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VIVOTEK
394 - User's Manual
© 2020 VIVOTEK INC. All Right Reserved
264
http://<servername>/<network_http_s<m>_accessname>?maxsft=<value>[&tsmode=<value>&reft
ime=<value>&forcechk&minsft=<value>]
For RTSP (MP4 and H264), the user needs to input theURL below into an RTSP compatible player.
rtsp://<servername>/<network_rtsp_s<m>_accessname>?maxsft=<value>[&tsmode=<value>&refti
me=<value>&forcechk&minsft=<value>]
“n” is the channel index.
“m” is the timeshift stream index.
For details on timeshift stream, please refer to the “TimeshiftCaching” documents.
PARAMETER VALUE DEFAULT DESCRIPTION
maxsft <positive
integer>
0 Request cached stream at most how many seconds
ago.
The value must be a positive integer. (>0)
tsmode normal,
adaptive
normal Streaming mode:
normal => Full FPS all the time.
adaptive => Default send only I-frame for MP4 and
H.264, and send 1 FPS for MJPEG. If DI or motion
window are triggered, the streaming is changed to
send full FPS for 10 seconds.
(*Note: this parameter also works on non-timeshift
streams.)
tsmode must exactly match well-defined wording
(normal, adaptive), unknown parameters are always
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)
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