Utility
capture stream
$ mplayer -dumpstream -dumpfile fromstreaming
$ mplayer "URL" -ao pcm:file=/home/name/Musik/mystream.wav -vc dummy -vo null;
$ mplayer -dumpstream http://192.168.1.4:8090/test.webm -dumpfile b
use subtitle
$ mplayer -sub <subtitles.srt> <file>