Interactive Video Frame Extractor v0.1.1

• Video playback feature with seekbar (mimics commonly known video players)
• Manual frame saving feature (for extracting selective frames from video)
• Rewind/Forward with adjustable time step from 1 frame to 10 seconds
• Batch frame extraction feature with start and end interval with step.
• Optional feature for cropping frames to ROI coordinates (x1, y1, x2, y2)