角色替换 – 视频生成
namifusion/character-swap/generate
用 Wan2.2-Animate 将视频中选定人物替换为参考图人物,保留原始音轨。
参数
| 名称 | 类型 | 默认 | 约束 | 说明 |
|---|---|---|---|---|
| track_manifest_url *Track manifest URL | text | — | — | analyze 模型返回的 track_manifest_url |
| mappings *人物映射 | array<object> | — | — | {obj_id, img_urls} 数组。obj_id 来自 analyze 输出;每个人物 1-3 张参考图 URL。 |
| ↳obj_id *人物 obj_id | number | — | — | |
| ↳img_urls *参考图 | image_upload_group | — | 1–3 items | |
| resolution分辨率 | select | 720p | 480p | 720p | |
| seed随机种子 | number | — | — |
输出字段
| 字段 | 类型 | 说明 |
|---|---|---|
| videos | array | Result video URL(s), original audio track preserved |
API
通过统一 REST API 调用本模型;在 API Keys 页获取密钥。
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/namifusion/character-swap/generate" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"track_manifest_url": "value",
"mappings": [
{
"obj_id": 1,
"img_urls": [
"https://example.com/input.jpg"
]
}
],
"resolution": "720p"
}
}'
# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
-H "Authorization: Bearer YOUR_API_KEY"Python
import time, requests
API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}
# 1) Submit
resp = requests.post(
"https://www.namifusion.com/api/v1/marketplace/run/namifusion/character-swap/generate",
headers=HEADERS,
json={
"input": {
"track_manifest_url": "value",
"mappings": [
{
"obj_id": 1,
"img_urls": [
"https://example.com/input.jpg"
]
}
],
"resolution": "720p"
}
},
)
resp.raise_for_status() # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()
# 2) Poll until a terminal state (completed / failed / cancelled).
# This model is allowed up to 7200s server-side.
deadline = time.time() + 7260
while task.get("status") not in ("completed", "failed", "cancelled"):
if time.time() > deadline:
raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
time.sleep(3)
poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
poll.raise_for_status()
task = poll.json()
print(task["status"], task.get("output"))JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };
// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/namifusion/character-swap/generate", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"track_manifest_url": "value",
"mappings": [
{
"obj_id": 1,
"img_urls": [
"https://example.com/input.jpg"
]
}
],
"resolution": "720p"
}
}),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();
// 2) Poll until a terminal state (completed / failed / cancelled).
// This model is allowed up to 7200s server-side.
const deadline = Date.now() + 7260 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
await new Promise((r) => setTimeout(r, 3000));
const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
task = await poll.json();
}
console.log(task.status, task.output);文档
角色替换 – 视频生成
角色替换流水线的第 2 步。用 Wan2.2-Animate 将视频中选定人物替换为参考图人物,保留原始音轨。
输入
| 字段 | 类型 | 必填 | 说明 |
|---|---|---|---|
| video_url | string(视频 URL) | 是 | 与 analyze 步骤同一视频,最长 30 秒 |
| track_manifest_url | string | 是 | 由 namifusion/character-swap/analyze 返回 |
| mappings | {obj_id, img_urls} 数组 | 是 | obj_id 来自 analyze 输出;每个人物 1-3 张参考图 URL |
| resolution | "480p" | "720p" | 否 | 默认 720p;需与 analyze 步骤一致 |
| seed | number | 否 | 随机种子 |
输出
videos[0]:成品视频 URL(保留原始音轨)
典型流程
- 对视频调用 namifusion/character-swap/analyze
- 从 analyze 输出中挑选要替换的 obj_id
- 携带
track_manifest_url+mappings调用 POST /run/namifusion/character-swap/generate - 轮询 GET /run/tasks/{task_uuid} 直到完成
定价:720p 每 5 秒 75 积分;480p 每 5 秒 40 积分;视频最长 30 秒。
相关模型
Character SwapNamiFusion
换头 – 视频生成
用 Wan2.2-Animate 将视频中选定头部替换为参考图人物头部,保留原始音轨。
起 $0.750 / 每次
Character SwapNamiFusion
换头 – 视频分析
用 SAM3 检测并跟踪视频中的头部,返回头部清单(含预览图)和供 generate 使用的 track manifest。
起 $0.050 / 每次
Character Swap
Character SwapNamiFusion
角色替换 – 视频分析
用 SAM3 检测并跟踪视频中的所有人物,返回人物清单(含预览图)和供 generate 使用的 track manifest。
起 $0.050 / 每次