static const URLProtocol *url_protocols[] = {
    &ff_ffrtmphttp_protocol,
    &ff_file_protocol,
    &ff_hls_protocol,
    &ff_http_protocol,
    &ff_mmsh_protocol,
    &ff_mmst_protocol,
    &ff_rtmp_protocol,
    &ff_rtmpt_protocol,
    &ff_rtp_protocol,
    &ff_tcp_protocol,
    &ff_udp_protocol,
    NULL };