video-news-downloader

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

| 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:

-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