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Video Subtitle Generator with Whisper and FFmpeg

This project is a video subtitle generator built using Streamlit, Whisper, and FFmpeg. It extracts audio from a video, transcribes the audio using Whisper, generates subtitles in .srt format, and adds them back to the original video. It supports both soft and hard subtitles.

Features

  • Audio Extraction: Extracts audio from video files (supports .mp4 format).
  • Transcription: Uses the Whisper model to transcribe the extracted audio into text.
  • Subtitle Generation: Creates .srt subtitle files with timestamps for the transcribed text.
  • Subtitle Embedding: Adds the generated subtitles to the video either as soft subtitles (text tracks) or hard subtitles (burned into the video).
  • Streamlit Interface: Easy-to-use web interface for uploading videos and downloading the processed video with subtitles.

Requirements

This project requires several dependencies. Below are the steps to install them:

1. Clone the Repository

https://github.com/balrajegorad/Video-Subtitle-Generator.git
cd Video-Subtitle-Generator

2. Install Python Dependencies

Create a virtual environment :

python -m venv venv
source venv/bin/activate  # On Windows use `venv\Scripts\activate`

Install the required Python packages from the requirements.txt file:

pip install -r requirements.txt

3. Install FFmpeg

This project uses FFmpeg for video processing. Ensure FFmpeg is installed and available in your system’s PATH.

macOS (Homebrew):

brew install ffmpeg

Ubuntu:

sudo apt update
sudo apt install ffmpeg

Windows:

Download FFmpeg from here and follow the instructions to add it to your PATH.

4. Install Whisper Model Dependencies

The project uses the faster-whisper library to handle audio transcription. Install it by running:

pip install faster-whisper==1.0.3

Running the Application

Once you’ve installed all dependencies, you can run the Streamlit app :

  1. Start the Streamlit app with the command:
streamlit run main.py