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Automatically subtitle any video spoken in any language to a language of your choice using AI.

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Subtitler

Automatically subtitle any video spoken in any language to a language of your choice using AI.

Models used:

Tools used:

  • ffmpeg

Please don't forget to star the repository if you find it useful or educational!

Before:

soldier.mp4

After (in Romanian - model_type=medium, language_model_type=base):

soldier_subtitled.mp4

Setup

Install using pip.

pip install gptsubtitler

Install ffmpeg:

# Ubuntu or Debian
sudo apt update && sudo apt install ffmpeg

# MacOS
brew install ffmpeg

# Windows using Chocolatey https://chocolatey.org/
choco install ffmpeg

Quick guide

Example usage for adding subtitles and translating them in Romanian:

Command line:

gptsubtitler soldier.mp4 --source_language en --target_language ro --captioning_model_type medium --language_model_type base

Or in Python

from gptsubtitler import Transcriber

# I strongly recommend using the "medium" model_type.
Transcriber.transcribe("soldier.mp4", source_language="en", target_language="ro", captioning_model_type="medium", language_model_type="base")

You can also use the Translator class from translator.py if you just want to translate some text.

Example usage for translating from English to Romanian:

from gptsubtitler import Translator

print(Translator.translate("Hi!", target_language="ro", source_language="en"))

If you have generated a .srt file and just want to add subtitles:

from gptsubtitler import create_video_with_subtitles
create_video_with_subtitles("video.mp4", "output.srt", "video_subtitled.mp4")

Options

Args:
    video_file (str): Path to video file.

    output_video_file (str, optional): Path to output video file. Defaults to video_file_subtitled.

    output_subtitle_file (str, optional): Path to output SRT file. Defaults to "output.srt".

    source_language (str, optional): Source language for translation. Defaults to en.

    target_language (str, optional): Target language for translation. Defaults to None.

    captioning_model_type (str, optional): Model type. Defaults to "base".

    language_model_type (str, optional): Language model type. Defaults to "base".

    model_dir (str, optional): Path to model directory. Defaults to None.

Available options for captioning_model_type (the audio to text model):

  • tiny
  • base - default
  • small
  • medium
  • large

Available options for language_model_type (the language translator model):

  • base - default
  • large

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Automatically subtitle any video spoken in any language to a language of your choice using AI.

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