rtmpdump的使用

$ rtmpdump -r rtmp://xxx.xxx.xxx.xxx/apptest/test -o /dev/null 
RTMPDump v2.4
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting download at: 0.000 kB
INFO: Metadata:
INFO:   fileSize              0.00
INFO:   width                 1152.00
INFO:   height                720.00
INFO:   videocodecid          avc1
INFO:   videodatarate         2500.00
INFO:   framerate             30.00
INFO:   audiocodecid          mp4a
INFO:   audiodatarate         160.00
INFO:   audiosamplerate       44100.00
INFO:   audiosamplesize       16.00
INFO:   audiochannels         2.00
INFO:   stereo                TRUE
INFO:   encoder               obs-output module (libobs version 0.12.4)
INFO:   server                SRS/2.0.208(ZhouGuowen)
INFO:   srs_primary           SRS/1.0release
INFO:   srs_authors           winlin,wenjie.zhao
INFO:   server_version        2.0.208
9845.574 kB / 30.22 sec