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yvu9toyv12 converter 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6486 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-06-21 17:37:30 +00:00
parent b9cda21184
commit 8f91153011
1 changed files with 71 additions and 0 deletions
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libmpcodecs/vf_yvu9.c Normal file
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#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 void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi;
// 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);
yvu9toyv12(mpi->planes[0],mpi->planes[1],mpi->planes[2],
dmpi->planes[0], dmpi->planes[1], dmpi->planes[2], mpi->w, mpi->h,
dmpi->stride[0], dmpi->stride[1]);
dmpi->qscale=mpi->qscale;
dmpi->qstride=mpi->qstride;
vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
if (fmt == IMGFMT_YVU9)
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
};
//===========================================================================//