Generate a video from a text description and save it to a named file. You can also supply an image through a URL or local path to set the video's opening frame.
使用 video_generate.py 脚本生成视频，需要提供文件名和 prompt，可选提供首帧图片（URL或本地路径）。
Review the instructions the agent will receive before you install.
当需要根据文本描述生成视频时，使用该技能。支持通过首帧图片控制视频起始画面，首帧可以是 URL 或本地文件路径。
output.mp4）和清晰具体的 prompt。python scripts/video_generate.py <filename> "<prompt>" [first_frame]。运行之前cd到对应的目录。MODEL_VIDEO_API_KEY 或 ARK_API_KEY 环境变量。VOLCENGINE_ACCESS_KEY 与 VOLCENGINE_SECRET_KEY 获取 Ark API Key。纯文本生成：
python scripts/video_generate.py "cat.mp4" "一只可爱的猫"
带首帧图片生成（URL）：
python scripts/video_generate.py "dog_run.mp4" "一只小狗在草地上奔跑" "https://example.com/dog_start.png"
带首帧图片生成（本地文件）：
python scripts/video_generate.py "my_video.mp4" "图片中的人物动起来" "/path/to/local/image.jpg"
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