From 262d75a02882c218b99be85d737c95324c7131d4 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Wed, 14 Jan 2026 15:16:37 +0800
Subject: [PATCH] refactor(ai): 将视频播放功能提取到独立控制器
---
src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java | 205 ---------------------------------------------------
1 files changed, 0 insertions(+), 205 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java b/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
index 838615e..2044b93 100644
--- a/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
+++ b/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
@@ -78,209 +78,4 @@
}
- public static final String baseUploadDir = "/home/javaweb/webresource/ai/file";
-
- @GetMapping("/play/{fileName}")
- public void playVideo(@PathVariable("fileName") String fileName, HttpServletRequest request, HttpServletResponse response) {
- log.info("开始播放视频文件: {}", fileName);
-
- // 配置参数
- final int BUFFER_SIZE = 1024 * 1024; // 1MB缓冲区，提高I/O性能
- final long MAX_INITIAL_SEGMENT = 1024 * 1024 * 15; // 最大初始片段大小（15MB），约30秒中等码率视频
-
- try {
- String companyId = LoginUserUtil.getLoginUser().getCompanyId();
- String uploadDir = baseUploadDir + "/" + companyId;
- Path filePath = Paths.get(uploadDir, fileName);
-
- // 检查文件是否存在
- if (!Files.exists(filePath)) {
- log.warn("视频文件不存在: {}", filePath);
- response.setStatus(HttpStatus.NOT_FOUND.value());
- return;
- }
-
- // 检查文件是否为常规文件
- if (!Files.isRegularFile(filePath)) {
- log.warn("路径不是常规文件: {}", filePath);
- response.setStatus(HttpStatus.BAD_REQUEST.value());
- return;
- }
-
- // 获取文件大小
- long fileSize = Files.size(filePath);
- log.debug("视频文件大小: {} bytes", fileSize);
-
- // 检查是否有Range请求头
- String rangeHeader = request.getHeader("Range");
- if (rangeHeader != null) {
- log.debug("收到Range请求: {}", rangeHeader);
- // 解析Range头，格式为"bytes=start-end"
- String[] ranges = rangeHeader.replace("bytes=", "").split("-");
- long start = 0, end = fileSize - 1;
-
- try {
- if (!ranges[0].isEmpty()) {
- start = Long.parseLong(ranges[0]);
- }
- if (ranges.length > 1 && !ranges[1].isEmpty()) {
- end = Long.parseLong(ranges[1]);
- } else {
- // 如果没有指定结束位置，返回从开始位置到文件末尾的内容
- // 但限制最大长度，避免一次性传输过大的内容
- end = Math.min(start + BUFFER_SIZE * 10, fileSize - 1);
- }
- } catch (NumberFormatException e) {
- log.error("无效的Range头格式: {}", rangeHeader, e);
- response.setStatus(HttpStatus.BAD_REQUEST.value());
- return;
- }
-
- // 确保范围有效
- if (start > end || start >= fileSize) {
- log.warn("无效的Range范围: {}-{}，文件大小: {}", start, end, fileSize);
- response.setStatus(HttpStatus.REQUESTED_RANGE_NOT_SATISFIABLE.value());
- response.setHeader("Content-Range", "bytes */" + fileSize);
- return;
- }
-
- // 限制结束位置不超过文件大小
- if (end >= fileSize) {
- end = fileSize - 1;
- }
-
- // 计算内容长度
- long contentLength = end - start + 1;
- log.debug("处理Range请求: {}-{}，长度: {}", start, end, contentLength);
-
- // 设置响应状态和头部信息
- response.setStatus(HttpStatus.PARTIAL_CONTENT.value());
- response.setContentType(getContentTypeByExtension(fileName));
- response.setContentLengthLong(contentLength);
- response.setHeader("Content-Range", "bytes " + start + "-" + end + "/" + fileSize);
- response.setHeader("Accept-Ranges", "bytes");
- response.setHeader("Content-Disposition", "inline; filename=\"" + fileName + "\"");
- response.setHeader("Cache-Control", "public, max-age=3600"); // 添加缓存控制
-
- // 使用NIO提高读取性能
- try (RandomAccessFile randomAccessFile = new RandomAccessFile(filePath.toFile(), "r");
- OutputStream outputStream = response.getOutputStream()) {
-
- randomAccessFile.seek(start);
- byte[] buffer = new byte[BUFFER_SIZE];
- long remaining = contentLength;
- int bytesRead;
-
- while (remaining > 0 && (bytesRead = randomAccessFile.read(buffer, 0, (int) Math.min(buffer.length, remaining))) != -1) {
- outputStream.write(buffer, 0, bytesRead);
- remaining -= bytesRead;
-
- // 定期刷新输出流，避免缓冲区溢出
- if (remaining % (BUFFER_SIZE * 4) == 0) {
- outputStream.flush();
- }
- }
-
- // 确保所有数据都被写入
- outputStream.flush();
- log.debug("Range请求处理完成: {}-{}", start, end);
- }
- } else {
- log.debug("收到完整文件请求，返回初始片段");
-
- // 没有Range头，返回文件大小的10分之一和15MB中较小的那个
- long oneTenthSize = fileSize / 10;
- // 计算10分之一和15MB的较小值
- long maxInitialSize = Math.min(oneTenthSize, MAX_INITIAL_SEGMENT);
- // 确保至少返回1字节，且不超过文件大小
- long actualEnd = Math.min(Math.max(maxInitialSize, 1), fileSize - 1);
- log.debug("返回初始片段: {} bytes (10分之一大小: {} bytes, 15MB限制: {} bytes, 文件总大小: {} bytes)",
- actualEnd + 1, oneTenthSize, MAX_INITIAL_SEGMENT, fileSize);
-
- // 设置响应状态和头部信息
- response.setStatus(HttpStatus.PARTIAL_CONTENT.value()); // 使用206状态码，因为只返回部分内容
- response.setContentType(getContentTypeByExtension(fileName));
- response.setContentLengthLong(actualEnd + 1);
- response.setHeader("Content-Range", "bytes 0-" + actualEnd + "/" + fileSize);
- response.setHeader("Accept-Ranges", "bytes");
- response.setHeader("Content-Disposition", "inline; filename=\"" + fileName + "\"");
- response.setHeader("Cache-Control", "public, max-age=3600"); // 添加缓存控制
-
- // 流式传输文件的初始片段
- try (InputStream inputStream = Files.newInputStream(filePath);
- OutputStream outputStream = response.getOutputStream()) {
- byte[] buffer = new byte[BUFFER_SIZE];
- long written = 0;
- int bytesRead;
-
- while (written <= actualEnd && (bytesRead = inputStream.read(buffer)) != -1) {
- long toWrite = Math.min(bytesRead, actualEnd + 1 - written);
- outputStream.write(buffer, 0, (int)toWrite);
- written += toWrite;
-
- // 定期刷新输出流
- if (written % (BUFFER_SIZE * 4) == 0) {
- outputStream.flush();
- }
-
- // 如果已经写完初始片段，则停止
- if (written > actualEnd) {
- break;
- }
- }
-
- // 确保所有数据都被写入
- outputStream.flush();
- log.debug("初始片段传输完成，大小: {} bytes", written);
- }
- }
- } catch (Exception e) {
- log.error("播放视频文件时发生错误: {}", fileName, e);
- try {
- // 确保响应状态被设置
- if (!response.isCommitted()) {
- response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
- }
- } catch (Exception ex) {
- log.error("设置响应状态时发生错误", ex);
- }
- } finally {
- log.info("视频播放请求处理完成: {}", fileName);
- }
- }
-
- /**
- * 根据文件扩展名获取MIME类型
- */
- private String getContentTypeByExtension(String fileName) {
- String extension = "";
- int lastDotIndex = fileName.lastIndexOf('.');
- if (lastDotIndex > 0) {
- extension = fileName.substring(lastDotIndex).toLowerCase();
- }
-
- switch (extension) {
- case ".mp4":
- return "video/mp4";
- case ".avi":
- return "video/x-msvideo";
- case ".mov":
- return "video/quicktime";
- case ".wmv":
- return "video/x-ms-wmv";
- case ".flv":
- return "video/x-flv";
- case ".webm":
- return "video/webm";
- case ".mkv":
- return "video/x-matroska";
- case ".m3u8":
- return "application/vnd.apple.mpegurl";
- case ".ts":
- return "video/MP2T";
- default:
- return "application/octet-stream";
- }
- }
-
}
--
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