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
Return of Message
JPEG image
or
Error Message
Applicability
Status
Valid
See Also
Example
http://ip:port/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT
or
http://ip:port/cgi-bin/cmd/encoder?SNAPSHOTor
http://ip:port/cgi-bin/encoder?USER=Admin&PWD=123456&SNAPSHOT=N640x480,90
or
http://ip:port/cgi-bin/cmd/encoder?SNAPSHOT=N640x480,90or
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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