mirror of https://github.com/mpv-player/mpv
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can alternatively redistribute this file 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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#ifndef MPLAYER_CSPUTILS_H
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#define MPLAYER_CSPUTILS_H
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#include <stdint.h>
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#include "libavcodec/avcodec.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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enum mp_csp {
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MP_CSP_AUTO,
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MP_CSP_BT_601,
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MP_CSP_BT_709,
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MP_CSP_SMPTE_240M,
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MP_CSP_COUNT
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};
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// Any enum mp_csp value is a valid index (except MP_CSP_COUNT)
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extern char * const mp_csp_names[MP_CSP_COUNT];
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enum mp_csp_levels {
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MP_CSP_LEVELS_AUTO,
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MP_CSP_LEVELS_TV,
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MP_CSP_LEVELS_PC,
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MP_CSP_LEVELS_COUNT,
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};
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struct mp_csp_details {
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enum mp_csp format;
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enum mp_csp_levels levels_in; // encoded video
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enum mp_csp_levels levels_out; // output device
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};
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// initializer for struct mp_csp_details that contains reasonable defaults
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#define MP_CSP_DETAILS_DEFAULTS {MP_CSP_BT_601, MP_CSP_LEVELS_TV, MP_CSP_LEVELS_PC}
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struct mp_csp_params {
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struct mp_csp_details colorspace;
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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 rgamma;
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float ggamma;
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float bgamma;
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int texture_bits;
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int input_bits;
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};
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enum mp_csp_equalizer_param {
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MP_CSP_EQ_BRIGHTNESS,
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MP_CSP_EQ_CONTRAST,
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MP_CSP_EQ_HUE,
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MP_CSP_EQ_SATURATION,
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MP_CSP_EQ_GAMMA,
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MP_CSP_EQ_COUNT,
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};
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#define MP_CSP_EQ_CAPS_COLORMATRIX \
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( (1 << MP_CSP_EQ_BRIGHTNESS) \
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| (1 << MP_CSP_EQ_CONTRAST) \
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| (1 << MP_CSP_EQ_HUE) \
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| (1 << MP_CSP_EQ_SATURATION) )
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#define MP_CSP_EQ_CAPS_GAMMA (1 << MP_CSP_EQ_GAMMA)
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extern char * const mp_csp_equalizer_names[MP_CSP_EQ_COUNT];
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// Default initialization with 0 is enough, except for the capabilities field
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struct mp_csp_equalizer {
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// Bit field of capabilities. For example (1 << MP_CSP_EQ_HUE) means hue
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// support is available.
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int capabilities;
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// Value for each property is in the range [-100, 100].
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// 0 is default, meaning neutral or no change.
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int values[MP_CSP_EQ_COUNT];
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};
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void mp_csp_copy_equalizer_values(struct mp_csp_params *params,
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const struct mp_csp_equalizer *eq);
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int mp_csp_equalizer_set(struct mp_csp_equalizer *eq, const char *property,
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int value);
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int mp_csp_equalizer_get(struct mp_csp_equalizer *eq, const char *property,
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int *out_value);
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enum mp_csp avcol_spc_to_mp_csp(enum AVColorSpace colorspace);
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enum mp_csp_levels avcol_range_to_mp_csp_levels(enum AVColorRange range);
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enum mp_csp mp_csp_guess_colorspace(int width, int height);
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void mp_gen_gamma_map(unsigned char *map, int size, float gamma);
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#define ROW_R 0
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#define ROW_G 1
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#define ROW_B 2
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#define COL_Y 0
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#define COL_U 1
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#define COL_V 2
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#define COL_C 3
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void mp_get_yuv2rgb_coeffs(struct mp_csp_params *params, float yuv2rgb[3][4]);
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void mp_gen_yuv2rgb_map(struct mp_csp_params *params, uint8_t *map, int size);
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#endif /* MPLAYER_CSPUTILS_H */
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