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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "../config.h"
#include "../mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
struct vf_priv_s {
int w, h;
float aspect;
};
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
if (vf->priv->w && vf->priv->h) {
d_width = vf->priv->w;
d_height = vf->priv->h;
} else {
if (vf->priv->aspect * height > width) {
d_width = height * vf->priv->aspect;
d_height = height;
} else {
d_height = width / vf->priv->aspect;
d_width = width;
}
}
return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
}
static int open(vf_instance_t *vf, char* args)
{
vf->config = config;
vf->draw_slice = vf_next_draw_slice;
//vf->default_caps = 0;
vf->priv = calloc(sizeof(struct vf_priv_s), 1);
vf->priv->aspect = 4.0/3.0;
if (args) {
if (strchr(args, '/')) {
int w, h;
sscanf(args, "%d/%d", &w, &h);
vf->priv->aspect = (float)w/h;
} else if (strchr(args, '.')) {
sscanf(args, "%f", &vf->priv->aspect);
} else {
sscanf(args, "%d:%d", &vf->priv->w, &vf->priv->h);
}
}
return 1;
}
vf_info_t vf_info_dsize = {
"reset displaysize/aspect",
"dsize",
"Rich Felker",
"",
open,
NULL
};
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