Matrix Elements VB-800 Bedienungsanleitung PDF herunterladen (Seite 36)

Chapter 4. Examples for advanced use of VLC’s

stream output (transcoding, multiple streaming, etc...)

Transcoding

Transcode the input stream and send it to a multicast IP address with the associated SAP announce:

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

rtp{mux=ts,dst=239.255.12.42,port=5004,sdp=sap://,name="TestStream"}’

Display the input stream, transcode it and send it to a multicast IP address with the associated SAP announce:

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

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

rtp{mux=ts,dst=239.255.12.42,port=5004,sdp=sap://,name="TestStream"}"}’

Transcode the input stream, display the transcoded stream and send it to a multicast IP address with the associated SAP

announce:

% 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,port=5004,sdp=sap://,name="TestStream"}}’

Multiple streaming

Send a stream to a multicast IP address and a unicast IP address:

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

rtp{mux=ts,dst=239.255.12.42,port=5004,sdp=sap://,name="TestStream"},

dst=rtp{mux=ts,dst=192.168.1.2,port=50000}}’

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

% vlc -vvv input_stream

--sout ’#duplicate{dst=display,

dst=rtp{mux=ts,dst=192.168.1.12,port=50002},

dst=rtp{mux=ts,dst=192.168.1.42,port=50004}}’

Send parts of a multiple program input stream:

% vlc -vvv multiple_program_input_stream

--sout ’#duplicate{dst=rtp{mux=ts,dst=239.255.12.42,port=5004},select="program=12345",

dst=rtp{mux=ts,dst=239.255.12.43,port=5004}, select="video,program=1234-2345"}’

This command sends the program of the input stream which id is 12345 to 239.255.12.42 and all video programs with id

between 1234 and 2345 to 239.255.12.43.

Transcoding and multiple streaming

Transcode the input stream, display the transcoded stream and send it to a multicast IP address with the associated SAP

announce and an unicast IP address:

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Matrix Elements VB-800 Bedienungsanleitung Seite 36