CreateGrokVideoEditRequest
grok-imagine-video-edit 视频编辑任务。编辑输出会跟随源视频时长、画幅和分辨率。JSON 请求中源视频通过 video.url 提供，支持公网 MP4 URL 或 data:video/mp4;base64,...。源视频时长不超过 8.7 秒，大小不超过 25MB，格式为 H.264 MP4。{
"model": "grok-imagine-video-edit",
"prompt": "change the cube color to bright red",
"video": {
"url": "data:video/mp4;base64,...",
"property1": "string",
"property2": "string"
},
"property1": "string",
"property2": "string"
}