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api-third/src/main/java/com/heyu/api/alibaba/Image2Video.java

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+
+package com.heyu.api.alibaba;// Copyright (c) Alibaba, Inc. and its affiliates.
+
+import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesis;
+import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisParam;
+import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisResult;
+import com.alibaba.dashscope.exception.ApiException;
+import com.alibaba.dashscope.exception.InputRequiredException;
+import com.alibaba.dashscope.exception.NoApiKeyException;
+import com.alibaba.dashscope.utils.JsonUtils;
+import com.alibaba.dashscope.utils.Constants;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 环境要求
+ *      dashscope java SDK >= 2.20.9
+ * 更新maven依赖:
+ *      https://mvnrepository.com/artifact/com.alibaba/dashscope-sdk-java
+ */
+ 
+public class Image2Video {
+
+    static {
+        // 以下为北京地域url，若使用新加坡地域的模型，需将url替换为：https://dashscope-intl.aliyuncs.com/api/v1
+        Constants.baseHttpApiUrl = "https://dashscope.aliyuncs.com/api/v1";
+    }
+
+    // 若没有配置环境变量，请用百炼API Key将下行替换为：apiKey="sk-xxx"
+    // 新加坡和北京地域的API Key不同。获取API Key：https://help.aliyun.com/zh/model-studio/get-api-key
+    //static String apiKey = System.getenv("DASHSCOPE_API_KEY");
+
+    /**
+     * 图像输入方式说明：三选一即可
+     *
+     * 1. 使用公网URL - 适合已有公开可访问的图片
+     * 2. 使用本地文件 - 适合本地开发测试
+     * 3. 使用Base64编码 - 适合私有图片或需要加密传输的场景
+     */
+
+    //【方式一】公网URL
+    static String imgUrl = "https://gw.alicdn.com/bao/uploaded/i4/2219725998116/O1CN01jsogzI29pBWXEdU7M_!!2219725998116.jpg_.webp";
+
+    //【方式二】本地文件路径（file://+绝对路径）
+    // static String imgUrl = "file://" + "/your/path/to/img.png";    // Linux/macOS
+    // static String imgUrl = "file://" + "C:/your/path/to/img.png";  // Windows
+
+    //【方式三】Base64编码
+    // static String imgUrl = Image2Video.encodeFile("/your/path/to/img.png");
+
+    public static void image2video() throws ApiException, NoApiKeyException, InputRequiredException {
+        // 设置parameters参数
+        Map<String, Object> parameters = new HashMap<>();
+        /***
+         * 是否开启prompt智能改写。开启后使用大模型对输入prompt进行智能改写。对于较短的prompt生成效果提升明显，但会增加耗时。
+         *
+         * true：默认值，开启智能改写。
+         *
+         * false：不开启智能改写。
+         *
+         * 示例值：true。
+         */
+        parameters.put("prompt_extend", true);
+
+        VideoSynthesis vs = new VideoSynthesis();
+        VideoSynthesisParam param =
+                VideoSynthesisParam.builder()
+                        .apiKey(LLMUtils.apiKey)
+                        .model("wan2.2-i2v-plus")
+                        .prompt("基于项链生成一个商品宣传视频")
+                        .imgUrl(imgUrl)
+                        .parameters(parameters)
+                        .resolution("1080P")
+                        .build();
+        System.out.println("please wait...");
+        VideoSynthesisResult result = vs.call(param);
+        System.out.println(JsonUtils.toJson(result));
+    }
+    
+     /**
+     * 将文件编码为Base64字符串
+     * @param filePath 文件路径
+     * @return Base64字符串，格式为 data:{MIME_type};base64,{base64_data}
+     */
+    public static String encodeFile(String filePath) {
+        Path path = Paths.get(filePath);
+        if (!Files.exists(path)) {
+            throw new IllegalArgumentException("文件不存在: " + filePath);
+        }
+        // 检测MIME类型
+        String mimeType = null;
+        try {
+            mimeType = Files.probeContentType(path);
+        } catch (IOException e) {
+            throw new IllegalArgumentException("无法检测文件类型: " + filePath);
+        }
+        if (mimeType == null || !mimeType.startsWith("image/")) {
+            throw new IllegalArgumentException("不支持或无法识别的图像格式");
+        }
+        // 读取文件内容并编码
+        byte[] fileBytes = null;
+        try{
+            fileBytes = Files.readAllBytes(path);
+        } catch (IOException e) {
+            throw new IllegalArgumentException("无法读取文件内容: " + filePath);
+        }
+    
+        String encodedString = Base64.getEncoder().encodeToString(fileBytes);
+        return "data:" + mimeType + ";base64," + encodedString;
+    }
+    
+
+    public static void main(String[] args) {
+        try {
+            image2video();
+        } catch (ApiException | NoApiKeyException | InputRequiredException e) {
+            System.out.println(e.getMessage());
+        }
+        System.exit(0);
+    }
+}