April Fools video with black background AI Image Prompt
Replace the background of the first image with solid black. Add large white text '教你做一个愚人节视频' in the center. Keep original aspect ratio. Background fixed. For the first 5 seconds, no sound or movement. Then at 7 seconds, shout: '骗你的！愚人节已经过了！' Background remains unchanged while speaking.
Content: Procedural video editing prompt: initial frame background replaced with solid black and centered white text; no movement for first 5 seconds; at 7 seconds, trigger shouting action while background remains static. Structure: timeline + keyframe control. No visual style, color, or material details.
Pros: Precise time control, clear action trigger point
Cons: High demand on AI temporal accuracy; lack of scene description, too much freedom
Reference image: Image reference dependent (first image)
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