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package com.dsideal.aiSupport.Util.DashScope;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.dsideal.aiSupport.Plugin.YamlProp;
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import com.dsideal.aiSupport.Util.DashScope.Kit.VideoStyleEnum;
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import com.jfinal.kit.Prop;
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import lombok.SneakyThrows;
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import okhttp3.*;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.concurrent.TimeUnit;
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import static com.dsideal.aiSupport.AiSupportApplication.getEnvPrefix;
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/**
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* 阿里云达摩院视频风格转换API工具类
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*/
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public class video_style_transform {
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private static final Logger log = LoggerFactory.getLogger(video_style_transform.class);
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private static final String API_URL = "https://dashscope.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis";
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private static final String API_KEY;
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public static Prop PropKit; // 配置文件工具
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static {
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//加载配置文件
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String configFile = "application_{?}.yaml".replace("{?}", getEnvPrefix());
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PropKit = new YamlProp(configFile);
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API_KEY = PropKit.get("aliyun.API_KEY");
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}
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/**
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* 调用视频风格转换API
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*
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* @param videoUrl 视频URL
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* @param style 风格类型,0-9之间的整数
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* @param videoFps 视频帧率,默认为15
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* @return 任务ID
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* @throws Exception 异常信息
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*/
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@SneakyThrows
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public static String transformVideoStyle(String videoUrl, int style, int videoFps) {
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// 创建OkHttpClient,设置超时时间
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OkHttpClient client = new OkHttpClient().newBuilder()
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.connectTimeout(30, TimeUnit.SECONDS)
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.readTimeout(30, TimeUnit.SECONDS)
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.writeTimeout(30, TimeUnit.SECONDS)
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.build();
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// 构建请求体
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JSONObject requestBody = new JSONObject();
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requestBody.put("model", "video-style-transform");
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// 设置输入参数
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JSONObject input = new JSONObject();
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input.put("video_url", videoUrl);
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requestBody.put("input", input);
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// 设置其他参数
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JSONObject parameters = new JSONObject();
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parameters.put("style", style);
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parameters.put("video_fps", videoFps);
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requestBody.put("parameters", parameters);
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// 创建请求
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MediaType mediaType = MediaType.parse("application/json");
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RequestBody body = RequestBody.create(mediaType, requestBody.toJSONString());
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Request request = new Request.Builder()
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.url(API_URL)
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.method("POST", body)
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.addHeader("Content-Type", "application/json")
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.addHeader("Authorization", "Bearer " + API_KEY)
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.addHeader("X-DashScope-Async", "enable")
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.addHeader("X-DashScope-DataInspection", "enable")
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.build();
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// 发送请求并获取响应
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log.info("发送视频风格转换请求: {}", requestBody.toJSONString());
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Response response = client.newCall(request).execute();
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// 检查响应状态
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if (!response.isSuccessful()) {
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log.info(response.message());
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String errorMsg = "视频风格转换API请求失败,状态码: " + response.code();
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log.error(errorMsg);
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throw new Exception(errorMsg);
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}
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// 解析响应
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String responseBody = response.body().string();
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log.info("视频风格转换响应: {}", responseBody);
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JSONObject responseJson = JSON.parseObject(responseBody);
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// 获取任务ID
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String taskId = responseJson.getJSONObject("output").getString("task_id");
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log.info("视频风格转换任务ID: {}", taskId);
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return taskId;
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}
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/**
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* 查询任务状态
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*
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* @param taskId 任务ID
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* @return 任务结果
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* @throws Exception 异常信息
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*/
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@SneakyThrows
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public static JSONObject queryTaskStatus(String taskId) {
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// 创建OkHttpClient
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OkHttpClient client = new OkHttpClient().newBuilder()
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.connectTimeout(30, TimeUnit.SECONDS)
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.readTimeout(30, TimeUnit.SECONDS)
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.build();
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// 创建请求
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Request request = new Request.Builder()
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.url("https://dashscope.aliyuncs.com/api/v1/tasks/" + taskId)
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.method("GET", null)
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.addHeader("Authorization", "Bearer " + API_KEY)
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.build();
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// 发送请求并获取响应
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log.info("查询视频风格转换任务状态: {}", taskId);
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Response response = client.newCall(request).execute();
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// 检查响应状态
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if (!response.isSuccessful()) {
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String errorMsg = "视频风格转换API请求失败,状态码: " + response.code();
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log.error(errorMsg);
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throw new Exception(errorMsg);
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}
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// 解析响应
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String responseBody = response.body().string();
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log.info("查询视频风格转换任务状态响应: {}", responseBody);
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return JSON.parseObject(responseBody);
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}
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/**
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* 下载视频并保存到本地
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*
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* @param videoUrl 视频URL
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* @param savePath 保存路径
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* @throws Exception 异常信息
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*/
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@SneakyThrows
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public static void downloadVideo(String videoUrl, String savePath) {
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// 创建OkHttpClient
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OkHttpClient client = new OkHttpClient().newBuilder()
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.connectTimeout(60, TimeUnit.SECONDS)
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.readTimeout(60, TimeUnit.SECONDS)
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.build();
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// 创建请求
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Request request = new Request.Builder()
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.url(videoUrl)
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.method("GET", null)
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.build();
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// 发送请求并获取响应
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log.info("开始下载视频: {}", videoUrl);
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Response response = client.newCall(request).execute();
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// 检查响应状态
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if (!response.isSuccessful()) {
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String errorMsg = "下载视频失败,状态码: " + response.code();
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log.error(errorMsg);
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throw new Exception(errorMsg);
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}
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// 确保目录存在
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java.io.File file = new java.io.File(savePath);
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java.io.File parentDir = file.getParentFile();
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if (parentDir != null && !parentDir.exists()) {
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parentDir.mkdirs();
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log.info("创建目录: {}", parentDir.getAbsolutePath());
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}
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// 保存视频
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try (java.io.InputStream inputStream = response.body().byteStream();
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java.io.FileOutputStream outputStream = new java.io.FileOutputStream(savePath)) {
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byte[] buffer = new byte[4096];
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int bytesRead;
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while ((bytesRead = inputStream.read(buffer)) != -1) {
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outputStream.write(buffer, 0, bytesRead);
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}
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outputStream.flush();
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}
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log.info("视频下载成功,保存路径: {}", savePath);
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}
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/**
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* 使用示例
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*/
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@SneakyThrows
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public static void main(String[] args) {
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// 视频URL
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String videoUrl = "https://dsideal.obs.myhuaweicloud.com/HuangHai/%E5%A4%87%E4%BB%BD/girl.mp4";
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// 风格类型,0-9之间的整数
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VideoStyleEnum styleEnum = VideoStyleEnum.CHINESE_INK; // 国风水墨风格
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int style = styleEnum.getValue(); // 获取对应的值:7
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// 在API调用中使用
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// 视频帧率
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int videoFps = 15;
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// 调用视频风格转换API
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String taskId = transformVideoStyle(videoUrl, style, videoFps);
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// 轮询查询任务状态
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int maxRetries = 100;
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int retryCount = 0;
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int retryInterval = 5000; // 5秒
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String resultVideoUrl = null;
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while (retryCount < maxRetries) {
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JSONObject result = queryTaskStatus(taskId);
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String status = result.getJSONObject("output").getString("status");
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log.info("任务状态: {}", status);
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if ("SUCCEEDED".equals(status)) {
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// 任务成功,获取视频URL
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resultVideoUrl = result.getJSONObject("output").getString("url");
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log.info("生成的视频URL: {}", resultVideoUrl);
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break;
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} else if ("FAILED".equals(status)) {
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// 任务失败
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String message = result.getJSONObject("output").getString("message");
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log.error("任务失败: {}", message);
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break;
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} else {
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// 任务仍在进行中,等待后重试
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log.info("任务进行中,等待{}毫秒后重试...", retryInterval);
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Thread.sleep(retryInterval);
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retryCount++;
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}
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}
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if (retryCount >= maxRetries) {
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log.error("查询任务状态超时,已达到最大重试次数: {}", maxRetries);
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}
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// 如果获取到了视频URL,则下载保存
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if (resultVideoUrl != null && !resultVideoUrl.isEmpty()) {
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// 创建保存目录
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String saveDir = System.getProperty("user.dir") + "/style_videos";
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// 生成文件名(使用时间戳和任务ID)
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String fileName = "style_" + System.currentTimeMillis() + "_" + taskId + ".mp4";
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// 完整保存路径
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String savePath = saveDir + "/" + fileName;
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// 下载视频
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downloadVideo(resultVideoUrl, savePath);
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}
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}
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}
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