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copy palette to 4*256 bytes area to avoid sig11 when colors<256 but index>colors (broken files)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5420 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-03-31 10:11:49 +00:00
parent 593c86af8e
commit dc8013694c
1 changed files with 15 additions and 9 deletions
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24
libmpcodecs/vd_rle.c
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@ -24,13 +24,17 @@ static int control(sh_video_t *sh,int cmd,void* arg,...){
// 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 ){
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];
@ -38,16 +42,18 @@ static int init(sh_video_t *sh){
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));
dpal[i]=((r>>3)<<10)|((g>>3)<<5)|((b>>3));
else
pal[i]=((r>>3)<<11)|((g>>2)<<5)|((b>>3));
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);
@ -65,8 +71,8 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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);
(int*)sh->context,
sh->disp_w,sh->disp_h,mpi->bpp/8);
return mpi;
}