@@ -32,8 +32,8 @@

 #define AC3ENC_TYPE AC3ENC_TYPE_AC3_FIXED

 #include "ac3enc_opts_template.c"

-static AVClass ac3enc_class = { "Fixed-Point AC-3 Encoder", av_default_item_name,

-                                ac3fixed_options, LIBAVUTIL_VERSION_INT };

+static const AVClass ac3enc_class = { "Fixed-Point AC-3 Encoder", av_default_item_name,

+                                      ac3fixed_options, LIBAVUTIL_VERSION_INT };

 #include "ac3enc_template.c"

@@ -35,8 +35,8 @@

 #if CONFIG_AC3_ENCODER

 #define AC3ENC_TYPE AC3ENC_TYPE_AC3

 #include "ac3enc_opts_template.c"

-static AVClass ac3enc_class = { "AC-3 Encoder", av_default_item_name,

-                                ac3_options, LIBAVUTIL_VERSION_INT };

+static const AVClass ac3enc_class = { "AC-3 Encoder", av_default_item_name,

+                                      ac3_options, LIBAVUTIL_VERSION_INT };

 #endif

 #include "ac3enc_template.c"

@@ -31,8 +31,8 @@

 #define AC3ENC_TYPE AC3ENC_TYPE_EAC3

 #include "ac3enc_opts_template.c"

-static AVClass eac3enc_class = { "E-AC-3 Encoder", av_default_item_name,

-                                 eac3_options, LIBAVUTIL_VERSION_INT };

+static const AVClass eac3enc_class = { "E-AC-3 Encoder", av_default_item_name,

+                                       eac3_options, LIBAVUTIL_VERSION_INT };

 void ff_eac3_set_cpl_states(AC3EncodeContext *s)