rtmpdump

rtmpdump is a command line utility for dumping proprietary streams from television sites. It has not been updated since 2011.

The homepage is at https://rtmpdump.mplayerhq.hu/

 $ rtmpdump --help
RTMPDump v2.3
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL

rtmpdump: This program dumps the media content streamed over RTMP.

--help|-h               Prints this help screen.
--rtmp|-r url           URL (e.g. rtmp://host[:port]/path)
--host|-n hostname      Overrides the hostname in the rtmp url
--port|-c port          Overrides the port in the rtmp url
--socks|-S host:port    Use the specified SOCKS proxy
--protocol|-l num       Overrides the protocol in the rtmp url (0 - RTMP, 2 - RTMPE)
--playpath|-y path      Overrides the playpath parsed from rtmp url
--playlist|-Y           Set playlist before playing
--swfUrl|-s url         URL to player swf file
--tcUrl|-t url          URL to played stream (default: "rtmp://host[:port]/app")
--pageUrl|-p url        Web URL of played programme
--app|-a app            Name of target app on server
--swfhash|-w hexstring  SHA256 hash of the decompressed SWF file (32 bytes)
--swfsize|-x num        Size of the decompressed SWF file, required for SWFVerification
--swfVfy|-W url         URL to player swf file, compute hash/size automatically
--swfAge|-X days        Number of days to use cached SWF hash before refreshing
--auth|-u string        Authentication string to be appended to the connect string
--conn|-C type:data     Arbitrary AMF data to be appended to the connect string
                        B:boolean(0|1), S:string, N:number, O:object-flag(0|1),
                        Z:(null), NB:name:boolean, NS:name:string, NN:name:number
--flashVer|-f string    Flash version string (default: "LNX 10,0,32,18")
--live|-v               Save a live stream, no --resume (seeking) of live streams possible
--subscribe|-d string   Stream name to subscribe to (otherwise defaults to playpath if live is specifed)
--flv|-o string         FLV output file name, if the file name is - print stream to stdout
--resume|-e             Resume a partial RTMP download
--timeout|-m num        Timeout connection num seconds (default: 30)
--start|-A num          Start at num seconds into stream (not valid when using --live)
--stop|-B num           Stop at num seconds into stream
--token|-T key          Key for SecureToken response
--hashes|-#             Display progress with hashes, not with the byte counter
--buffer|-b             Buffer time in milliseconds (default: 36000000)
--skip|-k num           Skip num keyframes when looking for last keyframe to resume from. Useful if resume fails (default: 0)

--quiet|-q              Suppresses all command output.
--verbose|-V            Verbose command output.
--debug|-z              Debug level command output.
If you don't pass parameters for swfUrl, pageUrl, or auth these properties will not be included in the connect packet.