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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"
//===========================================================================//
static const unsigned int bgr_list[]={
IMGFMT_Y800,
IMGFMT_Y8,
IMGFMT_BGR8,
IMGFMT_RGB8,
IMGFMT_YVU9,
IMGFMT_411P,
IMGFMT_YV12,
IMGFMT_I420,
IMGFMT_IYUV,
IMGFMT_422P,
IMGFMT_444P,
IMGFMT_YUY2,
IMGFMT_BGR15,
IMGFMT_RGB15,
IMGFMT_BGR16,
IMGFMT_RGB16,
IMGFMT_BGR32,
IMGFMT_RGB32,
// IMGFMT_BGR24,
// IMGFMT_RGB24,
0
};
static unsigned int find_best(struct vf_instance_s* vf){
unsigned int best=0;
int ret;
const unsigned int* p=bgr_list;
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&VFCAP_CSP_SUPPORTED_BY_HW){ best=*p; break;} // no conversion -> bingo!
if(ret&VFCAP_CSP_SUPPORTED && !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){
if (!vf->priv->fmt)
vf->priv->fmt=find_best(vf);
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 const int bittab[8]={128,64,32,16,8,4,2,1};
static void convert(mp_image_t *mpi, mp_image_t *dmpi, int value0, int value1,int bpp){
int y;
for(y=0;y<mpi->h;y++){
unsigned char* src=mpi->planes[0]+mpi->stride[0]*y;
switch(bpp){
case 1: {
unsigned char* dst=dmpi->planes[0]+dmpi->stride[0]*y;
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
case 2: {
uint16_t* dst=(uint16_t*)(dmpi->planes[0]+dmpi->stride[0]*y);
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
case 4: {
uint32_t* dst=(uint32_t*)(dmpi->planes[0]+dmpi->stride[0]*y);
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
}
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
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);
switch(dmpi->imgfmt){
case IMGFMT_Y800:
case IMGFMT_Y8:
case IMGFMT_BGR8:
case IMGFMT_RGB8:
convert(mpi,dmpi,0,255,1);
break;
case IMGFMT_YVU9:
case IMGFMT_411P:
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_422P:
case IMGFMT_444P:
convert(mpi,dmpi,0,255,1);
memset(dmpi->planes[1],128,dmpi->stride[1]*dmpi->chroma_height);
memset(dmpi->planes[2],128,dmpi->stride[2]*dmpi->chroma_height);
break;
case IMGFMT_YUY2:
convert(mpi,dmpi,0x8000,0x80ff,2);
break;
case IMGFMT_BGR15:
case IMGFMT_RGB15:
convert(mpi,dmpi,0,0x7fff,2);
break;
case IMGFMT_BGR16:
case IMGFMT_RGB16:
convert(mpi,dmpi,0,0xffff,2);
break;
case IMGFMT_BGR32:
case IMGFMT_RGB32:
convert(mpi,dmpi,0,0x00ffffff,4);
break;
default:
mp_msg(MSGT_VFILTER,MSGL_ERR,"Unhandled format: 0x%X\n",dmpi->imgfmt);
return 0;
}
return vf_next_put_image(vf,dmpi, pts);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
int best;
if(fmt!=IMGFMT_RGB1 && fmt!=IMGFMT_BGR1) return 0;
best=find_best(vf);
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));
memset(vf->priv, 0, sizeof(struct vf_priv_s));
return 1;
}
const vf_info_t vf_info_1bpp = {
"1bpp bitmap -> YUV/BGR 8/15/16/32 conversion",
"1bpp",
"A'rpi",
"",
open,
NULL
};
//===========================================================================//
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