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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "vd_internal.h"
static vd_info_t info = {
"RLE Video decoder",
"msrle",
"A'rpi",
"XAnim rip...",
"native codec"
};
LIBVD_EXTERN(msrle)
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
unsigned int* pal;
unsigned int* dpal;
int cols;
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24)) return 0;
sh->context=dpal=malloc(4*256); // for the palette
memset(dpal,0,4*256);
pal=(unsigned int*)(((char*)sh->bih)+40);
cols=(sh->bih->biSize-40)/4;
if(cols>256) cols=256;
if( (((sh->codec->outfmt[sh->outfmtidx]&255)+7)/8)==2 ){
int i;
mp_msg(MSGT_DECVIDEO,MSGL_V,"RLE: converting palette for %d colors.\n",cols);
for(i=0;i<cols;i++){
unsigned int c=pal[i];
unsigned int b=c&255;
unsigned int g=(c>>8)&255;
unsigned int r=(c>>16)&255;
if((sh->codec->outfmt[sh->outfmtidx]&255)==15)
dpal[i]=((r>>3)<<10)|((g>>3)<<5)|((b>>3));
else
dpal[i]=((r>>3)<<11)|((g>>2)<<5)|((b>>3));
}
} else
memcpy(dpal,pal,4*cols);
return 1;
}
// uninit driver
static void uninit(sh_video_t *sh){
free(sh->context); sh->context=NULL;
}
//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
void AVI_Decode_RLE8(char *image,char *delta,int tdsize,
unsigned int *map,int imagex,int imagey,unsigned char x11_bytes_pixel);
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
if(len<=0) return NULL; // skipped frame
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_STATIC, MP_IMGFLAG_PRESERVE,
sh->disp_w, sh->disp_h);
if(!mpi) return NULL;
AVI_Decode_RLE8(mpi->planes[0],data,len,
(int*)sh->context,
sh->disp_w,sh->disp_h,mpi->bpp/8);
return mpi;
}
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