| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/opt.h" | ||
| 20 | #include "libavutil/pixdesc.h" | ||
| 21 | #include "avfilter.h" | ||
| 22 | #include "filters.h" | ||
| 23 | #include "video.h" | ||
| 24 | |||
| 25 | typedef struct ColorizeContext { | ||
| 26 | const AVClass *class; | ||
| 27 | |||
| 28 | float hue; | ||
| 29 | float saturation; | ||
| 30 | float lightness; | ||
| 31 | float mix; | ||
| 32 | |||
| 33 | int depth; | ||
| 34 | int c[3]; | ||
| 35 | int planewidth[4]; | ||
| 36 | int planeheight[4]; | ||
| 37 | |||
| 38 | int (*do_plane_slice[2])(AVFilterContext *s, void *arg, | ||
| 39 | int jobnr, int nb_jobs); | ||
| 40 | } ColorizeContext; | ||
| 41 | |||
| 42 | ✗ | static inline float lerpf(float v0, float v1, float f) | |
| 43 | { | ||
| 44 | ✗ | return v0 + (v1 - v0) * f; | |
| 45 | } | ||
| 46 | |||
| 47 | ✗ | static int colorizey_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 48 | { | ||
| 49 | ✗ | ColorizeContext *s = ctx->priv; | |
| 50 | ✗ | AVFrame *frame = arg; | |
| 51 | ✗ | const int width = s->planewidth[0]; | |
| 52 | ✗ | const int height = s->planeheight[0]; | |
| 53 | ✗ | const int slice_start = (height * jobnr) / nb_jobs; | |
| 54 | ✗ | const int slice_end = (height * (jobnr + 1)) / nb_jobs; | |
| 55 | ✗ | const ptrdiff_t ylinesize = frame->linesize[0]; | |
| 56 | ✗ | uint8_t *yptr = frame->data[0] + slice_start * ylinesize; | |
| 57 | ✗ | const int yv = s->c[0]; | |
| 58 | ✗ | const float mix = s->mix; | |
| 59 | |||
| 60 | ✗ | for (int y = slice_start; y < slice_end; y++) { | |
| 61 | ✗ | for (int x = 0; x < width; x++) | |
| 62 | ✗ | yptr[x] = lerpf(yv, yptr[x], mix); | |
| 63 | |||
| 64 | ✗ | yptr += ylinesize; | |
| 65 | } | ||
| 66 | |||
| 67 | ✗ | return 0; | |
| 68 | } | ||
| 69 | |||
| 70 | ✗ | static int colorizey_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 71 | { | ||
| 72 | ✗ | ColorizeContext *s = ctx->priv; | |
| 73 | ✗ | AVFrame *frame = arg; | |
| 74 | ✗ | const int width = s->planewidth[0]; | |
| 75 | ✗ | const int height = s->planeheight[0]; | |
| 76 | ✗ | const int slice_start = (height * jobnr) / nb_jobs; | |
| 77 | ✗ | const int slice_end = (height * (jobnr + 1)) / nb_jobs; | |
| 78 | ✗ | const ptrdiff_t ylinesize = frame->linesize[0] / 2; | |
| 79 | ✗ | uint16_t *yptr = (uint16_t *)frame->data[0] + slice_start * ylinesize; | |
| 80 | ✗ | const int yv = s->c[0]; | |
| 81 | ✗ | const float mix = s->mix; | |
| 82 | |||
| 83 | ✗ | for (int y = slice_start; y < slice_end; y++) { | |
| 84 | ✗ | for (int x = 0; x < width; x++) | |
| 85 | ✗ | yptr[x] = lerpf(yv, yptr[x], mix); | |
| 86 | |||
| 87 | ✗ | yptr += ylinesize; | |
| 88 | } | ||
| 89 | |||
| 90 | ✗ | return 0; | |
| 91 | } | ||
| 92 | |||
| 93 | ✗ | static int colorize_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 94 | { | ||
| 95 | ✗ | ColorizeContext *s = ctx->priv; | |
| 96 | ✗ | AVFrame *frame = arg; | |
| 97 | ✗ | const int width = s->planewidth[1]; | |
| 98 | ✗ | const int height = s->planeheight[1]; | |
| 99 | ✗ | const int slice_start = (height * jobnr) / nb_jobs; | |
| 100 | ✗ | const int slice_end = (height * (jobnr + 1)) / nb_jobs; | |
| 101 | ✗ | const ptrdiff_t ulinesize = frame->linesize[1]; | |
| 102 | ✗ | const ptrdiff_t vlinesize = frame->linesize[2]; | |
| 103 | ✗ | uint8_t *uptr = frame->data[1] + slice_start * ulinesize; | |
| 104 | ✗ | uint8_t *vptr = frame->data[2] + slice_start * vlinesize; | |
| 105 | ✗ | const int u = s->c[1]; | |
| 106 | ✗ | const int v = s->c[2]; | |
| 107 | |||
| 108 | ✗ | for (int y = slice_start; y < slice_end; y++) { | |
| 109 | ✗ | for (int x = 0; x < width; x++) { | |
| 110 | ✗ | uptr[x] = u; | |
| 111 | ✗ | vptr[x] = v; | |
| 112 | } | ||
| 113 | |||
| 114 | ✗ | uptr += ulinesize; | |
| 115 | ✗ | vptr += vlinesize; | |
| 116 | } | ||
| 117 | |||
| 118 | ✗ | return 0; | |
| 119 | } | ||
| 120 | |||
| 121 | ✗ | static int colorize_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 122 | { | ||
| 123 | ✗ | ColorizeContext *s = ctx->priv; | |
| 124 | ✗ | AVFrame *frame = arg; | |
| 125 | ✗ | const int width = s->planewidth[1]; | |
| 126 | ✗ | const int height = s->planeheight[1]; | |
| 127 | ✗ | const int slice_start = (height * jobnr) / nb_jobs; | |
| 128 | ✗ | const int slice_end = (height * (jobnr + 1)) / nb_jobs; | |
| 129 | ✗ | const ptrdiff_t ulinesize = frame->linesize[1] / 2; | |
| 130 | ✗ | const ptrdiff_t vlinesize = frame->linesize[2] / 2; | |
| 131 | ✗ | uint16_t *uptr = (uint16_t *)frame->data[1] + slice_start * ulinesize; | |
| 132 | ✗ | uint16_t *vptr = (uint16_t *)frame->data[2] + slice_start * vlinesize; | |
| 133 | ✗ | const int u = s->c[1]; | |
| 134 | ✗ | const int v = s->c[2]; | |
| 135 | |||
| 136 | ✗ | for (int y = slice_start; y < slice_end; y++) { | |
| 137 | ✗ | for (int x = 0; x < width; x++) { | |
| 138 | ✗ | uptr[x] = u; | |
| 139 | ✗ | vptr[x] = v; | |
| 140 | } | ||
| 141 | |||
| 142 | ✗ | uptr += ulinesize; | |
| 143 | ✗ | vptr += vlinesize; | |
| 144 | } | ||
| 145 | |||
| 146 | ✗ | return 0; | |
| 147 | } | ||
| 148 | |||
| 149 | ✗ | static int do_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 150 | { | ||
| 151 | ✗ | ColorizeContext *s = ctx->priv; | |
| 152 | |||
| 153 | ✗ | s->do_plane_slice[0](ctx, arg, jobnr, nb_jobs); | |
| 154 | ✗ | s->do_plane_slice[1](ctx, arg, jobnr, nb_jobs); | |
| 155 | |||
| 156 | ✗ | return 0; | |
| 157 | } | ||
| 158 | |||
| 159 | ✗ | static float hue2rgb(float p, float q, float t) | |
| 160 | { | ||
| 161 | ✗ | if (t < 0.f) t += 1.f; | |
| 162 | ✗ | if (t > 1.f) t -= 1.f; | |
| 163 | ✗ | if (t < 1.f/6.f) return p + (q - p) * 6.f * t; | |
| 164 | ✗ | if (t < 1.f/2.f) return q; | |
| 165 | ✗ | if (t < 2.f/3.f) return p + (q - p) * (2.f/3.f - t) * 6.f; | |
| 166 | |||
| 167 | ✗ | return p; | |
| 168 | } | ||
| 169 | |||
| 170 | ✗ | static void hsl2rgb(float h, float s, float l, float *r, float *g, float *b) | |
| 171 | { | ||
| 172 | ✗ | h /= 360.f; | |
| 173 | |||
| 174 | ✗ | if (s == 0.f) { | |
| 175 | ✗ | *r = *g = *b = l; | |
| 176 | } else { | ||
| 177 | ✗ | const float q = l < 0.5f ? l * (1.f + s) : l + s - l * s; | |
| 178 | ✗ | const float p = 2.f * l - q; | |
| 179 | |||
| 180 | ✗ | *r = hue2rgb(p, q, h + 1.f / 3.f); | |
| 181 | ✗ | *g = hue2rgb(p, q, h); | |
| 182 | ✗ | *b = hue2rgb(p, q, h - 1.f / 3.f); | |
| 183 | } | ||
| 184 | ✗ | } | |
| 185 | |||
| 186 | ✗ | static void rgb2yuv(float r, float g, float b, int *y, int *u, int *v, int depth) | |
| 187 | { | ||
| 188 | ✗ | *y = ((0.21260*219.0/255.0) * r + (0.71520*219.0/255.0) * g + | |
| 189 | ✗ | (0.07220*219.0/255.0) * b) * ((1 << depth) - 1); | |
| 190 | ✗ | *u = (-(0.11457*224.0/255.0) * r - (0.38543*224.0/255.0) * g + | |
| 191 | ✗ | (0.50000*224.0/255.0) * b + 0.5) * ((1 << depth) - 1); | |
| 192 | ✗ | *v = ((0.50000*224.0/255.0) * r - (0.45415*224.0/255.0) * g - | |
| 193 | ✗ | (0.04585*224.0/255.0) * b + 0.5) * ((1 << depth) - 1); | |
| 194 | ✗ | } | |
| 195 | |||
| 196 | ✗ | static int filter_frame(AVFilterLink *inlink, AVFrame *frame) | |
| 197 | { | ||
| 198 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 199 | ✗ | ColorizeContext *s = ctx->priv; | |
| 200 | float c[3]; | ||
| 201 | |||
| 202 | ✗ | hsl2rgb(s->hue, s->saturation, s->lightness, &c[0], &c[1], &c[2]); | |
| 203 | ✗ | rgb2yuv(c[0], c[1], c[2], &s->c[0], &s->c[1], &s->c[2], s->depth); | |
| 204 | |||
| 205 | ✗ | ff_filter_execute(ctx, do_slice, frame, NULL, | |
| 206 | ✗ | FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx))); | |
| 207 | |||
| 208 | ✗ | return ff_filter_frame(ctx->outputs[0], frame); | |
| 209 | } | ||
| 210 | |||
| 211 | static const enum AVPixelFormat pixel_fmts[] = { | ||
| 212 | AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, | ||
| 213 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, | ||
| 214 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, | ||
| 215 | AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, | ||
| 216 | AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, | ||
| 217 | AV_PIX_FMT_YUVJ411P, | ||
| 218 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 219 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 220 | AV_PIX_FMT_YUV440P10, | ||
| 221 | AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12, | ||
| 222 | AV_PIX_FMT_YUV440P12, | ||
| 223 | AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14, | ||
| 224 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 225 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, | ||
| 226 | AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16, | ||
| 227 | AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16, | ||
| 228 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, | ||
| 229 | AV_PIX_FMT_NONE | ||
| 230 | }; | ||
| 231 | |||
| 232 | ✗ | static av_cold int config_input(AVFilterLink *inlink) | |
| 233 | { | ||
| 234 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 235 | ✗ | ColorizeContext *s = ctx->priv; | |
| 236 | ✗ | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); | |
| 237 | int depth; | ||
| 238 | |||
| 239 | ✗ | s->depth = depth = desc->comp[0].depth; | |
| 240 | |||
| 241 | ✗ | s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); | |
| 242 | ✗ | s->planewidth[0] = s->planewidth[3] = inlink->w; | |
| 243 | ✗ | s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); | |
| 244 | ✗ | s->planeheight[0] = s->planeheight[3] = inlink->h; | |
| 245 | |||
| 246 | ✗ | s->do_plane_slice[0] = depth <= 8 ? colorizey_slice8 : colorizey_slice16; | |
| 247 | ✗ | s->do_plane_slice[1] = depth <= 8 ? colorize_slice8 : colorize_slice16; | |
| 248 | |||
| 249 | ✗ | return 0; | |
| 250 | } | ||
| 251 | |||
| 252 | static const AVFilterPad colorize_inputs[] = { | ||
| 253 | { | ||
| 254 | .name = "default", | ||
| 255 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 256 | .flags = AVFILTERPAD_FLAG_NEEDS_WRITABLE, | ||
| 257 | .filter_frame = filter_frame, | ||
| 258 | .config_props = config_input, | ||
| 259 | }, | ||
| 260 | }; | ||
| 261 | |||
| 262 | #define OFFSET(x) offsetof(ColorizeContext, x) | ||
| 263 | #define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM | ||
| 264 | |||
| 265 | static const AVOption colorize_options[] = { | ||
| 266 | { "hue", "set the hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 360, VF }, | ||
| 267 | { "saturation", "set the saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF }, | ||
| 268 | { "lightness", "set the lightness", OFFSET(lightness), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF }, | ||
| 269 | { "mix", "set the mix of source lightness", OFFSET(mix), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, VF }, | ||
| 270 | { NULL } | ||
| 271 | }; | ||
| 272 | |||
| 273 | AVFILTER_DEFINE_CLASS(colorize); | ||
| 274 | |||
| 275 | const FFFilter ff_vf_colorize = { | ||
| 276 | .p.name = "colorize", | ||
| 277 | .p.description = NULL_IF_CONFIG_SMALL("Overlay a solid color on the video stream."), | ||
| 278 | .p.priv_class = &colorize_class, | ||
| 279 | .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, | ||
| 280 | .priv_size = sizeof(ColorizeContext), | ||
| 281 | FILTER_INPUTS(colorize_inputs), | ||
| 282 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
| 283 | FILTER_PIXFMTS_ARRAY(pixel_fmts), | ||
| 284 | .process_command = ff_filter_process_command, | ||
| 285 | }; | ||
| 286 |