.priv_class = &decklink_demuxer_class,
.priv_data_size = sizeof(struct decklink_cctx),
.read_header = ff_decklink_read_header,
.priv_class = &decklink_demuxer_class,
.priv_data_size = sizeof(struct decklink_cctx),
.read_header = ff_decklink_read_header,