20. 📽️ Text-to-Video Trailer
Overview
Generate a short “trailer” video from a text synopsis—perfect for book promos, game teasers, or course intros—by stitching together relevant generated or stock clips, text overlays, and background music.
Primary Use Cases
- Authors & publishers promoting upcoming books
- Game developers teasing new features
- Educators creating course preview videos
Key Features
- Text input: synopsis + desired length (e.g. 30 s, 60 s)
- Scene planning: LLM-generated storyboard with shot descriptions
- Clip generation: AI-driven video (Stable Video Diffusion) or stock clip retrieval
- Assembly: FFmpeg pipeline for concatenation, transitions, and captions
- Music & voiceover: background track selection + TTS narration
Tech Stack
- Frontend: React + TypeScript + Tailwind (synopsis form & preview)
- Backend: FastAPI (Python) + Go service for FFmpeg orchestration
- AI Models/Tools:
- Storyboard:
gpt-3.5-turbo
to output structured scene list
- Video Gen:
runwayml/stable-video-diffusion
or external API
- TTS:
tts_models/en/ljspeech/vits
- FFmpeg for video assembly
Architecture
- Storyboard Service: generate JSON list of scenes with text prompts.
- Clip Service: for each scene → generate video clip or fetch stock asset.