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mpv/libmpcodecs/vf_yvu9.c
albeu 33b62af947 Add the new -vf option wich is the same as vop in reverse order.
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
2003-03-15 18:01:02 +00:00

89 lines
2.2 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"
//===========================================================================//
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_next_query_format(vf,IMGFMT_YV12)<=0){
printf("yv12 not supported by next filter/vo :(\n");
return 0;
}
return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi;
int y,w,h;
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next,IMGFMT_YV12,
MP_IMGTYPE_TEMP, 0/*MP_IMGFLAG_ACCEPT_STRIDE*/,
mpi->w, mpi->h);
for(y=0;y<mpi->h;y++)
memcpy(dmpi->planes[0]+dmpi->stride[0]*y,
mpi->planes[0]+mpi->stride[0]*y,
mpi->w);
w=mpi->w/4; h=mpi->h/2;
for(y=0;y<h;y++){
unsigned char* s=mpi->planes[1]+mpi->stride[1]*(y>>1);
unsigned char* d=dmpi->planes[1]+dmpi->stride[1]*y;
int x;
for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
}
for(y=0;y<h;y++){
unsigned char* s=mpi->planes[2]+mpi->stride[2]*(y>>1);
unsigned char* d=dmpi->planes[2]+dmpi->stride[2]*y;
int x;
for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
}
dmpi->qscale=mpi->qscale;
dmpi->qstride=mpi->qstride;
return vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
if (fmt == IMGFMT_YVU9 || fmt == IMGFMT_IF09)
return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
return 0;
}
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
return 1;
}
vf_info_t vf_info_yvu9 = {
"fast YVU9->YV12 conversion",
"yvu9",
"alex",
"",
open,
NULL
};
//===========================================================================//