let mut dmx_reg = RegisteredDemuxers::new();
generic_register_all_demuxers(&mut dmx_reg);
let mut dec_reg = RegisteredDecoders::new();
let mut dmx_reg = RegisteredDemuxers::new();
generic_register_all_demuxers(&mut dmx_reg);
let mut dec_reg = RegisteredDecoders::new();
let mut mux_reg = RegisteredMuxers::new();
generic_register_all_muxers(&mut mux_reg);
let mut enc_reg = RegisteredEncoders::new();
let mut mux_reg = RegisteredMuxers::new();
generic_register_all_muxers(&mut mux_reg);
let mut enc_reg = RegisteredEncoders::new();