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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 = {
"Microsoft Video 1 / CRAM decoder",
"msvidc",
"A'rpi",
"Mike Melanson",
"native codec"
};
LIBVD_EXTERN(msvidc)
// 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_BGR24);
}
// 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_Video1_16(
char *encoded,
int encoded_size,
char *decoded,
int width,
int height,
int bytes_per_pixel);
void AVI_Decode_Video1_8(
char *encoded,
int encoded_size,
char *decoded,
int width,
int height,
unsigned char *palette_map,
int bytes_per_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;
if (sh->bih->biBitCount == 16)
AVI_Decode_Video1_16(
data, len, mpi->planes[0],
sh->disp_w, sh->disp_h,
mpi->bpp/8);
else
AVI_Decode_Video1_8(
data, len, mpi->planes[0],
sh->disp_w, sh->disp_h,
(unsigned char *)sh->bih+40,
mpi->bpp/8);
return mpi;
}
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