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/* ----------------------------------------------------------------- */
/* The Speech Signal Processing Toolkit (SPTK) */
/* developed by SPTK Working Group */
/* http://sp-tk.sourceforge.net/ */
/* ----------------------------------------------------------------- */
/* */
/* Copyright (c) 1984-2007 Tokyo Institute of Technology */
/* Interdisciplinary Graduate School of */
/* Science and Engineering */
/* */
/* 1996-2015 Nagoya Institute of Technology */
/* Department of Computer Science */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* - Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials provided */
/* with the distribution. */
/* - Neither the name of the SPTK working group nor the names of its */
/* contributors may be used to endorse or promote products derived */
/* from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS */
/* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, */
/* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, */
/* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY */
/* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* ----------------------------------------------------------------- */
/************************************************************************
* *
* Split stereo WAV file into two monaural WAV files *
* *
* 2013.3 Akira Tamamori *
* 2014.8 Takashi Aritake *
* *
* usage: *
* wavsplit [ options ] *
* options: *
* -i I : Input WAV file or directory *
* -o O : Output WAV files or directories *
* infile: *
* wav file format *
* outfile: *
* wav file format *
* *
************************************************************************/
static char *rcs_id = "";
/* Standard C Libraries */
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#ifndef HAVE_STRRCHR
#define strrchr rindex
#endif
#endif
#if defined(WIN32)
#include "SPTK.h"
#else
#include <SPTK.h>
#endif
#define STRLEN 512
/* Command Name */
char *cmnd;
void usage(int status)
{
fprintf(stderr, "\n");
fprintf(stderr, " %s - Split stereo WAV file into two monaural WAV files \n",
cmnd);
fprintf(stderr, "\n");
fprintf(stderr, " usage:\n");
fprintf(stderr, " %s [ options ] \n", cmnd);
fprintf(stderr, " options:\n");
fprintf(stderr, " -i I : Input WAV file or directory\n");
fprintf(stderr, " -o O : Output WAV files or directories\n");
fprintf(stderr, " -h : print this message\n");
fprintf(stderr, " infile:\n");
fprintf(stderr, " wav file format \n");
fprintf(stderr, " outfile:\n");
fprintf(stderr, " wav file format \n");
fprintf(stderr, " notice:\n");
fprintf(stderr, " wavsplit does not distinguish between\n");
fprintf(stderr, " small and capital letters of the file extension.\n");
fprintf(stderr,
" The first output WAV file or directory is related \n");
fprintf(stderr,
" to channel 0, and the other is related to channel 1.\n");
#ifdef PACKAGE_VERSION
fprintf(stderr, "\n");
fprintf(stderr, " SPTK: version %s\n", PACKAGE_VERSION);
fprintf(stderr, " CVS Info: %s", rcs_id);
#endif
fprintf(stderr, "\n");
exit(status);
}
int main(int argc, char **argv)
{
int i, j;
char *indir = NULL, *inname = NULL, *tmp;
char *outdir[2], *outname[2];
for (i = 0; i < 2; i++) {
outdir[i] = NULL;
outname[i] = NULL;
}
char strtmp[STRLEN];
Filelist filelist;
Wavfile wavin, wavout[2];
if ((cmnd = strrchr(argv[0], '/')) == NULL) {
cmnd = argv[0];
} else {
cmnd++;
}
while (--argc) {
if (**++argv == '-') {
switch (*(*argv + 1)) {
case 'i': /* input */
separate_path(&indir, &inname, *++argv);
--argc;
break;
case 'o': /* output directory */
/* single output */
separate_path(&outdir[0], &outname[0], *++argv);
--argc;
/* double output */
if (argc > 1) {
if (**(argv + 1) != '-') {
separate_path(&outdir[1], &outname[1], *++argv);
if ((outname[0] == NULL) ^ (outname[1] == NULL)) {
fprintf(stderr,
"%s : The outputs must be either wavfile or directory!\n",
cmnd);
usage(EXIT_FAILURE);
}
--argc;
}
}
break;
case 'h':
usage(EXIT_SUCCESS);
break;
default:
fprintf(stderr, "%s : Invalid option '%c'!\n", cmnd, *(*argv + 1));
usage(EXIT_FAILURE);
}
}
}
if (outname[0] != NULL && outname[1] == NULL) {
fprintf(stderr, "%s : Output wav files must be pair! \n", cmnd);
usage(EXIT_FAILURE);
}
if (indir == NULL) {
fprintf(stderr, "%s : Input directory or wav file must be specified! \n",
cmnd);
usage(EXIT_FAILURE);
}
if (outdir[0] == NULL) {
fprintf(stderr,
"%s : The output wav file or directory must be specified! \n",
cmnd);
usage(EXIT_FAILURE);
}
if (inname == NULL) {
if (!get_wav_list(&filelist, indir)) {
fprintf(stderr, "%s : Can't open directory %s!\n", cmnd, indir);
usage(EXIT_FAILURE);
}
if (outname[0] != NULL) {
fprintf(stderr,
"%s : The outputs must be directory, if the input is directory!\n",
cmnd);
usage(EXIT_FAILURE);
}
} else {
filelist.num = 1;
filelist.name = (char **) getmem(1, sizeof(char *));
filelist.name[0] = (char *) getmem(STRLEN, sizeof(char));
strcpy(filelist.name[0], inname);
}
for (i = 0; i < filelist.num; i++) {
/* Read WAV file */
sprintf(strtmp, "%s/%s", indir, filelist.name[i]);
if (!wavread(&wavin, strtmp)) {
fprintf(stderr, "%s : Can't open %s!\n", cmnd, strtmp);
usage(EXIT_FAILURE);
}
if (wavin.channel_num != 2) {
fprintf(stderr, "%s isn't the stereo WAV file! \n", strtmp);
continue;
}
wavsplit(wavout, &wavin);
for (j = 0; j < wavin.channel_num; j++) {
if (outdir[1] == NULL) { /* single output */
tmp = strrchr(filelist.name[i], '.');
if (j == 0 && tmp != NULL) {
*tmp = '\0';
}
sprintf(strtmp, "%s/%s_%d.wav", outdir[0], filelist.name[i], j);
} else { /* double output */
if (outname[0] == NULL && outname[1] == NULL) {
sprintf(strtmp, "%s/%s", outdir[j], filelist.name[i]);
} else {
sprintf(strtmp, "%s/%s", outdir[j], outname[j]);
}
}
if (!wavwrite(&(wavout[j]), strtmp)) {
fprintf(stderr, "%s : Can't open %s! \n", cmnd, strtmp);
usage(EXIT_FAILURE);
}
}
free_wav_data(&wavin);
for (j = 0; j < wavin.channel_num; j++) {
free_wav_data(&(wavout[j]));
}
}
free_wav_list(&filelist);
return 0;
}
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