| 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 | /* | ||
| 22 | * Based on paper: A Simple and Efficient Deblocking Algorithm for Low Bit-Rate Video Coding. | ||
| 23 | */ | ||
| 24 | |||
| 25 | #include "libavutil/imgutils.h" | ||
| 26 | #include "libavutil/opt.h" | ||
| 27 | #include "libavutil/pixdesc.h" | ||
| 28 | |||
| 29 | #include "avfilter.h" | ||
| 30 | #include "filters.h" | ||
| 31 | #include "video.h" | ||
| 32 | |||
| 33 | enum FilterType { WEAK, STRONG, NB_FILTER }; | ||
| 34 | |||
| 35 | typedef struct DeblockContext { | ||
| 36 | const AVClass *class; | ||
| 37 | const AVPixFmtDescriptor *desc; | ||
| 38 | int filter; | ||
| 39 | int block; | ||
| 40 | int planes; | ||
| 41 | float alpha; | ||
| 42 | float beta; | ||
| 43 | float gamma; | ||
| 44 | float delta; | ||
| 45 | |||
| 46 | int ath; | ||
| 47 | int bth; | ||
| 48 | int gth; | ||
| 49 | int dth; | ||
| 50 | int max; | ||
| 51 | int depth; | ||
| 52 | int bpc; | ||
| 53 | int nb_planes; | ||
| 54 | int planewidth[4]; | ||
| 55 | int planeheight[4]; | ||
| 56 | |||
| 57 | void (*deblockh)(uint8_t *dst, ptrdiff_t dst_linesize, int block, | ||
| 58 | int ath, int bth, int gth, int dth, int max); | ||
| 59 | void (*deblockv)(uint8_t *dst, ptrdiff_t dst_linesize, int block, | ||
| 60 | int ath, int bth, int gth, int dth, int max); | ||
| 61 | } DeblockContext; | ||
| 62 | |||
| 63 | static const enum AVPixelFormat pixel_fmts[] = { | ||
| 64 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, | ||
| 65 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, | ||
| 66 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, | ||
| 67 | AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, | ||
| 68 | AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 69 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 70 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 71 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, | ||
| 72 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
| 73 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 74 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 75 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 76 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 77 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 78 | AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, | ||
| 79 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
| 80 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, | ||
| 81 | AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, | ||
| 82 | AV_PIX_FMT_NONE | ||
| 83 | }; | ||
| 84 | |||
| 85 | #define WEAK_HFILTER(name, type, ldiv) \ | ||
| 86 | static void deblockh##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \ | ||
| 87 | int ath, int bth, int gth, int dth, int max) \ | ||
| 88 | { \ | ||
| 89 | type *dst; \ | ||
| 90 | int x; \ | ||
| 91 | \ | ||
| 92 | dst = (type *)dstp; \ | ||
| 93 | dst_linesize /= ldiv; \ | ||
| 94 | \ | ||
| 95 | for (x = 0; x < block; x++) { \ | ||
| 96 | int delta = dst[x] - dst[x - dst_linesize]; \ | ||
| 97 | int A, B, C, D, a, b, c, d; \ | ||
| 98 | \ | ||
| 99 | if (FFABS(delta) >= ath || \ | ||
| 100 | FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \ | ||
| 101 | FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= gth) \ | ||
| 102 | continue; \ | ||
| 103 | \ | ||
| 104 | A = dst[x - 2 * dst_linesize]; \ | ||
| 105 | B = dst[x - 1 * dst_linesize]; \ | ||
| 106 | C = dst[x + 0 * dst_linesize]; \ | ||
| 107 | D = dst[x + 1 * dst_linesize]; \ | ||
| 108 | \ | ||
| 109 | a = A + delta / 8; \ | ||
| 110 | b = B + delta / 2; \ | ||
| 111 | c = C - delta / 2; \ | ||
| 112 | d = D - delta / 8; \ | ||
| 113 | \ | ||
| 114 | dst[x - 2 * dst_linesize] = av_clip(a, 0, max); \ | ||
| 115 | dst[x - 1 * dst_linesize] = av_clip(b, 0, max); \ | ||
| 116 | dst[x + 0 * dst_linesize] = av_clip(c, 0, max); \ | ||
| 117 | dst[x + 1 * dst_linesize] = av_clip(d, 0, max); \ | ||
| 118 | } \ | ||
| 119 | } | ||
| 120 | |||
| 121 | ✗ | WEAK_HFILTER(8, uint8_t, 1) | |
| 122 | ✗ | WEAK_HFILTER(16, uint16_t, 2) | |
| 123 | |||
| 124 | #define WEAK_VFILTER(name, type, ldiv) \ | ||
| 125 | static void deblockv##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \ | ||
| 126 | int ath, int bth, int gth, int dth, int max) \ | ||
| 127 | { \ | ||
| 128 | type *dst; \ | ||
| 129 | int y; \ | ||
| 130 | \ | ||
| 131 | dst = (type *)dstp; \ | ||
| 132 | dst_linesize /= ldiv; \ | ||
| 133 | \ | ||
| 134 | for (y = 0; y < block; y++) { \ | ||
| 135 | int delta = dst[0] - dst[-1]; \ | ||
| 136 | int A, B, C, D, a, b, c, d; \ | ||
| 137 | \ | ||
| 138 | if (FFABS(delta) >= ath || \ | ||
| 139 | FFABS(dst[-1] - dst[-2]) >= bth || \ | ||
| 140 | FFABS(dst[0] - dst[1]) >= gth) \ | ||
| 141 | continue; \ | ||
| 142 | \ | ||
| 143 | A = dst[-2]; \ | ||
| 144 | B = dst[-1]; \ | ||
| 145 | C = dst[+0]; \ | ||
| 146 | D = dst[+1]; \ | ||
| 147 | \ | ||
| 148 | a = A + delta / 8; \ | ||
| 149 | b = B + delta / 2; \ | ||
| 150 | c = C - delta / 2; \ | ||
| 151 | d = D - delta / 8; \ | ||
| 152 | \ | ||
| 153 | dst[-2] = av_clip(a, 0, max); \ | ||
| 154 | dst[-1] = av_clip(b, 0, max); \ | ||
| 155 | dst[+0] = av_clip(c, 0, max); \ | ||
| 156 | dst[+1] = av_clip(d, 0, max); \ | ||
| 157 | \ | ||
| 158 | dst += dst_linesize; \ | ||
| 159 | } \ | ||
| 160 | } | ||
| 161 | |||
| 162 | ✗ | WEAK_VFILTER(8, uint8_t, 1) | |
| 163 | ✗ | WEAK_VFILTER(16, uint16_t, 2) | |
| 164 | |||
| 165 | #define STRONG_HFILTER(name, type, ldiv) \ | ||
| 166 | static void deblockh##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\ | ||
| 167 | int ath, int bth, int gth, int dth, int max) \ | ||
| 168 | { \ | ||
| 169 | type *dst; \ | ||
| 170 | int x; \ | ||
| 171 | \ | ||
| 172 | dst = (type *)dstp; \ | ||
| 173 | dst_linesize /= ldiv; \ | ||
| 174 | \ | ||
| 175 | for (x = 0; x < block; x++) { \ | ||
| 176 | int A, B, C, D, E, F, a, b, c, d, e, f; \ | ||
| 177 | int delta = dst[x] - dst[x - dst_linesize]; \ | ||
| 178 | \ | ||
| 179 | if (FFABS(delta) >= ath || \ | ||
| 180 | FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \ | ||
| 181 | FFABS(dst[x + 1 * dst_linesize] - dst[x + 2 * dst_linesize]) >= gth || \ | ||
| 182 | FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= dth) \ | ||
| 183 | continue; \ | ||
| 184 | \ | ||
| 185 | A = dst[x - 3 * dst_linesize]; \ | ||
| 186 | B = dst[x - 2 * dst_linesize]; \ | ||
| 187 | C = dst[x - 1 * dst_linesize]; \ | ||
| 188 | D = dst[x + 0 * dst_linesize]; \ | ||
| 189 | E = dst[x + 1 * dst_linesize]; \ | ||
| 190 | F = dst[x + 2 * dst_linesize]; \ | ||
| 191 | \ | ||
| 192 | a = A + delta / 8; \ | ||
| 193 | b = B + delta / 4; \ | ||
| 194 | c = C + delta / 2; \ | ||
| 195 | d = D - delta / 2; \ | ||
| 196 | e = E - delta / 4; \ | ||
| 197 | f = F - delta / 8; \ | ||
| 198 | \ | ||
| 199 | dst[x - 3 * dst_linesize] = av_clip(a, 0, max); \ | ||
| 200 | dst[x - 2 * dst_linesize] = av_clip(b, 0, max); \ | ||
| 201 | dst[x - 1 * dst_linesize] = av_clip(c, 0, max); \ | ||
| 202 | dst[x + 0 * dst_linesize] = av_clip(d, 0, max); \ | ||
| 203 | dst[x + 1 * dst_linesize] = av_clip(e, 0, max); \ | ||
| 204 | dst[x + 2 * dst_linesize] = av_clip(f, 0, max); \ | ||
| 205 | } \ | ||
| 206 | } | ||
| 207 | |||
| 208 | ✗ | STRONG_HFILTER(8, uint8_t, 1) | |
| 209 | ✗ | STRONG_HFILTER(16, uint16_t, 2) | |
| 210 | |||
| 211 | #define STRONG_VFILTER(name, type, ldiv) \ | ||
| 212 | static void deblockv##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\ | ||
| 213 | int ath, int bth, int gth, int dth, int max) \ | ||
| 214 | { \ | ||
| 215 | type *dst; \ | ||
| 216 | int y; \ | ||
| 217 | \ | ||
| 218 | dst = (type *)dstp; \ | ||
| 219 | dst_linesize /= ldiv; \ | ||
| 220 | \ | ||
| 221 | for (y = 0; y < block; y++) { \ | ||
| 222 | int A, B, C, D, E, F, a, b, c, d, e, f; \ | ||
| 223 | int delta = dst[0] - dst[-1]; \ | ||
| 224 | \ | ||
| 225 | if (FFABS(delta) >= ath || \ | ||
| 226 | FFABS(dst[-1] - dst[-2]) >= bth || \ | ||
| 227 | FFABS(dst[+1] - dst[+2]) >= gth || \ | ||
| 228 | FFABS(dst[+0] - dst[+1]) >= dth) \ | ||
| 229 | continue; \ | ||
| 230 | \ | ||
| 231 | A = dst[-3]; \ | ||
| 232 | B = dst[-2]; \ | ||
| 233 | C = dst[-1]; \ | ||
| 234 | D = dst[+0]; \ | ||
| 235 | E = dst[+1]; \ | ||
| 236 | F = dst[+2]; \ | ||
| 237 | \ | ||
| 238 | a = A + delta / 8; \ | ||
| 239 | b = B + delta / 4; \ | ||
| 240 | c = C + delta / 2; \ | ||
| 241 | d = D - delta / 2; \ | ||
| 242 | e = E - delta / 4; \ | ||
| 243 | f = F - delta / 8; \ | ||
| 244 | \ | ||
| 245 | dst[-3] = av_clip(a, 0, max); \ | ||
| 246 | dst[-2] = av_clip(b, 0, max); \ | ||
| 247 | dst[-1] = av_clip(c, 0, max); \ | ||
| 248 | dst[+0] = av_clip(d, 0, max); \ | ||
| 249 | dst[+1] = av_clip(e, 0, max); \ | ||
| 250 | dst[+2] = av_clip(f, 0, max); \ | ||
| 251 | \ | ||
| 252 | dst += dst_linesize; \ | ||
| 253 | } \ | ||
| 254 | } | ||
| 255 | |||
| 256 | ✗ | STRONG_VFILTER(8, uint8_t, 1) | |
| 257 | ✗ | STRONG_VFILTER(16, uint16_t, 2) | |
| 258 | |||
| 259 | ✗ | static int config_output(AVFilterLink *outlink) | |
| 260 | { | ||
| 261 | ✗ | AVFilterContext *ctx = outlink->src; | |
| 262 | ✗ | DeblockContext *s = ctx->priv; | |
| 263 | ✗ | AVFilterLink *inlink = ctx->inputs[0]; | |
| 264 | |||
| 265 | ✗ | s->desc = av_pix_fmt_desc_get(outlink->format); | |
| 266 | ✗ | if (!s->desc) | |
| 267 | ✗ | return AVERROR_BUG; | |
| 268 | ✗ | s->nb_planes = av_pix_fmt_count_planes(outlink->format); | |
| 269 | ✗ | s->depth = s->desc->comp[0].depth; | |
| 270 | ✗ | s->bpc = (s->depth + 7) / 8; | |
| 271 | ✗ | s->max = (1 << s->depth) - 1; | |
| 272 | ✗ | s->ath = s->alpha * s->max; | |
| 273 | ✗ | s->bth = s->beta * s->max; | |
| 274 | ✗ | s->gth = s->gamma * s->max; | |
| 275 | ✗ | s->dth = s->delta * s->max; | |
| 276 | |||
| 277 | ✗ | if (s->depth <= 8 && s->filter == WEAK) { | |
| 278 | ✗ | s->deblockh = deblockh8_weak; | |
| 279 | ✗ | s->deblockv = deblockv8_weak; | |
| 280 | ✗ | } else if (s->depth > 8 && s->filter == WEAK) { | |
| 281 | ✗ | s->deblockh = deblockh16_weak; | |
| 282 | ✗ | s->deblockv = deblockv16_weak; | |
| 283 | } | ||
| 284 | ✗ | if (s->depth <= 8 && s->filter == STRONG) { | |
| 285 | ✗ | s->deblockh = deblockh8_strong; | |
| 286 | ✗ | s->deblockv = deblockv8_strong; | |
| 287 | ✗ | } else if (s->depth > 8 && s->filter == STRONG) { | |
| 288 | ✗ | s->deblockh = deblockh16_strong; | |
| 289 | ✗ | s->deblockv = deblockv16_strong; | |
| 290 | } | ||
| 291 | |||
| 292 | ✗ | s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w); | |
| 293 | ✗ | s->planewidth[0] = s->planewidth[3] = inlink->w; | |
| 294 | |||
| 295 | ✗ | s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h); | |
| 296 | ✗ | s->planeheight[0] = s->planeheight[3] = inlink->h; | |
| 297 | |||
| 298 | ✗ | return 0; | |
| 299 | } | ||
| 300 | |||
| 301 | ✗ | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 302 | { | ||
| 303 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 304 | ✗ | AVFilterLink *outlink = ctx->outputs[0]; | |
| 305 | ✗ | DeblockContext *s = ctx->priv; | |
| 306 | ✗ | const int block = s->block; | |
| 307 | AVFrame *out; | ||
| 308 | int plane, x, y; | ||
| 309 | |||
| 310 | ✗ | if (av_frame_is_writable(in)) { | |
| 311 | ✗ | out = in; | |
| 312 | } else { | ||
| 313 | ✗ | out = ff_get_video_buffer(outlink, outlink->w, outlink->h); | |
| 314 | ✗ | if (!out) { | |
| 315 | ✗ | av_frame_free(&in); | |
| 316 | ✗ | return AVERROR(ENOMEM); | |
| 317 | } | ||
| 318 | ✗ | av_frame_copy_props(out, in); | |
| 319 | } | ||
| 320 | |||
| 321 | ✗ | for (plane = 0; plane < s->nb_planes; plane++) { | |
| 322 | ✗ | const int width = s->planewidth[plane]; | |
| 323 | ✗ | const int height = s->planeheight[plane]; | |
| 324 | ✗ | const uint8_t *src = (const uint8_t *)in->data[plane]; | |
| 325 | ✗ | uint8_t *dst = (uint8_t *)out->data[plane]; | |
| 326 | |||
| 327 | ✗ | if (in != out) | |
| 328 | ✗ | av_image_copy_plane(dst, out->linesize[plane], | |
| 329 | ✗ | src, in->linesize[plane], | |
| 330 | ✗ | width * s->bpc, height); | |
| 331 | |||
| 332 | ✗ | if (!((1 << plane) & s->planes)) | |
| 333 | ✗ | continue; | |
| 334 | |||
| 335 | ✗ | for (x = block; x < width; x += block) | |
| 336 | ✗ | s->deblockv(dst + x * s->bpc, out->linesize[plane], | |
| 337 | ✗ | FFMIN(block, height), s->ath, s->bth, s->gth, s->dth, s->max); | |
| 338 | |||
| 339 | ✗ | for (y = block; y < height - block; y += block) { | |
| 340 | ✗ | dst += out->linesize[plane] * block; | |
| 341 | |||
| 342 | ✗ | s->deblockh(dst, out->linesize[plane], | |
| 343 | ✗ | FFMIN(block, width), | |
| 344 | s->ath, s->bth, s->gth, s->dth, s->max); | ||
| 345 | |||
| 346 | ✗ | for (x = block; x < width; x += block) { | |
| 347 | ✗ | s->deblockh(dst + x * s->bpc, out->linesize[plane], | |
| 348 | ✗ | FFMIN(block, width - x), | |
| 349 | s->ath, s->bth, s->gth, s->dth, s->max); | ||
| 350 | ✗ | s->deblockv(dst + x * s->bpc, out->linesize[plane], | |
| 351 | ✗ | FFMIN(block, height - y), | |
| 352 | s->ath, s->bth, s->gth, s->dth, s->max); | ||
| 353 | } | ||
| 354 | } | ||
| 355 | |||
| 356 | ✗ | dst += out->linesize[plane] * block; | |
| 357 | ✗ | for (x = block; x < width; x += block) | |
| 358 | ✗ | s->deblockv(dst + x * s->bpc, out->linesize[plane], | |
| 359 | ✗ | FFMIN(block, height - y), s->ath, s->bth, s->gth, s->dth, s->max); | |
| 360 | |||
| 361 | } | ||
| 362 | |||
| 363 | ✗ | if (in != out) | |
| 364 | ✗ | av_frame_free(&in); | |
| 365 | ✗ | return ff_filter_frame(outlink, out); | |
| 366 | } | ||
| 367 | |||
| 368 | ✗ | static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, | |
| 369 | char *res, int res_len, int flags) | ||
| 370 | { | ||
| 371 | int ret; | ||
| 372 | |||
| 373 | ✗ | ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); | |
| 374 | ✗ | if (ret < 0) | |
| 375 | ✗ | return ret; | |
| 376 | |||
| 377 | ✗ | return config_output(ctx->outputs[0]); | |
| 378 | } | ||
| 379 | |||
| 380 | #define OFFSET(x) offsetof(DeblockContext, x) | ||
| 381 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM | ||
| 382 | |||
| 383 | static const AVOption deblock_options[] = { | ||
| 384 | { "filter", "set type of filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=STRONG},0, 1, FLAGS, .unit = "filter" }, | ||
| 385 | { "weak", 0, 0, AV_OPT_TYPE_CONST, {.i64=WEAK}, 0, 0, FLAGS, .unit = "filter" }, | ||
| 386 | { "strong", 0, 0, AV_OPT_TYPE_CONST, {.i64=STRONG},0, 0, FLAGS, .unit = "filter" }, | ||
| 387 | { "block", "set size of block", OFFSET(block), AV_OPT_TYPE_INT, {.i64=8}, 4, 512, FLAGS }, | ||
| 388 | { "alpha", "set 1st detection threshold", OFFSET(alpha), AV_OPT_TYPE_FLOAT, {.dbl=.098}, 0, 1, FLAGS }, | ||
| 389 | { "beta", "set 2nd detection threshold", OFFSET(beta), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS }, | ||
| 390 | { "gamma", "set 3rd detection threshold", OFFSET(gamma), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS }, | ||
| 391 | { "delta", "set 4th detection threshold", OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS }, | ||
| 392 | { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS }, | ||
| 393 | { NULL }, | ||
| 394 | }; | ||
| 395 | |||
| 396 | static const AVFilterPad inputs[] = { | ||
| 397 | { | ||
| 398 | .name = "default", | ||
| 399 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 400 | .filter_frame = filter_frame, | ||
| 401 | }, | ||
| 402 | }; | ||
| 403 | |||
| 404 | static const AVFilterPad outputs[] = { | ||
| 405 | { | ||
| 406 | .name = "default", | ||
| 407 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 408 | .config_props = config_output, | ||
| 409 | }, | ||
| 410 | }; | ||
| 411 | |||
| 412 | AVFILTER_DEFINE_CLASS(deblock); | ||
| 413 | |||
| 414 | const FFFilter ff_vf_deblock = { | ||
| 415 | .p.name = "deblock", | ||
| 416 | .p.description = NULL_IF_CONFIG_SMALL("Deblock video."), | ||
| 417 | .p.priv_class = &deblock_class, | ||
| 418 | .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, | ||
| 419 | .priv_size = sizeof(DeblockContext), | ||
| 420 | FILTER_INPUTS(inputs), | ||
| 421 | FILTER_OUTPUTS(outputs), | ||
| 422 | FILTER_PIXFMTS_ARRAY(pixel_fmts), | ||
| 423 | .process_command = process_command, | ||
| 424 | }; | ||
| 425 |