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sndinfo.c
125 lines (116 loc) · 3.62 KB
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sndinfo.c
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/* sndinfo describes sounds */
#include "mus-config.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#include <string.h>
#include <errno.h>
#include <time.h>
#include "sndlib.h"
static char *display_maxamps(const char *filename, int chans)
{
char *ampstr;
char fstr[16];
int i, len;
mus_float_t *vals;
mus_long_t *times;
len = chans * 32;
ampstr = (char *)calloc(len, sizeof(char));
vals = (mus_float_t *)calloc(chans, sizeof(mus_float_t));
times = (mus_long_t *)calloc(chans, sizeof(mus_long_t));
snprintf(ampstr, len, "\n max amp%s: ", (chans > 1) ? "s" : "");
mus_sound_maxamps(filename, chans, vals, times);
for (i = 0; i < chans; i++)
{
snprintf(fstr, 16, "%.3f ", vals[i]);
strcat(ampstr, fstr);
}
free(vals);
free(times);
return(ampstr);
}
int main(int argc, char *argv[])
{
int chans, srate, ctr;
mus_sample_t samp_type;
mus_header_t type;
mus_long_t samples;
float length = 0.0;
time_t date;
int *loops = NULL;
char *comment, *header_name;
char *samp_type_info = NULL, *samp_type_name, *ampstr = NULL;
char timestr[64];
if (argc == 1) {printf("usage: sndinfo file\n"); exit(0);}
mus_sound_initialize();
for (ctr = 1; ctr < argc; ctr++)
{
if (mus_file_probe(argv[ctr])) /* see if it exists */
{
date = mus_sound_write_date(argv[ctr]);
srate = mus_sound_srate(argv[ctr]);
if (srate == MUS_ERROR)
{
fprintf(stdout, "%s: not a sound file?\n", argv[ctr]);
continue;
}
chans = mus_sound_chans(argv[ctr]);
samples = mus_sound_samples(argv[ctr]);
comment = mus_sound_comment(argv[ctr]);
if ((chans > 0) && (srate > 0))
length = (float)((double)samples / (double)(chans * srate));
loops = mus_sound_loop_info(argv[ctr]);
type = mus_sound_header_type(argv[ctr]);
header_name = (char *)mus_header_type_name(type);
samp_type = mus_sound_sample_type(argv[ctr]);
if (samp_type != MUS_UNKNOWN_SAMPLE)
samp_type_info = (char *)mus_sample_type_name(samp_type);
else
{
int orig_type;
if (samp_type_info == NULL) samp_type_info = (char *)calloc(64, sizeof(char));
orig_type = mus_sound_original_sample_type(argv[ctr]);
samp_type_name = (char *)mus_header_original_sample_type_name(orig_type, type);
if (samp_type_name)
snprintf(samp_type_info, 64, "%d (%s)", orig_type, samp_type_name);
else snprintf(samp_type_info, 64, "%d", orig_type);
}
fprintf(stdout, "%s:\n srate: %d\n chans: %d\n length: %f",
argv[ctr], srate, chans, length);
if (length < 10.0)
{
int samps;
samps = mus_sound_framples(argv[ctr]);
fprintf(stdout, " (%d sample%s)", samps, (samps != 1) ? "s" : "");
}
fprintf(stdout, "\n");
fprintf(stdout, " header type: %s\n sample type: %s\n ",
header_name,
samp_type_info);
strftime(timestr, 64, "%a %d-%b-%Y %H:%M %Z", localtime(&date));
fprintf(stdout, "written: %s", timestr);
if ((chans > 0) && (mus_sound_maxamp_exists(argv[ctr])))
{
ampstr = display_maxamps(argv[ctr], chans);
if (ampstr) fprintf(stdout, "%s", ampstr);
}
fprintf(stdout, "\n");
if (comment) fprintf(stdout, " comment: %s\n", comment);
if (loops)
{
fprintf(stdout, " loop: %d to %d\n", loops[0], loops[1]);
if (loops[2] != 0)
fprintf(stdout, " loop: %d to %d\n", loops[2], loops[3]);
if (loops[0] != 0)
fprintf(stdout, " base: %d, detune: %d\n", loops[4], loops[5]);
}
}
else
fprintf(stderr, "%s: %s\n", argv[ctr], strerror(errno));
if (ctr < argc - 1) fprintf(stdout, "\n");
}
return(0);
}