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/mem_internal.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/pixdesc.h"
30 #include "libavutil/pixfmt.h"
33 #include "colorspacedsp.h"
37 #include "colorspace.h"
66 enum WhitepointAdaptation {
69 NB_WP_ADAPT_NON_IDENTITY,
70 WP_ADAPT_IDENTITY = NB_WP_ADAPT_NON_IDENTITY,
74 static const enum AVColorTransferCharacteristic default_trc[CS_NB + 1] = {
75 [CS_UNSPECIFIED] = AVCOL_TRC_UNSPECIFIED,
76 [CS_BT470M] = AVCOL_TRC_GAMMA22,
77 [CS_BT470BG] = AVCOL_TRC_GAMMA28,
78 [CS_BT601_6_525] = AVCOL_TRC_SMPTE170M,
79 [CS_BT601_6_625] = AVCOL_TRC_SMPTE170M,
80 [CS_BT709] = AVCOL_TRC_BT709,
81 [CS_SMPTE170M] = AVCOL_TRC_SMPTE170M,
82 [CS_SMPTE240M] = AVCOL_TRC_SMPTE240M,
83 [CS_BT2020] = AVCOL_TRC_BT2020_10,
84 [CS_NB] = AVCOL_TRC_UNSPECIFIED,
87 static const enum AVColorPrimaries default_prm[CS_NB + 1] = {
88 [CS_UNSPECIFIED] = AVCOL_PRI_UNSPECIFIED,
89 [CS_BT470M] = AVCOL_PRI_BT470M,
90 [CS_BT470BG] = AVCOL_PRI_BT470BG,
91 [CS_BT601_6_525] = AVCOL_PRI_SMPTE170M,
92 [CS_BT601_6_625] = AVCOL_PRI_BT470BG,
93 [CS_BT709] = AVCOL_PRI_BT709,
94 [CS_SMPTE170M] = AVCOL_PRI_SMPTE170M,
95 [CS_SMPTE240M] = AVCOL_PRI_SMPTE240M,
96 [CS_BT2020] = AVCOL_PRI_BT2020,
97 [CS_NB] = AVCOL_PRI_UNSPECIFIED,
100 static const enum AVColorSpace default_csp[CS_NB + 1] = {
101 [CS_UNSPECIFIED] = AVCOL_SPC_UNSPECIFIED,
102 [CS_BT470M] = AVCOL_SPC_SMPTE170M,
103 [CS_BT470BG] = AVCOL_SPC_BT470BG,
104 [CS_BT601_6_525] = AVCOL_SPC_SMPTE170M,
105 [CS_BT601_6_625] = AVCOL_SPC_BT470BG,
106 [CS_BT709] = AVCOL_SPC_BT709,
107 [CS_SMPTE170M] = AVCOL_SPC_SMPTE170M,
108 [CS_SMPTE240M] = AVCOL_SPC_SMPTE240M,
109 [CS_BT2020] = AVCOL_SPC_BT2020_NCL,
110 [CS_NB] = AVCOL_SPC_UNSPECIFIED,
113 struct ColorPrimaries {
115 struct PrimaryCoefficients coeff;
118 struct TransferCharacteristics {
119 double alpha, beta, gamma, delta;
122 typedef struct ColorSpaceContext {
123 const AVClass *class;
125 ColorSpaceDSPContext dsp;
127 enum Colorspace user_all, user_iall;
128 enum AVColorSpace in_csp, out_csp, user_csp, user_icsp;
129 enum AVColorRange in_rng, out_rng, user_rng, user_irng;
130 enum AVColorTransferCharacteristic in_trc, out_trc, user_trc, user_itrc;
131 enum AVColorPrimaries in_prm, out_prm, user_prm, user_iprm;
132 enum AVPixelFormat in_format, user_format;
134 enum DitherMode dither;
135 enum WhitepointAdaptation wp_adapt;
138 ptrdiff_t rgb_stride;
140 int *dither_scratch[3][2], *dither_scratch_base[3][2];
142 const struct ColorPrimaries *in_primaries, *out_primaries;
143 int lrgb2lrgb_passthrough;
144 DECLARE_ALIGNED(16, int16_t, lrgb2lrgb_coeffs)[3][3][8];
146 const struct TransferCharacteristics *in_txchr, *out_txchr;
147 int rgb2rgb_passthrough;
148 int16_t *lin_lut, *delin_lut;
150 const struct LumaCoefficients *in_lumacoef, *out_lumacoef;
151 int yuv2yuv_passthrough, yuv2yuv_fastmode;
152 DECLARE_ALIGNED(16, int16_t, yuv2rgb_coeffs)[3][3][8];
153 DECLARE_ALIGNED(16, int16_t, rgb2yuv_coeffs)[3][3][8];
154 DECLARE_ALIGNED(16, int16_t, yuv2yuv_coeffs)[3][3][8];
155 DECLARE_ALIGNED(16, int16_t, yuv_offset)[2 /* in, out */][8];
158 rgb2yuv_fsb_fn rgb2yuv_fsb;
160 double yuv2rgb_dbl_coeffs[3][3], rgb2yuv_dbl_coeffs[3][3];
161 int in_y_rng, in_uv_rng, out_y_rng, out_uv_rng;
166 // FIXME deal with odd width/heights
167 // FIXME faster linearize/delinearize implementation (integer pow)
168 // FIXME bt2020cl support (linearization between yuv/rgb step instead of between rgb/xyz)
169 // FIXME test that the values in (de)lin_lut don't exceed their container storage
170 // type size (only useful if we keep the LUT and don't move to fast integer pow)
171 // FIXME dithering if bitdepth goes down?
172 // FIXME bitexact for fate integration?
174 // FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't
175 // find any actual tables that document their real values...
176 // See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters
177 static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB] = {
178 [AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 },
179 [AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 },
180 [AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
181 [AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 },
182 [AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 },
183 [AVCOL_TRC_LINEAR] = { 1.0, 0.0, 1.0, 0.0 },
184 [AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 },
185 [AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 },
186 [AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 },
187 [AVCOL_TRC_BT2020_12] = { 1.0993, 0.0181, 0.45, 4.5 },
190 static const struct TransferCharacteristics *
191 get_transfer_characteristics(enum AVColorTransferCharacteristic trc)
193 const struct TransferCharacteristics *coeffs;
195 if (trc >= AVCOL_TRC_NB)
197 coeffs = &transfer_characteristics[trc];
204 static const struct WhitepointCoefficients whitepoint_coefficients[WP_NB] = {
205 [WP_D65] = { 0.3127, 0.3290 },
206 [WP_C] = { 0.3100, 0.3160 },
207 [WP_DCI] = { 0.3140, 0.3510 },
208 [WP_E] = { 1/3.0f, 1/3.0f },
211 static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB] = {
212 [AVCOL_PRI_BT709] = { WP_D65, { 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 } },
213 [AVCOL_PRI_BT470M] = { WP_C, { 0.670, 0.330, 0.210, 0.710, 0.140, 0.080 } },
214 [AVCOL_PRI_BT470BG] = { WP_D65, { 0.640, 0.330, 0.290, 0.600, 0.150, 0.060 } },
215 [AVCOL_PRI_SMPTE170M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } },
216 [AVCOL_PRI_SMPTE240M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } },
217 [AVCOL_PRI_SMPTE428] = { WP_E, { 0.735, 0.265, 0.274, 0.718, 0.167, 0.009 } },
218 [AVCOL_PRI_SMPTE431] = { WP_DCI, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } },
219 [AVCOL_PRI_SMPTE432] = { WP_D65, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } },
220 [AVCOL_PRI_FILM] = { WP_C, { 0.681, 0.319, 0.243, 0.692, 0.145, 0.049 } },
221 [AVCOL_PRI_BT2020] = { WP_D65, { 0.708, 0.292, 0.170, 0.797, 0.131, 0.046 } },
222 [AVCOL_PRI_JEDEC_P22] = { WP_D65, { 0.630, 0.340, 0.295, 0.605, 0.155, 0.077 } },
225 static const struct ColorPrimaries *get_color_primaries(enum AVColorPrimaries prm)
227 const struct ColorPrimaries *p;
229 if (prm >= AVCOL_PRI_NB)
231 p = &color_primaries[prm];
238 static int fill_gamma_table(ColorSpaceContext *s)
241 double in_alpha = s->in_txchr->alpha, in_beta = s->in_txchr->beta;
242 double in_gamma = s->in_txchr->gamma, in_delta = s->in_txchr->delta;
243 double in_ialpha = 1.0 / in_alpha, in_igamma = 1.0 / in_gamma, in_idelta = 1.0 / in_delta;
244 double out_alpha = s->out_txchr->alpha, out_beta = s->out_txchr->beta;
245 double out_gamma = s->out_txchr->gamma, out_delta = s->out_txchr->delta;
247 s->lin_lut = av_malloc(sizeof(*s->lin_lut) * 32768 * 2);
249 return AVERROR(ENOMEM);
250 s->delin_lut = &s->lin_lut[32768];
251 for (n = 0; n < 32768; n++) {
252 double v = (n - 2048.0) / 28672.0, d, l;
255 if (v <= -out_beta) {
256 d = -out_alpha * pow(-v, out_gamma) + (out_alpha - 1.0);
257 } else if (v < out_beta) {
260 d = out_alpha * pow(v, out_gamma) - (out_alpha - 1.0);
262 s->delin_lut[n] = av_clip_int16(lrint(d * 28672.0));
265 if (v <= -in_beta * in_delta) {
266 l = -pow((1.0 - in_alpha - v) * in_ialpha, in_igamma);
267 } else if (v < in_beta * in_delta) {
270 l = pow((v + in_alpha - 1.0) * in_ialpha, in_igamma);
272 s->lin_lut[n] = av_clip_int16(lrint(l * 28672.0));
279 * See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
280 * This function uses the Bradford mechanism.
282 static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptation wp_adapt,
283 enum Whitepoint src, enum Whitepoint dst)
285 static const double ma_tbl[NB_WP_ADAPT_NON_IDENTITY][3][3] = {
286 [WP_ADAPT_BRADFORD] = {
287 { 0.8951, 0.2664, -0.1614 },
288 { -0.7502, 1.7135, 0.0367 },
289 { 0.0389, -0.0685, 1.0296 },
290 }, [WP_ADAPT_VON_KRIES] = {
291 { 0.40024, 0.70760, -0.08081 },
292 { -0.22630, 1.16532, 0.04570 },
293 { 0.00000, 0.00000, 0.91822 },
296 const double (*ma)[3] = ma_tbl[wp_adapt];
297 const struct WhitepointCoefficients *wp_src = &whitepoint_coefficients[src];
298 double zw_src = 1.0 - wp_src->xw - wp_src->yw;
299 const struct WhitepointCoefficients *wp_dst = &whitepoint_coefficients[dst];
300 double zw_dst = 1.0 - wp_dst->xw - wp_dst->yw;
301 double mai[3][3], fac[3][3], tmp[3][3];
302 double rs, gs, bs, rd, gd, bd;
304 ff_matrix_invert_3x3(ma, mai);
305 rs = ma[0][0] * wp_src->xw + ma[0][1] * wp_src->yw + ma[0][2] * zw_src;
306 gs = ma[1][0] * wp_src->xw + ma[1][1] * wp_src->yw + ma[1][2] * zw_src;
307 bs = ma[2][0] * wp_src->xw + ma[2][1] * wp_src->yw + ma[2][2] * zw_src;
308 rd = ma[0][0] * wp_dst->xw + ma[0][1] * wp_dst->yw + ma[0][2] * zw_dst;
309 gd = ma[1][0] * wp_dst->xw + ma[1][1] * wp_dst->yw + ma[1][2] * zw_dst;
310 bd = ma[2][0] * wp_dst->xw + ma[2][1] * wp_dst->yw + ma[2][2] * zw_dst;
314 fac[0][1] = fac[0][2] = fac[1][0] = fac[1][2] = fac[2][0] = fac[2][1] = 0.0;
315 ff_matrix_mul_3x3(tmp, ma, fac);
316 ff_matrix_mul_3x3(out, tmp, mai);
319 static void apply_lut(int16_t *buf[3], ptrdiff_t stride,
320 int w, int h, const int16_t *lut)
324 for (n = 0; n < 3; n++) {
325 int16_t *data = buf[n];
327 for (y = 0; y < h; y++) {
328 for (x = 0; x < w; x++)
329 data[x] = lut[av_clip_uintp2(2048 + data[x], 15)];
336 typedef struct ThreadData {
338 ptrdiff_t in_linesize[3], out_linesize[3];
339 int in_ss_h, out_ss_h;
342 static int convert(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
344 const ThreadData *td = data;
345 ColorSpaceContext *s = ctx->priv;
346 uint8_t *in_data[3], *out_data[3];
348 int h_in = (td->in->height + 1) >> 1;
349 int h1 = 2 * (job_nr * h_in / n_jobs), h2 = 2 * ((job_nr + 1) * h_in / n_jobs);
350 int w = td->in->width, h = h2 - h1;
352 in_data[0] = td->in->data[0] + td->in_linesize[0] * h1;
353 in_data[1] = td->in->data[1] + td->in_linesize[1] * (h1 >> td->in_ss_h);
354 in_data[2] = td->in->data[2] + td->in_linesize[2] * (h1 >> td->in_ss_h);
355 out_data[0] = td->out->data[0] + td->out_linesize[0] * h1;
356 out_data[1] = td->out->data[1] + td->out_linesize[1] * (h1 >> td->out_ss_h);
357 out_data[2] = td->out->data[2] + td->out_linesize[2] * (h1 >> td->out_ss_h);
358 rgb[0] = s->rgb[0] + s->rgb_stride * h1;
359 rgb[1] = s->rgb[1] + s->rgb_stride * h1;
360 rgb[2] = s->rgb[2] + s->rgb_stride * h1;
362 // FIXME for simd, also make sure we do pictures with negative stride
363 // top-down so we don't overwrite lines with padding of data before it
364 // in the same buffer (same as swscale)
366 if (s->yuv2yuv_fastmode) {
367 // FIXME possibly use a fast mode in case only the y range changes?
368 // since in that case, only the diagonal entries in yuv2yuv_coeffs[]
370 s->yuv2yuv(out_data, td->out_linesize, in_data, td->in_linesize, w, h,
371 s->yuv2yuv_coeffs, s->yuv_offset);
373 // FIXME maybe (for caching efficiency) do pipeline per-line instead of
374 // full buffer per function? (Or, since yuv2rgb requires 2 lines: per
375 // 2 lines, for yuv420.)
378 * - yuv2rgb converts from whatever range the input was ([16-235/240] or
379 * [0,255] or the 10/12bpp equivalents thereof) to an integer version
380 * of RGB in psuedo-restricted 15+sign bits. That means that the float
381 * range [0.0,1.0] is in [0,28762], and the remainder of the int16_t
382 * range is used for overflow/underflow outside the representable
383 * range of this RGB type. rgb2yuv is the exact opposite.
384 * - gamma correction is done using a LUT since that appears to work
386 * - If the input is chroma-subsampled (420/422), the yuv2rgb conversion
387 * (or rgb2yuv conversion) uses nearest-neighbour sampling to read
388 * read chroma pixels at luma resolution. If you want some more fancy
389 * filter, you can use swscale to convert to yuv444p.
390 * - all coefficients are 14bit (so in the [-2.0,2.0] range).
392 s->yuv2rgb(rgb, s->rgb_stride, in_data, td->in_linesize, w, h,
393 s->yuv2rgb_coeffs, s->yuv_offset[0]);
394 if (!s->rgb2rgb_passthrough) {
395 apply_lut(rgb, s->rgb_stride, w, h, s->lin_lut);
396 if (!s->lrgb2lrgb_passthrough)
397 s->dsp.multiply3x3(rgb, s->rgb_stride, w, h, s->lrgb2lrgb_coeffs);
398 apply_lut(rgb, s->rgb_stride, w, h, s->delin_lut);
400 if (s->dither == DITHER_FSB) {
401 s->rgb2yuv_fsb(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
402 s->rgb2yuv_coeffs, s->yuv_offset[1], s->dither_scratch);
404 s->rgb2yuv(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
405 s->rgb2yuv_coeffs, s->yuv_offset[1]);
412 static int get_range_off(AVFilterContext *ctx, int *off,
413 int *y_rng, int *uv_rng,
414 enum AVColorRange rng, int depth)
417 case AVCOL_RANGE_UNSPECIFIED: {
418 ColorSpaceContext *s = ctx->priv;
420 if (!s->did_warn_range) {
421 av_log(ctx, AV_LOG_WARNING, "Input range not set, assuming tv/mpeg\n");
422 s->did_warn_range = 1;
426 case AVCOL_RANGE_MPEG:
427 *off = 16 << (depth - 8);
428 *y_rng = 219 << (depth - 8);
429 *uv_rng = 224 << (depth - 8);
431 case AVCOL_RANGE_JPEG:
433 *y_rng = *uv_rng = (256 << (depth - 8)) - 1;
436 return AVERROR(EINVAL);
442 static int create_filtergraph(AVFilterContext *ctx,
443 const AVFrame *in, const AVFrame *out)
445 ColorSpaceContext *s = ctx->priv;
446 const AVPixFmtDescriptor *in_desc = av_pix_fmt_desc_get(in->format);
447 const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(out->format);
448 int emms = 0, m, n, o, res, fmt_identical, redo_yuv2rgb = 0, redo_rgb2yuv = 0;
450 #define supported_depth(d) ((d) == 8 || (d) == 10 || (d) == 12)
451 #define supported_subsampling(lcw, lch) \
452 (((lcw) == 0 && (lch) == 0) || ((lcw) == 1 && (lch) == 0) || ((lcw) == 1 && (lch) == 1))
453 #define supported_format(d) \
454 ((d) != NULL && (d)->nb_components == 3 && \
455 !((d)->flags & AV_PIX_FMT_FLAG_RGB) && \
456 supported_depth((d)->comp[0].depth) && \
457 supported_subsampling((d)->log2_chroma_w, (d)->log2_chroma_h))
459 if (!supported_format(in_desc)) {
460 av_log(ctx, AV_LOG_ERROR,
461 "Unsupported input format %d (%s) or bitdepth (%d)\n",
462 in->format, av_get_pix_fmt_name(in->format),
463 in_desc ? in_desc->comp[0].depth : -1);
464 return AVERROR(EINVAL);
466 if (!supported_format(out_desc)) {
467 av_log(ctx, AV_LOG_ERROR,
468 "Unsupported output format %d (%s) or bitdepth (%d)\n",
469 out->format, av_get_pix_fmt_name(out->format),
470 out_desc ? out_desc->comp[0].depth : -1);
471 return AVERROR(EINVAL);
474 if (in->color_primaries != s->in_prm) s->in_primaries = NULL;
475 if (out->color_primaries != s->out_prm) s->out_primaries = NULL;
476 if (in->color_trc != s->in_trc) s->in_txchr = NULL;
477 if (out->color_trc != s->out_trc) s->out_txchr = NULL;
478 if (in->colorspace != s->in_csp ||
479 in->color_range != s->in_rng) s->in_lumacoef = NULL;
480 if (out->colorspace != s->out_csp ||
481 out->color_range != s->out_rng) s->out_lumacoef = NULL;
483 if (!s->out_primaries || !s->in_primaries) {
484 s->in_prm = in->color_primaries;
485 if (s->user_iall != CS_UNSPECIFIED)
486 s->in_prm = default_prm[FFMIN(s->user_iall, CS_NB)];
487 if (s->user_iprm != AVCOL_PRI_UNSPECIFIED)
488 s->in_prm = s->user_iprm;
489 s->in_primaries = get_color_primaries(s->in_prm);
490 if (!s->in_primaries) {
491 av_log(ctx, AV_LOG_ERROR,
492 "Unsupported input primaries %d (%s)\n",
493 s->in_prm, av_color_primaries_name(s->in_prm));
494 return AVERROR(EINVAL);
496 s->out_prm = out->color_primaries;
497 s->out_primaries = get_color_primaries(s->out_prm);
498 if (!s->out_primaries) {
499 if (s->out_prm == AVCOL_PRI_UNSPECIFIED) {
500 if (s->user_all == CS_UNSPECIFIED) {
501 av_log(ctx, AV_LOG_ERROR, "Please specify output primaries\n");
503 av_log(ctx, AV_LOG_ERROR,
504 "Unsupported output color property %d\n", s->user_all);
507 av_log(ctx, AV_LOG_ERROR,
508 "Unsupported output primaries %d (%s)\n",
509 s->out_prm, av_color_primaries_name(s->out_prm));
511 return AVERROR(EINVAL);
513 s->lrgb2lrgb_passthrough = !memcmp(s->in_primaries, s->out_primaries,
514 sizeof(*s->in_primaries));
515 if (!s->lrgb2lrgb_passthrough) {
516 double rgb2xyz[3][3], xyz2rgb[3][3], rgb2rgb[3][3];
517 const struct WhitepointCoefficients *wp_out, *wp_in;
519 wp_out = &whitepoint_coefficients[s->out_primaries->wp];
520 wp_in = &whitepoint_coefficients[s->in_primaries->wp];
521 ff_fill_rgb2xyz_table(&s->out_primaries->coeff, wp_out, rgb2xyz);
522 ff_matrix_invert_3x3(rgb2xyz, xyz2rgb);
523 ff_fill_rgb2xyz_table(&s->in_primaries->coeff, wp_in, rgb2xyz);
524 if (s->out_primaries->wp != s->in_primaries->wp &&
525 s->wp_adapt != WP_ADAPT_IDENTITY) {
526 double wpconv[3][3], tmp[3][3];
528 fill_whitepoint_conv_table(wpconv, s->wp_adapt, s->in_primaries->wp,
529 s->out_primaries->wp);
530 ff_matrix_mul_3x3(tmp, rgb2xyz, wpconv);
531 ff_matrix_mul_3x3(rgb2rgb, tmp, xyz2rgb);
533 ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb);
535 for (m = 0; m < 3; m++)
536 for (n = 0; n < 3; n++) {
537 s->lrgb2lrgb_coeffs[m][n][0] = lrint(16384.0 * rgb2rgb[m][n]);
538 for (o = 1; o < 8; o++)
539 s->lrgb2lrgb_coeffs[m][n][o] = s->lrgb2lrgb_coeffs[m][n][0];
547 av_freep(&s->lin_lut);
548 s->in_trc = in->color_trc;
549 if (s->user_iall != CS_UNSPECIFIED)
550 s->in_trc = default_trc[FFMIN(s->user_iall, CS_NB)];
551 if (s->user_itrc != AVCOL_TRC_UNSPECIFIED)
552 s->in_trc = s->user_itrc;
553 s->in_txchr = get_transfer_characteristics(s->in_trc);
555 av_log(ctx, AV_LOG_ERROR,
556 "Unsupported input transfer characteristics %d (%s)\n",
557 s->in_trc, av_color_transfer_name(s->in_trc));
558 return AVERROR(EINVAL);
563 av_freep(&s->lin_lut);
564 s->out_trc = out->color_trc;
565 s->out_txchr = get_transfer_characteristics(s->out_trc);
567 if (s->out_trc == AVCOL_TRC_UNSPECIFIED) {
568 if (s->user_all == CS_UNSPECIFIED) {
569 av_log(ctx, AV_LOG_ERROR,
570 "Please specify output transfer characteristics\n");
572 av_log(ctx, AV_LOG_ERROR,
573 "Unsupported output color property %d\n", s->user_all);
576 av_log(ctx, AV_LOG_ERROR,
577 "Unsupported output transfer characteristics %d (%s)\n",
578 s->out_trc, av_color_transfer_name(s->out_trc));
580 return AVERROR(EINVAL);
584 s->rgb2rgb_passthrough = s->fast_mode || (s->lrgb2lrgb_passthrough &&
585 !memcmp(s->in_txchr, s->out_txchr, sizeof(*s->in_txchr)));
586 if (!s->rgb2rgb_passthrough && !s->lin_lut) {
587 res = fill_gamma_table(s);
593 if (!s->in_lumacoef) {
594 s->in_csp = in->colorspace;
595 if (s->user_iall != CS_UNSPECIFIED)
596 s->in_csp = default_csp[FFMIN(s->user_iall, CS_NB)];
597 if (s->user_icsp != AVCOL_SPC_UNSPECIFIED)
598 s->in_csp = s->user_icsp;
599 s->in_rng = in->color_range;
600 if (s->user_irng != AVCOL_RANGE_UNSPECIFIED)
601 s->in_rng = s->user_irng;
602 s->in_lumacoef = ff_get_luma_coefficients(s->in_csp);
603 if (!s->in_lumacoef) {
604 av_log(ctx, AV_LOG_ERROR,
605 "Unsupported input colorspace %d (%s)\n",
606 s->in_csp, av_color_space_name(s->in_csp));
607 return AVERROR(EINVAL);
612 if (!s->out_lumacoef) {
613 s->out_csp = out->colorspace;
614 s->out_rng = out->color_range;
615 s->out_lumacoef = ff_get_luma_coefficients(s->out_csp);
616 if (!s->out_lumacoef) {
617 if (s->out_csp == AVCOL_SPC_UNSPECIFIED) {
618 if (s->user_all == CS_UNSPECIFIED) {
619 av_log(ctx, AV_LOG_ERROR,
620 "Please specify output transfer characteristics\n");
622 av_log(ctx, AV_LOG_ERROR,
623 "Unsupported output color property %d\n", s->user_all);
626 av_log(ctx, AV_LOG_ERROR,
627 "Unsupported output transfer characteristics %d (%s)\n",
628 s->out_csp, av_color_space_name(s->out_csp));
630 return AVERROR(EINVAL);
635 fmt_identical = in_desc->log2_chroma_h == out_desc->log2_chroma_h &&
636 in_desc->log2_chroma_w == out_desc->log2_chroma_w;
637 s->yuv2yuv_fastmode = s->rgb2rgb_passthrough && fmt_identical;
638 s->yuv2yuv_passthrough = s->yuv2yuv_fastmode && s->in_rng == s->out_rng &&
639 !memcmp(s->in_lumacoef, s->out_lumacoef,
640 sizeof(*s->in_lumacoef)) &&
641 in_desc->comp[0].depth == out_desc->comp[0].depth;
642 if (!s->yuv2yuv_passthrough) {
644 double rgb2yuv[3][3], (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
645 int off, bits, in_rng;
647 res = get_range_off(ctx, &off, &s->in_y_rng, &s->in_uv_rng,
648 s->in_rng, in_desc->comp[0].depth);
650 av_log(ctx, AV_LOG_ERROR,
651 "Unsupported input color range %d (%s)\n",
652 s->in_rng, av_color_range_name(s->in_rng));
655 for (n = 0; n < 8; n++)
656 s->yuv_offset[0][n] = off;
657 ff_fill_rgb2yuv_table(s->in_lumacoef, rgb2yuv);
658 ff_matrix_invert_3x3(rgb2yuv, yuv2rgb);
659 bits = 1 << (in_desc->comp[0].depth - 1);
660 for (n = 0; n < 3; n++) {
661 for (in_rng = s->in_y_rng, m = 0; m < 3; m++, in_rng = s->in_uv_rng) {
662 s->yuv2rgb_coeffs[n][m][0] = lrint(28672 * bits * yuv2rgb[n][m] / in_rng);
663 for (o = 1; o < 8; o++)
664 s->yuv2rgb_coeffs[n][m][o] = s->yuv2rgb_coeffs[n][m][0];
667 av_assert2(s->yuv2rgb_coeffs[0][1][0] == 0);
668 av_assert2(s->yuv2rgb_coeffs[2][2][0] == 0);
669 av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[1][0][0]);
670 av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[2][0][0]);
671 s->yuv2rgb = s->dsp.yuv2rgb[(in_desc->comp[0].depth - 8) >> 1]
672 [in_desc->log2_chroma_h + in_desc->log2_chroma_w];
677 double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
678 int off, out_rng, bits;
680 res = get_range_off(ctx, &off, &s->out_y_rng, &s->out_uv_rng,
681 s->out_rng, out_desc->comp[0].depth);
683 av_log(ctx, AV_LOG_ERROR,
684 "Unsupported output color range %d (%s)\n",
685 s->out_rng, av_color_range_name(s->out_rng));
688 for (n = 0; n < 8; n++)
689 s->yuv_offset[1][n] = off;
690 ff_fill_rgb2yuv_table(s->out_lumacoef, rgb2yuv);
691 bits = 1 << (29 - out_desc->comp[0].depth);
692 for (out_rng = s->out_y_rng, n = 0; n < 3; n++, out_rng = s->out_uv_rng) {
693 for (m = 0; m < 3; m++) {
694 s->rgb2yuv_coeffs[n][m][0] = lrint(bits * out_rng * rgb2yuv[n][m] / 28672);
695 for (o = 1; o < 8; o++)
696 s->rgb2yuv_coeffs[n][m][o] = s->rgb2yuv_coeffs[n][m][0];
699 av_assert2(s->rgb2yuv_coeffs[1][2][0] == s->rgb2yuv_coeffs[2][0][0]);
700 s->rgb2yuv = s->dsp.rgb2yuv[(out_desc->comp[0].depth - 8) >> 1]
701 [out_desc->log2_chroma_h + out_desc->log2_chroma_w];
702 s->rgb2yuv_fsb = s->dsp.rgb2yuv_fsb[(out_desc->comp[0].depth - 8) >> 1]
703 [out_desc->log2_chroma_h + out_desc->log2_chroma_w];
707 if (s->yuv2yuv_fastmode && (redo_yuv2rgb || redo_rgb2yuv)) {
708 int idepth = in_desc->comp[0].depth, odepth = out_desc->comp[0].depth;
709 double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
710 double (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
711 double yuv2yuv[3][3];
714 ff_matrix_mul_3x3(yuv2yuv, yuv2rgb, rgb2yuv);
715 for (out_rng = s->out_y_rng, m = 0; m < 3; m++, out_rng = s->out_uv_rng) {
716 for (in_rng = s->in_y_rng, n = 0; n < 3; n++, in_rng = s->in_uv_rng) {
717 s->yuv2yuv_coeffs[m][n][0] =
718 lrint(16384 * yuv2yuv[m][n] * out_rng * (1 << idepth) /
719 (in_rng * (1 << odepth)));
720 for (o = 1; o < 8; o++)
721 s->yuv2yuv_coeffs[m][n][o] = s->yuv2yuv_coeffs[m][n][0];
724 av_assert2(s->yuv2yuv_coeffs[1][0][0] == 0);
725 av_assert2(s->yuv2yuv_coeffs[2][0][0] == 0);
726 s->yuv2yuv = s->dsp.yuv2yuv[(idepth - 8) >> 1][(odepth - 8) >> 1]
727 [in_desc->log2_chroma_h + in_desc->log2_chroma_w];
737 static av_cold int init(AVFilterContext *ctx)
739 ColorSpaceContext *s = ctx->priv;
741 ff_colorspacedsp_init(&s->dsp);
746 static void uninit(AVFilterContext *ctx)
748 ColorSpaceContext *s = ctx->priv;
750 av_freep(&s->rgb[0]);
751 av_freep(&s->rgb[1]);
752 av_freep(&s->rgb[2]);
754 av_freep(&s->dither_scratch_base[0][0]);
755 av_freep(&s->dither_scratch_base[0][1]);
756 av_freep(&s->dither_scratch_base[1][0]);
757 av_freep(&s->dither_scratch_base[1][1]);
758 av_freep(&s->dither_scratch_base[2][0]);
759 av_freep(&s->dither_scratch_base[2][1]);
761 av_freep(&s->lin_lut);
764 static int filter_frame(AVFilterLink *link, AVFrame *in)
766 AVFilterContext *ctx = link->dst;
767 AVFilterLink *outlink = ctx->outputs[0];
768 ColorSpaceContext *s = ctx->priv;
769 // FIXME if yuv2yuv_passthrough, don't get a new buffer but use the
770 // input one if it is writable *OR* the actual literal values of in_*
771 // and out_* are identical (not just their respective properties)
772 AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
774 ptrdiff_t rgb_stride = FFALIGN(in->width * sizeof(int16_t), 32);
775 unsigned rgb_sz = rgb_stride * in->height;
780 return AVERROR(ENOMEM);
782 res = av_frame_copy_props(out, in);
789 out->color_primaries = s->user_prm == AVCOL_PRI_UNSPECIFIED ?
790 default_prm[FFMIN(s->user_all, CS_NB)] : s->user_prm;
791 if (s->user_trc == AVCOL_TRC_UNSPECIFIED) {
792 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
794 out->color_trc = default_trc[FFMIN(s->user_all, CS_NB)];
795 if (out->color_trc == AVCOL_TRC_BT2020_10 && desc && desc->comp[0].depth >= 12)
796 out->color_trc = AVCOL_TRC_BT2020_12;
798 out->color_trc = s->user_trc;
800 out->colorspace = s->user_csp == AVCOL_SPC_UNSPECIFIED ?
801 default_csp[FFMIN(s->user_all, CS_NB)] : s->user_csp;
802 out->color_range = s->user_rng == AVCOL_RANGE_UNSPECIFIED ?
803 in->color_range : s->user_rng;
804 if (rgb_sz != s->rgb_sz) {
805 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
806 int uvw = in->width >> desc->log2_chroma_w;
808 av_freep(&s->rgb[0]);
809 av_freep(&s->rgb[1]);
810 av_freep(&s->rgb[2]);
812 av_freep(&s->dither_scratch_base[0][0]);
813 av_freep(&s->dither_scratch_base[0][1]);
814 av_freep(&s->dither_scratch_base[1][0]);
815 av_freep(&s->dither_scratch_base[1][1]);
816 av_freep(&s->dither_scratch_base[2][0]);
817 av_freep(&s->dither_scratch_base[2][1]);
819 s->rgb[0] = av_malloc(rgb_sz);
820 s->rgb[1] = av_malloc(rgb_sz);
821 s->rgb[2] = av_malloc(rgb_sz);
822 s->dither_scratch_base[0][0] =
823 av_malloc(sizeof(*s->dither_scratch_base[0][0]) * (in->width + 4));
824 s->dither_scratch_base[0][1] =
825 av_malloc(sizeof(*s->dither_scratch_base[0][1]) * (in->width + 4));
826 s->dither_scratch_base[1][0] =
827 av_malloc(sizeof(*s->dither_scratch_base[1][0]) * (uvw + 4));
828 s->dither_scratch_base[1][1] =
829 av_malloc(sizeof(*s->dither_scratch_base[1][1]) * (uvw + 4));
830 s->dither_scratch_base[2][0] =
831 av_malloc(sizeof(*s->dither_scratch_base[2][0]) * (uvw + 4));
832 s->dither_scratch_base[2][1] =
833 av_malloc(sizeof(*s->dither_scratch_base[2][1]) * (uvw + 4));
834 s->dither_scratch[0][0] = &s->dither_scratch_base[0][0][1];
835 s->dither_scratch[0][1] = &s->dither_scratch_base[0][1][1];
836 s->dither_scratch[1][0] = &s->dither_scratch_base[1][0][1];
837 s->dither_scratch[1][1] = &s->dither_scratch_base[1][1][1];
838 s->dither_scratch[2][0] = &s->dither_scratch_base[2][0][1];
839 s->dither_scratch[2][1] = &s->dither_scratch_base[2][1][1];
840 if (!s->rgb[0] || !s->rgb[1] || !s->rgb[2] ||
841 !s->dither_scratch_base[0][0] || !s->dither_scratch_base[0][1] ||
842 !s->dither_scratch_base[1][0] || !s->dither_scratch_base[1][1] ||
843 !s->dither_scratch_base[2][0] || !s->dither_scratch_base[2][1]) {
847 return AVERROR(ENOMEM);
851 res = create_filtergraph(ctx, in, out);
857 s->rgb_stride = rgb_stride / sizeof(int16_t);
860 td.in_linesize[0] = in->linesize[0];
861 td.in_linesize[1] = in->linesize[1];
862 td.in_linesize[2] = in->linesize[2];
863 td.out_linesize[0] = out->linesize[0];
864 td.out_linesize[1] = out->linesize[1];
865 td.out_linesize[2] = out->linesize[2];
866 td.in_ss_h = av_pix_fmt_desc_get(in->format)->log2_chroma_h;
867 td.out_ss_h = av_pix_fmt_desc_get(out->format)->log2_chroma_h;
868 if (s->yuv2yuv_passthrough) {
869 res = av_frame_copy(out, in);
876 ctx->internal->execute(ctx, convert, &td, NULL,
877 FFMIN((in->height + 1) >> 1, ff_filter_get_nb_threads(ctx)));
881 return ff_filter_frame(outlink, out);
884 static int query_formats(AVFilterContext *ctx)
886 static const enum AVPixelFormat pix_fmts[] = {
887 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
888 AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
889 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
890 AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
894 ColorSpaceContext *s = ctx->priv;
895 AVFilterFormats *formats = ff_make_format_list(pix_fmts);
898 return AVERROR(ENOMEM);
899 if (s->user_format == AV_PIX_FMT_NONE)
900 return ff_set_common_formats(ctx, formats);
901 res = ff_formats_ref(formats, &ctx->inputs[0]->outcfg.formats);
905 res = ff_add_format(&formats, s->user_format);
909 return ff_formats_ref(formats, &ctx->outputs[0]->incfg.formats);
912 static int config_props(AVFilterLink *outlink)
914 AVFilterContext *ctx = outlink->dst;
915 AVFilterLink *inlink = outlink->src->inputs[0];
917 if (inlink->w % 2 || inlink->h % 2) {
918 av_log(ctx, AV_LOG_ERROR, "Invalid odd size (%dx%d)\n",
919 inlink->w, inlink->h);
920 return AVERROR_PATCHWELCOME;
923 outlink->w = inlink->w;
924 outlink->h = inlink->h;
925 outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
926 outlink->time_base = inlink->time_base;
931 #define OFFSET(x) offsetof(ColorSpaceContext, x)
932 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
933 #define ENUM(x, y, z) { x, "", 0, AV_OPT_TYPE_CONST, { .i64 = y }, INT_MIN, INT_MAX, FLAGS, z }
935 static const AVOption colorspace_options[] = {
936 { "all", "Set all color properties together",
937 OFFSET(user_all), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
938 CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
939 ENUM("bt470m", CS_BT470M, "all"),
940 ENUM("bt470bg", CS_BT470BG, "all"),
941 ENUM("bt601-6-525", CS_BT601_6_525, "all"),
942 ENUM("bt601-6-625", CS_BT601_6_625, "all"),
943 ENUM("bt709", CS_BT709, "all"),
944 ENUM("smpte170m", CS_SMPTE170M, "all"),
945 ENUM("smpte240m", CS_SMPTE240M, "all"),
946 ENUM("bt2020", CS_BT2020, "all"),
948 { "space", "Output colorspace",
949 OFFSET(user_csp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
950 AVCOL_SPC_RGB, AVCOL_SPC_NB - 1, FLAGS, "csp"},
951 ENUM("bt709", AVCOL_SPC_BT709, "csp"),
952 ENUM("fcc", AVCOL_SPC_FCC, "csp"),
953 ENUM("bt470bg", AVCOL_SPC_BT470BG, "csp"),
954 ENUM("smpte170m", AVCOL_SPC_SMPTE170M, "csp"),
955 ENUM("smpte240m", AVCOL_SPC_SMPTE240M, "csp"),
956 ENUM("ycgco", AVCOL_SPC_YCGCO, "csp"),
957 ENUM("gbr", AVCOL_SPC_RGB, "csp"),
958 ENUM("bt2020nc", AVCOL_SPC_BT2020_NCL, "csp"),
959 ENUM("bt2020ncl", AVCOL_SPC_BT2020_NCL, "csp"),
961 { "range", "Output color range",
962 OFFSET(user_rng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
963 AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
964 ENUM("tv", AVCOL_RANGE_MPEG, "rng"),
965 ENUM("mpeg", AVCOL_RANGE_MPEG, "rng"),
966 ENUM("pc", AVCOL_RANGE_JPEG, "rng"),
967 ENUM("jpeg", AVCOL_RANGE_JPEG, "rng"),
969 { "primaries", "Output color primaries",
970 OFFSET(user_prm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
971 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
972 ENUM("bt709", AVCOL_PRI_BT709, "prm"),
973 ENUM("bt470m", AVCOL_PRI_BT470M, "prm"),
974 ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"),
975 ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"),
976 ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"),
977 ENUM("smpte428", AVCOL_PRI_SMPTE428, "prm"),
978 ENUM("film", AVCOL_PRI_FILM, "prm"),
979 ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"),
980 ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"),
981 ENUM("bt2020", AVCOL_PRI_BT2020, "prm"),
982 ENUM("jedec-p22", AVCOL_PRI_JEDEC_P22, "prm"),
983 ENUM("ebu3213", AVCOL_PRI_EBU3213, "prm"),
985 { "trc", "Output transfer characteristics",
986 OFFSET(user_trc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
987 AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
988 ENUM("bt709", AVCOL_TRC_BT709, "trc"),
989 ENUM("bt470m", AVCOL_TRC_GAMMA22, "trc"),
990 ENUM("gamma22", AVCOL_TRC_GAMMA22, "trc"),
991 ENUM("bt470bg", AVCOL_TRC_GAMMA28, "trc"),
992 ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
993 ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
994 ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
995 ENUM("linear", AVCOL_TRC_LINEAR, "trc"),
996 ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
997 ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
998 ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),
999 ENUM("iec61966-2-4", AVCOL_TRC_IEC61966_2_4, "trc"),
1000 ENUM("bt2020-10", AVCOL_TRC_BT2020_10, "trc"),
1001 ENUM("bt2020-12", AVCOL_TRC_BT2020_12, "trc"),
1003 { "format", "Output pixel format",
1004 OFFSET(user_format), AV_OPT_TYPE_INT, { .i64 = AV_PIX_FMT_NONE },
1005 AV_PIX_FMT_NONE, AV_PIX_FMT_GBRAP12LE, FLAGS, "fmt" },
1006 ENUM("yuv420p", AV_PIX_FMT_YUV420P, "fmt"),
1007 ENUM("yuv420p10", AV_PIX_FMT_YUV420P10, "fmt"),
1008 ENUM("yuv420p12", AV_PIX_FMT_YUV420P12, "fmt"),
1009 ENUM("yuv422p", AV_PIX_FMT_YUV422P, "fmt"),
1010 ENUM("yuv422p10", AV_PIX_FMT_YUV422P10, "fmt"),
1011 ENUM("yuv422p12", AV_PIX_FMT_YUV422P12, "fmt"),
1012 ENUM("yuv444p", AV_PIX_FMT_YUV444P, "fmt"),
1013 ENUM("yuv444p10", AV_PIX_FMT_YUV444P10, "fmt"),
1014 ENUM("yuv444p12", AV_PIX_FMT_YUV444P12, "fmt"),
1016 { "fast", "Ignore primary chromaticity and gamma correction",
1017 OFFSET(fast_mode), AV_OPT_TYPE_BOOL, { .i64 = 0 },
1020 { "dither", "Dithering mode",
1021 OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = DITHER_NONE },
1022 DITHER_NONE, DITHER_NB - 1, FLAGS, "dither" },
1023 ENUM("none", DITHER_NONE, "dither"),
1024 ENUM("fsb", DITHER_FSB, "dither"),
1026 { "wpadapt", "Whitepoint adaptation method",
1027 OFFSET(wp_adapt), AV_OPT_TYPE_INT, { .i64 = WP_ADAPT_BRADFORD },
1028 WP_ADAPT_BRADFORD, NB_WP_ADAPT - 1, FLAGS, "wpadapt" },
1029 ENUM("bradford", WP_ADAPT_BRADFORD, "wpadapt"),
1030 ENUM("vonkries", WP_ADAPT_VON_KRIES, "wpadapt"),
1031 ENUM("identity", WP_ADAPT_IDENTITY, "wpadapt"),
1033 { "iall", "Set all input color properties together",
1034 OFFSET(user_iall), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
1035 CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
1036 { "ispace", "Input colorspace",
1037 OFFSET(user_icsp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
1038 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "csp" },
1039 { "irange", "Input color range",
1040 OFFSET(user_irng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
1041 AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
1042 { "iprimaries", "Input color primaries",
1043 OFFSET(user_iprm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
1044 AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
1045 { "itrc", "Input transfer characteristics",
1046 OFFSET(user_itrc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
1047 AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
1052 AVFILTER_DEFINE_CLASS(colorspace);
1054 static const AVFilterPad inputs[] = {
1057 .type = AVMEDIA_TYPE_VIDEO,
1058 .filter_frame = filter_frame,
1063 static const AVFilterPad outputs[] = {
1066 .type = AVMEDIA_TYPE_VIDEO,
1067 .config_props = config_props,
1072 AVFilter ff_vf_colorspace = {
1073 .name = "colorspace",
1074 .description = NULL_IF_CONFIG_SMALL("Convert between colorspaces."),
1077 .query_formats = query_formats,
1078 .priv_size = sizeof(ColorSpaceContext),
1079 .priv_class = &colorspace_class,
1082 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,