Kling 4.0 图生视频能力图解:首帧锁定与 12 秒竖版演示
以一条 12 秒的竖版短片演示 Kling 4.0 image-to-video 的核心用法:先给出一张首帧图锁定画面与主体,再在 prompt 中集中描述运动、运镜与声音,输出 1080p / 9:16 短视频。该线路的必填项只有首帧图 image_urls(minItems 1、maxItems 1)与 prompt;duration 默认 5 秒、范围 3–30 秒并按秒计费,resolution 默认 720p、1080p 渲染时间明显更长,aspect_ratio 留空则跟随源图。因此本作品把「首帧决定构图、prompt 决定运动」这一分工直观呈现,适合社交媒体竖版内容、分镜预演与广告素材的快速试拍。素材侧只生成一张首帧图,其余全部由模型在线生成,方便开发者对照 input 快照复现。
风格 Image-to-Video · 产品演示 · vertical-short
模型 Kling 4.0
参考输入

首帧图片
提示词
Vertical 9:16 shot starting from a single locked first frame: a ceramic coffee cup on a matte concrete ledge at dawn. The camera slowly dollies in and slightly tilts down while the steam curls upward in warm backlight; shallow depth of field keeps the cup sharp and the city skyline softly blurred. Subtle handheld micro-movement, gentle rack focus from rim to steam, calm ambient mood with soft room tone and a faint morning street hum. Steady pacing over twelve seconds, no cuts, natural light continuity.
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