diff -up alsa-plugins-1.0.27/a52/pcm_a52.c.orig alsa-plugins-1.0.27/a52/pcm_a52.c
--- alsa-plugins-1.0.27/a52/pcm_a52.c.orig	2013-04-12 17:54:16.597201378 -0300
+++ alsa-plugins-1.0.27/a52/pcm_a52.c	2013-04-12 18:00:56.281158309 -0300
@@ -27,7 +27,7 @@
 #include <alsa/pcm_plugin.h>
 #include AVCODEC_HEADER
 
-#if LIBAVCODEC_VERSION_MAJOR >= 53 && LIBAVCODEC_VERSION_MINOR >= 34
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(53, 34, 0)
 #include <libavutil/audioconvert.h>
 #include <libavutil/mem.h>
 #define USE_AVCODEC_FRAME