1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#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 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){
int scaled_y=vf->priv->aspect*d_height/d_width;
d_width=width; // do X-scaling by hardware
d_height=scaled_y;
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->default_caps=0;
vf->priv=malloc(sizeof(struct vf_priv_s));
vf->priv->aspect=768;
if(args) vf->priv->aspect=atoi(args);
return 1;
}
const vf_info_t vf_info_dvbscale = {
"calc Y scaling for DVB card",
"dvbscale",
"A'rpi",
"",
open,
NULL
};
//===========================================================================//
|
