模型对比
| 模型 | 分辨率支持 | 文生视频 | 图生视频-首帧 | 图生视频-首尾帧 | 有声视频 |
|---|
doubao-seedance-1-0-pro-250528 | 480p/720p/1080p | ✅ | ✅ | ✅ | ❌ |
doubao-seedance-1-0-pro-fast-251015 | 480p/720p/1080p | ✅ | ✅ | ❌ | ❌ |
doubao-seedance-1-5-pro-251215 | 480p/720p/1080p | ✅ | ✅ | ✅ | ✅ |
文生视频
通过文本描述生成视频。
配置说明:
- 将
api.xxx.com 替换为您的实际 API 域名
- 将
sk-xxx 替换为您的 API 密钥(可在控制台获取)
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-0-pro-fast-251015",
"prompt": "多个镜头。一名侦探进入一间光线昏暗的房间。他检查桌上的线索,手里拿起桌上的某个物品。镜头转向他正在思索。",
"resolution": "480p",
"ratio": "16:9",
"duration": 10,
"fps": 24,
"watermark": true,
"seed": 11,
"camerafixed": false
}'
视频生成为异步任务,您需要使用返回的 task_id 来查询生成结果。
参数说明
基础参数(必填)
| 参数名 | 类型 | 说明 | 可选值 |
|---|
model | string | 模型名称 | doubao-seedance-1-0-pro-fast-251015 / doubao-seedance-1-0-pro-250528 / doubao-seedance-1-5-pro-251215 |
prompt | string | 文本提示词 | 中英文描述,建议≤500字 |
resolution | string | 视频分辨率 | 480p / 720p / 1080p 默认:1080p |
ratio | string | 视频宽高比 | 16:9 / 4:3 / 1:1 / 3:4 / 9:16 / 21:9 / adaptive |
duration | integer | 视频时长(秒) | 2~12秒 |
可选参数
| 参数名 | 类型 | 默认值 | 说明 | 适用场景 |
|---|
images | array | - | 图片URL数组 • 单张图片 = 首帧 • 两张图片 = 首尾帧 | 首尾帧支持:doubao-seedance-1-0-pro-250528、doubao-seedance-1-5-pro-251215 |
fps | integer | - | 视频帧率 | 24 |
seed | integer | -1 | 随机种子 • -1 表示随机 • 取值范围:[-1, 2³²-1] | 全部模型 |
watermark | boolean | false | 是否添加水印 | true / false |
camerafixed | boolean | false | 相机固定 固定镜头,减少运镜幅度 | true / false |
generate_audio | boolean | false | 是否生成音频 生成带声音的视频 | 仅 doubao-seedance-1-5-pro-251215 支持 |
draft | boolean | false | 样片生成模式 快速生成低分辨率预览 | 仅 doubao-seedance-1-5-pro-251215 支持 仅支持 480p |
draft_task_id | string | - | 样片任务ID 基于样片生成高质量成片 | 使用样片生成成片时必填 |
service_tier | string | - | 服务层级 • flex = 离线推理模式 | 全部模型 |
return_last_frame | boolean | false | 返回视频尾帧图像 (暂不支持) | true / false |
图生视频-首帧
基于首帧图片生成视频。
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-0-pro-fast-251015",
"prompt": "女孩抱着狐狸,女孩睁开眼,温柔地看向镜头",
"images": ["https://ark-project.tos-cn-beijing.volces.com/doc_image/i2v_foxrgirl.png"],
"resolution": "480p",
"ratio": "adaptive",
"duration": 10,
"fps": 24,
"watermark": true,
"seed": 11,
"camerafixed": false
}'
图生视频-首尾帧
基于首尾两帧图片生成视频(仅 doubao-seedance-1-0-pro-250528 支持)。
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-0-pro-250528",
"prompt": "360度环绕运镜",
"images": [
"https://ark-project.tos-cn-beijing.volces.com/doc_image/seepro_first_frame.jpeg",
"https://ark-project.tos-cn-beijing.volces.com/doc_image/seepro_last_frame.jpeg"
],
"resolution": "480p",
"ratio": "adaptive",
"duration": 10,
"fps": 24,
"watermark": true,
"seed": 11,
"camerafixed": false
}'
查询视频任务
使用任务ID查询视频生成结果。
curl https://api.xxx.com/v1/video/generations/{task_id} \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx"
任务状态说明
| 状态 | 说明 |
|---|
PENDING | 任务排队中 |
PROCESSING | 任务处理中 |
SUCCESS | 任务成功完成 |
FAILED | 任务失败 |
有声视频生成
使用 doubao-seedance-1-5-pro-251215 模型生成带音频的视频。
有声视频-图生视频
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "女孩抱着狐狸,女孩睁开眼,温柔地看向镜头,狐狸友善地抱着,镜头缓缓拉出,女孩的头发被风吹动,可以听到风声",
"images": ["https://ark-project.tos-cn-beijing.volces.com/doc_image/i2v_foxrgirl.png"],
"resolution": "480p",
"ratio": "adaptive",
"duration": 5,
"fps": 24,
"watermark": false,
"generate_audio": true
}'
有声视频-首尾帧
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "图中女孩对着镜头说茄子,360度环绕运镜",
"images": [
"https://ark-project.tos-cn-beijing.volces.com/doc_image/seepro_first_frame.jpeg",
"https://ark-project.tos-cn-beijing.volces.com/doc_image/seepro_last_frame.jpeg"
],
"resolution": "480p",
"ratio": "adaptive",
"duration": 5,
"fps": 24,
"watermark": false,
"generate_audio": true
}'
有声视频-文生视频
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "无人机以极快速度穿越复杂障碍或自然奇观,带来沉浸式飞行体验",
"resolution": "480p",
"ratio": "16:9",
"duration": 5,
"fps": 24,
"watermark": true,
"camerafixed": false,
"generate_audio": true
}'
使用 generate_audio: true 参数可生成带环境音效的视频,模型会根据提示词和画面内容自动生成匹配的音频轨道。
样片生成 (Draft Mode)
使用样片模式快速预览视频效果,确认后再生成高清成片。
生成样片
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "延时摄影,因固定镜头,薄雾升腾汇聚成云海,云海沿山势流动,阳光照射使云海泛金光,云层边缘逐渐清晰",
"resolution": "480p",
"ratio": "16:9",
"duration": 5,
"fps": 24,
"watermark": false,
"camerafixed": false,
"draft": true,
"generate_audio": true
}'
- 样片模式仅支持
480p 分辨率
- 生成速度更快,成本更低
- 适合内容预览和效果确认
基于样片生成成片
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "延时摄影,因固定镜头,薄雾升腾汇聚成云海,云海沿山势流动,阳光照射使云海泛金光,云层边缘逐渐清晰",
"resolution": "720p",
"ratio": "16:9",
"duration": 5,
"draft_task_id": "cgt-20260121161956-vbk57"
}'
- 使用样片任务ID生成高清成片
- 支持
720p / 1080p 分辨率
- 继承样片的内容和风格,提高生成成功率
离线推理 (Flex Tier)
适合批量处理场景的异步推理模式。
curl -X POST https://api.xxx.com/v1/video/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "doubao-seedance-1-5-pro-251215",
"prompt": "延时摄影,因固定镜头,薄雾升腾汇聚成云海,云海沿山势流动,阳光照射使云海泛金光,云层边缘逐渐清晰",
"resolution": "720p",
"ratio": "16:9",
"duration": 5,
"fps": 24,
"watermark": false,
"camerafixed": false,
"service_tier": "flex",
"generate_audio": true
}'
- 任务ID格式为
cgt-batch-*
- 成本更低,适合大批量生成
- 处理时间可能较长,需要等待几分钟到几小时,不等适合非紧急任务
视频生成任务的执行时间取决于队列长度和视频时长,通常需要几分钟时间。