Arlotto AR1200 series, Руководство по началу работы

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3.6. Modifying Video Advanced Settings
To change the video advanced settings, click on the "Advanced" button in Video page.
Figure 3-17 Video/Image Advanced Setting.
Enter the following settings:

IP Ratio: Type the IP Ratio that needs to be set for the codec, default value is 30.This
means once every 30 frames, one I frame will be inserted. Value range from 1 to 30.

Force I Frame: By checking this box, it will enable that particular stream to insert I frame
at that instant. Once I frame is inserted, this flag has no significance. In GUI, this will
show as checked if selected to show the user the last setting.

Encode Preset: Following Encoding Preset are supported

Auto: This will automatically set the value based on the codec combo used for best
tradeoff with performance and quality

SVC: This will enable SVC mode of encoding with RTSP streaming on ports 8601,
8602, 8603, 8604 enabled.

Custom: This will enable custom preset based on the codec used.

For H.264, this will enable legacy version codec used in IPNC release 1.5

For MPEG4, this switches all the tools and put the codec to maximum quality.
Tools enabled are intra Algo, UMV, SkipMB and ME is put to High Quality
mode.