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@@ -3,6 +3,10 @@ package com.huimv.receive.common.utils;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.lang.UUID;
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import com.jcraft.jsch.*;
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+import org.bytedeco.ffmpeg.avcodec.AVCodec;
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+import org.bytedeco.javacv.FFmpegFrameGrabber;
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+import org.bytedeco.javacv.FFmpegFrameRecorder;
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+import org.bytedeco.javacv.Frame;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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@@ -12,6 +16,7 @@ import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.*;
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+import java.nio.file.Files;
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import java.util.Date;
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@Component
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@@ -178,6 +183,107 @@ public class UploadImage {
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}
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}
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+ //上传压缩的视频
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+ public String getVideoCom(MultipartFile image) throws IOException {
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+ String originalFilename = image.getOriginalFilename();
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+ String filenameExtension = StringUtils.getFilenameExtension(originalFilename);
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+ String path = DateUtil.format(new Date(), "yyyy-MM");
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+ try {
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+ InputStream inputStream = image.getInputStream();
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+ BufferedInputStream in = new BufferedInputStream(inputStream);
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+ ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
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+
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+ byte[] temp = new byte[1024];
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+ int size = 0;
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+ while ((size = in.read(temp)) != -1) {
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+ out.write(temp, 0, size);
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+ }
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+ in.close();
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+ byte[] content = out.toByteArray();
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+ String imgname = UUID.randomUUID() + "." + filenameExtension;
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+ sshSftp(content, path, imgname);
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+ return url + path + "/" + imgname;
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ return "上传失败";
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+ }
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+
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+// //获取文件输入流
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+// InputStream inputStream = image.getInputStream();
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+// String originalFilename = image.getOriginalFilename();
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+// String filenameExtension = StringUtils.getFilenameExtension(originalFilename);
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+// String path = DateUtil.format(new Date(), "yyyy-MM");
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+//
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+// try {
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+//
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+// File tempFile = new File("tempVideo.mp4");
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+// image.transferTo(tempFile);
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+////
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+//// // 使用FFmpegFrameGrabber读取视频信息
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+//// FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(tempFile);
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+//// grabber.start();
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+////
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+//// // 创建输出文件
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+//// File compressedFile = new File("compressedVideo.mp4");
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+////
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+//// // 使用FFmpegFrameRecorder进行压缩
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+//// FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(compressedFile, grabber.getImageWidth(), grabber.getImageHeight(), grabber.getAudioChannels());
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+//// recorder.setInterleaved(true);
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+//// recorder.setVideoOption("preset", "ultrafast"); // 设置压缩速度，可以根据需要调整
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+//// recorder.setVideoOption("crf", "40"); // 设置视频质量，范围通常是0-51，值越大压缩率越高，质量越低
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+//// recorder.setVideoCodec(findH264Encoder(recorder)); // 查找并设置H.264编解码器
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+//// recorder.setFormat("mp4");
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+//// recorder.setFrameRate(grabber.getFrameRate());
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+//// recorder.setSampleRate(grabber.getSampleRate());
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+//// recorder.setAudioBitrate(grabber.getAudioBitrate());
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+//// recorder.setVideoBitrate(grabber.getVideoBitrate() / 2); // 压缩一半的视频比特率
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+////
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+//// // 开始录制并压缩视频
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+//// recorder.start();
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+//// Frame frame;
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+//// while ((frame = grabber.grabFrame()) != null) {
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+//// recorder.record(frame);
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+//// }
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+//// recorder.stop();
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+//// grabber.stop();
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+////
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+//// // 读取压缩后的视频为字节数组
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+//// byte[] compressedVideoBytes = Files.readAllBytes(compressedFile.toPath());
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+////
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+//// // 删除临时文件
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+//// tempFile.delete();
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+//// compressedFile.delete();
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+////
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+// String imgname = UUID.randomUUID() + "." + filenameExtension;
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+// sshSftp(image, path, imgname);
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+// return url+ path + "/" + imgname;
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+// } catch (Exception e) {
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+// e.printStackTrace();
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+// return "上传失败";
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+// } finally {
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+// inputStream.close();
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+// }
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+ }
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+
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+// private int findH264Encoder(FFmpegFrameRecorder recorder) {
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+// AVCodec codec = null;
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+//
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+// AVCodec.avcodec_register_all(); // 注册所有编解码器
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+// for (AVCodec.AVCodecDescriptor desc : AVCodec.avcodec_descriptor_get(null)) {
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+// if (desc.type() == AVCodec.AVMEDIA_TYPE_VIDEO &&
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+// desc.id() != AVCodec.AV_CODEC_ID_NONE &&
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+// desc.name().equals("libx264")) { // libx264是H.264的常用编码器名称
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+// codec = AVCodec.avcodec_find_encoder(desc.id());
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+// break;
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+// }
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+// }
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+// if (codec == null) {
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+// throw new RuntimeException("H.264 encoder not found");
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+// }
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+// return codec.id();
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+// }
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+
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+
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}
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