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