2018-06-19 01:57:31 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
|
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
* Lesser General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef AVFILTER_COLORSPACE_H
|
|
|
|
#define AVFILTER_COLORSPACE_H
|
|
|
|
|
2018-07-25 14:44:50 +00:00
|
|
|
#include "libavutil/frame.h"
|
2021-08-01 06:36:09 +00:00
|
|
|
#include "libavutil/pixfmt.h"
|
2018-07-25 14:44:50 +00:00
|
|
|
|
|
|
|
#define REFERENCE_WHITE 100.0f
|
2018-06-19 01:57:31 +00:00
|
|
|
|
|
|
|
struct LumaCoefficients {
|
|
|
|
double cr, cg, cb;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct PrimaryCoefficients {
|
|
|
|
double xr, yr, xg, yg, xb, yb;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct WhitepointCoefficients {
|
|
|
|
double xw, yw;
|
|
|
|
};
|
|
|
|
|
2022-04-09 16:40:59 +00:00
|
|
|
struct ColorPrimaries {
|
|
|
|
struct WhitepointCoefficients wp;
|
|
|
|
struct PrimaryCoefficients prim;
|
|
|
|
};
|
|
|
|
|
2018-06-23 16:51:14 +00:00
|
|
|
void ff_matrix_invert_3x3(const double in[3][3], double out[3][3]);
|
|
|
|
void ff_matrix_mul_3x3(double dst[3][3],
|
|
|
|
const double src1[3][3], const double src2[3][3]);
|
|
|
|
void ff_fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
|
|
|
|
const struct WhitepointCoefficients *wp,
|
|
|
|
double rgb2xyz[3][3]);
|
2018-07-25 14:44:50 +00:00
|
|
|
|
2022-04-10 23:25:26 +00:00
|
|
|
/* Returns AVCOL_PRI_UNSPECIFIED if no clear match can be identified */
|
|
|
|
enum AVColorPrimaries ff_detect_color_primaries(const struct ColorPrimaries *prm);
|
|
|
|
|
2022-04-09 16:40:59 +00:00
|
|
|
const struct ColorPrimaries *ff_get_color_primaries(enum AVColorPrimaries prm);
|
2019-01-22 06:27:01 +00:00
|
|
|
const struct LumaCoefficients *ff_get_luma_coefficients(enum AVColorSpace csp);
|
|
|
|
void ff_fill_rgb2yuv_table(const struct LumaCoefficients *coeffs,
|
|
|
|
double rgb2yuv[3][3]);
|
|
|
|
|
2018-07-25 14:44:50 +00:00
|
|
|
double ff_determine_signal_peak(AVFrame *in);
|
2018-07-25 15:02:45 +00:00
|
|
|
void ff_update_hdr_metadata(AVFrame *in, double peak);
|
2018-07-25 14:44:50 +00:00
|
|
|
|
2018-06-19 01:57:31 +00:00
|
|
|
#endif
|