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subtitles: Generate and Render Timed Subtitles Using 'FFmpeg'

Tools for generating timed subtitle files and rendering them into video with the 'FFmpeg' command-line interface (<https://ffmpeg.org/>). Converts structured transcription output (such as that produced by 'Whisper' speech-to-text models) into SubRip ('SRT') and Advanced SubStation Alpha ('ASS') subtitle files, with word-level caption timing, styling presets, and line-break control, and burns subtitles into video files using the 'FFmpeg' subtitles filter.

Version: 0.1.1
Imports: jsonlite, processx
Suggests: tinytest
Published: 2026-07-29
DOI: 10.32614/CRAN.package.subtitles
Author: Troy Hernandez ORCID iD [aut, cre], cornball.ai [cph]
Maintainer: Troy Hernandez <troy at cornball.ai>
BugReports: https://github.com/cornball-ai/subtitles/issues
License: MIT + file LICENSE
URL: https://github.com/cornball-ai/subtitles
NeedsCompilation: no
SystemRequirements: ffmpeg (>= 5.0), libass
Materials: README, NEWS
CRAN checks: subtitles results

Documentation:

Reference manual: subtitles.html , subtitles.pdf

Downloads:

Package source: subtitles_0.1.1.tar.gz
Windows binaries: r-devel: subtitles_0.1.1.zip, r-release: subtitles_0.1.1.zip, r-oldrel: subtitles_0.1.1.zip
macOS binaries: r-release (arm64): subtitles_0.1.1.tgz, r-oldrel (arm64): subtitles_0.1.1.tgz, r-release (x86_64): subtitles_0.1.1.tgz, r-oldrel (x86_64): subtitles_0.1.1.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=subtitles to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.