| import os |
| import subprocess |
| import argparse |
|
|
|
|
| def parse_args(): |
| """Parse command-line arguments.""" |
| parser = argparse.ArgumentParser(description="Extract video frames using FFmpeg") |
| parser.add_argument( |
| "--input_path", type=str, required=True, |
| help="Path to the source video folder" |
| ) |
| parser.add_argument( |
| "--output_path", type=str, required=True, |
| help="Path to the output folder for extracted frames" |
| ) |
| return parser.parse_args() |
|
|
|
|
| def extract_frames_with_ffmpeg(input_folder, output_folder): |
| """Extract frames only from .mp4 videos.""" |
| os.makedirs(output_folder, exist_ok=True) |
| videos = [f for f in os.listdir(input_folder) if f.lower().endswith(".mp4")] |
| |
| if not videos: |
| print("No .mp4 video files found.") |
| return |
|
|
| for filename in videos: |
| name, _ = os.path.splitext(filename) |
| video_path = os.path.join(input_folder, filename) |
| output_dir = os.path.join(output_folder, name) |
| os.makedirs(output_dir, exist_ok=True) |
|
|
| |
| output_pattern = os.path.join(output_dir, "%05d.png") |
|
|
| cmd = [ |
| "ffmpeg", |
| "-i", video_path, |
| "-vsync", "0", |
| "-q:v", "1", |
| "-pix_fmt", "rgb24", |
| "-start_number", "0", |
| output_pattern, |
| "-hide_banner", |
| "-loglevel", "error" |
| ] |
|
|
| print(f"Processing: {filename}") |
| subprocess.run(cmd, check=True) |
| print(f"Extracted frames saved to: {output_dir}") |
|
|
| print("All video frames have been extracted!") |
|
|
|
|
| if __name__ == "__main__": |
| args = parse_args() |
| extract_frames_with_ffmpeg( |
| input_folder=args.input_path, |
| output_folder=args.output_path |
| ) |
