SNAPSHOT

Description

> Get a still image in JPEG format from the encoder.

> If the CHANNEL=n was not set with this URL to the Multi-Channel device, the target device is the CHANNEL 1 and the image resolution is the same as the current video resolution in CHANNEL 1 and the JPEG quality is 70. If the CHANNEL 1 video server does not connect to the router, the error message will be returned.

> In MPEG4 streaming, it will send the MPEG4 NOP during the snapshot to maintain constant frame rate.

> Here is the URL handshake of the SNAPSHOT.

> The format of this URL http://172.16.3.35/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT is listed below.

> Stage 1: Send this URL to the device for getting a still image

> ASCII FORMAT

> Hex Dump Format

> Stage 2 : Device reply with a JPEG image

> ASCII FORMAT

> Hex Dump Format

Input Argument

> None (use current video resolution and default JPEG quality setting)
> or
> n,m
> where
> n is the image size (need to refer the supported video resolutions in the device, VIDEO_RESOLUTION)
> m is the quality of the JPEG and the range is 0~100. The higher value, the higher quality. This argument does not must to have.

Attribute

- Readable and Writable
- On-Fly

Return of Message

> JPEG image
> or
> Error Message

Applicability

- EPL Platform : All Encoders (version 3.08.02)
- PlatfotmT : All Encoders
- Multi-Channel Encoder : 4CH and 16CH Video Servers

Status

> Valid

See Also

> VIDEO_RESOLUTION

Example

- Write Operation

> http://ip:port/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT
> or
> http://ip:port/cgi-bin/cmd/encoder?SNAPSHOT

> or

> http://ip:port/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT=N640x480,90
> or
> http://ip:port/cgi-bin/cmd/encoder?SNAPSHOT=N640x480,90

> or

> http://ip:port/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT=N640x480
> or
> http://ip:port/cgi-bin/cmd/encoder?SNAPSHOT=N640x480

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