建设网站什么软件好,百度seo如何优化,网站建设公司生存现状,政务公开做的好的网站有哪些原先传wav格式,后来发现前端生成的wav格式不完整 后端改mp3 其实是mp3和wav都可以接收
前端MP3和wav格式不正确,导致可以接收,但都无法计算时长
该文作废,可能导致音频分类不准确
修复TensorFlow放到生产后报错问题-CSDN博客
依赖 dependencygroupIdor…原先传wav格式,后来发现前端生成的wav格式不完整 后端改mp3 其实是mp3和wav都可以接收
前端MP3和wav格式不正确,导致可以接收,但都无法计算时长
该文作废,可能导致音频分类不准确
修复TensorFlow放到生产后报错问题-CSDN博客
依赖 dependencygroupIdorg.tensorflow/groupIdartifactIdtensorflow-core-api/artifactIdversion0.4.2/version/dependencydependencygroupIdorg.tensorflow/groupIdartifactIdtensorflow-core-api/artifactIdversion0.4.2/versionclassifierlinux-x86_64/classifier/dependencydependencygroupIdorg.tensorflow/groupIdartifactIdtensorflow-core-api/artifactIdversion0.4.2/versionclassifierwindows-x86_64/classifier/dependency!-- https://mvnrepository.com/artifact/com.googlecode.soundlibs/jlayer --dependencygroupIdcom.googlecode.soundlibs/groupIdartifactIdjlayer/artifactIdversion1.0.1.4/version/dependency TensorFlow工具类
package com.ruoyi.webapp.tensorflow;import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import javax.sound.sampled.*;
import java.io.*;
import java.nio.file.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.tensorflow.*;
import org.tensorflow.ndarray.*;
import org.tensorflow.proto.framework.MetaGraphDef;
import org.tensorflow.proto.framework.SignatureDef;
import org.tensorflow.types.TFloat32;
import com.google.protobuf.InvalidProtocolBufferException;import javazoom.jl.decoder.Bitstream;
import javazoom.jl.decoder.BitstreamException;
import javazoom.jl.decoder.Decoder;
import javazoom.jl.decoder.JavaLayerException;
import javazoom.jl.decoder.SampleBuffer;
import javazoom.jl.decoder.Header;Component
public class YamnetUtils3 {private static final int SAMPLE_RATE 16000;private static final int FRAME_SIZE_IN_MS 96;private static final int HOP_SIZE_IN_MS 48;//private static final String MODEL_PATH C:\\Users\\user\\Downloads\\archive;private static final String MODEL_PATH /usr/local/develop/archive; // TensorFlow 模型路径private static MapString, SignatureDef signatureDefMap;static {try (SavedModelBundle savedModelBundle SavedModelBundle.load(MODEL_PATH, serve)) {signatureDefMap MetaGraphDef.parseFrom(savedModelBundle.metaGraphDef().toByteArray()).getSignatureDefMap();} catch (InvalidProtocolBufferException e) {e.printStackTrace();}}private static final SignatureDef modelSig signatureDefMap.get(serving_default);private static final String inputTensorName modelSig.getInputsMap().get(waveform).getName();private static final String outputTensorName modelSig.getOutputsMap().get(output_0).getName();private static MapString, String map new ConcurrentHashMap();static {//String csvFile C:\\Users\\user\\Downloads\\archive\\assets\\yamnet_class_map.csv;String csvFile /usr/local/develop/archive/assets/yamnet_class_map.csv;try {ListString lines Files.readAllLines(Paths.get(csvFile));for (String line : lines) {String[] values line.split(,);map.put(values[0], values[2]);}} catch (IOException e) {e.printStackTrace();}}public String classifyAudio(MultipartFile file) throws IOException, UnsupportedAudioFileException {// Convert the MP3 file to a supported format (WAV)File wavFile convertMp3ToWav(file);// Process the converted filereturn yamnetPare(wavFile);}private File convertMp3ToWav(MultipartFile file) throws IOException {File tempFile File.createTempFile(temp, .wav);File mp3File File.createTempFile(temp, .mp3);file.transferTo(mp3File);try (FileInputStream mp3Stream new FileInputStream(mp3File);FileOutputStream wavStream new FileOutputStream(tempFile)) {Bitstream bitstream new Bitstream(mp3Stream);Decoder decoder new Decoder();// Write WAV headerwriteWavHeader(wavStream, 0, 1, SAMPLE_RATE, 16);Header header;while ((header bitstream.readFrame()) ! null) {SampleBuffer output (SampleBuffer) decoder.decodeFrame(header, bitstream);short[] samples output.getBuffer();for (short sample : samples) {wavStream.write(shortToBytes(sample));}bitstream.closeFrame();}// Update WAV header with data sizeupdateWavHeader(tempFile);} catch (Exception e) {throw new IOException(Failed to convert MP3 to WAV, e);}return tempFile;}private void writeWavHeader(OutputStream out, long totalAudioLen, int channels, long sampleRate, int bitDepth) throws IOException {long totalDataLen totalAudioLen 36;long byteRate sampleRate * channels * bitDepth / 8;byte[] header new byte[44];header[0] R; // RIFF/WAVE headerheader[1] I;header[2] F;header[3] F;header[4] (byte) (totalDataLen 0xff);header[5] (byte) ((totalDataLen 8) 0xff);header[6] (byte) ((totalDataLen 16) 0xff);header[7] (byte) ((totalDataLen 24) 0xff);header[8] W;header[9] A;header[10] V;header[11] E;header[12] f; // fmt chunkheader[13] m;header[14] t;header[15] ;header[16] 16; // 4 bytes: size of fmt chunkheader[17] 0;header[18] 0;header[19] 0;header[20] 1; // format 1header[21] 0;header[22] (byte) channels;header[23] 0;header[24] (byte) (sampleRate 0xff);header[25] (byte) ((sampleRate 8) 0xff);header[26] (byte) ((sampleRate 16) 0xff);header[27] (byte) ((sampleRate 24) 0xff);header[28] (byte) (byteRate 0xff);header[29] (byte) ((byteRate 8) 0xff);header[30] (byte) ((byteRate 16) 0xff);header[31] (byte) ((byteRate 24) 0xff);header[32] (byte) (2 * 16 / 8); // block alignheader[33] 0;header[34] (byte) bitDepth; // bits per sampleheader[35] 0;header[36] d;header[37] a;header[38] t;header[39] a;header[40] (byte) (totalAudioLen 0xff);header[41] (byte) ((totalAudioLen 8) 0xff);header[42] (byte) ((totalAudioLen 16) 0xff);header[43] (byte) ((totalAudioLen 24) 0xff);out.write(header, 0, 44);}private void updateWavHeader(File wavFile) throws IOException {RandomAccessFile wavRAF new RandomAccessFile(wavFile, rw);wavRAF.seek(4);wavRAF.write(intToBytes((int) (wavRAF.length() - 8)));wavRAF.seek(40);wavRAF.write(intToBytes((int) (wavRAF.length() - 44)));wavRAF.close();}private byte[] intToBytes(int value) {return new byte[]{(byte) (value 0xFF),(byte) ((value 8) 0xFF),(byte) ((value 16) 0xFF),(byte) ((value 24) 0xFF)};}private byte[] shortToBytes(short value) {return new byte[]{(byte) (value 0xFF),(byte) ((value 8) 0xFF)};}private FloatNdArray processAudio(File file) throws IOException, UnsupportedAudioFileException {try (AudioInputStream audioStream AudioSystem.getAudioInputStream(file)) {AudioFormat format audioStream.getFormat();if (format.getSampleRate() ! SAMPLE_RATE || format.getChannels() ! 1) {System.out.println(Warning: Audio must be 16kHz mono. Consider preprocessing.);}int frameSize (int) (SAMPLE_RATE * FRAME_SIZE_IN_MS / 1000);int hopSize (int) (SAMPLE_RATE * HOP_SIZE_IN_MS / 1000);byte[] buffer new byte[frameSize * format.getFrameSize()];short[] audioSamples new short[frameSize];ListFloat floatList new ArrayList();while (true) {int bytesRead audioStream.read(buffer);if (bytesRead -1) {break;}for (int i 0; i bytesRead / format.getFrameSize(); i) {audioSamples[i] (short) ((buffer[i * 2] 0xFF) | (buffer[i * 2 1] 8));}float[] floats normalizeAudio(audioSamples);for (float aFloat : floats) {floatList.add(aFloat);}System.arraycopy(audioSamples, hopSize, audioSamples, 0, frameSize - hopSize);}float[] floatArray new float[floatList.size()];for (int i 0; i floatList.size(); i) {floatArray[i] floatList.get(i);}return StdArrays.ndCopyOf(floatArray);}}private float[] normalizeAudio(short[] frame) {float[] normalizedFrame new float[frame.length];for (int i 0; i frame.length; i) {normalizedFrame[i] frame[i] / 32768f;}return normalizedFrame;}private String yamnetPare(File file) throws IOException, UnsupportedAudioFileException {FloatNdArray floatNdArray processAudio(file);TFloat32 tFloat32 TFloat32.tensorOf(floatNdArray);try (SavedModelBundle savedModelBundle SavedModelBundle.load(MODEL_PATH, serve)) {try (Session session savedModelBundle.session()) {ListTensor run session.runner().feed(inputTensorName, tFloat32).fetch(outputTensorName).run();Tensor tensor run.get(0);Shape shape tensor.shape();System.out.println(shape --------------------------------------------------);String key String.valueOf(shape.asArray()[0]);String value map.get(key);return value;}}}
}文件接口 //记录文件PostMapping(/reportUpload)//RequireVip//睡眠监测时 文件上传接口public AjaxResult reportUpload(MultipartFile file) throws IOException {try {//获取文件名String originalFilename file.getOriginalFilename();//获取时长秒//String wavDuration getWavDuration(file);//String wavDuration getWavDuration3(file);//String wavDuration getWavDuration55(file);String filePath RuoYiConfig.getUploadPath();///usr/local/nginx/html/upload/upload//上传并返回新文件路径String fileName FileUploadUtils.upload(filePath, file);//获取音频类型//String s yamnetUtils2.yamnetPare(file);String s yamnetUtils3.classifyAudio(file);//获取时长秒//String wavDuration getWavDuration(fileName);getMp3DurationString wavDuration getMp3Duration(fileName);if(!StringUtils.isEmpty(s)){if (!s.equals(Speech) !s.equals(Snoring) !s.equals(Cough)) {s Other;}TReportFile tReportFilenew TReportFile();tReportFile.setUid(getLoginUser().getUserId());tReportFile.setFileType(s);tReportFile.setLengths(wavDuration);tReportFile.setFilePath(fileName);//tReportFile.setCreateTime(new Date());tReportFileService.insertTReportFile(tReportFile);}return success();}catch (Exception e){e.printStackTrace();return error();}} //获取wav文件时长private String getWavDuration(String relativeFilePath) {String basePath /usr/local/nginx/html/upload;if (relativeFilePath.startsWith(/profile)) {relativeFilePath relativeFilePath.substring(8);}String fullPath basePath relativeFilePath;File file new File(fullPath);if (!file.exists()) {return File not found;}try (AudioInputStream audioInputStream AudioSystem.getAudioInputStream(file)) {AudioFileFormat fileFormat AudioSystem.getAudioFileFormat(file);long frameLength audioInputStream.getFrameLength();float frameRate fileFormat.getFormat().getFrameRate();float durationInSeconds frameLength / frameRate;return Math.round(durationInSeconds) s;} catch (UnsupportedAudioFileException | IOException e) {e.printStackTrace();return Error;}}//获取Mp3文件时长public static String getMp3Duration(String relativeFilePath) {String basePath /usr/local/nginx/html/upload;if (relativeFilePath.startsWith(/profile)) {relativeFilePath relativeFilePath.substring(8);}String fullPath basePath relativeFilePath;File file new File(fullPath);if (!file.exists()) {return File not found;}try (FileInputStream fileInputStream new FileInputStream(file)) {Bitstream bitstream new Bitstream(fileInputStream);Header header;int totalFrames 0;float totalDuration 0;while ((header bitstream.readFrame()) ! null) {totalDuration header.ms_per_frame();totalFrames;bitstream.closeFrame();}float durationInSeconds totalDuration / 1000.0f;return Math.round(durationInSeconds) s;} catch (IOException | BitstreamException e) {e.printStackTrace();return Error;}}
