forked from dyf/fys-Multi-tenant
DragonWenLong
9bbddee1d5
- 实现文本转语音功能，支持多种声音、语速、音量等参数调节 - 集成阿里云TTS服务，支持访问令牌自动刷新与缓存 - 提供HTTP客户端配置与请求处理逻辑 - 支持生成标准PCM数据及WAV格式音频文件 - 实现音频文件保存与错误处理机制 - 添加参数校验与日志记录功能 - 集成Redis缓存管理访问令牌- 支持URL编码与请求构建逻辑 - 实现响应处理与音频数据写入文件功能 - 添加静默删除临时文件与错误响应处理机制
84 lines
2.5 KiB
Java
84 lines
2.5 KiB
Java
package com.fuyuanshen.app.service;
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import com.fuyuanshen.web.util.VideoProcessUtil;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.File;
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import java.util.Arrays;
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import java.util.List;
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/**
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* 视频处理服务
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*/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class VideoProcessService {
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// 配置参数
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private static final int MAX_VIDEO_SIZE = 10 * 1024 * 1024;
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private static final List<String> SUPPORTED_FORMATS = Arrays.asList(".mp4", ".avi", ".mov", ".mkv");
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private static final int FRAME_RATE = 15;
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private static final int DURATION = 2;
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private static final int WIDTH = 160;
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private static final int HEIGHT = 80;
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private final VideoProcessUtil videoProcessUtil;
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public List<String> processVideo(MultipartFile file) {
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// 1. 参数校验
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validateVideoFile(file);
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File tempFile = null;
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try {
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// 2. 创建临时文件
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tempFile = videoProcessUtil.createTempVideoFile(file);
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// 3. 处理视频并提取帧数据
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List<String> hexList = videoProcessUtil.processVideoToHex(
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tempFile, FRAME_RATE, DURATION, WIDTH, HEIGHT
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);
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log.info("视频处理成功，生成Hex数据长度: {}", hexList.size());
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return hexList;
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} catch (Exception e) {
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log.error("视频处理失败", e);
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throw new RuntimeException("视频处理失败", e);
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} finally {
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// 4. 清理临时文件
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videoProcessUtil.deleteTempFile(tempFile);
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}
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}
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/**
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* 验证视频文件
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*/
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private void validateVideoFile(MultipartFile file) {
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if (file == null || file.isEmpty()) {
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throw new IllegalArgumentException("上传文件不能为空");
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}
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if (!isVideoFile(file.getOriginalFilename())) {
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throw new IllegalArgumentException("只允许上传视频文件");
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}
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if (file.getSize() > MAX_VIDEO_SIZE) {
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throw new IllegalArgumentException("视频大小不能超过10MB");
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}
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}
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/**
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* 判断是否是支持的视频格式
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*/
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private boolean isVideoFile(String filename) {
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if (filename == null || filename.lastIndexOf('.') == -1) {
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return false;
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}
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String ext = filename.substring(filename.lastIndexOf('.')).toLowerCase();
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return SUPPORTED_FORMATS.contains(ext);
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}
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} |