mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
33b62af947
Syntax is we decided, so you can give the nomes or not with both vop and vf. vf take precedence over vop. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
141 lines
3.1 KiB
C
141 lines
3.1 KiB
C
#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"
|
|
|
|
#include "../libvo/fastmemcpy.h"
|
|
#include "../postproc/rgb2rgb.h"
|
|
|
|
struct vf_priv_s {
|
|
int x1,y1,x2,y2;
|
|
int limit;
|
|
int fno;
|
|
};
|
|
|
|
static int checkline(unsigned char* src,int stride,int len,int bpp){
|
|
int total=0;
|
|
int div=len;
|
|
switch(bpp){
|
|
case 1:
|
|
while(--len>=0){
|
|
total+=src[0]; src+=stride;
|
|
}
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
while(--len>=0){
|
|
total+=src[0]+src[1]+src[2]; src+=stride;
|
|
}
|
|
div*=3;
|
|
break;
|
|
}
|
|
total/=div;
|
|
// printf("total=%d\n",total);
|
|
return total;
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
static int config(struct vf_instance_s* vf,
|
|
int width, int height, int d_width, int d_height,
|
|
unsigned int flags, unsigned int outfmt){
|
|
vf->priv->x1=width;
|
|
vf->priv->y1=height;
|
|
vf->priv->x2=0;
|
|
vf->priv->y2=0;
|
|
vf->priv->fno=0;
|
|
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
|
|
}
|
|
|
|
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
|
|
mp_image_t *dmpi;
|
|
int bpp=mpi->bpp/8;
|
|
int x,y;
|
|
|
|
// hope we'll get DR buffer:
|
|
dmpi=vf_get_image(vf->next,mpi->imgfmt,
|
|
MP_IMGTYPE_EXPORT, 0,
|
|
mpi->w, mpi->h);
|
|
|
|
dmpi->planes[0]=mpi->planes[0];
|
|
dmpi->planes[1]=mpi->planes[1];
|
|
dmpi->planes[2]=mpi->planes[2];
|
|
dmpi->stride[0]=mpi->stride[0];
|
|
dmpi->stride[1]=mpi->stride[1];
|
|
dmpi->stride[2]=mpi->stride[2];
|
|
dmpi->width=mpi->width;
|
|
dmpi->height=mpi->height;
|
|
|
|
if(++vf->priv->fno>2){ // ignore first 2 frames - they may be empty
|
|
|
|
for(y=0;y<vf->priv->y1;y++){
|
|
if(checkline(mpi->planes[0]+mpi->stride[0]*y,bpp,mpi->w,bpp)>vf->priv->limit){
|
|
vf->priv->y1=y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(y=mpi->h-1;y>vf->priv->y2;y--){
|
|
if(checkline(mpi->planes[0]+mpi->stride[0]*y,bpp,mpi->w,bpp)>vf->priv->limit){
|
|
vf->priv->y2=y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(y=0;y<vf->priv->x1;y++){
|
|
if(checkline(mpi->planes[0]+bpp*y,mpi->stride[0],mpi->h,bpp)>vf->priv->limit){
|
|
vf->priv->x1=y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(y=mpi->w-1;y>vf->priv->x2;y--){
|
|
if(checkline(mpi->planes[0]+bpp*y,mpi->stride[0],mpi->h,bpp)>vf->priv->limit){
|
|
vf->priv->x2=y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
x=(vf->priv->x1+1)&(~1);
|
|
y=(vf->priv->y1+1)&(~1);
|
|
|
|
printf("crop area: X: %d..%d Y: %d..%d (-vop crop=%d:%d:%d:%d)\n",
|
|
vf->priv->x1,vf->priv->x2,
|
|
vf->priv->y1,vf->priv->y2,
|
|
(vf->priv->x2+1-x)&(~1),(vf->priv->y2+1-y)&(~1),x,y
|
|
);
|
|
|
|
}
|
|
|
|
return vf_next_put_image(vf,dmpi);
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
static int open(vf_instance_t *vf, char* args){
|
|
vf->config=config;
|
|
vf->put_image=put_image;
|
|
vf->priv=malloc(sizeof(struct vf_priv_s));
|
|
vf->priv->limit=24; // should be option
|
|
if(args) vf->priv->limit=atoi(args);
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_cropdetect = {
|
|
"autodetect crop size",
|
|
"cropdetect",
|
|
"A'rpi",
|
|
"",
|
|
open,
|
|
NULL
|
|
};
|
|
|
|
//===========================================================================//
|