103 lines
2.0 KiB
C
103 lines
2.0 KiB
C
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/*
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* TEXT TO WAV
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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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#define SMPL_COUNT 8192
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/*
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* WARNING !
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* this function can read only 16bits stereo input
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*/
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int convert_text_to_wav(FILE *input, char *outfname, int format)
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{
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SNDFILE * sndf;
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SF_INFO sfinfo;
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short *buffer;
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int left, right;
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int nb_lus, idx;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' )\n", __func__, outfname);
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#endif
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if (format) {
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fprintf(stderr, "in %s, format must be 0, was %d\n",
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__func__, format);
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exit(1);
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}
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/*
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* allocate memory for input garbage
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*/
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if (NULL==(buffer=malloc(SMPL_COUNT * sizeof(short) * 2))) {
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fprintf(stderr, "%s: MEMORY FULL\n", __func__);
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abort();
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}
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memset(&sfinfo, 0, sizeof(sfinfo)); /* be clean */
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sfinfo.samplerate = 44100;
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sfinfo.channels = 2;
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sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
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if ( ! (sndf=sf_open(outfname, SFM_WRITE, &sfinfo)) ) {
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fprintf(stderr, "write to %s : err %s\n",
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outfname, sf_strerror (NULL));
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return -2;
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}
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/*
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* and now, ladies an gentelman, entering the big loop
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*/
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nb_lus = idx = 0;
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memset(buffer, 0, SMPL_COUNT * sizeof(short) * 2);
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while (2==fscanf(input, "%d %d", &left, &right)) {
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buffer[idx++] = left;
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buffer[idx++] = right;
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if (idx >= SMPL_COUNT) {
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/* flush buffer to file */
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sf_write_short(sndf, buffer, idx);
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idx = 0;
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memset(buffer, 0, SMPL_COUNT * sizeof(short) * 2);
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}
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nb_lus += 1;
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}
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sf_write_short(sndf, buffer, idx);
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sf_close(sndf);
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fprintf(stderr, "%s: %d buffers written\n", __func__, nb_lus);
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return 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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print_version(argv[0]);
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if (2 != argc) {
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fprintf(stderr, "fubarized\n");
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exit(1);
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}
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foo = convert_text_to_wav(stdin, argv[1], 0);
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fprintf(stderr, "got a %d from text->wav converter\n", foo);
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return 0;
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}
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/* --------------------------------------------------------------- */
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