| import os | |
| import cv2 | |
| from pathlib import Path | |
| def extract_frames(video_path, output_dir, fps=2): | |
| os.makedirs(output_dir, exist_ok=True) | |
| vidcap = cv2.VideoCapture(video_path) | |
| video_name = Path(video_path).stem | |
| count = 0 | |
| frame_id = 1 | |
| success, image = vidcap.read() | |
| failed = 0 | |
| while success: | |
| if int(vidcap.get(cv2.CAP_PROP_POS_FRAMES)) % max(1, int(vidcap.get(cv2.CAP_PROP_FPS) // fps)) == 0: | |
| frame_name = f"{video_name}_{frame_id:04d}.png" | |
| out_path = os.path.abspath(os.path.join(output_dir, frame_name)) | |
| ok = cv2.imwrite(out_path, image) | |
| if not ok: | |
| print(f"[ERROR] Failed to write frame: {out_path}") | |
| failed += 1 | |
| elif frame_id <= 5: | |
| print(f"[DEBUG] Wrote frame: {out_path}") | |
| frame_id += 1 | |
| success, image = vidcap.read() | |
| count += 1 | |
| vidcap.release() | |
| print(f"Extracted {frame_id-1} frames from {video_path}. Failed writes: {failed}") | |
| if __name__ == "__main__": | |
| video_dir = "videos" | |
| frames_dir = "frames" | |
| for video_file in os.listdir(video_dir): | |
| if video_file.lower().endswith(('.mp4', '.avi', '.mov')): | |
| extract_frames(os.path.join(video_dir, video_file), frames_dir) | |