mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 19:35:49 +00:00
dc8013694c
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5420 b3059339-0415-0410-9bf9-f77b7e298cf2
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "vd_internal.h"
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static vd_info_t info = {
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"RLE Video decoder",
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"msrle",
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VFM_MSRLE,
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"A'rpi",
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"XAnim rip...",
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"native codec"
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};
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LIBVD_EXTERN(msrle)
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// to set/get/query special features/parameters
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static int control(sh_video_t *sh,int cmd,void* arg,...){
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return CONTROL_UNKNOWN;
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}
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// init driver
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static int init(sh_video_t *sh){
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unsigned int* pal;
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unsigned int* dpal;
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int cols;
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if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24)) return 0;
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sh->context=dpal=malloc(4*256); // for the palette
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memset(dpal,0,4*256);
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pal=(unsigned int*)(((char*)sh->bih)+40);
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cols=(sh->bih->biSize-40)/4;
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if(cols>256) cols=256;
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if( (((sh->codec->outfmt[sh->outfmtidx]&255)+7)/8)==2 ){
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int i;
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mp_msg(MSGT_DECVIDEO,MSGL_V,"RLE: converting palette for %d colors.\n",cols);
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for(i=0;i<cols;i++){
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unsigned int c=pal[i];
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unsigned int b=c&255;
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unsigned int g=(c>>8)&255;
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unsigned int r=(c>>16)&255;
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if((sh->codec->outfmt[sh->outfmtidx]&255)==15)
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dpal[i]=((r>>3)<<10)|((g>>3)<<5)|((b>>3));
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else
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dpal[i]=((r>>3)<<11)|((g>>2)<<5)|((b>>3));
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}
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} else
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memcpy(dpal,pal,4*cols);
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return 1;
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}
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// uninit driver
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static void uninit(sh_video_t *sh){
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free(sh->context); sh->context=NULL;
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}
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//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
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void AVI_Decode_RLE8(char *image,char *delta,int tdsize,
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unsigned int *map,int imagex,int imagey,unsigned char x11_bytes_pixel);
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// decode a frame
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static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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mp_image_t* mpi;
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if(len<=0) return NULL; // skipped frame
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_STATIC, MP_IMGFLAG_PRESERVE,
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sh->disp_w, sh->disp_h);
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if(!mpi) return NULL;
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AVI_Decode_RLE8(mpi->planes[0],data,len,
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(int*)sh->context,
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sh->disp_w,sh->disp_h,mpi->bpp/8);
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return mpi;
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}
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