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VIVOTEK
URL Command Document for All Series
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).
8.15 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>&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   | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 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   | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 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.)  | 
  | 
User's Manual - 199