&yadif->cur ); |
| 414 | av_frame_free(&yadif->next); |
| 415 | } |
| 416 | |
| 417 | static int query_formats(AVFilterContext *ctx) |
| 418 | { |
| 419 | static const enum AVPixelFormat pix_fmts[] = { |
| 420 | AV_PIX_FMT_YUV420P, |
| 421 | AV_PIX_FMT_YUV422P, |
| 422 | AV_PIX_FMT_YUV444P, |
| 423 | AV_PIX_FMT_YUV410P, |
| 424 | AV_PIX_FMT_YUV411P, |
| 425 | AV_PIX_FMT_GRAY8, |
| 426 | AV_PIX_FMT_YUVJ420P, |
| 427 | AV_PIX_FMT_YUVJ422P, |
| 428 | AV_PIX_FMT_YUVJ444P, |
| 429 | AV_PIX_FMT_GRAY16, |
| 430 | AV_PIX_FMT_YUV440P, |
| 431 | AV_PIX_FMT_YUVJ440P, |
| 432 | AV_PIX_FMT_YUV420P9, |
| 433 | AV_PIX_FMT_YUV422P9, |
| 434 | AV_PIX_FMT_YUV444P9, |
| 435 | AV_PIX_FMT_YUV420P10, |
| 436 | AV_PIX_FMT_YUV422P10, |
| 437 | AV_PIX_FMT_YUV444P10, |
| 438 | AV_PIX_FMT_YUV420P12, |
| 439 | AV_PIX_FMT_YUV422P12, |
| 440 | AV_PIX_FMT_YUV444P12, |
| 441 | AV_PIX_FMT_YUV420P14, |
| 442 | AV_PIX_FMT_YUV422P14, |
| 443 | AV_PIX_FMT_YUV444P14, |
| 444 | AV_PIX_FMT_YUV420P16, |
| 445 | AV_PIX_FMT_YUV422P16, |
| 446 | AV_PIX_FMT_YUV444P16, |
| 447 | AV_PIX_FMT_YUVA420P, |
| 448 | AV_PIX_FMT_YUVA422P, |
| 449 | AV_PIX_FMT_YUVA444P, |
| 450 | AV_PIX_FMT_GBRP, |
| 451 | AV_PIX_FMT_GBRAP, |
| 452 | AV_PIX_FMT_NONE |
| 453 | }; |
| 454 | |
| 455 | ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | static int config_props(AVFilterLink *link) |
| 461 | { |
| 462 | AVFilterContext *ctx = link->src; |
| 463 | YADIFContext *s = link->src->priv; |
| 464 | |
| 465 | link->time_base.num = link->src->inputs[0]->time_base.num; |
| 466 | link->time_base.den = link->src->inputs[0]->time_base.den * 2; |
| 467 | link->w = link->src->inputs[0]->w; |
| 468 | link->h = link->src->inputs[0]->h; |
| 469 | |
| 470 | if(s->mode&1) |
| 471 | link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1}); |
| 472 | |
| 473 | if (link->w < 3 || link->h < 3) { |
| 474 | av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n"); |
| 475 | return AVERROR(EINVAL); |
| 476 | } |
| 477 | |
| 478 | s->csp = av_pix_fmt_desc_get(link->format); |
| 479 | if (s->csp->comp[0].depth_minus1 / 8 == 1) { |
| 480 | s->filter_line = filter_line_c_16bit; |
| 481 | s->filter_edges = filter_edges_16bit; |
| 482 | } else { |
| 483 | s->filter_line = filter_line_c; |
| 484 | s->filter_edges = filter_edges; |
| 485 | } |
| 486 | |
| 487 | if (ARCH_X86) |
| 488 | ff_yadif_init_x86(s); |
| 489 | |
| 490 | return 0; |
| 491 | } |
| 492 | |
| 493 | |
| 494 | #define OFFSET(x) offsetof(YADIFContext, x) |
| 495 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
| 496 | |
| 497 | #define CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit } |
| 498 | |
| 499 | static const AVOption yadif_options[] = { |
| 500 | { "mode", "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=YADIF_MODE_SEND_FRAME}, 0, 3, FLAGS, "mode"}, |
| 501 | CONST("send_frame", "send one frame for each frame", YADIF_MODE_SEND_FRAME, "mode"), |
| 502 | CONST("send_field", "send one frame for each field", YADIF_MODE_SEND_FIELD, "mode"), |
| 503 | CONST("send_frame_nospatial", "send one frame for each frame, but skip spatial interlacing check", YADIF_MODE_SEND_FRAME_NOSPATIAL, "mode"), |
| 504 | CONST("send_field_nospatial", "send one frame for each field, but skip spatial interlacing check", YADIF_MODE_SEND_FIELD_NOSPATIAL, "mode"), |
| 505 | |
| 506 | { "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=YADIF_PARITY_AUTO}, -1, 1, FLAGS, "parity" }, |
| 507 | CONST("tff", "assume top field first", YADIF_PARITY_TFF, "parity"), |
| 508 | CONST("bff", "assume bottom field first", YADIF_PARITY_BFF, "parity"), |
| 509 | CONST("auto", "auto detect parity", YADIF_PARITY_AUTO, "parity"), |
| 510 | |
| 511 | { "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=YADIF_DEINT_ALL}, 0, 1, FLAGS, "deint" }, |
| 512 | CONST("all", "deinterlace all frames", YADIF_DEINT_ALL, "deint"), |
| 513 | CONST("interlaced", "only deinterlace frames marked as interlaced", YADIF_DEINT_INTERLACED, "deint"), |
| 514 | |
| 515 | { NULL } |
| 516 | }; |
| 517 | |
| 518 | AVFILTER_DEFINE_CLASS(yadif); |
| 519 | |
| 520 | static const AVFilterPad avfilter_vf_yadif_inputs[] = { |
| 521 | { |
| 522 | .name = "default", |
| 523 | .type = AVMEDIA_TYPE_VIDEO, |
| 524 | .filter_frame = filter_frame, |
| 525 | }, |
| 526 | { NULL } |
| 527 | }; |
| 528 | |
| 529 | static const AVFilterPad avfilter_vf_yadif_outputs[] = { |
| 530 | { |
| 531 | .name = "default", |
| 532 | .type = AVMEDIA_TYPE_VIDEO, |
| 533 | .request_frame = request_frame, |
| 534 | .config_props = config_props, |
| 535 | }, |
| 536 | { NULL } |
| 537 | }; |
| 538 | |
| 539 | AVFilter ff_vf_yadif = { |
| 540 | .name = "yadif", |
| 541 | .description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."), |
| 542 | .priv_size = sizeof(YADIFContext), |
| 543 | .priv_class = &yadif_class, |
| 544 | .uninit = uninit, |
| 545 | .query_formats = query_formats, |
| 546 | .inputs = avfilter_vf_yadif_inputs, |
| 547 | .outputs = avfilter_vf_yadif_outputs, |
| 548 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, |
| 549 | }; |