From 141ecfa61ff1d92e5b27d2e2eff451179c36ff9e Mon Sep 17 00:00:00 2001
From: fkaelberer <l_l@gmx-topmail.de>
Date: Mon, 20 Oct 2014 23:53:40 +0200
Subject: [PATCH] fix "JPX Out of Packets" Error (issues 4358, 4659, 4814)

---
 src/core/jpx.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/jpx.js b/src/core/jpx.js
index b31610266..3c6a210b6 100644
--- a/src/core/jpx.js
+++ b/src/core/jpx.js
@@ -540,6 +540,11 @@ var JpxImage = (function JpxImageClosure() {
         codeblock.precinctNumber = precinctNumber;
         codeblock.subbandType = subband.type;
         codeblock.Lblock = 3;
+
+        if (codeblock.tbx1_ <= codeblock.tbx0_ ||
+            codeblock.tby1_ <= codeblock.tby0_) {
+          continue;
+        }
         codeblocks.push(codeblock);
         // building precinct for the sub-band
         var precinct = precincts[precinctNumber];