Vivotek FE9380-HV 5MP Outdoor Network Fisheye Dome Camera with Night Vision User Manual

Page 331

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User's Manual - 331

8.20 Open Timeshift Stream (capability.timeshift > 0,

timeshift_enable=1, timeshift_c<n>_s<m>_allow=1)

Note:

This request requires Viewer access privileges.

Syntax:
For HTTP push server (MJPEG):

http://<servername>/<network_http_s<m>_accessname>?maxsft=<value>[&tsmode=<value>&reftime=<v
alue>&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>&reftime=<va
lue>&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.

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.)

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)

Return Code

Description

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