trimm_examples.py

import os

from moviepy.editor import VideoFileClip

# Define the folder and duration
input_folder = "examples"
output_folder = "examples/trimmed"
trim_duration = 3  # seconds

# Create output folder if it doesn't exist
os.makedirs(output_folder, exist_ok=True)

# Process each .mp4 file
for filename in os.listdir(input_folder):
    if filename.lower().endswith(".mp4"):
        input_path = os.path.join(input_folder, filename)
        output_path = os.path.join(output_folder, filename)

        print(f"Trimming: {input_path} -> {output_path}")
        try:
            clip = VideoFileClip(input_path).subclip(0, trim_duration)
            clip.write_videofile(
                output_path,
                codec="libx264",
                audio_codec="aac",
                verbose=False,
                logger=None,
            )
        except Exception as e:
            print(f"Failed to process {filename}: {e}")