mirror of https://github.com/mpv-player/mpv
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
|
#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",
|
||
|
|
"rle",
|
||
|
|
VFM_RLE,
|
||
|
|
"A'rpi",
|
||
|
|
"XAnim rip...",
|
||
|
|
"native codec"
|
||
|
|
};
|
||
|
|
|
||
|
|
LIBVD_EXTERN(rle)
|
||
|
|
|
||
|
|
// 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){
|
||
|
|
mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24);
|
||
|
|
if( (((sh->codec->outfmt[sh->outfmtidx]&255)+7)/8)==2 ){
|
||
|
|
unsigned int* pal=(unsigned int*)(((char*)sh->bih)+40);
|
||
|
|
int cols=(sh->bih->biSize-40)/4;
|
||
|
|
//int cols=1<<(sh_video->bih->biBitCount);
|
||
|
|
int i;
|
||
|
|
if(cols>256) cols=256;
|
||
|
|
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)
|
||
|
|
pal[i]=((r>>3)<<10)|((g>>3)<<5)|((b>>3));
|
||
|
|
else
|
||
|
|
pal[i]=((r>>3)<<11)|((g>>2)<<5)|((b>>3));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// uninit driver
|
||
|
|
static void uninit(sh_video_t *sh){
|
||
|
|
}
|
||
|
|
|
||
|
|
//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*)(((char*)sh->bih)+40),
|
||
|
|
sh->disp_w,sh->disp_h,((mpi->imgfmt&255)+7)/8);
|
||
|
|
|
||
|
|
return mpi;
|
||
|
|
}
|
||
|
|
|