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# Copyright (c) 2024, please contact before redistribution/modification
FONT_URL = 'https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hjQ.ttf'
from moviepy.editor import *
import whisper
from cached_path import cached_path
from moviepy.video.tools.subtitles import SubtitlesClip
import torch
import tempfile
import gradio as gr
from pathlib import Path
mdl = whisper.load_model("base" if torch.cuda.is_available() else 'tiny')
if torch.cuda.is_available(): mdl.to('cuda')
def subtitle(input):
input = str(input)
status = "**Starting...**"
yield status, gr.update()
gr.Info("Transcribing...")
status += "\n\n[1/5] Transcribing... (may take a while)"
yield status, gr.update()
transcript = mdl.transcribe(
word_timestamps=True,
audio=input
)
status += "\n\n[2/5] Processing subtitles..."
yield status, gr.update()
gr.Info("Processing subtitles...")
subs = []
for segment in transcript['segments']:
for word in segment['words']:
subs.append(((word['start'], word['end'],), word['word'].strip(),))
status += "\n\n[3/5] Loading video..."
yield status, gr.update()
gr.Info("Loading video...")
print(input)
video = VideoFileClip(Path(input))
width, height = video.size
generator = lambda txt: TextClip(txt, size=(width * (3 / 4) + 8, None), color='white', stroke_color='black', stroke_width=8, method='caption', fontsize=min(width / 7, height / 7), font=str(cached_path(FONT_URL)))
generator1 = lambda txt: TextClip(txt, size=(width * (3 / 4), None), color='white', method='caption', fontsize=min(width / 7, height / 7), font=str(cached_path(FONT_URL)))
status += "\n\n[4/5] Loading video clip..."
yield status, gr.update()
gr.Info("Loading video clip...")
subtitles = SubtitlesClip(subs, generator)
subtitles2 = SubtitlesClip(subs, generator1)
result_1 = CompositeVideoClip([video, subtitles.set_pos(('center','center'))])
result = CompositeVideoClip([result_1, subtitles2.set_pos(('center','center'))])
status += "\n\n[5/5] Writing video... (may take a while)"
yield status, gr.update()
gr.Info("Writing video...")
with tempfile.NamedTemporaryFile(suffix='.mp4', delete=False) as f:
result.write_videofile(f.name, codec='h264_videotoolbox', audio_codec='aac', threads=64)
status += "\n\n**Done!**"
yield status, f.name
return
with gr.Blocks() as demo:
with gr.Row():
with gr.Column(scale=3):
gr.Markdown("""
# AutoSubs
Automatically add on-screen subtitles to your videos.
**NOTE:** Uploading copyrighted/NSFW content to this service is strictly prohibited.
The maximum length of video is 5 minutes. This service probably won't work well on non-English videos.
Powered by OAI Whisper & MoviePy!
""")
vid_inp = gr.Video(interactive=True, label="Upload or record video", max_length=300)
go_btn = gr.Button("Transcribe!", variant="primary")
with gr.Column(scale=1):
status = gr.Markdown("**Status updates will appear here.**")
vid_out = gr.Video(interactive=False, label="Result")
go_btn.click(subtitle, inputs=[vid_inp], outputs=[status, vid_out])
demo.queue(api_open=False, default_concurrency_limit=20).launch(show_api=False) |