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root/radiance/ray/src/util/ranimate.c
Revision: 2.15
Committed: Mon Jun 24 09:19:36 1996 UTC (27 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.14: +1 -1 lines
Log Message:
fixed NULL pointer for AIX

File Contents

# User Rev Content
1 greg 2.11 /* Copyright (c) 1996 Regents of the University of California */
2 greg 2.1
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * Radiance animation control program
9     */
10    
11     #include "standard.h"
12 greg 2.2 #include <ctype.h>
13 greg 2.1 #include <sys/types.h>
14     #include <sys/stat.h>
15     #include "view.h"
16     #include "vars.h"
17 greg 2.2 #include "netproc.h"
18 greg 2.10 /* default remote shell */
19     #ifdef _AUX_SOURCE
20     #define REMSH "remsh"
21     #else
22     #define REMSH "rsh"
23     #endif
24 greg 2.1 /* input variables */
25     #define HOST 0 /* rendering host machine */
26     #define RENDER 1 /* rendering options */
27     #define PFILT 2 /* pfilt options */
28     #define PINTERP 3 /* pinterp options */
29     #define OCTREE 4 /* octree file name */
30     #define DIRECTORY 5 /* working (sub)directory */
31     #define BASENAME 6 /* output image base name */
32     #define VIEWFILE 7 /* animation frame views */
33     #define START 8 /* starting frame number */
34     #define END 9 /* ending frame number */
35     #define RIF 10 /* rad input file */
36     #define NEXTANIM 11 /* next animation file */
37     #define ANIMATE 12 /* animation command */
38     #define TRANSFER 13 /* frame transfer command */
39     #define ARCHIVE 14 /* archiving command */
40     #define INTERP 15 /* # frames to interpolate */
41     #define OVERSAMP 16 /* # times to oversample image */
42     #define MBLUR 17 /* samples for motion blur */
43     #define RTRACE 18 /* use rtrace with pinterp? */
44     #define DISKSPACE 19 /* how much disk space to use */
45     #define RESOLUTION 20 /* desired final resolution */
46     #define EXPOSURE 21 /* how to compute exposure */
47 greg 2.10 #define RSH 22 /* remote shell script or program */
48 greg 2.1
49 greg 2.10 int NVARS = 23; /* total number of variables */
50 greg 2.1
51     VARIABLE vv[] = { /* variable-value pairs */
52     {"host", 4, 0, NULL, NULL},
53     {"render", 3, 0, NULL, catvalues},
54     {"pfilt", 2, 0, NULL, catvalues},
55     {"pinterp", 2, 0, NULL, catvalues},
56     {"OCTREE", 3, 0, NULL, onevalue},
57     {"DIRECTORY", 3, 0, NULL, onevalue},
58     {"BASENAME", 3, 0, NULL, onevalue},
59     {"VIEWFILE", 2, 0, NULL, onevalue},
60     {"START", 2, 0, NULL, intvalue},
61     {"END", 2, 0, NULL, intvalue},
62     {"RIF", 3, 0, NULL, onevalue},
63     {"NEXTANIM", 3, 0, NULL, onevalue},
64     {"ANIMATE", 2, 0, NULL, onevalue},
65     {"TRANSFER", 2, 0, NULL, onevalue},
66     {"ARCHIVE", 2, 0, NULL, onevalue},
67 greg 2.5 {"INTERPOLATE", 3, 0, NULL, intvalue},
68     {"OVERSAMPLE", 2, 0, NULL, fltvalue},
69 greg 2.1 {"MBLUR", 2, 0, NULL, onevalue},
70     {"RTRACE", 2, 0, NULL, boolvalue},
71     {"DISKSPACE", 3, 0, NULL, fltvalue},
72     {"RESOLUTION", 3, 0, NULL, onevalue},
73     {"EXPOSURE", 3, 0, NULL, onevalue},
74 greg 2.10 {"RSH", 3, 0, NULL, onevalue},
75 greg 2.1 };
76    
77     #define SFNAME "STATUS" /* status file name */
78    
79     struct {
80     char host[64]; /* control host name */
81     int pid; /* control process id */
82     char cfname[128]; /* control file name */
83     int rnext; /* next frame to render */
84     int fnext; /* next frame to filter */
85     int tnext; /* next frame to transfer */
86     } astat; /* animation status */
87    
88     char *progname; /* our program name */
89     char *cfname; /* our control file name */
90    
91     int nowarn = 0; /* turn warnings off? */
92     int silent = 0; /* silent mode? */
93     int noaction = 0; /* take no action? */
94    
95 greg 2.10 char *remsh; /* remote shell program/script */
96 greg 2.1 char rendopt[2048] = ""; /* rendering options */
97     char rresopt[32]; /* rendering resolution options */
98     char fresopt[32]; /* filter resolution options */
99     int pfiltalways; /* always use pfilt? */
100    
101 greg 2.7 char arcargs[10240]; /* files to archive */
102     char *arcfirst, *arcnext; /* pointers to first and next argument */
103    
104 greg 2.2 struct pslot {
105     int pid; /* process ID (0 if empty) */
106     int fout; /* output frame number */
107     int (*rcvf)(); /* recover function */
108     } *pslot; /* process slots */
109     int npslots; /* number of process slots */
110    
111     int lastpid; /* ID of last completed background process */
112     PSERVER *lastpserver; /* last process server used */
113    
114 greg 2.4 #define phostname(ps) ((ps)->hostname[0] ? (ps)->hostname : astat.host)
115    
116 greg 2.2 struct pslot *findpslot();
117    
118 greg 2.1 VIEW *getview();
119     char *getexp();
120    
121 greg 2.12 extern time_t fdate(), time();
122 greg 2.1
123 greg 2.12
124 greg 2.1 main(argc, argv)
125     int argc;
126     char *argv[];
127     {
128     int explicate = 0;
129     int i;
130    
131     progname = argv[0]; /* get arguments */
132     for (i = 1; i < argc && argv[i][0] == '-'; i++)
133     switch (argv[i][1]) {
134     case 'e': /* print variables */
135     explicate++;
136     break;
137     case 'w': /* turn off warnings */
138     nowarn++;
139     break;
140     case 's': /* silent mode */
141     silent++;
142     break;
143     case 'n': /* take no action */
144     noaction++;
145     break;
146     default:
147     goto userr;
148     }
149     if (i != argc-1)
150     goto userr;
151     cfname = argv[i];
152     /* load variables */
153     loadvars(cfname);
154     /* did we get DIRECTORY? */
155     checkdir();
156     /* check status */
157     if (getastat() < 0) {
158     fprintf(stderr, "%s: exiting\n", progname);
159     quit(1);
160     }
161     /* pfilt always if options given */
162     pfiltalways = vdef(PFILT);
163     /* load RIF if any */
164     if (vdef(RIF))
165     getradfile(vval(RIF));
166     /* set defaults */
167     setdefaults();
168     /* print variables */
169     if (explicate)
170     printvars(stdout);
171 greg 2.2 /* set up process servers */
172     sethosts();
173 greg 2.1 /* run animation */
174     animate();
175     /* all done */
176     if (vdef(NEXTANIM)) {
177     argv[i] = vval(NEXTANIM); /* just change input file */
178     if (!silent)
179     printargs(argc, argv, stdout);
180 greg 2.11 if ((argv[0] = getpath(progname,getenv("PATH"),X_OK)) == NULL)
181     fprintf(stderr, "%s: command not found\n", progname);
182     else
183     execv(progname, argv);
184     quit(1);
185 greg 2.1 }
186     quit(0);
187     userr:
188     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
189     quit(1);
190     }
191    
192    
193     getastat() /* check/set animation status */
194     {
195 greg 2.12 char sfname[256];
196 greg 2.1 FILE *fp;
197    
198 greg 2.12 sprintf(sfname, "%s/%s", vval(DIRECTORY), SFNAME);
199     if ((fp = fopen(sfname, "r")) == NULL) {
200 greg 2.1 if (errno != ENOENT) {
201 greg 2.12 perror(sfname);
202 greg 2.1 return(-1);
203     }
204     astat.rnext = astat.fnext = astat.tnext = 0;
205     goto setours;
206     }
207     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
208     goto fmterr;
209     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
210     goto fmterr;
211     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
212     goto fmterr;
213     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
214     goto fmterr;
215     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
216     goto fmterr;
217     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
218     goto fmterr;
219     fclose(fp);
220     if (astat.pid != 0) { /* thinks it's still running */
221 greg 2.9 if (strcmp(myhostname(), astat.host)) {
222 greg 2.1 fprintf(stderr,
223     "%s: process %d may still be running on host %s\n",
224     progname, astat.pid, astat.host);
225     return(-1);
226     }
227     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
228     fprintf(stderr, "%s: process %d is still running\n",
229     progname, astat.pid);
230     return(-1);
231     }
232     /* assume it is dead */
233     }
234     if (strcmp(cfname, astat.cfname) && astat.tnext != 0) { /* other's */
235     fprintf(stderr, "%s: unfinished job \"%s\"\n",
236     progname, astat.cfname);
237     return(-1);
238     }
239 greg 2.12 /* check control file mods. */
240     if (!nowarn && fdate(cfname) > fdate(sfname))
241     fprintf(stderr,
242     "%s: warning - control file modified since last run\n",
243     progname);
244 greg 2.1 setours: /* set our values */
245 greg 2.9 strcpy(astat.host, myhostname());
246 greg 2.1 astat.pid = getpid();
247     strcpy(astat.cfname, cfname);
248     return(0);
249     fmterr:
250     fprintf(stderr, "%s: format error in status file \"%s\"\n",
251 greg 2.12 progname, sfname);
252 greg 2.1 fclose(fp);
253     return(-1);
254     }
255    
256    
257     putastat() /* put out current status */
258     {
259     char buf[256];
260     FILE *fp;
261    
262 greg 2.2 if (noaction)
263     return;
264 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
265     if ((fp = fopen(buf, "w")) == NULL) {
266     perror(buf);
267     quit(1);
268     }
269     fprintf(fp, "Control host: %s\n", astat.host);
270     fprintf(fp, "Control PID: %d\n", astat.pid);
271     fprintf(fp, "Control file: %s\n", astat.cfname);
272     fprintf(fp, "Next render: %d\n", astat.rnext);
273     fprintf(fp, "Next filter: %d\n", astat.fnext);
274     fprintf(fp, "Next transfer: %d\n", astat.tnext);
275     fclose(fp);
276     }
277    
278    
279     checkdir() /* make sure we have our directory */
280     {
281     struct stat stb;
282    
283     if (!vdef(DIRECTORY)) {
284     fprintf(stderr, "%s: %s undefined\n",
285     progname, vnam(DIRECTORY));
286     quit(1);
287     }
288     if (stat(vval(DIRECTORY), &stb) == -1) {
289     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
290     return;
291     perror(vval(DIRECTORY));
292     quit(1);
293     }
294     if (!(stb.st_mode & S_IFDIR)) {
295     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
296     quit(1);
297     }
298     }
299    
300    
301     setdefaults() /* set default values */
302     {
303 greg 2.10 extern char *atos();
304 greg 2.1 char buf[256];
305    
306 greg 2.2 if (vdef(ANIMATE)) {
307     vval(OCTREE) = NULL;
308     vdef(OCTREE) = 0;
309     } else if (!vdef(OCTREE)) {
310 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
311     progname, vnam(OCTREE), vnam(ANIMATE));
312     quit(1);
313     }
314     if (!vdef(VIEWFILE)) {
315     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
316     quit(1);
317     }
318 greg 2.2 if (!vdef(HOST)) {
319     vval(HOST) = LHOSTNAME;
320     vdef(HOST)++;
321     }
322 greg 2.1 if (!vdef(START)) {
323     vval(START) = "1";
324     vdef(START)++;
325     }
326     if (!vdef(END)) {
327 greg 2.5 sprintf(buf, "%d", countviews()+vint(START)-1);
328 greg 2.1 vval(END) = savqstr(buf);
329     vdef(END)++;
330     }
331 greg 2.5 if (vint(END) < vint(START)) {
332     fprintf(stderr, "%s: ending frame less than starting frame\n",
333     progname);
334     quit(1);
335     }
336 greg 2.1 if (!vdef(BASENAME)) {
337     sprintf(buf, "%s/frame%%03d", vval(DIRECTORY));
338     vval(BASENAME) = savqstr(buf);
339     vdef(BASENAME)++;
340     }
341     if (!vdef(RESOLUTION)) {
342     vval(RESOLUTION) = "640";
343     vdef(RESOLUTION)++;
344     }
345     if (!vdef(OVERSAMP)) {
346     vval(OVERSAMP) = "2";
347     vdef(OVERSAMP)++;
348     }
349     if (!vdef(INTERP)) {
350     vval(INTERP) = "0";
351     vdef(INTERP)++;
352     }
353     if (!vdef(MBLUR)) {
354     vval(MBLUR) = "0";
355     vdef(MBLUR)++;
356     }
357     if (!vdef(RTRACE)) {
358     vval(RTRACE) = "F";
359     vdef(RTRACE)++;
360     }
361     if (!vdef(DISKSPACE)) {
362     if (!nowarn)
363     fprintf(stderr,
364     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
365     progname, vnam(DISKSPACE));
366     vval(DISKSPACE) = "100";
367     vdef(DISKSPACE)++;
368     }
369 greg 2.10 if (!vdef(RSH)) {
370     vval(RSH) = REMSH;
371     vdef(RSH)++;
372     }
373     /* locate remote shell program */
374     atos(buf, sizeof(buf), vval(RSH));
375     if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
376     remsh = savqstr(remsh);
377     else
378     remsh = vval(RSH); /* will generate error if used */
379    
380 greg 2.1 /* append rendering options */
381     if (vdef(RENDER))
382     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
383     }
384    
385    
386 greg 2.2 sethosts() /* set up process servers */
387     {
388     extern char *iskip();
389     char buf[256], *dir, *uname;
390     int np;
391     register char *cp;
392     int i;
393    
394     npslots = 0;
395     if (noaction)
396     return;
397     for (i = 0; i < vdef(HOST); i++) { /* add each host */
398     dir = uname = NULL;
399     np = 1;
400     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
401     cp = sskip(cp); /* skip host name */
402     while (isspace(*cp))
403     *cp++ = '\0';
404     if (*cp) { /* has # processes? */
405     np = atoi(cp);
406     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
407     badvalue(HOST);
408     while (isspace(*cp))
409     cp++;
410     if (*cp) { /* has directory? */
411     dir = cp;
412     cp = sskip(cp); /* skip dir. */
413     while (isspace(*cp))
414     *cp++ = '\0';
415     if (*cp) { /* has user? */
416     uname = cp;
417     if (*sskip(cp))
418     badvalue(HOST);
419     }
420     }
421     }
422     if (addpserver(buf, dir, uname, np) == NULL) {
423     if (!nowarn)
424     fprintf(stderr,
425     "%s: cannot execute on host \"%s\"\n",
426     progname, buf);
427     } else
428     npslots += np;
429     }
430     if (npslots == 0) {
431     fprintf(stderr, "%s: no working process servers\n", progname);
432     quit(1);
433     }
434     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
435     if (pslot == NULL) {
436     perror("malloc");
437     quit(1);
438     }
439     }
440    
441    
442 greg 2.7 getradfile(rfargs) /* run rad and get needed variables */
443     char *rfargs;
444 greg 2.1 {
445     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
446     char combuf[256];
447     register int i;
448     register char *cp;
449     /* create rad command */
450     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
451     sprintf(combuf,
452     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
453 greg 2.7 rfargs, rendopt+2);
454 greg 2.1 cp = combuf;
455     while (*cp) cp++; /* match unset variables */
456     for (i = 0; mvar[i] >= 0; i++)
457     if (!vdef(mvar[i])) {
458     *cp++ = '|';
459     strcpy(cp, vnam(mvar[i]));
460     while (*cp) cp++;
461     }
462     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
463     cp += 11; /* point to file name */
464     if (system(combuf)) {
465 greg 2.7 fprintf(stderr, "%s: error executing rad command:\n\t%s\n",
466     progname, combuf);
467 greg 2.1 quit(1);
468     }
469     loadvars(cp); /* load variables and remove file */
470     unlink(cp);
471     }
472    
473    
474     animate() /* run animation */
475     {
476     int xres, yres;
477     float pa, mult;
478     int frames_batch;
479     register int i;
480     double d1, d2;
481     /* compute rpict resolution */
482     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
483     mult = vflt(OVERSAMP);
484     if (i == 3) {
485     sprintf(rresopt, "-x %d -y %d -pa %f", (int)(mult*xres),
486     (int)(mult*yres), pa);
487     sprintf(fresopt, "-x %d -y %d -pa %f", xres, yres, pa);
488     } else if (i) {
489     if (i == 1) yres = xres;
490     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
491     (int)(mult*yres));
492     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
493     } else
494     badvalue(RESOLUTION);
495     /* consistency checks */
496     if (vdef(ANIMATE)) {
497     if (vint(INTERP)) {
498     if (!nowarn)
499     fprintf(stderr,
500     "%s: resetting %s=0 for animation\n",
501     progname, vnam(INTERP));
502     vval(INTERP) = "0";
503     }
504     if (atoi(vval(MBLUR))) { /* can't handle this yet */
505     if (!nowarn)
506     fprintf(stderr,
507     "%s: resetting %s=0 for animation\n",
508     progname, vnam(MBLUR));
509     vval(MBLUR) = "0";
510     }
511     }
512     /* figure # frames per batch */
513     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
514     if ((i=vint(INTERP)) || atoi(vval(MBLUR)))
515 greg 2.13 d1 += mult*xres*mult*yres*sizeof(float); /* Z-buffer */
516 greg 2.1 d2 = xres*yres*4; /* space for final picture */
517     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
518     if (frames_batch < i+2) {
519     fprintf(stderr, "%s: insufficient disk space allocated\n",
520     progname);
521     quit(1);
522     }
523 greg 2.7 /* initialize archive argument list */
524     i = 16;
525     if (vdef(ARCHIVE) && strlen(vval(ARCHIVE)) > i)
526     i = strlen(vval(ARCHIVE));
527     arcnext = arcfirst = arcargs + i;
528 greg 2.1 /* initialize status file */
529     if (astat.rnext == 0)
530     astat.rnext = astat.fnext = astat.tnext = vint(START);
531     putastat();
532     /* render in batches */
533 greg 2.2 while (astat.tnext <= vint(END)) {
534 greg 2.1 renderframes(frames_batch);
535     filterframes();
536     transferframes();
537     }
538     /* mark status as finished */
539     astat.pid = 0;
540     putastat();
541     /* close open files */
542     getview(0);
543     getexp(0);
544     }
545    
546    
547     renderframes(nframes) /* render next nframes frames */
548     int nframes;
549     {
550     static char vendbuf[16];
551     VIEW *vp;
552     FILE *fp = NULL;
553     char vfname[128];
554     int lastframe;
555     register int i;
556    
557     if (astat.tnext < astat.rnext) /* other work to do first */
558     return;
559     /* create batch view file */
560     if (!vdef(ANIMATE)) {
561     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
562     if ((fp = fopen(vfname, "w")) == NULL) {
563     perror(vfname);
564     quit(1);
565     }
566     }
567     /* bound batch properly */
568     lastframe = astat.rnext + nframes - 1;
569     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
570     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
571     if (lastframe > vint(END)) /* check for end */
572     lastframe = vint(END);
573     /* render each view */
574     for (i = astat.rnext; i <= lastframe; i++) {
575     if ((vp = getview(i)) == NULL) {
576     if (!nowarn)
577     fprintf(stderr,
578     "%s: ran out of views before last frame\n",
579     progname);
580     sprintf(vval(END)=vendbuf, "%d", i-1);
581     lastframe = i - 1;
582     break;
583     }
584     if (vdef(ANIMATE)) /* animate frame */
585     animrend(i, vp);
586     else { /* else record it */
587     fputs(VIEWSTR, fp);
588     fprintview(vp, fp);
589     putc('\n', fp);
590     }
591     }
592     if (vdef(ANIMATE)) /* wait for renderings to finish */
593 greg 2.2 bwait(0);
594 greg 2.1 else { /* else if walk-through */
595     fclose(fp); /* close view file */
596     walkwait(astat.rnext, lastframe, vfname); /* walk it */
597     unlink(vfname); /* remove view file */
598     }
599     astat.rnext = i; /* update status */
600     putastat();
601     }
602    
603    
604     filterframes() /* catch up with filtering */
605     {
606     VIEW *vp;
607     register int i;
608    
609     if (astat.tnext < astat.fnext) /* other work to do first */
610     return;
611     /* filter each view */
612     for (i = astat.fnext; i < astat.rnext; i++) {
613     if ((vp = getview(i)) == NULL) { /* get view i */
614     fprintf(stderr,
615     "%s: unexpected error reading view for frame %d\n",
616     progname, i);
617     quit(1);
618     }
619 greg 2.2 dofilt(i, vp, getexp(i), 0); /* filter frame */
620 greg 2.1 }
621 greg 2.2 bwait(0); /* wait for filter processes */
622 greg 2.7 archive(); /* archive originals */
623 greg 2.1 astat.fnext = i; /* update status */
624     putastat();
625     }
626    
627    
628     transferframes() /* catch up with picture transfers */
629     {
630     char combuf[10240];
631     register char *cp;
632     register int i;
633    
634     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
635     return;
636     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
637     astat.tnext = astat.fnext;
638     putastat(); /* update status */
639     return;
640     }
641     strcpy(combuf, vval(TRANSFER)); /* start transfer command */
642     cp = combuf + strlen(combuf);
643     /* make argument list */
644     for (i = astat.tnext; i < astat.fnext; i++) {
645     *cp++ = ' ';
646     sprintf(cp, vval(BASENAME), i);
647     while (*cp) cp++;
648     strcpy(cp, ".pic");
649     cp += 4;
650     }
651     if (runcom(combuf)) { /* transfer frames */
652     fprintf(stderr, "%s: error running transfer command\n",
653     progname);
654     quit(1);
655     }
656     astat.tnext = i; /* update status */
657     putastat();
658     }
659    
660    
661     animrend(frame, vp) /* start animation frame */
662     int frame;
663     VIEW *vp;
664     {
665 greg 2.2 extern int recover();
666 greg 2.1 char combuf[2048];
667     char fname[128];
668    
669     sprintf(fname, vval(BASENAME), frame);
670     strcat(fname, ".unf");
671     if (access(fname, F_OK) == 0)
672     return;
673 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
674 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
675 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
676 greg 2.1 }
677    
678    
679     walkwait(first, last, vfn) /* walk-through frames */
680     int first, last;
681     char *vfn;
682     {
683     char combuf[2048];
684 greg 2.4 char *inspoint;
685 greg 2.1 register int i;
686    
687     if (!noaction && vint(INTERP)) /* create dummy frames */
688     for (i = first; i <= last; i++)
689     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
690     sprintf(combuf, vval(BASENAME), i);
691     strcat(combuf, ".unf");
692     close(open(combuf, O_RDONLY|O_CREAT, 0666));
693     }
694     /* create command */
695 greg 2.4 sprintf(combuf, "rpict%s -w0", rendopt);
696 greg 2.1 if (vint(INTERP) || atoi(vval(MBLUR)))
697 greg 2.4 sprintf(combuf+strlen(combuf), " -z %s.zbf", vval(BASENAME));
698     sprintf(combuf+strlen(combuf), " -o %s.unf %s -S %d",
699     vval(BASENAME), rresopt, first);
700     inspoint = combuf + strlen(combuf);
701     sprintf(inspoint, " %s < %s", vval(OCTREE), vfn);
702 greg 2.2 /* run in parallel */
703 greg 2.7 i = (last-first+1)/(vint(INTERP)+1);
704     if (i < 1) i = 1;
705     if (pruncom(combuf, inspoint, i)) {
706 greg 2.2 fprintf(stderr, "%s: error rendering frames %d through %d\n",
707 greg 2.1 progname, first, last);
708     quit(1);
709     }
710     if (!noaction && vint(INTERP)) /* remove dummy frames */
711     for (i = first; i <= last; i++)
712     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
713     sprintf(combuf, vval(BASENAME), i);
714     strcat(combuf, ".unf");
715     unlink(combuf);
716     }
717     }
718    
719    
720 greg 2.2 int
721 greg 2.1 recover(frame) /* recover the specified frame */
722     int frame;
723     {
724 greg 2.2 static int *rfrm; /* list of recovered frames */
725     static int nrfrms = 0;
726 greg 2.1 char combuf[2048];
727     char fname[128];
728     register char *cp;
729 greg 2.2 register int i;
730     /* check to see if recovered already */
731     for (i = nrfrms; i--; )
732     if (rfrm[i] == frame)
733     return(0);
734     /* build command */
735 greg 2.1 sprintf(fname, vval(BASENAME), frame);
736     if (vdef(ANIMATE))
737 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
738 greg 2.1 vval(ANIMATE), frame, rendopt);
739     else
740 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
741 greg 2.1 cp = combuf + strlen(combuf);
742     if (vint(INTERP) || atoi(vval(MBLUR))) {
743     sprintf(cp, " -z %s.zbf", fname);
744     while (*cp) cp++;
745     }
746     sprintf(cp, " -ro %s.unf", fname);
747     while (*cp) cp++;
748     if (!vdef(ANIMATE)) {
749     *cp++ = ' ';
750     strcpy(cp, vval(OCTREE));
751     }
752 greg 2.2 if (runcom(combuf)) /* run command */
753     return(1);
754     /* add frame to recovered list */
755     if (nrfrms)
756     rfrm = (int *)realloc((char *)rfrm, (nrfrms+1)*sizeof(int));
757     else
758     rfrm = (int *)malloc(sizeof(int));
759     if (rfrm == NULL) {
760     perror("malloc");
761 greg 2.1 quit(1);
762     }
763 greg 2.2 rfrm[nrfrms++] = frame;
764     return(0);
765 greg 2.1 }
766    
767    
768 greg 2.2 int
769     frecover(frame) /* recover filtered frame */
770     int frame;
771     {
772     VIEW *vp;
773     char *ex;
774    
775     vp = getview(frame);
776     ex = getexp(frame);
777     if (dofilt(frame, vp, ex, 2) && dofilt(frame, vp, ex, 1))
778     return(1);
779     return(0);
780     }
781    
782    
783 greg 2.7 archive() /* archive and remove renderings */
784 greg 2.1 {
785 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
786     static char rmcom[] = "rm -f";
787 greg 2.1 register int i;
788    
789 greg 2.7 if (arcnext == arcfirst)
790     return; /* nothing to do */
791 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
792     i = strlen(vval(ARCHIVE));
793 greg 2.7 strncpy(arcfirst-i, vval(ARCHIVE), i);
794     if (runcom(arcfirst-i)) {
795     fprintf(stderr, "%s: error running archive command\n",
796     progname);
797 greg 2.2 quit(1);
798     }
799 greg 2.1 }
800 greg 2.2 /* run remove command */
801 greg 2.7 strncpy(arcfirst-RMCOML, rmcom, RMCOML);
802     runcom(arcfirst-RMCOML);
803     arcnext = arcfirst; /* reset argument list */
804 greg 2.2 #undef RMCOML
805 greg 2.1 }
806    
807    
808 greg 2.2 int
809     dofilt(frame, vp, ep, rvr) /* filter frame */
810 greg 2.1 int frame;
811     VIEW *vp;
812     char *ep;
813 greg 2.2 int rvr;
814 greg 2.1 {
815 greg 2.2 extern int frecover();
816 greg 2.6 static int iter = 0;
817 greg 2.1 char fnbefore[128], fnafter[128];
818 greg 2.6 char combuf[1024], fname0[128], fname1[128];
819 greg 2.7 int usepinterp, usepfilt, nora_rgbe;
820 greg 2.2 int frseq[2];
821 greg 2.1 /* check what is needed */
822     usepinterp = atoi(vval(MBLUR));
823     usepfilt = pfiltalways | ep==NULL;
824 greg 2.7 if (ep != NULL && !strcmp(ep, "1"))
825     ep = "+0";
826     nora_rgbe = strcmp(vval(OVERSAMP),"1") || ep==NULL ||
827     *ep != '+' || *ep != '-' || !isint(ep);
828 greg 2.1 /* compute rendered views */
829 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
830     frseq[1] = frseq[0] + vint(INTERP) + 1;
831     if (frseq[1] > vint(END))
832     frseq[1] = vint(END);
833     if (frseq[1] == frame) { /* pfilt only */
834     frseq[0] = frseq[1];
835 greg 2.1 usepinterp = 0; /* update what's needed */
836 greg 2.7 usepfilt |= nora_rgbe;
837     } else if (frseq[0] == frame) { /* no interpolation needed */
838     if (!rvr && frame > 1+vint(INTERP)) { /* archive previous */
839     *arcnext++ = ' ';
840     sprintf(arcnext, vval(BASENAME), frame-vint(INTERP)-1);
841     while (*arcnext) arcnext++;
842     strcpy(arcnext, ".unf");
843     arcnext += 4;
844 greg 2.13 if (usepinterp || vint(INTERP)) { /* and Z-buf */
845 greg 2.7 *arcnext++ = ' ';
846     sprintf(arcnext, vval(BASENAME),
847     frame-vint(INTERP)-1);
848     while (*arcnext) arcnext++;
849     strcpy(arcnext, ".zbf");
850     arcnext += 4;
851     }
852     }
853     if (!usepinterp) /* update what's needed */
854     usepfilt |= nora_rgbe;
855 greg 2.2 } else /* interpolation needed */
856 greg 2.1 usepinterp++;
857 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
858     frseq[1] = frseq[0];
859     sprintf(fnbefore, vval(BASENAME), frseq[0]);
860     sprintf(fnafter, vval(BASENAME), frseq[1]);
861     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
862     return(1);
863     /* generate command */
864 greg 2.1 if (usepinterp) { /* using pinterp */
865 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
866     return(1);
867 greg 2.1 if (atoi(vval(MBLUR))) {
868     FILE *fp; /* motion blurring */
869 greg 2.6 sprintf(fname0, "%s/vw0%c", vval(DIRECTORY),
870     'a'+(iter%26));
871     if ((fp = fopen(fname0, "w")) == NULL) {
872     perror(fname0); quit(1);
873 greg 2.1 }
874     fputs(VIEWSTR, fp);
875     fprintview(vp, fp);
876     putc('\n', fp); fclose(fp);
877     if ((vp = getview(frame+1)) == NULL) {
878     fprintf(stderr,
879     "%s: unexpected error reading view for frame %d\n",
880     progname, frame+1);
881     quit(1);
882     }
883 greg 2.6 sprintf(fname1, "%s/vw1%c", vval(DIRECTORY),
884     'a'+(iter%26));
885     if ((fp = fopen(fname1, "w")) == NULL) {
886     perror(fname1); quit(1);
887 greg 2.1 }
888     fputs(VIEWSTR, fp);
889     fprintview(vp, fp);
890     putc('\n', fp); fclose(fp);
891     sprintf(combuf,
892 greg 2.6 "(pmblur %s %d %s %s; rm -f %s %s) | pinterp -B",
893 greg 2.2 *sskip(vval(MBLUR)) ? sskip2(vval(MBLUR),1) : "1",
894 greg 2.6 atoi(vval(MBLUR)),
895     fname0, fname1, fname0, fname1);
896     iter++;
897 greg 2.1 } else /* no blurring */
898     strcpy(combuf, "pinterp");
899     strcat(combuf, viewopt(vp));
900     if (vbool(RTRACE))
901 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
902 greg 2.1 rendopt, vval(OCTREE));
903     if (vdef(PINTERP))
904     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
905     if (usepfilt)
906     sprintf(combuf+strlen(combuf), " %s", rresopt);
907     else
908     sprintf(combuf+strlen(combuf), " %s -e %s",
909     fresopt, ep);
910     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
911     fnbefore, fnbefore);
912 greg 2.2 if (frseq[1] != frseq[0])
913 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
914     fnafter, fnafter);
915     if (usepfilt) { /* also pfilt */
916     if (vdef(PFILT))
917     sprintf(combuf+strlen(combuf), " | pfilt %s",
918     vval(PFILT));
919     else
920     strcat(combuf, " | pfilt");
921     if (ep != NULL)
922     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
923     ep, fresopt);
924     else
925     sprintf(combuf+strlen(combuf), " %s", fresopt);
926     }
927     } else if (usepfilt) { /* pfilt only */
928 greg 2.2 if (rvr == 2)
929     return(1);
930 greg 2.1 if (vdef(PFILT))
931     sprintf(combuf, "pfilt %s", vval(PFILT));
932     else
933     strcpy(combuf, "pfilt");
934     if (ep != NULL)
935     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
936     ep, fresopt, fnbefore);
937     else
938     sprintf(combuf+strlen(combuf), " %s %s.unf",
939     fresopt, fnbefore);
940     } else { /* else just check it */
941 greg 2.2 if (rvr == 2)
942     return(1);
943 greg 2.7 sprintf(combuf, "ra_rgbe -e %s -r %s.unf", ep, fnbefore);
944 greg 2.1 }
945     /* output file name */
946 greg 2.6 sprintf(fname0, vval(BASENAME), frame);
947     sprintf(combuf+strlen(combuf), " > %s.pic", fname0);
948 greg 2.2 if (rvr) /* in recovery */
949     return(runcom(combuf));
950     bruncom(combuf, frame, frecover); /* else run in background */
951     return(0);
952 greg 2.1 }
953    
954    
955     VIEW *
956     getview(n) /* get view number n */
957     int n;
958     {
959     static FILE *viewfp = NULL; /* view file pointer */
960     static int viewnum = 0; /* current view number */
961     static VIEW curview = STDVIEW; /* current view */
962     char linebuf[256];
963    
964     if (n == 0) { /* signal to close file and clean up */
965     if (viewfp != NULL) {
966     fclose(viewfp);
967     viewfp = NULL;
968     viewnum = 0;
969     copystruct(&curview, &stdview);
970     }
971     return(NULL);
972     }
973     if (viewfp == NULL) { /* open file */
974     if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
975     perror(vval(VIEWFILE));
976     quit(1);
977     }
978     } else if (n < viewnum) { /* rewind file */
979 greg 2.8 if (viewnum == 1 && feof(viewfp))
980     return(&curview); /* just one view */
981 greg 2.1 if (fseek(viewfp, 0L, 0) == EOF) {
982     perror(vval(VIEWFILE));
983     quit(1);
984     }
985     copystruct(&curview, &stdview);
986     viewnum = 0;
987     }
988     while (n > viewnum) { /* scan to desired view */
989     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
990 greg 2.15 return(viewnum==1 ? &curview : (VIEW *)NULL);
991 greg 2.1 if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
992     viewnum++;
993     }
994     return(&curview); /* return it */
995     }
996    
997    
998     int
999     countviews() /* count views in view file */
1000     {
1001     register int n = 0;
1002    
1003     while (getview(n+1) != NULL)
1004     n++;
1005     return(n);
1006     }
1007    
1008    
1009     char *
1010     getexp(n) /* get exposure for nth frame */
1011     int n;
1012     {
1013     extern char *fskip();
1014     static char expval[32];
1015     static FILE *expfp = NULL;
1016     static long *exppos;
1017     static int curfrm;
1018     register char *cp;
1019    
1020     if (n == 0) { /* signal to close file */
1021     if (expfp != NULL) {
1022     fclose(expfp);
1023 greg 2.14 free((char *)exppos);
1024 greg 2.1 expfp = NULL;
1025     }
1026     return(NULL);
1027 greg 2.14 } else if (n > vint(END)) /* request past end (error?) */
1028     return(NULL);
1029 greg 2.1 if (!vdef(EXPOSURE)) /* no setting (auto) */
1030     return(NULL);
1031     if (isflt(vval(EXPOSURE))) /* always the same */
1032     return(vval(EXPOSURE));
1033     if (expfp == NULL) { /* open exposure file */
1034     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
1035     fprintf(stderr,
1036     "%s: cannot open exposure file \"%s\"\n",
1037     progname, vval(EXPOSURE));
1038     quit(1);
1039     }
1040     curfrm = vint(END) + 1; /* init lookup tab. */
1041     exppos = (long *)malloc(curfrm*sizeof(long *));
1042     if (exppos == NULL) {
1043     perror(progname);
1044     quit(1);
1045     }
1046     while (curfrm--)
1047     exppos[curfrm] = -1L;
1048     curfrm = 0;
1049     }
1050     /* find position in file */
1051     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1052     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1053     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1054     quit(1);
1055     }
1056     while (n > curfrm) { /* read exposure */
1057     if (exppos[curfrm] < 0)
1058     exppos[curfrm] = ftell(expfp);
1059     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1060     fprintf(stderr, "%s: too few exposures\n",
1061     vval(EXPOSURE));
1062     quit(1);
1063     }
1064     curfrm++;
1065     cp = fskip(expval); /* check format */
1066 greg 2.14 if (cp != NULL)
1067     while (isspace(*cp))
1068     *cp++ = '\0';
1069     if (cp == NULL || *cp) {
1070 greg 2.1 fprintf(stderr,
1071     "%s: exposure format error on line %d\n",
1072     vval(EXPOSURE), curfrm);
1073     quit(1);
1074     }
1075     }
1076     return(expval); /* return value */
1077     }
1078    
1079    
1080 greg 2.2 struct pslot *
1081     findpslot(pid) /* find or allocate a process slot */
1082     int pid;
1083     {
1084     register struct pslot *psempty = NULL;
1085     register int i;
1086    
1087     for (i = 0; i < npslots; i++) { /* look for match */
1088     if (pslot[i].pid == pid)
1089     return(pslot+i);
1090     if (psempty == NULL && pslot[i].pid == 0)
1091     psempty = pslot+i;
1092     }
1093     return(psempty); /* return emtpy slot (error if NULL) */
1094     }
1095    
1096    
1097     int
1098     donecom(ps, pn, status) /* clean up after finished process */
1099     PSERVER *ps;
1100     int pn;
1101     int status;
1102     {
1103     register PROC *pp;
1104    
1105     pp = ps->proc + pn;
1106 greg 2.3 if (pp->elen) { /* pass errors */
1107 greg 2.2 if (ps->hostname[0])
1108 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1109     fprintf(stderr, "Error output from: %s\n", pp->com);
1110 greg 2.2 fputs(pp->errs, stderr);
1111     fflush(stderr);
1112     if (ps->hostname[0])
1113     status = 1; /* because rsh doesn't return status */
1114     }
1115     freestr(pp->com); /* free command string */
1116     lastpid = pp->pid; /* record PID for bwait() */
1117     lastpserver = ps; /* record server for serverdown() */
1118     return(status);
1119     }
1120    
1121    
1122     int
1123     serverdown() /* check status of last process server */
1124     {
1125     if (pserverOK(lastpserver)) /* server still up? */
1126     return(0);
1127     delpserver(lastpserver); /* else delete it */
1128     if (pslist == NULL) {
1129     fprintf(stderr, "%s: all process servers are down\n",
1130     progname);
1131     quit(1);
1132     }
1133     return(1);
1134     }
1135    
1136    
1137     int
1138     bruncom(com, fout, rf) /* run a command in the background */
1139     char *com;
1140     int fout;
1141     int (*rf)();
1142     {
1143     int pid;
1144     register struct pslot *psl;
1145    
1146 greg 2.5 if (noaction) {
1147     if (!silent)
1148     printf("\t%s\n", com); /* echo command */
1149 greg 2.2 return(0);
1150 greg 2.5 }
1151 greg 2.2 /* else start it when we can */
1152     while ((pid = startjob(NULL, savestr(com), donecom)) == -1)
1153     bwait(1);
1154 greg 2.5 if (!silent) { /* echo command */
1155 greg 2.3 PSERVER *ps;
1156     int psn = pid;
1157 greg 2.4 ps = findjob(&psn);
1158 greg 2.5 printf("\t%s\n", com);
1159 greg 2.4 printf("\tProcess started on %s\n", phostname(ps));
1160 greg 2.3 fflush(stdout);
1161     }
1162 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1163     psl->pid = pid;
1164     psl->fout = fout;
1165     psl->rcvf = rf;
1166     return(pid);
1167     }
1168    
1169    
1170     bwait(ncoms) /* wait for batch job(s) to finish */
1171     int ncoms;
1172     {
1173     int status;
1174     register struct pslot *psl;
1175    
1176     if (noaction)
1177     return;
1178     while ((status = wait4job(NULL, -1)) != -1) {
1179     psl = findpslot(lastpid);
1180     if (status) { /* attempt recovery */
1181     serverdown(); /* check server */
1182     if (psl->rcvf == NULL || (*psl->rcvf)(psl->fout)) {
1183     fprintf(stderr,
1184     "%s: error rendering frame %d\n",
1185     progname, psl->fout);
1186     quit(1);
1187     }
1188     }
1189     psl->pid = 0; /* free process slot */
1190     if (!--ncoms)
1191     return; /* done enough */
1192     }
1193     }
1194    
1195    
1196     int
1197 greg 2.4 pruncom(com, ppins, maxcopies) /* run a command in parallel over network */
1198     char *com, *ppins;
1199 greg 2.2 int maxcopies;
1200     {
1201     int retstatus = 0;
1202 greg 2.3 int hostcopies;
1203 greg 2.4 char com1buf[10240], *com1, *endcom1;
1204 greg 2.2 int status;
1205     register PSERVER *ps;
1206    
1207 greg 2.3 if (!silent)
1208 greg 2.6 printf("\t%s\n", com); /* echo command */
1209 greg 2.3 if (noaction)
1210 greg 2.2 return(0);
1211 greg 2.3 fflush(stdout);
1212 greg 2.2 /* start jobs on each server */
1213 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1214     hostcopies = 0;
1215 greg 2.4 if (maxcopies > 1 && ps->nprocs > 1 && ppins != NULL) {
1216     strcpy(com1=com1buf, com); /* build -PP command */
1217     sprintf(com1+(ppins-com), " -PP %s/%s.persist",
1218     vval(DIRECTORY), phostname(ps));
1219     strcat(com1, ppins);
1220     endcom1 = com1 + strlen(com1);
1221     sprintf(endcom1, "; kill `sed -n '1s/^[^ ]* //p' %s/%s.persist`",
1222     vval(DIRECTORY), phostname(ps));
1223     } else {
1224     com1 = com;
1225     endcom1 = NULL;
1226     }
1227 greg 2.2 while (maxcopies > 0 &&
1228 greg 2.4 startjob(ps, savestr(com1), donecom) != -1) {
1229 greg 2.2 sleep(10);
1230 greg 2.3 hostcopies++;
1231 greg 2.2 maxcopies--;
1232 greg 2.4 if (endcom1 != NULL)
1233     *endcom1 = '\0';
1234 greg 2.2 }
1235 greg 2.3 if (!silent && hostcopies) {
1236     if (hostcopies > 1)
1237     printf("\t%d duplicate processes", hostcopies);
1238     else
1239     printf("\tProcess");
1240 greg 2.4 printf(" started on %s\n", phostname(ps));
1241 greg 2.3 fflush(stdout);
1242     }
1243     }
1244 greg 2.2 /* wait for jobs to finish */
1245     while ((status = wait4job(NULL, -1)) != -1)
1246     if (status)
1247     retstatus += !serverdown(); /* check server */
1248     return(retstatus);
1249     }
1250    
1251    
1252     runcom(cs) /* run a command locally and wait for it */
1253 greg 2.1 char *cs;
1254     {
1255     if (!silent) /* echo it */
1256     printf("\t%s\n", cs);
1257     if (noaction)
1258     return(0);
1259     fflush(stdout); /* flush output and pass to shell */
1260     return(system(cs));
1261     }
1262    
1263    
1264     rmfile(fn) /* remove a file */
1265     char *fn;
1266     {
1267     if (!silent)
1268     #ifdef MSDOS
1269     printf("\tdel %s\n", fn);
1270     #else
1271     printf("\trm -f %s\n", fn);
1272     #endif
1273     if (noaction)
1274     return(0);
1275     return(unlink(fn));
1276     }
1277    
1278    
1279     badvalue(vc) /* report bad variable value and exit */
1280     int vc;
1281     {
1282     fprintf(stderr, "%s: bad value for variable '%s'\n",
1283     progname, vnam(vc));
1284     quit(1);
1285     }