diff --git a/COMPILE-linux.txt b/COMPILE-linux.txt
index 4c6fdd7e85..0ce244e4d1 100644
--- a/COMPILE-linux.txt
+++ b/COMPILE-linux.txt
@@ -39,7 +39,8 @@ Dependencies needed to build OpenMW:
 OGRE 1.4.5         (3d engine)
 OIS-1.0.0          (input system)
 OpenAL             (3d sound system)
-libavcodec         (MP3 library)
+libavcodec,
+  libavformat      (For MP3 playback)
 gcc and g++        (C++ compiler)
 GNU make           (build tool for C++ files)
 DMD 1.031          (D compiler)
@@ -51,7 +52,8 @@ versions might work. OGRE, OIS and the other libraries have
 dependencies of their own, so I recommend using an automated package
 tool to install as many of these as possible. On ubuntu, try typing:
 
-sudo apt-get install libogre-dev libavcodec-dev libois-dev build-essential g++ gdc
+sudo apt-get install libogre-dev libavcodec-dev libavformat-dev libois-dev build-essential g++ gdc
+
 If you want to install Ogre, OpenAL or OIS manually, try:
 
 OGRE:     http://ogre3d.org/
diff --git a/sound/avcodec.d b/sound/avcodec.d
index 8e3ae12216..e83d50b2fb 100644
--- a/sound/avcodec.d
+++ b/sound/avcodec.d
@@ -1,3 +1,5 @@
+module sound.avcodec;
+
 extern (C):
 
 // A unique handle that represents an AV file
@@ -19,7 +21,7 @@ void cpp_closeAVFile(AVFile file);
 // Get a unique handle to an audio stream in the file. The given number
 // is for files that can contain multiple audio streams (generally you
 // would pass 0, for the first audio stream)
-void *cpp_getAVAudioStream(AVFile file, int streamnum);
+AVAudio cpp_getAVAudioStream(AVFile file, int streamnum);
 
 // Get audio info representing the current stream. Returns 0 for success
 // (not likely to fail)