使用 Veo 生成视频

import { GoogleGenAI } from "@google/genai";
import { createWriteStream } from "fs";
import { Readable } from "stream";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

async function main() {
  let operation = await ai.models.generateVideos({
    model: "veo-2.0-generate-001",
    prompt: "Panning wide shot of a calico kitten sleeping in the sunshine",
    config: {
      personGeneration: "dont_allow",
      aspectRatio: "16:9",
    },
  });

  while (!operation.done) {
    await new Promise((resolve) => setTimeout(resolve, 10000));
    operation = await ai.operations.getVideosOperation({
      operation: operation,
    });
  }

  operation.response?.generatedVideos?.forEach(async (generatedVideo, n) => {
    const resp = await fetch(`${generatedVideo.video?.uri}&key=GOOGLE_API_KEY`); // append your API key
    const writer = createWriteStream(`video${n}.mp4`);
    Readable.fromWeb(resp.body).pipe(writer);
  });
}

main();

package main

import (
  "context"
  "fmt"
  "os"
  "time"
  "google.golang.org/genai"
)

func main() {

  ctx := context.Background()
  client, _ := genai.NewClient(ctx, &genai.ClientConfig{
      APIKey:  os.Getenv("GEMINI_API_KEY"),
      Backend: genai.BackendGeminiAPI,
  })

  videoConfig := &genai.GenerateVideosConfig{
      AspectRatio:      "16:9",
      PersonGeneration: "dont_allow",
  }

  operation, _ := client.Models.GenerateVideos(
      ctx,
      "veo-2.0-generate-001",
      "Panning wide shot of a calico kitten sleeping in the sunshine",
      nil,
      videoConfig,
  )

  for !operation.Done {
      time.Sleep(20 * time.Second)
      operation, _ = client.Operations.GetVideosOperation(ctx, operation, nil)
  }

  for n, video := range operation.Response.GeneratedVideos {
      client.Files.Download(ctx, video.Video, nil)
      fname := fmt.Sprintf("video_%d.mp4", n)
      _ = os.WriteFile(fname, video.Video.VideoBytes, 0644)
  }
}

# Use curl to send a POST request to the predictLongRunning endpoint.
# The request body includes the prompt for video generation.
curl "${BASE_URL}/models/veo-2.0-generate-001:predictLongRunning?key=${GOOGLE_API_KEY}" \
  -H "Content-Type: application/json" \
  -X "POST" \
  -d '{
    "instances": [{
        "prompt": "Panning wide shot of a calico kitten sleeping in the sunshine"
      }
    ],
    "parameters": {
      "aspectRatio": "16:9",
      "personGeneration": "dont_allow",
    }
  }' | tee result.json | jq .name | sed 's/"//g' > op_name

# Obtain operation name to download video.
op_name=$(cat op_name)

# Check against status of operation.
while true; do
  is_done=$(curl "${BASE_URL}/${op_name}?key=${GOOGLE_API_KEY}" | tee op_check.json | jq .done)

  if [ "${is_done}" = "true" ]; then
    cat op_check.json
    echo "** Attach API_KEY to download video, or examine error message."
    break
  fi

  echo "** Video ${op_name} has not downloaded yet!  Check again after 5 seconds..."

  # Wait for 5 seoncds to check again.
  sleep 5

done

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });
const response = await ai.models.generateImages({
  model: "imagen-3.0-generate-002",
  prompt: "Panning wide shot of a calico kitten sleeping in the sunshine",
  config: {
    numberOfImages: 1,
  },
});

// you'll pass response.generatedImages[0].image.imageBytes to Veo

package main

import (
    "context"
    "fmt"
    "os"
    "time"
    "google.golang.org/genai"
)

func main() {

    ctx := context.Background()
    client, _ := genai.NewClient(ctx, &genai.ClientConfig{
        APIKey:  os.Getenv("GEMINI_API_KEY"),
        Backend: genai.BackendGeminiAPI,
    })

    config := &genai.GenerateImagesConfig{
        AspectRatio:    "16:9",
        NumberOfImages: 1,
    }

    response, _ := client.Models.GenerateImages(
        ctx,
        "imagen-3.0-generate-002",
        "Panning wide shot of a calico kitten sleeping in the sunshine",
        config,
    )

    // you'll pass response.GeneratedImages[0].Image to Veo
}

import { GoogleGenAI } from "@google/genai";
import { createWriteStream } from "fs";
import { Readable } from "stream";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

async function main() {
  // get image bytes from Imagen, as shown above

  let operation = await ai.models.generateVideos({
    model: "veo-2.0-generate-001",
    prompt: "Panning wide shot of a calico kitten sleeping in the sunshine",
    image: {
      imageBytes: response.generatedImages[0].image.imageBytes, // response from Imagen
      mimeType: "image/png",
    },
    config: {
      aspectRatio: "16:9",
      numberOfVideos: 2,
    },
  });

  while (!operation.done) {
    await new Promise((resolve) => setTimeout(resolve, 10000));
    operation = await ai.operations.getVideosOperation({
      operation: operation,
    });
  }

  operation.response?.generatedVideos?.forEach(async (generatedVideo, n) => {
    const resp = await fetch(
      `${generatedVideo.video?.uri}&key=GOOGLE_API_KEY`, // append your API key
    );
    const writer = createWriteStream(`video${n}.mp4`);
    Readable.fromWeb(resp.body).pipe(writer);
  });
}

main();

    image := response.GeneratedImages[0].Image

    videoConfig := &genai.GenerateVideosConfig{
      AspectRatio:    "16:9",
      NumberOfVideos: 2,
    }

    operation, _ := client.Models.GenerateVideos(
        ctx,
        "veo-2.0-generate-001",
        "A dramatic scene based on the input image",
        image,
        videoConfig,
    )

    for !operation.Done {
        time.Sleep(20 * time.Second)
        operation, _ = client.Operations.GetVideosOperation(ctx, operation, nil)
    }

    for n, video := range operation.Response.GeneratedVideos {
        client.Files.Download(ctx, video.Video, nil)
        fname := fmt.Sprintf("video_with_image_input_%d.mp4", n)
        _ = os.WriteFile(fname, video.Video.VideoBytes, 0644)
    }
}