Vivotek FD8167-(T) Open Timeshift Stream timeshift enable=1, timeshift_c<n>_s<m>_allow=1

VIVOTEK
	URL commands for FD8167
	URL Command Document for All Series

503

The resource is unavailable, ex. Virtual input is waiting for next state. 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).

8.17 Open Timeshift Stream (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>&reftim e=<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>&reftim e=<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 ago.
	integer>
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.)

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