Calculate a custom engagement score for a clip based on available data. Higher scores indicate more engaging content.

Convert seconds to ASS time format.

Create clean, bold subtitles matching the provided style: white bold for text, yellow bold for numbers/currency, no effects, TOP CENTER.

Generate the transcription file path based on input video path.

Load existing transcription if it exists.

Remove characters not allowed in filenames, but keep spaces, punctuation, and emojis.

Save transcription to file.

Transcribe with progress tracking

Get the path to a font file in the font directory.