Video Files

Capture: Video Files

Namespace

Emgu.CV

Emgu.CV.Capture

References

EMGU Capture Reference
EMGU VideWriter Reference
OpenCV Use Reference

Downloads

Source Code V1.0

Example

The following example shows the use of the Capture function within EMGU. The function of this library is to allow video streaming for web camera type devices and video files. This example will shows an example of reading and viewing video files, and recoding video files from a capture device using the VideWriter class. A video capture example is available here for the acquisition from devices.

Software

Pre-Requisites

The code provided should run straight out of the Emgu.Example folder (V2.4.2), extract it to this location. If the code fails to execute re-reference the EMGU libraries and include the required opencv dlls in the bin directory. Note that the project is set to build to the output path "..\..\..\bin\" you may wish to change this if you don't extract to the EMGU.Example folder.

The video record function will require a webcam or alternative capture device. It will acquire from the Os default device. Some additional video codecs may be required if they are not already installed on your system.

EMGU Coding Level: While the coding is not advanced the rated level for this example is Intermediate/Beginner. This is not designed as a full on tutorial and general knowledge of the EMGU is expected. While the coding is basic the are several methods involved that may be of putting the newcomers of EMGU.

The Code

The code provided in this sample is basic there is little or no error checking. Support is available through the Forums but please try and examine the code before saying it doesn't work for you. The code is not optimised instead is better formatted to provided an understanding of the stages involved.

Decription....

The Code: Variables

What they do...

Variables

The Code: Methods

What a method does...

Method

Methods Available

Used

• name()

Unused

• name()

Bugs

1. Numbered list If any