Qt实践|HTTP知识点-使用百度AI语音识别服务
目录基本概念代码与实例基本概念这里来简单介绍下百度的REST API文档,首先是获取Access Token获取到了后,再发送请求,进行语音识别。这里我采用Raw方式上传这个就是百度AI语音识别服务的API,这里我自己录了一段话:注意他的格式和参数代码与实例程序运行截图如下:这个识别还是比较准确的。...
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目录
基本概念
这里来简单介绍下百度的REST API文档,首先是获取Access Token
获取到了后,再发送请求,进行语音识别。
这里我采用Raw方式上传
这个就是百度AI语音识别服务的API,
这里我自己录了一段话:
注意他的格式和参数
代码与实例
程序运行截图如下:
这个识别还是比较准确的。
源代码如下:
#include <QCoreApplication>
#include <QNetworkReply>
#include <QNetworkAccessManager>
#include <QMap>
#include <QJsonDocument>
#include <QFile>
#include <QEventLoop>
#include <QObject>
const QString AppID = "XXXXXXXXXXXX";
const QString APIKey = "XXXXXXXXXXXX";
const QString SecretKey = "XXXXXXXXXXXX";
static QString AccessToken = ""; //程序中获取
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QNetworkAccessManager *manager = new QNetworkAccessManager;
QNetworkRequest *request = new QNetworkRequest;
//获取Access Token
QString tokenUrlStr = "https://aip.baidubce.com/oauth/2.0/token";
request->setUrl(tokenUrlStr);
QString tokenBody = QString("grant_type=client_credentials&client_id=%1&client_secret=%2").arg(APIKey).arg(SecretKey);
QNetworkReply *reply = manager->post(*request, tokenBody.toUtf8());
QEventLoop loop;
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
QMap<QString, QVariant> map = QJsonDocument().fromJson(reply->readAll()).toVariant().toMap();
AccessToken = map.find("refresh_token").value().toString();
qDebug() << "get AccessToken finised! The AccessToken is : " << AccessToken;
QString requestUrl = QString("http://vop.baidu.com/server_api?cuid=123456&token=%1").arg(AccessToken);
request->setUrl(requestUrl);
request->setHeader(QNetworkRequest::ContentTypeHeader, "audio/wav;rate=16000");
request->setRawHeader("format", "wav");
QFile file("E:\\Qt2019\\voiceDemo\\test3.wav");
if(!file.open(QIODevice::ReadOnly)){
qDebug() << "open wav filed!";
return 0;
}
reply = manager->post(*request, file.readAll());
file.close();
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
qDebug() << QString::fromUtf8(reply->readAll());
delete request;
delete manager;
return a.exec();
}
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