matroska: fix content encoding scope validity check

It's 3 bits, and http://matroska.org/technical/specs/index.html
says it can't be 0.

Coverity 1139660

diff --git a/gst/matroska/matroska-read-common.c b/gst/matroska/matroska-read-common.c
index fd10924..da70720 100644 (file)
--- a/gst/matroska/matroska-read-common.c
+++ b/gst/matroska/matroska-read-common.c
@@ -2664,7 +2664,7 @@ gst_matroska_read_common_read_track_encoding (GstMatroskaReadCommon * common,
         if ((ret = gst_ebml_read_uint (ebml, &id, &num)) != GST_FLOW_OK)
           break;
 
-        if (num > 7 && num == 0) {
+        if (num > 7 || num == 0) {
           GST_ERROR_OBJECT (common, "Invalid ContentEncodingScope %"
               G_GUINT64_FORMAT, num);
           ret = GST_FLOW_ERROR;