mirror of https://github.com/mpv-player/mpv.git
129 lines
4.7 KiB
C
129 lines
4.7 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 MPLAYER_CSPUTILS_H
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#define MPLAYER_CSPUTILS_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <libplacebo/colorspace.h>
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#include "options/m_option.h"
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/* NOTE: the csp and levels AUTO values are converted to specific ones
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* above vf/vo level. At least vf_scale relies on all valid settings being
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* nonzero at vf/vo level.
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*/
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extern const struct m_opt_choice_alternatives pl_csp_names[];
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extern const struct m_opt_choice_alternatives pl_csp_levels_names[];
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extern const struct m_opt_choice_alternatives pl_csp_prim_names[];
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extern const struct m_opt_choice_alternatives pl_csp_trc_names[];
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enum mp_csp_light {
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MP_CSP_LIGHT_AUTO,
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MP_CSP_LIGHT_DISPLAY,
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MP_CSP_LIGHT_SCENE_HLG,
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MP_CSP_LIGHT_SCENE_709_1886,
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MP_CSP_LIGHT_SCENE_1_2,
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MP_CSP_LIGHT_COUNT
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};
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extern const struct m_opt_choice_alternatives mp_csp_light_names[];
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// The numeric values (except -1) match the Matroska StereoMode element value.
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enum mp_stereo3d_mode {
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MP_STEREO3D_INVALID = -1,
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/* only modes explicitly referenced in the code are listed */
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MP_STEREO3D_MONO = 0,
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MP_STEREO3D_SBS2L = 1,
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MP_STEREO3D_AB2R = 2,
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MP_STEREO3D_AB2L = 3,
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MP_STEREO3D_SBS2R = 11,
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/* no explicit enum entries for most valid values */
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MP_STEREO3D_COUNT = 15, // 14 is last valid mode
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};
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extern const struct m_opt_choice_alternatives mp_stereo3d_names[];
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#define MP_STEREO3D_NAME(x) m_opt_choice_str(mp_stereo3d_names, x)
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#define MP_STEREO3D_NAME_DEF(x, def) \
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(MP_STEREO3D_NAME(x) ? MP_STEREO3D_NAME(x) : (def))
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// For many colorspace conversions, in particular those involving HDR, an
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// implicit reference white level is needed. Since this magic constant shows up
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// a lot, give it an explicit name. The value of 203 cd/m² comes from ITU-R
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// Report BT.2408, and the value for HLG comes from the cited HLG 75% level
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// (transferred to scene space).
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#define MP_REF_WHITE 203.0
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#define MP_REF_WHITE_HLG 3.17955
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struct mp_csp_params {
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struct pl_color_repr repr;
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struct pl_color_space color;
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enum pl_color_levels levels_out; // output device
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float brightness;
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float contrast;
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float hue;
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float saturation;
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float gamma;
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// discard U/V components
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bool gray;
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// input is already centered and range-expanded
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bool is_float;
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// texture_bits/input_bits is for rescaling fixed point input to range [0,1]
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int texture_bits;
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int input_bits;
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};
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#define MP_CSP_PARAMS_DEFAULTS { \
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.repr = pl_color_repr_sdtv, \
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.levels_out = PL_COLOR_LEVELS_FULL, \
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.brightness = 0, .contrast = 1, .hue = 0, .saturation = 1, \
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.gamma = 1, .texture_bits = 8, .input_bits = 8}
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struct mp_image_params;
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void mp_csp_set_image_params(struct mp_csp_params *params,
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const struct mp_image_params *imgparams);
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extern const struct m_opt_choice_alternatives pl_chroma_names[];
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extern const struct m_opt_choice_alternatives pl_alpha_names[];
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extern const struct m_sub_options mp_csp_equalizer_conf;
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struct mpv_global;
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struct mp_csp_equalizer_state *mp_csp_equalizer_create(void *ta_parent,
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struct mpv_global *global);
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bool mp_csp_equalizer_state_changed(struct mp_csp_equalizer_state *state);
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void mp_csp_equalizer_state_get(struct mp_csp_equalizer_state *state,
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struct mp_csp_params *params);
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enum pl_color_system mp_csp_guess_colorspace(int width, int height);
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enum pl_color_primaries mp_csp_guess_primaries(int width, int height);
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double mp_get_csp_mul(enum pl_color_system csp, int input_bits, int texture_bits);
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void mp_get_csp_uint_mul(enum pl_color_system csp, enum pl_color_levels levels,
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int bits, int component, double *out_m, double *out_o);
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void mp_get_csp_matrix(struct mp_csp_params *params, struct pl_transform3x3 *out);
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void mp_map_fixp_color(struct pl_transform3x3 *matrix, int ibits, int in[3],
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int obits, int out[3]);
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#endif /* MPLAYER_CSPUTILS_H */
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