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Macros
#define	BUFFSIZE 50000 /* How many samples to read in one go (preferred) */

#define	DEFAULTFREQ 44100

#define	FALSE (0==1)

#define	INBIN (1+2)

#define	INTEXT (1+0)

#define	IOBIN (32)

#define	MINBUFFSIZE 5000 /* How many samples to read in one go (minimum) */

#define	NOCOMPLAIN (16)

#define	NOFILES (0)

#define	OUTBIN (4+8)

#define	OUTTEXT (4)

#define	TRUE (0==0)

Enumerations
enum	Errornum { ME_NOINT , ME_NODOUBLE , ME_NOTIME , ME_NOVOL , ME_NOSWITCH , ME_TOOMANYFILES , ME_HEADERONTEXTFILE , ME_NOINFILE , ME_NOOUTFILE , ME_NOIOFILE , ME_NOSTDIN , ME_NOSTDOUT , ME_NOSTDIO , ME_NOTENOUGHFILES , ME_THISCANTHAPPEN }

Functions
void	argerror (char *s)

void	argerrornum (char *s, Errornum code)

void	argerrortxt (char s, char message)

int	chat (const char *format,...)

void	checknoargs (int argcount, char *args[])

double	double2db (double value)

int	error (const char *format,...)

void	fatalerror (const char *format,...)

void	fatalperror (const char *string)

int	findoption (int argcount, char args[], char s)

int	getremainingfilelength (FILE anyin, long result)

int	inform (const char *format,...)

int	isoptionchar (char coal)

void	makewavheader (void)

char *	mallocconcat (char one, char two)

char *	malloccopy (char *string)

int	myexit (int value)

void	parseargs (int argcount, char *args[], int fileswitch)

int	parsedoublearg (int argcount, char args[], char string, double *result)

char *	parsefilearg (int argcount, char *args[])

int	parsefreq (char string, double result)

int	parseintarg (int argcount, char args[], char string, int *result)

int	parseswitch (char found, char wanted)

int	parseswitcharg (int argcount, char args[], char string)

int	parsetime (char string, int result)

int	parsetimearg (int argcount, char args[], char string, int *result)

int	parsevolarg (int argcount, char args[], char string, double *result)

int	parsevolume (char s, double result)

void	readawaysamples (FILE *in, size_t size)

void	readpkheader (FILE *anyin)

void	readwavheader (FILE *anyin)

int	say (const char *format,...)

void	startstopwatch (void)

int	workloop (FILE theinfile, FILE theoutfile, int(work)(short buffer, int length))

Variables
unsigned short	channels

FILE *	in

char *	infilename

int	iswav

FILE *	out

char *	outfilename

int	samplefrequency

unsigned short	samplewidth

char *	usage

int	verboselevel

char *	version

int	wavout

Macro Definition Documentation

◆ BUFFSIZE

#define BUFFSIZE 50000 /* How many samples to read in one go (preferred) */

Definition at line 54 of file utils/frame.h.

◆ DEFAULTFREQ

#define DEFAULTFREQ 44100

Definition at line 53 of file utils/frame.h.

◆ FALSE

#define FALSE (0==1)

Definition at line 36 of file utils/frame.h.

◆ INBIN

#define INBIN (1+2)

Definition at line 28 of file utils/frame.h.

◆ INTEXT

#define INTEXT (1+0)

Definition at line 27 of file utils/frame.h.

◆ IOBIN

#define IOBIN (32)

Definition at line 33 of file utils/frame.h.

◆ MINBUFFSIZE

#define MINBUFFSIZE 5000 /* How many samples to read in one go (minimum) */

Definition at line 55 of file utils/frame.h.

◆ NOCOMPLAIN

#define NOCOMPLAIN (16)

Definition at line 32 of file utils/frame.h.

◆ NOFILES

#define NOFILES (0)

Definition at line 31 of file utils/frame.h.

◆ OUTBIN

#define OUTBIN (4+8)

Definition at line 30 of file utils/frame.h.

◆ OUTTEXT

#define OUTTEXT (4)

Definition at line 29 of file utils/frame.h.

◆ TRUE

#define TRUE (0==0)

Definition at line 37 of file utils/frame.h.

Enumeration Type Documentation

◆ Errornum

enum Errornum

Enumerator
ME_NOINT
ME_NODOUBLE
ME_NOTIME
ME_NOVOL
ME_NOSWITCH
ME_TOOMANYFILES
ME_HEADERONTEXTFILE
ME_NOINFILE
ME_NOOUTFILE
ME_NOIOFILE
ME_NOSTDIN
ME_NOSTDOUT
ME_NOSTDIO
ME_NOTENOUGHFILES
ME_THISCANTHAPPEN

Definition at line 60 of file utils/frame.h.

{
  ME_NOINT,
  ME_NODOUBLE,
  ME_NOTIME,
  ME_NOVOL,
  ME_NOSWITCH,
  ME_TOOMANYFILES,
  ME_HEADERONTEXTFILE,
  ME_NOINFILE,
  ME_NOOUTFILE,
  ME_NOIOFILE,
  ME_NOSTDIN,
  ME_NOSTDOUT,
  ME_NOSTDIO,
  ME_NOTENOUGHFILES,
  ME_THISCANTHAPPEN
} Errornum;

Function Documentation

◆ argerror()

void argerror ( char * s )

Definition at line 625 of file utils/frame.c.

{
  error ("Error parsing command line. Unrecognized option:\n\t-%s\n", s);
  fatalerror("\nTry --help for help.\n");
}

References error(), and fatalerror().

◆ argerrornum()

void argerrornum	(	char *	s,
		Errornum	code
	)

Definition at line 635 of file utils/frame.c.

{
  char *message;
 
  if (code == ME_TOOMANYFILES)
    {
      error("Too many files on command line: '%s'.\n", s);
    }
  else
    {
      if (s != NULL)
    error ("Error parsing option -%s:\n\t", s);
      switch( code)
    {
    case ME_NOINT:
      message = "Integer expected";
      break;
    case ME_NODOUBLE:
      message = "Floating point number expected";
      break;
    case ME_NOTIME:
      message = "Time argument expected";
      break;
    case ME_NOVOL:
      message = "Volume argument expected";
      break;
    case ME_NOSWITCH:
      message = "Garbage after switch-type option";
      break;
    case ME_HEADERONTEXTFILE:
      message = "Option -h is not useful for text-output";
      break;
    case ME_NOINFILE:
      message = "No input file specified";
      break;
    case ME_NOOUTFILE:
      message = "No output file specified";
      break;
    case ME_NOIOFILE:
      message = "No input/output file specified";
      break;
    case ME_NOSTDIN:
      message = "Standard in not supported here";
      break;
    case ME_NOSTDOUT:
      message = "Standard out not supported here";
      break;
    case ME_NOSTDIO:
      message = "Standard in/out not supported here";
      break;
    case ME_NOTENOUGHFILES:
      message = "Not enough files specified";
      break;
    case ME_THISCANTHAPPEN:
      fatalerror("\nThis can't happen. Report this as a bug\n");
      /* fatalerror does not return */
    default:
      error("Error code %d not implemented. Fix me!\n", code);
      message = "Error message not implemented. Fix me!";
    }
      error("%s\n", message);
    }
  fatalerror("\nTry --help for help.\n");
}

References error(), fatalerror(), ME_HEADERONTEXTFILE, ME_NODOUBLE, ME_NOINFILE, ME_NOINT, ME_NOIOFILE, ME_NOOUTFILE, ME_NOSTDIN, ME_NOSTDIO, ME_NOSTDOUT, ME_NOSWITCH, ME_NOTENOUGHFILES, ME_NOTIME, ME_NOVOL, ME_THISCANTHAPPEN, ME_TOOMANYFILES, and NULL.

Referenced by main(), parseargs(), parsedoublearg(), parsefreq(), parseintarg(), parseswitch(), parseswitcharg(), parsetime(), parsetimearg(), and parsevolarg().

◆ argerrortxt()

void argerrortxt	(	char *	s,
		char *	message
	)

Definition at line 704 of file utils/frame.c.

{
  if (s != NULL)
    error ("Error parsing option -%s:\n\t", s);
  else
    error ("Error parsing command line:\n\t");
  error ("%s\n", message);
  fatalerror("\nTry --help for help.\n");
}

References error(), fatalerror(), and NULL.

Referenced by main(), and parseargs().

◆ chat()

int chat	(	const char *	format,
			...
	)

Definition at line 971 of file utils/frame.c.

{
    va_list ap;
    int result = 0;
 
    if (verboselevel > 5)
    {
    va_start( ap, format);
    result = vfprintf( stderr, format, ap);
    va_end( ap);
    }
    return result;
}

References result, and verboselevel.

Referenced by makewavheader(), myexit(), and readwavheader().

◆ checknoargs()

void checknoargs	(	int	argcount,
		char *	args[]
	)

Definition at line 717 of file utils/frame.c.

{
  int i, errorcount = 0;
 
  for (i = 1; i < argcount; i++)
    {
      if (args[i][0] != '\0')   /* An unused argument! */
    {
      errorcount++;
      if (errorcount == 1)
        error("The following arguments were not recognized:\n");
      error("\t%s\n", args[i]);
    }
    }
  if (errorcount > 0)           /* Errors are fatal */
    fatalerror("\nTry --help for help.\n");
 
  return;                       /* No errors? Return. */
}

References args, error(), and fatalerror().

Referenced by main().

◆ double2db()

double double2db ( double value )

Definition at line 1062 of file utils/frame.c.

{
  if (value < 0)
    value = -value;
  return 6.0 * log( value / 32767) / log( 2);
}

References value.

◆ error()

int error	(	const char *	format,
			...
	)

Definition at line 999 of file utils/frame.c.

{
    va_list ap;
    int result;
 
    va_start( ap, format);
    result = vfprintf( stderr, format, ap);
    va_end( ap);
    return result;
}

References result.

Referenced by __ast_pbx_run(), __rtp_recvfrom(), acl_handler(), acl_handler_fn(), aco_info_init(), aco_process_ast_config(), add_calltoken_ignore(), append_ha_core(), append_string(), apply_general_options(), argerror(), argerrornum(), argerrortxt(), ast_append_acl(), ast_append_ha(), ast_append_ha_with_port(), ast_ari_get_docs(), ast_channel_internal_errno_set(), ast_iostream_printf(), ast_json_load_buf(), ast_json_load_file(), ast_json_load_new_file(), ast_json_load_str(), ast_json_load_string(), ast_json_vpack(), ast_odbc_find_table(), ast_parse_arg(), ast_tcptls_client_create(), ast_tcptls_server_start(), AST_TEST_DEFINE(), astman_send_error(), authenticate(), auto_unload_resource(), build_callno_limits(), build_expression_queue(), checknoargs(), cli_show_monitors(), conf_load_config(), confbridge_cfg_alloc(), copy_error(), deliver_file(), endpoint_acl_handler(), evaluate_history_entry(), event_session_allocation_error_handler(), exec(), fax_gateway_attach(), fax_gateway_detect_t38(), fax_gateway_framehook(), fax_gateway_start(), fetch_access_token(), fetch_google_access_token(), generic_fax_exec(), handle_cli_agi_show(), handle_cli_queue_test(), handle_parse_error(), handler_wait_for_message(), http_callback(), iax2_hangup(), iax2_write(), ip_identify_match_handler(), ip_identify_match_host_lookup(), jingle_outgoing_hook(), jingle_send_error_response(), load_config(), load_module(), load_or_reload_lua_stuff(), load_pjsip(), logged_dlclose(), lua_get_state(), message_template_build(), minivm_accmess_exec(), named_acl_config_alloc(), ogg_speex_open(), parse_error(), persistence_generator_data_str2struct(), pjsip_enable_logger_host(), pubsub_on_rx_mwi_notify_request(), receivefax_exec(), refer_progress_alloc(), send_packet(), sendfax_exec(), setup_filestack(), skel_config_alloc(), sorcery_astdb_retrieve_fields_common(), sorcery_astdb_retrieve_id(), sorcery_astdb_retrieve_prefix(), sorcery_astdb_retrieve_regex(), sub_persistence_recreate(), t30_phase_e_handler(), test_config_alloc(), transport_localnet_handler(), unbound_config_alloc(), update2_ldap(), user_event_wait_for_events(), verification_apply(), verify_user_event_fields(), wait_for_channel_callback(), wait_for_device_state_updates(), write_cdr(), write_cel(), xmpp_component_register_get_hook(), xmpp_config_alloc(), and xmpp_pubsub_handle_error().

◆ fatalerror()

void fatalerror	(	const char *	format,
			...
	)

Definition at line 1010 of file utils/frame.c.

{
    va_list ap;
 
    va_start( ap, format);
    vfprintf( stderr, format, ap);
    va_end( ap);
    myexit(1);
}

References myexit().

Referenced by argerror(), argerrornum(), argerrortxt(), checknoargs(), main(), and parseargs().

◆ fatalperror()

void fatalperror ( const char * string )

Definition at line 1020 of file utils/frame.c.

{
  perror( string);
  myexit( 1);
}

References myexit().

Referenced by main(), parsefilearg(), readawaysamples(), and workloop().

◆ findoption()

int findoption	(	int	argcount,
		char *	args[],
		char *	s
	)

Definition at line 900 of file utils/frame.c.

{
   int i;
 
   if (test_usage)
     printf("Checking for option -%s\n", s);
 
   for (i=1; i<argcount; i++)
   {
     if (isoptionchar (args[i][0]) &&
     strncmp( args[i] + 1, s, strlen( s)) == 0)
       {
     args[i][0] = '\0';
     return i;
       }
   }
   return -1;
}

References args, isoptionchar(), and test_usage.

Referenced by parsedoublearg(), parseintarg(), parseswitcharg(), parsetimearg(), and parsevolarg().

◆ getremainingfilelength()

int getremainingfilelength	(	FILE *	anyin,
		long *	result
	)

Definition at line 58 of file utils/frame.c.

{
    long i;
 
    i = ftell(anyin);
    if (i == -1) return FALSE;
    if (fseek(anyin, 0, SEEK_END) == -1) return FALSE;
    *result = ftell(anyin);
    if (*result == -1) return FALSE;
    (*result) -= i;
    (*result) /= samplewidth;
    if (fseek(anyin, i, SEEK_SET) == -1) return FALSE;
    return TRUE;
}

References FALSE, result, samplewidth, and TRUE.

◆ inform()

int inform	(	const char *	format,
			...
	)

Definition at line 985 of file utils/frame.c.

{
    va_list ap;
    int result = 0;
 
    if (verboselevel > 1)
    {
    va_start( ap, format);
    result = vfprintf( stderr, format, ap);
    va_end( ap);
    }
    return result;
}

References result, and verboselevel.

Referenced by main(), parseargs(), and statistics().

◆ isoptionchar()

int isoptionchar ( char coal )

Definition at line 319 of file utils/frame.c.

{
   return (coal =='-');
}

Referenced by findoption(), and parsefilearg().

◆ makewavheader()

void makewavheader ( void )

Definition at line 219 of file utils/frame.c.

{
   unsigned int tempuint, filelength;
   unsigned short tempushort;
 
   /* If fseek fails, don't create the header. */
   if (fseek(out, 0, SEEK_END) != -1)
   {
       filelength = ftell(out);
       chat("filelength %d, ", filelength);
       fseek(out, 0, SEEK_SET);
       if (!fwrite("RIFF", 1, 4, out)) { /* 0 */
           return;
       }
       tempuint = filelength - 8;
       if (!fwrite(&tempuint, 4, 1, out)) {    /* 4 */
           return;
       }
       if (!fwrite("WAVEfmt ", 1, 8, out)) {   /* 8 */
           return;
       }
       /* length of fmt data 16 bytes */
       tempuint = 16;
       if (!fwrite(&tempuint, 4, 1, out)) {   /* 16 */
           return;
       }
       /* Format tag: 1 for pcm */
       tempushort = 1;
       if (!fwrite(&tempushort, 2, 1, out)) { /* 20 */
           return;
       }
       chat("%d channels\n", channels);
       if (!fwrite(&channels, 2, 1, out)) {
           return;
       }
       chat("samplefrequency %d\n", samplefrequency);
       if (!fwrite(&samplefrequency, 4, 1, out)) {   /* 24 */
           return;
       }
       /* Bytes per second */
       tempuint = channels * samplefrequency * 2;
       if (!fwrite(&tempuint, 4, 1, out)) {         /* 28 */
           return;
       }
       /* Block align */
       tempushort = 2 * channels;
       if (!fwrite(&tempushort, 2, 1, out)) {       /* 32 */
           return;
       }
       /* Bits per sample */
       tempushort = 16;
       if (!fwrite(&tempushort, 2, 1, out)) {       /* 34 */
           return;
       }
       if (!fwrite("data", 4, 1, out)) {            /* 36 */
           return;
       }
       tempuint = filelength - 44;
       if (!fwrite(&tempuint, 4, 1, out)) {   /* 40 */
           return;
       }
   }
   return;
}

References channels, chat(), out, and samplefrequency.

Referenced by main(), myexit(), and parseargs().

◆ mallocconcat()

char * mallocconcat	(	char *	one,
		char *	two
	)

Definition at line 1049 of file utils/frame.c.

{
    char *result;
 
    result = malloc( strlen( one) + strlen( two) + 1);
    if (result != NULL)
      {
    strcpy( result, one);
    strcat( result, two);
      }
    return result;
}

References malloc(), NULL, and result.

◆ malloccopy()

char * malloccopy ( char * string )

Definition at line 1038 of file utils/frame.c.

{
    char *result;
 
    result = malloc( strlen( string) + 1);
    if (result != NULL)
    strcpy( result, string);
    return result;
}

References malloc(), NULL, and result.

◆ myexit()

int myexit ( int value )

Definition at line 922 of file utils/frame.c.

{
  switch (value)
    {
    case 0:
      if (wavout)
    makewavheader();  /* Writes a fully informed .WAV header */
      chat("Success!\n");
      break;
    default:
      chat("Failure.\n");
      break;
    }
  exit (value);
}

References chat(), makewavheader(), value, and wavout.

Referenced by fatalerror(), fatalperror(), and main().

◆ parseargs()

void parseargs	(	int	argcount,
		char *	args[],
		int	fileswitch
	)

Definition at line 744 of file utils/frame.c.

{
   char *filename;
   int tempint = 0;
 
   if ((fileswitch & 1) != 0)     /* If getting infile  */
     in = NULL;
   if ((fileswitch & 4) != 0)     /* If getting outfile */
     out = NULL;
   wavout = FALSE;
   verboselevel = 5;
   samplefrequency = DEFAULTFREQ;
   samplewidth = 2;
   channels = 1;
 
   /*-----------------------------------------------*
    * First first check testcase, usage and version *
    *-----------------------------------------------*/
   test_usage = parseswitcharg( argcount, args, "-test-usage");
   if (parseswitcharg( argcount, args, "-help"))
       {
     printf("%s%s", usage, standardusage);
     exit(0);
       }
   if (parseswitcharg( argcount, args, "-version"))
       {
     printf("%s\n(%s)\n", version, standardversion);
     exit(0);
       }
   /*--------------------------------------*
    * Set verboselevel                     *
    *--------------------------------------*/
   while (parseswitcharg( argcount, args, "V"))
               verboselevel = 10;
   while (parseswitcharg( argcount, args, "Q"))
               verboselevel = 1;
   /*-------------------------------------------------*
    * Get filenames and open files *
    *-------------------------------------------------*/
   if ((fileswitch & 1) != 0)        /* Infile wanted */
     {
       infilename = parsefilearg( argcount, args);
       if (infilename == NULL)
     argerrornum( NULL, ME_NOINFILE);
       if (strcmp( infilename, "-") == 0)
     {
       infilename = "<stdin>";
       in = stdin;
       if ((fileswitch & 2) != 0)   /* Binfile wanted */
         readwavheader( in);
     }
       else
     {
       if ((fileswitch & 2) == 0)   /* Textfile wanted */
         in = fopen(infilename, "rt");
       else                         /* Binfile wanted */
         if ((in = fopen(infilename, "rb")) != NULL)
           readwavheader( in);
     }
       if (in == NULL)
     fatalerror("Error opening input file '%s': %s\n", infilename,strerror(errno));
       else
     inform("Using file '%s' as input\n", infilename);
     }
   if ((fileswitch & 4) != 0)        /* Outfile wanted */
     {
       outfilename = parsefilearg( argcount, args);
       if (outfilename == NULL)
     argerrornum( NULL, ME_NOOUTFILE);
       if (strcmp( outfilename, "-") == 0)
     {
       outfilename = "<stdout>";
       out = stdout;
     }
       else
     {
 
       if ((fileswitch & 8) == 0)   /* Textfile wanted */
         out = fopen(outfilename, "wt");
       else                         /* Binfile wanted */
         out = fopen(outfilename, "wb");
     }
       if (out == NULL)
     fatalerror("Error opening output file '%s': %s\n", outfilename,strerror(errno));
       else
     inform("Using file '%s' as output\n", outfilename);
     }
   if ((fileswitch & 32) != 0)      /* In-/Outfile wanted */
     {
       assert (in == NULL && out == NULL);
       infilename = outfilename = parsefilearg( argcount, args);
       if (outfilename == NULL)
     argerrornum( NULL, ME_NOIOFILE);
       if (strcmp( infilename, "-") == 0)
     argerrornum( infilename, ME_NOSTDIN);
       inform("Using file '%s' as input/output\n", outfilename);
       in = out = fopen(outfilename, "r+");
       if (out == NULL)
     fatalerror("Error opening input/output file '%s': %s\n", outfilename,strerror(errno));
 
       readwavheader( in);
     }
   if ((fileswitch & 16) == 0)  /* No additional files wanted */
     {
       if ((filename = parsefilearg( argcount, args)) != NULL)
     argerrornum( filename, ME_TOOMANYFILES);
     }
 
   /*-------------------------------------------------*
    * Set samplefrequency, width, wavout,
    *-------------------------------------------------*/
   parseintarg( argcount, args, "f", &samplefrequency);
   wavout = parseswitcharg( argcount, args, "h");
   if (parseintarg( argcount, args, "w", &tempint))
     {
       if (tempint != 16)
     argerrortxt(NULL, "Option -w is only valid "
             "with value 16. Sorry.");
       else
     samplewidth = tempint;
     }
   if (parseintarg( argcount, args, "c", &tempint))
     {
       if (tempint != 1 && tempint != 2)
     argerrortxt(NULL, "Option -c is only valid "
             "with values 1 or 2. Sorry.");
       else
     channels = tempint;
     }
   /*-------------------------------------------------*
    * Create WAV-header on output if wanted.          *
    *-------------------------------------------------*/
   if (wavout)
     switch (fileswitch & (12))
       {
       case 4:   /* User wants header on textfile */
     argerrornum( NULL, ME_HEADERONTEXTFILE);
       case 12:  /* User wants header on binfile  */
     makewavheader();
     break;
       case 0:   /* User wants header, but there is no outfile */
     /* Problem: what about i/o-file, 32? You might want a header
        on that? Better ignore this case. */
     break;
       case 8:    /* An application mustn't ask for this */
       default:   /* This can't happen */
     assert( FALSE);
       }
   return;
}

References argerrornum(), argerrortxt(), args, channels, DEFAULTFREQ, errno, FALSE, fatalerror(), in, infilename, inform(), makewavheader(), ME_HEADERONTEXTFILE, ME_NOINFILE, ME_NOIOFILE, ME_NOOUTFILE, ME_NOSTDIN, ME_TOOMANYFILES, NULL, out, outfilename, parsefilearg(), parseintarg(), parseswitcharg(), readwavheader(), samplefrequency, samplewidth, standardusage, standardversion, test_usage, usage, verboselevel, version, and wavout.

Referenced by main().

◆ parsedoublearg()

int parsedoublearg	(	int	argcount,
		char *	args[],
		char *	string,
		double *	result
	)

Definition at line 505 of file utils/frame.c.

{
  int i;
  double temp;
  char end;
 
  if ((i = findoption( argcount, args, string)) > 0)
    {
      switch (sscanf(args[i] + 1 + strlen( string), "%30lf%1c", &temp, &end))
    {
    case 0: case EOF: case 2:
      argerrornum(args[i]+1, ME_NODOUBLE);
      return FALSE;
    case 1:
      *result = temp;
      break;
    default:
      say("frame.c: This can't happen\n");
    }
      return TRUE;
    }
  else
    {
      return FALSE;
    }
}

References argerrornum(), args, end, FALSE, findoption(), ME_NODOUBLE, result, say(), and TRUE.

◆ parsefilearg()

char * parsefilearg	(	int	argcount,
		char *	args[]
	)

Definition at line 419 of file utils/frame.c.

{
  int i;
  char *result = NULL;
 
   for (i = 1; i < argcount; i++)
   {
      if (args[i][0] != '\0' &&
      (!isoptionchar (args[i][0]) || args[i][1] == '\0' ))
      {
    /*---------------------------------------------*
     * The argument is a filename:                 *
     * it is either no dash followed by something, *
     * or it is a dash following by nothing.       *
     *---------------------------------------------*/
    result = malloc( strlen( args[i]) + 1);
    if (result == NULL)
        fatalperror( "Couldn't allocate memory for filename\n");
    strcpy( result, args[i]);
    args[i][0] = '\0';                    /* Mark as used up */
    break;
      }
   }
   return result;
}

References args, fatalperror(), isoptionchar(), malloc(), NULL, and result.

Referenced by main(), and parseargs().

◆ parsefreq()

int parsefreq	(	char *	string,
		double *	result
	)

Definition at line 393 of file utils/frame.c.

{
    int k;
    double temp;
    char m, s, end;
 
    k = sscanf(string, "%30lf%1c%1c%1c", &temp, &m, &s, &end);
    switch (k)
      {
      case 0: case EOF: case 2: case 4:
    return FALSE;
      case 1:
    *result = temp;
    break;
      case 3:
    if (m == 'H' && s == 'z')
      *result = samplefrequency / temp;
    else
      return FALSE;
    break;
      default:
    argerrornum(NULL, ME_THISCANTHAPPEN);
      }
    return TRUE;
}

References argerrornum(), end, FALSE, ME_THISCANTHAPPEN, NULL, result, samplefrequency, and TRUE.

◆ parseintarg()

int parseintarg	(	int	argcount,
		char *	args[],
		char *	string,
		int *	result
	)

Definition at line 471 of file utils/frame.c.

{
  int i, temp;
  char c;
 
  if ((i = findoption( argcount, args, string)) > 0)
   {
      switch (sscanf(args[i] + 1 + strlen( string),
             "%30d%1c", &temp, &c))
      {
    case 0: case EOF: case 2:
            argerrornum(args[i]+1, ME_NOINT);
            return FALSE;
         case 1:
       *result = temp;
            break;
         default:
            say("frame.c: This can't happen\n");
      }
      return TRUE;
   }
  else
    {
      return FALSE;
    }
}

References argerrornum(), args, c, FALSE, findoption(), ME_NOINT, result, say(), and TRUE.

Referenced by parseargs().

◆ parseswitch()

int parseswitch	(	char *	found,
		char *	wanted
	)

Definition at line 445 of file utils/frame.c.

{
  if (strncmp( found, wanted, strlen( wanted)) == 0)
    {
      if (found[strlen( wanted)] == '\0')
    return TRUE;
      else
    argerrornum( found, ME_NOSWITCH);
    }
  return FALSE;
}

References argerrornum(), FALSE, ME_NOSWITCH, and TRUE.

◆ parseswitcharg()

int parseswitcharg	(	int	argcount,
		char *	args[],
		char *	string
	)

Definition at line 457 of file utils/frame.c.

{
  int i;
 
  if ((i = findoption( argcount, args, string)) > 0)
    {
      if (args[i][strlen( string) + 1] == '\0')
    return TRUE;
      else
    argerrornum( args[i] + 1, ME_NOSWITCH);
    }
  return FALSE;
}

References argerrornum(), args, FALSE, findoption(), ME_NOSWITCH, and TRUE.

Referenced by parseargs().

◆ parsetime()

int parsetime	(	char *	string,
		int *	result
	)

Definition at line 352 of file utils/frame.c.

{
    int k;
    double temp;
    char m, s, end;
 
    k = sscanf(string, "%30lf%1c%1c%1c", &temp, &m, &s, &end);
    switch (k)
      {
      case 0: case EOF: case 4:
    return FALSE;
      case 1:
    *result = temp;
    break;
      case 2:
    if (m == 's')
      *result = temp * samplefrequency;
    else
      return FALSE;
    break;
      case 3:
    if (m == 'm' && s == 's')
      *result = temp * samplefrequency / 1000;
    else if (m == 'H' && s == 'z')
      *result = samplefrequency / temp;
    else
      return FALSE;
    break;
      default:
    argerrornum(NULL, ME_THISCANTHAPPEN);
      }
    return TRUE;
}

References argerrornum(), end, FALSE, ME_THISCANTHAPPEN, NULL, result, samplefrequency, and TRUE.

Referenced by parsetimearg().

◆ parsetimearg()

int parsetimearg	(	int	argcount,
		char *	args[],
		char *	string,
		int *	result
	)

Definition at line 332 of file utils/frame.c.

{
    int i;
 
    if ((i = findoption( argcount, args, string)) > 0)
    {
    if (parsetime(args[i] + 1 + strlen( string), result))
        return TRUE;
    argerrornum(args[i]+1, ME_NOTIME);
    }
    return FALSE;
}

References argerrornum(), args, FALSE, findoption(), ME_NOTIME, parsetime(), result, and TRUE.

◆ parsevolarg()

int parsevolarg	(	int	argcount,
		char *	args[],
		char *	string,
		double *	result
	)

Definition at line 539 of file utils/frame.c.

{
  double vol = 1.0;
  char sbd, sbb, end;
  int i, weird = FALSE;
 
  if ((i = findoption( argcount, args, string)) > 0)
    {
      switch (sscanf(args[i] + 1 + strlen( string),
             "%30lf%1c%1c%1c", &vol, &sbd, &sbb, &end))
    {
      case 0: case EOF: case 4:
      weird = TRUE;
      break;    /* No number: error */
    case 1:
      *result = vol;
      break;
    case 2:
      if (sbd == '%')
        *result = vol / 100;
      else
        weird = TRUE;    /* One char but no percent: error */
      break;
    case 3:
      if (sbd =='d' && sbb == 'b')
        *result = pow(2, vol / 6.02);
      else
        weird = TRUE;    /* Two chars but not db: error */
      break;
    default:
      say("frame.c: This can't happen.\n");
    }
      if (weird)
    argerrornum( args[i] + 1, ME_NOVOL);
      /* ("Weird option: couldn't parse volume '%s'\n", args[i]+2); */
      return !weird;
    }
  else
    {
      return FALSE;
    }
}

References argerrornum(), args, end, FALSE, findoption(), ME_NOVOL, result, say(), and TRUE.

◆ parsevolume()

int parsevolume	(	char *	s,
		double *	result
	)

Definition at line 590 of file utils/frame.c.

{
    int k;
    char sbd, sbb, end;
 
    *result = 1.0;
    k = sscanf(s, "%30lf%1c%1c%1c", result, &sbd, &sbb, &end);
    switch (k)
    {
      case 0:
      case EOF:
      case 4:
       return FALSE;
      case 1:
       break;
      case 2:
       if (sbd != '%')
       return FALSE;
       (*result) /=100;
       break;
      case 3:
       if (sbd !='d' || sbb != 'b')
       return FALSE;
       (*result) = pow(2, (*result) / 6.02);
       break;
      default:
       say("parsevolume: This can't happen (%d).\n", k);
    }
    return TRUE;
}

References end, FALSE, result, say(), and TRUE.

◆ readawaysamples()

void readawaysamples	(	FILE *	in,
		size_t	size
	)

Definition at line 1069 of file utils/frame.c.

{
  short *buffer;
  int samplesread, count;
 
  buffer = malloc( sizeof( *buffer) * BUFFSIZE);
  if (buffer == NULL) fatalperror("Couldn't allocate buffer");
 
  while (size > 0)
    {
      if (size > BUFFSIZE)
    count = BUFFSIZE;
      else
    count = size;
 
      samplesread = fread( buffer, sizeof(*buffer), count, input);
      if (ferror( input) != 0)
    fatalperror("Error reading input file");
      size -= samplesread;
    }
  free( buffer);
}

References BUFFSIZE, fatalperror(), free(), input(), malloc(), and NULL.

◆ readpkheader()

void readpkheader ( FILE * anyin )

Definition at line 76 of file utils/frame.c.

{
   unsigned short tempushort;
   int tempint, i, x;
   unsigned char blood[8];
 
   for (i = 0; i < 11; i++)
   {
       if (!fread( &tempint, 4, 1, anyin)) {
           return;
       }
       printf( "%d: %d, ", i, tempint);
   }
   printf( "\n");
   if (!fread( blood, 1, 8, anyin)) {
       return;
   }
   for (i = 0; i < 8; i++)
       printf( "%d ", blood[i]);
   printf( "\n");
   for (i = 0; i < 8; i++)
   {
       for (x = 128; x > 0; x /= 2)
           printf((blood[i] & x) == 0? "0 ":"1 ");
       printf(i%4==3? "\n":"| ");
   }
   printf( "\n");
   for (i = 0; i < 2; i++)
   {
       if (!fread( &tempint, 4, 1, anyin)) {
           return;
       }
       printf( "%d: %d, ", i, tempint);
   }
   printf( "\n");
   for (i = 0; i < 2; i++)
   {
       if (!fread( &tempushort, 2, 1, anyin)) {
           return;
       }
       printf( "%d: %d, ", i, tempushort);
   }
   printf( "\n");
}

◆ readwavheader()

void readwavheader ( FILE * anyin )

Definition at line 126 of file utils/frame.c.

{
   unsigned int tempuint, sf;
   unsigned short tempushort, cn;
   char str[9];
   int nowav = FALSE;
 
   iswav = FALSE;
 
   if (ftell(anyin) == -1) /* If we cannot seek this file */
   {
       nowav = TRUE;   /* -> Pretend this is no wav-file */
       chat("File not seekable: not checking for WAV-header.\n");
   }
   else
   {
       /* Expect four bytes "RIFF" and four bytes filelength */
       if (!fread(str, 1, 8, anyin)) {           /* 0 */
           return;
       }
       str[4] = '\0';
       if (strcmp(str, "RIFF") != 0) nowav = TRUE;
       /* Expect eight bytes "WAVEfmt " */
       if (!fread(str, 1, 8, anyin)) {           /* 8 */
           return;
       }
       str[8] = '\0';
       if (strcmp(str, "WAVEfmt ") != 0) nowav = TRUE;
       /* Expect length of fmt data, which should be 16 */
       if (!fread(&tempuint, 4, 1, anyin)) {    /* 16 */
           return;
       }
       if (tempuint != 16) nowav = TRUE;
       /* Expect format tag, which should be 1 for pcm */
       if (!fread(&tempushort, 2, 1, anyin)) { /* 20 */
           return;
       }
       if (tempushort != 1)
           nowav = TRUE;
       /* Expect number of channels */
       if (!fread(&cn, 2, 1, anyin)) { /* 20 */
           return;
       }
       if (cn != 1 && cn != 2) nowav = TRUE;
       /* Read samplefrequency */
       if (!fread(&sf, 4, 1, anyin)) {  /* 24 */
           return;
       }
       /* Read bytes per second: Should be samplefreq * channels * 2 */
       if (!fread(&tempuint, 4, 1, anyin)) {         /* 28 */
           return;
       }
       if (tempuint != sf * cn * 2) nowav = TRUE;
       /* read bytes per frame: Should be channels * 2 */
       if (!fread(&tempushort, 2, 1, anyin)) {       /* 32 */
           return;
       }
       if (tempushort != cn * 2) nowav = TRUE;
       /* Read bits per sample: Should be 16 */
       if (!fread(&tempushort, 2, 1, anyin)) {       /* 34 */
           return;
       }
       if (tempushort != 16) nowav = TRUE;
       if (!fread(str, 4, 1, anyin)) {            /* 36 */
           return;
       }
       str[4] = '\0';
       if (strcmp(str, "data") != 0) nowav = TRUE;
       if (!fread(&tempuint, 4, 1, anyin)) {   /* 40 */
           return;
       }
       if (nowav)
       {
           fseek(anyin, 0, SEEK_SET);   /* Back to beginning of file */
           chat("File has no WAV header.\n");
       }
       else
       {
           samplefrequency = sf;
           channels = cn;
           chat("Read WAV header: %d channels, samplefrequency %d.\n",
             channels, samplefrequency);
           iswav = TRUE;
       }
   }
   return;
}

References channels, chat(), FALSE, iswav, samplefrequency, str, and TRUE.

Referenced by main(), and parseargs().

◆ say()

int say	(	const char *	format,
			...
	)

Definition at line 1026 of file utils/frame.c.

{
    va_list ap;
    int result;
 
    va_start( ap, format);
    result = vfprintf( stdout, format, ap);
    va_end( ap);
    return result;
}

References result.

Referenced by parsedoublearg(), parseintarg(), parsevolarg(), and parsevolume().

◆ startstopwatch()

void startstopwatch ( void )

Definition at line 307 of file utils/frame.c.

{
   stopwatch = time(NULL);       /* Remember time 'now' */
   atexit(statistics);           /* Call function statistics() at exit. */
 
   return;
}

References NULL, statistics(), and stopwatch.

Referenced by main().

◆ workloop()

int workloop	(	FILE *	theinfile,
		FILE *	theoutfile,
		int()(short buffer, int length)	work
	)

Definition at line 943 of file utils/frame.c.

{
  short *buffer;
  int length, nowlength;
 
  length = BUFFSIZE;
  if ((buffer = malloc( sizeof(short) * length)) == NULL)
    fatalperror ("");
  while (TRUE)
    {
      nowlength = fread(buffer, sizeof(short), length, theinfile);
      if (ferror( theinfile) != 0)
    fatalperror("Error reading input file");
      if (nowlength == 0)   /* Reached end of input file */
    break;
      /* Call the routine that does the work */
      if (!work (buffer, nowlength))         /* On error, stop. */
    return FALSE;
      if (!fwrite(buffer, sizeof(short), nowlength, theoutfile)) {
          return FALSE;
      }
      if (ferror( theoutfile) != 0)
    fatalperror("Error writing to output file");
    }
  return TRUE;      /* Input file done with, no errors. */
}

References BUFFSIZE, FALSE, fatalperror(), malloc(), NULL, and TRUE.

Variable Documentation

◆ channels

unsigned short channels

extern

Definition at line 30 of file utils/frame.c.

Referenced by makewavheader(), parseargs(), and readwavheader().

◆ in

FILE* in

extern

◆ infilename

char* infilename

extern

Definition at line 34 of file utils/frame.c.

Referenced by parseargs().

◆ iswav

int iswav

extern

Definition at line 32 of file utils/frame.c.

Referenced by main(), and readwavheader().

◆ out

FILE * out

Definition at line 45 of file utils/frame.h.

◆ outfilename

char * outfilename

Definition at line 46 of file utils/frame.h.

◆ samplefrequency

int samplefrequency

extern

Definition at line 28 of file utils/frame.c.

Referenced by makewavheader(), parseargs(), parsefreq(), parsetime(), and readwavheader().

◆ samplewidth

unsigned short samplewidth

extern

Definition at line 29 of file utils/frame.c.

Referenced by getremainingfilelength(), and parseargs().

◆ usage

char* usage

extern

Definition at line 37 of file utils/frame.c.

References PROGRAM.

Referenced by main(), parseargs(), and pbx_builtin_execiftime().

◆ verboselevel

int verboselevel

extern

Definition at line 35 of file utils/frame.c.

Referenced by chat(), inform(), and parseargs().

◆ version

char* version

extern

Definition at line 502 of file main/security_events.c.

Referenced by parseargs().

◆ wavout

int wavout

extern

Definition at line 31 of file utils/frame.c.

Referenced by main(), myexit(), and parseargs().

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ BUFFSIZE

◆ DEFAULTFREQ

◆ FALSE

◆ INBIN

◆ INTEXT

◆ IOBIN

◆ MINBUFFSIZE

◆ NOCOMPLAIN

◆ NOFILES

◆ OUTBIN

◆ OUTTEXT

◆ TRUE

Enumeration Type Documentation

◆ Errornum

Function Documentation

◆ argerror()

◆ argerrornum()

◆ argerrortxt()

◆ chat()

◆ checknoargs()

◆ double2db()

◆ error()

◆ fatalerror()

◆ fatalperror()

◆ findoption()

◆ getremainingfilelength()

◆ inform()

◆ isoptionchar()

◆ makewavheader()

◆ mallocconcat()

◆ malloccopy()

◆ myexit()

◆ parseargs()

◆ parsedoublearg()

◆ parsefilearg()

◆ parsefreq()

◆ parseintarg()

◆ parseswitch()

◆ parseswitcharg()

◆ parsetime()

◆ parsetimearg()

◆ parsevolarg()

◆ parsevolume()

◆ readawaysamples()

◆ readpkheader()

◆ readwavheader()

◆ say()

◆ startstopwatch()

◆ workloop()

Variable Documentation

◆ channels

◆ in

◆ infilename

◆ iswav

◆ out

◆ outfilename

◆ samplefrequency

◆ samplewidth

◆ usage

◆ verboselevel

◆ version

◆ wavout