2 * Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
4 * This file is part of FFmpeg.
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.
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.
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
23 * Convert between colorspaces.
26 #include "libavutil/avassert.h"
27 #include "libavutil/opt.h"
28 #include "libavutil/pixdesc.h"
29 #include "libavutil/pixfmt.h"
32 #include "colorspacedsp.h"
36 #include "colorspace.h"
65 enum WhitepointAdaptation {
68 NB_WP_ADAPT_NON_IDENTITY,
69 WP_ADAPT_IDENTITY = NB_WP_ADAPT_NON_IDENTITY,
73 static const enum AVColorTransferCharacteristic default_trc[CS_NB + 1] = {
74 [CS_UNSPECIFIED] = AVCOL_TRC_UNSPECIFIED,
75 [CS_BT470M] = AVCOL_TRC_GAMMA22,
76 [CS_BT470BG] = AVCOL_TRC_GAMMA28,
77 [CS_BT601_6_525] = AVCOL_TRC_SMPTE170M,
78 [CS_BT601_6_625] = AVCOL_TRC_SMPTE170M,
79 [CS_BT709] = AVCOL_TRC_BT709,
80 [CS_SMPTE170M] = AVCOL_TRC_SMPTE170M,
81 [CS_SMPTE240M] = AVCOL_TRC_SMPTE240M,
82 [CS_BT2020] = AVCOL_TRC_BT2020_10,
83 [CS_NB] = AVCOL_TRC_UNSPECIFIED,
86 static const enum AVColorPrimaries default_prm[CS_NB + 1] = {
87 [CS_UNSPECIFIED] = AVCOL_PRI_UNSPECIFIED,
88 [CS_BT470M] = AVCOL_PRI_BT470M,
89 [CS_BT470BG] = AVCOL_PRI_BT470BG,
90 [CS_BT601_6_525] = AVCOL_PRI_SMPTE170M,
91 [CS_BT601_6_625] = AVCOL_PRI_BT470BG,
92 [CS_BT709] = AVCOL_PRI_BT709,
93 [CS_SMPTE170M] = AVCOL_PRI_SMPTE170M,
94 [CS_SMPTE240M] = AVCOL_PRI_SMPTE240M,
95 [CS_BT2020] = AVCOL_PRI_BT2020,
96 [CS_NB] = AVCOL_PRI_UNSPECIFIED,
99 static const enum AVColorSpace default_csp[CS_NB + 1] = {
100 [CS_UNSPECIFIED] = AVCOL_SPC_UNSPECIFIED,
101 [CS_BT470M] = AVCOL_SPC_SMPTE170M,
102 [CS_BT470BG] = AVCOL_SPC_BT470BG,
103 [CS_BT601_6_525] = AVCOL_SPC_SMPTE170M,
104 [CS_BT601_6_625] = AVCOL_SPC_BT470BG,
105 [CS_BT709] = AVCOL_SPC_BT709,
106 [CS_SMPTE170M] = AVCOL_SPC_SMPTE170M,
107 [CS_SMPTE240M] = AVCOL_SPC_SMPTE240M,
108 [CS_BT2020] = AVCOL_SPC_BT2020_NCL,
109 [CS_NB] = AVCOL_SPC_UNSPECIFIED,
112 struct ColorPrimaries {
114 struct PrimaryCoefficients coeff;
117 struct TransferCharacteristics {
118 double alpha, beta, gamma, delta;
121 typedef struct ColorSpaceContext {
122 const AVClass *class;
124 ColorSpaceDSPContext dsp;
126 enum Colorspace user_all, user_iall;
127 enum AVColorSpace in_csp, out_csp, user_csp, user_icsp;
128 enum AVColorRange in_rng, out_rng, user_rng, user_irng;
129 enum AVColorTransferCharacteristic in_trc, out_trc, user_trc, user_itrc;
130 enum AVColorPrimaries in_prm, out_prm, user_prm, user_iprm;
131 enum AVPixelFormat in_format, user_format;
133 enum DitherMode dither;
134 enum WhitepointAdaptation wp_adapt;
137 ptrdiff_t rgb_stride;
139 int *dither_scratch[3][2], *dither_scratch_base[3][2];
141 const struct ColorPrimaries *in_primaries, *out_primaries;
142 int lrgb2lrgb_passthrough;
143 DECLARE_ALIGNED(16, int16_t, lrgb2lrgb_coeffs)[3][3][8];
145 const struct TransferCharacteristics *in_txchr, *out_txchr;
146 int rgb2rgb_passthrough;
147 int16_t *lin_lut, *delin_lut;
149 const struct LumaCoefficients *in_lumacoef, *out_lumacoef;
150 int yuv2yuv_passthrough, yuv2yuv_fastmode;
151 DECLARE_ALIGNED(16, int16_t, yuv2rgb_coeffs)[3][3][8];
152 DECLARE_ALIGNED(16, int16_t, rgb2yuv_coeffs)[3][3][8];
153 DECLARE_ALIGNED(16, int16_t, yuv2yuv_coeffs)[3][3][8];
154 DECLARE_ALIGNED(16, int16_t, yuv_offset)[2 /* in, out */][8];
157 rgb2yuv_fsb_fn rgb2yuv_fsb;
159 double yuv2rgb_dbl_coeffs[3][3], rgb2yuv_dbl_coeffs[3][3];
160 int in_y_rng, in_uv_rng, out_y_rng, out_uv_rng;
165 // FIXME deal with odd width/heights
166 // FIXME faster linearize/delinearize implementation (integer pow)
167 // FIXME bt2020cl support (linearization between yuv/rgb step instead of between rgb/xyz)
168 // FIXME test that the values in (de)lin_lut don't exceed their container storage
169 // type size (only useful if we keep the LUT and don't move to fast integer pow)
170 // FIXME dithering if bitdepth goes down?
171 // FIXME bitexact for fate integration?
173 // FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't
174 // find any actual tables that document their real values...
175 // See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters
176 static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB] = {
177 [AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 },
178 [AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 },
179 [AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
180 [AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 },
181 [AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 },
182 [AVCOL_TRC_LINEAR] = { 1.0, 0.0, 1.0, 0.0 },
183 [AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 },
184 [AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 },
185 [AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 },
186 [AVCOL_TRC_BT2020_12] = { 1.0993, 0.0181, 0.45, 4.5 },
189 static const struct TransferCharacteristics *
190 get_transfer_characteristics(enum AVColorTransferCharacteristic trc)
192 const struct TransferCharacteristics *coeffs;
194 if (trc >= AVCOL_TRC_NB)
196 coeffs = &transfer_characteristics[trc];
203 static const struct WhitepointCoefficients whitepoint_coefficients[WP_NB] = {
204 [WP_D65] = { 0.3127, 0.3290 },
205 [WP_C] = { 0.3100, 0.3160 },
206 [WP_DCI] = { 0.3140, 0.3510 },
207 [WP_E] = { 1/3.0f, 1/3.0f },
210 static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB] = {
211 [AVCOL_PRI_BT709] = { WP_D65, { 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 } },
212 [AVCOL_PRI_BT470M] = { WP_C, { 0.670, 0.330, 0.210, 0.710, 0.140, 0.080 } },
213 [AVCOL_PRI_BT470BG] = { WP_D65, { 0.640, 0.330, 0.290, 0.600, 0.150, 0.060 } },
214 [AVCOL_PRI_SMPTE170M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } },
215 [AVCOL_PRI_SMPTE240M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } },
216 [AVCOL_PRI_SMPTE428] = { WP_E, { 0.735, 0.265, 0.274, 0.718, 0.167, 0.009 } },
217 [AVCOL_PRI_SMPTE431] = { WP_DCI, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } },
218 [AVCOL_PRI_SMPTE432] = { WP_D65, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } },
219 [AVCOL_PRI_FILM] = { WP_C, { 0.681, 0.319, 0.243, 0.692, 0.145, 0.049 } },
220 [AVCOL_PRI_BT2020] = { WP_D65, { 0.708, 0.292, 0.170, 0.797, 0.131, 0.046 } },
221 [AVCOL_PRI_JEDEC_P22] = { WP_D65, { 0.630, 0.340, 0.295, 0.605, 0.155, 0.077 } },
224 static const struct ColorPrimaries *get_color_primaries(enum AVColorPrimaries prm)
226 const struct ColorPrimaries *p;
228 if (prm >= AVCOL_PRI_NB)
230 p = &color_primaries[prm];
237 static int fill_gamma_table(ColorSpaceContext *s)
240 double in_alpha = s->in_txchr->alpha, in_beta = s->in_txchr->beta;
241 double in_gamma = s->in_txchr->gamma, in_delta = s->in_txchr->delta;
242 double in_ialpha = 1.0 / in_alpha, in_igamma = 1.0 / in_gamma, in_idelta = 1.0 / in_delta;
243 double out_alpha = s->out_txchr->alpha, out_beta = s->out_txchr->beta;
244 double out_gamma = s->out_txchr->gamma, out_delta = s->out_txchr->delta;
246 s->lin_lut = av_malloc(sizeof(*s->lin_lut) * 32768 * 2);
248 return AVERROR(ENOMEM);
249 s->delin_lut = &s->lin_lut[32768];
250 for (n = 0; n < 32768; n++) {
251 double v = (n - 2048.0) / 28672.0, d, l;
254 if (v <= -out_beta) {
255 d = -out_alpha * pow(-v, out_gamma) + (out_alpha - 1.0);
256 } else if (v < out_beta) {
259 d = out_alpha * pow(v, out_gamma) - (out_alpha - 1.0);
261 s->delin_lut[n] = av_clip_int16(lrint(d * 28672.0));
264 if (v <= -in_beta * in_delta) {
265 l = -pow((1.0 - in_alpha - v) * in_ialpha, in_igamma);
266 } else if (v < in_beta * in_delta) {
269 l = pow((v + in_alpha - 1.0) * in_ialpha, in_igamma);
271 s->lin_lut[n] = av_clip_int16(lrint(l * 28672.0));
278 * See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
279 * This function uses the Bradford mechanism.
281 static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptation wp_adapt,
282 enum Whitepoint src, enum Whitepoint dst)
284 static const double ma_tbl[NB_WP_ADAPT_NON_IDENTITY][3][3] = {
285 [WP_ADAPT_BRADFORD] = {
286 { 0.8951, 0.2664, -0.1614 },
287 { -0.7502, 1.7135, 0.0367 },
288 { 0.0389, -0.0685, 1.0296 },
289 }, [WP_ADAPT_VON_KRIES] = {
290 { 0.40024, 0.70760, -0.08081 },
291 { -0.22630, 1.16532, 0.04570 },
292 { 0.00000, 0.00000, 0.91822 },
295 const double (*ma)[3] = ma_tbl[wp_adapt];
296 const struct WhitepointCoefficients *wp_src = &whitepoint_coefficients[src];
297 double zw_src = 1.0 - wp_src->xw - wp_src->yw;
298 const struct WhitepointCoefficients *wp_dst = &whitepoint_coefficients[dst];
299 double zw_dst = 1.0 - wp_dst->xw - wp_dst->yw;
300 double mai[3][3], fac[3][3], tmp[3][3];
301 double rs, gs, bs, rd, gd, bd;
303 ff_matrix_invert_3x3(ma, mai);
304 rs = ma[0][0] * wp_src->xw + ma[0][1] * wp_src->yw + ma[0][2] * zw_src;
305 gs = ma[1][0] * wp_src->xw + ma[1][1] * wp_src->yw + ma[1][2] * zw_src;
306 bs = ma[2][0] * wp_src->xw + ma[2][1] * wp_src->yw + ma[2][2] * zw_src;
307 rd = ma[0][0] * wp_dst->xw + ma[0][1] * wp_dst->yw + ma[0][2] * zw_dst;
308 gd = ma[1][0] * wp_dst->xw + ma[1][1] * wp_dst->yw + ma[1][2] * zw_dst;
309 bd = ma[2][0] * wp_dst->xw + ma[2][1] * wp_dst->yw + ma[2][2] * zw_dst;
313 fac[0][1] = fac[0][2] = fac[1][0] = fac[1][2] = fac[2][0] = fac[2][1] = 0.0;
314 ff_matrix_mul_3x3(tmp, ma, fac);
315 ff_matrix_mul_3x3(out, tmp, mai);
318 static void apply_lut(int16_t *buf[3], ptrdiff_t stride,
319 int w, int h, const int16_t *lut)
323 for (n = 0; n < 3; n++) {
324 int16_t *data = buf[n];
326 for (y = 0; y < h; y++) {
327 for (x = 0; x < w; x++)
328 data[x] = lut[av_clip_uintp2(2048 + data[x], 15)];
335 typedef struct ThreadData {
337 ptrdiff_t in_linesize[3], out_linesize[3];
338 int in_ss_h, out_ss_h;
341 static int convert(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
343 const ThreadData *td = data;
344 ColorSpaceContext *s = ctx->priv;
345 uint8_t *in_data[3], *out_data[3];
347 int h_in = (td->in->height + 1) >> 1;
348 int h1 = 2 * (job_nr * h_in / n_jobs), h2 = 2 * ((job_nr + 1) * h_in / n_jobs);
349 int w = td->in->width, h = h2 - h1;
351 in_data[0] = td->in->data[0] + td->in_linesize[0] * h1;
352 in_data[1] = td->in->data[1] + td->in_linesize[1] * (h1 >> td->in_ss_h);
353 in_data[2] = td->in->data[2] + td->in_linesize[2] * (h1 >> td->in_ss_h);
354 out_data[0] = td->out->data[0] + td->out_linesize[0] * h1;
355 out_data[1] = td->out->data[1] + td->out_linesize[1] * (h1 >> td->out_ss_h);
356 out_data[2] = td->out->data[2] + td->out_linesize[2] * (h1 >> td->out_ss_h);
357 rgb[0] = s->rgb[0] + s->rgb_stride * h1;
358 rgb[1] = s->rgb[1] + s->rgb_stride * h1;
359 rgb[2] = s->rgb[2] + s->rgb_stride * h1;
361 // FIXME for simd, also make sure we do pictures with negative stride
362 // top-down so we don't overwrite lines with padding of data before it
363 // in the same buffer (same as swscale)
365 if (s->yuv2yuv_fastmode) {
366 // FIXME possibly use a fast mode in case only the y range changes?
367 // since in that case, only the diagonal entries in yuv2yuv_coeffs[]
369 s->yuv2yuv(out_data, td->out_linesize, in_data, td->in_linesize, w, h,
370 s->yuv2yuv_coeffs, s->yuv_offset);
372 // FIXME maybe (for caching efficiency) do pipeline per-line instead of
373 // full buffer per function? (Or, since yuv2rgb requires 2 lines: per
374 // 2 lines, for yuv420.)
377 * - yuv2rgb converts from whatever range the input was ([16-235/240] or
378 * [0,255] or the 10/12bpp equivalents thereof) to an integer version
379 * of RGB in psuedo-restricted 15+sign bits. That means that the float
380 * range [0.0,1.0] is in [0,28762], and the remainder of the int16_t
381 * range is used for overflow/underflow outside the representable
382 * range of this RGB type. rgb2yuv is the exact opposite.
383 * - gamma correction is done using a LUT since that appears to work
385 * - If the input is chroma-subsampled (420/422), the yuv2rgb conversion
386 * (or rgb2yuv conversion) uses nearest-neighbour sampling to read
387 * read chroma pixels at luma resolution. If you want some more fancy
388 * filter, you can use swscale to convert to yuv444p.
389 * - all coefficients are 14bit (so in the [-2.0,2.0] range).
391 s->yuv2rgb(rgb, s->rgb_stride, in_data, td->in_linesize, w, h,
392 s->yuv2rgb_coeffs, s->yuv_offset[0]);
393 if (!s->rgb2rgb_passthrough) {
394 apply_lut(rgb, s->rgb_stride, w, h, s->lin_lut);
395 if (!s->lrgb2lrgb_passthrough)
396 s->dsp.multiply3x3(rgb, s->rgb_stride, w, h, s->lrgb2lrgb_coeffs);
397 apply_lut(rgb, s->rgb_stride, w, h, s->delin_lut);
399 if (s->dither == DITHER_FSB) {
400 s->rgb2yuv_fsb(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
401 s->rgb2yuv_coeffs, s->yuv_offset[1], s->dither_scratch);
403 s->rgb2yuv(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
404 s->rgb2yuv_coeffs, s->yuv_offset[1]);
411 static int get_range_off(AVFilterContext *ctx, int *off,
412 int *y_rng, int *uv_rng,
413 enum AVColorRange rng, int depth)
416 case AVCOL_RANGE_UNSPECIFIED: {
417 ColorSpaceContext *s = ctx->priv;
419 if (!s->did_warn_range) {
420 av_log(ctx, AV_LOG_WARNING, "Input range not set, assuming tv/mpeg\n");
421 s->did_warn_range = 1;
425 case AVCOL_RANGE_MPEG:
426 *off = 16 << (depth - 8);
427 *y_rng = 219 << (depth - 8);
428 *uv_rng = 224 << (depth - 8);
430 case AVCOL_RANGE_JPEG:
432 *y_rng = *uv_rng = (256 << (depth - 8)) - 1;
435 return AVERROR(EINVAL);
441 static int create_filtergraph(AVFilterContext *ctx,
442 const AVFrame *in, const AVFrame *out)
444 ColorSpaceContext *s = ctx->priv;
445 const AVPixFmtDescriptor *in_desc = av_pix_fmt_desc_get(in->format);
446 const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(out->format);
447 int emms = 0, m, n, o, res, fmt_identical, redo_yuv2rgb = 0, redo_rgb2yuv = 0;
449 #define supported_depth(d) ((d) == 8 || (d) == 10 || (d) == 12)
450 #define supported_subsampling(lcw, lch) \
451 (((lcw) == 0 && (lch) == 0) || ((lcw) == 1 && (lch) == 0) || ((lcw) == 1 && (lch) == 1))
452 #define supported_format(d) \
453 ((d) != NULL && (d)->nb_components == 3 && \
454 !((d)->flags & AV_PIX_FMT_FLAG_RGB) && \
455 supported_depth((d)->comp[0].depth) && \
456 supported_subsampling((d)->log2_chroma_w, (d)->log2_chroma_h))
458 if (!supported_format(in_desc)) {
459 av_log(ctx, AV_LOG_ERROR,
460 "Unsupported input format %d (%s) or bitdepth (%d)\n",
461 in->format, av_get_pix_fmt_name(in->format),
462 in_desc ? in_desc->comp[0].depth : -1);
463 return AVERROR(EINVAL);
465 if (!supported_format(out_desc)) {
466 av_log(ctx, AV_LOG_ERROR,
467 "Unsupported output format %d (%s) or bitdepth (%d)\n",
468 out->format, av_get_pix_fmt_name(out->format),
469 out_desc ? out_desc->comp[0].depth : -1);
470 return AVERROR(EINVAL);
473 if (in->color_primaries != s->in_prm) s->in_primaries = NULL;
474 if (out->color_primaries != s->out_prm) s->out_primaries = NULL;
475 if (in->color_trc != s->in_trc) s->in_txchr = NULL;
476 if (out->color_trc != s->out_trc) s->out_txchr = NULL;
477 if (in->colorspace != s->in_csp ||
478 in->color_range != s->in_rng) s->in_lumacoef = NULL;
479 if (out->colorspace != s->out_csp ||
480 out->color_range != s->out_rng) s->out_lumacoef = NULL;
482 if (!s->out_primaries || !s->in_primaries) {
483 s->in_prm = in->color_primaries;
484 if (s->user_iall != CS_UNSPECIFIED)
485 s->in_prm = default_prm[FFMIN(s->user_iall, CS_NB)];
486 if (s->user_iprm != AVCOL_PRI_UNSPECIFIED)
487 s->in_prm = s->user_iprm;
488 s->in_primaries = get_color_primaries(s->in_prm);
489 if (!s->in_primaries) {
490 av_log(ctx, AV_LOG_ERROR,
491 "Unsupported input primaries %d (%s)\n",
492 s->in_prm, av_color_primaries_name(s->in_prm));
493 return AVERROR(EINVAL);
495 s->out_prm = out->color_primaries;
496 s->out_primaries = get_color_primaries(s->out_prm);
497 if (!s->out_primaries) {
498 if (s->out_prm == AVCOL_PRI_UNSPECIFIED) {
499 if (s->user_all == CS_UNSPECIFIED) {
500 av_log(ctx, AV_LOG_ERROR, "Please specify output primaries\n");
502 av_log(ctx, AV_LOG_ERROR,
503 "Unsupported output color property %d\n", s->user_all);
506 av_log(ctx, AV_LOG_ERROR,
507 "Unsupported output primaries %d (%s)\n",
508 s->out_prm, av_color_primaries_name(s->out_prm));
510 return AVERROR(EINVAL);
512 s->lrgb2lrgb_passthrough = !memcmp(s->in_primaries, s->out_primaries,
513 sizeof(*s->in_primaries));
514 if (!s->lrgb2lrgb_passthrough) {
515 double rgb2xyz[3][3], xyz2rgb[3][3], rgb2rgb[3][3];
516 const struct WhitepointCoefficients *wp_out, *wp_in;
518 wp_out = &whitepoint_coefficients[s->out_primaries->wp];
519 wp_in = &whitepoint_coefficients[s->in_primaries->wp];
520 ff_fill_rgb2xyz_table(&s->out_primaries->coeff, wp_out, rgb2xyz);
521 ff_matrix_invert_3x3(rgb2xyz, xyz2rgb);
522 ff_fill_rgb2xyz_table(&s->in_primaries->coeff, wp_in, rgb2xyz);
523 if (s->out_primaries->wp != s->in_primaries->wp &&
524 s->wp_adapt != WP_ADAPT_IDENTITY) {
525 double wpconv[3][3], tmp[3][3];
527 fill_whitepoint_conv_table(wpconv, s->wp_adapt, s->in_primaries->wp,
528 s->out_primaries->wp);
529 ff_matrix_mul_3x3(tmp, rgb2xyz, wpconv);
530 ff_matrix_mul_3x3(rgb2rgb, tmp, xyz2rgb);
532 ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb);
534 for (m = 0; m < 3; m++)
535 for (n = 0; n < 3; n++) {
536 s->lrgb2lrgb_coeffs[m][n][0] = lrint(16384.0 * rgb2rgb[m][n]);
537 for (o = 1; o < 8; o++)
538 s->lrgb2lrgb_coeffs[m][n][o] = s->lrgb2lrgb_coeffs[m][n][0];
546 av_freep(&s->lin_lut);
547 s->in_trc = in->color_trc;
548 if (s->user_iall != CS_UNSPECIFIED)
549 s->in_trc = default_trc[FFMIN(s->user_iall, CS_NB)];
550 if (s->user_itrc != AVCOL_TRC_UNSPECIFIED)
551 s->in_trc = s->user_itrc;
552 s->in_txchr = get_transfer_characteristics(s->in_trc);
554 av_log(ctx, AV_LOG_ERROR,
555 "Unsupported input transfer characteristics %d (%s)\n",
556 s->in_trc, av_color_transfer_name(s->in_trc));
557 return AVERROR(EINVAL);
562 av_freep(&s->lin_lut);
563 s->out_trc = out->color_trc;
564 s->out_txchr = get_transfer_characteristics(s->out_trc);
566 if (s->out_trc == AVCOL_TRC_UNSPECIFIED) {
567 if (s->user_all == CS_UNSPECIFIED) {
568 av_log(ctx, AV_LOG_ERROR,
569 "Please specify output transfer characteristics\n");
571 av_log(ctx, AV_LOG_ERROR,
572 "Unsupported output color property %d\n", s->user_all);
575 av_log(ctx, AV_LOG_ERROR,
576 "Unsupported output transfer characteristics %d (%s)\n",
577 s->out_trc, av_color_transfer_name(s->out_trc));
579 return AVERROR(EINVAL);
583 s->rgb2rgb_passthrough = s->fast_mode || (s->lrgb2lrgb_passthrough &&
584 !memcmp(s->in_txchr, s->out_txchr, sizeof(*s->in_txchr)));
585 if (!s->rgb2rgb_passthrough && !s->lin_lut) {
586 res = fill_gamma_table(s);
592 if (!s->in_lumacoef) {
593 s->in_csp = in->colorspace;
594 if (s->user_iall != CS_UNSPECIFIED)
595 s->in_csp = default_csp[FFMIN(s->user_iall, CS_NB)];
596 if (s->user_icsp != AVCOL_SPC_UNSPECIFIED)
597 s->in_csp = s->user_icsp;
598 s->in_rng = in->color_range;
599 if (s->user_irng != AVCOL_RANGE_UNSPECIFIED)
600 s->in_rng = s->user_irng;
601 s->in_lumacoef = ff_get_luma_coefficients(s->in_csp);
602 if (!s->in_lumacoef) {
603 av_log(ctx, AV_LOG_ERROR,
604 "Unsupported input colorspace %d (%s)\n",
605 s->in_csp, av_color_space_name(s->in_csp));
606 return AVERROR(EINVAL);
611 if (!s->out_lumacoef) {
612 s->out_csp = out->colorspace;
613 s->out_rng = out->color_range;
614 s->out_lumacoef = ff_get_luma_coefficients(s->out_csp);
615 if (!s->out_lumacoef) {
616 if (s->out_csp == AVCOL_SPC_UNSPECIFIED) {
617 if (s->user_all == CS_UNSPECIFIED) {
618 av_log(ctx, AV_LOG_ERROR,
619 "Please specify output transfer characteristics\n");
621 av_log(ctx, AV_LOG_ERROR,
622 "Unsupported output color property %d\n", s->user_all);
625 av_log(ctx, AV_LOG_ERROR,
626 "Unsupported output transfer characteristics %d (%s)\n",
627 s->out_csp, av_color_space_name(s->out_csp));
629 return AVERROR(EINVAL);
634 fmt_identical = in_desc->log2_chroma_h == out_desc->log2_chroma_h &&
635 in_desc->log2_chroma_w == out_desc->log2_chroma_w;
636 s->yuv2yuv_fastmode = s->rgb2rgb_passthrough && fmt_identical;
637 s->yuv2yuv_passthrough = s->yuv2yuv_fastmode && s->in_rng == s->out_rng &&
638 !memcmp(s->in_lumacoef, s->out_lumacoef,
639 sizeof(*s->in_lumacoef)) &&
640 in_desc->comp[0].depth == out_desc->comp[0].depth;
641 if (!s->yuv2yuv_passthrough) {
643 double rgb2yuv[3][3], (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
644 int off, bits, in_rng;
646 res = get_range_off(ctx, &off, &s->in_y_rng, &s->in_uv_rng,
647 s->in_rng, in_desc->comp[0].depth);
649 av_log(ctx, AV_LOG_ERROR,
650 "Unsupported input color range %d (%s)\n",
651 s->in_rng, av_color_range_name(s->in_rng));
654 for (n = 0; n < 8; n++)
655 s->yuv_offset[0][n] = off;
656 ff_fill_rgb2yuv_table(s->in_lumacoef, rgb2yuv);
657 ff_matrix_invert_3x3(rgb2yuv, yuv2rgb);
658 bits = 1 << (in_desc->comp[0].depth - 1);
659 for (n = 0; n < 3; n++) {
660 for (in_rng = s->in_y_rng, m = 0; m < 3; m++, in_rng = s->in_uv_rng) {
661 s->yuv2rgb_coeffs[n][m][0] = lrint(28672 * bits * yuv2rgb[n][m] / in_rng);
662 for (o = 1; o < 8; o++)
663 s->yuv2rgb_coeffs[n][m][o] = s->yuv2rgb_coeffs[n][m][0];
666 av_assert2(s->yuv2rgb_coeffs[0][1][0] == 0);
667 av_assert2(s->yuv2rgb_coeffs[2][2][0] == 0);
668 av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[1][0][0]);
669 av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[2][0][0]);
670 s->yuv2rgb = s->dsp.yuv2rgb[(in_desc->comp[0].depth - 8) >> 1]
671 [in_desc->log2_chroma_h + in_desc->log2_chroma_w];
676 double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
677 int off, out_rng, bits;
679 res = get_range_off(ctx, &off, &s->out_y_rng, &s->out_uv_rng,
680 s->out_rng, out_desc->comp[0].depth);
682 av_log(ctx, AV_LOG_ERROR,
683 "Unsupported output color range %d (%s)\n",
684 s->out_rng, av_color_range_name(s->out_rng));
687 for (n = 0; n < 8; n++)
688 s->yuv_offset[1][n] = off;
689 ff_fill_rgb2yuv_table(s->out_lumacoef, rgb2yuv);
690 bits = 1 << (29 - out_desc->comp[0].depth);
691 for (out_rng = s->out_y_rng, n = 0; n < 3; n++, out_rng = s->out_uv_rng) {
692 for (m = 0; m < 3; m++) {
693 s->rgb2yuv_coeffs[n][m][0] = lrint(bits * out_rng * rgb2yuv[n][m] / 28672);
694 for (o = 1; o < 8; o++)
695 s->rgb2yuv_coeffs[n][m][o] = s->rgb2yuv_coeffs[n][m][0];
698 av_assert2(s->rgb2yuv_coeffs[1][2][0] == s->rgb2yuv_coeffs[2][0][0]);
699 s->rgb2yuv = s->dsp.rgb2yuv[(out_desc->comp[0].depth - 8) >> 1]
700 [out_desc->log2_chroma_h + out_desc->log2_chroma_w];
701 s->rgb2yuv_fsb = s->dsp.rgb2yuv_fsb[(out_desc->comp[0].depth - 8) >> 1]
702 [out_desc->log2_chroma_h + out_desc->log2_chroma_w];
706 if (s->yuv2yuv_fastmode && (redo_yuv2rgb || redo_rgb2yuv)) {
707 int idepth = in_desc->comp[0].depth, odepth = out_desc->comp[0].depth;
708 double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
709 double (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
710 double yuv2yuv[3][3];
713 ff_matrix_mul_3x3(yuv2yuv, yuv2rgb, rgb2yuv);
714 for (out_rng = s->out_y_rng, m = 0; m < 3; m++, out_rng = s->out_uv_rng) {
715 for (in_rng = s->in_y_rng, n = 0; n < 3; n++, in_rng = s->in_uv_rng) {
716 s->yuv2yuv_coeffs[m][n][0] =
717 lrint(16384 * yuv2yuv[m][n] * out_rng * (1 << idepth) /
718 (in_rng * (1 << odepth)));
719 for (o = 1; o < 8; o++)
720 s->yuv2yuv_coeffs[m][n][o] = s->yuv2yuv_coeffs[m][n][0];
723 av_assert2(s->yuv2yuv_coeffs[1][0][0] == 0);
724 av_assert2(s->yuv2yuv_coeffs[2][0][0] == 0);
725 s->yuv2yuv = s->dsp.yuv2yuv[(idepth - 8) >> 1][(odepth - 8) >> 1]
726 [in_desc->log2_chroma_h + in_desc->log2_chroma_w];
736 static av_cold int init(AVFilterContext *ctx)
738 ColorSpaceContext *s = ctx->priv;
740 ff_colorspacedsp_init(&s->dsp);
745 static void uninit(AVFilterContext *ctx)
747 ColorSpaceContext *s = ctx->priv;
749 av_freep(&s->rgb[0]);
750 av_freep(&s->rgb[1]);
751 av_freep(&s->rgb[2]);
753 av_freep(&s->dither_scratch_base[0][0]);
754 av_freep(&s->dither_scratch_base[0][1]);
755 av_freep(&s->dither_scratch_base[1][0]);
756 av_freep(&s->dither_scratch_base[1][1]);
757 av_freep(&s->dither_scratch_base[2][0]);
758 av_freep(&s->dither_scratch_base[2][1]);
760 av_freep(&s->lin_lut);
763 static int filter_frame(AVFilterLink *link, AVFrame *in)
765 AVFilterContext *ctx = link->dst;
766 AVFilterLink *outlink = ctx->outputs[0];
767 ColorSpaceContext *s = ctx->priv;
768 // FIXME if yuv2yuv_passthrough, don't get a new buffer but use the
769 // input one if it is writable *OR* the actual literal values of in_*
770 // and out_* are identical (not just their respective properties)
771 AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
773 ptrdiff_t rgb_stride = FFALIGN(in->width * sizeof(int16_t), 32);
774 unsigned rgb_sz = rgb_stride * in->height;
779 return AVERROR(ENOMEM);
781 res = av_frame_copy_props(out, in);
788 out->color_primaries = s->user_prm == AVCOL_PRI_UNSPECIFIED ?
789 default_prm[FFMIN(s->user_all, CS_NB)] : s->user_prm;
790 if (s->user_trc == AVCOL_TRC_UNSPECIFIED) {
791 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
793 out->color_trc = default_trc[FFMIN(s->user_all, CS_NB)];
794 if (out->color_trc == AVCOL_TRC_BT2020_10 && desc && desc->comp[0].depth >= 12)
795 out->color_trc = AVCOL_TRC_BT2020_12;
797 out->color_trc = s->user_trc;
799 out->colorspace = s->user_csp == AVCOL_SPC_UNSPECIFIED ?
800 default_csp[FFMIN(s->user_all, CS_NB)] : s->user_csp;
801 out->color_range = s->user_rng == AVCOL_RANGE_UNSPECIFIED ?
802 in->color_range : s->user_rng;
803 if (rgb_sz != s->rgb_sz) {
804 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
805 int uvw = in->width >> desc->log2_chroma_w;
807 av_freep(&s->rgb[0]);
808 av_freep(&s->rgb[1]);
809 av_freep(&s->rgb[2]);
811 av_freep(&s->dither_scratch_base[0][0]);
812 av_freep(&s->dither_scratch_base[0][1]);
813 av_freep(&s->dither_scratch_base[1][0]);
814 av_freep(&s->dither_scratch_base[1][1]);
815 av_freep(&s->dither_scratch_base[2][0]);
816 av_freep(&s->dither_scratch_base[2][1]);
818 s->rgb[0] = av_malloc(rgb_sz);
819 s->rgb[1] = av_malloc(rgb_sz);
820 s->rgb[2] = av_malloc(rgb_sz);
821 s->dither_scratch_base[0][0] =
822 av_malloc(sizeof(*s->dither_scratch_base[0][0]) * (in->width + 4));
823 s->dither_scratch_base[0][1] =
824 av_malloc(sizeof(*s->dither_scratch_base[0][1]) * (in->width + 4));
825 s->dither_scratch_base[1][0] =
826 av_malloc(sizeof(*s->dither_scratch_base[1][0]) * (uvw + 4));
827 s->dither_scratch_base[1][1] =
828 av_malloc(sizeof(*s->dither_scratch_base[1][1]) * (uvw + 4));
829 s->dither_scratch_base[2][0] =
830 av_malloc(sizeof(*s->dither_scratch_base[2][0]) * (uvw + 4));
831 s->dither_scratch_base[2][1] =
832 av_malloc(sizeof(*s->dither_scratch_base[2][1]) * (uvw + 4));
833 s->dither_scratch[0][0] = &s->dither_scratch_base[0][0][1];
834 s->dither_scratch[0][1] = &s->dither_scratch_base[0][1][1];
835 s->dither_scratch[1][0] = &s->dither_scratch_base[1][0][1];
836 s->dither_scratch[1][1] = &s->dither_scratch_base[1][1][1];
837 s->dither_scratch[2][0] = &s->dither_scratch_base[2][0][1];
838 s->dither_scratch[2][1] = &s->dither_scratch_base[2][1][1];
839 if (!s->rgb[0] || !s->rgb[1] || !s->rgb[2] ||
840 !s->dither_scratch_base[0][0] || !s->dither_scratch_base[0][1] ||
841 !s->dither_scratch_base[1][0] || !s->dither_scratch_base[1][1] ||
842 !s->dither_scratch_base[2][0] || !s->dither_scratch_base[2][1]) {
846 return AVERROR(ENOMEM);
850 res = create_filtergraph(ctx, in, out);
856 s->rgb_stride = rgb_stride / sizeof(int16_t);
859 td.in_linesize[0] = in->linesize[0];
860 td.in_linesize[1] = in->linesize[1];
861 td.in_linesize[2] = in->linesize[2];
862 td.out_linesize[0] = out->linesize[0];
863 td.out_linesize[1] = out->linesize[1];
864 td.out_linesize[2] = out->linesize[2];
865 td.in_ss_h = av_pix_fmt_desc_get(in->format)->log2_chroma_h;
866 td.out_ss_h = av_pix_fmt_desc_get(out->format)->log2_chroma_h;
867 if (s->yuv2yuv_passthrough) {
868 res = av_frame_copy(out, in);
875 ctx->internal->execute(ctx, convert, &td, NULL,
876 FFMIN((in->height + 1) >> 1, ff_filter_get_nb_threads(ctx)));
880 return ff_filter_frame(outlink, out);
883 static int query_formats(AVFilterContext *ctx)
885 static const enum AVPixelFormat pix_fmts[] = {
886 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
887 AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
888 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
889 AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
893 ColorSpaceContext *s = ctx->priv;
894 AVFilterFormats *formats = ff_make_format_list(pix_fmts);
897 return AVERROR(ENOMEM);
898 if (s->user_format == AV_PIX_FMT_NONE)
899 return ff_set_common_formats(ctx, formats);
900 res = ff_formats_ref(formats, &ctx->inputs[0]->outcfg.formats);
904 res = ff_add_format(&formats, s->user_format);
908 return ff_formats_ref(formats, &ctx->outputs[0]->incfg.formats);
911 static int config_props(AVFilterLink *outlink)
913 AVFilterContext *ctx = outlink->dst;
914 AVFilterLink *inlink = outlink->src->inputs[0];
916 if (inlink->w % 2 || inlink->h % 2) {
917 av_log(ctx, AV_LOG_ERROR, "Invalid odd size (%dx%d)\n",
918 inlink->w, inlink->h);
919 return AVERROR_PATCHWELCOME;
922 outlink->w = inlink->w;
923 outlink->h = inlink->h;
924 outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
925 outlink->time_base = inlink->time_base;
930 #define OFFSET(x) offsetof(ColorSpaceContext, x)
931 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
932 #define ENUM(x, y, z) { x, "", 0, AV_OPT_TYPE_CONST, { .i64 = y }, INT_MIN, INT_MAX, FLAGS, z }
934 static const AVOption colorspace_options[] = {
935 { "all", "Set all color properties together",
936 OFFSET(user_all), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
937 CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
938 ENUM("bt470m", CS_BT470M, "all"),
939 ENUM("bt470bg", CS_BT470BG, "all"),
940 ENUM("bt601-6-525", CS_BT601_6_525, "all"),
941 ENUM("bt601-6-625", CS_BT601_6_625, "all"),
942 ENUM("bt709", CS_BT709, "all"),
943 ENUM("smpte170m", CS_SMPTE170M, "all"),
944 ENUM("smpte240m", CS_SMPTE240M, "all"),
945 ENUM("bt2020", CS_BT2020, "all"),
947 { "space", "Output colorspace",
948 OFFSET(user_csp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
949 AVCOL_SPC_RGB, AVCOL_SPC_NB - 1, FLAGS, "csp"},
950 ENUM("bt709", AVCOL_SPC_BT709, "csp"),
951 ENUM("fcc", AVCOL_SPC_FCC, "csp"),
952 ENUM("bt470bg", AVCOL_SPC_BT470BG, "csp"),
953 ENUM("smpte170m", AVCOL_SPC_SMPTE170M, "csp"),
954 ENUM("smpte240m", AVCOL_SPC_SMPTE240M, "csp"),
955 ENUM("ycgco", AVCOL_SPC_YCGCO, "csp"),
956 ENUM("gbr", AVCOL_SPC_RGB, "csp"),
957 ENUM("bt2020nc", AVCOL_SPC_BT2020_NCL, "csp"),
958 ENUM("bt2020ncl", AVCOL_SPC_BT2020_NCL, "csp"),
960 { "range", "Output color range",
961 OFFSET(user_rng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
962 AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
963 ENUM("tv", AVCOL_RANGE_MPEG, "rng"),
964 ENUM("mpeg", AVCOL_RANGE_MPEG, "rng"),
965 ENUM("pc", AVCOL_RANGE_JPEG, "rng"),
966 ENUM("jpeg", AVCOL_RANGE_JPEG, "rng"),
968 { "primaries", "Output color primaries",
969 OFFSET(user_prm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
970 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
971 ENUM("bt709", AVCOL_PRI_BT709, "prm"),
972 ENUM("bt470m", AVCOL_PRI_BT470M, "prm"),
973 ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"),
974 ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"),
975 ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"),
976 ENUM("smpte428", AVCOL_PRI_SMPTE428, "prm"),
977 ENUM("film", AVCOL_PRI_FILM, "prm"),
978 ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"),
979 ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"),
980 ENUM("bt2020", AVCOL_PRI_BT2020, "prm"),
981 ENUM("jedec-p22", AVCOL_PRI_JEDEC_P22, "prm"),
982 ENUM("ebu3213", AVCOL_PRI_EBU3213, "prm"),
984 { "trc", "Output transfer characteristics",
985 OFFSET(user_trc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
986 AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
987 ENUM("bt709", AVCOL_TRC_BT709, "trc"),
988 ENUM("bt470m", AVCOL_TRC_GAMMA22, "trc"),
989 ENUM("gamma22", AVCOL_TRC_GAMMA22, "trc"),
990 ENUM("bt470bg", AVCOL_TRC_GAMMA28, "trc"),
991 ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
992 ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
993 ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
994 ENUM("linear", AVCOL_TRC_LINEAR, "trc"),
995 ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
996 ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
997 ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),
998 ENUM("iec61966-2-4", AVCOL_TRC_IEC61966_2_4, "trc"),
999 ENUM("bt2020-10", AVCOL_TRC_BT2020_10, "trc"),
1000 ENUM("bt2020-12", AVCOL_TRC_BT2020_12, "trc"),
1002 { "format", "Output pixel format",
1003 OFFSET(user_format), AV_OPT_TYPE_INT, { .i64 = AV_PIX_FMT_NONE },
1004 AV_PIX_FMT_NONE, AV_PIX_FMT_GBRAP12LE, FLAGS, "fmt" },
1005 ENUM("yuv420p", AV_PIX_FMT_YUV420P, "fmt"),
1006 ENUM("yuv420p10", AV_PIX_FMT_YUV420P10, "fmt"),
1007 ENUM("yuv420p12", AV_PIX_FMT_YUV420P12, "fmt"),
1008 ENUM("yuv422p", AV_PIX_FMT_YUV422P, "fmt"),
1009 ENUM("yuv422p10", AV_PIX_FMT_YUV422P10, "fmt"),
1010 ENUM("yuv422p12", AV_PIX_FMT_YUV422P12, "fmt"),
1011 ENUM("yuv444p", AV_PIX_FMT_YUV444P, "fmt"),
1012 ENUM("yuv444p10", AV_PIX_FMT_YUV444P10, "fmt"),
1013 ENUM("yuv444p12", AV_PIX_FMT_YUV444P12, "fmt"),
1015 { "fast", "Ignore primary chromaticity and gamma correction",
1016 OFFSET(fast_mode), AV_OPT_TYPE_BOOL, { .i64 = 0 },
1019 { "dither", "Dithering mode",
1020 OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = DITHER_NONE },
1021 DITHER_NONE, DITHER_NB - 1, FLAGS, "dither" },
1022 ENUM("none", DITHER_NONE, "dither"),
1023 ENUM("fsb", DITHER_FSB, "dither"),
1025 { "wpadapt", "Whitepoint adaptation method",
1026 OFFSET(wp_adapt), AV_OPT_TYPE_INT, { .i64 = WP_ADAPT_BRADFORD },
1027 WP_ADAPT_BRADFORD, NB_WP_ADAPT - 1, FLAGS, "wpadapt" },
1028 ENUM("bradford", WP_ADAPT_BRADFORD, "wpadapt"),
1029 ENUM("vonkries", WP_ADAPT_VON_KRIES, "wpadapt"),
1030 ENUM("identity", WP_ADAPT_IDENTITY, "wpadapt"),
1032 { "iall", "Set all input color properties together",
1033 OFFSET(user_iall), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
1034 CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
1035 { "ispace", "Input colorspace",
1036 OFFSET(user_icsp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
1037 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "csp" },
1038 { "irange", "Input color range",
1039 OFFSET(user_irng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
1040 AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
1041 { "iprimaries", "Input color primaries",
1042 OFFSET(user_iprm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
1043 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
1044 { "itrc", "Input transfer characteristics",
1045 OFFSET(user_itrc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
1046 AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
1051 AVFILTER_DEFINE_CLASS(colorspace);
1053 static const AVFilterPad inputs[] = {
1056 .type = AVMEDIA_TYPE_VIDEO,
1057 .filter_frame = filter_frame,
1062 static const AVFilterPad outputs[] = {
1065 .type = AVMEDIA_TYPE_VIDEO,
1066 .config_props = config_props,
1071 AVFilter ff_vf_colorspace = {
1072 .name = "colorspace",
1073 .description = NULL_IF_CONFIG_SMALL("Convert between colorspaces."),
1076 .query_formats = query_formats,
1077 .priv_size = sizeof(ColorSpaceContext),
1078 .priv_class = &colorspace_class,
1081 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,