| name | video-news-downloader |
| description | Automated daily news video downloader with AI subtitle proofreading. Downloads CBS Evening News and BBC News at Ten from YouTube, extracts and proofreads subtitles using DeepSeek, serves videos via HTTP with embedded players. Use when: (1) Setting up automated daily news video downloads, (2) Downloading CBS/BBC news with subtitles, (3) Proofreading subtitle files with AI, (4) Creating local video streaming servers with web players, (5) Managing cron jobs for scheduled video updates. |
Video News Downloader with AI Subtitle Proofreading
Complete workflow for downloading daily news videos, processing subtitles, and serving them via HTTP with web players.
Overview
This skill automates:
- Video Download: CBS Evening News + BBC News at Ten from YouTube
- Subtitle Processing: Extract auto-captions and convert to VTT format
- AI Proofreading: Use DeepSeek to fix speech recognition errors
- HTTP Streaming: Serve videos with embedded web players
- Scheduled Updates: Daily cron jobs at configurable times
Quick Start
1. Download Latest News
python3 scripts/video_download.py --cbs --bbc
2. Proofread Subtitles
python3 scripts/subtitle_proofreader.py /path/to/subtitle.vtt
Or use DeepSeek directly:
"校对字幕文件 /path/to/subtitle.vtt"
3. Start HTTP Servers
bash scripts/setup_server.sh
4. Setup Daily Cron Jobs
bash scripts/setup_cron.sh
Commands
Video Download Script
Download CBS only:
python3 scripts/video_download.py --cbs
Download BBC only:
python3 scripts/video_download.py --bbc
Download both:
python3 scripts/video_download.py --cbs --bbc
With subtitle proofreading:
python3 scripts/video_download.py --cbs --bbc --proofread
Subtitle Proofreading
Proofread single file:
python3 scripts/subtitle_proofreader.py <vtt_file_path>
Auto-proofread all news subtitles:
python3 scripts/subtitle_proofreader.py --all
Server Management
Start servers:
bash scripts/setup_server.sh start
Check status:
bash scripts/setup_server.sh status
Stop servers:
bash scripts/setup_server.sh stop
File Structure
/workspace/
├── cbs-live-local/
│ ├── cbs_latest.mp4
│ ├── cbs_latest.en.vtt # Original subtitle
│ ├── cbs_latest.en.vtt-backup # Backup
│ ├── cbs_latest-corrected.txt # DeepSeek corrected text
│ └── cbs_latest-corrections.md # Error list
│
├── bbc-news-live/
│ ├── bbc_news_latest.mp4
│ ├── bbc_news_latest.en.vtt
│ ├── bbc_news_latest.en.vtt-backup
│ ├── bbc_news_latest-corrected.txt
│ └── bbc_news_latest-corrections.md
│
└── temp/ # Temporary download files
HTTP Endpoints
Cron Jobs
Default Schedule (Beijing Time)
| Time | Task |
|---|
| 20:00 | Download latest CBS + BBC videos |
| 20:30 | DeepSeek proofread subtitles |
Manual Cron Setup
See references/cron-setup.md for detailed cron configuration.
DeepSeek Proofreading
What Gets Fixed
- Speech recognition errors (e.g., "noraster" → "nor'easter")
- Name errors (e.g., "trunk" → "Trump")
- Location name errors
- Professional terminology errors
- Obvious spelling mistakes
Output Files
For each subtitle file, generates:
-backup.vtt - Original subtitle (never modified)-corrected.txt - AI-corrected plain text-corrections.md - List of corrections made
Troubleshooting
Video Download Fails
- Check yt-dlp is installed:
yt-dlp --version
- Check YouTube URL is accessible
- Try manual download first
Subtitle Extraction Fails
- Some videos don't have auto-captions
- Check if
--list-subs shows available languages
Server Won't Start
- Check ports 8093/8095 are free:
lsof -i :8093
- Check Python http.server is available
Proofreading Issues
- Ensure DeepSeek model is available
- Check subtitle file exists and is valid VTT format
See Also
