Fortraneries/SoundBrotching/c-tools/wav2text.c

97 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, 0);
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 ) {
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;
}
/* --------------------------------------------------------------- */