ref: baaa888c574e075222ad70b002fe6a140a19098b
dir: /testsuite/combine_waves_main.c/
/*************************************************************************/ /* */ /* Language Technologies Institute */ /* Carnegie Mellon University */ /* Copyright (c) 2003 */ /* All Rights Reserved. */ /* */ /* Permission is hereby granted, free of charge, to use and distribute */ /* this software and its documentation without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of this work, and to */ /* permit persons to whom this work is furnished to do so, subject to */ /* the following conditions: */ /* 1. The code must retain the above copyright notice, this list of */ /* conditions and the following disclaimer. */ /* 2. Any modifications must be clearly marked as such. */ /* 3. Original authors' names are not deleted. */ /* 4. The authors' names are not used to endorse or promote products */ /* derived from this software without specific prior written */ /* permission. */ /* */ /* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */ /* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */ /* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */ /* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */ /* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */ /* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */ /* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */ /* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */ /* THIS SOFTWARE. */ /* */ /*************************************************************************/ /* Author: Alan W Black ([email protected]) */ /* Date: November 2003 */ /*************************************************************************/ /* */ /* Combine multichannel waveforms into a single waveform file */ /*************************************************************************/ #include <stdio.h> #include "cst_wave.h" #include "cst_tokenstream.h" #include "cst_args.h" float decode_time(const char *ctime) { /* return number of seconds from time */ return 0.0; } cst_val *get_wavelist(const char *wavelistfile) { cst_val *l = 0; cst_tokenstream *ts; const char *token; int i=0; ts = ts_open(wavelistfile, cst_ts_default_whitespacesymbols, cst_ts_default_singlecharsymbols, cst_ts_default_prepunctuationsymbols, cst_ts_default_postpunctuationsymbols); if (!ts) { fprintf(stderr,"combine_waves: can't open \"%s\"\n",wavelistfile); return 0; } while ((token=ts_get(ts)) != 0) { l = cons_val(string_val(token),l); i++; } if (i%2 != 0) { fprintf(stderr,"combine_waves: doesn't have matched pairs \"%s\"\n",wavelistfile); delete_val(l); l = 0; } ts_close(ts); return val_reverse(l); } int main(int argc, char **argv) { cst_wave *nw, *all; cst_val *files; const cst_val *w; cst_val *wavelist; cst_features *args; int i,j; float ntime; int stime; const char *nwfile; args = new_features(); files = cst_args(argv,argc, "usage: combine_waves OPTIONS\n" "Combine waves into single waveform\n" "-o <string> Output waveform\n" "-f <int> Input sample rate (for raw input)\n" "-itype <string> Input type, raw or headered\n" "-wavelist <string> File containing times and wave filenames\n", args); wavelist = get_wavelist(get_param_string(args,"-wavelist","-")); if (wavelist == 0) return -1; all = new_wave(); for (w = wavelist; w; w = val_cdr(w)) { ntime = decode_time(val_string(val_car(w))); nwfile = val_string(val_car(val_cdr(w))); nw = new_wave(); if (cst_wave_load_riff(nw,nwfile) != CST_OK_FORMAT) { fprintf(stderr, "combine_waves: can't read file or wrong format \"%s\"\n", nwfile); continue; } stime = ntime * nw->sample_rate; cst_wave_resize(all,stime+nw->num_samples,1); for (i=0,j=stime; i<nw->num_samples; i++,j++) { /* this will cause overflows */ all->samples[j] += nw->samples[i]; } delete_wave(nw); } cst_wave_save_riff(all,get_param_string(args,"-o","-")); return 0; }