}
#if CONFIG_SSA_DECODER
-AVCodec ff_ssa_decoder = {
+const AVCodec ff_ssa_decoder = {
.name = "ssa",
.long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
.type = AVMEDIA_TYPE_SUBTITLE,
#endif
#if CONFIG_ASS_DECODER
-AVCodec ff_ass_decoder = {
+const AVCodec ff_ass_decoder = {
.name = "ass",
.long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
.type = AVMEDIA_TYPE_SUBTITLE,