Subtitle tool

This utility uses Google Gemini to generate subtitles to audio and video files.

Dependencies

ffmpeg needs to be installed for audio extraction.

Process

1. Extract the audio from the video
2. Send the audio to Gemini for transcription
3. Backup the existing subtitle
4. Save the new subtitle

Dependencies

Export the API key for Gemini to the environment variable GEMINI_API_KEY or specify it in the command line with the flag --api-key.

ffmpeg needs to be installed (brew install ffmpeg, apt-get install ffmpeg or dnf install ffmpeg)

Installation

# Leaving it possible to change the local code
uv tool install -e .
uv tool update-shell

Usage

subtitle-tool --video myvideo.avi