Video Generator | 视频生成器

Automated text-to-video pipeline with multi-provider TTS/ASR support - OpenAI, Azure, Aliyun, Tencent | 多厂商 TTS/ASR 支持的自动化文本转视频系统

🎬 Video Generator Skill

Automated text-to-video generation system that transforms text scripts into professional short videos with AI-powered voiceover, precise timing, and cyber-wireframe visuals.

Cost: ~$0.003 per 15-second video | License: MIT | Package: openclaw-video-generator

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📦 Package Information

Property	Value
npm Package	openclaw-video-generator
Version	1.6.2
Repository	github.com/ZhenRobotics/openclaw-video-generator
Commit Hash	6279034
License	MIT

Verification:

npm info openclaw-video-generator version repository.url
# Expected: 1.6.2 and https://github.com/ZhenRobotics/openclaw-video-generator

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🔐 Provider Setup (Choose ONE)

This tool supports 4 alternative TTS/ASR providers. You only need ONE configured:

Option 1: OpenAI (Recommended)

export OPENAI_API_KEY="sk-..."

• Pros: Best quality, simple setup
• Cost: ~$0.003 per 15s video

Option 2: Azure

export AZURE_SPEECH_KEY="..."
export AZURE_SPEECH_REGION="eastasia"

• Pros: Enterprise reliability
• Cost: Similar to OpenAI

Option 3: Aliyun (阿里云)

export ALIYUN_ACCESS_KEY_ID="..."
export ALIYUN_ACCESS_KEY_SECRET="..."
export ALIYUN_APP_KEY="..."

• Pros: China connectivity, Chinese voices
• Cost: ~¥0.02 per 15s video

Option 4: Tencent (腾讯云)

export TENCENT_SECRET_ID="..."
export TENCENT_SECRET_KEY="..."
export TENCENT_APP_ID="..."

• Pros: China connectivity
• Cost: ~¥0.02 per 15s video

Why multiple providers? Fallback support for network restrictions, regional preferences, and cost optimization.

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🚀 Quick Start

Prerequisites

node --version  # Need >= 18
npm --version
ffmpeg -version

Installation

Option 1: npm Global Install

npm install -g openclaw-video-generator@1.6.2
export OPENAI_API_KEY="sk-..."  # Or add to ~/.bashrc
openclaw-video-generator --version

Option 2: From Source

git clone https://github.com/ZhenRobotics/openclaw-video-generator.git
cd openclaw-video-generator
npm install

# Configure provider
cp .env.example .env
nano .env  # Add your API key
chmod 600 .env

First Video

cd ~/openclaw-video-generator
cat > test.txt << 'EOF'
AI makes development easier
Saving time and boosting efficiency
EOF

./scripts/script-to-video.sh test.txt --voice nova --speed 1.15
# Output: out/test.mp4

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💻 Agent Usage

When to Use

Auto-trigger when user mentions: video, generate video, create video, 生成视频

Standard Command

cd ~/openclaw-video-generator && \
./scripts/script-to-video.sh <script-file> \
  --voice nova \
  --speed 1.15

With Background Video

cd ~/openclaw-video-generator && \
./scripts/script-to-video.sh <script-file> \
  --voice nova \
  --bg-video "backgrounds/tech.mp4" \
  --bg-opacity 0.6

Example Flow

User: "Generate video: AI makes development easier"

Agent:

# 1. Check project
ls ~/openclaw-video-generator || echo "Not installed"

# 2. Create script
cat > ~/openclaw-video-generator/scripts/user-script.txt << 'EOF'
AI makes development easier
EOF

# 3. Generate
cd ~/openclaw-video-generator && \
./scripts/script-to-video.sh scripts/user-script.txt

# 4. Show result
echo "Video: ~/openclaw-video-generator/out/user-script.mp4"

Guidelines

Do:

• Verify project exists before running
• Check .env configuration
• Show output file location

Don't:

• Clone without user confirmation
• Hardcode API keys in commands
• Create new Remotion projects

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🎯 Core Features

• Multi-Provider TTS: OpenAI, Azure, Aliyun, Tencent with auto-fallback
• Timestamp Extraction: Precise speech-to-text segmentation
• Scene Detection: 6 intelligent scene types with auto-styling
• Video Rendering: Remotion with cyber-wireframe aesthetics
• Background Videos: Custom backgrounds with opacity control
• Local Processing: Video rendering happens on your machine

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⚙️ Configuration

TTS Voices

OpenAI:

• nova (recommended), alloy, echo, shimmer

Azure:

• zh-CN-XiaoxiaoNeural, zh-CN-YunxiNeural

Speech Speed

Range: 0.25 - 4.0 | Recommended: 1.15

Background Video

• --bg-video <path> - Video file
• --bg-opacity <0-1> - Transparency
• --bg-overlay <rgba> - Text overlay

Recommended:

Use Case	Opacity	Overlay
Text-focused	0.3-0.4	rgba(10,10,15,0.6)
Balanced	0.5-0.6	rgba(10,10,15,0.4)
Visual-focused	0.7-1.0	rgba(10,10,15,0.25)

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📊 Video Specs

• Resolution: 1080 x 1920 (vertical)
• Frame Rate: 30 fps
• Format: MP4 (H.264 + AAC)
• Style: Cyber-wireframe with neon colors
• Duration: Auto-calculated

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🎨 Scene Types

Type	Effect	Trigger
title	Glitch + scale	First segment
emphasis	Pop-up zoom	Numbers/percentages
pain	Shake + warning	Problems mentioned
content	Fade-in	Regular text
circle	Rotating ring	Listed points
end	Slide-up	Last segment

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💰 Cost

Per 15-second video: ~$0.003 (< 1 cent)

• TTS: ~$0.001
• Whisper: ~$0.0015
• Rendering: Free (local)

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🔧 Troubleshooting

Project Not Found

ls ~/openclaw-video-generator || \
git clone https://github.com/ZhenRobotics/openclaw-video-generator.git ~/openclaw-video-generator && \
cd ~/openclaw-video-generator && npm install

API Key Error

# Verify .env
cat ~/openclaw-video-generator/.env

# Create if missing
cd ~/openclaw-video-generator
echo 'OPENAI_API_KEY="sk-..."' > .env
chmod 600 .env

Provider Test

cd ~/openclaw-video-generator && ./scripts/test-providers.sh

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🔒 Privacy

Local Processing:

• Video rendering
• Scene orchestration
• File management

Cloud Processing (via configured provider):

• Text-to-Speech (text sent to API)
• Speech recognition (audio sent to API)

API keys are stored in .env file (600 permissions, never committed to git).

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📚 Documentation

• npm: https://www.npmjs.com/package/openclaw-video-generator
• GitHub: https://github.com/ZhenRobotics/openclaw-video-generator
• Issues: https://github.com/ZhenRobotics/openclaw-video-generator/issues

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📊 Tech Stack

Remotion · OpenAI · Azure · Aliyun · Tencent · TypeScript · Node.js · FFmpeg

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🆕 Version History

v1.6.2 (2026-03-25) - Current

• Chinese TTS integration (Aliyun)
• Dual subtitle styles
• Medical content examples

v1.6.0 (2026-03-18)

• Premium styles system
• Poster generator
• Design tokens

v1.2.0 (2026-03-07)

• Background video support
• Multi-provider architecture
• Auto-fallback

v1.0.0 (2026-03-03)

• Initial release

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License: MIT | Author: @ZhenStaff | Support: GitHub Issues