VIVOTEK

8.24 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>&reftime=<v alue>&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>&reftime=<va lue>&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>

 

 

 

 

 

 

 

 

 

 

 

 

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 least.

 

 

interger>

 

 

 

(Used by forcechk)

 

 

 

 

 

 

 

 

User's Manual - 233

Page 233
Image 233
Vivotek SF8174 user manual Streaming is changed to send full FPS for 10 seconds

SF8174 specifications

The Vivotek SF8174 is a powerful and versatile network camera designed for advanced surveillance applications. It combines cutting-edge technology with high-performance features to deliver exceptional video quality and reliability in various environments.

One of the standout features of the SF8174 is its 4MP resolution, which provides crisp, detailed images that meet the demands of modern surveillance. The camera boasts a large variety of resolutions and frame rates, enabling users to customize their settings based on the specific requirements of their monitoring area.

Equipped with a 3.6mm fixed lens, the SF8174 offers a wide field of view, making it ideal for large spaces such as parking lots, warehouses, and retail stores. Furthermore, the camera supports advanced features such as WDR (Wide Dynamic Range) technology, which compensates for challenging lighting conditions, ensuring that details are captured accurately in both bright and dark areas of the scene.

The SF8174 also supports H.265 video compression technology, significantly reducing bandwidth and storage space requirements while maintaining high video quality. This innovative compression method allows users to store more footage over an extended period without compromising video clarity, making it a cost-effective solution for long-term surveillance needs.

In terms of durability, the camera is built to withstand harsh conditions, with an IP66 rating that ensures resistance against water and dust. This feature makes the SF8174 suitable for outdoor deployment in various weather conditions. Additionally, its robust design includes a vandal-resistant housing, providing extra protection in high-risk areas.

Another key characteristic of the SF8174 is its smart analytics capabilities. The camera is equipped with features such as motion detection, tampering detection, and line-crossing detection. These intelligent functions help improve surveillance efficiency by sending real-time alerts to users when suspicious activity is detected, thereby enhancing the overall security of the monitored area.

The Vivotek SF8174 is also compatible with various management software solutions, including Vivotek's own VAST and third-party systems. This compatibility allows for seamless integration into existing surveillance setups, enabling users to manage their cameras effectively and tailor their security strategies according to their unique needs.

In summary, the Vivotek SF8174 stands out as a high-performance surveillance solution that blends advanced features, innovative technologies, and durability. With its impressive image quality, intelligent analytics, and robust design, it is well-equipped to meet the demands of diverse surveillance applications across various industries.