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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"
//===========================================================================//
struct vf_priv_s {
unsigned int fmt;
int forced;
};
static unsigned int getfmt(unsigned int outfmt,int forced){
if(forced) switch(outfmt){
case IMGFMT_RGB24:
case IMGFMT_RGB32:
case IMGFMT_BGR24:
case IMGFMT_BGR32:
return outfmt;
}
switch(outfmt){
case IMGFMT_RGB24: return IMGFMT_BGR24;
case IMGFMT_RGB32: return IMGFMT_BGR32;
case IMGFMT_BGR24: return IMGFMT_RGB24;
case IMGFMT_BGR32: return IMGFMT_RGB32;
}
return 0;
}
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->fmt=getfmt(outfmt,vf->priv->forced);
return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
}
static int 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,vf->priv->fmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w, mpi->h);
if(mpi->stride[0]!=dmpi->stride[0] || mpi->stride[0]!=mpi->w*(mpi->bpp/8)){
int y;
unsigned char* src=mpi->planes[0];
unsigned char* dst=dmpi->planes[0];
int srcsize=mpi->w*mpi->bpp/8;
for(y=0;y<mpi->h;y++){
if(mpi->bpp==32)
rgb32tobgr32(src,dst,srcsize);
else
rgb24tobgr24(src,dst,srcsize);
src+=mpi->stride[0];
dst+=dmpi->stride[0];
}
} else {
if(mpi->bpp==32)
rgb32tobgr32(mpi->planes[0],dmpi->planes[0],mpi->w*mpi->h*4);
else
rgb24tobgr24(mpi->planes[0],dmpi->planes[0],mpi->w*mpi->h*3);
}
return vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int outfmt){
unsigned int fmt=getfmt(outfmt,vf->priv->forced);
if(!fmt) return 0;
return vf_next_query_format(vf,fmt) & (~VFCAP_CSP_SUPPORTED_BY_HW);
}
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
vf->priv=malloc(sizeof(struct vf_priv_s));
vf->priv->forced=args && !strcasecmp(args,"swap");
return 1;
}
vf_info_t vf_info_rgb2bgr = {
"fast 24/32bpp RGB<->BGR conversion",
"rgb2bgr",
"A'rpi",
"",
open,
NULL
};
//===========================================================================//
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