基于QT开发的调用百度AI平台图像识别及语音识别功能C++源码.zip

#include "speech.h" #include <http.h> #include <QMap> #include <QByteArray> #include <QMessageBox> #include <QJsonDocument> #include <QJsonArray> #include <QJsonObject> #include <QFile> #include <QHostInfo> #include <QDebug> const QString BaiduSpeechUrl = "https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=%1&client_secret=%2"; const QString BaiduSpeechClientID = "kB4C4e4ojyTgnsBIYBMM1DlO"; const QString BauduSpeechClientSecret = "BAo0fgL8ejScn5BFjhYPuM5Q8YN61nwl"; const QString BaiduSpeechSatrtUrl = "https://vop.baidu.com/pro_api?dev_pid=80001&cuid=%1&token=%2";/**< 识别方言 本机唯一标识 获取的token*/ /* * 80001 普通话 * */ /** * @brief speech::speech * @param parent */ speech::speech(QObject *parent) : QObject(parent) { } /** * @brief speech::speechIdentify * @param audioFile * @return */ QString speech::speechIdentify(QString audioFile) { if(audioFile.isEmpty()) { qDebug() << "文件名不存在"; return QString(""); } bool ret = false; /*获取access token*/ QString TokenUrl = QString(BaiduSpeechUrl).arg(BaiduSpeechClientID).arg(BauduSpeechClientSecret); QMap<QString ,QString>header; header.insert(QString("Content-Type") ,QString("audio/pcm;rate=16000")); QByteArray requestData; QByteArray replyData; /*accessToken一次获取可用30天*/ if(accessToken.isEmpty() == true) { ret = http::http_postrequst(TokenUrl ,header ,requestData ,replyData); if(ret) { QString key = "access_token"; accessToken = getJsonValue(replyData ,key); replyData.clear(); qDebug() << "获取的token" << accessToken; } else { } } /*识别语音请求*/ QString speechUrl = QString(BaiduSpeechSatrtUrl).arg(QHostInfo::localHostName()).arg(accessToken); /*把文件转换成QByteArray*/ QFile file; file.setFileName(audioFile); file.open(QIODevice::ReadOnly); requestData = file.readAll(); file.close(); if(requestData.isEmpty()) { return QString("语音数据为空"); } /*再次发起请求*/ ret = http::http_postrequst(speechUrl ,header ,requestData ,replyData); if(ret) { QString key = "result"; QString text = getJsonValue(replyData, key); return text; } else { QMessageBox::warning(nullptr, "识别提示", "识别失败"); } return QString(""); } /** * @brief speech::getJsonValue * @param data * @param key * @return */ QString speech::getJsonValue(QByteArray &data, QString &key) { QJsonParseError parseError; QJsonDocument jsonDocument = QJsonDocument::fromJson(data, &parseError); QString retStr = ""; if(parseError.error == QJsonParseError::NoError) { if(jsonDocument.isObject()) { /*jsonDocument转换成json对象*/ QJsonObject jsonObj = jsonDocument.object(); if(jsonObj.contains(key)) { QJsonValue jsonVal = jsonObj.value(key); if(jsonVal.isString()) { return jsonVal.toString(); } /*检查是否是数组*/ if(jsonVal.isArray()) { QJsonArray arr = jsonVal.toArray(); for(int index = 0;index < arr.size();index++) { QJsonValue subValue = arr.at(index); if(subValue.isString()) { retStr += subValue.toString() + " "; } } return retStr; } } else { qDebug() << "不包含关键字:" << key; }//contains(key) } else { qDebug() << "不是json对象"; }//isObject } else { qDebug() << "未成功解析JSON"; }//NoError qDebug() << "未成功解析JSON："<< data.data(); return QString(""); }