Initial commit of mpg123-1.29.3

src/tests/seek_whence.c

@@ -0,0 +1,56 @@
+#include "compat.h"
+#include <mpg123.h>
+#include "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 %"OFF_P" vs. pos %"OFF_P"\n", length, 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;
+}