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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* You can alternatively redistribute this file 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.
*/
#ifndef MPLAYER_CSPUTILS_H
#define MPLAYER_CSPUTILS_H
#include <stdbool.h>
#include <stdint.h>
/* NOTE: the csp and levels AUTO values are converted to specific ones
* above vf/vo level. At least vf_scale relies on all valid settings being
* nonzero at vf/vo level.
*/
enum mp_csp {
MP_CSP_AUTO,
MP_CSP_BT_601,
MP_CSP_BT_709,
MP_CSP_SMPTE_240M,
MP_CSP_RGB,
MP_CSP_XYZ,
MP_CSP_YCGCO,
MP_CSP_COUNT
};
// Any enum mp_csp value is a valid index (except MP_CSP_COUNT)
extern char * const mp_csp_names[MP_CSP_COUNT];
enum mp_csp_levels {
MP_CSP_LEVELS_AUTO,
MP_CSP_LEVELS_TV,
MP_CSP_LEVELS_PC,
MP_CSP_LEVELS_COUNT,
};
// Any enum mp_csp_levels value is a valid index (except MP_CSP_LEVELS_COUNT)
extern char * const mp_csp_levels_names[MP_CSP_LEVELS_COUNT];
struct mp_csp_details {
enum mp_csp format;
enum mp_csp_levels levels_in; // encoded video
enum mp_csp_levels levels_out; // output device
};
// initializer for struct mp_csp_details that contains reasonable defaults
#define MP_CSP_DETAILS_DEFAULTS {MP_CSP_BT_601, MP_CSP_LEVELS_TV, MP_CSP_LEVELS_PC}
struct mp_csp_params {
struct mp_csp_details colorspace;
float brightness;
float contrast;
float hue;
float saturation;
float rgamma;
float ggamma;
float bgamma;
// texture_bits/input_bits is for rescaling fixed point input to range [0,1]
int texture_bits;
int input_bits;
// for scaling integer input and output (if 0, assume range [0,1])
int int_bits_in;
int int_bits_out;
};
#define MP_CSP_PARAMS_DEFAULTS { \
.colorspace = MP_CSP_DETAILS_DEFAULTS, \
.brightness = 0, .contrast = 1, .hue = 0, .saturation = 1, \
.rgamma = 1, .ggamma = 1, .bgamma = 1, \
.texture_bits = 8, .input_bits = 8}
enum mp_chroma_location {
MP_CHROMA_AUTO,
MP_CHROMA_LEFT, // mpeg2/4, h264
MP_CHROMA_CENTER, // mpeg1, jpeg
};
enum mp_csp_equalizer_param {
MP_CSP_EQ_BRIGHTNESS,
MP_CSP_EQ_CONTRAST,
MP_CSP_EQ_HUE,
MP_CSP_EQ_SATURATION,
MP_CSP_EQ_GAMMA,
MP_CSP_EQ_COUNT,
};
#define MP_CSP_EQ_CAPS_COLORMATRIX \
( (1 << MP_CSP_EQ_BRIGHTNESS) \
| (1 << MP_CSP_EQ_CONTRAST) \
| (1 << MP_CSP_EQ_HUE) \
| (1 << MP_CSP_EQ_SATURATION) )
#define MP_CSP_EQ_CAPS_GAMMA (1 << MP_CSP_EQ_GAMMA)
extern char * const mp_csp_equalizer_names[MP_CSP_EQ_COUNT];
// Default initialization with 0 is enough, except for the capabilities field
struct mp_csp_equalizer {
// Bit field of capabilities. For example (1 << MP_CSP_EQ_HUE) means hue
// support is available.
int capabilities;
// Value for each property is in the range [-100, 100].
// 0 is default, meaning neutral or no change.
int values[MP_CSP_EQ_COUNT];
};
void mp_csp_copy_equalizer_values(struct mp_csp_params *params,
const struct mp_csp_equalizer *eq);
int mp_csp_equalizer_set(struct mp_csp_equalizer *eq, const char *property,
int value);
int mp_csp_equalizer_get(struct mp_csp_equalizer *eq, const char *property,
int *out_value);
enum mp_csp avcol_spc_to_mp_csp(int avcolorspace);
enum mp_csp_levels avcol_range_to_mp_csp_levels(int avrange);
int mp_csp_to_avcol_spc(enum mp_csp colorspace);
int mp_csp_levels_to_avcol_range(enum mp_csp_levels range);
enum mp_csp mp_csp_guess_colorspace(int width, int height);
enum mp_chroma_location avchroma_location_to_mp(int avloc);
int mp_chroma_location_to_av(enum mp_chroma_location mploc);
void mp_get_chroma_location(enum mp_chroma_location loc, int *x, int *y);
void mp_gen_gamma_map(unsigned char *map, int size, float gamma);
#define ROW_R 0
#define ROW_G 1
#define ROW_B 2
#define COL_Y 0
#define COL_U 1
#define COL_V 2
#define COL_C 3
void mp_get_yuv2rgb_coeffs(struct mp_csp_params *params, float yuv2rgb[3][4]);
void mp_gen_yuv2rgb_map(struct mp_csp_params *params, uint8_t *map, int size);
void mp_invert_yuv2rgb(float out[3][4], float in[3][4]);
void mp_map_int_color(float matrix[3][4], int clip_bits, int c[3]);
#endif /* MPLAYER_CSPUTILS_H */
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