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#include "sfconfig.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <sndfile.h>
static void *
get_cues (const char *filename, double *sr)
{
SNDFILE *file;
SF_INFO sfinfo;
unsigned int err, size;
uint32_t count = 0;
SF_CUES_VAR(0) *info;
if ((file = sf_open(filename, SFM_READ, &sfinfo)) == NULL)
{
printf("can't open file '%s'\n", filename);
exit(1);
}
printf("\n---- get cues of file '%s'\n", filename);
if ((err = sf_command(file, SFC_GET_CUE_COUNT, &count, sizeof(uint32_t))) == SF_FALSE)
{
if (sf_error(file))
{
printf("can't get cue info size for file '%s' (arg size %lu), err %s\n",
filename, sizeof(uint32_t), sf_strerror(file));
exit(2);
}
else
printf("no cue info for file '%s'\n", filename);
return NULL;
}
size = sizeof(*info) + count * sizeof(SF_CUE_POINT);
printf("number of cues %d size %d\n", count, size);
if (!(info = malloc(size)))
return NULL;
if (sf_command(file, SFC_GET_CUE, info, size) == SF_FALSE)
{
printf("can't get cue info of size %d for file '%s' error %s\n",
size, filename, sf_strerror(file));
exit(3);
}
*sr = sfinfo.samplerate;
sf_close(file);
return info;
}
static void
test_cues (const char *filename)
{
unsigned int i;
double sr;
SF_CUES_VAR(0) *info = get_cues(filename, &sr);
if (info == NULL)
exit(1);
for (i = 0; i < info->cue_count; i++)
{
int pos = info->cue_points[i].position;
double t = (double) pos / sr;
double expected = i < 8 ? (double) i / 3. : 10. / 3.;
double error = (double) fabs(t - expected);
printf("cue %02d: markerID %02d position %6d offset %6d (time %.3f expected %.3f diff %f) label '%s'\n",
i, info->cue_points[i].indx, pos, info->cue_points[i].sample_offset, t, expected, error, info->cue_points[i].name);
if (error > 0.025)
exit(4);
}
free(info);
}
static void
print_cues (const char *filename)
{
unsigned int i;
double sr;
SF_CUES_VAR(0) *info = get_cues(filename, &sr);
if (info == NULL)
exit(1);
for (i = 0; i < info->cue_count; i++)
{
int pos = info->cue_points[i].position;
int indx = info->cue_points[i].indx;
int cstart = info->cue_points[i].chunk_start;
int bstart = info->cue_points[i].block_start;
int offset = info->cue_points[i].sample_offset;
const char *name = info->cue_points[i].name;
double t = (double) pos / sr;
if (cstart != 0 || bstart != 0)
printf("cue %02d time %7.3f: markerID %02d position %8d chunk_start %d block_start %d offset %8d label '%s'\n",
i, t, indx, pos, offset, cstart, bstart, name);
else
printf("cue %02d time %7.3f: markerID %02d position %8d offset %8d label '%s'\n",
i, t, indx, pos, offset, name);
}
free(info);
}
int
main (int argc, char **argv)
{
int i;
if (argc > 1)
for (i = 1; i < argc; i++)
print_cues(argv[i]);
else
{
test_cues("clickpluck24.wav");
test_cues("clickpluck.wav");
test_cues("clickpluck.aiff");
}
return 0;
}
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