Merge branch 'render_next'

src/main/java/com/ycwl/basic/integration/render/client/RenderJobV2Client.java

@@ -47,6 +47,21 @@ public interface RenderJobV2Client {
     @PostMapping("/jobs/{jobId}/cancel")
     CommonResponse<Void> cancelJob(@PathVariable("jobId") Long jobId);
 
+    /**
+     * 创建FINALIZE_MP4任务
+     * 将所有已发布的TS片段合成为MP4文件
+     *
+     * 前置条件：
+     * 1. 作业存在且状态为RUNNING
+     * 2. 所有片段都已发布（PublishedCount == SegmentCount）
+     * 3. 不存在已有的FINALIZE_MP4任务
+     *
+     * @param jobId 作业ID
+     * @return 任务创建结果
+     */
+    @PostMapping("/jobs/{jobId}/finalize-mp4")
+    CommonResponse<FinalizeMP4Response> createFinalizeMP4Task(@PathVariable("jobId") Long jobId);
+
     // ==================== 管理端接口 ====================
 
     /**

src/main/java/com/ycwl/basic/integration/render/dto/job/FinalizeMP4Response.java

@@ -0,0 +1,20 @@
+package com.ycwl.basic.integration.render.dto.job;
+
+import lombok.Data;
+
+/**
+ * 创建FINALIZE_MP4任务响应
+ */
+@Data
+public class FinalizeMP4Response {
+
+    /**
+     * 任务ID
+     */
+    private Long taskId;
+
+    /**
+     * 任务状态
+     */
+    private String status;
+}

src/main/java/com/ycwl/basic/integration/render/service/RenderJobIntegrationService.java

@@ -41,15 +41,8 @@ public class RenderJobIntegrationService {
      */
     public JobStatusResponse getJobStatus(Long jobId) {
         log.debug("获取作业状态, jobId: {}", jobId);
-        return fallbackService.executeWithFallback(
-                SERVICE_NAME,
-                "job:status:" + jobId,
-                () -> {
         CommonResponse<JobStatusResponse> response = renderJobV2Client.getJobStatus(jobId);
         return handleResponse(response, "获取作业状态失败");
-                },
-                JobStatusResponse.class
-        );
     }
 
     /**
@@ -71,15 +64,8 @@ public class RenderJobIntegrationService {
      */
     public PlaylistInfoDTO getPlaylistInfo(Long jobId) {
         log.debug("获取播放列表信息, jobId: {}", jobId);
-        return fallbackService.executeWithFallback(
-                SERVICE_NAME,
-                "job:playlist-info:" + jobId,
-                () -> {
         CommonResponse<PlaylistInfoDTO> response = renderJobV2Client.getPlaylistInfo(jobId);
         return handleResponse(response, "获取播放列表信息失败");
-                },
-                PlaylistInfoDTO.class
-        );
     }
 
     /**
@@ -91,6 +77,20 @@ public class RenderJobIntegrationService {
         handleVoidResponse(response, "取消作业失败");
     }
 
+    /**
+     * 创建FINALIZE_MP4任务（直接调用，不降级）
+     * 将所有已发布的TS片段合成为MP4文件
+     *
+     * @param jobId 作业ID
+     * @return 任务创建结果
+     * @throws IntegrationException 当前置条件不满足时抛出异常
+     */
+    public FinalizeMP4Response createFinalizeMP4Task(Long jobId) {
+        log.debug("创建FINALIZE_MP4任务, jobId: {}", jobId);
+        CommonResponse<FinalizeMP4Response> response = renderJobV2Client.createFinalizeMP4Task(jobId);
+        return handleResponse(response, "创建FINALIZE_MP4任务失败");
+    }
+
     // ==================== 管理端接口 ====================
 
     /**
@@ -110,15 +110,8 @@ public class RenderJobIntegrationService {
      */
     public RenderJobV2DTO getJobDetail(Long jobId) {
         log.debug("获取作业详情, jobId: {}", jobId);
-        return fallbackService.executeWithFallback(
-                SERVICE_NAME,
-                "job:detail:" + jobId,
-                () -> {
         CommonResponse<RenderJobV2DTO> response = renderJobV2Client.getJobDetail(jobId);
         return handleResponse(response, "获取作业详情失败");
-                },
-                RenderJobV2DTO.class
-        );
     }
 
     /**
@@ -127,16 +120,9 @@ public class RenderJobIntegrationService {
     @SuppressWarnings("unchecked")
     public List<RenderJobSegmentV2DTO> getJobSegments(Long jobId) {
         log.debug("获取作业片段列表, jobId: {}", jobId);
-        return fallbackService.executeWithFallback(
-                SERVICE_NAME,
-                "job:segments:" + jobId,
-                () -> {
         CommonResponse<List<RenderJobSegmentV2DTO>> response =
                 renderJobV2Client.getJobSegments(jobId);
         return handleResponse(response, "获取作业片段列表失败");
-                },
-                (Class<List<RenderJobSegmentV2DTO>>) (Class<?>) List.class
-        );
     }
 
     // ==================== Helper Methods ====================

src/main/java/com/ycwl/basic/mapper/task/TaskRenderJobMappingMapper.java

@@ -0,0 +1,64 @@
+package com.ycwl.basic.mapper.task;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.ycwl.basic.model.task.entity.TaskRenderJobMappingEntity;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Task与RenderJob关联Mapper
+ */
+@Mapper
+public interface TaskRenderJobMappingMapper extends BaseMapper<TaskRenderJobMappingEntity> {
+
+    /**
+     * 根据taskId查询mapping
+     */
+    TaskRenderJobMappingEntity selectByTaskId(@Param("taskId") Long taskId);
+
+    /**
+     * 根据renderJobId查询mapping
+     */
+    TaskRenderJobMappingEntity selectByRenderJobId(@Param("renderJobId") Long renderJobId);
+
+    /**
+     * 查询需要轮询的记录
+     * 条件：状态为PENDING或PREVIEW_READY，且最后检查时间超过指定间隔
+     */
+    List<TaskRenderJobMappingEntity> selectPendingForPolling(
+            @Param("statuses") List<String> statuses,
+            @Param("checkIntervalSeconds") int checkIntervalSeconds,
+            @Param("limit") int limit
+    );
+
+    /**
+     * 更新渲染状态和片段信息
+     */
+    int updateRenderStatus(
+            @Param("id") Long id,
+            @Param("renderStatus") String renderStatus,
+            @Param("publishedCount") Integer publishedCount,
+            @Param("segmentCount") Integer segmentCount,
+            @Param("previewUrl") String previewUrl,
+            @Param("mp4Url") String mp4Url,
+            @Param("lastCheckTime") Date lastCheckTime
+    );
+
+    /**
+     * 更新为失败状态
+     */
+    int updateToFailed(
+            @Param("id") Long id,
+            @Param("errorCode") String errorCode,
+            @Param("errorMessage") String errorMessage,
+            @Param("lastCheckTime") Date lastCheckTime
+    );
+
+    /**
+     * 增加重试次数
+     */
+    int incrementRetryCount(@Param("id") Long id);
+}

src/main/java/com/ycwl/basic/model/task/entity/TaskRenderJobMappingEntity.java

@@ -0,0 +1,98 @@
+package com.ycwl.basic.model.task.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * Task与RenderJob关联实体
+ * 用于跟踪task和zt-render-worker服务中渲染作业的关联
+ */
+@Data
+@TableName("task_render_job_mapping")
+public class TaskRenderJobMappingEntity {
+
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 任务ID（task表的id）
+     */
+    private Long taskId;
+
+    /**
+     * 渲染作业ID（zt-render-worker返回的jobId）
+     */
+    private Long renderJobId;
+
+    /**
+     * 渲染状态
+     * PENDING-等待中, PREVIEW_READY-预览就绪, COMPLETED-已完成, FAILED-失败
+     */
+    private String renderStatus;
+
+    /**
+     * 已发布片段数
+     */
+    private Integer publishedCount;
+
+    /**
+     * 总片段数
+     */
+    private Integer segmentCount;
+
+    /**
+     * 预览播放地址（HLS）
+     */
+    private String previewUrl;
+
+    /**
+     * 最终MP4地址
+     */
+    private String mp4Url;
+
+    /**
+     * 错误码
+     */
+    private String errorCode;
+
+    /**
+     * 错误信息
+     */
+    private String errorMessage;
+
+    /**
+     * 重试次数
+     */
+    private Integer retryCount;
+
+    /**
+     * 最后检查时间
+     */
+    private Date lastCheckTime;
+
+    private Date createTime;
+    private Date updateTime;
+
+    /**
+     * 渲染状态常量
+     */
+    public static final String STATUS_PENDING = "PENDING";
+    public static final String STATUS_PREVIEW_READY = "PREVIEW_READY";
+    public static final String STATUS_MP4_COMPOSING = "MP4_COMPOSING";
+    public static final String STATUS_COMPLETED = "COMPLETED";
+    public static final String STATUS_FAILED = "FAILED";
+
+    /**
+     * 预览就绪所需的最小已发布片段数
+     */
+    public static final int MIN_PUBLISHED_FOR_PREVIEW = 2;
+
+    /**
+     * 最大重试次数
+     */
+    public static final int MAX_RETRY_COUNT = 10;
+}

src/main/java/com/ycwl/basic/service/task/RenderJobPollingService.java

@@ -0,0 +1,416 @@
+package com.ycwl.basic.service.task;
+
+import com.ycwl.basic.integration.render.dto.job.FinalizeMP4Response;
+import com.ycwl.basic.integration.render.dto.job.JobStatusResponse;
+import com.ycwl.basic.integration.render.service.RenderJobIntegrationService;
+import com.ycwl.basic.mapper.TaskMapper;
+import com.ycwl.basic.mapper.VideoMapper;
+import com.ycwl.basic.mapper.task.TaskRenderJobMappingMapper;
+import com.ycwl.basic.model.pc.task.entity.TaskEntity;
+import com.ycwl.basic.model.pc.video.entity.VideoEntity;
+import com.ycwl.basic.model.task.entity.TaskRenderJobMappingEntity;
+import com.ycwl.basic.repository.MemberRelationRepository;
+import com.ycwl.basic.repository.VideoRepository;
+import com.ycwl.basic.repository.VideoTaskRepository;
+import com.ycwl.basic.utils.SnowFlakeUtil;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.context.annotation.Profile;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 渲染作业轮询服务
+ * 定时查询zt-render-worker服务中的渲染作业状态，并更新本地task状态
+ *
+ * 状态流转：
+ * PENDING → PREVIEW_READY → MP4_COMPOSING → COMPLETED
+ *    │            │              │              │
+ *    └────────────┴──────────────┴──────────────┴──→ FAILED
+ */
+@Slf4j
+@Service
+@EnableScheduling
+@RequiredArgsConstructor
+@Profile({"dev", "prod"}) // 开发和生产环境启用
+public class RenderJobPollingService {
+
+    private final TaskRenderJobMappingMapper mappingMapper;
+    private final RenderJobIntegrationService renderJobService;
+    private final TaskMapper taskMapper;
+    private final VideoMapper videoMapper;
+    private final VideoTaskRepository videoTaskRepository;
+    private final VideoRepository videoRepository;
+    private final MemberRelationRepository memberRelationRepository;
+
+    /**
+     * 定时轮询间隔：4秒
+     */
+    private static final int POLL_INTERVAL_SECONDS = 4;
+
+    /**
+     * 每次查询的最大记录数
+     */
+    private static final int BATCH_SIZE = 50;
+
+    /**
+     * 定时轮询渲染作业状态
+     * 每3秒执行一次
+     */
+    @Scheduled(fixedDelay = 3000)
+    public void pollRenderJobs() {
+        try {
+            log.debug("[渲染轮询] 开始轮询渲染作业状态");
+
+            // 查询待轮询的记录（包含MP4_COMPOSING状态）
+            List<String> pendingStatuses = Arrays.asList(
+                    TaskRenderJobMappingEntity.STATUS_PENDING,
+                    TaskRenderJobMappingEntity.STATUS_PREVIEW_READY,
+                    TaskRenderJobMappingEntity.STATUS_MP4_COMPOSING
+            );
+
+            List<TaskRenderJobMappingEntity> mappings = mappingMapper.selectPendingForPolling(
+                    pendingStatuses,
+                    POLL_INTERVAL_SECONDS,
+                    BATCH_SIZE
+            );
+
+            if (mappings.isEmpty()) {
+                log.debug("[渲染轮询] 无待处理记录");
+                return;
+            }
+
+            log.info("[渲染轮询] 查询到 {} 条待处理记录", mappings.size());
+
+            // 处理每条记录
+            for (TaskRenderJobMappingEntity mapping : mappings) {
+                try {
+                    processMapping(mapping);
+                } catch (Exception e) {
+                    log.error("[渲染轮询] 处理失败, mappingId: {}, taskId: {}, renderJobId: {}, error: {}",
+                            mapping.getId(), mapping.getTaskId(), mapping.getRenderJobId(), e.getMessage(), e);
+                    handleProcessError(mapping, e);
+                }
+            }
+
+            log.debug("[渲染轮询] 轮询完成");
+
+        } catch (Exception e) {
+            log.error("[渲染轮询] 轮询异常", e);
+        }
+    }
+
+    /**
+     * 处理单条mapping记录
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void processMapping(TaskRenderJobMappingEntity mapping) {
+        Long renderJobId = mapping.getRenderJobId();
+        Long taskId = mapping.getTaskId();
+        String currentStatus = mapping.getRenderStatus();
+
+        log.debug("[渲染轮询] 处理记录: mappingId={}, taskId={}, renderJobId={}, currentStatus={}",
+                mapping.getId(), taskId, renderJobId, currentStatus);
+
+        // 查询渲染作业状态
+        JobStatusResponse jobStatus;
+        try {
+            jobStatus = renderJobService.getJobStatus(renderJobId);
+        } catch (Exception e) {
+            log.warn("[渲染轮询] 查询作业状态失败, renderJobId: {}, error: {}", renderJobId, e.getMessage());
+            // 注：此处不调用incrementRetryCount，因为@Transactional会回滚
+            // 外层handleProcessError会负责增加重试次数
+            throw e;
+        }
+
+        // 检查作业状态
+        String status = jobStatus.getStatus();
+        Integer publishedCount = jobStatus.getPublishedCount();
+        Integer segmentCount = jobStatus.getSegmentCount();
+        String playUrl = jobStatus.getPlayUrl();
+        String mp4Url = jobStatus.getMp4Url();
+
+        log.info("[渲染轮询] 作业状态: taskId={}, status={}, publishedCount={}/{}, playUrl={}, mp4Url={}",
+                taskId, status, publishedCount, segmentCount, playUrl, mp4Url);
+
+        // 处理失败状态
+        if ("FAILED".equals(status) || "CANCELED".equals(status)) {
+            handleJobFailed(mapping, jobStatus);
+            return;
+        }
+
+        // 状态流转处理
+        switch (currentStatus) {
+            case TaskRenderJobMappingEntity.STATUS_PENDING:
+                handlePendingStatus(mapping, jobStatus, taskId);
+                break;
+            case TaskRenderJobMappingEntity.STATUS_PREVIEW_READY:
+                handlePreviewReadyStatus(mapping, jobStatus, taskId);
+                break;
+            case TaskRenderJobMappingEntity.STATUS_MP4_COMPOSING:
+                handleMp4ComposingStatus(mapping, jobStatus, taskId);
+                break;
+            default:
+                log.warn("[渲染轮询] 未知状态: {}", currentStatus);
+        }
+    }
+
+    /**
+     * 处理PENDING状态
+     * PENDING → PREVIEW_READY：当publishedCount >= 2时
+     */
+    private void handlePendingStatus(TaskRenderJobMappingEntity mapping, JobStatusResponse jobStatus, Long taskId) {
+        Integer publishedCount = jobStatus.getPublishedCount();
+        Integer segmentCount = jobStatus.getSegmentCount();
+        String playUrl = jobStatus.getPlayUrl();
+
+        if (publishedCount != null && publishedCount >= TaskRenderJobMappingEntity.MIN_PUBLISHED_FOR_PREVIEW) {
+            log.info("[渲染轮询] 预览就绪: taskId={}, publishedCount={}/{}, playUrl={}",
+                    taskId, publishedCount, segmentCount, playUrl);
+
+            // 更新mapping状态为PREVIEW_READY
+            updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_PREVIEW_READY,
+                    publishedCount, segmentCount, playUrl, null);
+
+            // 更新task的videoUrl为预览地址
+            if (StringUtils.isNotBlank(playUrl)) {
+                TaskEntity task = new TaskEntity();
+                task.setId(taskId);
+                task.setVideoUrl(playUrl);
+                task.setStatus(1); // 设置为完成状态
+                taskMapper.update(task);
+                videoTaskRepository.clearTaskCache(taskId);
+                log.info("[渲染轮询] 已更新task预览URL和状态: taskId={}, playUrl={}, status=1", taskId, playUrl);
+
+                // 处理video记录（类似taskSuccess逻辑）
+                try {
+                    handleVideoRecordForPreview(taskId, playUrl);
+                } catch (Exception e) {
+                    log.warn("[渲染轮询] 处理video记录失败: taskId={}, error={}", taskId, e.getMessage(), e);
+                }
+
+                // 异步发送视频生成通知（仅记录日志，实际通知可能需要在MP4完成后）
+                log.info("[渲染轮询] 预览视频已就绪，可发送通知: taskId={}", taskId);
+            }
+        } else {
+            // 更新片段信息
+            updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_PENDING,
+                    publishedCount, segmentCount, null, null);
+        }
+    }
+
+    /**
+     * 处理PREVIEW_READY状态
+     * PREVIEW_READY → MP4_COMPOSING：当所有片段都已发布时，调用finalize-mp4接口
+     */
+    private void handlePreviewReadyStatus(TaskRenderJobMappingEntity mapping, JobStatusResponse jobStatus, Long taskId) {
+        Integer publishedCount = jobStatus.getPublishedCount();
+        Integer segmentCount = jobStatus.getSegmentCount();
+        String playUrl = jobStatus.getPlayUrl();
+        Long renderJobId = mapping.getRenderJobId();
+
+        // 检查是否所有片段都已发布
+        if (publishedCount != null && segmentCount != null && publishedCount.equals(segmentCount) && segmentCount > 0) {
+            log.info("[渲染轮询] 所有片段已发布，开始创建MP4合成任务: taskId={}, renderJobId={}, publishedCount={}/{}",
+                    taskId, renderJobId, publishedCount, segmentCount);
+
+            try {
+                // 调用finalize-mp4接口创建MP4合成任务
+                FinalizeMP4Response response = renderJobService.createFinalizeMP4Task(renderJobId);
+                log.info("[渲染轮询] MP4合成任务创建成功: taskId={}, renderJobId={}, mp4TaskId={}, status={}",
+                        taskId, renderJobId, response.getTaskId(), response.getStatus());
+
+                // 更新mapping状态为MP4_COMPOSING
+                updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_MP4_COMPOSING,
+                        publishedCount, segmentCount, playUrl, null);
+
+            } catch (Exception e) {
+                // 409表示任务已存在，直接进入MP4_COMPOSING状态
+                if (e.getMessage() != null && e.getMessage().contains("409")) {
+                    log.info("[渲染轮询] MP4合成任务已存在，继续等待: taskId={}, renderJobId={}", taskId, renderJobId);
+                    updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_MP4_COMPOSING,
+                            publishedCount, segmentCount, playUrl, null);
+                } else {
+                    log.warn("[渲染轮询] 创建MP4合成任务失败: taskId={}, renderJobId={}, error={}",
+                            taskId, renderJobId, e.getMessage());
+                    // 不改变状态，下次轮询重试
+                    updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_PREVIEW_READY,
+                            publishedCount, segmentCount, playUrl, null);
+                }
+            }
+        } else {
+            // 更新片段信息
+            updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_PREVIEW_READY,
+                    publishedCount, segmentCount, playUrl, null);
+        }
+    }
+
+    /**
+     * 处理MP4_COMPOSING状态
+     * MP4_COMPOSING → COMPLETED：当mp4Url有值时
+     */
+    private void handleMp4ComposingStatus(TaskRenderJobMappingEntity mapping, JobStatusResponse jobStatus, Long taskId) {
+        Integer publishedCount = jobStatus.getPublishedCount();
+        Integer segmentCount = jobStatus.getSegmentCount();
+        String playUrl = jobStatus.getPlayUrl();
+        String mp4Url = jobStatus.getMp4Url();
+
+        if (StringUtils.isNotBlank(mp4Url)) {
+            log.info("[渲染轮询] MP4合成完成: taskId={}, mp4Url={}", taskId, mp4Url);
+
+            // 更新mapping状态为COMPLETED
+            updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_COMPLETED,
+                    publishedCount, segmentCount, playUrl, mp4Url);
+
+            // 更新task的videoUrl为最终MP4地址
+            TaskEntity task = new TaskEntity();
+            task.setId(taskId);
+            task.setVideoUrl(mp4Url);
+            taskMapper.update(task);
+            videoTaskRepository.clearTaskCache(taskId);
+            log.info("[渲染轮询] 已更新task最终MP4 URL: taskId={}, mp4Url={}", taskId, mp4Url);
+
+            // 更新video记录的videoUrl为最终MP4地址
+            try {
+                handleVideoRecordForMP4(taskId, mp4Url);
+            } catch (Exception e) {
+                log.warn("[渲染轮询] 更新video的MP4 URL失败: taskId={}, error={}", taskId, e.getMessage(), e);
+            }
+        } else {
+            // MP4还在合成中，更新片段信息
+            log.debug("[渲染轮询] MP4合成中: taskId={}, 等待下次轮询", taskId);
+            updateMappingStatus(mapping.getId(), TaskRenderJobMappingEntity.STATUS_MP4_COMPOSING,
+                    publishedCount, segmentCount, playUrl, null);
+        }
+    }
+
+    /**
+     * 处理作业失败
+     */
+    private void handleJobFailed(TaskRenderJobMappingEntity mapping, JobStatusResponse jobStatus) {
+        String errorCode = jobStatus.getErrorCode();
+        String errorMessage = jobStatus.getErrorMessage();
+
+        log.warn("[渲染轮询] 作业失败: taskId={}, status={}, errorCode={}, errorMessage={}",
+                mapping.getTaskId(), jobStatus.getStatus(), errorCode, errorMessage);
+
+        mappingMapper.updateToFailed(
+                mapping.getId(),
+                errorCode,
+                errorMessage,
+                new Date()
+        );
+    }
+
+    /**
+     * 更新mapping状态
+     */
+    private void updateMappingStatus(Long id, String renderStatus, Integer publishedCount,
+                                      Integer segmentCount, String previewUrl, String mp4Url) {
+        mappingMapper.updateRenderStatus(
+                id,
+                renderStatus,
+                publishedCount,
+                segmentCount,
+                previewUrl,
+                mp4Url,
+                new Date()
+        );
+    }
+
+    /**
+     * 处理异常
+     */
+    private void handleProcessError(TaskRenderJobMappingEntity mapping, Exception e) {
+        try {
+            mappingMapper.incrementRetryCount(mapping.getId());
+
+            // 超过最大重试次数，标记为失败
+            if (mapping.getRetryCount() != null &&
+                    mapping.getRetryCount() >= TaskRenderJobMappingEntity.MAX_RETRY_COUNT - 1) {
+                mappingMapper.updateToFailed(
+                        mapping.getId(),
+                        "MAX_RETRY",
+                        "超过最大重试次数: " + e.getMessage(),
+                        new Date()
+                );
+            }
+        } catch (Exception ex) {
+            log.error("[渲染轮询] 处理错误失败", ex);
+        }
+    }
+
+    /**
+     * 处理video记录（预览就绪时）
+     * 类似taskSuccess的逻辑，但简化版本
+     */
+    private void handleVideoRecordForPreview(Long taskId, String videoUrl) {
+        try {
+            var taskResp = taskMapper.getById(taskId);
+            if (taskResp == null) {
+                log.warn("[渲染轮询] task不存在: taskId={}", taskId);
+                return;
+            }
+
+            VideoEntity video = videoMapper.findByTaskId(taskId);
+            if (video != null) {
+                // 更新已有video记录
+                video.setVideoUrl(videoUrl);
+                videoMapper.update(video);
+                videoRepository.clearVideoCache(video.getId());
+                log.info("[渲染轮询] 已更新video预览URL: taskId={}, videoId={}, videoUrl={}",
+                        taskId, video.getId(), videoUrl);
+            } else {
+                // 创建新video记录
+                video = new VideoEntity();
+                video.setId(SnowFlakeUtil.getLongId());
+                video.setScenicId(taskResp.getScenicId());
+                video.setTemplateId(taskResp.getTemplateId());
+                video.setTaskId(taskId);
+                video.setFaceId(taskResp.getFaceId());
+                video.setVideoUrl(videoUrl);
+                video.setCreateTime(new Date());
+                videoMapper.add(video);
+                log.info("[渲染轮询] 已创建video预览记录: taskId={}, videoId={}, videoUrl={}",
+                        taskId, video.getId(), videoUrl);
+            }
+
+            // 更新member_video关联表（isBuy=0，预览阶段未购买）
+            videoMapper.updateRelationWhenTaskSuccess(taskId, video.getId(), 0);
+            memberRelationRepository.clearVCacheByFace(taskResp.getFaceId());
+            log.info("[渲染轮询] 已更新member_video关联: taskId={}, videoId={}", taskId, video.getId());
+
+        } catch (Exception e) {
+            log.error("[渲染轮询] 处理video记录失败: taskId={}", taskId, e);
+            throw e;
+        }
+    }
+
+    /**
+     * 更新video记录的MP4地址（MP4合成完成时）
+     */
+    private void handleVideoRecordForMP4(Long taskId, String mp4Url) {
+        try {
+            VideoEntity video = videoMapper.findByTaskId(taskId);
+            if (video != null) {
+                video.setVideoUrl(mp4Url);
+                videoMapper.update(video);
+                videoRepository.clearVideoCache(video.getId());
+                log.info("[渲染轮询] 已更新video最终MP4 URL: taskId={}, videoId={}, mp4Url={}",
+                        taskId, video.getId(), mp4Url);
+            } else {
+                log.warn("[渲染轮询] video不存在，无法更新MP4 URL: taskId={}", taskId);
+            }
+        } catch (Exception e) {
+            log.error("[渲染轮询] 更新video的MP4 URL失败: taskId={}", taskId, e);
+            throw e;
+        }
+    }
+}

src/main/java/com/ycwl/basic/service/task/impl/TaskTaskServiceImpl.java

@@ -13,6 +13,8 @@ import com.ycwl.basic.integration.render.dto.job.CreatePreviewRequest;
 import com.ycwl.basic.integration.render.dto.job.CreatePreviewResponse;
 import com.ycwl.basic.integration.render.dto.job.MaterialDTO;
 import com.ycwl.basic.integration.render.service.RenderJobIntegrationService;
+import com.ycwl.basic.mapper.task.TaskRenderJobMappingMapper;
+import com.ycwl.basic.model.task.entity.TaskRenderJobMappingEntity;
 import com.ycwl.basic.repository.MemberRelationRepository;
 import com.ycwl.basic.repository.SourceRepository;
 import com.ycwl.basic.utils.JacksonUtil;
@@ -69,6 +71,7 @@ import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
 import java.util.HashMap;
@@ -124,6 +127,8 @@ public class TaskTaskServiceImpl implements TaskService {
     private FaceStatusManager faceStatusManager;
     @Autowired
     private RenderJobIntegrationService renderJobIntegrationService;
+    @Autowired
+    private TaskRenderJobMappingMapper taskRenderJobMappingMapper;
 
     private RenderWorkerEntity getWorker(@NonNull WorkerAuthReqVo req) {
         String accessKey = req.getAccessKey();
@@ -224,26 +229,11 @@ public class TaskTaskServiceImpl implements TaskService {
         } else {
             updTemplateList = templateRepository.getAllEnabledTemplateList();
         }
-        RenderWorkerConfigManager configManager = repository.getWorkerConfigManager(worker.getId());
         try {
             if (lock.tryLock(2, TimeUnit.SECONDS)) {
                 try {
-                    List<TaskRespVO> taskList;
-                    if (Strings.isNotBlank(configManager.getString("scenic_only"))) {
-                        taskList = taskMapper.selectNotRunningByScenicList(configManager.getString("scenic_only"));
-                    } else {
-                        var _taskList = taskMapper.selectNotRunning();
-                        taskList = _taskList.stream().filter(task -> {
-                            boolean workerSelfHostedScenic = isWorkerSelfHostedScenic(task.getScenicId());
-                            return !workerSelfHostedScenic;
-                        }).limit(1).toList();
-                    }
-                    resp.setTasks(taskList);
+                    resp.setTasks(Collections.emptyList());
                     resp.setTemplates(updTemplateList);
-                    taskList.forEach(task -> {
-                        taskMapper.assignToWorker(task.getId(), worker.getId());
-                        videoTaskRepository.clearTaskCache(task.getId());
-                    });
                 } finally {
                     lock.unlock();
                 }
@@ -552,10 +542,6 @@ public class TaskTaskServiceImpl implements TaskService {
             videoMapper.add(video);
         }
         ScenicConfigManager scenicConfig = scenicRepository.getScenicConfigManager(task.getScenicId());
-        IStorageAdapter adapter = scenicService.getScenicTmpStorageAdapter(task.getScenicId());
-        String hash = MD5.create().digestHex(task.getTaskParams() + task.getFaceId().toString());
-        String filename = StorageUtil.joinPath(StorageConstant.VLOG_PATH, task.getTemplateId().toString() + "_" + hash + "_" + task.getScenicId() + ".mp4");
-        adapter.setAcl(StorageAcl.PUBLIC_READ, filename);
         int isBuy = 0;
         FaceEntity face = faceRepository.getFace(task.getFaceId());
         if (face != null) {
@@ -729,6 +715,21 @@ public class TaskTaskServiceImpl implements TaskService {
                 CreatePreviewResponse response = renderJobIntegrationService.createPreview(request);
                 log.info("[灰度测试] 渲染预览任务创建成功, taskId: {}, renderJobId: {}, playUrl: {}",
                         taskId, response.getJobId(), response.getPlayUrl());
+
+                // 写入mapping表，供轮询服务处理
+                try {
+                    TaskRenderJobMappingEntity mapping = new TaskRenderJobMappingEntity();
+                    mapping.setTaskId(taskId);
+                    mapping.setRenderJobId(response.getJobId());
+                    mapping.setRenderStatus(TaskRenderJobMappingEntity.STATUS_PENDING);
+                    mapping.setPublishedCount(0);
+                    mapping.setSegmentCount(0);
+                    mapping.setRetryCount(0);
+                    taskRenderJobMappingMapper.insert(mapping);
+                    log.info("[灰度测试] 写入mapping成功, taskId: {}, renderJobId: {}", taskId, response.getJobId());
+                } catch (Exception ex) {
+                    log.warn("[灰度测试] 写入mapping失败，不影响主流程, taskId: {}, error: {}", taskId, ex.getMessage());
+                }
             } catch (Exception e) {
                 // 灰度测试：不管返回什么或者报错，都不影响现有流程
                 log.warn("[灰度测试] 渲染预览任务创建失败，不影响主流程, taskId: {}, templateId: {}, error: {}",

src/main/java/com/ycwl/basic/watchdog/TaskWatchDog.java

@@ -1,167 +0,0 @@
-package com.ycwl.basic.watchdog;
-
-import com.ycwl.basic.integration.message.dto.ZtMessage;
-import com.ycwl.basic.integration.message.service.ZtMessageProducerService;
-import com.ycwl.basic.mapper.TaskMapper;
-import com.ycwl.basic.model.pc.task.entity.TaskEntity;
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Profile;
-import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.stereotype.Component;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-@Component
-@Profile("prod")
-public class TaskWatchDog {
-
-    @Autowired
-    private TaskMapper taskMapper;
-
-    @Autowired
-    private ZtMessageProducerService ztMessageProducerService;
-
-    // 异常通知计数器
-    private final Map<String, Integer> notificationCounters = new HashMap<>();
-
-    // 配置参数
-    private static final int MAX_NOTIFICATION_COUNT = 3; // 每种异常最多通知3次
-
-    // 异常类型标识
-    private static final String TASK_BACKLOG = "task_backlog";
-    private static final String FAILED_TASKS = "failed_tasks";
-    private static final String LONG_RUNNING_TASK_PREFIX = "long_running_task_"; // 长时间运行任务前缀
-
-    @Scheduled(fixedDelay = 1000 * 60L)
-    public void scanTaskStatus() {
-        List<TaskEntity> allNotRunningTaskList = taskMapper.selectAllNotRunning();
-        List<TaskEntity> allFailedTaskList = taskMapper.selectAllFailed();
-        List<TaskEntity> allRunningTaskList = taskMapper.selectAllRunning();
-
-        // 检查任务积压
-        checkTaskBacklog(allNotRunningTaskList);
-
-        // 检查失败任务
-        checkFailedTasks(allFailedTaskList);
-
-        // 检查长时间运行任务
-        checkLongRunningTasks(allRunningTaskList);
-    }
-
-    /**
-     * 检查任务积压
-     */
-    private void checkTaskBacklog(List<TaskEntity> notRunningTasks) {
-        if (notRunningTasks.size() > 10) {
-            if (shouldSendNotification(TASK_BACKLOG)) {
-                String content = String.format("当前任务队列中存在超过10个未运行任务，请及时处理！未运行任务数量：%d", notRunningTasks.size());
-                sendNotification("任务堆积警告", content, TASK_BACKLOG);
-            }
-        } else {
-            // 异常已恢复，重置计数器
-            resetNotificationCounter(TASK_BACKLOG);
-        }
-    }
-
-    /**
-     * 检查失败任务
-     */
-    private void checkFailedTasks(List<TaskEntity> failedTasks) {
-        if (failedTasks.size() > 5) {
-            if (shouldSendNotification(FAILED_TASKS)) {
-                String content = String.format("当前存在超过5个失败任务（status=3），请及时检查和处理！失败任务数量：%d", failedTasks.size());
-                sendNotification("任务失败警告", content, FAILED_TASKS);
-            }
-        } else {
-            // 异常已恢复，重置计数器
-            resetNotificationCounter(FAILED_TASKS);
-        }
-    }
-
-    /**
-     * 检查长时间运行任务
-     */
-    private void checkLongRunningTasks(List<TaskEntity> runningTasks) {
-        Set<String> currentLongRunningTasks = new HashSet<>();
-
-        for (TaskEntity taskEntity : runningTasks) {
-            if (taskEntity.getStartTime() == null) {
-                continue;
-            }
-            // startTime已经过去3分钟了
-            if (System.currentTimeMillis() - taskEntity.getStartTime().getTime() > 1000 * 60 * 3) {
-                String taskKey = LONG_RUNNING_TASK_PREFIX + taskEntity.getId();
-                currentLongRunningTasks.add(taskKey);
-
-                if (shouldSendNotification(taskKey)) {
-                    String content = String.format("当前【%s】渲染机的【%d】任务已超过3分钟未完成！",
-                            taskEntity.getWorkerId(), taskEntity.getId());
-                    sendNotification("长时间运行任务警告", content, taskKey);
-                }
-            }
-        }
-
-        // 清理已恢复正常的长时运行任务的计数器
-        cleanupLongRunningTaskCounters(currentLongRunningTasks);
-    }
-
-    /**
-     * 清理已恢复正常的长时运行任务的计数器
-     */
-    private void cleanupLongRunningTaskCounters(Set<String> currentLongRunningTasks) {
-        Set<String> keysToRemove = new HashSet<>();
-
-        for (String key : notificationCounters.keySet()) {
-            if (key.startsWith(LONG_RUNNING_TASK_PREFIX)) {
-                if (!currentLongRunningTasks.contains(key)) {
-                    keysToRemove.add(key);
-                }
-            }
-        }
-
-        // 移除已恢复任务的计数器
-        for (String key : keysToRemove) {
-            notificationCounters.remove(key);
-        }
-    }
-
-    /**
-     * 判断是否应该发送通知
-     */
-    private boolean shouldSendNotification(String abnormalType) {
-        int count = notificationCounters.getOrDefault(abnormalType, 0);
-        return count < MAX_NOTIFICATION_COUNT;
-    }
-
-    /**
-     * 发送通知并更新计数器
-     */
-    private void sendNotification(String title, String content, String abnormalType) {
-        ZtMessage ztMessage = ZtMessage.of(
-                "serverchan",
-                title,
-                content,
-                "system"
-        );
-        ztMessage.setSendReason("任务监控");
-        ztMessage.setSendBiz("系统监控");
-
-        ztMessageProducerService.send(ztMessage);
-
-        // 更新通知计数器
-        int currentCount = notificationCounters.getOrDefault(abnormalType, 0);
-        notificationCounters.put(abnormalType, currentCount + 1);
-    }
-
-    /**
-     * 重置通知计数器（异常恢复时调用）
-     */
-    private void resetNotificationCounter(String abnormalType) {
-        notificationCounters.remove(abnormalType);
-    }
-}

src/main/resources/mapper/TaskRenderJobMappingMapper.xml

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ycwl.basic.mapper.task.TaskRenderJobMappingMapper">
+
+    <resultMap id="BaseResultMap" type="com.ycwl.basic.model.task.entity.TaskRenderJobMappingEntity">
+        <id column="id" property="id"/>
+        <result column="task_id" property="taskId"/>
+        <result column="render_job_id" property="renderJobId"/>
+        <result column="render_status" property="renderStatus"/>
+        <result column="published_count" property="publishedCount"/>
+        <result column="segment_count" property="segmentCount"/>
+        <result column="preview_url" property="previewUrl"/>
+        <result column="mp4_url" property="mp4Url"/>
+        <result column="error_code" property="errorCode"/>
+        <result column="error_message" property="errorMessage"/>
+        <result column="retry_count" property="retryCount"/>
+        <result column="last_check_time" property="lastCheckTime"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id, task_id, render_job_id, render_status, published_count, segment_count,
+        preview_url, mp4_url, error_code, error_message, retry_count, last_check_time,
+        create_time, update_time
+    </sql>
+
+    <select id="selectByTaskId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM task_render_job_mapping
+        WHERE task_id = #{taskId}
+    </select>
+
+    <select id="selectByRenderJobId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM task_render_job_mapping
+        WHERE render_job_id = #{renderJobId}
+    </select>
+
+    <select id="selectPendingForPolling" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM task_render_job_mapping
+        WHERE render_status IN
+        <foreach collection="statuses" item="status" open="(" separator="," close=")">
+            #{status}
+        </foreach>
+        AND (
+            last_check_time IS NULL
+            OR last_check_time &lt; DATE_SUB(NOW(), INTERVAL #{checkIntervalSeconds} SECOND)
+        )
+        AND retry_count &lt; 10
+        ORDER BY last_check_time ASC, create_time ASC
+        LIMIT #{limit}
+    </select>
+
+    <update id="updateRenderStatus">
+        UPDATE task_render_job_mapping
+        SET render_status = #{renderStatus},
+            published_count = #{publishedCount},
+            segment_count = #{segmentCount},
+            <if test="previewUrl != null">
+                preview_url = #{previewUrl},
+            </if>
+            <if test="mp4Url != null">
+                mp4_url = #{mp4Url},
+            </if>
+            last_check_time = #{lastCheckTime},
+            update_time = NOW()
+        WHERE id = #{id}
+    </update>
+
+    <update id="updateToFailed">
+        UPDATE task_render_job_mapping
+        SET render_status = 'FAILED',
+            error_code = #{errorCode},
+            error_message = #{errorMessage},
+            last_check_time = #{lastCheckTime},
+            update_time = NOW()
+        WHERE id = #{id}
+    </update>
+
+    <update id="incrementRetryCount">
+        UPDATE task_render_job_mapping
+        SET retry_count = retry_count + 1,
+            update_time = NOW()
+        WHERE id = #{id}
+    </update>
+
+</mapper>