Vivotek MA9322-EHTV, User Manual

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VIVOTEK
User's Manual - 379
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Examples:
setvi.cgi?
vi0 =0(15000)1
setvi.cgi? vi0 =1
Request 2 will not be accepted during the execution time(15 seconds).
8.19 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>&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
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240
PARAMETER VALUE DEFAULT DESCRIPTION
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)
Return Code Description
400 Bad Request Request is rejected because some parameter values are illegal.
415 Unsupported Media Type Returned, if forcechk appears,when minsft is not achievable or
the timeshift feature of the target stream is not enabled.