Video News Downloader

Automated daily news video downloader with AI subtitle proofreading. Downloads CBS Evening News and BBC News at Ten from YouTube, extracts and proofreads sub...

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:

1. Video Download: CBS Evening News + BBC News at Ten from YouTube
2. Subtitle Processing: Extract auto-captions and convert to VTT format
3. AI Proofreading: Use DeepSeek to fix speech recognition errors
4. HTTP Streaming: Serve videos with embedded web players
5. 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

Endpoint	Description
http://IP:8093/	CBS Evening News player
http://IP:8093/cbs_latest.mp4	CBS video direct
http://IP:8095/	BBC News at Ten player
http://IP:8095/bbc_news_latest.mp4	BBC video direct

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:

1. -backup.vtt - Original subtitle (never modified)
2. -corrected.txt - AI-corrected plain text
3. -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

• references/workflow.md - Detailed workflow documentation
• references/cron-setup.md - Cron job configuration guide