looper/subprojects/mpg123/src/tests/seek_whence.c
2024-09-28 10:31:18 -07:00

57 lines
1.3 KiB
C

#include "config.h"
#include "../compat/compat.h"
#include <mpg123.h>
#include "../common/debug.h"
int test_whence(const char* path, int scan_before)
{
int err = MPG123_OK;
mpg123_handle* mh = NULL;
off_t length, pos;
mh = mpg123_new(NULL, &err );
if(mh == NULL) return -1;
err = mpg123_open(mh, path );
if(err != MPG123_OK) return -1;
if(scan_before) mpg123_scan(mh);
pos = mpg123_seek( mh, 0, SEEK_END);
if(pos < 0){ error1("seek failed: %s", mpg123_strerror(mh)); return -1; }
pos = mpg123_tell(mh);
length = mpg123_length(mh);
/* Later: Read samples and compare different whence values with identical seek positions. */
mpg123_close(mh);
mpg123_delete(mh);
fprintf(stdout, "length %" PRIiMAX " vs. pos %" PRIiMAX "\n", (intmax_t)length, (intmax_t)pos);
return (pos == length) ? 0 : -1;
}
int main(int argc, char **argv)
{
int err = 0, errsum = 0;
if(argc < 2)
{
printf("Gimme a MPEG file name...\n");
return 0;
}
mpg123_init();
fprintf(stderr, "End seek without (explicit) scanning: ");
err = test_whence(argv[1], 0);
fprintf(stdout, "%s\n", err == 0 ? "PASS" : "FAIL");
errsum += err;
fprintf(stderr, "End seek with explicit scanning: ");
err = test_whence(argv[1], 1);
fprintf(stdout, "%s\n", err == 0 ? "PASS" : "FAIL");
errsum += err;
mpg123_exit();
printf("%s\n", errsum ? "FAIL" : "PASS");
return errsum;
}