mirror of https://github.com/mpv-player/mpv
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2009 Loren Merritt <lorenm@u.washignton.edu>
|
|
*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv 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.
|
|
*
|
|
* 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
#include <math.h>
|
|
|
|
#include "vf.h"
|
|
|
|
#include "common/common.h"
|
|
#include "options/m_option.h"
|
|
|
|
#include "vf_lavfi.h"
|
|
|
|
struct vf_priv_s {
|
|
float cfg_thresh;
|
|
int cfg_radius;
|
|
float cfg_size;
|
|
int radius;
|
|
|
|
struct vf_lw_opts *lw_opts;
|
|
} const vf_priv_dflt = {
|
|
.cfg_thresh = 1.5,
|
|
.cfg_radius = -1,
|
|
.cfg_size = -1,
|
|
};
|
|
|
|
static int lavfi_reconfig(struct vf_instance *vf,
|
|
struct mp_image_params *in,
|
|
struct mp_image_params *out)
|
|
{
|
|
struct vf_priv_s *p = vf_lw_old_priv(vf);
|
|
int w = in->w;
|
|
int h = in->h;
|
|
p->radius = p->cfg_radius;
|
|
if (p->cfg_size > -1)
|
|
p->radius = (p->cfg_size / 100.0f) * sqrtf(w * w + h * h);
|
|
p->radius = MPCLAMP((p->radius+1)&~1, 4, 32);
|
|
vf_lw_update_graph(vf, "gradfun", "%f:%d", p->cfg_thresh, p->radius);
|
|
return 0;
|
|
}
|
|
|
|
static int vf_open(vf_instance_t *vf)
|
|
{
|
|
bool have_radius = vf->priv->cfg_radius > -1;
|
|
bool have_size = vf->priv->cfg_size > -1;
|
|
|
|
if (have_radius && have_size) {
|
|
MP_ERR(vf, "scale: gradfun: only one of "
|
|
"radius/size parameters allowed at the same time!\n");
|
|
return 0;
|
|
}
|
|
|
|
if (!have_radius && !have_size)
|
|
vf->priv->cfg_size = 1.0;
|
|
|
|
if (vf_lw_set_graph(vf, vf->priv->lw_opts, "gradfun", "%f:4",
|
|
vf->priv->cfg_thresh) >= 0)
|
|
{
|
|
vf_lw_set_reconfig_cb(vf, lavfi_reconfig);
|
|
return 1;
|
|
}
|
|
|
|
MP_FATAL(vf, "This version of libavfilter has no 'gradfun' filter.\n");
|
|
return 0;
|
|
}
|
|
|
|
#define OPT_BASE_STRUCT struct vf_priv_s
|
|
static const m_option_t vf_opts_fields[] = {
|
|
OPT_FLOATRANGE("strength", cfg_thresh, 0, 0.51, 255),
|
|
OPT_INTRANGE("radius", cfg_radius, 0, 4, 32),
|
|
OPT_FLOATRANGE("size", cfg_size, 0, 0.1, 5.0),
|
|
OPT_SUBSTRUCT("", lw_opts, vf_lw_conf, 0),
|
|
{0}
|
|
};
|
|
|
|
const vf_info_t vf_info_gradfun = {
|
|
.description = "gradient deband",
|
|
.name = "gradfun",
|
|
.open = vf_open,
|
|
.priv_size = sizeof(struct vf_priv_s),
|
|
.priv_defaults = &vf_priv_dflt,
|
|
.options = vf_opts_fields,
|
|
};
|