How to Programmatically Create Animated GIFs and Videos in Python?

Programmatic Video and GIF Generation in Python

Creating animated content from static images in Python is a common need. This article explores various approaches to programmatically generate videos or animated GIFs in Python.

Attempting PIL for GIF Creation

Initially, you may have attempted using the Python Imaging Library (PIL) for GIF creation. However, as discovered, PIL can be problematic, as it lacks the necessary functionality for creating animated GIFs.

Introducing ImageIO: A Reliable Alternative

To overcome the limitations of PIL, we recommend using ImageIO, a robust library that caters specifically to image processing and animation creation.

Quick and Dirty Solution

For a simple solution, you can use the following code:

<code class="python">import imageio
images = []
for filename in filenames:
    images.append(imageio.imread(filename))
imageio.mimsave('/path/to/movie.gif', images)</code>

Performance-Optimized Solution for Long Videos

If you require higher performance for longer videos, consider using ImageIO's streaming approach:

<code class="python">import imageio
with imageio.get_writer('/path/to/movie.gif', mode='I') as writer:
    for filename in filenames:
        image = imageio.imread(filename)
        writer.append_data(image)</code>

Conclusion

By leveraging the capabilities of ImageIO, you can easily create videos or animated GIFs in Python, providing a convenient and efficient solution for your image-based content needs.

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