mpv/libmpcodecs/vd_nuv.c

55 lines
1.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "vd_internal.h"
static const vd_info_t info = {
"NuppelVideo decoder",
"nuv",
"A'rpi",
"Alex & Panagiotis Issaris <takis@lumumba.luc.ac.be>",
"native codecs"
};
LIBVD_EXTERN(nuv)
// 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){
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_I420);
}
// 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 decode_nuv(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,
int width,
int height);
// 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_TEMP, 0,
sh->disp_w, sh->disp_h);
if(!mpi) return NULL;
decode_nuv(data, len, mpi->planes[0], sh->disp_w, sh->disp_h);
return mpi;
}