Video Format Converter
This utility converts video files from one format to another (e.g., MP4 to GIF, AVI to MP4) using the moviepy library. It supports resizing and sub-clipping during conversion.
Modules Used:
Installation
pip install moviepyThe Code
Save this as converter.py.
from moviepy.editor import VideoFileClip
import argparse
import os
import sys
def convert_video(input_file, output_file, start_time=None, end_time=None, resize=None):
if not os.path.exists(input_file):
print(f"Error: Input file '{input_file}' not found.")
return
try:
print(f"Loading {input_file}...")
clip = VideoFileClip(input_file)
# Optional: Subclip (Trim)
if start_time is not None or end_time is not None:
# Handle defaults if only one is provided
s = start_time if start_time is not None else 0
e = end_time if end_time is not None else clip.duration
print(f"Trimming video from {s}s to {e}s...")
clip = clip.subclip(s, e)
# Optional: Resize
if resize:
print(f"Resizing video (scale factor: {resize})...")
clip = clip.resize(resize)
print(f"Converting to {output_file}...")
# Determine output format based on extension
ext = os.path.splitext(output_file)[1].lower()
if ext == '.gif':
clip.write_gif(output_file)
elif ext == '.mp3':
clip.audio.write_audiofile(output_file)
else:
# Default video write
# codec='libx264' is standard for MP4
clip.write_videofile(output_file, codec='libx264')
print("Conversion complete!")
except Exception as e:
print(f"Error: {e}")
finally:
# Close the clip to release resources
if 'clip' in locals():
clip.close()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Video Format Converter")
parser.add_argument("input", help="Input video file")
parser.add_argument("output", help="Output file (extension determines format, e.g., .mp4, .gif, .mp3)")
parser.add_argument("--start", type=float, help="Start time in seconds (for trimming)")
parser.add_argument("--end", type=float, help="End time in seconds (for trimming)")
parser.add_argument("--resize", type=float, help="Resize factor (e.g., 0.5 for half size)")
args = parser.parse_args()
convert_video(args.input, args.output, args.start, args.end, args.resize)Usage
# Convert AVI to MP4
python converter.py input.avi output.mp4
# Convert video to GIF (first 5 seconds, resized to 50%)
python converter.py video.mp4 animation.gif --start 0 --end 5 --resize 0.5
# Extract audio to MP3
python converter.py video.mp4 audio.mp3