VIVOTEK
Request 2 will not be accepted during the execution time(15 seconds).
8.18 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>&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. |
| interger> |
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tsmode | normal, | normal | Streaming mode: |
| adaptive |
| normal => Full FPS all the time. |
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| adaptive => Default send only |
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| H.264, and send 1 FPS for MJPEG. If DI or motion window |
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| are triggered, the streaming is changed to send full FPS |
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| for 10 seconds. |
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| (*Note: this parameter also works on |
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| streams.) |
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reftime | mm:ss | The time | Reference time for maxsft and minsft. |
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| camera receives | (This provides more precise time control to eliminate the |
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| the request. | inaccuracy due to network latency.) |
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| Ex: Request the streaming from 12:20 |
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| rtsp://10.0.0.1/live.sdp?maxsft=10&reftime=12:30 |
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forcechk | N/A | N/A | Check if the requested stream enables timeshift, feature |
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| and if minsft is achievable. |
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User's Manual - 189
