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通过inference.sh CLI使用ByteDance Seedance 2.0生成视频。这是一款统一模型,支持文本转视频(text-to-video)、图片转视频(image-to-video)、参考素材转视频(reference-to-video),并同步生成音频,分辨率最高可达1080p,时长4-15秒。提供Pro和Fast两种变体,Studio变体配备私有资产库,可保证人像一致性。适用场景:社交媒体视频、音乐视频、产品演示、动画内容、带声音的AI视频。相关关键词:seedance、seedance 2、bytedance video、seedance t2v、seedance i2v、seedance r2v、video with audio、seedance 2.0、bytedance seedance、seedance studio
npx skill4agent add qu-skills/skills seedance安装belt CLI技能:npx skills add belt-sh/cli
需要inference.sh CLI()。安装说明belt
belt login
belt app run bytedance/seedance-2-0 --input '{
"prompt": "a jazz band performing in a dimly lit club",
"generate_audio": true
}'| 模型 | 应用ID | 适用场景 |
|---|---|---|
| Seedance 2.0 | | 最佳画质,最高1080p |
| Seedance 2.0 Fast | | 生成速度更快,最高720p |
| Seedance 2.0 Studio | | 兼顾画质与私有资产库,保证人像一致性 |
| Seedance 2.0 Studio Fast | | 生成速度快且配备私有资产库,保证人像一致性 |
| 模式 | 输入参数 | 描述 |
|---|---|---|
| 文本转视频 | 仅 | 根据文本描述生成视频 |
| 图片转视频 | | 将静态图片动化为视频(作为首帧) |
| 首帧+末帧 | | 控制视频的起始和结束帧 |
| 多模态参考 | | 借助参考素材引导视频生成 |
belt app run bytedance/seedance-2-0 --input '{
"prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
"generate_audio": true,
"duration": 10,
"ratio": "16:9"
}'belt app run bytedance/seedance-2-0-fast --input '{
"prompt": "a butterfly landing on a flower in slow motion",
"generate_audio": true
}'belt app run bytedance/seedance-2-0 --input '{
"image": "https://your-image.jpg",
"prompt": "gentle camera movement, leaves rustling in the wind",
"generate_audio": true
}'belt app run bytedance/seedance-2-0 --input '{
"image": "https://start-frame.jpg",
"end_image": "https://end-frame.jpg",
"prompt": "smooth transition between scenes",
"generate_audio": true
}'belt app run bytedance/seedance-2-0 --input '{
"prompt": "The girl from Image 1 wearing the outfit from Image 2 walks through the cafe from Image 3",
"reference_images": [
"https://character-portrait.jpg",
"https://outfit-reference.jpg",
"https://cafe-scene.jpg"
],
"generate_audio": true,
"duration": 8
}'belt app run bytedance/seedance-2-0 --input '{
"prompt": "Replace the perfume in Video 1 with the face cream from Image 1, preserving all original motions and camera work",
"reference_images": ["https://face-cream.jpg"],
"reference_videos": ["https://original-video.mp4"],
"generate_audio": true
}'belt app run bytedance/seedance-2-0 --input '{
"prompt": "Video 1 transitions smoothly into Video 2, then the camera enters the painting from Video 3",
"reference_videos": [
"https://clip1.mp4",
"https://clip2.mp4",
"https://clip3.mp4"
],
"generate_audio": true,
"duration": 8
}'belt app run bytedance/seedance-2-0 --input '{
"prompt": "The musician from Image 1 performs the song from Audio 1, voice style referenced from Audio 1",
"reference_images": ["https://musician.jpg"],
"reference_audios": ["https://music.mp3"],
"generate_audio": true
}'belt app run bytedance/seedance-2-0-studio --input '{
"prompt": "The person in Image 1 smiles at the camera, golden hour lighting, cinematic",
"reference_images": ["https://portrait.jpg"],
"safety_identifier": "user-abc123",
"generate_audio": true
}'belt app run bytedance/seedance-2-0 --input '{
"prompt": "First-person POV product ad. Opening frame is Image 1, hand picks up the product. Camera pushes into close-up showing details. Use the camera movement style from Video 1. Background music from Audio 1.",
"reference_images": ["https://product-hero.jpg", "https://product-detail.jpg"],
"reference_videos": ["https://camera-style.mp4"],
"reference_audios": ["https://bgm.mp3"],
"generate_audio": true,
"ratio": "9:16",
"duration": 11
}'Image 1Image 2Video 1Audio 1| 参数 | 类型 | 默认值 | 描述 |
|---|---|---|---|
| string | 必填 | 视频的文本描述 |
| boolean | true | 生成同步音频 |
| integer | 5 | 视频时长(单位:秒,4-15),设为-1则自动适配 |
| enum | adaptive | 宽高比:21:9、16:9、4:3、1:1、3:4、9:16或自适应 |
| enum | 720p | 分辨率:480p、720p、1080p(Fast版本仅支持480p、720p) |
| integer | -1 | 随机种子(用于复现结果,设为-1则随机) |
| boolean | false | 为输出视频添加水印 |
| string | - | 用于安全策略的唯一终端用户标识(最多64字符,推荐使用用户ID的哈希值) |
| file | - | 首帧图片(与参考素材输入互斥) |
| file | - | 末帧图片(需搭配 |
| file[] | - | 参考图片,最多9张(与image/end_image输入互斥) |
| file[] | - | 参考视频,最多3个。单个视频最长15秒,总时长不超过15秒。格式为mp4/mov |
| file[] | - | 参考音频,最多3个。单个音频最长15秒,总时长不超过15秒。格式为wav/mp3。需至少搭配一张图片或一个视频使用 |
| 模型 | 定价 |
|---|---|
| Seedance 2.0 | $4.30-$7.70/百万token(根据分辨率和输入类型有所不同) |
| Seedance 2.0 Fast | $3.30-$5.60/百万token |
(宽度 × 高度 × 帧率 × 时长) / 1024belt app store search "seedance"# 全平台技能(包含250+应用)
npx skills add inference-sh/skills@infsh-cli
# 所有视频生成模型
npx skills add inference-sh/skills@ai-video-generation
# Google Veo
npx skills add inference-sh/skills@google-veo
# 图片生成(用于图片转视频)
npx skills add inference-sh/skills@ai-image-generation
# AI虚拟形象与唇形同步
npx skills add inference-sh/skills@ai-avatar-videobelt app store --category video