Table of Contents
Advertisement
types include Normal, Flip, Mirror, 90 degree clockwise, 180 degree rotate and
90 degree 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. The setting range is from 2
to 64. Default value is 60, which means there's one I-frame every 60 frames.
Longer GOV length means lower I-frame frequency. The default value for
H.264-1/ H.264-2/ H.264-3/ H.264-4 is 60/ 60/ 30/ 30. 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 Profile>.
NOTE: Please make sure the higher compression ratio is supported by
system before setup.
77
Advertisement
Table of Contents
