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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 "../postproc/rgb2rgb.h"
//===========================================================================//
static unsigned int bgr_list[]={
IMGFMT_BGR32,
IMGFMT_BGR24,
IMGFMT_BGR16,
IMGFMT_BGR15,
NULL
};
static unsigned int rgb_list[]={
IMGFMT_RGB32,
IMGFMT_RGB24,
IMGFMT_RGB16,
IMGFMT_RGB15,
NULL
};
static unsigned int find_best(struct vf_instance_s* vf, unsigned int fmt){
unsigned int best=0;
int ret;
unsigned int* p;
if(fmt==IMGFMT_BGR8) p=bgr_list;
else if(fmt==IMGFMT_RGB8) p=rgb_list;
else return 0;
while(*p){
ret=vf->next->query_format(vf->next,*p);
mp_msg(MSGT_VFILTER,MSGL_V,"[%s] query(%s) -> %d\n",vf->info->name,vo_format_name(*p),ret&3);
if(ret&2){ best=*p; break;} // no conversion -> bingo!
if(ret&1 && !best) best=*p; // best with conversion
++p;
}
return best;
}
//===========================================================================//
struct vf_priv_s {
unsigned int fmt;
};
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=find_best(vf,outfmt);
if(!vf->priv->fmt){
// no matching fmt, so force one...
if(outfmt==IMGFMT_RGB8) vf->priv->fmt=IMGFMT_RGB32;
else if(outfmt==IMGFMT_BGR8) vf->priv->fmt=IMGFMT_BGR32;
else return 0;
}
return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
}
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,vf->priv->fmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w, mpi->h);
if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
// no stride conversion needed
switch(dmpi->imgfmt&255){
case 15:
palette8torgb15(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 16:
palette8torgb16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 24:
palette8torgb24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 32:
palette8torgb32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
}
} else {
int y;
for(y=0;y<mpi->h;y++){
unsigned char* src=mpi->planes[0]+y*mpi->stride[0];
unsigned char* dst=dmpi->planes[0]+y*dmpi->stride[0];
switch(dmpi->imgfmt&255){
case 15:
palette8torgb15(src,dst,mpi->w,mpi->planes[1]);break;
case 16:
palette8torgb16(src,dst,mpi->w,mpi->planes[1]);break;
case 24:
palette8torgb24(src,dst,mpi->w,mpi->planes[1]);break;
case 32:
palette8torgb32(src,dst,mpi->w,mpi->planes[1]);break;
}
}
}
vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
int best=find_best(vf,fmt);
if(!best) return 0; // no match
return vf->next->query_format(vf->next,best);
}
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));
return 1;
}
vf_info_t vf_info_palette = {
"8bpp indexed (using palette) -> BGR 15/16/24/32 conversion",
"palette",
"A'rpi",
"",
open
};
//===========================================================================//
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