codex-video-short-maker-skill

Create short clips from local video files using ffmpeg, with optional local Whisper subtitles. Use when Codex is asked to turn a long local video into a short, trim boring pauses, remove dead air, cut silence, create a 30-60 second clip, export a vertical 9:16 MP4, generate captions/subtitles, burn subtitles into a video, or generate a simple edit report. Base editing is ffmpeg-based; subtitles use local whisper.cpp and do not require an API key.