From 8bf4c1e1a84b1b3c1310cf539b8eba49286012a9 Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Date: Tue, 15 Feb 2011 13:42:58 +0000
Subject: queue2: don't read beyond the end of file upstream in pull mode

... which could lead to a premature eos being reported downstream,
rather than a successful partial read which would result when
performed directly on e.g. basesrc.
---
(limited to 'plugins/elements/gstqueue2.c')

diff --git a/plugins/elements/gstqueue2.c b/plugins/elements/gstqueue2.c
index 956f2b9..ab55cbb 100644
--- a/plugins/elements/gstqueue2.c
+++ b/plugins/elements/gstqueue2.c
@@ -2657,6 +2657,14 @@ gst_queue2_get_range (GstPad * pad, guint64 offset, guint length,
       goto out_unexpected;
   }
 
+  if (G_UNLIKELY (offset + length > queue->upstream_size)) {
+    gst_queue2_update_upstream_size (queue);
+    if (queue->upstream_size > 0 && offset + length >= queue->upstream_size) {
+      length = queue->upstream_size - offset;
+      GST_DEBUG_OBJECT (queue, "adjusting length downto %d", length);
+    }
+  }
+
   /* FIXME - function will block when the range is not yet available */
   ret = gst_queue2_create_read (queue, offset, length, buffer);
   GST_QUEUE2_MUTEX_UNLOCK (queue);
--
cgit v0.9.0.2-2-gbebe