mirror of https://github.com/mpv-player/mpv
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
#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",
|
|
VFM_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;
|
|
}
|
|
|
|
//int mpcodecs_config_vo(sh_video_t *sh, int w, int h, unsigned int preferred_outfmt);
|
|
void *decode_cinepak_init(void);
|
|
|
|
// init driver
|
|
static int init(sh_video_t *sh){
|
|
sh->context = decode_cinepak_init();
|
|
mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
|
|
return 1;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|