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record.c
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C/C++ Source or Header
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1990-01-10
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76 lines
/* record.c - record from the microphone input
**
** Copyright (C) 1989 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation. This software is provided "as is" without express or
** implied warranty.
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/signal.h>
#include "libsst.h"
#define MYBUF 256
int sst_fd;
main( argc, argv )
int argc;
char *argv[];
{
int rrtn, wrtn;
unsigned char buf[MYBUF];
int file_fd;
int sighandler();
sst_fd = sst_open( );
file_fd = 1;
(void) signal( SIGHUP, sighandler );
(void) signal( SIGINT, sighandler );
if ( ioctl( sst_fd, AUDIOREADSTART, &rrtn ) < 0 )
{
perror( "AUDIOREADSTART" );
exit( 1 );
}
for ( ; ; )
{
rrtn = read( sst_fd, buf, MYBUF );
if ( rrtn < 0 )
{
perror( "read" );
exit( 1 );
}
if ( rrtn == 0 )
break;
wrtn = write( file_fd, buf, rrtn );
if ( wrtn < 0 )
{
perror( "write" );
exit( 1 );
}
if ( wrtn != rrtn )
{
fprintf( stderr, "record: rrtn = %d, wrtn = %d\n", rrtn, wrtn );
exit( 1 );
}
}
sst_close( file_fd );
exit( 0 );
}
int
sighandler( )
{
sst_close( sst_fd );
exit( 1 );
}