1 files changed, 2 insertions, 0 deletions
diff --git a/mp_msg.h b/mp_msg.h
index 158470de89..6e15a2c5e3 100644
--- a/mp_msg.h
+++ b/mp_msg.h
@@ -81,6 +81,8 @@ extern int verbose; // defined in mplayer.c
 #define MSGT_VOBSUB 35
 #define MSGT_SUBREADER 36
 
+#define MSGT_AFILTER 37  // Audio filter messages
+
 #define MSGT_MAX 64
 
 void mp_msg_init();