DVS Clipster User's Guide Page 102

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CLIPSTER Edit Tool User Guide
the single-threaded I/O mode. If used in the multi-threaded I/O mode,
the drawn access times to a single file (one bar) may be longer because
several files were read/written at the same time.
Figure 4-22: Chart of performance monitor (individual file I/O duration)
At the top left of the chart you can find the last measured access time.
It details in certain intervals during operation the measured access time
in milliseconds, i.e. the value of one bar in the chart.
At the top right of the chart you can find an indication about how many
frames were processed total and how many drops occurred during this
time.
When operating, the access times are displayed via blue bars in the
chart. If bars reach the top line during an operation, it may indicate dif-
ficulties during the loading of particular files. However, clips of a higher
resolution usually require more time to access, especially when transi-
tions are applied to the timeline. Then, high bars do not necessarily
mean that a drop may occur soon. Drops are detected by the real-time
core of the DVS system and they will be displayed as bars in red that
are cut at the top.
4.6.2 Chart Controls
With the chart controls you can control the appearance of the chart or
create a proprietary DVS information file.
The chart controls provide the following items:
If the controls appear dimmed, the performance monitor is dis-
abled. To use it you have to enable it first. This can be done
with the Configuration Tool (see “CLIPSTER Configurations”
user guide for more information).
Currently this button provides no functionality.
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