Video Acquisition

## Video Acquisition

The Video Acquisition module provides a video source, which can be selected from local loading or a physical camera.

## Module Principle
This module reads an image from the local hard disk or camera according to the parameter settings as the image input source for subsequent modules.

## Usage Scenarios
This module is used in scenarios where images need to be read from a video.

## Usage Method
This module is generally used as the first module in the flow to generate an image source for subsequent image processing and other operations.

### Successor Module
This module is generally used in conjunction with the Display Image module, in which the effect of the image output by this module can be seen.

## Parameter Configuration Description
  ### Select Camera
  Associate the corresponding physical camera in the video camera manager.
  ### Parameter Source
  * Use Connection Parameters: The parameters for the camera to read the video are consistent with those when connecting the video camera.

## Output Description
### Running Result
Whether the camera image acquisition is successful.
### Image Name
The name of the connected video camera.
### Color Image
Current image information and image data.
### Video Frame Rate
* When loading video from local, it is the number of images played per second.
* For physical camera, this value is 0.
### Total Video Frames
* When loading video from local, it is the total number of images in the video.
* For physical camera, this value is 0.
### Current Frame Position
* When loading video from local, it is the index of the current image in the video, starting from 1.
* For physical camera, this value is 0.
### Current Frame Time [Second]
* When loading video from local, it is the time elapsed from the beginning of the video for the current image.
* For physical camera, this value is 0.

## Precautions
1. The network card of the computer connecting the video camera must be set to a static IP address.
2. The username and password of the video camera are recommended to be set to admin and admin123.

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Click here to jump to the corresponding Chinese manual page: [Video Acquisition](/doc/38)