video-subtitles

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Speech & Transcription

Generate SRT subtitles from video/audio with translation support.

SKILL.md

# Video Subtitles Generate movie-style subtitles from video or audio files. Supports transcription, translation, and burning subtitles directly into video. ## Features - **Hebrew**: ivrit.ai fine-tuned model (best Hebrew transcription) - **English**: OpenAI Whisper large-v3 - **Auto-detect**: Automatically detects language and selects best model - **Translation**: Translate Hebrew → English - **Burn-in**: Hardcode subtitles into video (visible everywhere, including WhatsApp) - **Movie-style**: Natural subtitle breaks (42 chars/line, 1-7s duration) ## Quick Start ```bash # Plain transcript ./scripts/generate_srt.py video.mp4 # Generate SRT file ./scripts/generate_srt.py video.mp4 --srt # Burn subtitles into video (always visible) ./scripts/generate_srt.py video.mp4 --srt --burn # Translate to English + burn in ./scripts/generate_srt.py video.mp4 --srt --burn --translate en # Force language ./scripts/generate_srt.py video.mp4 --lang he # Hebrew ./scripts/generate_srt.py video.mp4 --lang en # English ``` ## Options | Flag | Description | |------|-------------| | `--srt` | Generate SRT subtitle file | | `--burn` | Burn subtitles into video (hardcoded, always visible) | | `--embed` | Embed soft subtitles (toggle in player) | | `--translate en` | Translate to English | | `--lang he/en` | Force input language | | `-o FILE` | Custom output path | ## Output - **Default**: Plain text transcript to stdout - **With `--srt`**: Creates `video.srt` alongside input - **With `--burn`**: Creates `video_subtitled.mp4` with hardcoded subs ## Requirements - **uv**: Python package manager (auto-installs dependencies) - **ffmpeg-full**: For burning subtitles (`brew install ffmpeg-full`) - **Models**: ~3GB each, auto-downloaded on first use ## Subtitle Style - Font size 12, white text with black outline - Bottom-aligned, movie-style positioning - Max 42 chars/line, 2 lines max - Natural breaks at punctuation and pauses

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