Matrix Elements VB-800 Bedienungsanleitung PDF herunterladen (Seite 37)

Chapter 4. Examples for advanced use of VLC’s stream output (transcoding, multiple streaming, etc...)

% vlc -vvv input_stream --sout ’#transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128,deinterlace}:

duplicate{dst=display,dst=rtp{mux=ts,dst=239.255.12.42,sdp=sap://,name="TestStream"},

dst=rtp{mux=ts,dst=192.168.1.2,port=50006}}’

Display the input stream, transcode it and send it to two unicast IP addresses:

% vlc -vvv input_stream --sout ’#duplicate{dst=display,

dst="transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128}:

duplicate{dst=rtp{mux=ts,dst=192.168.1.2,port=50008},

dst=rtp{mux=ts,dst=192.168.1.12,port=50010}"}’

Send the input stream to a multicast IP address and the transcoded stream to another multicast IP address with the

associated SAP announces:

% vlc -vvv input_stream --sout ’#duplicate{dst=

rtp{mux=ts,dst=239.255.1.2,port=5004,sdp=sap://,name="OriginalStream"},

dst="transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128}:

rtp{mux=ts,dst=239.255.1.3,port=5004,sdp=sap://,name="TranscodedStream"}"}’

HTTP streaming

Stream in HTTP:

• on the server, run:

% vlc -vvv input_stream --sout ’#standard{access=http,mux=ogg,dst=server.example.org:8080}’

• on the client(s), run:

% vlc http://server.example.org:8080

Transcode and stream in HTTP:

% vlc -vvv input_stream --sout ’#transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128}:

standard{access=http,mux=ogg,dst=server.example.org:8080}’

For example, if you want to stream an audio CD in Ogg/Vorbis over HTTP:

% vlc -vvv cdda:///dev/cdrom --sout ’#transcode{acodec=vorb,ab=128}:

standard{access=http,mux=ogg,dst=server.example.org:8080}’

RTP streaming

Stream in RTP:

• on the server, run:

% vlc -vvv input_stream --sout ’#rtp{dst=192.168.0.12,port=1234,sdp=rtsp://server.example.org:8080/test.sdp}’

• on the client(s), run:

% vlc rtsp://server.example.org:8080/test.sdp

Note: You can remplace the rtsp URL by a http one, a ﬁle path (preﬁxed with ﬁle:// ) or sap:// to export the sdp ﬁle

using one of these methods instead of rtsp.

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Matrix Elements VB-800 Bedienungsanleitung Seite 37