1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#include <stdio.h>
#include <stdlib.h>
#include "codec-cfg.h"
#include "config.h"
#include "mp_msg.h"
#include "../libvo/img_format.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "vd.h"
#include "vd_internal.h"
static vd_info_t info = {
"Cinepak Video decoder",
"cinepak",
0,
"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_);
// 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, sh->disp_h);
if(!mpi){ // temporary!
printf("couldn't allocate image for cinepak codec\n");
return NULL;
}
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]);
return mpi;
}
|
