diff -rupN a/QTfrontend/util/LibavInteraction.cpp b/QTfrontend/util/LibavInteraction.cpp
--- a/QTfrontend/util/LibavInteraction.cpp	2013-05-30 20:07:33.000000000 +0000
+++ b/QTfrontend/util/LibavInteraction.cpp	2013-07-22 16:24:42.564768844 +0000
@@ -32,7 +32,7 @@ extern "C"
 
 struct Codec
 {
-    CodecID id;
+    AVCodecID id;
     bool isAudio;
     QString shortName; // used for identification
     QString longName; // used for displaying to user
@@ -52,7 +52,7 @@ QList<Codec> codecs;
 QMap<QString,Format> formats;
 
 // test if given format supports given codec
-bool FormatQueryCodec(AVOutputFormat *ofmt, enum CodecID codec_id)
+bool FormatQueryCodec(AVOutputFormat *ofmt, enum AVCodecID codec_id)
 {
 #if LIBAVFORMAT_VERSION_MAJOR >= 54
     return avformat_query_codec(ofmt, codec_id, FF_COMPLIANCE_NORMAL) == 1;