Data
Playback
To play back previously recorded data, select View Log
from the Live View screen to open the View Log window.
The ViewLog will play back recorded video files without
affecting recording. Use Windows taskbar to toggle the
main and the playback view screen. Press [F10] and select
Video/Audio Log to open the application, shown as follows:
Click on each area
in the pictures below to find out more about the software.
(Note that the center of the
pictures has the same popup window for all the individual
cameras.)
As you click, a window will pop up giving you a brief
description each function.
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-- View Log --
Alternatively, you may click the ViewLog button
on main system and then select Video/Audio Log. By
default when you open ViewLog, it is displayed with
the last event of camera number 1. Without further
settings you could already play back the event by
pressing the Play button on Playback Control Panel
(shown as number 10 in figure 4-1). Click on the camera
view switches the current view mode to a multi-channel
view. Use buttons on Playback Control Panel to view
the event at the way you want. Move the slider in
Playback Meter back and forth to navigate video frames.
To select multiple events,
hold the Ctrl key on keyboard and select only the
required events in Video Events pane. To select a
segment of events, select the first event to be displayed,
then hold the Shift key on keyboard while selecting
the last event. Press Play button would play these
events. To select events from different dates, click
the date from the Date pane. Events of that date will
be listed in the Video Events pane.
ViewLog comes with a selection of options for search
and display mode, along with setting parameters for
printing the images.
These
options are found on the pannel to the right of the
video pannel.
The controls in the View Log Function Panel:
1 - Sample Gives the examples of
“Before” and “After” effects of contrast, brightness,
light enhancement, equalization, sharpness, smoothness
and Gray.
2 - Brighten/Contrast Modifies color
contrast and brightness of the video image.
3 - Light Enhancement/Equalization
Modifies light enhancement and equalization of the
video image. To remove the applied effect, click the
Undo button.
4 - Sharpen/Smooth Modifies smoothness
and sharpness of the video image. To remove the applied
effect, click the Undo button.
5 - Gray Scale Switches between the
color and black/white image.
6 - Copy Copies the video image.
7 - Undo Undoes the applied effects
on the video image.
8 - Save AVI File Saves a video as
an avi file; see the Exporting Video to Play Back
at Third Party Viewers section later.
9 - Save As Image Exports image files
in bmp, jpeg, gif , dcx, pcx, png, or tif format.
10 - Print Prints out the image.
11 - Print Setup Sets the parameters
for the printer.
12 - Page Setup Adjusts the page
layout.
13 - Setting Sets up advanced functions
for View Log; see the Advanced Setup section later.
14 - Tools The options included inside
are: Object Search, Advanced Log Browser, Backup Log
and Fast Key, all of which are explained later in
this chapter.
Playback Screen Layout
Click the View Mode button to select the following
screen layouts:
Single View: Display
one playback channel only.
Thumbnail View: Review
images frame by frame in thumbnails. Only one camera
at a time can be selected for this function.
Quad View: Play back
in a quad layout.
Multi View: Play back
all available cameras.
Click the View Mode button any time when you want
to change the current view mode. The option of Thumbnail
View is disabled while a video file is playing back.
Wait until the video ends or click the Pause button
to make the option available.
In a thumbnail view, a video file is divided into
a set of frames. The frames are displayed in 25 playback
windows, shown as follows.
The key frame is in the center, with 12 video frames
occurred before and after the key frame event. This
helps to locate required frames you may otherwise
miss by other viewing methods.
Searching a Video Event
View Log offers two search methods: the Basic and
the Advanced, allowing you to locate a video event
within a certain date, time or camera.
Basic Search
1. Click the Advance button and select
Basic Search to display the following dialog box.
Alternatively, press CTRL + F8 to call it up.
2. Specify a desired date and time.
3. Click the Search button for the
search. If the specified time can’t be found, a prompt
will appear for you to select a next or previously
video event available.
Advanced Search
1. Click the Advance button and select
Advanced Search to call up the following dialog box.
Alternatively, press F8 to call it up.
2. Specify the desired date, time
period, and cameras for search.
3. Click OK to start searching.
4. In the Video Event list, the events
matching the search criteria will be highlighted in
gray color. Clicking the Play button would play back
the highlighted events.
Playback Control Buttons
Video files may be played back with or without audio.
To play back with audio, click the Audio Channel On/Off
check box, as shown below. (This feature is only available
with selected models; please check for compatible
models and availability in your region.)
Adjusting Video Characteristics
The View Log Function Panel allows you to adjust the
video characteristics of the selected video file.
Exporting Video to Play Back at Third Party Viewers
You can export a certain time period within a video
event and play it back at the place where View Log
is not available. The max length of the exported file
is 1 hour.
1. Locate a desired file from the
folder tree and video event list.
2. Click the Save AVI File button
to display the following window. Alternatively, press
[S] key on the keyboard to call it up.
3. Select whether to show the date
or time in the exported file and which text colors
you prefer.
4. Drag the timelines to define a
starting and ending time of the file.
5. Click the button [……] in the Save
Folder section to assign a saving path.
6. Click the check box of Audio to
export audio contents.
7. Click Save to save and export
the file in an AVI format.
Note: You can view an exported file
at any PC with GeoMpeg4 codec. To download the codec,
use the link:http://geo-support.dipmap.com:100/install/GeoCodec.zip
Right click the GEOX.inf file, and select Install
from the call-up menu for the installation.
