~nishiwei/ard-uav-server.git

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			package com.ard.quartz.task;

			import com.ard.common.utils.StringUtils;
			import com.ard.common.utils.file.MimeTypeUtils;
			import com.ard.oss.service.impl.OssServiceContext;
			import com.ard.work.domain.entity.ArdMediaPic;
			import com.ard.work.domain.entity.ArdMediaVideo;
			import com.ard.work.mapper.ArdMediaPicMapper;
			import com.ard.work.mapper.ArdMediaVideoMapper;
			import com.ard.work.util.osSelect;
			import lombok.extern.slf4j.Slf4j;
			import org.springframework.scheduling.annotation.Scheduled;
			import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
			import org.springframework.stereotype.Component;

			import javax.annotation.Resource;
			import javax.net.ssl.HttpsURLConnection;
			import javax.net.ssl.SSLContext;
			import javax.net.ssl.TrustManager;
			import javax.net.ssl.X509TrustManager;
			import java.io.*;
			import java.net.HttpURLConnection;
			import java.net.URL;
			import java.net.URLConnection;
			import java.nio.file.Files;
			import java.nio.file.Path;
			import java.security.cert.X509Certificate;
			import java.util.ArrayList;
			import java.util.Date;
			import java.util.List;
			import java.util.Set;
			import java.util.concurrent.CompletableFuture;
			import java.util.concurrent.ConcurrentHashMap;
			import java.util.concurrent.TimeUnit;
			import java.util.concurrent.atomic.AtomicBoolean;

			/**
			* 定时同步媒体任务
			*
			* @author ard
			*/
			@Component("MediaTask")
			@Slf4j
			public class MediaTask {
			@Resource
			private ArdMediaPicMapper ardMediaPicMapper;
			@Resource
			private ArdMediaVideoMapper ardMediaVideoMapper;
			@Resource
			private OssServiceContext ossServiceContext;
			@Resource(name = "mediaVideoExecutor")
			private ThreadPoolTaskExecutor mediaVideoExecutor;
			@Resource(name = "mediaPicExecutor")
			private ThreadPoolTaskExecutor mediaPicExecutor;

			private final AtomicBoolean runningVideo = new AtomicBoolean(false);
			private final AtomicBoolean runningPic = new AtomicBoolean(false);

			public void syncVideoMediaUrl() {
			log.warn("开始同步视频媒体");
			if (!runningVideo.compareAndSet(false, true)) {
			log.warn("上一次同步还没完成，跳过本次调度");
			return;
			}
			try {
			while (true) {
			List<ArdMediaVideo> videos = ardMediaVideoMapper.selectPendingVideos(10);
			if (videos.isEmpty()) {
			break; // 没有待处理视频，退出循环
			}
			for (ArdMediaVideo video : videos) {
			int updated = ardMediaVideoMapper.markProcessing(video.getId());
			if (updated != 1) continue;
			mediaVideoExecutor.execute(() -> processOneVideo(video));
			}
			Thread.sleep(200);
			}
			} catch (InterruptedException e) {
			Thread.currentThread().interrupt();
			} finally {
			runningVideo.set(false);
			}
			}

			public void syncPicMediaUrl() {
			log.warn("开始同步图片媒体");
			if (!runningPic.compareAndSet(false, true)) {
			log.warn("上一次同步还没完成，跳过本次调度");
			return;
			}
			try {
			while (true) {
			List<ArdMediaPic> pics = ardMediaPicMapper.selectPendingPics(10); // 查询待处理的图片
			if (pics.isEmpty()) {
			break; // 没有待处理图片，退出循环
			}
			for (ArdMediaPic pic : pics) {
			// 🔒 原子抢占：0 → 1
			int updated = ardMediaPicMapper.markProcessing(pic.getId());
			if (updated != 1) {
			continue; // 已被别的任务抢占
			}
			mediaPicExecutor.execute(() -> processOnePic(pic));
			}
			// 短暂 sleep，避免无限循环CPU空转
			Thread.sleep(200);
			}
			} catch (InterruptedException e) {
			Thread.currentThread().interrupt();
			} finally {
			runningPic.set(false);
			}
			}

			private void processOneVideo(ArdMediaVideo video) {
			int maxRetries = 3; // 最大重试次数
			int retryDelay = 3000; // 每次重试等待 3 秒
			int attempt = 0;

			while (attempt < maxRetries) {
			attempt++;
			try (InputStream is = openUrlInputStream(video.getSourceUrl())) {
			if (is != null) {
			String mediaUrl = ossServiceContext.upload(
			"record",
			video.getTaskId() + "/" + video.getId() + ".mp4",
			is,
			MimeTypeUtils.VIDEO_MP4
			);
			video.setMediaUrl(mediaUrl);

			// 生成视频缩略图
			processVideoThumbnail(video);

			video.setSyncStatus(2); // 成功
			break; // 上传成功，退出循环
			} else {
			log.warn("视频尚未生成，尝试重试 {}/{}", attempt, maxRetries);
			}
			} catch (Exception e) {
			log.error("视频同步异常 videoId={}, 尝试 {}/{}", video.getId(), attempt, maxRetries, e);
			}

			if (attempt < maxRetries) {
			try {
			Thread.sleep(retryDelay);
			} catch (InterruptedException e) {
			Thread.currentThread().interrupt();
			break;
			}
			} else {
			video.setSyncStatus(3); // 达到最大重试仍失败
			}
			}

			video.setUpdateTime(new Date());
			try {
			ardMediaVideoMapper.updateArdMediaVideo(video);
			} catch (Exception e) {
			log.error("更新视频状态失败 videoId={}", video.getId(), e);
			}
			}

			private void processOnePic(ArdMediaPic pic) {
			int maxRetries = 3; // 最大重试次数
			int retryDelay = 2000; // 每次重试等待 2 秒
			int attempt = 0;

			while (attempt < maxRetries) {
			attempt++;
			try (InputStream inputStream = openUrlInputStream(pic.getSourceUrl())) {
			if (inputStream != null) {
			String url = ossServiceContext.upload(
			"pic",
			pic.getTaskId() + "/" + pic.getId() + ".jpg",
			inputStream,
			MimeTypeUtils.IMAGE_JPG
			);
			pic.setMediaUrl(url);
			pic.setSyncStatus(2); // 成功
			break; // 上传成功，退出循环
			} else {
			log.warn("图片尚未生成，尝试重试 {}/{}", attempt, maxRetries);
			}
			} catch (Exception e) {
			log.error("图片同步异常 taskId={}, photoId={}, 尝试 {}/{}", pic.getTaskId(), pic.getId(), attempt, maxRetries, e);
			}

			if (attempt < maxRetries) {
			try {
			Thread.sleep(retryDelay);
			} catch (InterruptedException e) {
			Thread.currentThread().interrupt();
			break;
			}
			} else {
			pic.setSyncStatus(3); // 达到最大重试仍失败
			}
			}

			pic.setUpdateTime(new Date());
			try {
			ardMediaPicMapper.updatePic(pic);
			} catch (Exception e) {
			log.error("更新图片状态失败 photoId={}", pic.getId(), e);
			}
			}

			/**
			* 处理视频缩略图
			*/
			private void processVideoThumbnail(ArdMediaVideo video) {
			// 生成缩略图
			try (ByteArrayInputStream in = generateThumbnail(video.getSourceUrl())) {
			String thumbUrl = ossServiceContext.upload(
			"record",
			video.getTaskId() + "/" + video.getId() + ".jpg",
			in,
			MimeTypeUtils.IMAGE_JPEG
			);
			video.setThumbnailUrl(thumbUrl);
			} catch (Exception e) {
			log.warn("视频缩略图生成或上传失败 taskId={}, videoId={}", video.getTaskId(), video.getId(), e);
			}
			// 获取文件大小
			try {
			long videoSize = getFileSizeFromUrl(video.getSourceUrl());
			video.setFileSize(videoSize);
			} catch (Exception e) {
			log.warn("获取视频大小失败 url={}", video.getSourceUrl(), e);
			}
			}

			private long getFileSizeFromUrl(String fileUrl) throws IOException {
			URL url = new URL(fileUrl);
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setRequestMethod("HEAD");
			conn.setConnectTimeout(5000);
			conn.setReadTimeout(5000);
			conn.connect();
			long size = conn.getContentLengthLong(); // 返回字节数
			conn.disconnect();
			return size;
			}

			private ByteArrayInputStream generateThumbnail(String videoFile) {

			String ffmpeg = osSelect.isWindows()
			? "ffmpeg"
			: "/usr/local/ffmpeg/bin/ffmpeg";

			Path tempImg = null;
			try {
			tempImg = Files.createTempFile("thumb_", ".jpg");

			List<String> cmd = new ArrayList<>();
			cmd.add(ffmpeg);
			cmd.add("-y");
			cmd.add("-loglevel");
			cmd.add("error");
			cmd.add("-i");
			cmd.add(videoFile);
			cmd.add("-ss");
			cmd.add(String.valueOf(1));
			cmd.add("-vframes");
			cmd.add("1");
			cmd.add("-vf");
			cmd.add("scale=" + 200 + ":-1");
			cmd.add(tempImg.toAbsolutePath().toString());

			log.info("ffmpeg cmd: {}", String.join(" ", cmd));

			Process process = new ProcessBuilder(cmd).start();

			drain(process.getErrorStream());

			boolean finished = process.waitFor(15, TimeUnit.SECONDS); // 超时保护
			if (!finished) {
			process.destroyForcibly();
			throw new RuntimeException("ffmpeg timeout");
			}

			if (process.exitValue() != 0) {
			throw new RuntimeException("ffmpeg exit=" + process.exitValue());
			}

			byte[] data = Files.readAllBytes(tempImg);
			return new ByteArrayInputStream(data);

			} catch (Exception e) {
			throw new RuntimeException("生成缩略图失败", e);
			} finally {
			if (tempImg != null) {
			try {
			Files.deleteIfExists(tempImg);
			} catch (IOException ignore) {
			}
			}
			}
			}

			private static void drain(InputStream is) {
			new Thread(() -> {
			try (BufferedReader br = new BufferedReader(new InputStreamReader(is))) {
			while (br.readLine() != null) {
			}
			} catch (IOException ignore) {
			}
			}, "ffmpeg-stderr").start();
			}

			/**
			* 将 URL 转成 InputStream
			*
			* @param fileUrl 文件 URL
			* @return InputStream，如果失败返回 null
			*/
			private InputStream openUrlInputStream(String fileUrl) {
			try {
			URL url = new URL(fileUrl);
			// 支持 HTTPS 信任所有证书（如果需要访问自签名证书）
			if ("https".equalsIgnoreCase(url.getProtocol())) {
			TrustManager[] trustAllCerts = new TrustManager[]{
			new X509TrustManager() {
			@Override
			public void checkClientTrusted(X509Certificate[] chain, String authType) {
			}

			@Override
			public void checkServerTrusted(X509Certificate[] chain, String authType) {
			}

			@Override
			public X509Certificate[] getAcceptedIssuers() {
			return null;
			}
			}
			};
			SSLContext sc = SSLContext.getInstance("SSL");
			sc.init(null, trustAllCerts, new java.security.SecureRandom());
			HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
			HttpsURLConnection.setDefaultHostnameVerifier((hostname, session) -> true);
			}
			URLConnection connection = url.openConnection();
			connection.setConnectTimeout(5000);
			connection.setReadTimeout(10000);
			return connection.getInputStream();
			} catch (Exception e) {
			e.printStackTrace();
			return null;
			}
			}
			}