Video Rotate Type
Users can change video display type if necessary. Selectable video rotate types
include Normal, Flip, Mirror, 90 degree clockwise, 180 degree rotate and 90 de-
gree counterclockwise.
The following is descriptions for different video rotate type.
Flip
If select <Flip>, the image will be rotated vertically.
Mirror
If select <Mirror>, the image will be rotated horizontally.
90 Degree counter-/clockwise
Selecting <90 Degree Counter-/clockwise> will make the image 90° counter-
/clockwise inversed.
180 Degree Rotate
Selecting <180 Degree> will make the image 180° inversed.
Click on <Save> to confirm the setting.
GOV Settings
Users can set the GOV length to determine the frame structure (I-frames and P-
frames) in a video stream for saving bandwidth. Less bandwidth is needed if the
GOV length is set to a high value. However, the shorter the GOV length the better
the video quality is. The setting range is from 2 to 64. The default value for H.264-
1 / H.264-2 / H.264-3 / H.264-4 is 60 / 60 / 30 / 30 (NTSC) or 50 / 50 / 25 / 25
(PAL). Click on <Save> to confirm the GOV setting.
H.264 Profile
Users can set each H.264 Profile to <Baseline Profile>, <Main Profile> or <High
Profile> according to its compression needs. With the same bit rate, the higher the
compression ratio, the better the image quality is. The default setting is <Main Pro-
file>.
NOTE: Please make sure the higher compression ratio is supported by system be-
fore setup.
Click on <Save> to confirm the setting.
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