.category = AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
};
-AVOutputFormat ff_audiotoolbox_muxer = {
+const AVOutputFormat ff_audiotoolbox_muxer = {
.name = "audiotoolbox",
.long_name = NULL_IF_CONFIG_SMALL("AudioToolbox output device"),
.priv_data_size = sizeof(ATContext),