app.py

import gradio as gr
import os

a = os.path.join(os.path.dirname(__file__), "files/convert-to-gradio-sd.mp4")
b = os.path.join(os.path.dirname(__file__), "files/barkley_balloon.mp4")
w1 = os.path.join(os.path.dirname(__file__), "files/hf-logo-with-title.png")
w2 = os.path.join(os.path.dirname(__file__), "files/hf-logo.png")


def generate_video(original_video, watermark):
    return gr.Video(original_video, watermark=watermark)

# Use RGBA image mode to preserve transparency for png images.
demo = gr.Interface(generate_video, [gr.Video(), gr.Image(type='filepath', image_mode='RGBA')], gr.Video(),
                    examples=[[a, w1], [b, w2]], title="Watermarking Example", description="Watermarks can be **visible** or **invisible**; they can provide information directly or provide a link for more information.")

if __name__ == "__main__":
    demo.launch()