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H3 Max Extend Video

集成

模型 id minimax/h3-max/extend-video
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/minimax/h3-max/extend-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

与示例类似的文件: $0.40 400 API 积分 · ≈ ₽42.93 运行前会测量你的文件 在此页面运行

获取 API 密钥

在 Doitong 上制作

Doitong 社区使用 Hailuo 03 New Turbo 制作的公开作品。一键复用提示词。

显示的公开作品数:16
Close-up shot of a striking model with piercing eyes and flawless skin, a white snake elegantly c... 视频

Close-up shot of a striking model with piercing eyes and flawless skin, a white snake elegantly coiled around her head and neck, its scales glistening in soft, diffused light. The camera gently zooms in, emphasizing the intricate texture of the snake’s scales and the model’s striking facial...

Animate the stickman drawings into a smooth dance animation. The simple black stick figure perfor... 视频

Animate the stickman drawings into a smooth dance animation. The simple black stick figure performs fun rhythmic dance moves — waving its arms, bending knees, jumping lightly, spinning, and swaying side to side in time with upbeat music. Keep the white background clean and minimal. The motion...

A hyper-realistic, cinematic transformation sequence of the man in the uploaded image, sitting in... 视频

A hyper-realistic, cinematic transformation sequence of the man in the uploaded image, sitting in meditation inside a traditional Japanese room. The atmosphere begins to tremble slightly as soft blue light flows around him. From the ground, thousands of magnetic nano-particles rise, shimmering...

A cinematic transformation video of the man. The scene begins with him standing naturally, then l... 视频

A cinematic transformation video of the man. The scene begins with him standing naturally, then looking down at his hands as glowing holographic projections appear around his body. Mechanical parts of the Iron Man armor start assembling piece by piece with smooth animation: chest plate forming,...

An ultra-epic anime cinematic of Luffy’s greatest enemy unleashing a terrifying blind rage, rampa... 视频

An ultra-epic anime cinematic of Luffy’s greatest enemy unleashing a terrifying blind rage, rampaging uncontrollably against nature itself. His gigantic body is surrounded by a storm of black and crimson energy, crackling with lightning that scorches the ground. His roar shakes the heavens,...

A fair-skinned red-haired woman with freckles tightly embraces a majestic white tiger with faint ... 视频

A fair-skinned red-haired woman with freckles tightly embraces a majestic white tiger with faint reddish stripes. They remain close, perfectly synchronized in stillness. The woman blinks slowly, slightly tilting her head with a serious and intense expression. The tiger breathes gently — its...

The snowboarder is riding across massive, fluffy white clouds as if they were snow-covered mounta... 视频

The snowboarder is riding across massive, fluffy white clouds as if they were snow-covered mountains, with dramatic lighting and deep shadows adding volume and realism. The background shows a stunning blue sky with scattered soft clouds and subtle light rays. crisp cinematic quality, vivid...

视频

Используй это изображение как точный референс. Вертикальное реалистичное видео 9:16, тёплая кинематографичная ночная сцена в спальне. Полностью сохранить лица Ани и Павла, их внешность, причёски, одежду, освещение, кровать, панорамные окна и ночной город. Камера статичная, средний крупный план....

构建请求

控件根据模型架构生成。修改控件时,代码和价格会同步更新。

•必填 88 / 50000

应接续发生的事件描述,而不是源素材的描述。

•必填 video_url
拖放文件,或

用于延长的视频源 URL;文件不得超过 50 MB。接受的视频宽高比为 0.4–2.5,时长为 1.625 s–60 s。

resolution 默认 768P

结果视频的分辨率。

aspect_ratio 默认 auto

输出比例:选择比例会进行裁剪以匹配该比例,而 'auto' 使用源视频的宽高比。

默认 5

请求新增素材的时长,以秒为单位,而不是续接片段的完整长度。该片段还会保留源视频最后 1.625 秒,帧取整可能会进一步增加时长。

高级 reference_audio_urls · output · seed · enable_prompt_expansion · enable_safety_checker
拖放文件,或 · 最多 3 个

可选片段,用于指导续接部分的新音频,以替代源音轨;请在提示词中指定其角色,例如 'Audio 1 for the voice' 和 'Audio 2 for background music'。每个片段必须持续 2–15 秒,所有片段总时长不得超过 15 秒。完整的延长视频会保留原始源音轨,其结尾仍会指导过渡。

output 默认 extended

输出模式:'continuation' 提供新素材,并在开头重复源视频结尾的 1.625 秒。若要在单个视频中接收与新素材拼接的源视频,请选择 'extended'。

续接生成种子;省略时使用随机值。

POST /run/minimax/h3-max/extend-video?wait=20 报价 → $0.40
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/minimax/h3-max/extend-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

运行此请求

你的密钥会保留在此浏览器中:仅发送到 Doitong API;只有勾选“记住”后才会保存到 localStorage。 获取 API 密钥

关于 H3 Max Extend Video

接收源视频(1.625 到 60 s,最大 50 MB)以及描述后续内容的 `prompt`。`duration` 将新增画面时长设置为 0.71 到 15 秒,`resolution` 范围为 480P 到 2K。最多可使用 3 个 `reference_audio_urls` 指导续接内容,`output` 在合并后的 'extended' 视频和 'continuation' 片段之间进行选择。

参数

发送规范名称或原生名称之一,不要同时发送两者。 规范名称

名称类型 默认值允许值 描述
video_url必填 video
类型url · video
用于延长的视频源 URL;文件不得超过 50 MB。接受的视频宽高比为 0.4–2.5,时长为 1.625 s–60 s。
prompt必填
类型string
≤ 50,000 个字符
应接续发生的事件描述,而不是源素材的描述。
reference_audio_urls可选
类型url[] · audio
≤ 3 个项目
可选片段,用于指导续接部分的新音频,以替代源音轨;请在提示词中指定其角色,例如 'Audio 1 for the voice' 和 'Audio 2 for background music'。每个片段必须持续 2–15 秒,所有片段总时长不得超过 15 秒。完整的延长视频会保留原始源音轨,其结尾仍会指导过渡。
enable_prompt_expansion可选
类型boolean
默认值true
由源素材指导的提示词增强,可获得更一致的续接效果。启用后系统会自动修改提示词,但处理时间可能更长。
duration可选
类型number
默认值5
0.71 – 15
请求新增素材的时长,以秒为单位,而不是续接片段的完整长度。该片段还会保留源视频最后 1.625 秒,帧取整可能会进一步增加时长。
resolution可选
类型enum
默认值768P
480P768P1080P2K
结果视频的分辨率。
aspect_ratio可选
类型enum
默认值auto
auto21:916:94:31:13:49:16
输出比例:选择比例会进行裁剪以匹配该比例,而 'auto' 使用源视频的宽高比。
seed可选
类型integer | null
续接生成种子;省略时使用随机值。
output可选
类型enum
默认值extended
extendedcontinuation
输出模式:'continuation' 提供新素材,并在开头重复源视频结尾的 1.625 秒。若要在单个视频中接收与新素材拼接的源视频,请选择 'extended'。
enable_safety_checker可选
类型boolean
默认值true
对输入视频和提示词进行审核。
必填 规范名称,也可接受

文件参数接受公开的 https:// URL、最大 10 MB 的 data: URI,或上传文件的 file_url。 文件

输出

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "minimax/h3-max/extend-video",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 400,
    "usd": "0.40",
    "charged": 400,
    "refunded": 0
  },
  "input": {
    "video_url": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    },
    "seed": 42,
    "duration": 5,
    "source": {},
    "expanded_prompt": "string",
    "timings": {}
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
文件由你选择每个 outputs[].url 都是我们存储中的副本:可永久保存(按 GB-月付费),也可免费保存 7 天,由账户设置或 ?storage= 决定。
所有模型的结构一致图像、视频和音频的字段均为 type、url、content_type、width、height 和 duration。output 是模型自身的结果对象。
输出字段
video
object {url, content_type, file_name, file_size}生成的视频;使用 'continuation' 模式时,开头会重复 1.625 秒。
seed
integer生成续接内容时使用的种子。
duration
number返回视频的时长,以秒为单位。
source
object源素材元数据,包括尺寸(宽度和高度)、帧率、时长和音频。
expanded_prompt
string | null扩展后的提示词文本;如果未进行更改则为 null。
timings
object

更多模型:视频生成视频

对于 AI 代理:此页面的 Markdown 版本位于 https://doitong.com/zh-CN/developers/models/minimax/h3-max/extend-video.md. 所有模型和指南: https://doitong.com/developers/llms.txt