OpenCV Video Explorer

A modern Python/OpenCV-based video player with keyboard and trackbar controls, designed for frame-by-frame analysis and research purposes.

Features

• Play/pause video playback
• Navigate frame by frame
• Adjust playback speed
• Take screenshots of specific frames
• Navigate using a slider trackbar
• Compatible with modern OpenCV versions (2025)

Requirements

• Python 3.x
• OpenCV (cv2)
• NumPy

Installation

pip install opencv-python numpy

Usage

Run the program:

python video_player.py video_file.mp4

Controls

• W/w: Play
• S/s: Stay (Pause)
• D/d: Next (Next frame)
• A/a: Prev (Previous frame)
• E/e: Fast (Increase playing speed)
• Q/q: Slow (Decrease playing speed)
• C/c: Snap (Take screenshot of current frame)
• Esc: Exit

Trackbars

• Top trackbar: Navigate through video frames
• Bottom trackbar: Adjust playback speed

Contributing

Contributions are welcome! Feel free to submit pull requests or open issues for improvements or bug fixes.

License

This project is open source and available for educational and research purposes.