From 19c47f9673438f46b6fa82821373af80fc115da4 Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Date: Fri, 7 Aug 2009 13:07:17 +0200
Subject: [PATCH] baseparse: prevent infinite loop when draining

---
 gst/aacparse/gstbaseparse.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/gst/aacparse/gstbaseparse.c b/gst/aacparse/gstbaseparse.c
index ffb17f3fc8..cdd8b1822c 100644
--- a/gst/aacparse/gstbaseparse.c
+++ b/gst/aacparse/gstbaseparse.c
@@ -872,6 +872,8 @@ gst_base_parse_drain (GstBaseParse * parse)
 {
   guint avail;
 
+  GST_DEBUG_OBJECT (parse, "draining");
+
   for (;;) {
     avail = gst_adapter_available (parse->adapter);
     if (!avail)
@@ -881,6 +883,12 @@ gst_base_parse_drain (GstBaseParse * parse)
     if (gst_base_parse_chain (parse->sinkpad, NULL) != GST_FLOW_OK) {
       break;
     }
+
+    /* nothing changed, maybe due to truncated frame; break infinite loop */
+    if (avail == gst_adapter_available (parse->adapter)) {
+      GST_DEBUG_OBJECT (parse, "no change during draining; flushing");
+      gst_adapter_clear (parse->adapter);
+    }
   }
 }