mirror of https://github.com/mpv-player/mpv
86 lines
2.5 KiB
C
86 lines
2.5 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"
|
|
|
|
#include "../libvo/fastmemcpy.h"
|
|
|
|
struct vf_priv_s {
|
|
mp_image_t *dmpi;
|
|
};
|
|
|
|
//===========================================================================//
|
|
|
|
static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
|
|
if(mpi->flags&MP_IMGFLAG_ACCEPT_STRIDE){
|
|
// try full DR !
|
|
vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
|
|
mpi->type, mpi->flags, mpi->width, mpi->height);
|
|
// set up mpi as a upside-down image of dmpi:
|
|
mpi->planes[0]=vf->priv->dmpi->planes[0]+
|
|
vf->priv->dmpi->stride[0]*(vf->priv->dmpi->height-1);
|
|
mpi->stride[0]=-vf->priv->dmpi->stride[0];
|
|
if(mpi->flags&MP_IMGFLAG_PLANAR){
|
|
mpi->planes[1]=vf->priv->dmpi->planes[1]+
|
|
vf->priv->dmpi->stride[1]*((vf->priv->dmpi->height>>1)-1);
|
|
mpi->stride[1]=-vf->priv->dmpi->stride[1];
|
|
mpi->planes[2]=vf->priv->dmpi->planes[2]+
|
|
vf->priv->dmpi->stride[2]*((vf->priv->dmpi->height>>1)-1);
|
|
mpi->stride[2]=-vf->priv->dmpi->stride[2];
|
|
}
|
|
mpi->flags|=MP_IMGFLAG_DIRECT;
|
|
}
|
|
}
|
|
|
|
static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
|
|
if(mpi->flags&MP_IMGFLAG_DIRECT){
|
|
vf_next_put_image(vf,vf->priv->dmpi);
|
|
return; // we've used DR, so we're ready...
|
|
}
|
|
|
|
// hope we'll get DR buffer:
|
|
vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
|
|
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
|
|
mpi->width, mpi->height);
|
|
|
|
// set up mpi as a upside-down image of dmpi:
|
|
vf->priv->dmpi->planes[0]=mpi->planes[0]+
|
|
mpi->stride[0]*(mpi->height-1);
|
|
vf->priv->dmpi->stride[0]=-mpi->stride[0];
|
|
if(vf->priv->dmpi->flags&MP_IMGFLAG_PLANAR){
|
|
vf->priv->dmpi->planes[1]=mpi->planes[1]+
|
|
mpi->stride[1]*((mpi->height>>1)-1);
|
|
vf->priv->dmpi->stride[1]=-mpi->stride[1];
|
|
vf->priv->dmpi->planes[2]=mpi->planes[2]+
|
|
mpi->stride[2]*((mpi->height>>1)-1);
|
|
vf->priv->dmpi->stride[2]=-mpi->stride[2];
|
|
}
|
|
|
|
vf_next_put_image(vf,vf->priv->dmpi);
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
static int open(vf_instance_t *vf, char* args){
|
|
vf->get_image=get_image;
|
|
vf->put_image=put_image;
|
|
vf->default_reqs=VFCAP_ACCEPT_STRIDE;
|
|
vf->priv=malloc(sizeof(struct vf_priv_s));
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_flip = {
|
|
"flip image upside-down",
|
|
"flip",
|
|
"A'rpi",
|
|
"",
|
|
open
|
|
};
|
|
|
|
//===========================================================================//
|