| 1 |
greg |
2.1 |
#ifndef lint
|
| 2 |
greg |
2.7 |
static const char RCSid[] = "$Id: pmblur2.c,v 2.6 2018/08/02 18:33:45 greg Exp $";
|
| 3 |
greg |
2.1 |
#endif
|
| 4 |
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/*
|
| 5 |
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* pmblur2.c - program to computer better motion blur from ranimove frames.
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| 6 |
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*
|
| 7 |
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* Created by Greg Ward on 10/3/12.
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| 8 |
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*/
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| 9 |
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| 10 |
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#include "copyright.h"
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| 11 |
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| 12 |
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#include "standard.h"
|
| 13 |
|
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#include "platform.h"
|
| 14 |
|
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#include "color.h"
|
| 15 |
|
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#include "view.h"
|
| 16 |
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| 17 |
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#define ZGONE (2.*FHUGE) /* non-existent depth value */
|
| 18 |
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|
| 19 |
|
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const char *hdrspec; /* HDR image specification string */
|
| 20 |
|
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const char *zbfspec; /* depth buffer specification string */
|
| 21 |
|
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const char *mvospec; /* motion vector specification string */
|
| 22 |
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|
| 23 |
|
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RESOLU imres; /* image size and orientation */
|
| 24 |
|
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double pixaspect = 1.; /* pixel aspect ratio */
|
| 25 |
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|
| 26 |
|
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COLOR *imsum; /* blurred image in progress */
|
| 27 |
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VIEW vwsum; /* averaged view for blurred image */
|
| 28 |
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char imfmt[32] = PICFMT; /* image format */
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| 29 |
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| 30 |
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int nsamps; /* number of time samples */
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| 31 |
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| 32 |
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COLOR *imbuf; /* accumulation buffer for this time sample */
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| 33 |
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float *zbuf; /* associated depth buffer */
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| 34 |
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| 35 |
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COLR *imprev; /* previous loaded image frame */
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| 36 |
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float *zprev; /* loaded depth buffer */
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| 37 |
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double exprev; /* previous image exposure */
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| 38 |
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VIEW vwprev = STDVIEW; /* previous view */
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| 39 |
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int fnprev; /* frame number for previous view */
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| 40 |
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| 41 |
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char *progname; /* global argv[0] */
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| 42 |
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| 43 |
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typedef struct {
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| 44 |
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VIEW *vp; /* view pointer */
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| 45 |
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int gotview; /* got view parameters? */
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| 46 |
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double ev; /* exposure value */
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| 47 |
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} IMGHEAD; /* holder for individual header information */
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| 48 |
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| 49 |
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| 50 |
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/* Process line from picture header */
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| 51 |
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static int
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| 52 |
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headline(char *s, void *p)
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| 53 |
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{
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| 54 |
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IMGHEAD *ip = (IMGHEAD *)p;
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| 55 |
greg |
2.6 |
char fmt[MAXFMTLEN];
|
| 56 |
greg |
2.1 |
|
| 57 |
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if (isview(s)) {
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| 58 |
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ip->gotview += (sscanview(ip->vp, s) > 0);
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| 59 |
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return(1);
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| 60 |
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}
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| 61 |
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if (isexpos(s)) {
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| 62 |
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ip->ev *= exposval(s);
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| 63 |
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return(1);
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| 64 |
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}
|
| 65 |
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if (formatval(fmt, s)) {
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| 66 |
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if (globmatch(imfmt, fmt)) {
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| 67 |
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strcpy(imfmt, fmt);
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| 68 |
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return(1);
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| 69 |
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}
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| 70 |
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error(WARNING, "wrong picture format");
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| 71 |
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return(-1);
|
| 72 |
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}
|
| 73 |
|
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if (isaspect(s)) {
|
| 74 |
|
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pixaspect = aspectval(s);
|
| 75 |
|
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return(1);
|
| 76 |
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}
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| 77 |
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return(0);
|
| 78 |
|
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}
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| 79 |
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| 80 |
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| 81 |
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/* Load previous frame (allocates arrays on first call) */
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| 82 |
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static void
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| 83 |
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loadprev(int fno)
|
| 84 |
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{
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| 85 |
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char *err;
|
| 86 |
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IMGHEAD ih;
|
| 87 |
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RESOLU rs;
|
| 88 |
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char fname[256];
|
| 89 |
|
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FILE *fp;
|
| 90 |
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int y, hres;
|
| 91 |
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int fd;
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| 92 |
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| 93 |
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if (fno == fnprev) /* already loaded? */
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| 94 |
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return;
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| 95 |
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sprintf(fname, hdrspec, fno); /* open picture file */
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| 96 |
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if ((fp = fopen(fname, "r")) == NULL) {
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| 97 |
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sprintf(errmsg, "cannot open picture file \"%s\"", fname);
|
| 98 |
|
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error(SYSTEM, errmsg);
|
| 99 |
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}
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| 100 |
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ih.vp = &vwprev;
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| 101 |
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ih.gotview = 0;
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| 102 |
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ih.ev = 1.;
|
| 103 |
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if (getheader(fp, headline, &ih) < 0)
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| 104 |
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goto readerr;
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| 105 |
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if (!ih.gotview) {
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| 106 |
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sprintf(errmsg, "missing view in picture \"%s\"", fname);
|
| 107 |
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error(USER, errmsg);
|
| 108 |
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}
|
| 109 |
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if ((err = setview(&vwprev)) != NULL)
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| 110 |
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error(USER, err);
|
| 111 |
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exprev = ih.ev;
|
| 112 |
|
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if (!fgetsresolu(&rs, fp))
|
| 113 |
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goto readerr;
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| 114 |
greg |
2.3 |
if (rs.rt != PIXSTANDARD) {
|
| 115 |
|
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sprintf(errmsg, "unsupported orientation in picture \"%s\"", fname);
|
| 116 |
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error(USER, errmsg);
|
| 117 |
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}
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| 118 |
greg |
2.1 |
if (!imres.xr) { /* allocate buffers */
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| 119 |
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imres = rs;
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| 120 |
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imsum = (COLOR *)ecalloc(imres.xr*imres.yr, sizeof(COLOR));
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| 121 |
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imbuf = (COLOR *)emalloc(sizeof(COLOR)*imres.xr*imres.yr);
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| 122 |
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zbuf = (float *)emalloc(sizeof(float)*imres.xr*imres.yr);
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| 123 |
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imprev = (COLR *)emalloc(sizeof(COLR)*rs.xr*rs.yr);
|
| 124 |
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zprev = (float *)emalloc(sizeof(float)*rs.xr*rs.yr);
|
| 125 |
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} else if ((imres.xr != rs.xr) | (imres.yr != rs.yr)) {
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| 126 |
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sprintf(errmsg, "resolution mismatch in picture \"%s\"", fname);
|
| 127 |
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error(USER, errmsg);
|
| 128 |
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}
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| 129 |
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hres = scanlen(&rs); /* load picture */
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| 130 |
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for (y = 0; y < numscans(&rs); y++)
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| 131 |
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if (freadcolrs(imprev + y*hres, hres, fp) < 0)
|
| 132 |
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goto readerr;
|
| 133 |
|
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fclose(fp);
|
| 134 |
|
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sprintf(fname, zbfspec, fno); /* load depth buffer */
|
| 135 |
greg |
2.7 |
if ((fd = open_float_depth(fname, (long)rs.xr*rs.yr)) < 0) {
|
| 136 |
greg |
2.1 |
sprintf(errmsg, "cannot open depth buffer \"%s\"", fname);
|
| 137 |
|
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error(SYSTEM, errmsg);
|
| 138 |
|
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}
|
| 139 |
|
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if (read(fd, zprev, sizeof(float)*rs.xr*rs.yr) != sizeof(float)*rs.xr*rs.yr)
|
| 140 |
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goto readerr;
|
| 141 |
|
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close(fd);
|
| 142 |
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fnprev = fno;
|
| 143 |
|
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return;
|
| 144 |
|
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readerr:
|
| 145 |
|
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sprintf(errmsg, "error loading file \"%s\"", fname);
|
| 146 |
|
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error(USER, errmsg);
|
| 147 |
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}
|
| 148 |
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| 149 |
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| 150 |
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/* Interpolate between two image pixels */
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| 151 |
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/* XXX skipping expensive ray vector calculations for now */
|
| 152 |
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static void
|
| 153 |
greg |
2.3 |
interp_pixel(COLOR con, const VIEW *vwn, int xn, int yn, double zval,
|
| 154 |
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double pos, int xp, int yp, int interpOK)
|
| 155 |
greg |
2.1 |
{
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| 156 |
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const int hres = scanlen(&imres);
|
| 157 |
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RREAL ipos;
|
| 158 |
|
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FVECT wprev, wcoor, rdir;
|
| 159 |
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int np, xd, yd, nd;
|
| 160 |
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COLOR cpr;
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| 161 |
greg |
2.3 |
double sf;
|
| 162 |
greg |
2.1 |
/* check if off image */
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| 163 |
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if ((xp < 0) | (xp >= hres))
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| 164 |
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return;
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| 165 |
|
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if ((yp < 0) | (yp >= numscans(&imres)))
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| 166 |
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return;
|
| 167 |
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np = yp*hres + xp; /* get indexed destination */
|
| 168 |
|
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xd = (1.-pos)*xp + pos*xn + .5;
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| 169 |
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yd = (1.-pos)*yp + pos*yn + .5;
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| 170 |
|
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nd = yd*hres + xd;
|
| 171 |
greg |
2.3 |
/* check depth */
|
| 172 |
|
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if (interpOK)
|
| 173 |
|
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zval = (1.-pos)*zprev[np] + pos*zval;
|
| 174 |
greg |
2.1 |
if (zval >= zbuf[nd])
|
| 175 |
|
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return;
|
| 176 |
greg |
2.3 |
zbuf[nd] = zval; /* assign new depth */
|
| 177 |
|
|
copycolor(imbuf[nd], con); /* assign new color */
|
| 178 |
|
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if (!interpOK)
|
| 179 |
|
|
return;
|
| 180 |
greg |
2.1 |
scalecolor(imbuf[nd], pos);
|
| 181 |
|
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sf = (1.-pos)/exprev;
|
| 182 |
|
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colr_color(cpr, imprev[np]);
|
| 183 |
|
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scalecolor(cpr, sf);
|
| 184 |
|
|
addcolor(imbuf[nd], cpr);
|
| 185 |
|
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}
|
| 186 |
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|
| 187 |
|
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|
| 188 |
|
|
/* Find neighbor with minimum depth from buffer */
|
| 189 |
|
|
static int
|
| 190 |
|
|
neigh_zmin(const float *zb, int n)
|
| 191 |
|
|
{
|
| 192 |
|
|
const int hres = scanlen(&imres);
|
| 193 |
|
|
const int vc = n / hres;
|
| 194 |
|
|
const int hc = n - vc*hres;
|
| 195 |
|
|
float zbest = ZGONE;
|
| 196 |
|
|
int nbest = 0;
|
| 197 |
|
|
|
| 198 |
|
|
if (hc > 0 && zb[n-1] < zbest)
|
| 199 |
|
|
zbest = zb[nbest = n-1];
|
| 200 |
|
|
if (hc < hres-1 && zb[n+1] < zbest)
|
| 201 |
|
|
zbest = zb[nbest = n+1];
|
| 202 |
|
|
if (vc > 0 && zb[n-hres] < zbest)
|
| 203 |
|
|
zbest = zb[nbest = n-hres];
|
| 204 |
|
|
if (vc < numscans(&imres)-1 && zb[n+hres] < zbest)
|
| 205 |
|
|
return(n+hres);
|
| 206 |
|
|
return(nbest);
|
| 207 |
|
|
}
|
| 208 |
|
|
|
| 209 |
|
|
|
| 210 |
greg |
2.5 |
/* Expand foreground pixels to mitigate aliasing/fill errors */
|
| 211 |
greg |
2.1 |
static void
|
| 212 |
|
|
fill_missing(void)
|
| 213 |
|
|
{
|
| 214 |
|
|
int n, m;
|
| 215 |
|
|
|
| 216 |
|
|
for (n = imres.xr*imres.yr; n--; )
|
| 217 |
greg |
2.5 |
if (zbuf[n] > 1.25*zbuf[m = neigh_zmin(zbuf,n)])
|
| 218 |
greg |
2.1 |
copycolor(imbuf[n], imbuf[m]);
|
| 219 |
|
|
}
|
| 220 |
|
|
|
| 221 |
|
|
|
| 222 |
|
|
/* Load a subframe */
|
| 223 |
|
|
static void
|
| 224 |
|
|
addframe(double fpos)
|
| 225 |
|
|
{
|
| 226 |
|
|
COLOR backg;
|
| 227 |
|
|
char *err;
|
| 228 |
|
|
VIEW fvw;
|
| 229 |
|
|
RESOLU rs;
|
| 230 |
|
|
IMGHEAD ihead;
|
| 231 |
|
|
char fname[256];
|
| 232 |
|
|
FILE *fpimg;
|
| 233 |
|
|
int fdzbf, fdmvo;
|
| 234 |
|
|
COLR *iscan;
|
| 235 |
|
|
float *zscan;
|
| 236 |
|
|
uint16 *mscan;
|
| 237 |
|
|
int hres, n, h;
|
| 238 |
|
|
|
| 239 |
|
|
loadprev((int)fpos); /* make sure we have previous */
|
| 240 |
|
|
fpos -= floor(fpos);
|
| 241 |
|
|
if (fpos <= .02) { /* special case */
|
| 242 |
|
|
COLOR col;
|
| 243 |
|
|
for (n = imres.xr*imres.yr; n--; ) {
|
| 244 |
|
|
colr_color(col, imprev[n]);
|
| 245 |
|
|
addcolor(imsum[n], col);
|
| 246 |
|
|
}
|
| 247 |
|
|
return;
|
| 248 |
|
|
}
|
| 249 |
|
|
/* open input files */
|
| 250 |
|
|
sprintf(fname, hdrspec, fnprev+1);
|
| 251 |
|
|
if ((fpimg = fopen(fname, "r")) == NULL)
|
| 252 |
|
|
goto openerr;
|
| 253 |
|
|
fvw = vwprev;
|
| 254 |
|
|
ihead.vp = &fvw;
|
| 255 |
|
|
ihead.gotview = 0;
|
| 256 |
|
|
ihead.ev = 1.;
|
| 257 |
|
|
if (getheader(fpimg, headline, &ihead) < 0)
|
| 258 |
|
|
goto readerr;
|
| 259 |
|
|
if (!ihead.gotview) {
|
| 260 |
|
|
sprintf(errmsg, "missing view in picture \"%s\"", fname);
|
| 261 |
|
|
error(USER, errmsg);
|
| 262 |
|
|
}
|
| 263 |
|
|
if ((err = setview(&fvw)) != NULL)
|
| 264 |
|
|
error(USER, err);
|
| 265 |
|
|
if (!fgetsresolu(&rs, fpimg))
|
| 266 |
|
|
goto readerr;
|
| 267 |
greg |
2.3 |
if (rs.rt != PIXSTANDARD) {
|
| 268 |
|
|
sprintf(errmsg, "unsupported orientation in picture \"%s\"", fname);
|
| 269 |
|
|
error(USER, errmsg);
|
| 270 |
|
|
}
|
| 271 |
greg |
2.1 |
if ((rs.xr != imres.xr) | (rs.yr != imres.yr)) {
|
| 272 |
|
|
sprintf(errmsg, "resolution mismatch for picture \"%s\"", fname);
|
| 273 |
|
|
error(USER, errmsg);
|
| 274 |
|
|
}
|
| 275 |
|
|
vwsum.type = fvw.type; /* average in view */
|
| 276 |
|
|
for (n = 3; n--; ) {
|
| 277 |
|
|
vwsum.vp[n] += (1.-fpos)*vwprev.vp[n] + fpos*fvw.vp[n];
|
| 278 |
|
|
vwsum.vdir[n] += (1.-fpos)*vwprev.vdir[n] + fpos*fvw.vdir[n];
|
| 279 |
|
|
vwsum.vup[n] += (1.-fpos)*vwprev.vdir[n] + fpos*fvw.vdir[n];
|
| 280 |
|
|
}
|
| 281 |
|
|
vwsum.vdist += (1.-fpos)*vwprev.vdist + fpos*fvw.vdist;
|
| 282 |
|
|
vwsum.horiz += (1.-fpos)*vwprev.horiz + fpos*fvw.horiz;
|
| 283 |
|
|
vwsum.vert += (1.-fpos)*vwprev.vert + fpos*fvw.vert;
|
| 284 |
|
|
vwsum.voff += (1.-fpos)*vwprev.voff + fpos*fvw.voff;
|
| 285 |
|
|
vwsum.hoff += (1.-fpos)*vwprev.hoff + fpos*fvw.hoff;
|
| 286 |
|
|
vwsum.vfore += (1.-fpos)*vwprev.vfore + fpos*fvw.vfore;
|
| 287 |
|
|
vwsum.vaft += (1.-fpos)*vwprev.vaft + fpos*fvw.vaft;
|
| 288 |
|
|
sprintf(fname, zbfspec, fnprev+1);
|
| 289 |
|
|
if ((fdzbf = open(fname, O_RDONLY)) < 0)
|
| 290 |
|
|
goto openerr;
|
| 291 |
|
|
sprintf(fname, mvospec, fnprev+1);
|
| 292 |
|
|
if ((fdmvo = open(fname, O_RDONLY)) < 0)
|
| 293 |
|
|
goto openerr;
|
| 294 |
|
|
setcolor(backg, .0, .0, .0); /* clear image & depth buffers */
|
| 295 |
|
|
for (n = rs.xr*rs.yr; n--; ) {
|
| 296 |
|
|
if (zprev[n] >= .9*FHUGE &&
|
| 297 |
|
|
zprev[neigh_zmin(zprev,n)] >= .9*FHUGE)
|
| 298 |
|
|
colr_color(backg, imprev[n]);
|
| 299 |
|
|
copycolor(imbuf[n], backg);
|
| 300 |
|
|
zbuf[n] = ZGONE;
|
| 301 |
|
|
}
|
| 302 |
|
|
hres = scanlen(&rs); /* process a scanline at a time */
|
| 303 |
|
|
iscan = (COLR *)emalloc(sizeof(COLR)*hres);
|
| 304 |
|
|
zscan = (float *)emalloc(sizeof(float)*hres);
|
| 305 |
|
|
mscan = (uint16 *)emalloc(sizeof(uint16)*3*hres);
|
| 306 |
|
|
for (n = 0; n < numscans(&rs); n++) {
|
| 307 |
|
|
const double sf = 1./ihead.ev;
|
| 308 |
|
|
COLOR cval;
|
| 309 |
|
|
if (freadcolrs(iscan, hres, fpimg) < 0)
|
| 310 |
|
|
goto readerr;
|
| 311 |
|
|
if (read(fdzbf, zscan, sizeof(float)*hres) !=
|
| 312 |
|
|
sizeof(float)*hres)
|
| 313 |
|
|
goto readerr;
|
| 314 |
|
|
if (read(fdmvo, mscan, sizeof(uint16)*3*hres) !=
|
| 315 |
|
|
sizeof(uint16)*3*hres)
|
| 316 |
|
|
goto readerr;
|
| 317 |
|
|
for (h = hres; h--; ) {
|
| 318 |
|
|
if (!mscan[3*h])
|
| 319 |
|
|
continue; /* unknown motion */
|
| 320 |
|
|
colr_color(cval, iscan[h]);
|
| 321 |
|
|
scalecolor(cval, sf);
|
| 322 |
|
|
interp_pixel(cval, &fvw, h, n, zscan[h], fpos,
|
| 323 |
|
|
h + (int)mscan[3*h] - 32768,
|
| 324 |
greg |
2.3 |
n - (int)mscan[3*h+1] + 32768,
|
| 325 |
|
|
mscan[3*h+2]);
|
| 326 |
greg |
2.1 |
}
|
| 327 |
|
|
}
|
| 328 |
|
|
/* fill in missing pixels */
|
| 329 |
|
|
fill_missing();
|
| 330 |
|
|
/* add in results */
|
| 331 |
|
|
for (n = imres.xr*imres.yr; n--; )
|
| 332 |
|
|
addcolor(imsum[n], imbuf[n]);
|
| 333 |
|
|
/* clean up */
|
| 334 |
|
|
free(mscan);
|
| 335 |
|
|
free(zscan);
|
| 336 |
|
|
free(iscan);
|
| 337 |
|
|
close(fdmvo);
|
| 338 |
|
|
close(fdzbf);
|
| 339 |
|
|
fclose(fpimg);
|
| 340 |
|
|
return;
|
| 341 |
|
|
openerr:
|
| 342 |
|
|
sprintf(errmsg, "cannot open input \"%s\"", fname);
|
| 343 |
|
|
error(SYSTEM, errmsg);
|
| 344 |
|
|
readerr:
|
| 345 |
|
|
error(SYSTEM, "error reading input file");
|
| 346 |
|
|
}
|
| 347 |
|
|
|
| 348 |
|
|
|
| 349 |
|
|
/* Average and write our image out to the given file */
|
| 350 |
|
|
static void
|
| 351 |
|
|
write_average(FILE *fp)
|
| 352 |
|
|
{
|
| 353 |
|
|
const int hres = scanlen(&imres);
|
| 354 |
|
|
const double sf = 1./(double)nsamps;
|
| 355 |
|
|
const float csf = exprev*sf;
|
| 356 |
|
|
int n, h;
|
| 357 |
|
|
/* normalize view & image */
|
| 358 |
|
|
for (n = 3; n--; ) {
|
| 359 |
|
|
vwsum.vp[n] *= sf;
|
| 360 |
|
|
vwsum.vdir[n] *= sf;
|
| 361 |
|
|
vwsum.vup[n] *= sf;
|
| 362 |
|
|
}
|
| 363 |
|
|
vwsum.vdist *= sf;
|
| 364 |
|
|
vwsum.horiz *= sf;
|
| 365 |
|
|
vwsum.vert *= sf;
|
| 366 |
|
|
vwsum.voff *= sf;
|
| 367 |
|
|
vwsum.hoff *= sf;
|
| 368 |
|
|
vwsum.vfore *= sf;
|
| 369 |
|
|
vwsum.vaft *= sf;
|
| 370 |
|
|
for (n = imres.xr*imres.yr; n--; )
|
| 371 |
|
|
scalecolor(imsum[n], csf);
|
| 372 |
|
|
/* write it out */
|
| 373 |
|
|
fputs(VIEWSTR, fp);
|
| 374 |
|
|
fprintview(&vwsum, fp);
|
| 375 |
|
|
fputc('\n', fp);
|
| 376 |
|
|
if ((pixaspect < .98) | (pixaspect > 1.02))
|
| 377 |
|
|
fputaspect(pixaspect, fp);
|
| 378 |
|
|
fputexpos(exprev, fp);
|
| 379 |
|
|
if (strcmp(imfmt, PICFMT))
|
| 380 |
|
|
fputformat(imfmt, fp);
|
| 381 |
|
|
fputc('\n', fp); /* end of info. header */
|
| 382 |
|
|
fputsresolu(&imres, fp);
|
| 383 |
|
|
for (n = 0; n < numscans(&imres); n++)
|
| 384 |
|
|
if (fwritescan(imsum + n*hres, hres, fp) < 0)
|
| 385 |
|
|
error(SYSTEM, "write error on picture output");
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
/* Load frame sequence and compute motion blur output */
|
| 389 |
|
|
int
|
| 390 |
|
|
main(int argc, char *argv[])
|
| 391 |
|
|
{
|
| 392 |
|
|
double fstart, fend, fstep, fcur;
|
| 393 |
|
|
|
| 394 |
|
|
progname = argv[0];
|
| 395 |
|
|
SET_DEFAULT_BINARY();
|
| 396 |
|
|
if (argc != 5)
|
| 397 |
|
|
goto userr;
|
| 398 |
greg |
2.2 |
/* get frame range & sampling */
|
| 399 |
|
|
switch (sscanf(argv[1], "%lf,%lf/%d", &fstart, &fend, &nsamps)) {
|
| 400 |
greg |
2.1 |
case 1:
|
| 401 |
greg |
2.4 |
fend = fstart;
|
| 402 |
greg |
2.2 |
nsamps = 0;
|
| 403 |
greg |
2.1 |
break;
|
| 404 |
|
|
case 2:
|
| 405 |
greg |
2.2 |
nsamps = 0;
|
| 406 |
|
|
/* fall through */
|
| 407 |
|
|
case 3:
|
| 408 |
greg |
2.1 |
if (fend < fstart)
|
| 409 |
|
|
goto userr;
|
| 410 |
greg |
2.4 |
if (fend <= fstart+FTINY)
|
| 411 |
|
|
nsamps = 0;
|
| 412 |
greg |
2.1 |
break;
|
| 413 |
|
|
default:
|
| 414 |
|
|
goto userr;
|
| 415 |
|
|
}
|
| 416 |
|
|
if (fstart < 1)
|
| 417 |
|
|
goto userr;
|
| 418 |
greg |
2.2 |
if (nsamps <= 0)
|
| 419 |
|
|
nsamps = (fend - fstart)*17.;
|
| 420 |
greg |
2.1 |
if (nsamps) {
|
| 421 |
greg |
2.2 |
if (nsamps > 100) nsamps = 100;
|
| 422 |
greg |
2.1 |
fstep = (fend - fstart)/nsamps;
|
| 423 |
|
|
} else {
|
| 424 |
|
|
fstep = 1.;
|
| 425 |
|
|
fstart -= .5;
|
| 426 |
|
|
nsamps = 1;
|
| 427 |
|
|
}
|
| 428 |
greg |
2.2 |
hdrspec = argv[2];
|
| 429 |
|
|
zbfspec = argv[3];
|
| 430 |
|
|
mvospec = argv[4];
|
| 431 |
greg |
2.1 |
/* load and filter each subframe */
|
| 432 |
|
|
for (fcur = fstart + .5*fstep; fcur <= fend; fcur += fstep)
|
| 433 |
|
|
addframe(fcur);
|
| 434 |
|
|
/* write results to stdout */
|
| 435 |
|
|
SET_FILE_BINARY(stdout);
|
| 436 |
|
|
newheader("RADIANCE", stdout);
|
| 437 |
|
|
printargs(argc, argv, stdout);
|
| 438 |
|
|
fputnow(stdout);
|
| 439 |
|
|
write_average(stdout);
|
| 440 |
|
|
return(fflush(stdout) == EOF);
|
| 441 |
|
|
userr:
|
| 442 |
greg |
2.4 |
fprintf(stderr, "Usage: %s f0,f1[/n] HDRspec ZBUFspec MVOspec\n", progname);
|
| 443 |
greg |
2.1 |
return(1);
|
| 444 |
|
|
}
|
