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@andy-toolforge/footage-generation

v1.4.0

Published

Toolforge domain: generate images, videos, and visuals for podcasts and content

Readme

@andy-toolforge/footage-generation

npm License

Image and video generation toolkit for podcasts and content creation. Thuộc hệ sinh thái toolforge.

Package này giúp bạn:

  • Phân tích script podcast → chia thành visual segments với image prompts
  • Sinh prompt cho image generation (5 visual styles)
  • Overlay text lên ảnh (dùng sharp)
  • Map nhạc nền + sound design cho từng segment
  • Gợi ý cover art cho series/episode/thumbnail

Installation

npm install @andy-toolforge/footage-generation

Yêu cầu: sharp (xử lý ảnh) và @andy-toolforge/core (tự động cài kèm).

API Reference

const {
    ImageGenerator,    // Sinh ảnh/video từ prompts
    TextOverlayer,     // Overlay text lên ảnh
    PromptWriter,      // Quản lý prompt templates
    LLMClient,         // LLMClient mở rộng với domain methods (analyzeScript, generateCoverPrompts)
    Imagen4Generator,  // Google Imagen 4 image generation (3 model tiers, quota tracking)
    MODEL_TIERS,       // { FAST, GENERATE, ULTRA } — model tier identifiers
} = require('@andy-toolforge/footage-generation');

LLMClient

Extends @andy-toolforge/core's LLMClient với các method domain-specific. Tự động load skill files từ .opencode/skills/.

Method: analyzeScript()

Phân tích podcast script, trả về mảng visual segments.

| Param | Type | Default | Mô tả | |-------|------|---------|-------| | script | string | required | Full script text | | title | string | required | Episode title | | outline | string | '' | Optional outline | | density | number | 2 | Images per segment (1-5) | | lang | string | 'vi' | Language code (vi/en) |

Return: Array<Segment>

[
  {
    id: 1,
    title: 'Giới thiệu',
    summary: 'Mở đầu về chủ đề...',
    visualType: 'Surrealist', // Surrealist | Lineart | Comparison | Typography | Infographic
    startTime: '00:00',
    endTime: '02:30',
    prompts: {
      a: 'A surreal landscape...',
      b: 'Close-up of...',
      c: 'Abstract visualization...',
      d: 'Split screen comparison...',
      e: 'Infographic showing...'
    },
    editSuggestions: {
      zoom: 'Slow zoom in',
      context: 'Cut to speaker',
      mood: 'Mysterious'
    }
  }
]

Ví dụ:

const { LLMClient } = require('@andy-toolforge/footage-generation');

const llm = new LLMClient({ provider: 'gemini', apiKey: process.env.GEMINI_API_KEY });
const segments = await llm.analyzeScript(
    'Xin chào các bạn, hôm nay chúng ta sẽ nói về...',
    'Tập 1: Khởi đầu',
    '1. Giới thiệu\n2. Nội dung chính\n3. Kết luận',
    3,  // 3 images per segment
    'vi'
);

// segments[0].prompts.a → prompt cho image đầu tiên

Method: generateCoverPrompts()

Sinh cover art prompts cho series + chapters.

| Param | Type | Default | Mô tả | |-------|------|---------|-------| | title | string | required | Episode/series title | | outline | string | '' | Chapter outline | | lang | string | 'vi' | Language code |

Return:

{
  seriesCover: { prompt: '...', style: '...' },
  chapterCovers: [
    { chapter: 1, title: 'Chương 1', prompt: '...', style: '...' },
    // ...
  ]
}

ImageGenerator

Spawn image/video generation từ prompts.

Constructor: new ImageGenerator({ outputDir })

| Param | Type | Default | Mô tả | |-------|------|---------|-------| | outputDir | string | required | Thư mục output |

Method: generate()

| Param | Type | Mô tả | |-------|------|-------| | prompt | string | Image generation prompt | | count | number | Số lượng ảnh (default: 1) |

const { ImageGenerator } = require('@andy-toolforge/footage-generation');
const gen = new ImageGenerator({ outputDir: './output' });
await gen.generate({ prompt: 'A serene mountain landscape at sunset', count: 3 });

TextOverlayer

Overlay text lên ảnh (via sharp).

Method: overlay()

| Param | Type | Mô tả | |-------|------|-------| | imagePath | string | Path ảnh gốc | | text | string | Text cần overlay | | outputPath | string | Path ảnh output |

const { TextOverlayer } = require('@andy-toolforge/footage-generation');
const overlay = new TextOverlayer();
await overlay.overlay('input.jpg', 'Hello World', 'output.jpg');

PromptWriter

Quản lý prompt templates. Load template từ thư mục templates/ và substitute variables.

const { PromptWriter } = require('@andy-toolforge/footage-generation');
const writer = new PromptWriter();
const prompt = writer.buildPrompt('podcast-intro', { title: 'Tập 1', guest: 'John' });

Imagen4Generator

Google Imagen 4 image generation với 3 model tiers, tự động routing visual style và quota tracking (25 requests/day per tier).

Yêu cầu: GOOGLE_API_KEY hoặc GEMINI_API_KEY environment variable.

Constructor: new Imagen4Generator(options)

| Param | Type | Default | Mô tả | |-------|------|---------|-------| | apiKey | string | GOOGLE_API_KEY | Google AI API key | | aspectRatio | string | '16:9' | Aspect ratio (16:9, 9:16, 1:1, 3:4, 4:3) | | language | string | 'vi' | Language code | | onProgress | function | null | Progress callback ({current, total, name, status, file, error}) | | signal | AbortSignal | null | AbortController signal |

Visual Type → Model Tier routing:

| Visual Type | Model Tier | Use case | |-------------|-----------|----------| | Typography, Infographic | Fast (imagen-4.0-fast-generate-001) | Text-heavy, simple graphics | | Lineart, Comparison | Generate (imagen-4.0-generate-001) | Moderate illustrations | | Surrealist, Portrait, Scene | Ultra (imagen-4.0-ultra-generate-001) | Complex creative, photorealistic |

const { Imagen4Generator, MODEL_TIERS } = require('@andy-toolforge/footage-generation');

// Generate single image
const gen = new Imagen4Generator();
const result = await gen.generateImage('A serene mountain landscape at sunset', 'Surrealist');
fs.writeFileSync('output.png', result.imageBytes);
// → result: { imageBytes: Buffer, model: 'imagen-4.0-ultra-generate-001', raiReason: null }

// Batch generate from segments
const batchResult = await gen.generateBatch([
    { name: 'intro', prompt: 'Mountain landscape', visualType: 'Surrealist' },
    { name: 'chart', prompt: 'Bar chart showing growth', visualType: 'Infographic' },
], './output');
// → batchResult: { successCount, totalCount, skippedCount, results }

// Check quota
console.log(gen.getQuota());
// → { 'imagen-4.0-fast-generate-001': { used: 2, limit: 25, remaining: 23 }, ... }

MODEL_TIERS:

MODEL_TIERS.FAST     // 'imagen-4.0-fast-generate-001'
MODEL_TIERS.GENERATE // 'imagen-4.0-generate-001'
MODEL_TIERS.ULTRA    // 'imagen-4.0-ultra-generate-001'

Tutorial: Sản xuất Podcast Episode (A→Z)

const { LLMClient } = require('@andy-toolforge/footage-generation');

async function producePodcast(script, title, outline) {
    const llm = new LLMClient({ provider: 'gemini', apiKey: process.env.GEMINI_API_KEY });

    // Bước 1: Phân tích script → segments
    console.log('🔍 Analyzing script...');
    const segments = await llm.analyzeScript(script, title, outline, 2, 'vi');
    console.log(`→ ${segments.length} segments detected`);

    // Bước 2: Sinh cover art
    console.log('🎨 Generating cover art...');
    const covers = await llm.generateCoverPrompts(title, outline, 'vi');
    console.log(`→ Series cover + ${covers.chapterCovers.length} chapter covers`);

    return { segments, covers };
}

// Dùng với MCP server
const { createServer } = require('@andy-toolforge/mcp');
const server = createServer({ provider: 'gemini', apiKey });
// Tools: analyze_script, generate_prompts, generate_mapping, suggest_cover
// được auto-discover từ package này

MCP Tools

Khi dùng với @andy-toolforge/mcp, package này cung cấp:

| Tool | Description | |------|-------------| | analyze_script | Analyze podcast script → visual segments + prompts | | generate_prompts | Generate 5 image prompts per segment (Surrealist, Lineart, Comparison, Typography, Infographic) | | generate_mapping | Map background music + sound design per segment | | suggest_cover | Suggest cover art (series/episode/thumbnail) + generation prompt |

Các tools được auto-discover khi MCP server start — không cần config thêm.

Integration với các packages khác

Related