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import gradio as gr
import os
from moviepy.editor import VideoFileClip, TextClip, CompositeVideoClip
import ffmpeg # Make sure to install ffmpeg-python
def read_subtitle_file(subtitle_path):
with open(subtitle_path, 'r', encoding='utf-8') as file:
subtitle_content = file.read()
return os.path.basename(subtitle_path), subtitle_content
def add_subtitle_to_video(input_video, subtitle_file, subtitle_language, soft_subtitle):
subtitle_file_path = subtitle_file.replace(" ", "\\ ")
video_input_stream = ffmpeg.input(input_video)
subtitle_input_stream = ffmpeg.input(subtitle_file)
input_video_name = os.path.splitext(os.path.basename(input_video))[0]
output_video = f"/tmp/output-{input_video_name}.mp4"
subtitle_track_title = os.path.splitext(os.path.basename(subtitle_file))[0]
stream = ffmpeg.output(
video_input_stream, subtitle_input_stream, output_video,
**{"c": "copy", "c:s": "mov_text"},
**{"metadata:s:s:0": f"language={subtitle_language}",
"metadata:s:s:0": f"title={subtitle_track_title}"}
)
ffmpeg.run(stream, overwrite_output=True)
return output_video
def video_demo(video, subtitle, subtitle_type, subtitle_language):
if subtitle is not None:
soft_subtitle = "Hard"
processed_video_path = add_subtitle_to_video(video, subtitle, subtitle_language, soft_subtitle)
return processed_video_path
else:
return video
with gr.Blocks() as demo:
# Header and information
gr.Markdown("<h1 style='text-align: center;'>Text to SRT Converter</h1>", unsafe_allow_html=True)
gr.Markdown("<h3 style='text-align: center; color: #FF5733;'>⚠️ Note: The processing can take some time depending on the video length and size.</h3>", unsafe_allow_html=True)
# Inputs section
with gr.Row():
with gr.Column(scale=1):
video_input = gr.Video(label="Upload Video")
with gr.Column(scale=1):
subtitle_input = gr.File(label="Upload Subtitle File", file_types=[".srt", ".vtt"])
with gr.Column(scale=1):
subtitle_language_input = gr.Textbox(label="Subtitle Language (ISO 639-1, e.g., 'en')")
# Submit button
with gr.Row():
submit_button = gr.Button("Process Video", elem_id="process_button")
# Output video
output_video = gr.Video(label="Processed Video", elem_id="output_video")
# Button click action
submit_button.click(fn=video_demo, inputs=[video_input, subtitle_input, subtitle_language_input], outputs=output_video)
# Custom CSS to enhance visual appearance
demo.style(
'''
<style>
#process_button { background-color: #4CAF50; color: white; border: none; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; border-radius: 8px; }
#output_video { border: 2px solid #4CAF50; border-radius: 8px; }
.gr-column { padding: 10px; }
.gr-row { justify-content: center; margin-top: 20px; }
</style>
''',
unsafe_allow_html=True
)
if __name__ == "__main__":
demo.launch()
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