Slide Stream 2.0

🎬 Professional AI-powered video presentations from Markdown and PowerPoint files.

Transform your content into stunning video presentations with AI-generated images, premium text-to-speech, and smart content enhancement. Version 2.0 introduces a modern configuration system and professional-grade providers.

✨ What's New in 2.0

• 🖼️ AI Image Generation: DALL-E 3 creates custom images for your slides
• 🎙️ Premium Voices: ElevenLabs delivers studio-quality narration
• 📸 Stock Photos: Pexels & Unsplash integration with API keys
• ⚙️ Configuration System: YAML-based setup with environment variables
• 🎯 Simplified CLI: Clean commands, no more option overload
• 🔄 Smart Fallbacks: Graceful degradation when services unavailable

🚀 Quick Start

1. Installation

# Install with all AI providers
pip install slide-stream[all-ai]

# Or install with specific providers
pip install slide-stream[openai,elevenlabs]

2. Setup Configuration

# Create configuration file
slide-stream init

# Check available providers
slide-stream providers

3. Configure API Keys

Set environment variables for the services you want to use:

# For AI image generation
export OPENAI_API_KEY="your-openai-key"

# For premium text-to-speech  
export ELEVENLABS_API_KEY="your-elevenlabs-key"

# For stock photos (optional)
export PEXELS_API_KEY="your-pexels-key"
export UNSPLASH_ACCESS_KEY="your-unsplash-key"

4. Create Your First Video

# Create from Markdown
slide-stream create presentation.md output.mp4

# Create from PowerPoint
slide-stream create slides.pptx video.mp4

🎯 Usage Examples

Basic Video Creation

# Simple creation (uses default config)
slide-stream create slides.md presentation.mp4

# With custom configuration
slide-stream create --config my-config.yaml presentation.pptx video.mp4

Example Markdown File

# Welcome to AI-First Development

- Build smarter applications with integrated AI
- Learn practical implementation patterns
- Deploy production-ready solutions

# Why Choose AI-First?

- Faster development cycles
- Enhanced user experiences  
- Competitive advantage in the market

# Getting Started

- Set up your development environment
- Choose the right AI services
- Build your first AI-powered feature

⚙️ Configuration

SlideStream uses YAML configuration files for maximum flexibility:

# slidestream.yaml
providers:
  llm:
    provider: openai        # Content enhancement
    model: gpt-4o-mini
    
  images:
    provider: dalle3        # AI-generated images
    fallback: text         # Fallback when DALL-E unavailable
    
  tts:
    provider: elevenlabs   # Premium text-to-speech
    voice: rachel          # Voice selection

# API Keys (use environment variables for security)
api_keys:
  openai: "${OPENAI_API_KEY}"
  elevenlabs: "${ELEVENLABS_API_KEY}"
  pexels: "${PEXELS_API_KEY}"
  unsplash: "${UNSPLASH_ACCESS_KEY}"

settings:
  video:
    resolution: [1920, 1080]
    fps: 24
    codec: libx264
  cleanup: true

Configuration Discovery

SlideStream automatically finds your config in this order:

1. ./slidestream.yaml (current directory)
2. ~/.slidestream.yaml (home directory)
3. Built-in defaults

🔧 Available Providers

Image Providers

Provider	Description	Requirements
dalle3	AI image generation via DALL-E 3	OpenAI API key
pexels	Professional stock photos	Pexels API key
unsplash	High-quality stock photos	Unsplash API key
text	Text-based slides (always available)	None

Text-to-Speech Providers

Provider	Description	Requirements
elevenlabs	Premium AI voices with emotion	ElevenLabs API key
openai	Natural OpenAI TTS voices	OpenAI API key
gtts	Google Text-to-Speech (free)	None

LLM Providers

Provider	Description	Requirements
openai	GPT models for content enhancement	OpenAI API key
gemini	Google Gemini models	Gemini API key
claude	Anthropic Claude models	Anthropic API key
groq	Fast inference with Groq	Groq API key
ollama	Local models via Ollama	Ollama installation

📋 CLI Commands

Core Commands

# Create video presentation
slide-stream create <input_file> <output_file>

# Generate example configuration
slide-stream init [config_file]

# List available providers and their status
slide-stream providers

# Show help
slide-stream --help

Examples

# Basic usage
slide-stream create slides.md presentation.mp4

# With custom config
slide-stream create --config prod.yaml deck.pptx video.mp4

# Check what's available
slide-stream providers

# Create config file
slide-stream init my-config.yaml

🎨 Advanced Features

PowerPoint Integration

• Slide Content: Extracts titles, bullet points, and images
• Speaker Notes: Uses notes for enhanced AI narration
• Layouts: Preserves slide structure and hierarchy

AI Enhancement

• Content Improvement: LLMs enhance slide text for better flow
• Image Generation: DALL-E 3 creates relevant, professional images
• Voice Selection: Choose from multiple TTS voices and styles

Professional Output

• HD Video: 1920x1080 resolution by default
• Quality Audio: Synchronized speech with proper timing
• Custom Timing: Configurable slide durations and padding

🔑 Getting API Keys

OpenAI (for DALL-E 3 & GPT)

1. Visit OpenAI Platform
2. Sign up and create an API key
3. Add billing method (pay-per-use)

ElevenLabs (for Premium TTS)

1. Visit ElevenLabs
2. Create account and get API key
3. Choose from 900+ voices

Pexels (for Stock Photos)

1. Visit Pexels API
2. Sign up for free API access
3. Get your API key

Unsplash (for Stock Photos)

1. Visit Unsplash Developers
2. Create application
3. Get your access key

📦 Installation Options

# Core package only
pip install slide-stream

# With specific AI providers
pip install slide-stream[openai]
pip install slide-stream[elevenlabs]
pip install slide-stream[gemini]
pip install slide-stream[claude]
pip install slide-stream[groq]

# All AI providers
pip install slide-stream[all-ai]

# Development dependencies
pip install slide-stream[dev]

📋 Requirements

• Python: 3.10 or higher
• FFmpeg: For video processing
• Internet: For AI services and stock photos (offline mode available)

Installing FFmpeg

# macOS
brew install ffmpeg

# Ubuntu/Debian
sudo apt update && sudo apt install ffmpeg

# Windows
# Download from https://ffmpeg.org/download.html

🔧 Configuration Reference

Provider Options

Image Providers:

• text: Always available, no setup required
• dalle3: Requires OPENAI_API_KEY
• pexels: Requires PEXELS_API_KEY
• unsplash: Requires UNSPLASH_ACCESS_KEY

TTS Providers:

• gtts: Free, always available
• elevenlabs: Requires ELEVENLABS_API_KEY
• openai: Requires OPENAI_API_KEY

LLM Providers:

• none: No content enhancement
• openai: Requires OPENAI_API_KEY
• gemini: Requires GEMINI_API_KEY
• claude: Requires ANTHROPIC_API_KEY
• groq: Requires GROQ_API_KEY
• ollama: Requires local Ollama installation

Voice Options

ElevenLabs Voices:

• rachel: Professional female voice
• adam: Clear male voice
• aria: Expressive female voice
• (See ElevenLabs docs for full list)

OpenAI Voices:

• alloy: Balanced and natural
• echo: Clear and articulate
• fable: Warm and engaging
• nova: Bright and energetic
• onyx: Deep and authoritative
• shimmer: Gentle and soothing

🤝 Contributing

We welcome contributions! See our documentation:

• User Guide - Comprehensive usage examples
• Development Workflow - Setup and testing
• Type Safety - Code quality standards

🆕 Version History

• 2.0.0: Configuration system, provider architecture, AI image generation
• 1.1.x: PowerPoint support, bug fixes, stability improvements
• 1.0.0: Initial release with Markdown support

📄 License

MIT License - see LICENSE file for details.

🙏 Acknowledgments

Built with these excellent tools:

• Typer - Modern CLI framework
• Rich - Beautiful terminal output
• MoviePy - Video processing
• OpenAI - AI image generation and LLM
• ElevenLabs - Premium text-to-speech
• PyYAML - Configuration parsing

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Ready to create professional presentations? Get started with pip install slide-stream[all-ai] 🚀