VIVOTEK

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>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 receives

(This provides more precise time control to eliminate the

 

 

 

 

 

 

the request.

 

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

 

0

 

 

 

 

How many seconds of cached stream client can accept at

 

 

 

 

interger>

 

 

 

 

 

 

least.

 

 

 

 

 

 

 

 

 

 

 

(Used by forcechk)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

218 - User's Manual

Page 218
Image 218
Vivotek FE8174 user manual Maxsft Positive