Enable saving subtitles as .txt file

[soraproducer]

TLDR

This PR introduces an option (--output_txt) to save subtitles directly into text files, facilitating research and other text-based analyses. This feature caters to users who prefer working with plain text for easier manipulation and integration with various tools.

Key Changes

• Added --output_txt CLI argument.

• Implemented text file saving in the get_subtitles function.

Motivation

Providing subtitles in txt format supports diverse applications, including NLP research, educational content creation, and media processing. It simplifies workflows by offering a straightforward, editable format.

Usage

Enable text file output with --output_txt true when running auto_subtitle.

Testing

The feature has been tested across multiple video inputs to ensure reliable text output alongside existing .srt file generation.

This streamlined functionality aims to enhance the tool's versatility for all users.

[what-the-diff[bot]]

PR Summary

• Introduction of New Command Line Argument A new command line argument named --output_txt has been added. This allows users to choose whether or not they want to save the subtitles in a text file. It offers greater flexibility to control the flow of the script.

• Function 'get_subtitles' Modification The get_subtitles function has been updated to work in conjunction with the new output_txt argument. It now has the ability to save subtitles to a text file when output_txt is enabled (True). This makes the subtitle extraction process more adaptable to users' specific needs.