Video News Downloader with AI Subtitle Proofreading

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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:

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](references/cron-setup.md) for detailed cron configuration.

DeepSeek Proofreading

What Gets Fixed

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

Subtitle Extraction Fails

Server Won't Start

Proofreading Issues

See Also