99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/*
|
|
* WAV TO TEXT
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <sndfile.h>
|
|
|
|
#include "support.h"
|
|
|
|
/* --------------------------------------------------------------- */
|
|
/*
|
|
* at this time, 'format' must be 0
|
|
*/
|
|
int convert_wav_to_text(char *infname, int format)
|
|
{
|
|
SNDFILE * sndf;
|
|
SF_INFO sfinfo;
|
|
int foo, lu;
|
|
short * samples;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, ">>> %s ( '%s' )\n", __func__, infname);
|
|
#endif
|
|
|
|
if (format) {
|
|
fprintf(stderr, "in %s, format must be 0 and was %d\n",
|
|
__func__, format);
|
|
exit(1);
|
|
}
|
|
|
|
memset(&sfinfo, 0, sizeof(sfinfo)); /* be clean */
|
|
|
|
sndf = sf_open(infname, SFM_READ, &sfinfo);
|
|
if (sndf==NULL)
|
|
{
|
|
/*catch the snfile errmsg here XXX */
|
|
fprintf(stderr, "error sf_opening %s\n", infname);
|
|
exit(1);
|
|
}
|
|
|
|
foo = display_sf_info(&sfinfo, infname);
|
|
if (foo) {
|
|
fprintf(stderr, "%s: corrupted sf_info ?\n", __func__);
|
|
abort();
|
|
}
|
|
if (2 != sfinfo.channels) {
|
|
fprintf(stderr, "/!\\ %s is not a stereo file, exiting...\n",
|
|
infname);
|
|
return -2;
|
|
}
|
|
|
|
/* get memory for bufferins read from sound file */
|
|
if ( NULL == (samples = malloc(BUFFER_SIZE*sizeof(short))) )
|
|
{
|
|
perror("\n no memory in converter");
|
|
abort();
|
|
}
|
|
|
|
while ( (lu=sf_read_short(sndf, samples, BUFFER_SIZE)) > 0 )
|
|
{
|
|
// fprintf(stderr, " LU = %5u\n", lu);
|
|
|
|
for (foo=0; foo<lu; foo+=2) {
|
|
printf("%d %d\n", samples[foo], samples[foo+1]);
|
|
}
|
|
}
|
|
/*
|
|
* job done, some cleanup
|
|
*/
|
|
free(samples);
|
|
sf_close(sndf);
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------- */
|
|
void usage(void)
|
|
{
|
|
printf("usage:\n\twav2txt 1337.wav\n");
|
|
exit(0);
|
|
}
|
|
/* --------------------------------------------------------------- */
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int foo;
|
|
int format = 0;
|
|
print_version(argv[0]);
|
|
|
|
if (2 != argc) usage();
|
|
|
|
foo = convert_wav_to_text(argv[1], format);
|
|
fprintf(stderr, "got a %d from wav->text converter\n", foo);
|
|
|
|
return 0;
|
|
}
|
|
/* --------------------------------------------------------------- */
|