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VIVOTEK
390 - User's Manual
© 2019 VIVOTEK INC. All Right Reserved
255
PARAMETER VALUE DEFAULT DESCRIPTION
ignored.
reftime mm:ss The time
camera
receives the
request.
Reference time for maxsft and minsft.
(This provides more precise time control to eliminate
the inaccuracy due to network latency.)
Ex: Request the streaming from 12:20
rtsp://10.0.0.1/live.sdp?maxsft=10&reftime=12:30
forcechk N/A N/A Check if the requested stream enables timeshift,
feature and if minsft is achievable.
If false, return “415 Unsupported Media Type”.
minsft <positive
integer>
0 How many seconds of cached stream client can
accept at least.
(Used by forcechk)
The value must be a positive integer. (>0)
Return Code Description
400 Bad Request Request is rejected because some parameter values are illegal.
415 Unsupported Media Type Returned, if forcechk appears,when minsft is not achievable or
the timeshift feature of the target stream is not enabled.
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