MViP-II
IP Based Multi-Image Display & Monitoring Solution
Revision 1.2
Page - 49
6.3.1.4.
Video Monitoring - Fault Settings
Figure
6-32: Setting the Fault Parameters for Video Monitoring
Video Black:
This fault is triggered when the decoded frame is considered black (Luma Y pixel values <
20).The threshold controls how many pixels may be non-black in the decoded frame. It is the non-black
tolerance level.
•
A Value of 0% means all pixels must be black to trigger a fault (Strict Case).
•
A Value of 50% means that half of the pixels must be black to trigger a fault.
•
A Value of 100% means that no pixels need to be black to trigger a fault (Relaxed Case).
Video Frozen:
This fault is triggered when two consecutive frames have no motion. The motion is decided
using the threshold and comparing change in the Luma Y pixel value. The threshold controls how much
motion or changes in Luma Y pixel is accepted before triggering a fault.
•
A Value of 0% means consecutive frames must have no motion changes to trigger a fault (Strict
Case).
•
A Value of 50% means that half of the frame may change or move to trigger a fault.
•
A Value of 100% means that consecutive frames may have any motion change and trigger a fault
(Relaxed Case).
Bitrate Low:
This Fault is triggered when the bit rate of the stream falls below the threshold for specified
error duration in seconds. The threshold is the target bit rate value. This applies to all decoded streams
from the source.
Bitrate High:
This Fault is triggered when the bit rate of the stream falls above the threshold for specified
error duration in seconds. The threshold is the target bit rate value. This applies to all decoded streams
from the source.
