diff -Nru qtmultimedia-opensource-src-5.2.1/debian/changelog qtmultimedia-opensource-src-5.2.1/debian/changelog
--- qtmultimedia-opensource-src-5.2.1/debian/changelog	2014-03-15 15:11:39.000000000 +0000
+++ qtmultimedia-opensource-src-5.2.1/debian/changelog	2014-03-16 08:44:05.000000000 +0000
@@ -1,3 +1,10 @@
+qtmultimedia-opensource-src (5.2.1-0ubuntu3) trusty; urgency=medium
+
+  * Add new patch to support big-endian systems (a second attempt to
+    fix LP: #1292364).
+
+ -- Dmitry Shachnev <mitya57@ubuntu.com>  Sun, 16 Mar 2014 12:42:25 +0400
+
 qtmultimedia-opensource-src (5.2.1-0ubuntu2) trusty; urgency=medium
 
   * Fix test that was failing on powerpc (LP: #1292364).
diff -Nru qtmultimedia-opensource-src-5.2.1/debian/patches/bigendian_support.diff qtmultimedia-opensource-src-5.2.1/debian/patches/bigendian_support.diff
--- qtmultimedia-opensource-src-5.2.1/debian/patches/bigendian_support.diff	1970-01-01 00:00:00.000000000 +0000
+++ qtmultimedia-opensource-src-5.2.1/debian/patches/bigendian_support.diff	2014-03-16 08:42:20.000000000 +0000
@@ -0,0 +1,42 @@
+Description: do not assume we are running on little endian system
+Author: Dmitry Shachnev <mitya57@ubuntu.com>
+Last-Update: 2014-03-16
+
+--- a/src/multimedia/audio/qwavedecoder_p.cpp
++++ b/src/multimedia/audio/qwavedecoder_p.cpp
+@@ -166,6 +166,8 @@
+             // Swizzle this
+             if (bigEndian) {
+                 wave.audioFormat = qFromBigEndian<quint16>(wave.audioFormat);
++            } else {
++                wave.audioFormat = qFromLittleEndian<quint16>(wave.audioFormat);
+             }
+ 
+             if (wave.audioFormat != 0 && wave.audioFormat != 1) {
+@@ -207,6 +209,8 @@
+             source->read(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
+             if (bigEndian)
+                 descriptor.size = qFromBigEndian<quint32>(descriptor.size);
++            else
++                descriptor.size = qFromLittleEndian<quint32>(descriptor.size);
+ 
+             dataSize = descriptor.size;
+ 
+@@ -234,6 +238,8 @@
+     // so we have to manually swizzle
+     if (qstrncmp(descriptor.id, "RIFX", 4) == 0)
+         descriptor.size = qFromBigEndian<quint32>(descriptor.size);
++    if (qstrncmp(descriptor.id, "RIFF", 4) == 0)
++        descriptor.size = qFromLittleEndian<quint32>(descriptor.size);
+ 
+     if (source->bytesAvailable() < qint64(sizeof(chunk) + descriptor.size))
+         return false;
+@@ -279,6 +285,8 @@
+     source->peek(reinterpret_cast<char *>(pChunk), sizeof(chunk));
+     if (bigEndian)
+         pChunk->size = qFromBigEndian<quint32>(pChunk->size);
++    else
++        pChunk->size = qFromLittleEndian<quint32>(pChunk->size);
+ 
+     return true;
+ }
diff -Nru qtmultimedia-opensource-src-5.2.1/debian/patches/series qtmultimedia-opensource-src-5.2.1/debian/patches/series
--- qtmultimedia-opensource-src-5.2.1/debian/patches/series	2014-03-15 15:09:48.000000000 +0000
+++ qtmultimedia-opensource-src-5.2.1/debian/patches/series	2014-03-16 08:39:05.000000000 +0000
@@ -1,2 +1,3 @@
 skip_failing_tests.patch
 fix_failing_test.diff
+bigendian_support.diff