extern AVCodec ff_pcm_mulaw_at_decoder;
extern AVCodec ff_qdmc_at_decoder;
extern AVCodec ff_qdm2_at_decoder;
+extern AVCodec ff_libaom_av1_decoder;
extern AVCodec ff_libcelt_decoder;
extern AVCodec ff_libcodec2_encoder;
extern AVCodec ff_libcodec2_decoder;