--- codec.c	2002/10/12 14:40:36	1.23.2.3
+++ codec.c	2002/10/24 07:28:18	1.23.2.4
@@ -236,6 +236,13 @@
 	// DEBUG2("frate fscale", codec->frate, codec->fscale);
 	codec->fincr = icf->dwScale;
 	codec->fbase = icf->dwRate;
+
+	if (codec->fbase == 0 || codec->fincr == 0)
+	{
+		codec->fbase = 25;
+		codec->fincr = 1;
+	}
+
 	return ICERR_OK;
 }