mirror of https://git.videolan.org/git/ffmpeg.git
42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/*
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* Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_COLORSPACE_H
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#define AVFILTER_COLORSPACE_H
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#include "libavutil/csp.h"
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#include "libavutil/frame.h"
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#include "libavutil/pixfmt.h"
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#define REFERENCE_WHITE 100.0f
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void ff_matrix_invert_3x3(const double in[3][3], double out[3][3]);
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void ff_matrix_mul_3x3(double dst[3][3],
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const double src1[3][3], const double src2[3][3]);
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void ff_matrix_mul_3x3_vec(double dst[3], const double vec[3], const double mat[3][3]);
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void ff_fill_rgb2xyz_table(const AVPrimaryCoefficients *coeffs,
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const AVWhitepointCoefficients *wp,
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double rgb2xyz[3][3]);
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void ff_fill_rgb2yuv_table(const AVLumaCoefficients *coeffs,
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double rgb2yuv[3][3]);
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double ff_determine_signal_peak(AVFrame *in);
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void ff_update_hdr_metadata(AVFrame *in, double peak);
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#endif
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