JVC VN-V685U - Manual (Page 33)

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Format /api/param?encode(1).status=save
or /api/param?encode(2).status=save
Example of response encode(1).status&200 OK
Interpretation Save changes to encode settings. All JPEG and MPEG-4 settings are saved. If not saved, the changes
are restored by power off of VN-V685/686/686B.
Allowed users admin, operator
Getting JPEG Frame Size from VN-V685/686/686B
Format /api/param?encode(1).framesize
Example of response encode(1).framesize=vga&200 OK
Interpretation Acquire JPEG frame size setting. "vga" or "qvga" is returned.
Allowed users admin, operator, user
Setting JPEG Frame Size for VN-V685/686/686B
Format /api/param?encode(1).framesize=data
Example /api/param?encode(1).framesize=qvga
Example of response encode(1).framesize&202 Accepted(encode(1).status=save)
Interpretation Change JPEG frame size. Specify "vga" or "qvga". File size setting is changed automatically when
frame size is changed. If frame size is changed from vga to qvga, file size is changed to third part of original size. If
frame size is changed from qvga to vga, file size is changed to three times size.
When frame size of JPEG and MPEG-4 are same, privacy masking is available for both compression. When they are
not same, compression on QVGA can have privacy masking.
The change is saved by the API, encode(1).status=save. If the change is not saved, the setting is restored by reboot.
Allowed users admin, operator
Getting JPEG Rate Control Setting from VN-V685/686/686B
Format /api/param?encode(1).cbr_mode
Example of response encode(1).cbr_mode=afs&200 OK
Interpretation Acquire the rate control setting of JPEG. Quantization table is fixed in the case of vfs
(VariableFileSize). In the case of afs (AverageFileSize), bit rates are controlled such that the average size of multiple
files remains constant.
Allowed users admin, operator, user
Setting JPEG Rate Control for VN-V685/686/686B
Format /api/param?encode(1).cbr_mode=data
Example /api/param?encode(1).cbr_mode=vfs