| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2022 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/common.h" | ||
| 22 | #include "libavutil/internal.h" | ||
| 23 | #include "libavutil/imgutils.h" | ||
| 24 | #include "libavutil/opt.h" | ||
| 25 | |||
| 26 | #include "avfilter.h" | ||
| 27 | #include "filters.h" | ||
| 28 | #include "video.h" | ||
| 29 | |||
| 30 | enum PixelizeModes { | ||
| 31 | PIXELIZE_AVG, | ||
| 32 | PIXELIZE_MIN, | ||
| 33 | PIXELIZE_MAX, | ||
| 34 | PIXELIZE_MODES | ||
| 35 | }; | ||
| 36 | |||
| 37 | typedef struct PixelizeContext { | ||
| 38 | const AVClass *class; | ||
| 39 | |||
| 40 | int block_w[4], block_h[4]; | ||
| 41 | int mode; | ||
| 42 | |||
| 43 | int depth; | ||
| 44 | int planes; | ||
| 45 | int nb_planes; | ||
| 46 | int linesize[4]; | ||
| 47 | int planewidth[4]; | ||
| 48 | int planeheight[4]; | ||
| 49 | |||
| 50 | int log2_chroma_w; | ||
| 51 | int log2_chroma_h; | ||
| 52 | |||
| 53 | int (*pixelize[PIXELIZE_MODES])(const uint8_t *src, uint8_t *dst, | ||
| 54 | ptrdiff_t src_linesize, | ||
| 55 | ptrdiff_t dst_linesize, | ||
| 56 | int w, int h); | ||
| 57 | } PixelizeContext; | ||
| 58 | |||
| 59 | static const enum AVPixelFormat pix_fmts[] = { | ||
| 60 | AV_PIX_FMT_GRAY8, | ||
| 61 | AV_PIX_FMT_GRAY9, | ||
| 62 | AV_PIX_FMT_GRAY10, | ||
| 63 | AV_PIX_FMT_GRAY12, | ||
| 64 | AV_PIX_FMT_GRAY14, | ||
| 65 | AV_PIX_FMT_GRAY16, | ||
| 66 | AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, | ||
| 67 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, | ||
| 68 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, | ||
| 69 | AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, | ||
| 70 | AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, | ||
| 71 | AV_PIX_FMT_YUVJ411P, | ||
| 72 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 73 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 74 | AV_PIX_FMT_YUV440P10, | ||
| 75 | AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12, | ||
| 76 | AV_PIX_FMT_YUV440P12, | ||
| 77 | AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14, | ||
| 78 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 79 | AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, | ||
| 80 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
| 81 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, | ||
| 82 | AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16, | ||
| 83 | AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16, | ||
| 84 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, | ||
| 85 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, | ||
| 86 | AV_PIX_FMT_NONE | ||
| 87 | }; | ||
| 88 | |||
| 89 | typedef struct ThreadData { | ||
| 90 | AVFrame *in, *out; | ||
| 91 | } ThreadData; | ||
| 92 | |||
| 93 | #define PIXELIZE_AVG(name, type, stype) \ | ||
| 94 | static int pixelize_avg##name(const uint8_t *ssrc, uint8_t *ddst, \ | ||
| 95 | ptrdiff_t src_linesize, ptrdiff_t dst_linesize, \ | ||
| 96 | int w, int h) \ | ||
| 97 | { \ | ||
| 98 | const type *src = (const type *)ssrc; \ | ||
| 99 | type *dst = (type *)ddst; \ | ||
| 100 | stype sum = 0; \ | ||
| 101 | type fill; \ | ||
| 102 | for (int y = 0; y < h; y++) { \ | ||
| 103 | for (int x = 0; x < w; x++) \ | ||
| 104 | sum += src[x]; \ | ||
| 105 | \ | ||
| 106 | src += src_linesize / sizeof(type); \ | ||
| 107 | } \ | ||
| 108 | \ | ||
| 109 | fill = sum / (w * h); \ | ||
| 110 | \ | ||
| 111 | for (int y = 0; y < h; y++) { \ | ||
| 112 | for (int x = 0; x < w; x++) \ | ||
| 113 | dst[x] = fill; \ | ||
| 114 | \ | ||
| 115 | dst += dst_linesize / sizeof(type); \ | ||
| 116 | } \ | ||
| 117 | \ | ||
| 118 | return 0; \ | ||
| 119 | } | ||
| 120 | |||
| 121 | #define PIXELIZE_MIN(name, type, stype) \ | ||
| 122 | static int pixelize_min##name(const uint8_t *ssrc, uint8_t *ddst, \ | ||
| 123 | ptrdiff_t src_linesize, ptrdiff_t dst_linesize, \ | ||
| 124 | int w, int h) \ | ||
| 125 | { \ | ||
| 126 | const type *src = (const type *)ssrc; \ | ||
| 127 | type *dst = (type *)ddst; \ | ||
| 128 | type fill = src[0]; \ | ||
| 129 | \ | ||
| 130 | for (int y = 0; y < h; y++) { \ | ||
| 131 | for (int x = 0; x < w; x++) \ | ||
| 132 | fill = FFMIN(src[x], fill); \ | ||
| 133 | \ | ||
| 134 | src += src_linesize / sizeof(type); \ | ||
| 135 | } \ | ||
| 136 | \ | ||
| 137 | for (int y = 0; y < h; y++) { \ | ||
| 138 | for (int x = 0; x < w; x++) \ | ||
| 139 | dst[x] = fill; \ | ||
| 140 | \ | ||
| 141 | dst += dst_linesize / sizeof(type); \ | ||
| 142 | } \ | ||
| 143 | \ | ||
| 144 | return 0; \ | ||
| 145 | } | ||
| 146 | |||
| 147 | #define PIXELIZE_MAX(name, type, stype) \ | ||
| 148 | static int pixelize_max##name(const uint8_t *ssrc, uint8_t *ddst, \ | ||
| 149 | ptrdiff_t src_linesize, ptrdiff_t dst_linesize, \ | ||
| 150 | int w, int h) \ | ||
| 151 | { \ | ||
| 152 | const type *src = (const type *)ssrc; \ | ||
| 153 | type *dst = (type *)ddst; \ | ||
| 154 | type fill = src[0]; \ | ||
| 155 | \ | ||
| 156 | for (int y = 0; y < h; y++) { \ | ||
| 157 | for (int x = 0; x < w; x++) \ | ||
| 158 | fill = FFMAX(src[x], fill); \ | ||
| 159 | \ | ||
| 160 | src += src_linesize / sizeof(type); \ | ||
| 161 | } \ | ||
| 162 | \ | ||
| 163 | for (int y = 0; y < h; y++) { \ | ||
| 164 | for (int x = 0; x < w; x++) \ | ||
| 165 | dst[x] = fill; \ | ||
| 166 | \ | ||
| 167 | dst += dst_linesize / sizeof(type); \ | ||
| 168 | } \ | ||
| 169 | \ | ||
| 170 | return 0; \ | ||
| 171 | } | ||
| 172 | |||
| 173 |
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1653300 | PIXELIZE_AVG(8, uint8_t, unsigned) |
| 174 | ✗ | PIXELIZE_AVG(16, uint16_t, uint64_t) | |
| 175 |
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1653300 | PIXELIZE_MIN(8, uint8_t, unsigned) |
| 176 | ✗ | PIXELIZE_MIN(16, uint16_t, uint64_t) | |
| 177 |
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1653300 | PIXELIZE_MAX(8, uint8_t, unsigned) |
| 178 | ✗ | PIXELIZE_MAX(16, uint16_t, uint64_t) | |
| 179 | |||
| 180 | 15 | static int pixelize_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 181 | { | ||
| 182 | 15 | PixelizeContext *s = ctx->priv; | |
| 183 | 15 | const int mode = s->mode; | |
| 184 | 15 | ThreadData *td = arg; | |
| 185 | 15 | AVFrame *out = td->out; | |
| 186 | 15 | AVFrame *in = td->in; | |
| 187 | |||
| 188 |
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60 | for (int p = 0; p < s->nb_planes; p++) { |
| 189 | 45 | const int wh = s->planeheight[p]; | |
| 190 | 45 | const int h = (s->planeheight[p] + s->block_h[p] - 1) / s->block_h[p]; | |
| 191 | 45 | const int w = (s->planewidth[p] + s->block_w[p] - 1) / s->block_w[p]; | |
| 192 | 45 | const int wslice_start = (wh * jobnr) / nb_jobs; | |
| 193 | 45 | const int wslice_end = (wh * (jobnr+1)) / nb_jobs; | |
| 194 | 45 | const int slice_start = (h * jobnr) / nb_jobs; | |
| 195 | 45 | const int slice_end = (h * (jobnr+1)) / nb_jobs; | |
| 196 | 45 | const ptrdiff_t out_linesize = out->linesize[p]; | |
| 197 | 45 | const ptrdiff_t in_linesize = in->linesize[p]; | |
| 198 | 45 | const uint8_t *src = in->data[p]; | |
| 199 | 45 | uint8_t *dst = out->data[p]; | |
| 200 | |||
| 201 |
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45 | if (!((1 << p) & s->planes)) { |
| 202 | ✗ | av_image_copy_plane(dst + wslice_start * out_linesize, | |
| 203 | out_linesize, | ||
| 204 | ✗ | src + wslice_start * in_linesize, | |
| 205 | in_linesize, | ||
| 206 | s->linesize[p], wslice_end - wslice_start); | ||
| 207 | ✗ | continue; | |
| 208 | } | ||
| 209 | |||
| 210 |
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855 | for (int y = slice_start; y < slice_end; y++) { |
| 211 | 810 | const int block_h = FFMIN(s->block_h[p], s->planeheight[p] - y * s->block_h[p]); | |
| 212 |
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18630 | for (int x = 0; x < w; x++) { |
| 213 | 17820 | const int block_w = FFMIN(s->block_w[p], s->planewidth[p] - x * s->block_w[p]); | |
| 214 | |||
| 215 | 53460 | s->pixelize[mode](src + s->block_h[p] * y * in_linesize + | |
| 216 | 17820 | x * s->block_w[p] * (1 + (s->depth > 8)), | |
| 217 | 35640 | dst + s->block_h[p] * y * out_linesize + | |
| 218 |
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17820 | x * s->block_w[p] * (1 + (s->depth > 8)), |
| 219 | in_linesize, out_linesize, block_w, block_h); | ||
| 220 | } | ||
| 221 | } | ||
| 222 | } | ||
| 223 | |||
| 224 | 15 | return 0; | |
| 225 | } | ||
| 226 | |||
| 227 | 3 | static int config_output(AVFilterLink *outlink) | |
| 228 | { | ||
| 229 | 3 | AVFilterContext *ctx = outlink->src; | |
| 230 | 3 | PixelizeContext *s = ctx->priv; | |
| 231 | 3 | AVFilterLink *inlink = ctx->inputs[0]; | |
| 232 | const AVPixFmtDescriptor *desc; | ||
| 233 | int ret; | ||
| 234 | |||
| 235 | 3 | desc = av_pix_fmt_desc_get(outlink->format); | |
| 236 |
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3 | if (!desc) |
| 237 | ✗ | return AVERROR_BUG; | |
| 238 | 3 | s->nb_planes = av_pix_fmt_count_planes(outlink->format); | |
| 239 | 3 | s->depth = desc->comp[0].depth; | |
| 240 | |||
| 241 |
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3 | if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0) |
| 242 | ✗ | return ret; | |
| 243 | |||
| 244 | 3 | s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); | |
| 245 | 3 | s->planewidth[0] = s->planewidth[3] = inlink->w; | |
| 246 | |||
| 247 | 3 | s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); | |
| 248 | 3 | s->planeheight[0] = s->planeheight[3] = inlink->h; | |
| 249 | |||
| 250 | 3 | s->log2_chroma_w = desc->log2_chroma_w; | |
| 251 | 3 | s->log2_chroma_h = desc->log2_chroma_h; | |
| 252 | |||
| 253 |
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3 | s->pixelize[PIXELIZE_AVG] = s->depth <= 8 ? pixelize_avg8 : pixelize_avg16; |
| 254 |
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3 | s->pixelize[PIXELIZE_MIN] = s->depth <= 8 ? pixelize_min8 : pixelize_min16; |
| 255 |
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3 | s->pixelize[PIXELIZE_MAX] = s->depth <= 8 ? pixelize_max8 : pixelize_max16; |
| 256 | |||
| 257 | 3 | return 0; | |
| 258 | } | ||
| 259 | |||
| 260 | 15 | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 261 | { | ||
| 262 | 15 | AVFilterContext *ctx = inlink->dst; | |
| 263 | 15 | AVFilterLink *outlink = ctx->outputs[0]; | |
| 264 | 15 | PixelizeContext *s = ctx->priv; | |
| 265 | ThreadData td; | ||
| 266 | AVFrame *out; | ||
| 267 | int ret; | ||
| 268 | |||
| 269 | 15 | s->block_w[1] = s->block_w[2] = FFMAX(1, s->block_w[0] >> s->log2_chroma_w); | |
| 270 | 15 | s->block_w[3] = s->block_w[0] = s->block_w[1] << s->log2_chroma_w; | |
| 271 | |||
| 272 | 15 | s->block_h[1] = s->block_h[2] = FFMAX(1, s->block_h[0] >> s->log2_chroma_h); | |
| 273 | 15 | s->block_h[3] = s->block_h[0] = s->block_h[1] << s->log2_chroma_h; | |
| 274 | |||
| 275 |
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15 | if (av_frame_is_writable(in)) { |
| 276 | 15 | out = in; | |
| 277 | } else { | ||
| 278 | ✗ | out = ff_get_video_buffer(outlink, outlink->w, outlink->h); | |
| 279 | ✗ | if (!out) { | |
| 280 | ✗ | ret = AVERROR(ENOMEM); | |
| 281 | ✗ | goto fail; | |
| 282 | } | ||
| 283 | |||
| 284 | ✗ | ret = av_frame_copy_props(out, in); | |
| 285 | ✗ | if (ret < 0) { | |
| 286 | ✗ | av_frame_free(&out); | |
| 287 | ✗ | goto fail; | |
| 288 | } | ||
| 289 | } | ||
| 290 | |||
| 291 | 15 | td.out = out; | |
| 292 | 15 | td.in = in; | |
| 293 | 15 | ff_filter_execute(ctx, pixelize_slice, &td, NULL, | |
| 294 |
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15 | FFMIN((s->planeheight[1] + s->block_h[1] - 1) / s->block_h[1], |
| 295 | ff_filter_get_nb_threads(ctx))); | ||
| 296 | |||
| 297 |
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15 | if (out != in) |
| 298 | ✗ | av_frame_free(&in); | |
| 299 | 15 | return ff_filter_frame(outlink, out); | |
| 300 | ✗ | fail: | |
| 301 | ✗ | av_frame_free(&in); | |
| 302 | ✗ | return ret; | |
| 303 | } | ||
| 304 | |||
| 305 | #define OFFSET(x) offsetof(PixelizeContext, x) | ||
| 306 | #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_RUNTIME_PARAM) | ||
| 307 | |||
| 308 | static const AVOption pixelize_options[] = { | ||
| 309 | { "width", "set block width", OFFSET(block_w[0]), AV_OPT_TYPE_INT, {.i64=16}, 1, 1024, FLAGS }, | ||
| 310 | { "w", "set block width", OFFSET(block_w[0]), AV_OPT_TYPE_INT, {.i64=16}, 1, 1024, FLAGS }, | ||
| 311 | { "height", "set block height", OFFSET(block_h[0]), AV_OPT_TYPE_INT, {.i64=16}, 1, 1024, FLAGS }, | ||
| 312 | { "h", "set block height", OFFSET(block_h[0]), AV_OPT_TYPE_INT, {.i64=16}, 1, 1024, FLAGS }, | ||
| 313 | { "mode", "set the pixelize mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, PIXELIZE_MODES-1, FLAGS, .unit = "mode" }, | ||
| 314 | { "m", "set the pixelize mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, PIXELIZE_MODES-1, FLAGS, .unit = "mode" }, | ||
| 315 | { "avg", "average", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE_AVG}, 0, 0, FLAGS, .unit = "mode" }, | ||
| 316 | { "min", "minimum", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE_MIN}, 0, 0, FLAGS, .unit = "mode" }, | ||
| 317 | { "max", "maximum", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE_MAX}, 0, 0, FLAGS, .unit = "mode" }, | ||
| 318 | { "planes", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=15}, 0, 15, FLAGS }, | ||
| 319 | { "p", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=15}, 0, 15, FLAGS }, | ||
| 320 | { NULL }, | ||
| 321 | }; | ||
| 322 | |||
| 323 | AVFILTER_DEFINE_CLASS(pixelize); | ||
| 324 | |||
| 325 | static const AVFilterPad pixelize_inputs[] = { | ||
| 326 | { | ||
| 327 | .name = "default", | ||
| 328 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 329 | .filter_frame = filter_frame, | ||
| 330 | }, | ||
| 331 | }; | ||
| 332 | |||
| 333 | static const AVFilterPad pixelize_outputs[] = { | ||
| 334 | { | ||
| 335 | .name = "default", | ||
| 336 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 337 | .config_props = config_output, | ||
| 338 | }, | ||
| 339 | }; | ||
| 340 | |||
| 341 | const AVFilter ff_vf_pixelize = { | ||
| 342 | .name = "pixelize", | ||
| 343 | .description = NULL_IF_CONFIG_SMALL("Pixelize video."), | ||
| 344 | .priv_size = sizeof(PixelizeContext), | ||
| 345 | .priv_class = &pixelize_class, | ||
| 346 | FILTER_INPUTS(pixelize_inputs), | ||
| 347 | FILTER_OUTPUTS(pixelize_outputs), | ||
| 348 | FILTER_PIXFMTS_ARRAY(pix_fmts), | ||
| 349 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, | ||
| 350 | .process_command = ff_filter_process_command, | ||
| 351 | }; | ||
| 352 |