Unlock Endless Possibilities with Wan2.1-VACE Video Outpainting Pipeline
Unlock AI-powered video outpainting with Alibaba's Wan2.1-VACE technology. Expand aspect ratios, generate dynamic content & more. Learn how to customize and optimize your workflow.
- Models
- Wan2.1
- VRAM
- High VRAM (24GB+)
- Reading Time
- 2 min
Workflow Overview
Unlock AI-powered video outpainting with Alibaba's Wan2.1-VACE technology. Expand aspect ratios, generate dynamic content & more. Learn how to customize and optimize your workflow.
Content type: Workflow
Primary intent: Download
Required Models
- Wan2.1
Setup Notes
- Install the required models before opening the workflow template.
- Recommended hardware: High VRAM (24GB+).
1. Workflow Purpose
This pipeline specializes in video outpainting using Alibaba's Wan2.1-VACE technology, enabling:
Aspect ratio conversion (e.g. 16:9→21:9)
Dynamic content generation (explosions/effects)
Multi-resolution support (480p to 4K)
2. Technical Highlights
Key Nodes:
WanVideoVACEEncode: Video feature encoder with mask supportImageResizeKJ: Lanczos resizing with 16px alignmentWanVideoExperimentalArgs: Controls UNet block swaps
Performance:
BF16 precision for VRAM optimization
29-frame batch processing
3. Node Connections
Core Data Flow:LoadVideo → MaskGeneration → VACE Encoding → Sampling → VideoCombine
4. Customization Guide
To modify output:
Change prompt in
String LiteralnodeAdjust padding in
ImagePadKJ(default 128px)Set target resolution in
GetImageSize+
5. Hardware Recommendations
Minimum: RTX 3090 (24GB VRAM)
Optimal: RTX 4090 +
--xformersStorage: SSD recommended for video caching
6. Expected Output
Sample Result:
16fps MP4 video with expanded content
Preserved original motion dynamics
Generated elements blend seamlessly