void
setformat_fromstr(unicap_handle_t handle, const char *formatstr)
{
unicap_format_t format;
int i;
for(i=0;SUCCESS(unicap_enumerate_formats(handle, NULL, &format, i)); i++)
{
if(strcmp(formatstr, format.identifier) == 0)
{
break;
}
}
setformat(handle, format);
}
/*! Write an exactly FRAME_SIZE sized frame */
static int soundcard_writeframe(struct chan_oss_pvt *o, short *data)
{
int res;
if (o->sounddev < 0)
setformat(o, O_RDWR);
if (o->sounddev < 0)
return 0; /* not fatal */
/*
* Nothing complex to manage the audio device queue.
* If the buffer is full just drop the extra, otherwise write.
* XXX in some cases it might be useful to write anyways after
* a number of failures, to restart the output chain.
*/
res = used_blocks(o);
if (res > o->queuesize) { /* no room to write a block */
if (o->w_errors++ == 0 && (oss_debug & 0x4))
ast_log(LOG_WARNING, "write: used %d blocks (%d)\n", res, o->w_errors);
return 0;
}
o->w_errors = 0;
return write(o->sounddev, (void *)data, FRAME_SIZE * 2);
}
int
main(int argc, char *argv[])
{
#define check(ol,al) if (argv[i][ol] || \
badarg(argc-i-1,argv+i+1,al)) \
goto badopt
#define bool(olen,var) switch (argv[i][olen]) { \
case '\0': var = !var; break; \
case 'y': case 'Y': case 't': case 'T': \
case '+': case '1': var = 1; break; \
case 'n': case 'N': case 'f': case 'F': \
case '-': case '0': var = 0; break; \
default: goto badopt; }
char *curout = NULL;
char *binval = NULL;
int bincnt = 0;
int rval;
int i;
/* global program name */
progname = argv[0] = fixargv0(argv[0]);
gargv = argv;
gargc = argc;
/* initialize calcomp routines early */
initfunc();
setcontext(RCCONTEXT);
/* option city */
for (i = 1; i < argc; i++) {
/* expand arguments */
while ((rval = expandarg(&argc, &argv, i)) > 0)
;
if (rval < 0) {
sprintf(errmsg, "cannot expand '%s'", argv[i]);
error(SYSTEM, errmsg);
}
if (argv[i] == NULL || argv[i][0] != '-')
break; /* break from options */
if (!strcmp(argv[i], "-version")) {
puts(VersionID);
quit(0);
}
if (!strcmp(argv[i], "-defaults") ||
!strcmp(argv[i], "-help")) {
override_options();
printdefaults();
quit(0);
}
rval = getrenderopt(argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
switch (argv[i][1]) {
case 'n': /* number of cores */
check(2,"i");
nproc = atoi(argv[++i]);
if (nproc <= 0)
error(USER, "bad number of processes");
break;
case 'V': /* output contributions */
bool(2,contrib);
break;
case 'x': /* x resolution */
check(2,"i");
xres = atoi(argv[++i]);
break;
case 'y': /* y resolution */
check(2,"i");
yres = atoi(argv[++i]);
break;
case 'w': /* warnings */
rval = (erract[WARNING].pf != NULL);
bool(2,rval);
if (rval) erract[WARNING].pf = wputs;
else erract[WARNING].pf = NULL;
break;
case 'e': /* expression */
check(2,"s");
scompile(argv[++i], NULL, 0);
break;
case 'l': /* limit distance */
if (argv[i][2] != 'd')
goto badopt;
bool(3,lim_dist);
break;
case 'I': /* immed. irradiance */
bool(2,imm_irrad);
break;
case 'f': /* file or force or format */
if (!argv[i][2]) {
check(2,"s");
loadfunc(argv[++i]);
break;
}
if (argv[i][2] == 'o') {
bool(3,force_open);
break;
}
setformat(argv[i]+2);
break;
case 'o': /* output */
check(2,"s");
curout = argv[++i];
break;
case 'c': /* input rays per output */
check(2,"i");
accumulate = atoi(argv[++i]);
break;
case 'r': /* recover output */
bool(2,recover);
break;
case 'h': /* header output */
bool(2,header);
break;
case 'b': /* bin expression/count */
if (argv[i][2] == 'n') {
check(3,"s");
bincnt = (int)(eval(argv[++i]) + .5);
break;
}
check(2,"s");
binval = argv[++i];
break;
case 'm': /* modifier name */
check(2,"s");
addmodifier(argv[++i], curout, binval, bincnt);
break;
case 'M': /* modifier file */
check(2,"s");
addmodfile(argv[++i], curout, binval, bincnt);
break;
default:
goto badopt;
}
}
if (nmods <= 0)
error(USER, "missing required modifier argument");
/* override some option settings */
override_options();
/* initialize object types */
initotypes();
/* initialize urand */
if (rand_samp) {
srandom((long)time(0));
initurand(0);
} else {
srandom(0L);
initurand(2048);
}
/* set up signal handling */
sigdie(SIGINT, "Interrupt");
#ifdef SIGHUP
sigdie(SIGHUP, "Hangup");
#endif
sigdie(SIGTERM, "Terminate");
#ifdef SIGPIPE
sigdie(SIGPIPE, "Broken pipe");
#endif
#ifdef SIGALRM
sigdie(SIGALRM, "Alarm clock");
#endif
#ifdef SIGXCPU
sigdie(SIGXCPU, "CPU limit exceeded");
sigdie(SIGXFSZ, "File size exceeded");
#endif
#ifdef NICE
nice(NICE); /* lower priority */
#endif
/* get octree */
if (i == argc)
octname = NULL;
else if (i == argc-1)
octname = argv[i];
else
goto badopt;
if (octname == NULL)
error(USER, "missing octree argument");
readoct(octname, ~(IO_FILES|IO_INFO), &thescene, NULL);
nsceneobjs = nobjects;
marksources(); /* find and mark sources */
setambient(); /* initialize ambient calculation */
rcontrib(); /* trace ray contributions (loop) */
ambsync(); /* flush ambient file */
quit(0); /* exit clean */
badopt:
fprintf(stderr,
"Usage: %s [-n nprocs][-V][-r][-e expr][-f source][-o ospec][-b binv][-bn N] {-m mod | -M file} [rtrace options] octree\n",
progname);
sprintf(errmsg, "command line error at '%s'", argv[i]);
error(USER, errmsg);
return(1); /* pro forma return */
#undef check
#undef bool
}
