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mpv/libmpcodecs/vf_rgb2bgr.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

105 lines
2.6 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 "../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
};
//===========================================================================//