mirror of
https://github.com/mpv-player/mpv
synced 2024-12-14 02:45:43 +00:00
6ab0d987ad
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6061 b3059339-0415-0410-9bf9-f77b7e298cf2
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "../config.h"
|
|
#include "../mp_msg.h"
|
|
|
|
#include "mp_image.h"
|
|
#include "vf.h"
|
|
|
|
struct vf_priv_s {
|
|
int crop_w,crop_h;
|
|
int crop_x,crop_y;
|
|
};
|
|
|
|
extern int opt_screen_size_x;
|
|
extern int opt_screen_size_y;
|
|
|
|
//===========================================================================//
|
|
|
|
static int config(struct vf_instance_s* vf,
|
|
int width, int height, int d_width, int d_height,
|
|
unsigned int flags, unsigned int outfmt){
|
|
// calculate the missing parameters:
|
|
if(vf->priv->crop_w<=0 || vf->priv->crop_w>width) vf->priv->crop_w=width;
|
|
if(vf->priv->crop_h<=0 || vf->priv->crop_h>height) vf->priv->crop_h=height;
|
|
if(vf->priv->crop_x<0) vf->priv->crop_x=(width-vf->priv->crop_w)/2;
|
|
if(vf->priv->crop_y<0) vf->priv->crop_y=(height-vf->priv->crop_h)/2;
|
|
// check:
|
|
if(vf->priv->crop_w+vf->priv->crop_x>width ||
|
|
vf->priv->crop_h+vf->priv->crop_y>height){
|
|
printf("crop: bad position/width/height - cropped area is out of the original!\n");
|
|
return 0;
|
|
}
|
|
if(!opt_screen_size_x && !opt_screen_size_y){
|
|
d_width=d_width*vf->priv->crop_w/width;
|
|
d_height=d_height*vf->priv->crop_h/height;
|
|
}
|
|
return vf_next_config(vf,vf->priv->crop_w,vf->priv->crop_h,d_width,d_height,flags,outfmt);
|
|
}
|
|
|
|
static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
|
|
mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
|
|
MP_IMGTYPE_EXPORT, 0,
|
|
vf->priv->crop_w, vf->priv->crop_h);
|
|
if(mpi->flags&MP_IMGFLAG_PLANAR){
|
|
dmpi->planes[0]=mpi->planes[0]+
|
|
vf->priv->crop_y*mpi->stride[0]+vf->priv->crop_x;
|
|
dmpi->planes[1]=mpi->planes[1]+
|
|
(vf->priv->crop_y>>1)*mpi->stride[1]+(vf->priv->crop_x>>1);
|
|
dmpi->planes[2]=mpi->planes[2]+
|
|
(vf->priv->crop_y>>1)*mpi->stride[2]+(vf->priv->crop_x>>1);
|
|
dmpi->stride[1]=mpi->stride[1];
|
|
dmpi->stride[2]=mpi->stride[2];
|
|
} else {
|
|
dmpi->planes[0]=mpi->planes[0]+
|
|
vf->priv->crop_y*mpi->stride[0]+
|
|
vf->priv->crop_x*(mpi->bpp/8);
|
|
}
|
|
dmpi->stride[0]=mpi->stride[0];
|
|
dmpi->width=mpi->width;
|
|
vf_next_put_image(vf,dmpi);
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
static int open(vf_instance_t *vf, char* args){
|
|
vf->config=config;
|
|
vf->put_image=put_image;
|
|
vf->default_reqs=VFCAP_ACCEPT_STRIDE;
|
|
vf->priv=malloc(sizeof(struct vf_priv_s));
|
|
// TODO: parse args ->
|
|
vf->priv->crop_x=
|
|
vf->priv->crop_y=
|
|
vf->priv->crop_w=
|
|
vf->priv->crop_h=-1;
|
|
if(args) sscanf(args, "%d:%d:%d:%d",
|
|
&vf->priv->crop_w,
|
|
&vf->priv->crop_h,
|
|
&vf->priv->crop_x,
|
|
&vf->priv->crop_y);
|
|
printf("Crop: %d x %d, %d ; %d\n",
|
|
vf->priv->crop_w,
|
|
vf->priv->crop_h,
|
|
vf->priv->crop_x,
|
|
vf->priv->crop_y);
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_crop = {
|
|
"cropping",
|
|
"crop",
|
|
"A'rpi",
|
|
"",
|
|
open
|
|
};
|
|
|
|
//===========================================================================//
|