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mpv/libmpcodecs/vf_1bpp.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

186 lines
4.4 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 "../postproc/rgb2rgb.h"
//===========================================================================//
static 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;
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 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){
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);
}
//===========================================================================//
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;
}
vf_info_t vf_info_1bpp = {
"1bpp bitmap -> YUV/BGR 8/15/16/32 conversion",
"1bpp",
"A'rpi",
"",
open,
NULL
};
//===========================================================================//