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Requires inference.sh CLI (). Install instructionsbelt
belt login
belt app run falai/seedance-2-t2v --input '{
"prompt": "a jazz band performing in a dimly lit club",
"generate_audio": true
}'需要inference.sh CLI（）。安装说明belt
belt login
belt app run falai/seedance-2-t2v --input '{
"prompt": "a jazz band performing in a dimly lit club",
"generate_audio": true
}'| Model | App ID | Best For |
|---|---|---|
| Seedance 2 T2V | | Text-to-video with audio |
| Seedance 2 I2V | | Animate images with audio |
| Seedance 2 R2V | | Reference images/videos/audio to video |
| 模型 | App ID | 最佳适用场景 |
|---|---|---|
| Seedance 2 T2V | | 带音频的文本转视频 |
| Seedance 2 I2V | | 带音频的图像动画化 |
| Seedance 2 R2V | | 基于参考图像/视频/音频生成视频 |
belt app run falai/seedance-2-t2v --input '{
"prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
"generate_audio": true,
"duration": 10,
"aspect_ratio": "16:9"
}'belt app run falai/seedance-2-t2v --input '{
"prompt": "ocean waves crashing on rocks during a storm, dramatic cinematic shot",
"generate_audio": true,
"duration": 10,
"aspect_ratio": "16:9"
}'belt app run falai/seedance-2-t2v --input '{
"prompt": "a butterfly landing on a flower in slow motion",
"mode": "fast",
"generate_audio": true
}'belt app run falai/seedance-2-t2v --input '{
"prompt": "a butterfly landing on a flower in slow motion",
"mode": "fast",
"generate_audio": true
}'belt app run falai/seedance-2-i2v --input '{
"image": "https://your-image.jpg",
"prompt": "gentle camera movement, leaves rustling in the wind",
"generate_audio": true
}'belt app run falai/seedance-2-i2v --input '{
"image": "https://your-image.jpg",
"prompt": "gentle camera movement, leaves rustling in the wind",
"generate_audio": true
}'belt app run falai/seedance-2-i2v --input '{
"image": "https://start-frame.jpg",
"end_image": "https://end-frame.jpg",
"prompt": "smooth transition between scenes",
"generate_audio": true
}'belt app run falai/seedance-2-i2v --input '{
"image": "https://start-frame.jpg",
"end_image": "https://end-frame.jpg",
"prompt": "smooth transition between scenes",
"generate_audio": true
}'@Image1@Video1@Audio1belt app run falai/seedance-2-r2v --input '{
"prompt": "A person who looks like @Image1 is walking through a garden",
"images": ["https://portrait.jpg"],
"generate_audio": true
}'@Image1@Video1@Audio1belt app run falai/seedance-2-r2v --input '{
"prompt": "A person who looks like @Image1 is walking through a garden",
"images": ["https://portrait.jpg"],
"generate_audio": true
}'belt app run falai/seedance-2-r2v --input '{
"prompt": "@Image1 and @Image2 are having a conversation at a cafe",
"images": ["https://person1.jpg", "https://person2.jpg"],
"generate_audio": true
}'belt app run falai/seedance-2-r2v --input '{
"prompt": "@Image1 and @Image2 are having a conversation at a cafe",
"images": ["https://person1.jpg", "https://person2.jpg"],
"generate_audio": true
}'belt app run falai/seedance-2-r2v --input '{
"prompt": "A musician who looks like @Image1 is performing @Audio1",
"images": ["https://musician.jpg"],
"audios": ["https://music.mp3"],
"generate_audio": true
}'belt app run falai/seedance-2-r2v --input '{
"prompt": "A musician who looks like @Image1 is performing @Audio1",
"images": ["https://musician.jpg"],
"audios": ["https://music.mp3"],
"generate_audio": true
}'| Mode | 720p | 480p |
|---|---|---|
| Quality | ~$0.30/sec | ~$0.13/sec |
| Fast | ~$0.24/sec | ~$0.11/sec |
| 模式 | 720p | 480p |
|---|---|---|
| 质量模式 | ~$0.30/秒 | ~$0.13/秒 |
| 快速模式 | ~$0.24/秒 | ~$0.11/秒 |
| Parameter | Type | Default | Description |
|---|---|---|---|
| string | required | Text description of the video |
| boolean | false | Generate synchronized audio |
| enum | - | Duration in seconds (4–10) |
| enum | - | 16:9, 9:16, 1:1, 4:3, 3:4 |
| enum | - | 480p or 720p |
| enum | quality | quality or fast |
| integer | random | Reproducible generation |
| 参数 | 类型 | 默认值 | 说明 |
|---|---|---|---|
| string | 必填 | 视频的文本描述 |
| boolean | false | 生成同步音频 |
| enum | - | 视频时长（4–10秒） |
| enum | - | 宽高比：16:9、9:16、1:1、4:3、3:4 |
| enum | - | 分辨率：480p或720p |
| enum | quality | 模式：quality（质量模式）或fast（快速模式） |
| integer | 随机值 | 可复现生成结果 |
| Parameter | Type | Description |
|---|---|---|
| file | Starting frame image (required) |
| file | Optional ending frame |
| 参数 | 类型 | 说明 |
|---|---|---|
| file | 起始帧图像（必填） |
| file | 可选的结束帧 |
| Parameter | Type | Description |
|---|---|---|
| array | Reference images (@Image1, @Image2, ...) |
| array | Reference videos (@Video1, @Video2, ...) |
| array | Reference audio (@Audio1, @Audio2, ...) |
| 参数 | 类型 | 说明 |
|---|---|---|
| array | 参考图像（@Image1、@Image2等） |
| array | 参考视频（@Video1、@Video2等） |
| array | 参考音频（@Audio1、@Audio2等） |
belt app list --search "seedance"belt app list --search "seedance"undefinedundefined
Browse all video apps: `belt app list --category video`
浏览所有视频应用：`belt app list --category video`