Make MLP/TrueHD channel layout functions visible to the decoder.
diff --git a/libavcodec/mlp_parser.h b/libavcodec/mlp_parser.h
index d7ce2b8..6e43bc3 100644
--- a/libavcodec/mlp_parser.h
+++ b/libavcodec/mlp_parser.h
@@ -54,6 +54,9 @@
 
 
 int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb);
+int64_t ff_truehd_layout(int chanmap);
+
+extern const uint64_t ff_mlp_layout[32];
 
 #endif /* AVCODEC_MLP_PARSER_H */