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root/radiance/ray/src/util/ranimate.c
Revision: 2.3
Committed: Fri Jan 19 17:24:19 1996 UTC (28 years, 3 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.2: +33 -15 lines
Log Message:
improved process recording

File Contents

# User Rev Content
1 greg 2.1 /* Copyright (c) 1995 Regents of the University of California */
2    
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 2.1 /* input variables */
19     #define HOST 0 /* rendering host machine */
20     #define RENDER 1 /* rendering options */
21     #define PFILT 2 /* pfilt options */
22     #define PINTERP 3 /* pinterp options */
23     #define OCTREE 4 /* octree file name */
24     #define DIRECTORY 5 /* working (sub)directory */
25     #define BASENAME 6 /* output image base name */
26     #define VIEWFILE 7 /* animation frame views */
27     #define START 8 /* starting frame number */
28     #define END 9 /* ending frame number */
29     #define RIF 10 /* rad input file */
30     #define NEXTANIM 11 /* next animation file */
31     #define ANIMATE 12 /* animation command */
32     #define TRANSFER 13 /* frame transfer command */
33     #define ARCHIVE 14 /* archiving command */
34     #define INTERP 15 /* # frames to interpolate */
35     #define OVERSAMP 16 /* # times to oversample image */
36     #define MBLUR 17 /* samples for motion blur */
37     #define RTRACE 18 /* use rtrace with pinterp? */
38     #define DISKSPACE 19 /* how much disk space to use */
39     #define RESOLUTION 20 /* desired final resolution */
40     #define EXPOSURE 21 /* how to compute exposure */
41    
42     int NVARS = 22; /* total number of variables */
43    
44     VARIABLE vv[] = { /* variable-value pairs */
45     {"host", 4, 0, NULL, NULL},
46     {"render", 3, 0, NULL, catvalues},
47     {"pfilt", 2, 0, NULL, catvalues},
48     {"pinterp", 2, 0, NULL, catvalues},
49     {"OCTREE", 3, 0, NULL, onevalue},
50     {"DIRECTORY", 3, 0, NULL, onevalue},
51     {"BASENAME", 3, 0, NULL, onevalue},
52     {"VIEWFILE", 2, 0, NULL, onevalue},
53     {"START", 2, 0, NULL, intvalue},
54     {"END", 2, 0, NULL, intvalue},
55     {"RIF", 3, 0, NULL, onevalue},
56     {"NEXTANIM", 3, 0, NULL, onevalue},
57     {"ANIMATE", 2, 0, NULL, onevalue},
58     {"TRANSFER", 2, 0, NULL, onevalue},
59     {"ARCHIVE", 2, 0, NULL, onevalue},
60     {"INTERP", 3, 0, NULL, intvalue},
61     {"OVERSAMP", 2, 0, NULL, fltvalue},
62     {"MBLUR", 2, 0, NULL, onevalue},
63     {"RTRACE", 2, 0, NULL, boolvalue},
64     {"DISKSPACE", 3, 0, NULL, fltvalue},
65     {"RESOLUTION", 3, 0, NULL, onevalue},
66     {"EXPOSURE", 3, 0, NULL, onevalue},
67     };
68    
69     #define SFNAME "STATUS" /* status file name */
70    
71     struct {
72     char host[64]; /* control host name */
73     int pid; /* control process id */
74     char cfname[128]; /* control file name */
75     int rnext; /* next frame to render */
76     int fnext; /* next frame to filter */
77     int tnext; /* next frame to transfer */
78     } astat; /* animation status */
79    
80     char *progname; /* our program name */
81     char *cfname; /* our control file name */
82    
83     int nowarn = 0; /* turn warnings off? */
84     int silent = 0; /* silent mode? */
85     int noaction = 0; /* take no action? */
86    
87     char rendopt[2048] = ""; /* rendering options */
88     char rresopt[32]; /* rendering resolution options */
89     char fresopt[32]; /* filter resolution options */
90     int pfiltalways; /* always use pfilt? */
91    
92 greg 2.2 struct pslot {
93     int pid; /* process ID (0 if empty) */
94     int fout; /* output frame number */
95     int (*rcvf)(); /* recover function */
96     } *pslot; /* process slots */
97     int npslots; /* number of process slots */
98    
99     int lastpid; /* ID of last completed background process */
100     PSERVER *lastpserver; /* last process server used */
101    
102     struct pslot *findpslot();
103    
104 greg 2.1 VIEW *getview();
105     char *getexp();
106    
107    
108     main(argc, argv)
109     int argc;
110     char *argv[];
111     {
112     int explicate = 0;
113     int i;
114    
115     progname = argv[0]; /* get arguments */
116     for (i = 1; i < argc && argv[i][0] == '-'; i++)
117     switch (argv[i][1]) {
118     case 'e': /* print variables */
119     explicate++;
120     break;
121     case 'w': /* turn off warnings */
122     nowarn++;
123     break;
124     case 's': /* silent mode */
125     silent++;
126     break;
127     case 'n': /* take no action */
128     noaction++;
129     break;
130     default:
131     goto userr;
132     }
133     if (i != argc-1)
134     goto userr;
135     cfname = argv[i];
136     /* load variables */
137     loadvars(cfname);
138     /* did we get DIRECTORY? */
139     checkdir();
140     /* check status */
141     if (getastat() < 0) {
142     fprintf(stderr, "%s: exiting\n", progname);
143     quit(1);
144     }
145     /* pfilt always if options given */
146     pfiltalways = vdef(PFILT);
147     /* load RIF if any */
148     if (vdef(RIF))
149     getradfile(vval(RIF));
150     /* set defaults */
151     setdefaults();
152     /* print variables */
153     if (explicate)
154     printvars(stdout);
155 greg 2.2 /* set up process servers */
156     sethosts();
157 greg 2.1 /* run animation */
158     animate();
159     /* all done */
160     if (vdef(NEXTANIM)) {
161     argv[i] = vval(NEXTANIM); /* just change input file */
162     if (!silent)
163     printargs(argc, argv, stdout);
164 greg 2.2 execvp(progname, argv); /* pass to next */
165     quit(1); /* shouldn't return */
166 greg 2.1 }
167     quit(0);
168     userr:
169     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
170     quit(1);
171     }
172    
173    
174     getastat() /* check/set animation status */
175     {
176     char buf[256];
177     FILE *fp;
178    
179     sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
180     if ((fp = fopen(buf, "r")) == NULL) {
181     if (errno != ENOENT) {
182     perror(buf);
183     return(-1);
184     }
185     astat.rnext = astat.fnext = astat.tnext = 0;
186     goto setours;
187     }
188     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
189     goto fmterr;
190     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
191     goto fmterr;
192     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
193     goto fmterr;
194     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
195     goto fmterr;
196     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
197     goto fmterr;
198     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
199     goto fmterr;
200     fclose(fp);
201     if (astat.pid != 0) { /* thinks it's still running */
202     gethostname(buf, sizeof(buf));
203     if (strcmp(buf, astat.host)) {
204     fprintf(stderr,
205     "%s: process %d may still be running on host %s\n",
206     progname, astat.pid, astat.host);
207     return(-1);
208     }
209     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
210     fprintf(stderr, "%s: process %d is still running\n",
211     progname, astat.pid);
212     return(-1);
213     }
214     /* assume it is dead */
215     }
216     if (strcmp(cfname, astat.cfname) && astat.tnext != 0) { /* other's */
217     fprintf(stderr, "%s: unfinished job \"%s\"\n",
218     progname, astat.cfname);
219     return(-1);
220     }
221     setours: /* set our values */
222     gethostname(astat.host, sizeof(astat.host));
223     astat.pid = getpid();
224     strcpy(astat.cfname, cfname);
225     return(0);
226     fmterr:
227     fprintf(stderr, "%s: format error in status file \"%s\"\n",
228     progname, buf);
229     fclose(fp);
230     return(-1);
231     }
232    
233    
234     putastat() /* put out current status */
235     {
236     char buf[256];
237     FILE *fp;
238    
239 greg 2.2 if (noaction)
240     return;
241 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
242     if ((fp = fopen(buf, "w")) == NULL) {
243     perror(buf);
244     quit(1);
245     }
246     fprintf(fp, "Control host: %s\n", astat.host);
247     fprintf(fp, "Control PID: %d\n", astat.pid);
248     fprintf(fp, "Control file: %s\n", astat.cfname);
249     fprintf(fp, "Next render: %d\n", astat.rnext);
250     fprintf(fp, "Next filter: %d\n", astat.fnext);
251     fprintf(fp, "Next transfer: %d\n", astat.tnext);
252     fclose(fp);
253     }
254    
255    
256     checkdir() /* make sure we have our directory */
257     {
258     struct stat stb;
259    
260     if (!vdef(DIRECTORY)) {
261     fprintf(stderr, "%s: %s undefined\n",
262     progname, vnam(DIRECTORY));
263     quit(1);
264     }
265     if (stat(vval(DIRECTORY), &stb) == -1) {
266     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
267     return;
268     perror(vval(DIRECTORY));
269     quit(1);
270     }
271     if (!(stb.st_mode & S_IFDIR)) {
272     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
273     quit(1);
274     }
275     }
276    
277    
278     setdefaults() /* set default values */
279     {
280     char buf[256];
281    
282 greg 2.2 if (vdef(ANIMATE)) {
283     vval(OCTREE) = NULL;
284     vdef(OCTREE) = 0;
285     } else if (!vdef(OCTREE)) {
286 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
287     progname, vnam(OCTREE), vnam(ANIMATE));
288     quit(1);
289     }
290     if (!vdef(VIEWFILE)) {
291     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
292     quit(1);
293     }
294 greg 2.2 if (!vdef(HOST)) {
295     vval(HOST) = LHOSTNAME;
296     vdef(HOST)++;
297     }
298 greg 2.1 if (!vdef(START)) {
299     vval(START) = "1";
300     vdef(START)++;
301     }
302     if (!vdef(END)) {
303     sprintf(buf, "%d", countviews());
304     vval(END) = savqstr(buf);
305     vdef(END)++;
306     }
307     if (!vdef(BASENAME)) {
308     sprintf(buf, "%s/frame%%03d", vval(DIRECTORY));
309     vval(BASENAME) = savqstr(buf);
310     vdef(BASENAME)++;
311     }
312     if (!vdef(RESOLUTION)) {
313     vval(RESOLUTION) = "640";
314     vdef(RESOLUTION)++;
315     }
316     if (!vdef(OVERSAMP)) {
317     vval(OVERSAMP) = "2";
318     vdef(OVERSAMP)++;
319     }
320     if (!vdef(INTERP)) {
321     vval(INTERP) = "0";
322     vdef(INTERP)++;
323     }
324     if (!vdef(MBLUR)) {
325     vval(MBLUR) = "0";
326     vdef(MBLUR)++;
327     }
328     if (!vdef(RTRACE)) {
329     vval(RTRACE) = "F";
330     vdef(RTRACE)++;
331     }
332     if (!vdef(DISKSPACE)) {
333     if (!nowarn)
334     fprintf(stderr,
335     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
336     progname, vnam(DISKSPACE));
337     vval(DISKSPACE) = "100";
338     vdef(DISKSPACE)++;
339     }
340     /* append rendering options */
341     if (vdef(RENDER))
342     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
343     }
344    
345    
346 greg 2.2 sethosts() /* set up process servers */
347     {
348     extern char *iskip();
349     char buf[256], *dir, *uname;
350     int np;
351     register char *cp;
352     int i;
353    
354     npslots = 0;
355     if (noaction)
356     return;
357     for (i = 0; i < vdef(HOST); i++) { /* add each host */
358     dir = uname = NULL;
359     np = 1;
360     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
361     cp = sskip(cp); /* skip host name */
362     while (isspace(*cp))
363     *cp++ = '\0';
364     if (*cp) { /* has # processes? */
365     np = atoi(cp);
366     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
367     badvalue(HOST);
368     while (isspace(*cp))
369     cp++;
370     if (*cp) { /* has directory? */
371     dir = cp;
372     cp = sskip(cp); /* skip dir. */
373     while (isspace(*cp))
374     *cp++ = '\0';
375     if (*cp) { /* has user? */
376     uname = cp;
377     if (*sskip(cp))
378     badvalue(HOST);
379     }
380     }
381     }
382     if (addpserver(buf, dir, uname, np) == NULL) {
383     if (!nowarn)
384     fprintf(stderr,
385     "%s: cannot execute on host \"%s\"\n",
386     progname, buf);
387     } else
388     npslots += np;
389     }
390     if (npslots == 0) {
391     fprintf(stderr, "%s: no working process servers\n", progname);
392     quit(1);
393     }
394     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
395     if (pslot == NULL) {
396     perror("malloc");
397     quit(1);
398     }
399     }
400    
401    
402 greg 2.1 getradfile(rfname) /* run rad and get needed variables */
403     char *rfname;
404     {
405     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
406     char combuf[256];
407     register int i;
408     register char *cp;
409     /* create rad command */
410     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
411     sprintf(combuf,
412     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
413     rfname, rendopt+2);
414     cp = combuf;
415     while (*cp) cp++; /* match unset variables */
416     for (i = 0; mvar[i] >= 0; i++)
417     if (!vdef(mvar[i])) {
418     *cp++ = '|';
419     strcpy(cp, vnam(mvar[i]));
420     while (*cp) cp++;
421     }
422     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
423     cp += 11; /* point to file name */
424     if (system(combuf)) {
425     fprintf(stderr, "%s: bad rad input file \"%s\"\n",
426     progname, rfname);
427     quit(1);
428     }
429     loadvars(cp); /* load variables and remove file */
430     unlink(cp);
431     }
432    
433    
434     animate() /* run animation */
435     {
436     int xres, yres;
437     float pa, mult;
438     int frames_batch;
439     register int i;
440     double d1, d2;
441     /* compute rpict resolution */
442     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
443     mult = vflt(OVERSAMP);
444     if (i == 3) {
445     sprintf(rresopt, "-x %d -y %d -pa %f", (int)(mult*xres),
446     (int)(mult*yres), pa);
447     sprintf(fresopt, "-x %d -y %d -pa %f", xres, yres, pa);
448     } else if (i) {
449     if (i == 1) yres = xres;
450     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
451     (int)(mult*yres));
452     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
453     } else
454     badvalue(RESOLUTION);
455     /* consistency checks */
456     if (vdef(ANIMATE)) {
457     if (vint(INTERP)) {
458     if (!nowarn)
459     fprintf(stderr,
460     "%s: resetting %s=0 for animation\n",
461     progname, vnam(INTERP));
462     vval(INTERP) = "0";
463     }
464     if (atoi(vval(MBLUR))) { /* can't handle this yet */
465     if (!nowarn)
466     fprintf(stderr,
467     "%s: resetting %s=0 for animation\n",
468     progname, vnam(MBLUR));
469     vval(MBLUR) = "0";
470     }
471     }
472     /* figure # frames per batch */
473     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
474     if ((i=vint(INTERP)) || atoi(vval(MBLUR)))
475     d1 += mult*xres*mult*yres*4; /* space for z-buffer */
476     d2 = xres*yres*4; /* space for final picture */
477     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
478     if (frames_batch < i+2) {
479     fprintf(stderr, "%s: insufficient disk space allocated\n",
480     progname);
481     quit(1);
482     }
483     /* initialize status file */
484     if (astat.rnext == 0)
485     astat.rnext = astat.fnext = astat.tnext = vint(START);
486     putastat();
487     /* render in batches */
488 greg 2.2 while (astat.tnext <= vint(END)) {
489 greg 2.1 renderframes(frames_batch);
490     filterframes();
491     transferframes();
492     }
493     /* mark status as finished */
494     astat.pid = 0;
495     putastat();
496     /* close open files */
497     getview(0);
498     getexp(0);
499     }
500    
501    
502     renderframes(nframes) /* render next nframes frames */
503     int nframes;
504     {
505     static char vendbuf[16];
506     VIEW *vp;
507     FILE *fp = NULL;
508     char vfname[128];
509     int lastframe;
510     register int i;
511    
512     if (astat.tnext < astat.rnext) /* other work to do first */
513     return;
514     /* create batch view file */
515     if (!vdef(ANIMATE)) {
516     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
517     if ((fp = fopen(vfname, "w")) == NULL) {
518     perror(vfname);
519     quit(1);
520     }
521     }
522     /* bound batch properly */
523     lastframe = astat.rnext + nframes - 1;
524     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
525     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
526     if (lastframe > vint(END)) /* check for end */
527     lastframe = vint(END);
528     /* render each view */
529     for (i = astat.rnext; i <= lastframe; i++) {
530     if ((vp = getview(i)) == NULL) {
531     if (!nowarn)
532     fprintf(stderr,
533     "%s: ran out of views before last frame\n",
534     progname);
535     sprintf(vval(END)=vendbuf, "%d", i-1);
536     lastframe = i - 1;
537     break;
538     }
539     if (vdef(ANIMATE)) /* animate frame */
540     animrend(i, vp);
541     else { /* else record it */
542     fputs(VIEWSTR, fp);
543     fprintview(vp, fp);
544     putc('\n', fp);
545     }
546     }
547     if (vdef(ANIMATE)) /* wait for renderings to finish */
548 greg 2.2 bwait(0);
549 greg 2.1 else { /* else if walk-through */
550     fclose(fp); /* close view file */
551     walkwait(astat.rnext, lastframe, vfname); /* walk it */
552     unlink(vfname); /* remove view file */
553     }
554     astat.rnext = i; /* update status */
555     putastat();
556     }
557    
558    
559     filterframes() /* catch up with filtering */
560     {
561     VIEW *vp;
562     register int i;
563    
564     if (astat.tnext < astat.fnext) /* other work to do first */
565     return;
566     /* filter each view */
567     for (i = astat.fnext; i < astat.rnext; i++) {
568     if ((vp = getview(i)) == NULL) { /* get view i */
569     fprintf(stderr,
570     "%s: unexpected error reading view for frame %d\n",
571     progname, i);
572     quit(1);
573     }
574 greg 2.2 dofilt(i, vp, getexp(i), 0); /* filter frame */
575 greg 2.1 }
576 greg 2.2 bwait(0); /* wait for filter processes */
577     archive(astat.fnext, i-1); /* archive originals */
578 greg 2.1 astat.fnext = i; /* update status */
579     putastat();
580     }
581    
582    
583     transferframes() /* catch up with picture transfers */
584     {
585     char combuf[10240];
586     register char *cp;
587     register int i;
588    
589     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
590     return;
591     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
592     astat.tnext = astat.fnext;
593     putastat(); /* update status */
594     return;
595     }
596     strcpy(combuf, vval(TRANSFER)); /* start transfer command */
597     cp = combuf + strlen(combuf);
598     /* make argument list */
599     for (i = astat.tnext; i < astat.fnext; i++) {
600     *cp++ = ' ';
601     sprintf(cp, vval(BASENAME), i);
602     while (*cp) cp++;
603     strcpy(cp, ".pic");
604     cp += 4;
605     }
606     if (runcom(combuf)) { /* transfer frames */
607     fprintf(stderr, "%s: error running transfer command\n",
608     progname);
609     quit(1);
610     }
611     astat.tnext = i; /* update status */
612     putastat();
613     }
614    
615    
616     animrend(frame, vp) /* start animation frame */
617     int frame;
618     VIEW *vp;
619     {
620 greg 2.2 extern int recover();
621 greg 2.1 char combuf[2048];
622     char fname[128];
623    
624     sprintf(fname, vval(BASENAME), frame);
625     strcat(fname, ".unf");
626     if (access(fname, F_OK) == 0)
627     return;
628 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
629 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
630 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
631 greg 2.1 }
632    
633    
634     walkwait(first, last, vfn) /* walk-through frames */
635     int first, last;
636     char *vfn;
637     {
638     char combuf[2048];
639     register int i;
640    
641     if (!noaction && vint(INTERP)) /* create dummy frames */
642     for (i = first; i <= last; i++)
643     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
644     sprintf(combuf, vval(BASENAME), i);
645     strcat(combuf, ".unf");
646     close(open(combuf, O_RDONLY|O_CREAT, 0666));
647     }
648     /* create command */
649 greg 2.2 sprintf(combuf, "rpict%s -w0 ", rendopt);
650 greg 2.1 if (vint(INTERP) || atoi(vval(MBLUR)))
651     sprintf(combuf+strlen(combuf), "-z %s.zbf ", vval(BASENAME));
652     sprintf(combuf+strlen(combuf), "-o %s.unf %s -S %d %s < %s",
653     vval(BASENAME), rresopt, first, vval(OCTREE), vfn);
654 greg 2.2 /* run in parallel */
655     if (pruncom(combuf, (last-first+1)/(vint(INTERP)+1))) {
656     fprintf(stderr, "%s: error rendering frames %d through %d\n",
657 greg 2.1 progname, first, last);
658     quit(1);
659     }
660     if (!noaction && vint(INTERP)) /* remove dummy frames */
661     for (i = first; i <= last; i++)
662     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
663     sprintf(combuf, vval(BASENAME), i);
664     strcat(combuf, ".unf");
665     unlink(combuf);
666     }
667     }
668    
669    
670 greg 2.2 int
671 greg 2.1 recover(frame) /* recover the specified frame */
672     int frame;
673     {
674 greg 2.2 static int *rfrm; /* list of recovered frames */
675     static int nrfrms = 0;
676 greg 2.1 char combuf[2048];
677     char fname[128];
678     register char *cp;
679 greg 2.2 register int i;
680     /* check to see if recovered already */
681     for (i = nrfrms; i--; )
682     if (rfrm[i] == frame)
683     return(0);
684     /* build command */
685 greg 2.1 sprintf(fname, vval(BASENAME), frame);
686     if (vdef(ANIMATE))
687 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
688 greg 2.1 vval(ANIMATE), frame, rendopt);
689     else
690 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
691 greg 2.1 cp = combuf + strlen(combuf);
692     if (vint(INTERP) || atoi(vval(MBLUR))) {
693     sprintf(cp, " -z %s.zbf", fname);
694     while (*cp) cp++;
695     }
696     sprintf(cp, " -ro %s.unf", fname);
697     while (*cp) cp++;
698     if (!vdef(ANIMATE)) {
699     *cp++ = ' ';
700     strcpy(cp, vval(OCTREE));
701     }
702 greg 2.2 if (runcom(combuf)) /* run command */
703     return(1);
704     /* add frame to recovered list */
705     if (nrfrms)
706     rfrm = (int *)realloc((char *)rfrm, (nrfrms+1)*sizeof(int));
707     else
708     rfrm = (int *)malloc(sizeof(int));
709     if (rfrm == NULL) {
710     perror("malloc");
711 greg 2.1 quit(1);
712     }
713 greg 2.2 rfrm[nrfrms++] = frame;
714     return(0);
715 greg 2.1 }
716    
717    
718 greg 2.2 int
719     frecover(frame) /* recover filtered frame */
720     int frame;
721     {
722     VIEW *vp;
723     char *ex;
724    
725     vp = getview(frame);
726     ex = getexp(frame);
727     if (dofilt(frame, vp, ex, 2) && dofilt(frame, vp, ex, 1))
728     return(1);
729     return(0);
730     }
731    
732    
733     archive(first, last) /* archive and remove renderings */
734 greg 2.1 int first, last;
735     {
736 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
737     static char rmcom[] = "rm -f";
738     int offset = RMCOML;
739 greg 2.1 char combuf[10240];
740     struct stat stb;
741     register char *cp;
742     register int i;
743    
744 greg 2.2 if (noaction)
745     return;
746     if (vdef(ARCHIVE) && strlen(vval(ARCHIVE)) > offset)
747     offset = strlen(vval(ARCHIVE));
748     cp = combuf + offset;
749 greg 2.1 *cp++ = ' '; /* make argument list */
750     for (i = first; i <= last; i++) {
751     sprintf(cp, vval(BASENAME), i);
752     strcat(cp, ".unf");
753     if (stat(cp, &stb) == 0 && stb.st_size > 0) { /* non-zero? */
754     while (*cp) cp++;
755     *cp++ = ' ';
756     sprintf(cp, vval(BASENAME), i);
757     strcat(cp, ".zbf");
758     if (access(cp, F_OK) == 0) { /* exists? */
759     while (*cp) cp++;
760     *cp++ = ' ';
761     }
762     }
763     }
764     *--cp = '\0';
765     if (cp <= combuf + offset) /* no files? */
766     return;
767 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
768     i = strlen(vval(ARCHIVE));
769     strncpy(combuf+offset-i, vval(ARCHIVE), i);
770     if (runcom(combuf+offset-i)) {
771     fprintf(stderr,
772 greg 2.1 "%s: error running archive command on frames %d through %d\n",
773 greg 2.2 progname, first, last);
774     quit(1);
775     }
776 greg 2.1 }
777 greg 2.2 /* run remove command */
778     strncpy(combuf+offset-RMCOML, rmcom, RMCOML);
779     runcom(combuf+offset-RMCOML);
780     #undef RMCOML
781 greg 2.1 }
782    
783    
784 greg 2.2 int
785     dofilt(frame, vp, ep, rvr) /* filter frame */
786 greg 2.1 int frame;
787     VIEW *vp;
788     char *ep;
789 greg 2.2 int rvr;
790 greg 2.1 {
791 greg 2.2 extern int frecover();
792 greg 2.1 char fnbefore[128], fnafter[128];
793     char combuf[1024], fname[128];
794     int usepinterp, usepfilt;
795 greg 2.2 int frseq[2];
796 greg 2.1 /* check what is needed */
797     usepinterp = atoi(vval(MBLUR));
798     usepfilt = pfiltalways | ep==NULL;
799     /* compute rendered views */
800 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
801     frseq[1] = frseq[0] + vint(INTERP) + 1;
802     if (frseq[1] > vint(END))
803     frseq[1] = vint(END);
804     if (frseq[1] == frame) { /* pfilt only */
805     frseq[0] = frseq[1];
806 greg 2.1 usepinterp = 0; /* update what's needed */
807     usepfilt |= vflt(OVERSAMP)>1.01 || strcmp(ep,"1");
808 greg 2.2 } else if (frseq[0] == frame) { /* no interpolation */
809 greg 2.1 /* update what's needed */
810 greg 2.2 if (!usepinterp)
811 greg 2.1 usepfilt |= vflt(OVERSAMP)>1.01 || strcmp(ep,"1");
812 greg 2.2 } else /* interpolation needed */
813 greg 2.1 usepinterp++;
814 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
815     frseq[1] = frseq[0];
816     sprintf(fnbefore, vval(BASENAME), frseq[0]);
817     sprintf(fnafter, vval(BASENAME), frseq[1]);
818     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
819     return(1);
820     /* generate command */
821 greg 2.1 if (usepinterp) { /* using pinterp */
822 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
823     return(1);
824 greg 2.1 if (atoi(vval(MBLUR))) {
825     FILE *fp; /* motion blurring */
826     sprintf(fname, "%s/vw0", vval(DIRECTORY));
827     if ((fp = fopen(fname, "w")) == NULL) {
828     perror(fname); quit(1);
829     }
830     fputs(VIEWSTR, fp);
831     fprintview(vp, fp);
832     putc('\n', fp); fclose(fp);
833     if ((vp = getview(frame+1)) == NULL) {
834     fprintf(stderr,
835     "%s: unexpected error reading view for frame %d\n",
836     progname, frame+1);
837     quit(1);
838     }
839     sprintf(fname, "%s/vw1", vval(DIRECTORY));
840     if ((fp = fopen(fname, "w")) == NULL) {
841     perror(fname); quit(1);
842     }
843     fputs(VIEWSTR, fp);
844     fprintview(vp, fp);
845     putc('\n', fp); fclose(fp);
846     sprintf(combuf,
847     "(pmblur %s %d %s/vw0 %s/vw1; rm -f %s/vw0 %s/vw1) | pinterp -B",
848 greg 2.2 *sskip(vval(MBLUR)) ? sskip2(vval(MBLUR),1) : "1",
849 greg 2.1 atoi(vval(MBLUR)), vval(DIRECTORY),
850     vval(DIRECTORY), vval(DIRECTORY),
851     vval(DIRECTORY), vval(DIRECTORY));
852     } else /* no blurring */
853     strcpy(combuf, "pinterp");
854     strcat(combuf, viewopt(vp));
855     if (vbool(RTRACE))
856 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
857 greg 2.1 rendopt, vval(OCTREE));
858     if (vdef(PINTERP))
859     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
860     if (usepfilt)
861     sprintf(combuf+strlen(combuf), " %s", rresopt);
862     else
863     sprintf(combuf+strlen(combuf), " %s -e %s",
864     fresopt, ep);
865     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
866     fnbefore, fnbefore);
867 greg 2.2 if (frseq[1] != frseq[0])
868 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
869     fnafter, fnafter);
870     if (usepfilt) { /* also pfilt */
871     if (vdef(PFILT))
872     sprintf(combuf+strlen(combuf), " | pfilt %s",
873     vval(PFILT));
874     else
875     strcat(combuf, " | pfilt");
876     if (ep != NULL)
877     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
878     ep, fresopt);
879     else
880     sprintf(combuf+strlen(combuf), " %s", fresopt);
881     }
882     } else if (usepfilt) { /* pfilt only */
883 greg 2.2 if (rvr == 2)
884     return(1);
885 greg 2.1 if (vdef(PFILT))
886     sprintf(combuf, "pfilt %s", vval(PFILT));
887     else
888     strcpy(combuf, "pfilt");
889     if (ep != NULL)
890     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
891     ep, fresopt, fnbefore);
892     else
893     sprintf(combuf+strlen(combuf), " %s %s.unf",
894     fresopt, fnbefore);
895     } else { /* else just check it */
896 greg 2.2 if (rvr == 2)
897     return(1);
898 greg 2.1 sprintf(combuf, "ra_rgbe -r %s.unf", fnbefore);
899     }
900     /* output file name */
901     sprintf(fname, vval(BASENAME), frame);
902     sprintf(combuf+strlen(combuf), " > %s.pic", fname);
903 greg 2.2 if (rvr) /* in recovery */
904     return(runcom(combuf));
905     bruncom(combuf, frame, frecover); /* else run in background */
906     return(0);
907 greg 2.1 }
908    
909    
910     VIEW *
911     getview(n) /* get view number n */
912     int n;
913     {
914     static FILE *viewfp = NULL; /* view file pointer */
915     static int viewnum = 0; /* current view number */
916     static VIEW curview = STDVIEW; /* current view */
917     char linebuf[256];
918    
919     if (n == 0) { /* signal to close file and clean up */
920     if (viewfp != NULL) {
921     fclose(viewfp);
922     viewfp = NULL;
923     viewnum = 0;
924     copystruct(&curview, &stdview);
925     }
926     return(NULL);
927     }
928     if (viewfp == NULL) { /* open file */
929     if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
930     perror(vval(VIEWFILE));
931     quit(1);
932     }
933     } else if (n < viewnum) { /* rewind file */
934     if (fseek(viewfp, 0L, 0) == EOF) {
935     perror(vval(VIEWFILE));
936     quit(1);
937     }
938     copystruct(&curview, &stdview);
939     viewnum = 0;
940     }
941     while (n > viewnum) { /* scan to desired view */
942     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
943     return(NULL);
944     if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
945     viewnum++;
946     }
947     return(&curview); /* return it */
948     }
949    
950    
951     int
952     countviews() /* count views in view file */
953     {
954     register int n = 0;
955    
956     while (getview(n+1) != NULL)
957     n++;
958     return(n);
959     }
960    
961    
962     char *
963     getexp(n) /* get exposure for nth frame */
964     int n;
965     {
966     extern char *fskip();
967     static char expval[32];
968     static FILE *expfp = NULL;
969     static long *exppos;
970     static int curfrm;
971     register char *cp;
972    
973     if (n == 0) { /* signal to close file */
974     if (expfp != NULL) {
975     fclose(expfp);
976     expfp = NULL;
977     }
978     return(NULL);
979     }
980     if (!vdef(EXPOSURE)) /* no setting (auto) */
981     return(NULL);
982     if (isflt(vval(EXPOSURE))) /* always the same */
983     return(vval(EXPOSURE));
984     if (expfp == NULL) { /* open exposure file */
985     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
986     fprintf(stderr,
987     "%s: cannot open exposure file \"%s\"\n",
988     progname, vval(EXPOSURE));
989     quit(1);
990     }
991     curfrm = vint(END) + 1; /* init lookup tab. */
992     exppos = (long *)malloc(curfrm*sizeof(long *));
993     if (exppos == NULL) {
994     perror(progname);
995     quit(1);
996     }
997     while (curfrm--)
998     exppos[curfrm] = -1L;
999     curfrm = 0;
1000     }
1001     /* find position in file */
1002     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1003     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1004     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1005     quit(1);
1006     }
1007     while (n > curfrm) { /* read exposure */
1008     if (exppos[curfrm] < 0)
1009     exppos[curfrm] = ftell(expfp);
1010     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1011     fprintf(stderr, "%s: too few exposures\n",
1012     vval(EXPOSURE));
1013     quit(1);
1014     }
1015     curfrm++;
1016     cp = fskip(expval); /* check format */
1017     if (cp == NULL || *cp != '\n') {
1018     fprintf(stderr,
1019     "%s: exposure format error on line %d\n",
1020     vval(EXPOSURE), curfrm);
1021     quit(1);
1022     }
1023     *cp = '\0';
1024     }
1025     return(expval); /* return value */
1026     }
1027    
1028    
1029 greg 2.2 struct pslot *
1030     findpslot(pid) /* find or allocate a process slot */
1031     int pid;
1032     {
1033     register struct pslot *psempty = NULL;
1034     register int i;
1035    
1036     for (i = 0; i < npslots; i++) { /* look for match */
1037     if (pslot[i].pid == pid)
1038     return(pslot+i);
1039     if (psempty == NULL && pslot[i].pid == 0)
1040     psempty = pslot+i;
1041     }
1042     return(psempty); /* return emtpy slot (error if NULL) */
1043     }
1044    
1045    
1046     int
1047     donecom(ps, pn, status) /* clean up after finished process */
1048     PSERVER *ps;
1049     int pn;
1050     int status;
1051     {
1052     register PROC *pp;
1053    
1054     pp = ps->proc + pn;
1055 greg 2.3 if (pp->elen) { /* pass errors */
1056 greg 2.2 if (ps->hostname[0])
1057 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1058     fprintf(stderr, "Error output from: %s\n", pp->com);
1059 greg 2.2 fputs(pp->errs, stderr);
1060     fflush(stderr);
1061     if (ps->hostname[0])
1062     status = 1; /* because rsh doesn't return status */
1063     }
1064     freestr(pp->com); /* free command string */
1065     lastpid = pp->pid; /* record PID for bwait() */
1066     lastpserver = ps; /* record server for serverdown() */
1067     return(status);
1068     }
1069    
1070    
1071     int
1072     serverdown() /* check status of last process server */
1073     {
1074     if (pserverOK(lastpserver)) /* server still up? */
1075     return(0);
1076     delpserver(lastpserver); /* else delete it */
1077     if (pslist == NULL) {
1078     fprintf(stderr, "%s: all process servers are down\n",
1079     progname);
1080     quit(1);
1081     }
1082     return(1);
1083     }
1084    
1085    
1086     int
1087     bruncom(com, fout, rf) /* run a command in the background */
1088     char *com;
1089     int fout;
1090     int (*rf)();
1091     {
1092     int pid;
1093     register struct pslot *psl;
1094    
1095 greg 2.3 if (!silent)
1096     printf("\t%s &\n", com); /* echo command */
1097     if (noaction)
1098 greg 2.2 return(0);
1099 greg 2.3 fflush(stdout);
1100 greg 2.2 /* else start it when we can */
1101     while ((pid = startjob(NULL, savestr(com), donecom)) == -1)
1102     bwait(1);
1103 greg 2.3 if (!silent) {
1104     PSERVER *ps;
1105     int psn = pid;
1106     ps = findpjob(&psn);
1107     printf("\tProcess started on %s\n",
1108     ps->hostname[0] ? ps->hostname : LHOSTNAME);
1109     fflush(stdout);
1110     }
1111 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1112     psl->pid = pid;
1113     psl->fout = fout;
1114     psl->rcvf = rf;
1115     return(pid);
1116     }
1117    
1118    
1119     bwait(ncoms) /* wait for batch job(s) to finish */
1120     int ncoms;
1121     {
1122     int status;
1123     register struct pslot *psl;
1124    
1125     if (noaction)
1126     return;
1127     while ((status = wait4job(NULL, -1)) != -1) {
1128     psl = findpslot(lastpid);
1129     if (status) { /* attempt recovery */
1130     serverdown(); /* check server */
1131     if (psl->rcvf == NULL || (*psl->rcvf)(psl->fout)) {
1132     fprintf(stderr,
1133     "%s: error rendering frame %d\n",
1134     progname, psl->fout);
1135     quit(1);
1136     }
1137     }
1138     psl->pid = 0; /* free process slot */
1139     if (!--ncoms)
1140     return; /* done enough */
1141     }
1142     }
1143    
1144    
1145     int
1146     pruncom(com, maxcopies) /* run a command in parallel over network */
1147     char *com;
1148     int maxcopies;
1149     {
1150     int retstatus = 0;
1151 greg 2.3 int hostcopies;
1152 greg 2.2 int status;
1153     register PSERVER *ps;
1154    
1155 greg 2.3 if (!silent)
1156     printf("\t%s &\n", com); /* echo command */
1157     if (noaction)
1158 greg 2.2 return(0);
1159 greg 2.3 fflush(stdout);
1160 greg 2.2 /* start jobs on each server */
1161 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1162     hostcopies = 0;
1163 greg 2.2 while (maxcopies > 0 &&
1164     startjob(ps, savestr(com), donecom) != -1) {
1165     sleep(10);
1166 greg 2.3 hostcopies++;
1167 greg 2.2 maxcopies--;
1168     }
1169 greg 2.3 if (!silent && hostcopies) {
1170     if (hostcopies > 1)
1171     printf("\t%d duplicate processes", hostcopies);
1172     else
1173     printf("\tProcess");
1174     printf(" started on %s\n",
1175     ps->hostname[0] ? ps->hostname : LHOSTNAME);
1176     fflush(stdout);
1177     }
1178     }
1179 greg 2.2 /* wait for jobs to finish */
1180     while ((status = wait4job(NULL, -1)) != -1)
1181     if (status)
1182     retstatus += !serverdown(); /* check server */
1183     return(retstatus);
1184     }
1185    
1186    
1187     runcom(cs) /* run a command locally and wait for it */
1188 greg 2.1 char *cs;
1189     {
1190     if (!silent) /* echo it */
1191     printf("\t%s\n", cs);
1192     if (noaction)
1193     return(0);
1194     fflush(stdout); /* flush output and pass to shell */
1195     return(system(cs));
1196     }
1197    
1198    
1199     rmfile(fn) /* remove a file */
1200     char *fn;
1201     {
1202     if (!silent)
1203     #ifdef MSDOS
1204     printf("\tdel %s\n", fn);
1205     #else
1206     printf("\trm -f %s\n", fn);
1207     #endif
1208     if (noaction)
1209     return(0);
1210     return(unlink(fn));
1211     }
1212    
1213    
1214     badvalue(vc) /* report bad variable value and exit */
1215     int vc;
1216     {
1217     fprintf(stderr, "%s: bad value for variable '%s'\n",
1218     progname, vnam(vc));
1219     quit(1);
1220     }