1 /*
2 * Copyright (c) 2013 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/imgutils.h"
22 #include "libavutil/opt.h"
23 #include "libavutil/pixdesc.h"
24 #include "avfilter.h"
25 #include "drawutils.h"
26 #include "formats.h"
27 #include "internal.h"
28 #include "video.h"
29 #include "preserve_color.h"
30
31 #define R 0
32 #define G 1
33 #define B 2
34 #define A 3
35
36 typedef struct Range {
37 double in_min, in_max;
38 double out_min, out_max;
39 } Range;
40
41 typedef struct ColorLevelsContext {
42 const AVClass *class;
43 Range range[4];
44 int preserve_color;
45
46 int nb_comp;
47 int depth;
48 int max;
49 int planar;
50 int bpp;
51 int step;
52 uint8_t rgba_map[4];
53 int linesize;
54
55 int (*colorlevels_slice[2])(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
56 } ColorLevelsContext;
57
58 #define OFFSET(x) offsetof(ColorLevelsContext, x)
59 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
60 static const AVOption colorlevels_options[] = {
61 { "rimin", "set input red black point", OFFSET(range[R].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
62 { "gimin", "set input green black point", OFFSET(range[G].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
63 { "bimin", "set input blue black point", OFFSET(range[B].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
64 { "aimin", "set input alpha black point", OFFSET(range[A].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
65 { "rimax", "set input red white point", OFFSET(range[R].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
66 { "gimax", "set input green white point", OFFSET(range[G].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
67 { "bimax", "set input blue white point", OFFSET(range[B].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
68 { "aimax", "set input alpha white point", OFFSET(range[A].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
69 { "romin", "set output red black point", OFFSET(range[R].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
70 { "gomin", "set output green black point", OFFSET(range[G].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
71 { "bomin", "set output blue black point", OFFSET(range[B].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
72 { "aomin", "set output alpha black point", OFFSET(range[A].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
73 { "romax", "set output red white point", OFFSET(range[R].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
74 { "gomax", "set output green white point", OFFSET(range[G].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
75 { "bomax", "set output blue white point", OFFSET(range[B].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
76 { "aomax", "set output alpha white point", OFFSET(range[A].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
77 { "preserve", "set preserve color mode", OFFSET(preserve_color), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_PRESERVE-1, FLAGS, "preserve" },
78 { "none", "disabled", 0, AV_OPT_TYPE_CONST, {.i64=P_NONE}, 0, 0, FLAGS, "preserve" },
79 { "lum", "luminance", 0, AV_OPT_TYPE_CONST, {.i64=P_LUM}, 0, 0, FLAGS, "preserve" },
80 { "max", "max", 0, AV_OPT_TYPE_CONST, {.i64=P_MAX}, 0, 0, FLAGS, "preserve" },
81 { "avg", "average", 0, AV_OPT_TYPE_CONST, {.i64=P_AVG}, 0, 0, FLAGS, "preserve" },
82 { "sum", "sum", 0, AV_OPT_TYPE_CONST, {.i64=P_SUM}, 0, 0, FLAGS, "preserve" },
83 { "nrm", "norm", 0, AV_OPT_TYPE_CONST, {.i64=P_NRM}, 0, 0, FLAGS, "preserve" },
84 { "pwr", "power", 0, AV_OPT_TYPE_CONST, {.i64=P_PWR}, 0, 0, FLAGS, "preserve" },
85 { NULL }
86 };
87
88 AVFILTER_DEFINE_CLASS(colorlevels);
89
90 typedef struct ThreadData {
91 const uint8_t *srcrow[4];
92 uint8_t *dstrow[4];
93 int dst_linesize;
94 int src_linesize;
95
96 float coeff[4];
97
98 int h;
99
100 int imin[4];
101 int omin[4];
102 } ThreadData;
103
104 #define DO_COMMON(type, clip, preserve, planar) \
105 const ThreadData *td = arg; \
106 const int linesize = s->linesize; \
107 const int step = s->step; \
108 const int process_h = td->h; \
109 const int slice_start = (process_h * jobnr ) / nb_jobs; \
110 const int slice_end = (process_h * (jobnr+1)) / nb_jobs; \
111 const int src_linesize = td->src_linesize / sizeof(type); \
112 const int dst_linesize = td->dst_linesize / sizeof(type); \
113 const type *src_r = (const type *)(td->srcrow[R]) + src_linesize * slice_start; \
114 const type *src_g = (const type *)(td->srcrow[G]) + src_linesize * slice_start; \
115 const type *src_b = (const type *)(td->srcrow[B]) + src_linesize * slice_start; \
116 const type *src_a = (const type *)(td->srcrow[A]) + src_linesize * slice_start; \
117 type *dst_r = (type *)(td->dstrow[R]) + src_linesize * slice_start; \
118 type *dst_g = (type *)(td->dstrow[G]) + src_linesize * slice_start; \
119 type *dst_b = (type *)(td->dstrow[B]) + src_linesize * slice_start; \
120 type *dst_a = (type *)(td->dstrow[A]) + src_linesize * slice_start; \
121 const int imin_r = td->imin[R]; \
122 const int imin_g = td->imin[G]; \
123 const int imin_b = td->imin[B]; \
124 const int imin_a = td->imin[A]; \
125 const int omin_r = td->omin[R]; \
126 const int omin_g = td->omin[G]; \
127 const int omin_b = td->omin[B]; \
128 const int omin_a = td->omin[A]; \
129 const float coeff_r = td->coeff[R]; \
130 const float coeff_g = td->coeff[G]; \
131 const float coeff_b = td->coeff[B]; \
132 const float coeff_a = td->coeff[A]; \
133 \
134 for (int y = slice_start; y < slice_end; y++) { \
135 for (int x = 0; x < linesize; x += step) { \
136 int ir, ig, ib, or, og, ob; \
137 ir = src_r[x]; \
138 ig = src_g[x]; \
139 ib = src_b[x]; \
140 if (preserve) { \
141 float ratio, icolor, ocolor, max = s->max; \
142 \
143 or = (ir - imin_r) * coeff_r + omin_r; \
144 og = (ig - imin_g) * coeff_g + omin_g; \
145 ob = (ib - imin_b) * coeff_b + omin_b; \
146 \
147 preserve_color(s->preserve_color, ir, ig, ib, or, og, ob, max, \
148 &icolor, &ocolor); \
149 if (ocolor > 0.f) { \
150 ratio = icolor / ocolor; \
151 \
152 or *= ratio; \
153 og *= ratio; \
154 ob *= ratio; \
155 } \
156 \
157 dst_r[x] = clip(or, depth); \
158 dst_g[x] = clip(og, depth); \
159 dst_b[x] = clip(ob, depth); \
160 } else { \
161 dst_r[x] = clip((ir - imin_r) * coeff_r + omin_r, depth); \
162 dst_g[x] = clip((ig - imin_g) * coeff_g + omin_g, depth); \
163 dst_b[x] = clip((ib - imin_b) * coeff_b + omin_b, depth); \
164 } \
165 } \
166 \
167 for (int x = 0; x < linesize && s->nb_comp == 4; x += step) \
168 dst_a[x] = clip((src_a[x] - imin_a) * coeff_a + omin_a, depth); \
169 \
170 src_r += src_linesize; \
171 src_g += src_linesize; \
172 src_b += src_linesize; \
173 src_a += src_linesize; \
174 \
175 dst_r += dst_linesize; \
176 dst_g += dst_linesize; \
177 dst_b += dst_linesize; \
178 dst_a += dst_linesize; \
179 }
180
181 #define CLIP8(x, depth) av_clip_uint8(x)
182 #define CLIP16(x, depth) av_clip_uint16(x)
183
colorlevels_slice_8(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)184 static int colorlevels_slice_8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
185 {
186 ColorLevelsContext *s = ctx->priv;
187 DO_COMMON(uint8_t, CLIP8, 0, 0)
188 return 0;
189 }
190
colorlevels_slice_16(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)191 static int colorlevels_slice_16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
192 {
193 ColorLevelsContext *s = ctx->priv;\
194 DO_COMMON(uint16_t, CLIP16, 0, 0)
195 return 0;
196 }
197
colorlevels_preserve_slice_8(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)198 static int colorlevels_preserve_slice_8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
199 {
200 ColorLevelsContext *s = ctx->priv;
201 DO_COMMON(uint8_t, CLIP8, 1, 0)
202 return 0;
203 }
204
colorlevels_preserve_slice_16(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)205 static int colorlevels_preserve_slice_16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
206 {
207 ColorLevelsContext *s = ctx->priv;
208 DO_COMMON(uint16_t, CLIP16, 1, 0)
209 return 0;
210 }
211
colorlevels_slice_8_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)212 static int colorlevels_slice_8_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
213 {
214 ColorLevelsContext *s = ctx->priv;
215 DO_COMMON(uint8_t, CLIP8, 0, 1)
216 return 0;
217 }
218
colorlevels_slice_9_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)219 static int colorlevels_slice_9_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
220 {
221 ColorLevelsContext *s = ctx->priv;
222 const int depth = 9;
223 DO_COMMON(uint16_t, av_clip_uintp2, 0, 1)
224 return 0;
225 }
226
colorlevels_slice_10_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)227 static int colorlevels_slice_10_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
228 {
229 ColorLevelsContext *s = ctx->priv;
230 const int depth = 10;
231 DO_COMMON(uint16_t, av_clip_uintp2, 0, 1)
232 return 0;
233 }
234
colorlevels_slice_12_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)235 static int colorlevels_slice_12_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
236 {
237 ColorLevelsContext *s = ctx->priv;
238 const int depth = 12;
239 DO_COMMON(uint16_t, av_clip_uintp2, 0, 1)
240 return 0;
241 }
242
colorlevels_slice_14_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)243 static int colorlevels_slice_14_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
244 {
245 ColorLevelsContext *s = ctx->priv;
246 const int depth = 14;
247 DO_COMMON(uint16_t, av_clip_uintp2, 0, 1)
248 return 0;
249 }
250
colorlevels_slice_16_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)251 static int colorlevels_slice_16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
252 {
253 ColorLevelsContext *s = ctx->priv;
254 DO_COMMON(uint16_t, CLIP16, 0, 1)
255 return 0;
256 }
257
colorlevels_preserve_slice_8_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)258 static int colorlevels_preserve_slice_8_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
259 {
260 ColorLevelsContext *s = ctx->priv;
261 DO_COMMON(uint8_t, CLIP8, 1, 1)
262 return 0;
263 }
264
colorlevels_preserve_slice_9_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)265 static int colorlevels_preserve_slice_9_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
266 {
267 ColorLevelsContext *s = ctx->priv;
268 const int depth = 9;
269 DO_COMMON(uint16_t, av_clip_uintp2, 1, 1)
270 return 0;
271 }
272
colorlevels_preserve_slice_10_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)273 static int colorlevels_preserve_slice_10_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
274 {
275 ColorLevelsContext *s = ctx->priv;
276 const int depth = 10;
277 DO_COMMON(uint16_t, av_clip_uintp2, 1, 1)
278 return 0;
279 }
280
colorlevels_preserve_slice_12_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)281 static int colorlevels_preserve_slice_12_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
282 {
283 ColorLevelsContext *s = ctx->priv;
284 const int depth = 12;
285 DO_COMMON(uint16_t, av_clip_uintp2, 1, 1)
286 return 0;
287 }
288
colorlevels_preserve_slice_14_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)289 static int colorlevels_preserve_slice_14_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
290 {
291 ColorLevelsContext *s = ctx->priv;
292 const int depth = 14;
293 DO_COMMON(uint16_t, av_clip_uintp2, 1, 1)
294 return 0;
295 }
296
colorlevels_preserve_slice_16_planar(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)297 static int colorlevels_preserve_slice_16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
298 {
299 ColorLevelsContext *s = ctx->priv;
300 DO_COMMON(uint16_t, CLIP16, 1, 1)
301 return 0;
302 }
303
config_input(AVFilterLink * inlink)304 static int config_input(AVFilterLink *inlink)
305 {
306 AVFilterContext *ctx = inlink->dst;
307 ColorLevelsContext *s = ctx->priv;
308 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
309
310 s->nb_comp = desc->nb_components;
311 s->planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
312 s->depth = desc->comp[0].depth;
313 s->max = (1 << s->depth) - 1;
314 s->bpp = (desc->comp[0].depth + 7) >> 3;
315 s->step = s->planar ? 1 : av_get_padded_bits_per_pixel(desc) >> (3 + (s->bpp == 2));
316 s->linesize = inlink->w * s->step;
317 ff_fill_rgba_map(s->rgba_map, inlink->format);
318
319 if (!s->planar) {
320 s->colorlevels_slice[0] = colorlevels_slice_8;
321 s->colorlevels_slice[1] = colorlevels_preserve_slice_8;
322 if (s->bpp == 2) {
323 s->colorlevels_slice[0] = colorlevels_slice_16;
324 s->colorlevels_slice[1] = colorlevels_preserve_slice_16;
325 }
326 } else {
327 switch (s->depth) {
328 case 8:
329 s->colorlevels_slice[0] = colorlevels_slice_8_planar;
330 s->colorlevels_slice[1] = colorlevels_preserve_slice_8_planar;
331 break;
332 case 9:
333 s->colorlevels_slice[0] = colorlevels_slice_9_planar;
334 s->colorlevels_slice[1] = colorlevels_preserve_slice_9_planar;
335 break;
336 case 10:
337 s->colorlevels_slice[0] = colorlevels_slice_10_planar;
338 s->colorlevels_slice[1] = colorlevels_preserve_slice_10_planar;
339 break;
340 case 12:
341 s->colorlevels_slice[0] = colorlevels_slice_12_planar;
342 s->colorlevels_slice[1] = colorlevels_preserve_slice_12_planar;
343 break;
344 case 14:
345 s->colorlevels_slice[0] = colorlevels_slice_14_planar;
346 s->colorlevels_slice[1] = colorlevels_preserve_slice_14_planar;
347 break;
348 case 16:
349 s->colorlevels_slice[0] = colorlevels_slice_16_planar;
350 s->colorlevels_slice[1] = colorlevels_preserve_slice_16_planar;
351 break;
352 }
353 }
354
355 return 0;
356 }
357
filter_frame(AVFilterLink * inlink,AVFrame * in)358 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
359 {
360 AVFilterContext *ctx = inlink->dst;
361 ColorLevelsContext *s = ctx->priv;
362 AVFilterLink *outlink = ctx->outputs[0];
363 const int step = s->step;
364 ThreadData td;
365 AVFrame *out;
366
367 if (av_frame_is_writable(in)) {
368 out = in;
369 } else {
370 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
371 if (!out) {
372 av_frame_free(&in);
373 return AVERROR(ENOMEM);
374 }
375 av_frame_copy_props(out, in);
376 }
377
378 td.h = inlink->h;
379 td.dst_linesize = out->linesize[0];
380 td.src_linesize = in->linesize[0];
381 if (s->planar) {
382 td.srcrow[R] = in->data[2];
383 td.dstrow[R] = out->data[2];
384 td.srcrow[G] = in->data[0];
385 td.dstrow[G] = out->data[0];
386 td.srcrow[B] = in->data[1];
387 td.dstrow[B] = out->data[1];
388 td.srcrow[A] = in->data[3];
389 td.dstrow[A] = out->data[3];
390 } else {
391 td.srcrow[R] = in->data[0] + s->rgba_map[R] * s->bpp;
392 td.dstrow[R] = out->data[0] + s->rgba_map[R] * s->bpp;
393 td.srcrow[G] = in->data[0] + s->rgba_map[G] * s->bpp;
394 td.dstrow[G] = out->data[0] + s->rgba_map[G] * s->bpp;
395 td.srcrow[B] = in->data[0] + s->rgba_map[B] * s->bpp;
396 td.dstrow[B] = out->data[0] + s->rgba_map[B] * s->bpp;
397 td.srcrow[A] = in->data[0] + s->rgba_map[A] * s->bpp;
398 td.dstrow[A] = out->data[0] + s->rgba_map[A] * s->bpp;
399 }
400
401 switch (s->bpp) {
402 case 1:
403 for (int i = 0; i < s->nb_comp; i++) {
404 Range *r = &s->range[i];
405 const uint8_t offset = s->rgba_map[i];
406 const uint8_t *srcrow = in->data[0];
407 int imin = lrint(r->in_min * UINT8_MAX);
408 int imax = lrint(r->in_max * UINT8_MAX);
409 int omin = lrint(r->out_min * UINT8_MAX);
410 int omax = lrint(r->out_max * UINT8_MAX);
411 float coeff;
412
413 if (imin < 0) {
414 imin = UINT8_MAX;
415 for (int y = 0; y < inlink->h; y++) {
416 const uint8_t *src = srcrow;
417
418 for (int x = 0; x < s->linesize; x += step)
419 imin = FFMIN(imin, src[x + offset]);
420 srcrow += in->linesize[0];
421 }
422 }
423 if (imax < 0) {
424 srcrow = in->data[0];
425 imax = 0;
426 for (int y = 0; y < inlink->h; y++) {
427 const uint8_t *src = srcrow;
428
429 for (int x = 0; x < s->linesize; x += step)
430 imax = FFMAX(imax, src[x + offset]);
431 srcrow += in->linesize[0];
432 }
433 }
434
435 coeff = (omax - omin) / (double)(imax - imin);
436
437 td.coeff[i] = coeff;
438 td.imin[i] = imin;
439 td.omin[i] = omin;
440 }
441 break;
442 case 2:
443 for (int i = 0; i < s->nb_comp; i++) {
444 Range *r = &s->range[i];
445 const uint8_t offset = s->rgba_map[i];
446 const uint8_t *srcrow = in->data[0];
447 int imin = lrint(r->in_min * UINT16_MAX);
448 int imax = lrint(r->in_max * UINT16_MAX);
449 int omin = lrint(r->out_min * UINT16_MAX);
450 int omax = lrint(r->out_max * UINT16_MAX);
451 float coeff;
452
453 if (imin < 0) {
454 imin = UINT16_MAX;
455 for (int y = 0; y < inlink->h; y++) {
456 const uint16_t *src = (const uint16_t *)srcrow;
457
458 for (int x = 0; x < s->linesize; x += step)
459 imin = FFMIN(imin, src[x + offset]);
460 srcrow += in->linesize[0];
461 }
462 }
463 if (imax < 0) {
464 srcrow = in->data[0];
465 imax = 0;
466 for (int y = 0; y < inlink->h; y++) {
467 const uint16_t *src = (const uint16_t *)srcrow;
468
469 for (int x = 0; x < s->linesize; x += step)
470 imax = FFMAX(imax, src[x + offset]);
471 srcrow += in->linesize[0];
472 }
473 }
474
475 coeff = (omax - omin) / (double)(imax - imin);
476
477 td.coeff[i] = coeff;
478 td.imin[i] = imin;
479 td.omin[i] = omin;
480 }
481 break;
482 }
483
484 ff_filter_execute(ctx, s->colorlevels_slice[s->preserve_color > 0], &td, NULL,
485 FFMIN(inlink->h, ff_filter_get_nb_threads(ctx)));
486
487 if (in != out)
488 av_frame_free(&in);
489 return ff_filter_frame(outlink, out);
490 }
491
492 static const AVFilterPad colorlevels_inputs[] = {
493 {
494 .name = "default",
495 .type = AVMEDIA_TYPE_VIDEO,
496 .filter_frame = filter_frame,
497 .config_props = config_input,
498 },
499 };
500
501 static const AVFilterPad colorlevels_outputs[] = {
502 {
503 .name = "default",
504 .type = AVMEDIA_TYPE_VIDEO,
505 },
506 };
507
508 const AVFilter ff_vf_colorlevels = {
509 .name = "colorlevels",
510 .description = NULL_IF_CONFIG_SMALL("Adjust the color levels."),
511 .priv_size = sizeof(ColorLevelsContext),
512 .priv_class = &colorlevels_class,
513 FILTER_INPUTS(colorlevels_inputs),
514 FILTER_OUTPUTS(colorlevels_outputs),
515 FILTER_PIXFMTS(AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
516 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
517 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
518 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
519 AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
520 AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
521 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
522 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
523 AV_PIX_FMT_GBRP9,
524 AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
525 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
526 AV_PIX_FMT_GBRP14,
527 AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16),
528 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
529 .process_command = ff_filter_process_command,
530 };
531