FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
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			/*
22			* @file
23			* Convert between colorspaces.
24			*/
25
26			#include "libavutil/avassert.h"
27			#include "libavutil/csp.h"
28			#include "libavutil/mem_internal.h"
29			#include "libavutil/opt.h"
30			#include "libavutil/pixdesc.h"
31			#include "libavutil/pixfmt.h"
32
33			#include "avfilter.h"
34			#include "colorspacedsp.h"
35			#include "formats.h"
36			#include "internal.h"
37			#include "video.h"
38			#include "colorspace.h"
39
40			enum DitherMode {
41			DITHER_NONE,
42			DITHER_FSB,
43			DITHER_NB,
44			};
45
46			enum Colorspace {
47			CS_UNSPECIFIED,
48			CS_BT470M,
49			CS_BT470BG,
50			CS_BT601_6_525,
51			CS_BT601_6_625,
52			CS_BT709,
53			CS_SMPTE170M,
54			CS_SMPTE240M,
55			CS_BT2020,
56			CS_NB,
57			};
58
59			enum WhitepointAdaptation {
60			WP_ADAPT_BRADFORD,
61			WP_ADAPT_VON_KRIES,
62			NB_WP_ADAPT_NON_IDENTITY,
63			WP_ADAPT_IDENTITY = NB_WP_ADAPT_NON_IDENTITY,
64			NB_WP_ADAPT,
65			};
66
67			static const enum AVColorTransferCharacteristic default_trc[CS_NB + 1] = {
68			[CS_UNSPECIFIED] = AVCOL_TRC_UNSPECIFIED,
69			[CS_BT470M] = AVCOL_TRC_GAMMA22,
70			[CS_BT470BG] = AVCOL_TRC_GAMMA28,
71			[CS_BT601_6_525] = AVCOL_TRC_SMPTE170M,
72			[CS_BT601_6_625] = AVCOL_TRC_SMPTE170M,
73			[CS_BT709] = AVCOL_TRC_BT709,
74			[CS_SMPTE170M] = AVCOL_TRC_SMPTE170M,
75			[CS_SMPTE240M] = AVCOL_TRC_SMPTE240M,
76			[CS_BT2020] = AVCOL_TRC_BT2020_10,
77			[CS_NB] = AVCOL_TRC_UNSPECIFIED,
78			};
79
80			static const enum AVColorPrimaries default_prm[CS_NB + 1] = {
81			[CS_UNSPECIFIED] = AVCOL_PRI_UNSPECIFIED,
82			[CS_BT470M] = AVCOL_PRI_BT470M,
83			[CS_BT470BG] = AVCOL_PRI_BT470BG,
84			[CS_BT601_6_525] = AVCOL_PRI_SMPTE170M,
85			[CS_BT601_6_625] = AVCOL_PRI_BT470BG,
86			[CS_BT709] = AVCOL_PRI_BT709,
87			[CS_SMPTE170M] = AVCOL_PRI_SMPTE170M,
88			[CS_SMPTE240M] = AVCOL_PRI_SMPTE240M,
89			[CS_BT2020] = AVCOL_PRI_BT2020,
90			[CS_NB] = AVCOL_PRI_UNSPECIFIED,
91			};
92
93			static const enum AVColorSpace default_csp[CS_NB + 1] = {
94			[CS_UNSPECIFIED] = AVCOL_SPC_UNSPECIFIED,
95			[CS_BT470M] = AVCOL_SPC_SMPTE170M,
96			[CS_BT470BG] = AVCOL_SPC_BT470BG,
97			[CS_BT601_6_525] = AVCOL_SPC_SMPTE170M,
98			[CS_BT601_6_625] = AVCOL_SPC_BT470BG,
99			[CS_BT709] = AVCOL_SPC_BT709,
100			[CS_SMPTE170M] = AVCOL_SPC_SMPTE170M,
101			[CS_SMPTE240M] = AVCOL_SPC_SMPTE240M,
102			[CS_BT2020] = AVCOL_SPC_BT2020_NCL,
103			[CS_NB] = AVCOL_SPC_UNSPECIFIED,
104			};
105
106			struct TransferCharacteristics {
107			double alpha, beta, gamma, delta;
108			};
109
110			typedef struct ColorSpaceContext {
111			const AVClass *class;
112
113			ColorSpaceDSPContext dsp;
114
115			enum Colorspace user_all, user_iall;
116			enum AVColorSpace in_csp, out_csp, user_csp, user_icsp;
117			enum AVColorRange in_rng, out_rng, user_rng, user_irng;
118			enum AVColorTransferCharacteristic in_trc, out_trc, user_trc, user_itrc;
119			enum AVColorPrimaries in_prm, out_prm, user_prm, user_iprm;
120			enum AVPixelFormat in_format, user_format;
121			int fast_mode;
122			enum DitherMode dither;
123			enum WhitepointAdaptation wp_adapt;
124
125			int16_t *rgb[3];
126			ptrdiff_t rgb_stride;
127			unsigned rgb_sz;
128			int *dither_scratch[3][2], *dither_scratch_base[3][2];
129
130			const AVColorPrimariesDesc *in_primaries, *out_primaries;
131			int lrgb2lrgb_passthrough;
132			DECLARE_ALIGNED(16, int16_t, lrgb2lrgb_coeffs)[3][3][8];
133
134			const struct TransferCharacteristics *in_txchr, *out_txchr;
135			int rgb2rgb_passthrough;
136			int16_t *lin_lut, *delin_lut;
137
138			const AVLumaCoefficients *in_lumacoef, *out_lumacoef;
139			int yuv2yuv_passthrough, yuv2yuv_fastmode;
140			DECLARE_ALIGNED(16, int16_t, yuv2rgb_coeffs)[3][3][8];
141			DECLARE_ALIGNED(16, int16_t, rgb2yuv_coeffs)[3][3][8];
142			DECLARE_ALIGNED(16, int16_t, yuv2yuv_coeffs)[3][3][8];
143			DECLARE_ALIGNED(16, int16_t, yuv_offset)[2 /* in, out */][8];
144			yuv2rgb_fn yuv2rgb;
145			rgb2yuv_fn rgb2yuv;
146			rgb2yuv_fsb_fn rgb2yuv_fsb;
147			yuv2yuv_fn yuv2yuv;
148			double yuv2rgb_dbl_coeffs[3][3], rgb2yuv_dbl_coeffs[3][3];
149			int in_y_rng, in_uv_rng, out_y_rng, out_uv_rng;
150
151			int did_warn_range;
152			} ColorSpaceContext;
153
154			// FIXME deal with odd width/heights
155			// FIXME faster linearize/delinearize implementation (integer pow)
156			// FIXME bt2020cl support (linearization between yuv/rgb step instead of between rgb/xyz)
157			// FIXME test that the values in (de)lin_lut don't exceed their container storage
158			// type size (only useful if we keep the LUT and don't move to fast integer pow)
159			// FIXME dithering if bitdepth goes down?
160			// FIXME bitexact for fate integration?
161
162			// FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't
163			// find any actual tables that document their real values...
164			// See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters
165			static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB] = {
166			[AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 },
167			[AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 },
168			[AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
169			[AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 },
170			[AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 },
171			[AVCOL_TRC_LINEAR] = { 1.0, 0.0, 1.0, 0.0 },
172			[AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 },
173			[AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 },
174			[AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 },
175			[AVCOL_TRC_BT2020_12] = { 1.0993, 0.0181, 0.45, 4.5 },
176			};
177
178			static const struct TransferCharacteristics *
179		✗	get_transfer_characteristics(enum AVColorTransferCharacteristic trc)
180			{
181			const struct TransferCharacteristics *coeffs;
182
183		✗	if (trc >= AVCOL_TRC_NB)
184		✗	return NULL;
185		✗	coeffs = &transfer_characteristics[trc];
186		✗	if (!coeffs->alpha)
187		✗	return NULL;
188
189		✗	return coeffs;
190			}
191
192		✗	static int fill_gamma_table(ColorSpaceContext *s)
193			{
194			int n;
195		✗	double in_alpha = s->in_txchr->alpha, in_beta = s->in_txchr->beta;
196		✗	double in_gamma = s->in_txchr->gamma, in_delta = s->in_txchr->delta;
197		✗	double in_ialpha = 1.0 / in_alpha, in_igamma = 1.0 / in_gamma, in_idelta = 1.0 / in_delta;
198		✗	double out_alpha = s->out_txchr->alpha, out_beta = s->out_txchr->beta;
199		✗	double out_gamma = s->out_txchr->gamma, out_delta = s->out_txchr->delta;
200
201		✗	s->lin_lut = av_malloc(sizeof(*s->lin_lut) * 32768 * 2);
202		✗	if (!s->lin_lut)
203		✗	return AVERROR(ENOMEM);
204		✗	s->delin_lut = &s->lin_lut[32768];
205		✗	for (n = 0; n < 32768; n++) {
206		✗	double v = (n - 2048.0) / 28672.0, d, l;
207
208			// delinearize
209		✗	if (v <= -out_beta) {
210		✗	d = -out_alpha * pow(-v, out_gamma) + (out_alpha - 1.0);
211		✗	} else if (v < out_beta) {
212		✗	d = out_delta * v;
213			} else {
214		✗	d = out_alpha * pow(v, out_gamma) - (out_alpha - 1.0);
215			}
216		✗	s->delin_lut[n] = av_clip_int16(lrint(d * 28672.0));
217
218			// linearize
219		✗	if (v <= -in_beta * in_delta) {
220		✗	l = -pow((1.0 - in_alpha - v) * in_ialpha, in_igamma);
221		✗	} else if (v < in_beta * in_delta) {
222		✗	l = v * in_idelta;
223			} else {
224		✗	l = pow((v + in_alpha - 1.0) * in_ialpha, in_igamma);
225			}
226		✗	s->lin_lut[n] = av_clip_int16(lrint(l * 28672.0));
227			}
228
229		✗	return 0;
230			}
231
232			/*
233			* See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
234			* This function uses the Bradford mechanism.
235			*/
236		✗	static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptation wp_adapt,
237			const AVWhitepointCoefficients *wp_src,
238			const AVWhitepointCoefficients *wp_dst)
239			{
240			static const double ma_tbl[NB_WP_ADAPT_NON_IDENTITY][3][3] = {
241			[WP_ADAPT_BRADFORD] = {
242			{ 0.8951, 0.2664, -0.1614 },
243			{ -0.7502, 1.7135, 0.0367 },
244			{ 0.0389, -0.0685, 1.0296 },
245			}, [WP_ADAPT_VON_KRIES] = {
246			{ 0.40024, 0.70760, -0.08081 },
247			{ -0.22630, 1.16532, 0.04570 },
248			{ 0.00000, 0.00000, 0.91822 },
249			},
250			};
251		✗	const double (*ma)[3] = ma_tbl[wp_adapt];
252		✗	double xw_src = av_q2d(wp_src->x), yw_src = av_q2d(wp_src->y);
253		✗	double xw_dst = av_q2d(wp_dst->x), yw_dst = av_q2d(wp_dst->y);
254		✗	double zw_src = 1.0 - xw_src - yw_src;
255		✗	double zw_dst = 1.0 - xw_dst - yw_dst;
256			double mai[3][3], fac[3][3], tmp[3][3];
257			double rs, gs, bs, rd, gd, bd;
258
259		✗	ff_matrix_invert_3x3(ma, mai);
260		✗	rs = ma[0][0] * xw_src + ma[0][1] * yw_src + ma[0][2] * zw_src;
261		✗	gs = ma[1][0] * xw_src + ma[1][1] * yw_src + ma[1][2] * zw_src;
262		✗	bs = ma[2][0] * xw_src + ma[2][1] * yw_src + ma[2][2] * zw_src;
263		✗	rd = ma[0][0] * xw_dst + ma[0][1] * yw_dst + ma[0][2] * zw_dst;
264		✗	gd = ma[1][0] * xw_dst + ma[1][1] * yw_dst + ma[1][2] * zw_dst;
265		✗	bd = ma[2][0] * xw_dst + ma[2][1] * yw_dst + ma[2][2] * zw_dst;
266		✗	fac[0][0] = rd / rs;
267		✗	fac[1][1] = gd / gs;
268		✗	fac[2][2] = bd / bs;
269		✗	fac[0][1] = fac[0][2] = fac[1][0] = fac[1][2] = fac[2][0] = fac[2][1] = 0.0;
270		✗	ff_matrix_mul_3x3(tmp, ma, fac);
271		✗	ff_matrix_mul_3x3(out, tmp, mai);
272		✗	}
273
274		✗	static void apply_lut(int16_t *buf[3], ptrdiff_t stride,
275			int w, int h, const int16_t *lut)
276			{
277			int y, x, n;
278
279		✗	for (n = 0; n < 3; n++) {
280		✗	int16_t *data = buf[n];
281
282		✗	for (y = 0; y < h; y++) {
283		✗	for (x = 0; x < w; x++)
284		✗	data[x] = lut[av_clip_uintp2(2048 + data[x], 15)];
285
286		✗	data += stride;
287			}
288			}
289		✗	}
290
291			typedef struct ThreadData {
292			AVFrame *in, *out;
293			ptrdiff_t in_linesize[3], out_linesize[3];
294			int in_ss_h, out_ss_h;
295			} ThreadData;
296
297		✗	static int convert(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
298			{
299		✗	const ThreadData *td = data;
300		✗	ColorSpaceContext *s = ctx->priv;
301			uint8_t *in_data[3], *out_data[3];
302			int16_t *rgb[3];
303		✗	int h_in = (td->in->height + 1) >> 1;
304		✗	int h1 = 2 * (job_nr * h_in / n_jobs), h2 = 2 * ((job_nr + 1) * h_in / n_jobs);
305		✗	int w = td->in->width, h = h2 - h1;
306
307		✗	in_data[0] = td->in->data[0] + td->in_linesize[0] * h1;
308		✗	in_data[1] = td->in->data[1] + td->in_linesize[1] * (h1 >> td->in_ss_h);
309		✗	in_data[2] = td->in->data[2] + td->in_linesize[2] * (h1 >> td->in_ss_h);
310		✗	out_data[0] = td->out->data[0] + td->out_linesize[0] * h1;
311		✗	out_data[1] = td->out->data[1] + td->out_linesize[1] * (h1 >> td->out_ss_h);
312		✗	out_data[2] = td->out->data[2] + td->out_linesize[2] * (h1 >> td->out_ss_h);
313		✗	rgb[0] = s->rgb[0] + s->rgb_stride * h1;
314		✗	rgb[1] = s->rgb[1] + s->rgb_stride * h1;
315		✗	rgb[2] = s->rgb[2] + s->rgb_stride * h1;
316
317			// FIXME for simd, also make sure we do pictures with negative stride
318			// top-down so we don't overwrite lines with padding of data before it
319			// in the same buffer (same as swscale)
320
321		✗	if (s->yuv2yuv_fastmode) {
322			// FIXME possibly use a fast mode in case only the y range changes?
323			// since in that case, only the diagonal entries in yuv2yuv_coeffs[]
324			// are non-zero
325		✗	s->yuv2yuv(out_data, td->out_linesize, in_data, td->in_linesize, w, h,
326		✗	s->yuv2yuv_coeffs, s->yuv_offset);
327			} else {
328			// FIXME maybe (for caching efficiency) do pipeline per-line instead of
329			// full buffer per function? (Or, since yuv2rgb requires 2 lines: per
330			// 2 lines, for yuv420.)
331			/*
332			* General design:
333			* - yuv2rgb converts from whatever range the input was ([16-235/240] or
334			* [0,255] or the 10/12bpp equivalents thereof) to an integer version
335			* of RGB in psuedo-restricted 15+sign bits. That means that the float
336			* range [0.0,1.0] is in [0,28762], and the remainder of the int16_t
337			* range is used for overflow/underflow outside the representable
338			* range of this RGB type. rgb2yuv is the exact opposite.
339			* - gamma correction is done using a LUT since that appears to work
340			* fairly fast.
341			* - If the input is chroma-subsampled (420/422), the yuv2rgb conversion
342			* (or rgb2yuv conversion) uses nearest-neighbour sampling to read
343			* read chroma pixels at luma resolution. If you want some more fancy
344			* filter, you can use swscale to convert to yuv444p.
345			* - all coefficients are 14bit (so in the [-2.0,2.0] range).
346			*/
347		✗	s->yuv2rgb(rgb, s->rgb_stride, in_data, td->in_linesize, w, h,
348		✗	s->yuv2rgb_coeffs, s->yuv_offset[0]);
349		✗	if (!s->rgb2rgb_passthrough) {
350		✗	apply_lut(rgb, s->rgb_stride, w, h, s->lin_lut);
351		✗	if (!s->lrgb2lrgb_passthrough)
352		✗	s->dsp.multiply3x3(rgb, s->rgb_stride, w, h, s->lrgb2lrgb_coeffs);
353		✗	apply_lut(rgb, s->rgb_stride, w, h, s->delin_lut);
354			}
355		✗	if (s->dither == DITHER_FSB) {
356		✗	s->rgb2yuv_fsb(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
357		✗	s->rgb2yuv_coeffs, s->yuv_offset[1], s->dither_scratch);
358			} else {
359		✗	s->rgb2yuv(out_data, td->out_linesize, rgb, s->rgb_stride, w, h,
360		✗	s->rgb2yuv_coeffs, s->yuv_offset[1]);
361			}
362			}
363
364		✗	return 0;
365			}
366
367		✗	static int get_range_off(AVFilterContext *ctx, int *off,
368			int *y_rng, int *uv_rng,
369			enum AVColorRange rng, int depth)
370			{
371		✗	switch (rng) {
372		✗	case AVCOL_RANGE_UNSPECIFIED: {
373		✗	ColorSpaceContext *s = ctx->priv;
374
375		✗	if (!s->did_warn_range) {
376		✗	av_log(ctx, AV_LOG_WARNING, "Input range not set, assuming tv/mpeg\n");
377		✗	s->did_warn_range = 1;
378			}
379			}
380			// fall-through
381			case AVCOL_RANGE_MPEG:
382		✗	*off = 16 << (depth - 8);
383		✗	*y_rng = 219 << (depth - 8);
384		✗	*uv_rng = 224 << (depth - 8);
385		✗	break;
386		✗	case AVCOL_RANGE_JPEG:
387		✗	*off = 0;
388		✗	*y_rng = *uv_rng = (256 << (depth - 8)) - 1;
389		✗	break;
390		✗	default:
391		✗	return AVERROR(EINVAL);
392			}
393
394		✗	return 0;
395			}
396
397		✗	static int create_filtergraph(AVFilterContext *ctx,
398			const AVFrame *in, const AVFrame *out)
399			{
400		✗	ColorSpaceContext *s = ctx->priv;
401		✗	const AVPixFmtDescriptor *in_desc = av_pix_fmt_desc_get(in->format);
402		✗	const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(out->format);
403		✗	int m, n, o, res, fmt_identical, redo_yuv2rgb = 0, redo_rgb2yuv = 0;
404
405			#define supported_depth(d) ((d) == 8 || (d) == 10 || (d) == 12)
406			#define supported_subsampling(lcw, lch) \
407			(((lcw) == 0 && (lch) == 0) || ((lcw) == 1 && (lch) == 0) || ((lcw) == 1 && (lch) == 1))
408			#define supported_format(d) \
409			((d) != NULL && (d)->nb_components == 3 && \
410			!((d)->flags & AV_PIX_FMT_FLAG_RGB) && \
411			supported_depth((d)->comp[0].depth) && \
412			supported_subsampling((d)->log2_chroma_w, (d)->log2_chroma_h))
413
414		✗	if (!supported_format(in_desc)) {
415		✗	av_log(ctx, AV_LOG_ERROR,
416			"Unsupported input format %d (%s) or bitdepth (%d)\n",
417		✗	in->format, av_get_pix_fmt_name(in->format),
418			in_desc ? in_desc->comp[0].depth : -1);
419		✗	return AVERROR(EINVAL);
420			}
421		✗	if (!supported_format(out_desc)) {
422		✗	av_log(ctx, AV_LOG_ERROR,
423			"Unsupported output format %d (%s) or bitdepth (%d)\n",
424		✗	out->format, av_get_pix_fmt_name(out->format),
425			out_desc ? out_desc->comp[0].depth : -1);
426		✗	return AVERROR(EINVAL);
427			}
428
429		✗	if (in->color_primaries != s->in_prm) s->in_primaries = NULL;
430		✗	if (out->color_primaries != s->out_prm) s->out_primaries = NULL;
431		✗	if (in->color_trc != s->in_trc) s->in_txchr = NULL;
432		✗	if (out->color_trc != s->out_trc) s->out_txchr = NULL;
433		✗	if (in->colorspace != s->in_csp ||
434		✗	in->color_range != s->in_rng) s->in_lumacoef = NULL;
435		✗	if (out->colorspace != s->out_csp ||
436		✗	out->color_range != s->out_rng) s->out_lumacoef = NULL;
437
438		✗	if (!s->out_primaries || !s->in_primaries) {
439		✗	s->in_prm = in->color_primaries;
440		✗	if (s->user_iall != CS_UNSPECIFIED)
441		✗	s->in_prm = default_prm[FFMIN(s->user_iall, CS_NB)];
442		✗	if (s->user_iprm != AVCOL_PRI_UNSPECIFIED)
443		✗	s->in_prm = s->user_iprm;
444		✗	s->in_primaries = av_csp_primaries_desc_from_id(s->in_prm);
445		✗	if (!s->in_primaries) {
446		✗	av_log(ctx, AV_LOG_ERROR,
447			"Unsupported input primaries %d (%s)\n",
448		✗	s->in_prm, av_color_primaries_name(s->in_prm));
449		✗	return AVERROR(EINVAL);
450			}
451		✗	s->out_prm = out->color_primaries;
452		✗	s->out_primaries = av_csp_primaries_desc_from_id(s->out_prm);
453		✗	if (!s->out_primaries) {
454		✗	if (s->out_prm == AVCOL_PRI_UNSPECIFIED) {
455		✗	if (s->user_all == CS_UNSPECIFIED) {
456		✗	av_log(ctx, AV_LOG_ERROR, "Please specify output primaries\n");
457			} else {
458		✗	av_log(ctx, AV_LOG_ERROR,
459		✗	"Unsupported output color property %d\n", s->user_all);
460			}
461			} else {
462		✗	av_log(ctx, AV_LOG_ERROR,
463			"Unsupported output primaries %d (%s)\n",
464		✗	s->out_prm, av_color_primaries_name(s->out_prm));
465			}
466		✗	return AVERROR(EINVAL);
467			}
468		✗	s->lrgb2lrgb_passthrough = !memcmp(s->in_primaries, s->out_primaries,
469			sizeof(*s->in_primaries));
470		✗	if (!s->lrgb2lrgb_passthrough) {
471			double rgb2xyz[3][3], xyz2rgb[3][3], rgb2rgb[3][3];
472			const AVWhitepointCoefficients *wp_out, *wp_in;
473
474		✗	wp_out = &s->out_primaries->wp;
475		✗	wp_in = &s->in_primaries->wp;
476		✗	ff_fill_rgb2xyz_table(&s->out_primaries->prim, wp_out, rgb2xyz);
477		✗	ff_matrix_invert_3x3(rgb2xyz, xyz2rgb);
478		✗	ff_fill_rgb2xyz_table(&s->in_primaries->prim, wp_in, rgb2xyz);
479		✗	if (memcmp(wp_in, wp_out, sizeof(*wp_in)) != 0 &&
480		✗	s->wp_adapt != WP_ADAPT_IDENTITY) {
481			double wpconv[3][3], tmp[3][3];
482
483		✗	fill_whitepoint_conv_table(wpconv, s->wp_adapt, &s->in_primaries->wp,
484		✗	&s->out_primaries->wp);
485		✗	ff_matrix_mul_3x3(tmp, rgb2xyz, wpconv);
486		✗	ff_matrix_mul_3x3(rgb2rgb, tmp, xyz2rgb);
487			} else {
488		✗	ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb);
489			}
490		✗	for (m = 0; m < 3; m++)
491		✗	for (n = 0; n < 3; n++) {
492		✗	s->lrgb2lrgb_coeffs[m][n][0] = lrint(16384.0 * rgb2rgb[m][n]);
493		✗	for (o = 1; o < 8; o++)
494		✗	s->lrgb2lrgb_coeffs[m][n][o] = s->lrgb2lrgb_coeffs[m][n][0];
495			}
496
497			}
498			}
499
500		✗	if (!s->in_txchr) {
501		✗	av_freep(&s->lin_lut);
502		✗	s->in_trc = in->color_trc;
503		✗	if (s->user_iall != CS_UNSPECIFIED)
504		✗	s->in_trc = default_trc[FFMIN(s->user_iall, CS_NB)];
505		✗	if (s->user_itrc != AVCOL_TRC_UNSPECIFIED)
506		✗	s->in_trc = s->user_itrc;
507		✗	s->in_txchr = get_transfer_characteristics(s->in_trc);
508		✗	if (!s->in_txchr) {
509		✗	av_log(ctx, AV_LOG_ERROR,
510			"Unsupported input transfer characteristics %d (%s)\n",
511		✗	s->in_trc, av_color_transfer_name(s->in_trc));
512		✗	return AVERROR(EINVAL);
513			}
514			}
515
516		✗	if (!s->out_txchr) {
517		✗	av_freep(&s->lin_lut);
518		✗	s->out_trc = out->color_trc;
519		✗	s->out_txchr = get_transfer_characteristics(s->out_trc);
520		✗	if (!s->out_txchr) {
521		✗	if (s->out_trc == AVCOL_TRC_UNSPECIFIED) {
522		✗	if (s->user_all == CS_UNSPECIFIED) {
523		✗	av_log(ctx, AV_LOG_ERROR,
524			"Please specify output transfer characteristics\n");
525			} else {
526		✗	av_log(ctx, AV_LOG_ERROR,
527		✗	"Unsupported output color property %d\n", s->user_all);
528			}
529			} else {
530		✗	av_log(ctx, AV_LOG_ERROR,
531			"Unsupported output transfer characteristics %d (%s)\n",
532		✗	s->out_trc, av_color_transfer_name(s->out_trc));
533			}
534		✗	return AVERROR(EINVAL);
535			}
536			}
537
538		✗	s->rgb2rgb_passthrough = s->fast_mode || (s->lrgb2lrgb_passthrough &&
539		✗	!memcmp(s->in_txchr, s->out_txchr, sizeof(*s->in_txchr)));
540		✗	if (!s->rgb2rgb_passthrough && !s->lin_lut) {
541		✗	res = fill_gamma_table(s);
542		✗	if (res < 0)
543		✗	return res;
544			}
545
546		✗	if (!s->in_lumacoef) {
547		✗	s->in_csp = in->colorspace;
548		✗	if (s->user_iall != CS_UNSPECIFIED)
549		✗	s->in_csp = default_csp[FFMIN(s->user_iall, CS_NB)];
550		✗	if (s->user_icsp != AVCOL_SPC_UNSPECIFIED)
551		✗	s->in_csp = s->user_icsp;
552		✗	s->in_rng = in->color_range;
553		✗	if (s->user_irng != AVCOL_RANGE_UNSPECIFIED)
554		✗	s->in_rng = s->user_irng;
555		✗	s->in_lumacoef = av_csp_luma_coeffs_from_avcsp(s->in_csp);
556		✗	if (!s->in_lumacoef) {
557		✗	av_log(ctx, AV_LOG_ERROR,
558			"Unsupported input colorspace %d (%s)\n",
559		✗	s->in_csp, av_color_space_name(s->in_csp));
560		✗	return AVERROR(EINVAL);
561			}
562		✗	redo_yuv2rgb = 1;
563			}
564
565		✗	if (!s->out_lumacoef) {
566		✗	s->out_csp = out->colorspace;
567		✗	s->out_rng = out->color_range;
568		✗	s->out_lumacoef = av_csp_luma_coeffs_from_avcsp(s->out_csp);
569		✗	if (!s->out_lumacoef) {
570		✗	if (s->out_csp == AVCOL_SPC_UNSPECIFIED) {
571		✗	if (s->user_all == CS_UNSPECIFIED) {
572		✗	av_log(ctx, AV_LOG_ERROR,
573			"Please specify output colorspace\n");
574			} else {
575		✗	av_log(ctx, AV_LOG_ERROR,
576		✗	"Unsupported output color property %d\n", s->user_all);
577			}
578			} else {
579		✗	av_log(ctx, AV_LOG_ERROR,
580		✗	"Unsupported output colorspace %d (%s)\n", s->out_csp,
581			av_color_space_name(s->out_csp));
582			}
583		✗	return AVERROR(EINVAL);
584			}
585		✗	redo_rgb2yuv = 1;
586			}
587
588		✗	fmt_identical = in_desc->log2_chroma_h == out_desc->log2_chroma_h &&
589		✗	in_desc->log2_chroma_w == out_desc->log2_chroma_w;
590		✗	s->yuv2yuv_fastmode = s->rgb2rgb_passthrough && fmt_identical;
591		✗	s->yuv2yuv_passthrough = s->yuv2yuv_fastmode && s->in_rng == s->out_rng &&
592		✗	!memcmp(s->in_lumacoef, s->out_lumacoef,
593		✗	sizeof(*s->in_lumacoef)) &&
594		✗	in_desc->comp[0].depth == out_desc->comp[0].depth;
595		✗	if (!s->yuv2yuv_passthrough) {
596		✗	if (redo_yuv2rgb) {
597		✗	double rgb2yuv[3][3], (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
598			int off, bits, in_rng;
599
600		✗	res = get_range_off(ctx, &off, &s->in_y_rng, &s->in_uv_rng,
601		✗	s->in_rng, in_desc->comp[0].depth);
602		✗	if (res < 0) {
603		✗	av_log(ctx, AV_LOG_ERROR,
604			"Unsupported input color range %d (%s)\n",
605		✗	s->in_rng, av_color_range_name(s->in_rng));
606		✗	return res;
607			}
608		✗	for (n = 0; n < 8; n++)
609		✗	s->yuv_offset[0][n] = off;
610		✗	ff_fill_rgb2yuv_table(s->in_lumacoef, rgb2yuv);
611		✗	ff_matrix_invert_3x3(rgb2yuv, yuv2rgb);
612		✗	bits = 1 << (in_desc->comp[0].depth - 1);
613		✗	for (n = 0; n < 3; n++) {
614		✗	for (in_rng = s->in_y_rng, m = 0; m < 3; m++, in_rng = s->in_uv_rng) {
615		✗	s->yuv2rgb_coeffs[n][m][0] = lrint(28672 * bits * yuv2rgb[n][m] / in_rng);
616		✗	for (o = 1; o < 8; o++)
617		✗	s->yuv2rgb_coeffs[n][m][o] = s->yuv2rgb_coeffs[n][m][0];
618			}
619			}
620			av_assert2(s->yuv2rgb_coeffs[0][1][0] == 0);
621			av_assert2(s->yuv2rgb_coeffs[2][2][0] == 0);
622			av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[1][0][0]);
623			av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[2][0][0]);
624		✗	s->yuv2rgb = s->dsp.yuv2rgb[(in_desc->comp[0].depth - 8) >> 1]
625		✗	[in_desc->log2_chroma_h + in_desc->log2_chroma_w];
626			}
627
628		✗	if (redo_rgb2yuv) {
629		✗	double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
630			int off, out_rng, bits;
631
632		✗	res = get_range_off(ctx, &off, &s->out_y_rng, &s->out_uv_rng,
633		✗	s->out_rng, out_desc->comp[0].depth);
634		✗	if (res < 0) {
635		✗	av_log(ctx, AV_LOG_ERROR,
636			"Unsupported output color range %d (%s)\n",
637		✗	s->out_rng, av_color_range_name(s->out_rng));
638		✗	return res;
639			}
640		✗	for (n = 0; n < 8; n++)
641		✗	s->yuv_offset[1][n] = off;
642		✗	ff_fill_rgb2yuv_table(s->out_lumacoef, rgb2yuv);
643		✗	bits = 1 << (29 - out_desc->comp[0].depth);
644		✗	for (out_rng = s->out_y_rng, n = 0; n < 3; n++, out_rng = s->out_uv_rng) {
645		✗	for (m = 0; m < 3; m++) {
646		✗	s->rgb2yuv_coeffs[n][m][0] = lrint(bits * out_rng * rgb2yuv[n][m] / 28672);
647		✗	for (o = 1; o < 8; o++)
648		✗	s->rgb2yuv_coeffs[n][m][o] = s->rgb2yuv_coeffs[n][m][0];
649			}
650			}
651			av_assert2(s->rgb2yuv_coeffs[1][2][0] == s->rgb2yuv_coeffs[2][0][0]);
652		✗	s->rgb2yuv = s->dsp.rgb2yuv[(out_desc->comp[0].depth - 8) >> 1]
653		✗	[out_desc->log2_chroma_h + out_desc->log2_chroma_w];
654		✗	s->rgb2yuv_fsb = s->dsp.rgb2yuv_fsb[(out_desc->comp[0].depth - 8) >> 1]
655		✗	[out_desc->log2_chroma_h + out_desc->log2_chroma_w];
656			}
657
658		✗	if (s->yuv2yuv_fastmode && (redo_yuv2rgb || redo_rgb2yuv)) {
659		✗	int idepth = in_desc->comp[0].depth, odepth = out_desc->comp[0].depth;
660		✗	double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs;
661		✗	double (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs;
662			double yuv2yuv[3][3];
663			int in_rng, out_rng;
664
665		✗	ff_matrix_mul_3x3(yuv2yuv, yuv2rgb, rgb2yuv);
666		✗	for (out_rng = s->out_y_rng, m = 0; m < 3; m++, out_rng = s->out_uv_rng) {
667		✗	for (in_rng = s->in_y_rng, n = 0; n < 3; n++, in_rng = s->in_uv_rng) {
668		✗	s->yuv2yuv_coeffs[m][n][0] =
669		✗	lrint(16384 * yuv2yuv[m][n] * out_rng * (1 << idepth) /
670		✗	(in_rng * (1 << odepth)));
671		✗	for (o = 1; o < 8; o++)
672		✗	s->yuv2yuv_coeffs[m][n][o] = s->yuv2yuv_coeffs[m][n][0];
673			}
674			}
675			av_assert2(s->yuv2yuv_coeffs[1][0][0] == 0);
676			av_assert2(s->yuv2yuv_coeffs[2][0][0] == 0);
677		✗	s->yuv2yuv = s->dsp.yuv2yuv[(idepth - 8) >> 1][(odepth - 8) >> 1]
678		✗	[in_desc->log2_chroma_h + in_desc->log2_chroma_w];
679			}
680			}
681
682		✗	return 0;
683			}
684
685		✗	static av_cold int init(AVFilterContext *ctx)
686			{
687		✗	ColorSpaceContext *s = ctx->priv;
688
689		✗	ff_colorspacedsp_init(&s->dsp);
690
691		✗	return 0;
692			}
693
694		✗	static void uninit(AVFilterContext *ctx)
695			{
696		✗	ColorSpaceContext *s = ctx->priv;
697
698		✗	av_freep(&s->rgb[0]);
699		✗	av_freep(&s->rgb[1]);
700		✗	av_freep(&s->rgb[2]);
701		✗	s->rgb_sz = 0;
702		✗	av_freep(&s->dither_scratch_base[0][0]);
703		✗	av_freep(&s->dither_scratch_base[0][1]);
704		✗	av_freep(&s->dither_scratch_base[1][0]);
705		✗	av_freep(&s->dither_scratch_base[1][1]);
706		✗	av_freep(&s->dither_scratch_base[2][0]);
707		✗	av_freep(&s->dither_scratch_base[2][1]);
708
709		✗	av_freep(&s->lin_lut);
710		✗	}
711
712		✗	static int filter_frame(AVFilterLink *link, AVFrame *in)
713			{
714		✗	AVFilterContext *ctx = link->dst;
715		✗	AVFilterLink *outlink = ctx->outputs[0];
716		✗	ColorSpaceContext *s = ctx->priv;
717			// FIXME if yuv2yuv_passthrough, don't get a new buffer but use the
718			// input one if it is writable *OR* the actual literal values of in_*
719			// and out_* are identical (not just their respective properties)
720		✗	AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
721			int res;
722		✗	ptrdiff_t rgb_stride = FFALIGN(in->width * sizeof(int16_t), 32);
723		✗	unsigned rgb_sz = rgb_stride * in->height;
724			ThreadData td;
725
726		✗	if (!out) {
727		✗	av_frame_free(&in);
728		✗	return AVERROR(ENOMEM);
729			}
730		✗	res = av_frame_copy_props(out, in);
731		✗	if (res < 0) {
732		✗	av_frame_free(&in);
733		✗	av_frame_free(&out);
734		✗	return res;
735			}
736
737		✗	out->color_primaries = s->user_prm == AVCOL_PRI_UNSPECIFIED ?
738		✗	default_prm[FFMIN(s->user_all, CS_NB)] : s->user_prm;
739		✗	if (s->user_trc == AVCOL_TRC_UNSPECIFIED) {
740		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
741
742		✗	out->color_trc = default_trc[FFMIN(s->user_all, CS_NB)];
743		✗	if (out->color_trc == AVCOL_TRC_BT2020_10 && desc && desc->comp[0].depth >= 12)
744		✗	out->color_trc = AVCOL_TRC_BT2020_12;
745			} else {
746		✗	out->color_trc = s->user_trc;
747			}
748		✗	out->colorspace = s->user_csp == AVCOL_SPC_UNSPECIFIED ?
749		✗	default_csp[FFMIN(s->user_all, CS_NB)] : s->user_csp;
750		✗	out->color_range = s->user_rng == AVCOL_RANGE_UNSPECIFIED ?
751		✗	in->color_range : s->user_rng;
752		✗	if (rgb_sz != s->rgb_sz) {
753		✗	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format);
754		✗	int uvw = in->width >> desc->log2_chroma_w;
755
756		✗	av_freep(&s->rgb[0]);
757		✗	av_freep(&s->rgb[1]);
758		✗	av_freep(&s->rgb[2]);
759		✗	s->rgb_sz = 0;
760		✗	av_freep(&s->dither_scratch_base[0][0]);
761		✗	av_freep(&s->dither_scratch_base[0][1]);
762		✗	av_freep(&s->dither_scratch_base[1][0]);
763		✗	av_freep(&s->dither_scratch_base[1][1]);
764		✗	av_freep(&s->dither_scratch_base[2][0]);
765		✗	av_freep(&s->dither_scratch_base[2][1]);
766
767		✗	s->rgb[0] = av_malloc(rgb_sz);
768		✗	s->rgb[1] = av_malloc(rgb_sz);
769		✗	s->rgb[2] = av_malloc(rgb_sz);
770		✗	s->dither_scratch_base[0][0] =
771		✗	av_malloc(sizeof(*s->dither_scratch_base[0][0]) * (in->width + 4));
772		✗	s->dither_scratch_base[0][1] =
773		✗	av_malloc(sizeof(*s->dither_scratch_base[0][1]) * (in->width + 4));
774		✗	s->dither_scratch_base[1][0] =
775		✗	av_malloc(sizeof(*s->dither_scratch_base[1][0]) * (uvw + 4));
776		✗	s->dither_scratch_base[1][1] =
777		✗	av_malloc(sizeof(*s->dither_scratch_base[1][1]) * (uvw + 4));
778		✗	s->dither_scratch_base[2][0] =
779		✗	av_malloc(sizeof(*s->dither_scratch_base[2][0]) * (uvw + 4));
780		✗	s->dither_scratch_base[2][1] =
781		✗	av_malloc(sizeof(*s->dither_scratch_base[2][1]) * (uvw + 4));
782		✗	s->dither_scratch[0][0] = &s->dither_scratch_base[0][0][1];
783		✗	s->dither_scratch[0][1] = &s->dither_scratch_base[0][1][1];
784		✗	s->dither_scratch[1][0] = &s->dither_scratch_base[1][0][1];
785		✗	s->dither_scratch[1][1] = &s->dither_scratch_base[1][1][1];
786		✗	s->dither_scratch[2][0] = &s->dither_scratch_base[2][0][1];
787		✗	s->dither_scratch[2][1] = &s->dither_scratch_base[2][1][1];
788		✗	if (!s->rgb[0] || !s->rgb[1] || !s->rgb[2] ||
789		✗	!s->dither_scratch_base[0][0] || !s->dither_scratch_base[0][1] ||
790		✗	!s->dither_scratch_base[1][0] || !s->dither_scratch_base[1][1] ||
791		✗	!s->dither_scratch_base[2][0] || !s->dither_scratch_base[2][1]) {
792		✗	uninit(ctx);
793		✗	av_frame_free(&in);
794		✗	av_frame_free(&out);
795		✗	return AVERROR(ENOMEM);
796			}
797		✗	s->rgb_sz = rgb_sz;
798			}
799		✗	res = create_filtergraph(ctx, in, out);
800		✗	if (res < 0) {
801		✗	av_frame_free(&in);
802		✗	av_frame_free(&out);
803		✗	return res;
804			}
805		✗	s->rgb_stride = rgb_stride / sizeof(int16_t);
806		✗	td.in = in;
807		✗	td.out = out;
808		✗	td.in_linesize[0] = in->linesize[0];
809		✗	td.in_linesize[1] = in->linesize[1];
810		✗	td.in_linesize[2] = in->linesize[2];
811		✗	td.out_linesize[0] = out->linesize[0];
812		✗	td.out_linesize[1] = out->linesize[1];
813		✗	td.out_linesize[2] = out->linesize[2];
814		✗	td.in_ss_h = av_pix_fmt_desc_get(in->format)->log2_chroma_h;
815		✗	td.out_ss_h = av_pix_fmt_desc_get(out->format)->log2_chroma_h;
816		✗	if (s->yuv2yuv_passthrough) {
817		✗	res = av_frame_copy(out, in);
818		✗	if (res < 0) {
819		✗	av_frame_free(&in);
820		✗	av_frame_free(&out);
821		✗	return res;
822			}
823			} else {
824		✗	ff_filter_execute(ctx, convert, &td, NULL,
825		✗	FFMIN((in->height + 1) >> 1, ff_filter_get_nb_threads(ctx)));
826			}
827		✗	av_frame_free(&in);
828
829		✗	return ff_filter_frame(outlink, out);
830			}
831
832		✗	static int query_formats(AVFilterContext *ctx)
833			{
834			static const enum AVPixelFormat pix_fmts[] = {
835			AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
836			AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
837			AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
838			AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
839			AV_PIX_FMT_NONE
840			};
841			int res;
842		✗	ColorSpaceContext *s = ctx->priv;
843		✗	AVFilterFormats *formats = ff_make_format_list(pix_fmts);
844
845		✗	if (!formats)
846		✗	return AVERROR(ENOMEM);
847		✗	if (s->user_format == AV_PIX_FMT_NONE)
848		✗	return ff_set_common_formats(ctx, formats);
849		✗	res = ff_formats_ref(formats, &ctx->inputs[0]->outcfg.formats);
850		✗	if (res < 0)
851		✗	return res;
852		✗	formats = NULL;
853		✗	res = ff_add_format(&formats, s->user_format);
854		✗	if (res < 0)
855		✗	return res;
856
857		✗	return ff_formats_ref(formats, &ctx->outputs[0]->incfg.formats);
858			}
859
860		✗	static int config_props(AVFilterLink *outlink)
861			{
862		✗	AVFilterContext *ctx = outlink->dst;
863		✗	AVFilterLink *inlink = outlink->src->inputs[0];
864
865		✗	if (inlink->w % 2 || inlink->h % 2) {
866		✗	av_log(ctx, AV_LOG_ERROR, "Invalid odd size (%dx%d)\n",
867			inlink->w, inlink->h);
868		✗	return AVERROR_PATCHWELCOME;
869			}
870
871		✗	outlink->w = inlink->w;
872		✗	outlink->h = inlink->h;
873		✗	outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
874		✗	outlink->time_base = inlink->time_base;
875
876		✗	return 0;
877			}
878
879			#define OFFSET(x) offsetof(ColorSpaceContext, x)
880			#define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
881			#define ENUM(x, y, z) { x, "", 0, AV_OPT_TYPE_CONST, { .i64 = y }, INT_MIN, INT_MAX, FLAGS, z }
882
883			static const AVOption colorspace_options[] = {
884			{ "all", "Set all color properties together",
885			OFFSET(user_all), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
886			CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
887			ENUM("bt470m", CS_BT470M, "all"),
888			ENUM("bt470bg", CS_BT470BG, "all"),
889			ENUM("bt601-6-525", CS_BT601_6_525, "all"),
890			ENUM("bt601-6-625", CS_BT601_6_625, "all"),
891			ENUM("bt709", CS_BT709, "all"),
892			ENUM("smpte170m", CS_SMPTE170M, "all"),
893			ENUM("smpte240m", CS_SMPTE240M, "all"),
894			ENUM("bt2020", CS_BT2020, "all"),
895
896			{ "space", "Output colorspace",
897			OFFSET(user_csp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
898			AVCOL_SPC_RGB, AVCOL_SPC_NB - 1, FLAGS, "csp"},
899			ENUM("bt709", AVCOL_SPC_BT709, "csp"),
900			ENUM("fcc", AVCOL_SPC_FCC, "csp"),
901			ENUM("bt470bg", AVCOL_SPC_BT470BG, "csp"),
902			ENUM("smpte170m", AVCOL_SPC_SMPTE170M, "csp"),
903			ENUM("smpte240m", AVCOL_SPC_SMPTE240M, "csp"),
904			ENUM("ycgco", AVCOL_SPC_YCGCO, "csp"),
905			ENUM("gbr", AVCOL_SPC_RGB, "csp"),
906			ENUM("bt2020nc", AVCOL_SPC_BT2020_NCL, "csp"),
907			ENUM("bt2020ncl", AVCOL_SPC_BT2020_NCL, "csp"),
908
909			{ "range", "Output color range",
910			OFFSET(user_rng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
911			AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
912			ENUM("tv", AVCOL_RANGE_MPEG, "rng"),
913			ENUM("mpeg", AVCOL_RANGE_MPEG, "rng"),
914			ENUM("pc", AVCOL_RANGE_JPEG, "rng"),
915			ENUM("jpeg", AVCOL_RANGE_JPEG, "rng"),
916
917			{ "primaries", "Output color primaries",
918			OFFSET(user_prm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
919			AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
920			ENUM("bt709", AVCOL_PRI_BT709, "prm"),
921			ENUM("bt470m", AVCOL_PRI_BT470M, "prm"),
922			ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"),
923			ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"),
924			ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"),
925			ENUM("smpte428", AVCOL_PRI_SMPTE428, "prm"),
926			ENUM("film", AVCOL_PRI_FILM, "prm"),
927			ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"),
928			ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"),
929			ENUM("bt2020", AVCOL_PRI_BT2020, "prm"),
930			ENUM("jedec-p22", AVCOL_PRI_JEDEC_P22, "prm"),
931			ENUM("ebu3213", AVCOL_PRI_EBU3213, "prm"),
932
933			{ "trc", "Output transfer characteristics",
934			OFFSET(user_trc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
935			AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
936			ENUM("bt709", AVCOL_TRC_BT709, "trc"),
937			ENUM("bt470m", AVCOL_TRC_GAMMA22, "trc"),
938			ENUM("gamma22", AVCOL_TRC_GAMMA22, "trc"),
939			ENUM("bt470bg", AVCOL_TRC_GAMMA28, "trc"),
940			ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
941			ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
942			ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
943			ENUM("linear", AVCOL_TRC_LINEAR, "trc"),
944			ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
945			ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
946			ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),
947			ENUM("iec61966-2-4", AVCOL_TRC_IEC61966_2_4, "trc"),
948			ENUM("bt2020-10", AVCOL_TRC_BT2020_10, "trc"),
949			ENUM("bt2020-12", AVCOL_TRC_BT2020_12, "trc"),
950
951			{ "format", "Output pixel format",
952			OFFSET(user_format), AV_OPT_TYPE_INT, { .i64 = AV_PIX_FMT_NONE },
953			AV_PIX_FMT_NONE, AV_PIX_FMT_GBRAP12LE, FLAGS, "fmt" },
954			ENUM("yuv420p", AV_PIX_FMT_YUV420P, "fmt"),
955			ENUM("yuv420p10", AV_PIX_FMT_YUV420P10, "fmt"),
956			ENUM("yuv420p12", AV_PIX_FMT_YUV420P12, "fmt"),
957			ENUM("yuv422p", AV_PIX_FMT_YUV422P, "fmt"),
958			ENUM("yuv422p10", AV_PIX_FMT_YUV422P10, "fmt"),
959			ENUM("yuv422p12", AV_PIX_FMT_YUV422P12, "fmt"),
960			ENUM("yuv444p", AV_PIX_FMT_YUV444P, "fmt"),
961			ENUM("yuv444p10", AV_PIX_FMT_YUV444P10, "fmt"),
962			ENUM("yuv444p12", AV_PIX_FMT_YUV444P12, "fmt"),
963
964			{ "fast", "Ignore primary chromaticity and gamma correction",
965			OFFSET(fast_mode), AV_OPT_TYPE_BOOL, { .i64 = 0 },
966			0, 1, FLAGS },
967
968			{ "dither", "Dithering mode",
969			OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = DITHER_NONE },
970			DITHER_NONE, DITHER_NB - 1, FLAGS, "dither" },
971			ENUM("none", DITHER_NONE, "dither"),
972			ENUM("fsb", DITHER_FSB, "dither"),
973
974			{ "wpadapt", "Whitepoint adaptation method",
975			OFFSET(wp_adapt), AV_OPT_TYPE_INT, { .i64 = WP_ADAPT_BRADFORD },
976			WP_ADAPT_BRADFORD, NB_WP_ADAPT - 1, FLAGS, "wpadapt" },
977			ENUM("bradford", WP_ADAPT_BRADFORD, "wpadapt"),
978			ENUM("vonkries", WP_ADAPT_VON_KRIES, "wpadapt"),
979			ENUM("identity", WP_ADAPT_IDENTITY, "wpadapt"),
980
981			{ "iall", "Set all input color properties together",
982			OFFSET(user_iall), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED },
983			CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" },
984			{ "ispace", "Input colorspace",
985			OFFSET(user_icsp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED },
986			AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "csp" },
987			{ "irange", "Input color range",
988			OFFSET(user_irng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
989			AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" },
990			{ "iprimaries", "Input color primaries",
991			OFFSET(user_iprm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED },
992			AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" },
993			{ "itrc", "Input transfer characteristics",
994			OFFSET(user_itrc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED },
995			AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" },
996
997			{ NULL }
998			};
999
1000			AVFILTER_DEFINE_CLASS(colorspace);
1001
1002			static const AVFilterPad inputs[] = {
1003			{
1004			.name = "default",
1005			.type = AVMEDIA_TYPE_VIDEO,
1006			.filter_frame = filter_frame,
1007			},
1008			};
1009
1010			static const AVFilterPad outputs[] = {
1011			{
1012			.name = "default",
1013			.type = AVMEDIA_TYPE_VIDEO,
1014			.config_props = config_props,
1015			},
1016			};
1017
1018			const AVFilter ff_vf_colorspace = {
1019			.name = "colorspace",
1020			.description = NULL_IF_CONFIG_SMALL("Convert between colorspaces."),
1021			.init = init,
1022			.uninit = uninit,
1023			.priv_size = sizeof(ColorSpaceContext),
1024			.priv_class = &colorspace_class,
1025			FILTER_INPUTS(inputs),
1026			FILTER_OUTPUTS(outputs),
1027			FILTER_QUERY_FUNC(query_formats),
1028			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
1029			};
1030