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MAX-CSE Streaming Send_Commands (Cont.)
Command
GET FORMAT
Get a description of the
format used by the current
incoming video signal.
GET GAIN
Get a description of the
current gain used by the
microphone input.
GET URL
Get a description of the
URL parameters being used
by the current audio/video
stream.
MAX Video Encoder
Description
Syntax:
SEND_COMMAND <DEV>,"'GET FORMAT'"
Variable:
format = NTSC or PAL.
Example:
SEND_COMMAND ENCODER,"'GET FORMAT'"
System response:
FORMAT = NTSC
Indicates that the MAX-CSE is using/expecting an incoming NTSC video
format.
Syntax:
SEND_COMMAND <DEV>,"'GET GAIN'"
Variable:
gain = 0 - 99.
Example:
SEND_COMMAND ENCODER,"'GET GAIN'"
System response:
GAIN = 50
Indicates that the current gain on the microphone input is approximately 50%
of its' maximum value.
Requests the current configuration of the URL communication parameters. The
returned information includes: communication protocol, IP Address, and port
used.
Syntax:
SEND_COMMAND <DEV>,"'GET URL'"
Variables:
protocol = RTP or UDP.
address = Address of stream in IPv4 dot notation (ex: X.X.X.X).
port = Primary port for audio/video transport.
audio port = Port for audio stream (RTP only).
Example:
SEND_COMMAND ENCODER,"'GET URL'"
System response for UDP:
URL = UDP 239.168.42.10 5000
Indicates that the UDP audio/video stream has previously been configured to
use a multicast session (UDP) at an IP Address of 239.168.42.10 where it uses
port 5000.
System response for RTP:
URL = RTP 239.168.42.10 5000 5002
Indicates that the individual RTP audio/video streams has previously been
configured to use an IP Address of 224.168.42.10 where it uses port 5000 for
the video stream and port 5002 for the audio stream.
NetLinx Programming
69
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