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https://github.com/mpv-player/mpv
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923e3c7b20
This involves multiple changes: 1. Brightness metadata is split into nominal peak and signal peak. For a quick and dirty explanation: nominal peak is the brightest value that your color space can represent (i.e. the brightness of an encoded 1.0), and signal peak is the brightest value that actually occurs in the video (i.e. the brightest thing that's displayed). 2. vo_opengl uses a new decision logic to figure out the right nom_peak and sig_peak for all situations. It also does a better job of picking the right target gamut/colorspace to use for the OSD. (Which still is and still should be treated as sRGB). This change in logic also fixes #3293 en passant. 3. Since it was growing rapidly, the logic for auto-guessing / inferring the right colorimetry configuration (in pass_colormanage) was split from the logic for actually performing the adaptation (now pass_color_map). Right now, the new logic doesn't do a whole lot since HDR metadata is still ignored (but not for long).
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv 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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* mpv 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
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* GNU 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 mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MP_GL_VIDEO_SHADERS_H
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#define MP_GL_VIDEO_SHADERS_H
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#include <libavutil/lfg.h>
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#include "common.h"
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#include "utils.h"
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#include "video.h"
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extern const struct deband_opts deband_opts_def;
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extern const struct m_sub_options deband_conf;
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void sampler_prelude(struct gl_shader_cache *sc, int tex_num);
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void pass_sample_separated_gen(struct gl_shader_cache *sc, struct scaler *scaler,
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int d_x, int d_y);
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void pass_sample_polar(struct gl_shader_cache *sc, struct scaler *scaler);
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void pass_sample_bicubic_fast(struct gl_shader_cache *sc);
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void pass_sample_oversample(struct gl_shader_cache *sc, struct scaler *scaler,
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int w, int h);
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void pass_linearize(struct gl_shader_cache *sc, enum mp_csp_trc trc);
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void pass_delinearize(struct gl_shader_cache *sc, enum mp_csp_trc trc);
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void pass_color_map(struct gl_shader_cache *sc,
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struct mp_colorspace src, struct mp_colorspace dst,
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enum tone_mapping algo, float tone_mapping_param);
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void pass_sample_deband(struct gl_shader_cache *sc, struct deband_opts *opts,
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AVLFG *lfg);
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void pass_sample_unsharp(struct gl_shader_cache *sc, float param);
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#endif
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