| 43 |
|
} DEPTHCODEC; |
| 44 |
|
|
| 45 |
|
/* Encode depth as 16-bit signed integer */ |
| 46 |
< |
extern short depth2code(double d, double dref); |
| 46 |
> |
#define depth2code(d, dref) \ |
| 47 |
> |
( (d) > (dref) ? (int)(32768. - 32768.*(dref)/(d))-1 : \ |
| 48 |
> |
(d) > .0 ? (int)(32767.*(d)/(dref) - 32768.) : -32768 ) |
| 49 |
|
|
| 50 |
|
/* Decode depth from 16-bit signed integer */ |
| 51 |
< |
extern double code2depth(short c, double dref); |
| 51 |
> |
extern double code2depth(int c, double dref); |
| 52 |
|
|
| 53 |
|
/* Set codec defaults */ |
| 54 |
|
extern void set_dc_defaults(DEPTHCODEC *dcp); |
| 59 |
|
/* Check that we have what we need to decode depths */ |
| 60 |
|
extern int check_decode_depths(DEPTHCODEC *dcp); |
| 61 |
|
|
| 62 |
< |
/* Decode next depth pixel */ |
| 62 |
> |
/* Decode next depth pixel from input */ |
| 63 |
|
extern double decode_depth_next(DEPTHCODEC *dcp); |
| 64 |
|
|
| 65 |
|
/* Seek to the indicated pixel position */ |
| 71 |
|
/* Check that we have what we need to decode world positions */ |
| 72 |
|
extern int check_decode_worldpos(DEPTHCODEC *dcp); |
| 73 |
|
|
| 74 |
< |
/* Compute world position from depth */ |
| 74 |
> |
/* Compute world position from pixel position and depth */ |
| 75 |
|
extern int compute_worldpos(FVECT wpos, DEPTHCODEC *dcp, |
| 76 |
|
int x, int y, double d); |
| 77 |
|
|
| 78 |
< |
/* Decode the next world position */ |
| 78 |
> |
/* Decode the next world position from input */ |
| 79 |
|
int decode_worldpos_next(FVECT wpos, DEPTHCODEC *dcp); |
| 80 |
|
|
| 81 |
< |
/* Read and decode the world position at the given pixel */ |
| 81 |
> |
/* Decode depth and compute world position for the given pixel */ |
| 82 |
|
extern int get_worldpos_pix(FVECT wpos, DEPTHCODEC *dcp, int x, int y); |
| 83 |
|
|
| 84 |
|
extern char *progname; /* global argv[0] (set by main) */ |
