From 7be2ee8710f19f53b742994c701b2d95310a529e Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Date: Tue, 2 Nov 2010 17:04:04 +0100
Subject: [PATCH] matroskademux: normalize empty Cues to no Cues

... to trigger indexless seeking.
---
 gst/matroska/matroska-demux.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index e07526489a..3bc8cd4f8d 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -3441,6 +3441,12 @@ gst_matroska_demux_parse_index (GstMatroskaDemux * demux, GstEbmlRead * ebml)
 
   demux->index_parsed = TRUE;
 
+  /* sanity check; empty index normalizes to no index */
+  if (demux->index->len == 0) {
+    g_array_free (demux->index, TRUE);
+    demux->index = NULL;
+  }
+
   return ret;
 }