Python | Play a video using OpenCV

#pyresearch

OpenCV (Open Source Computer Vision) is a computer vision library that contains various functions to perform operations on Images or videos. OpenCV library can be used to perform multiple operations on videos.

Let’s see how to play a video using OpenCV Python. To capture a video, we need to create a VideoCapture object. VideoCapture has the device index or the name of a video file. The device index is just the number to specify which camera. If we pass 0 then it is for the first camera, 1 for the second camera so on. We capture the video frame by frame.

Syntax

cv2.VideoCapture(0): Means first camera or webcam.
cv2.VideoCapture(1): Means second camera or webcam.

Step 1: Import the required modules.
Step 2: Create the object of the VideoCapture and read the input file
Step 3: Check if the camera is opened or not.
Step 4: Entire file is read frame by frame.

Below is the complete implementation

Explanation:

Here we are first importing the required modules first and using the VideoCapture() method to read the input video file and raise an error if the file didn’t open and imshow() to present the frame that was fetched.

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