VIVOTEK

URL Command Document for All SeriesFD8164

Examples:

1.setvi.cgi?vi0=0(15000)1

2.setvi.cgi?vi0=1

Request 2 will not be accepted during the execution time(15 seconds).

8.15 Open Timeshift Stream

Note: This request requires Viewer access privileges.

Syntax:

For HTTP push server (MJPEG):

http://<servername>/<network_http_s<m>_accessname>?maxsft=<value>[&tsmode=<value>&refti me=<value>&forcechk&minsft=<value>]

For RTSP (MP4 and H264), the user needs to input the URL 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

 

0

 

Request cached stream at most how many seconds

 

 

 

integer>

 

 

 

ago.

 

tsmode

 

normal,

 

normal

 

Streaming mode:

 

 

 

adaptive

 

 

 

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

 

Reference time for maxsft and minsft.

 

 

 

 

 

camera

 

(This provides more precise time control to eliminate

 

 

 

 

 

receives the

 

the inaccuracy due to network latency.)

 

 

 

 

 

request.

 

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,

 

77

User's Manual - 193

 

 

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Vivotek FD8164 user manual Open Timeshift Stream, Parameter Value Default Description