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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 = {
"Cinepak Video decoder",
"cinepak",
"A'rpi",
"Dr. Tim Ferguson, http://www.csse.monash.edu.au/~timf/videocodec.html",
"native codec"
};
LIBVD_EXTERN(cinepak)
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
return CONTROL_UNKNOWN;
}
void *decode_cinepak_init(void);
// init driver
static int init(sh_video_t *sh){
sh->context = decode_cinepak_init();
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
}
// 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_cinepak(void *context, unsigned char *buf, int size, unsigned char *frame, int width, int height, int bit_per_pixel, int stride_);
void decode_cinepak(void *context, unsigned char *buf, int size, mp_image_t* mpi);
// 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 | MP_IMGFLAG_ACCEPT_STRIDE,
(sh->disp_w+3)&(~3),
(sh->disp_h+3)&(~3));
if(!mpi){ // temporary!
printf("couldn't allocate image for cinepak codec\n");
return NULL;
}
#if 0
printf("mpi: %p/%d %p/%d %p/%d (%d) (%d) \n",
mpi->planes[0], mpi->stride[0],
mpi->planes[1], mpi->stride[1],
mpi->planes[2], mpi->stride[2],
mpi->planes[1]-mpi->planes[0],
mpi->planes[2]-mpi->planes[1]);
#endif
// decode_cinepak(sh->context, data, len, mpi->planes[0], sh->disp_w, sh->disp_h,
// (mpi->flags&MP_IMGFLAG_YUV)?16:(mpi->imgfmt&255), mpi->stride[0]);
decode_cinepak(sh->context, data, len, mpi);
return mpi;
}
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