Output Video with Frames with cv2 & Numpy

test-cv2-output-video.py

import cv2
import numpy as np

# Set frame size
frame_width = 1920
frame_height = 1080

# Create a VideoWriter object
video_writer = cv2.VideoWriter('output_video.mp4', cv2.VideoWriter_fourcc(*'mp4v'), 30, (frame_width, frame_height))

# Create a NumPy array of zeros with the specified parameters
frame_data = np.zeros((frame_height, frame_width, 4), dtype=np.uint8)

# Generate some sample frames (for demonstration purposes)
for i in range(300):
    # Modify the frame_data array here if needed
    # ...

    # Write the frame to the video file
    video_writer.write(frame_data)

    # Display progress
    print(f"Frame {i + 1} written.")

# Release the VideoWriter and close the file
video_writer.release()

print("Video saved successfully.")