官方線上手冊：FFmpeg Documentation
http://www.ffmpeg.org/ffmpeg-doc.html 

◎ Multicast(udp) 語法：
"C:\Program Files\VideoLAN\VLC\vlc" -vvv boa1.mpg --sout udp:225.9.9.9:10000 --ttl 1 --loop

vi /etc/ffserver.conf

Port 8090 # bind to all IPs aliased or not BindAddress 0.0.0.0 # max number of simultaneous clients MaxClients 1000 # max bandwidth per-client (kb/s) MaxBandwidth 10000 # Suppress that if you want to launch ffserver as a daemon. NoDaemon <Feed feed1.ffm> File /tmp/feed1.ffm FileMaxSize 5M </Feed> # FLV output - good for streaming <Stream test.flv> # the source feed Feed feed1.ffm # the output stream format - FLV = FLash Video Format flv VideoCodec flv # this must match the ffmpeg -r argument VideoFrameRate 15 # generally leave this is a large number VideoBufferSize 80000 # another quality tweak VideoBitRate 200 # quality ranges - 1-31 (1 = best, 31 = worst) VideoQMin 1 VideoQMax 5 VideoSize 352x288 # this sets how many seconds in past to start PreRoll 0 # wecams don't have audio Noaudio </Stream> # ASF output - for windows media player <Stream test.asf> # the source feed Feed feed1.ffm # the output stream format - ASF Format asf VideoCodec msmpeg4 # this must match the ffmpeg -r argument VideoFrameRate 15 # generally leave this is a large number VideoBufferSize 80000 # another quality tweak VideoBitRate 200 # quality ranges - 1-31 (1 = best, 31 = worst) VideoQMin 1 VideoQMax 5 VideoSize 352x288 # this sets how many seconds in past to start PreRoll 0 # wecams don't have audio Noaudio </Stream>

# ffserver -f ffserver.conf & ffmpeg -i /usr/clips/test.avi http://127.0.0.1/feed1.ffm

ffmpeg -i TheRobo2010.mp4 -loglevel quiet -v 0 -s 480x360 -ss 00:00:00 -t 00:10:00 -y -acodec libfaac -ab 128k -ar 44100 -vcodec libx264 -vpre medium -vpre main -crf 23 -threads 0 -f [mp4/flv] TheRobo2010.mp4

MP4(H264+AAC) 轉 MPEG TS
$ ffmpeg -i file.mp4 -acodec copy -vcodec copy -f mpegts -vbsf h264_mp4toannexb output.mpegts.ts