--- a/QTfrontend/ui/widget/about.cpp	Wed Jan 08 20:29:34 2014 +0400
+++ b/QTfrontend/ui/widget/about.cpp	Wed Jan 08 18:57:23 2014 +0100
@@ -35,7 +35,9 @@
 #ifdef VIDEOREC
 extern "C"
 {
-#include "libavutil/avutil.h"
+    #include "libavcodec/version.h"
+    #include "libavformat/version.h"
+    #include "libavutil/avutil.h" // version.h only from 51.36.0
 }
 #endif
 
@@ -159,7 +161,15 @@
     libinfo.append(QString("<a href=\"http://qt-project.org/\">Qt</a> version: %1<br>").arg(QT_VERSION_STR));
 
 #ifdef VIDEOREC
-    libinfo.append(QString("<a href=\"http://libav.org\">Libav</a> version: %1.%2.%3<br>")
+    libinfo.append(QString("<a href=\"http://libav.org\">libavcodec</a> version: %1.%2.%3<br>")
+        .arg(LIBAVCODEC_VERSION_MAJOR)
+        .arg(LIBAVCODEC_VERSION_MINOR)
+        .arg(LIBAVCODEC_VERSION_MICRO));
+    libinfo.append(QString("<a href=\"http://libav.org\">libavformat</a> version: %1.%2.%3<br>")
+        .arg(LIBAVFORMAT_VERSION_MAJOR)
+        .arg(LIBAVFORMAT_VERSION_MINOR)
+        .arg(LIBAVFORMAT_VERSION_MICRO));
+    libinfo.append(QString("<a href=\"http://libav.org\">libavutil</a> version: %1.%2.%3<br>")
         .arg(LIBAVUTIL_VERSION_MAJOR)
         .arg(LIBAVUTIL_VERSION_MINOR)
         .arg(LIBAVUTIL_VERSION_MICRO));