视频

图片生成视频

在保留主体、构图和风格的前提下让参考图动起来。

阅读约 1 分钟2 个章节

起始图片决定主体和构图。提示词应写清运动、节奏以及必须保持不变的内容；短动画更容易控制。

实操要点

按优先目标选择模型——速度、还原度、分辨率或控制能力——并保存每次结果的参数和版本。 wan2.7-video, kling-3.0-* and veo3.1-* — Image to video.

每次尝试只改一件事。好的输出应保留为参考图，它是下一轮迭代最可靠的起点。

将 finished 和 failed 视为终态。使用 polling 或 webhook，在服务器保存原始错误，并向用户展示安全的信息。

提示词与 API 示例

text

A matte-black espresso machine on a concrete counter with steam and morning light

text

Steam rises and drifts left, the light slowly warms, camera pushes in very
slightly. Everything else stays still.

text

A hyperrealistic macro photo of tiny, miniature surfers riding ocean waves
inside a rustic stone bathroom sink. A vintage brass faucet is running,
creating the perpetual surf. Surreal, whimsical, bright natural lighting.

The Nano Banana source frame used for the image-to-video example below.

Source: Google AI for Developers, used under CC BY 4.0; format and dimensions adapted.

text

A surreal, cinematic macro video. Tiny surfers ride perpetual, rolling waves
inside a stone bathroom sink. A running vintage brass faucet generates the
endless surf. The camera slowly pans across the whimsical, sunlit scene as the
miniature figures expertly carve the turquoise water.

Veo 3.1 turns the still sink scene into a controlled macro pan while preserving the miniature surfers and faucet.

Source: Google AI for Developers, used under CC BY 4.0; format and dimensions adapted.

text

Smooth continuous transition between the two framings, no cuts, natural
lighting change

text

The character turns from the window toward the camera and smiles. Room tone
and distant traffic. No cuts.

text

The character performs the motion from the reference video, keeping their own
clothing and appearance

About these samples. Ready-made examples are copied to our own storage only when their source permits reuse. The exact prompt appears above each result, and the original source and license are linked below the media.

json

{
  "model": "seedance-2.0",
  "input": {
    "prompt": "The camera drifts left as the sun clears the ridge",
    "imageWithRoles": [
      { "url": "https://example.com/dawn.jpg", "role": "first_frame" },
      { "url": "https://example.com/noon.jpg", "role": "last_frame" }
    ],
    "resolution": "1080p",
    "duration": 8,
    "generateAudio": false
  }
}

json

{
  "model": "pixverse-v6",
  "input": {
    "prompt": "Slow dissolve between the two framings",
    "firstFrameImage": "https://example.com/dawn.jpg",
    "lastFrameImage": "https://example.com/noon.jpg",
    "duration": 5,
    "resolution": "720p"
  }
}

json

{
  "model": "wan2.7-video",
  "input": {
    "imageUrls": [
      "https://example.com/dawn.jpg",
      "https://example.com/noon.jpg"
    ],
    "resolution": "1080p",
    "duration": 5
  }
}

json

{
  "model": "kling-3.0-motion-control",
  "input": {
    "prompt": "Studio backdrop, soft key light",
    "imageUrls": ["https://example.com/character.png"],
    "videoUrls": ["https://example.com/dance-reference.mp4"],
    "characterOrientation": "image",
    "resolution": "1080p"
  }
}

json

{
  "model": "midjourney-video",
  "input": {
    "prompt": "Gentle parallax drift toward the archway",
    "imageUrls": ["https://example.com/still.png"],
    "videoType": "vid_1.1_i2v_720",
    "motion": "high",
    "batchSize": 1
  }
}

json

{
  "model": "midjourney-video",
  "input": {
    "parentTaskId": "019ca881-9503-7270-a560-f00fc2b15785",
    "index": 0,
    "animateMode": "auto",
    "videoType": "vid_1.1_i2v_480"
  }
}

curl -X POST https://api.api-stock.com/api/v1/generation/create \
  -H "Authorization: Bearer sk-your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3.1-fast",
    "input": {
      "prompt": "The gulls lift off and the boat rocks in the swell",
      "urls": ["https://example.com/harbour.jpg"],
      "generationType": "frame",
      "aspectRatio": "16:9"
    }
  }'

json

{
  "code": 200,
  "data": {
    "taskId": "019ca8a1-1c40-73f2-9b6d-4a01d8e2f7c3",
    "status": "not_started",
    "createdAt": "2026-02-28T12:04:11.000Z"
  }
}

const BASE = "https://api.api-stock.com/api/v1";
const KEY = process.env.API_STOCK_KEY!;

async function animate(imageUrl: string, prompt: string) {
  const create = await fetch(`${BASE}/generation/create`, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "veo3.1-fast",
      input: {
        prompt,
        urls: [imageUrl],
        generationType: "frame",
        aspectRatio: "16:9",
      },
    }),
  });

  const created = await create.json();
  if (!create.ok) {
    throw new Error(`${created.error.code}: ${created.error.message}`);
  }

  const taskId: string = created.data.taskId;

  for (;;) {
    await new Promise((r) => setTimeout(r, 10_000));

    const res = await fetch(`${BASE}/task/status/${taskId}`, {
      headers: { Authorization: `Bearer ${KEY}` },
    });
    const body = await res.json().catch(() => null);
    if (!res.ok) {
      const message = body?.error?.message ?? `${res.status} ${res.statusText}`;
      throw new Error(message);
    }
    const { data } = body;

    if (data.status === "finished") return data.files[0].fileUrl;
    if (data.status === "failed" || data.status === "expired") {
      throw new Error(data.errorMessage);
    }
  }
}

const url = await animate(
  "https://example.com/harbour.jpg",
  "The gulls lift off and the boat rocks in the swell",
);
console.log(url); // → https://storage.api-stock.com/generated/video-...mp4

json

{
  "code": 200,
  "data": {
    "taskId": "019ca8a1-1c40-73f2-9b6d-4a01d8e2f7c3",
    "status": "finished",
    "files": [
      {
        "fileUrl": "https://storage.api-stock.com/generated/video-9f31c2.mp4",
        "fileType": "video"
      }
    ],
    "createdTime": "2026-02-28T12:04:11.000Z"
  }
}

用你自己的密钥跑一遍

在 API Stock 目录中选择模型、查看价格，再通过浏览器或 API 试用。

浏览目录 API 参考

图片生成视频

实操要点

提示词与 API 示例

用你自己的密钥跑一遍

继续阅读