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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it 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.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MP_GL_VIDEO_H
#define MP_GL_VIDEO_H
#include <stdbool.h>
#include "options/m_option.h"
#include "sub/osd.h"
#include "common.h"
#include "utils.h"
#include "lcms.h"
#include "video/out/filter_kernels.h"
// Texture units 0-5 are used by the video, and for free use by the passes
#define TEXUNIT_VIDEO_NUM 6
// Other texture units are reserved for specific purposes
#define TEXUNIT_SCALERS TEXUNIT_VIDEO_NUM
#define TEXUNIT_3DLUT (TEXUNIT_SCALERS+SCALER_COUNT)
#define TEXUNIT_DITHER (TEXUNIT_3DLUT+1)
struct lut3d {
uint16_t *data;
int size[3];
};
struct scaler_fun {
char *name;
float params[2];
float blur;
};
struct scaler_config {
struct scaler_fun kernel;
struct scaler_fun window;
float radius;
float antiring;
int clamp;
};
struct scaler {
int index;
struct scaler_config conf;
double scale_factor;
bool initialized;
struct filter_kernel *kernel;
GLuint gl_lut;
GLenum gl_target;
struct fbotex sep_fbo;
bool insufficient;
int lut_size;
// kernel points here
struct filter_kernel kernel_storage;
};
enum scaler_unit {
SCALER_SCALE, // luma/video
SCALER_DSCALE, // luma-video downscaling
SCALER_CSCALE, // chroma upscaling
SCALER_TSCALE, // temporal scaling (interpolation)
SCALER_COUNT
};
struct gl_video_opts {
int dumb_mode;
struct scaler_config scaler[4];
int scaler_lut_size;
float gamma;
int gamma_auto;
int target_prim;
int target_trc;
int linear_scaling;
int correct_downscaling;
int sigmoid_upscaling;
float sigmoid_center;
float sigmoid_slope;
int scaler_resizes_only;
int pbo;
int dither_depth;
int dither_algo;
int dither_size;
int temporal_dither;
int temporal_dither_period;
int fbo_format;
int alpha_mode;
int use_rectangle;
struct m_color background;
int interpolation;
float interpolation_threshold;
int blend_subs;
char *scale_shader;
char **pre_shaders;
char **post_shaders;
char **user_shaders;
int deband;
struct deband_opts *deband_opts;
float unsharp;
int prescale_luma;
int prescale_passes;
float prescale_downscaling_threshold;
struct superxbr_opts *superxbr_opts;
struct nnedi3_opts *nnedi3_opts;
};
extern const struct m_sub_options gl_video_conf;
extern const struct gl_video_opts gl_video_opts_hq_def;
extern const struct gl_video_opts gl_video_opts_def;
struct gl_video;
struct vo_frame;
struct gl_video *gl_video_init(GL *gl, struct mp_log *log, struct mpv_global *g,
struct gl_lcms *cms);
void gl_video_uninit(struct gl_video *p);
void gl_video_set_osd_source(struct gl_video *p, struct osd_state *osd);
void gl_video_set_options(struct gl_video *p, struct gl_video_opts *opts);
bool gl_video_check_format(struct gl_video *p, int mp_format);
void gl_video_config(struct gl_video *p, struct mp_image_params *params);
void gl_video_set_output_depth(struct gl_video *p, int r, int g, int b);
void gl_video_update_profile(struct gl_video *p);
void gl_video_render_frame(struct gl_video *p, struct vo_frame *frame, int fbo);
void gl_video_resize(struct gl_video *p, int vp_w, int vp_h,
struct mp_rect *src, struct mp_rect *dst,
struct mp_osd_res *osd);
struct mp_csp_equalizer;
struct mp_csp_equalizer *gl_video_eq_ptr(struct gl_video *p);
void gl_video_eq_update(struct gl_video *p);
void gl_video_set_debug(struct gl_video *p, bool enable);
float gl_video_scale_ambient_lux(float lmin, float lmax,
float rmin, float rmax, float lux);
void gl_video_set_ambient_lux(struct gl_video *p, int lux);
void gl_video_set_gl_state(struct gl_video *p);
void gl_video_unset_gl_state(struct gl_video *p);
void gl_video_reset(struct gl_video *p);
bool gl_video_showing_interpolated_frame(struct gl_video *p);
struct gl_hwdec;
void gl_video_set_hwdec(struct gl_video *p, struct gl_hwdec *hwdec);
struct vo;
void gl_video_configure_queue(struct gl_video *p, struct vo *vo);
#endif
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