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mpv/libmpcodecs/vf_palette.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

198 lines
5.6 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_BGR32,
IMGFMT_BGR24,
IMGFMT_BGR16,
IMGFMT_BGR15,
0
};
static unsigned int rgb_list[]={
IMGFMT_RGB32,
IMGFMT_RGB24,
IMGFMT_RGB16,
IMGFMT_RGB15,
0
};
static unsigned int gray_pal[256];
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_DBG2,"[%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;
int pal_msg;
};
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,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 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->planes[1])
{
if(!vf->priv->pal_msg){
mp_msg(MSGT_VFILTER,MSGL_V,"[%s] no palette given, assuming builtin grayscale one\n",vf->info->name);
vf->priv->pal_msg=1;
}
mpi->planes[1] = (unsigned char*)gray_pal;
}
if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
// no stride conversion needed
switch(dmpi->imgfmt&255){
case 15:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr15(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
else
palette8torgb15(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 16:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
else
palette8torgb16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 24:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
else
palette8torgb24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
break;
case 32:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
else
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:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr15(src,dst,mpi->w,mpi->planes[1]);
else
palette8torgb15(src,dst,mpi->w,mpi->planes[1]);
break;
case 16:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr16(src,dst,mpi->w,mpi->planes[1]);
else
palette8torgb16(src,dst,mpi->w,mpi->planes[1]);
break;
case 24:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr24(src,dst,mpi->w,mpi->planes[1]);
else
palette8torgb24(src,dst,mpi->w,mpi->planes[1]);
break;
case 32:
if (dmpi->flags & MP_IMGFLAG_SWAPPED)
palette8tobgr32(src,dst,mpi->w,mpi->planes[1]);
else
palette8torgb32(src,dst,mpi->w,mpi->planes[1]);
break;
}
}
}
return 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){
unsigned int i;
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));
for(i=0;i<256;i++) gray_pal[i]=0x01010101*i;
if (args)
{
if (!strcasecmp(args,"rgb15")) vf->priv->fmt=IMGFMT_RGB15; else
if (!strcasecmp(args,"rgb16")) vf->priv->fmt=IMGFMT_RGB16; else
if (!strcasecmp(args,"rgb24")) vf->priv->fmt=IMGFMT_RGB24; else
if (!strcasecmp(args,"rgb32")) vf->priv->fmt=IMGFMT_RGB32; else
if (!strcasecmp(args,"bgr15")) vf->priv->fmt=IMGFMT_BGR15; else
if (!strcasecmp(args,"bgr16")) vf->priv->fmt=IMGFMT_BGR16; else
if (!strcasecmp(args,"bgr24")) vf->priv->fmt=IMGFMT_BGR24; else
if (!strcasecmp(args,"bgr32")) vf->priv->fmt=IMGFMT_BGR32; else
{
printf("Unknown forced format name: '%s'\n", args);
return(0);
}
}
return 1;
}
vf_info_t vf_info_palette = {
"8bpp indexed (using palette) -> BGR 15/16/24/32 conversion",
"palette",
"A'rpi & Alex",
"",
open,
NULL
};
//===========================================================================//