From 3ade1510e72926d02d7c7d4416257449bc0cd3f3 Mon Sep 17 00:00:00 2001 From: Benny Prijono Date: Sat, 7 Apr 2007 12:29:46 +0000 Subject: Split speex, portaudio, and gsm into third_party directory git-svn-id: http://svn.pjsip.org/repos/pjproject/branches/split-3rd-party@1168 74dad513-b988-da41-8d7b-12977e46ad98 --- third_party/gsm/src/toast.c | 800 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 800 insertions(+) create mode 100644 third_party/gsm/src/toast.c (limited to 'third_party/gsm/src/toast.c') diff --git a/third_party/gsm/src/toast.c b/third_party/gsm/src/toast.c new file mode 100644 index 00000000..9823642b --- /dev/null +++ b/third_party/gsm/src/toast.c @@ -0,0 +1,800 @@ +/* + * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische + * Universitaet Berlin. See the accompanying file "COPYRIGHT" for + * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. + */ + +/* $Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/toast.c,v 1.8 1996/07/02 10:41:04 jutta Exp $ */ + +#include "toast.h" + +/* toast -- lossy sound compression using the gsm library. + */ + +char * progname; + +int f_decode = 0; /* decode rather than encode (-d) */ +int f_cat = 0; /* write to stdout; implies -p (-c) */ +int f_force = 0; /* don't ask about replacements (-f) */ +int f_precious = 0; /* avoid deletion of original (-p) */ +int f_fast = 0; /* use faster fpt algorithm (-F) */ +int f_verbose = 0; /* debugging (-V) */ +int f_ltp_cut = 0; /* LTP cut-off margin (-C) */ + +struct stat instat; /* stat (inname) */ + +FILE *in, *out; +char *inname, *outname; + +/* + * The function (*output)() writes a frame of 160 samples given as + * 160 signed 16 bit values (gsm_signals) to . + * The function (*input)() reads one such frame from . + * The function (*init_output)() begins output (e.g. writes a header)., + * The function (*init_input)() begins input (e.g. skips a header). + * + * There are different versions of input, output, init_input and init_output + * for different formats understood by toast; which ones are used + * depends on the command line arguments and, in their absence, the + * filename; the fallback is #defined in toast.h + * + * The specific implementations of input, output, init_input and init_output + * for a format `foo' live in toast_foo.c. + */ + +int (*output ) P((gsm_signal *)), + (*input ) P((gsm_signal *)); +int (*init_input) P((void)), + (*init_output) P((void)); + +static int generic_init P0() { return 0; } /* NOP */ + +struct fmtdesc { + + char * name, * longname, * suffix; + + int (* init_input ) P((void)), + (* init_output) P((void)); + + int (* input ) P((gsm_signal * )), + (* output) P((gsm_signal * )); + +} f_audio = { + "audio", + "8 kHz, 8 bit u-law encoding with Sun audio header", ".au", + audio_init_input, + audio_init_output, + ulaw_input, + ulaw_output +}, f_ulaw = { + "u-law", "plain 8 kHz, 8 bit u-law encoding", ".u", + generic_init, + generic_init, + ulaw_input, + ulaw_output + +}, f_alaw = { + "A-law", "8 kHz, 8 bit A-law encoding", ".A", + generic_init, + generic_init, + alaw_input, + alaw_output + +}, f_linear = { + "linear", + "16 bit (13 significant) signed 8 kHz signal", ".l", + generic_init, + generic_init, + linear_input, + linear_output +}; + +struct fmtdesc * alldescs[] = { + &f_audio, + &f_alaw, + &f_ulaw, + &f_linear, + (struct fmtdesc *)NULL +}; + +#define DEFAULT_FORMAT f_ulaw /* default audio format, others */ + /* are: f_alaw,f_audio,f_linear */ +struct fmtdesc * f_format = 0; + +/* + * basename + suffix of a pathname + */ +static char * endname P1((name), char * name) +{ + if (name) { + char * s = strrchr(name, '/'); + if (s && s[1]) name = s + 1; + } + return name; + +} + +/* + * Try to figure out what we're supposed to do from the argv[0], if + * any, and set the parameters accordingly. + */ +static void parse_argv0 P1((av0), char * av0 ) +{ + int l; + + progname = av0 = endname(av0 ? av0 : "toast"); + + /* If the name starts with `un', we want to decode, not code. + * If the name ends in `cat', we want to write to stdout, + * and decode as well. + */ + + if (!strncmp(av0, "un", 2)) f_decode = 1; + if ( (l = strlen(av0)) >= 3 /* strlen("cat") */ + && !strcmp( av0 + l - 3, "cat" )) f_cat = f_decode = 1; +} + + +/* + * Check whether the name (possibly generated by appending + * .gsm to something else) is short enough for this system. + */ +static int length_okay P1((name), char * name) +{ + long max_filename_length = 0; + char * end; + + /* If our _pathname_ is too long, we'll usually not be + * able to open the file at all -- don't worry about that. + * + * But if the _filename_ is too long, there is danger of + * silent truncation on some systems, which results + * in the target replacing the source! + */ + + if (!name) return 0; + end = endname(name); + +#ifdef NAME_MAX + max_filename_length = NAME_MAX; +#else +#ifdef _PC_NAME_MAX +#ifdef USE_PATHCONF + { char * s, tmp; + + /* s = dirname(name) + */ + if ((s = end) > name) { + if (s > name + 1) s--; + tmp = s; + *s = 0; + } + + errno = 0; + max_filename_length = pathconf(s > name ? name : ".", + _PC_NAME_MAX); + if (max_filename_length == -1 && errno) { + perror( s > name ? name : "." ); + fprintf(stderr, + "%s: cannot get dynamic filename length limit for %s.\n", + progname, s > name ? name : "."); + return 0; + } + if (s > name) *s = tmp; + } +#endif /* USE_PATHCONF */ +#endif /* _PC_NAME_MAX */ +#endif /* !NAME_MAX */ + + if (max_filename_length > 0 && strlen(end) > max_filename_length) { + fprintf(stderr, + "%s: filename \"%s\" is too long (maximum is %ld)\n", + progname, endname(name), max_filename_length ); + return 0; + } + + return 1; +} + +/* + * Return a pointer the suffix of a string, if any. + * A suffix alone has no suffix, an empty suffix can not be had. + */ +static char * suffix P2((name, suf), char *name, char * suf) +{ + size_t nlen = strlen(name); + size_t slen = strlen(suf); + + if (!slen || nlen <= slen) return (char *)0; + name += nlen - slen; + return memcmp(name, suf, slen) ? (char *)0 : name; +} + + +static void catch_signals P1((fun), SIGHANDLER_T (*fun) ()) +{ +#ifdef SIGHUP + signal( SIGHUP, fun ); +#endif +#ifdef SIGINT + signal( SIGINT, fun ); +#endif +#ifdef SIGPIPE + signal( SIGPIPE, fun ); +#endif +#ifdef SIGTERM + signal( SIGTERM, fun ); +#endif +#ifdef SIGXFSZ + signal( SIGXFSZ, fun ); +#endif +} + +static SIGHANDLER_T onintr P0() +{ + char * tmp = outname; + +#ifdef HAS_SYSV_SIGNALS + catch_signals( SIG_IGN ); +#endif + + outname = (char *)0; + if (tmp) (void)unlink(tmp); + + exit(1); +} + +/* + * Allocate some memory and complain if it fails. + */ +static char * emalloc P1((len), size_t len) +{ + char * s; + if (!(s = malloc(len))) { + fprintf(stderr, "%s: failed to malloc %d bytes -- abort\n", + progname, len); + onintr(); + exit(1); + } + return s; +} + +static char* normalname P3((name, want, cut), char *name, char *want,char *cut) +{ + size_t maxlen; + char * s, * p; + + p = (char *)0; + if (!name) return p; + + maxlen = strlen(name) + 1 + strlen(want) + strlen(cut); + p = strcpy(emalloc(maxlen), name); + + if (s = suffix(p, cut)) strcpy(s, want); + else if (*want && !suffix(p, want)) strcat(p, want); + + return p; +} + +/* + * Generate a `plain' (non-encoded) name from a given name. + */ +static char * plainname P1((name), char *name) +{ + return normalname(name, "", SUFFIX_TOASTED ); +} + +/* + * Generate a `code' name from a given name. + */ +static char * codename P1((name), char *name) +{ + return normalname( name, SUFFIX_TOASTED, "" ); +} + +/* + * If we're supposed to ask (fileno (stderr) is a tty, and f_force not + * set), ask the user whether to overwrite a file or not. + */ +static int ok_to_replace P1(( name ), char * name) +{ + int reply, c; + + if (f_force) return 1; /* YES, do replace */ + if (!isatty(fileno(stderr))) return 0; /* NO, don't replace */ + + fprintf(stderr, + "%s already exists; do you wish to overwrite %s (y or n)? ", + name, name); + fflush(stderr); + + for (c = reply = getchar(); c != '\n' && c != EOF; c = getchar()) ; + if (reply == 'y') return 1; + + fprintf(stderr, "\tnot overwritten\n"); + return 0; +} + +static void update_mode P0() +{ + if (!instat.st_nlink) return; /* couldn't stat in */ + +#ifdef HAS_FCHMOD + if (fchmod(fileno(out), instat.st_mode & 07777)) { + perror(outname); + fprintf(stderr, "%s: could not change file mode of \"%s\"\n", + progname, outname); + } +#else +#ifdef HAS_CHMOD + if (outname && chmod(outname, instat.st_mode & 07777)) { + perror(outname); + fprintf(stderr, "%s: could not change file mode of \"%s\"\n", + progname, outname); + } +#endif /* HAS_CHMOD */ +#endif /* HAS_FCHMOD */ +} + +static void update_own P0() +{ + if (!instat.st_nlink) return; /* couldn't stat in */ +#ifdef HAS_FCHOWN + (void)fchown(fileno(out), instat.st_uid, instat.st_gid); +#else +#ifdef HAS_CHOWN + (void)chown(outname, instat.st_uid, instat.st_gid); +#endif /* HAS_CHOWN */ +#endif /* HAS_FCHOWN */ +} + +static void update_times P0() +{ + if (!instat.st_nlink) return; /* couldn't stat in */ + +#ifdef HAS_UTIMES + if (outname) { + struct timeval tv[2]; + + tv[0].tv_sec = instat.st_atime; + tv[1].tv_sec = instat.st_mtime; + tv[0].tv_usec = tv[1].tv_usec = 0; + (void) utimes(outname, tv); + } +#else +#ifdef HAS_UTIME + + if (outname) { + +#ifdef HAS_UTIMBUF + struct utimbuf ut; + + ut.actime = instat.st_atime; + ut.modtime = instat.st_mtime; + +# ifdef HAS_UTIMEUSEC + ut.acusec = instat.st_ausec; + ut.modusec = instat.st_musec; +# endif /* HAS_UTIMEUSEC */ + + (void) utime(outname, &ut); + +#else /* UTIMBUF */ + + time_t ut[2]; + + ut[0] = instat.st_atime; + ut[1] = instat.st_mtime; + + (void) utime(outname, ut); + +#endif /* UTIMBUF */ + } +#endif /* HAS_UTIME */ +#endif /* HAS_UTIMES */ +} + + +static int okay_as_input P3((name,f,st), char* name, FILE* f, struct stat * st) +{ +# ifdef HAS_FSTAT + if (fstat(fileno(f), st) < 0) +# else + if (stat(name, st) < 0) +# endif + { + perror(name); + fprintf(stderr, "%s: cannot stat \"%s\"\n", progname, name); + return 0; + } + + if (!S_ISREG(st->st_mode)) { + fprintf(stderr, + "%s: \"%s\" is not a regular file -- unchanged.\n", + progname, name); + return 0; + } + if (st->st_nlink > 1 && !f_cat && !f_precious) { + fprintf(stderr, + "%s: \"%s\" has %s other link%s -- unchanged.\n", + progname,name,st->st_nlink - 1,"s" + (st->st_nlink<=2)); + return 0; + } + return 1; +} + +static void prepare_io P1(( desc), struct fmtdesc * desc) +{ + output = desc->output; + input = desc->input; + + init_input = desc->init_input; + init_output = desc->init_output; +} + +static struct fmtdesc * grok_format P1((name), char * name) +{ + char * c; + struct fmtdesc ** f; + + if (name) { + c = plainname(name); + + for (f = alldescs; *f; f++) { + if ( (*f)->suffix + && *(*f)->suffix + && suffix(c, (*f)->suffix)) { + + free(c); + return *f; + } + } + + free(c); + } + return (struct fmtdesc *)0; +} + +static int open_input P2((name, st), char * name, struct stat * st) +{ + struct fmtdesc * f = f_format; + + st->st_nlink = 0; /* indicates `undefined' value */ + if (!name) { + inname = (char *)NULL; + in = stdin; +#ifdef HAS__FSETMODE + _fsetmode(in, "b"); +#endif + } + else { + if (f_decode) inname = codename(name); + else { + if (!f_cat && suffix(name, SUFFIX_TOASTED)) { + fprintf(stderr, + "%s: %s already has \"%s\" suffix -- unchanged.\n", + progname, name, SUFFIX_TOASTED ); + return 0; + } + inname = strcpy(emalloc(strlen(name)+1), name); + } + if (!(in = fopen(inname, READ))) { + perror(inname); /* not guaranteed to be valid here */ + fprintf(stderr, "%s: cannot open \"%s\" for reading\n", + progname, inname); + return 0; + } + if (!okay_as_input(inname, in, st)) return 0; + if (!f) f = grok_format(inname); + } + prepare_io( f ? f : & DEFAULT_FORMAT ); + return 1; +} + +static int open_output P1((name), char *name) +{ + if (!name || f_cat) { + out = stdout; + outname = (char *)NULL; +#ifdef HAS__FSETMODE + _fsetmode(out, "b"); +#endif + } + else { + int outfd = -1; + char * o; + + o = (*(f_decode ? plainname : codename))(name); + if (!length_okay(o)) return 0; + if ((outfd = open(o, O_WRITE_EXCL, 0666)) >= 0) + out = fdopen(outfd, WRITE); + else if (errno != EEXIST) out = (FILE *)NULL; + else if (ok_to_replace(o)) out = fopen(o, WRITE); + else return 0; + + if (!out) { + perror(o); + fprintf(stderr, + "%s: can't open \"%s\" for writing\n", + progname, o); + if (outfd >= 0) (void)close(outfd); + return 0; + } + + outname = o; + } + return 1; +} + +static int process_encode P0() +{ + gsm r; + gsm_signal s[ 160 ]; + gsm_frame d; + + int cc; + + if (!(r = gsm_create())) { + perror(progname); + return -1; + } + (void)gsm_option(r, GSM_OPT_FAST, &f_fast); + (void)gsm_option(r, GSM_OPT_VERBOSE, &f_verbose); + (void)gsm_option(r, GSM_OPT_LTP_CUT, &f_ltp_cut); + + while ((cc = (*input)(s)) > 0) { + if (cc < sizeof(s) / sizeof(*s)) + memset((char *)(s+cc), 0, sizeof(s)-(cc * sizeof(*s))); + gsm_encode(r, s, d); + if (fwrite((char *)d, sizeof(d), 1, out) != 1) { + perror(outname ? outname : "stdout"); + fprintf(stderr, "%s: error writing to %s\n", + progname, outname ? outname : "stdout"); + gsm_destroy(r); + return -1; + } + } + if (cc < 0) { + perror(inname ? inname : "stdin"); + fprintf(stderr, "%s: error reading from %s\n", + progname, inname ? inname : "stdin"); + gsm_destroy(r); + return -1; + } + gsm_destroy(r); + + return 0; +} + +static int process_decode P0() +{ + gsm r; + gsm_frame s; + gsm_signal d[ 160 ]; + + int cc; + + if (!(r = gsm_create())) { /* malloc failed */ + perror(progname); + return -1; + } + (void)gsm_option(r, GSM_OPT_FAST, &f_fast); + (void)gsm_option(r, GSM_OPT_VERBOSE, &f_verbose); + + while ((cc = fread(s, 1, sizeof(s), in)) > 0) { + + if (cc != sizeof(s)) { + if (cc >= 0) fprintf(stderr, + "%s: incomplete frame (%d byte%s missing) from %s\n", + progname, sizeof(s) - cc, + "s" + (sizeof(s) - cc == 1), + inname ? inname : "stdin" ); + gsm_destroy(r); + errno = 0; + return -1; + } + if (gsm_decode(r, s, d)) { + fprintf(stderr, "%s: bad frame in %s\n", + progname, inname ? inname : "stdin"); + gsm_destroy(r); + errno = 0; + return -1; + } + + if ((*output)(d) < 0) { + perror(outname); + fprintf(stderr, "%s: error writing to %s\n", + progname, outname); + gsm_destroy(r); + return -1; + } + } + + if (cc < 0) { + perror(inname ? inname : "stdin" ); + fprintf(stderr, "%s: error reading from %s\n", progname, + inname ? inname : "stdin"); + gsm_destroy(r); + return -1; + } + + gsm_destroy(r); + return 0; +} + +static int process P1((name), char * name) +{ + int step = 0; + + out = (FILE *)0; + in = (FILE *)0; + + outname = (char *)0; + inname = (char *)0; + + if (!open_input(name, &instat) || !open_output(name)) + goto err; + + if ((*(f_decode ? init_output : init_input))()) { + fprintf(stderr, "%s: error %s %s\n", + progname, + f_decode ? "writing header to" : "reading header from", + f_decode ? (outname ? outname : "stdout") + : (inname ? inname : "stdin")); + goto err; + } + + if ((*(f_decode ? process_decode : process_encode))()) + goto err; + + if (fflush(out) < 0 || ferror(out)) { + perror(outname ? outname : "stdout"); + fprintf(stderr, "%s: error writing \"%s\"\n", progname, + outname ? outname:"stdout"); + goto err; + } + + if (out != stdout) { + + update_times(); + update_mode (); + update_own (); + + if (fclose(out) < 0) { + perror(outname); + fprintf(stderr, "%s: error writing \"%s\"\n", + progname, outname); + goto err; + } + if (outname != name) free(outname); + outname = (char *)0; + } + out = (FILE *)0; + if (in != stdin) { + (void)fclose(in), in = (FILE *)0; + if (!f_cat && !f_precious) { + if (unlink(inname) < 0) { + perror(inname); + fprintf(stderr, + "%s: source \"%s\" not deleted.\n", + progname, inname); + } + goto err; + } + if (inname != name) free(inname); + inname = (char *)0; + } + return 0; + + /* + * Error handling and cleanup. + */ +err: + if (out && out != stdout) { + (void)fclose(out), out = (FILE *)0; + if (unlink(outname) < 0 && errno != ENOENT && errno != EINTR) { + perror(outname); + fprintf(stderr, "%s: could not unlink \"%s\"\n", + progname, outname); + } + } + if (in && in != stdin) (void)fclose(in), in = (FILE *)0; + + if (inname && inname != name) free(inname); + if (outname && outname != name) free(outname); + + return -1; +} + +static void version P0() +{ + printf( "%s 1.0, version %s\n", + progname, + "$Id: toast.c,v 1.8 1996/07/02 10:41:04 jutta Exp $" ); +} + +static void help P0() +{ + printf("Usage: %s [-fcpdhvaulsFC] [files...]\n", progname); + printf("\n"); + + printf(" -f force Replace existing files without asking\n"); + printf(" -c cat Write to stdout, do not remove source files\n"); + printf(" -d decode Decode data (default is encode)\n"); + printf(" -p precious Do not delete the source\n"); + printf("\n"); + + printf(" -u u-law Force 8 kHz/8 bit u-law in/output format\n"); + printf(" -s sun .au Force Sun .au u-law in/output format\n"); + printf(" -a A-law Force 8 kHz/8 bit A-law in/output format\n"); + printf(" -l linear Force 16 bit linear in/output format\n"); + printf("\n"); + + printf(" -F fast Sacrifice conformance to performance\n"); + printf(" -C cutoff Ignore most samples during LTP\n"); + printf(" -v version Show version information\n"); + printf(" -h help Print this text\n"); + printf("\n"); +} + + +static void set_format P1((f), struct fmtdesc * f) +{ + if (f_format && f_format != f) { + fprintf( stderr, + "%s: only one of -[uals] is possible (%s -h for help)\n", + progname, progname); + exit(1); + } + + f_format = f; +} + +int main P2((ac, av), int ac, char **av) +{ + int opt; + extern int optind; + extern char * optarg; + + parse_argv0(*av); + + while ((opt = getopt(ac, av, "fcdpvhuaslVFC:")) != EOF) switch (opt) { + + case 'd': f_decode = 1; break; + case 'f': f_force = 1; break; + case 'c': f_cat = 1; break; + case 'p': f_precious = 1; break; + case 'F': f_fast = 1; break; + case 'C': f_ltp_cut = 100; break; +#ifndef NDEBUG + case 'V': f_verbose = 1; break; /* undocumented */ +#endif + + case 'u': set_format( &f_ulaw ); break; + case 'l': set_format( &f_linear ); break; + case 'a': set_format( &f_alaw ); break; + case 's': set_format( &f_audio ); break; + + case 'v': version(); exit(0); + case 'h': help(); exit(0); + + default: + usage: + fprintf(stderr, + "Usage: %s [-fcpdhvuaslFC] [files...] (-h for help)\n", + progname); + exit(1); + } + + f_precious |= f_cat; + + av += optind; + ac -= optind; + + catch_signals(onintr); + + if (ac <= 0) process( (char *)0 ); + else while (ac--) process( *av++ ); + + exit(0); +} -- cgit v1.2.3