视频工具笔记

rtmpdump -r "rtmp://host/dir/file.flv" -o filename.flv

--help|-h               Prints this help screen.

--rtmp|-r url           URL (e.g. rtmp//hotname[:port]/path)

--host|-n hostname      Overrides the hostname in the rtmp url

--port|-c port          Overrides the port in the rtmp url

--protocol|-l           Overrides the protocol in the rtmp url (0 - RTMP, 3 - RTMPE)

--playpath|-y           Overrides the playpath parsed from rtmp url

--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 player used

--swfhash|-w hexstring  SHA256 hash of the decompressed SWF file (32 bytes)

--swfsize|-x num        Size of the decompressed SWF file, required for SWFVerification

--auth|-u string        Authentication string to be appended to the connect string

--flashVer|-f string    Flash version string

--live|-v               Save a live stream, no --resume (seeking) of live strems possible

--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

--buffer|-b             Buffer time in milliseconds, this option makes only sense in stdout mode

--skip|-k num           Skip num keyframes when looking for last keyframe. to resume