Display Video on Video Wall
Decode and display video streams from encoding devices on the video wall, including playback, windowing, roaming, and auto-switch decoding.
After setting encoding device, decoding device, and video wall, the video stream from encoding devices can be decoded and displayed on the Video Wall.
After enabling decoding and displaying, the captured pictures of videos from encoding devices will display on the windows of Video Wall page. And the real-time video will also display on the physical video wall.
For some kinds of decoder, the video stream from signal source (which refers to the video signal, e.g., PC, connected to decoder via local APIs) can also display on the video wall. Refer to the user manual of device for details.
Decode and Display
After adding decoding device and video wall, you can start decoding the video stream from encoding devices and display the video on Video Wall.
Before You Start: Add encoding and decoding devices, and link decoding output with video wall.
Steps
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Enter the Video Wall module.
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Click Back to Operation Page to go back to the Video Wall Operation interface.
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Perform one of the following operations to start decoding and displaying.
- Drag a camera from the camera list at the left panel to a decoding window, or select a decoding window and then double-click a camera.
- Hold the Ctrl or Shift key on the keyboard and click to select multiple cameras, and then drag the selected cameras to the video wall.
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Optional: Perform one of the following operations to save the settings for scene.
Up to 8 scenes can be set for a video wall. Each scene can be configured with different settings and window divisions.
- Click on the video wall toolbar to save the settings for the current scene.
- Click (beside the save button) and select a scene to save the settings for.
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Optional: Click in the Scene panel to enable the scene.
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Optional: Get live video of camera in preview window.
- Click at the lower-right corner of video wall to open the preview window.
- Select a playing window or directly drag a camera to the preview window.
- Optional: Double-click the preview window to view the live video in full screen mode.
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Optional: Expand the PTZ panel at left to realize PTZ control for the camera.
The camera should support PTZ control.
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Optional: Right-click on the playing window to manage the decoding and display via right-click menu.
The menu differs depending on the devices.
- Start/Pause Successive Decoding — Start/Pause the auto-switch decoding. This function is only supported by decoder.
- Enlarge Window — Display the window in full-screen mode.
- Decoding Channel Status — View the status of the decoding channel, such as decoding status, stream type.
- Upload Logo — Upload a picture as the logo to the video window and set the display parameters for it. After setting, the logo shows in the defined position of the window on physical video wall.
- Lock — Lock the window to disable the roaming function.
- Set Alarm Window — Display the video triggered by event or alarm input on Video Wall.
- Decoding Delay — Set the delay degree of the decoding according to the actual needs.
Perform Windowing and Roaming
Windowing is to open a new window on the screen(s). The window can be within a screen or span multiple screens. You can move the playing window within the video wall as desired and this function is called roaming.
Before You Start: The decoding output has linked to the video wall.
The windowing and roaming function should be supported by the decoding device.
Steps
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Click Enter Video Wall Config to enter the decoding device and video wall configuration interface.
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Start decoding and displaying. Refer to Decode and Display for details.
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Drag a screen which links to a decoding output to open a window.
- If you want to open a window on the opened window, drag the window and hold the Ctrl key to create one.
- At least one camera should be selected before opening window.
The window will be displayed within a screen or span multiple screens.
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Optional: Adjust the open window.
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When the cursor changes to the move cursor, move the window to adjust its position.
During moving the window, the dotted borders will display. The window will be adjusted to align with the borders if it is moved to the location near the dotted borders.
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When the cursor becomes a directional arrow, adjust the window size.
You can also hold the Shift key to scale the window in proportion.
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Double-click the window and it will enlarge to fill the spanning screens and display on the top layer. You can double-click again to restore.
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Set the window division.
- Select a window and click to set the window division for it.
- Click to save the settings for it.
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Optional: You can do one or more of the following.
| Operation | Description |
|---|---|
| Disable Roaming Function | Right-click on window and select Lock in the right-click menu. The lock icon shows on the top-right corner of the window. In this way, the window cannot be moved and resized. For the locked window, you can click-and-drag to create a new window on it. |
| Recover Roaming Function | Right-click on the window and select Unlock in the right-click menu. |
| Stop Decoding of Window | Right-click on a window and select Stop Decoding in the right-click menu, or move the mouse to the window and click the close icon in the upper-right corner. The window will be closed. |
| Close All Roaming Windows | Click the close-all icon to close all the roaming windows. |
| Display the Latest Captured Picture | Right-click on a window and select Refresh in the right-click menu, or move the mouse to the window and click the refresh icon in the lower-right corner. |
| Digital Zoom | Right-click on a window and select Open Digital Zoom (if available) in the right-click menu. The cursor changes to the zoom cursor. Use the mouse to drag on the video to realize digital zoom. You can check the effect on the physical video wall. |
| Get a Preview of Video | Select a playing window and click the preview icon to get a preview of the video in the lower-right corner of the screen. Or you can directly drag a camera to the preview window for live view. You can also double-click the preview window to get a full-screen view. |
Display Playback on Video Wall
You can play the recorded video files on the video wall.
Before You Start: Add encoding devices stored with video files and decoders, and link decoding output with video wall.
Playback function is only supported by decoder.
Steps
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Enter Video Wall module.
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Drag a camera from the camera list on the left panel to a display window of video wall.
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Go to the playback mode.
- Move the cursor to the display window and click the playback icon that appears at the upper-right corner.
- Right-click on the display window and select Go to Playback on the right-click menu.
For cameras with video files of current day, playback will start automatically. Otherwise, you can perform the following step to search video files for playback.
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Optional: Set time period or other search conditions and click Search at the left of playback mode page to search video files. The searched video files will start playback automatically.
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Optional: Control the playback.
- Move the cursor to the playback window to show icons on the window. You can realize the functions of pausing playback, stopping playback, capturing, starting recording, going back to live view mode, and adjusting playback speed via the appeared icons.
- Right-click on the display window to control playback via the right-click menu, such as Pause, Stop, Fast Forward, Slow Forward, Capture, Start Recording, and Full-Screen.
The saving path for the captured pictures and recorded files can be configured on System Configuration page. Refer to Set File Saving Path for details.
Configure Auto-Switch Decoding
The auto-switch decoding refers to configuring multiple video streams of encoding devices to one decoding output and setting the switching interval for the decoding.
Before You Start: Add encoding devices and decoders, and link decoding output with video wall.
The auto-switch decoding is only supported by decoder.
Steps
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Enter Video Wall Operation page.
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Click beside the interval icon on the video wall toolbar to set switching interval for auto-switch decoding.
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Drag a camera from the camera list on the left panel to a display window of video wall.
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Move the cursor to a camera group node and click the auto-switch icon that appears beside the node to start auto-switch decoding. The display window of decoding output under auto-switch decoding will be marked with a corresponding icon at the upper-right corner.
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