[파이썬] moviepy 스크롤 텍스트 효과

Have you ever wondered how to create a scrolling text effect in your videos using Python? With the power of the moviepy library, you can easily add this dynamic and eye-catching effect to your videos. In this blog post, we will explore how to create a scrolling text effect using moviepy in Python.

Installing moviepy

Before we dive into creating the scrolling text effect, let’s make sure we have moviepy installed. You can install it by running the following command:

pip install moviepy

Make sure you have pip installed on your system before running the command.

Creating a Scroll Text Effect

To create the scrolling text effect, we will follow these steps:

  1. Import the necessary modules:

    import numpy as np
    from moviepy.editor import VideoClip, TextClip, CompositeVideoClip
    
  2. Define the duration and size of the video clip:

    duration = 10  # Duration of the video in seconds
    width, height = 1280, 720  # Width and height of the video in pixels
    
  3. Create a function to generate the scrolling text:

    def generate_scroll_text(t):
        # Calculate the position of the text based on time t
        x = np.interp(t, [0, duration], [0, width])
        y = height // 2  # Center the text vertically
    
        # Create a TextClip with the desired text and position
        text_clip = TextClip("Scrolling Text", fontsize=40, color='white').set_position((x, y))
    
        return text_clip
    
  4. Create a VideoClip with the scrolling text effect:

    video_clip = VideoClip(generate_scroll_text, duration=duration)
    
  5. Set the size of the video clip:

    video_clip = video_clip.set_size((width, height))
    
  6. Generate the final video by saving the video clip:

    video_clip.write_videofile("scrolling_text.mp4", fps=30)
    

That’s it! You have now created a video with a scrolling text effect using moviepy in Python. You can customize the text, font size, colors, and other parameters according to your preference.

Conclusion

The moviepy library provides an intuitive and powerful way to create video effects programmatically in Python. In this blog post, we explored how to create a scrolling text effect using moviepy by generating a VideoClip with a custom function. This opens up a whole world of possibilities for creating dynamic and engaging videos. So go ahead, unleash your creativity, and create stunning video effects with moviepy!

Happy coding!