extern AVInputFormat ff_alsa_demuxer;
extern AVOutputFormat ff_alsa_muxer;
extern AVInputFormat ff_android_camera_demuxer;
+extern AVOutputFormat ff_audiotoolbox_muxer;
extern AVInputFormat ff_avfoundation_demuxer;
extern AVInputFormat ff_bktr_demuxer;
extern AVOutputFormat ff_caca_muxer;
extern AVInputFormat ff_decklink_demuxer;
extern AVOutputFormat ff_decklink_muxer;
-extern AVInputFormat ff_libndi_newtek_demuxer;
-extern AVOutputFormat ff_libndi_newtek_muxer;
extern AVInputFormat ff_dshow_demuxer;
extern AVInputFormat ff_fbdev_demuxer;
extern AVOutputFormat ff_fbdev_muxer;