Veo 3.1 Reskin Pipeline (client-side cut/merge + Cloudflare Function proxy)
1. Video gốc
2. Ảnh Background Reference
3. Ảnh Product Reference
4. Prompt
Generate a video using the source video together with two reference images. Use the Background Reference Image as inspiration for the environment, lighting, atmosphere, and color palette. Add subtle environmental motion such as floating dust particles or a gentle breeze while keeping the scene natural. Use the Product Reference Image to preserve the product's overall appearance, including its shape, colors, texture, and branding, so it remains visually consistent throughout the video. Preserve the original subject's pose, body movement, facial expression, hand interaction, framing, timing, and camera perspective as closely as possible. Maintain the same composition and camera motion from the source video. Remove all subtitles, text overlays, logos, watermarks, and audio. Blend the subject and product naturally into the new environment with realistic lighting and shadows. Output a clean vertical 9:16 video suitable for TikTok.
5. Negative prompt
low quality, blurry, deformed product, inconsistent product appearance, distorted logo, incorrect branding, warped hands, distorted face, extra fingers, duplicated objects, flickering, unstable lighting, frame jitter, unwanted text, subtitles, watermark, overlay, artifacts, unrealistic shadows, incorrect perspective, cropped subject
Độ dài mỗi đoạn cắt (giây, khớp giới hạn Veo: 4/6/8)
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