人工智能-项目实践-信息检索-基于HTK工具箱的音频检索系统

#include "kws.h" #include "init.h" #include "thread.h" #include "myaudio.h" #include "edit.h" KWS::KWS(QWidget *parent) : QWidget(parent),ui(new Ui::KWS) { ui->setupUi(this); init(ui, &qDialog); //初始化内部控件 init_widgetButton(); //初始化窗口关闭、最小化按钮 init_dict(); //初始化字典 init_dialog(); ui->pushButton_2->installEventFilter(this); ui->horizontalSlider->installEventFilter(this); connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(windowclose()) ); //窗口关闭 connect(ui->minButton, SIGNAL(clicked()), this, SLOT(windowmin())); //窗口最小化 player = new QMediaPlayer(); connect(ui->horizontalSlider, SIGNAL(sliderMoved(int)), this, SLOT(setPosition(int))); connect(ui->horizontalSlider_2,SIGNAL(sliderMoved(int)), this, SLOT(setVoice(int))); connect(player, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64))); connect(player, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64))); connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(handlePlayerStateChanged(QMediaPlayer::State))); } KWS::~KWS(){ delete ui; } //播放器模块 void KWS::on_pushButton_clicked(){ //提取音频的mfcc参数，并初始化播放器 audio_path = QFileDialog::getOpenFileName(this,"open this document",QDir::currentPath(),"allfiles(*.*)"); if(audio_path != ""){ ui->lineEdit->setText(audio_path); player->setMedia(QUrl::fromLocalFile(audio_path)); //初始化播放器 ui->horizontalSlider->setEnabled(true); ui->horizontalSlider_2->setEnabled(true); ui->horizontalSlider->setMouseTracking(true); ui->pushButton_2->setEnabled(true); } } void KWS::on_pushButton_2_clicked(){ //播放和暂停 if(ok){ player->play(); ok = false; }else{ player->pause(); ok = true; } } bool KWS::eventFilter(QObject *obj, QEvent *e){ if(obj == ui->pushButton_2){ QIcon icon; QPixmap pixmap1; if(e->type() == QEvent::Enter){ if(ui->pushButton_2->whatsThis() == "pause") pixmap1.load(":/image/play2.png"); else pixmap1.load(":/image/pause2.png"); icon.addPixmap(pixmap1); ui->pushButton_2->setIcon(icon); ui->pushButton_2->setIconSize(QSize(40,40)); } if(e->type() == QEvent::Leave){ if(ui->pushButton_2->whatsThis() == "play") pixmap1.load(":/image/pause1.png"); else pixmap1.load(":/image/play1.png"); icon.addPixmap(pixmap1); ui->pushButton_2->setIcon(icon); ui->pushButton_2->setIconSize(QSize(40,40)); } } if(obj == ui->horizontalSlider){ if(e->type() == QEvent::MouseButtonPress){ QMouseEvent *mevent; mevent = static_cast<QMouseEvent *>(e); qint64 position = mevent->pos().x()/701.0 * durat; setPosition(position); } } return QWidget::eventFilter(obj, e); } void KWS::positionChanged(qint64 position){ //监听当前播放时长是否发生变化 ui->horizontalSlider->setValue(position); int seconds = (position/1000) % 60; int minutes = (position/60000) % 60; int hours = (position/3600000) % 24; QTime time(hours, minutes,seconds); ui->label_2->setText(time.toString()); } void KWS::durationChanged(qint64 duration){ //监听音频总时长是否发生变化 ui->horizontalSlider->setRange(0, duration); int seconds = (duration/1000) % 60; int minutes = (duration/60000) % 60; int hours = (duration/3600000) % 24; QTime time(hours, minutes,seconds); ui->label_3->setText(time.toString()); durat = duration; } void KWS::handleSliderPressed(){ } void KWS::handlePlayerStateChanged(QMediaPlayer::State state){ //监听播放器的状态并进行相应的操作 QIcon icon; switch (state) { case QMediaPlayer::StoppedState:{ QPixmap pixmap2(":/image/play1.png"); icon.addPixmap(pixmap2); ui->pushButton_2->setIcon(icon); ui->pushButton_2->setWhatsThis("pause"); ok = true; break; } case QMediaPlayer::PausedState:{ QPixmap pixmap2(":/image/play1.png"); icon.addPixmap(pixmap2); ui->pushButton_2->setIcon(icon); ui->pushButton_2->setWhatsThis("pause"); break; } case QMediaPlayer::PlayingState:{ QPixmap pixmap2(":/image/pause1.png"); icon.addPixmap(pixmap2); ui->pushButton_2->setIcon(icon); ui->pushButton_2->setWhatsThis("play"); break; } default: break; } } void KWS::setPosition(int position){ //设置播放当前时间点的音频 player->setPosition(position); } void KWS::setVoice(int position){ //播放器音量控制 player->setVolume(position); QPixmap voice; if(position == 0) voice.load(":/image/volume0.png"); if(position > 0 && position <= 30) voice.load(":/image/volume1.png"); if(position > 30 && position <= 70) voice.load(":/image/volume2.png"); if(position > 70) voice.load(":/image/volume3.png"); QPixmap scaledPixmap = voice.scaled(QSize(27,27),Qt::KeepAspectRatio); ui->label_6->setPixmap(scaledPixmap); } //写入待检索拼音模块 void KWS::on_pushButton_5_clicked(){ //写入拼音并提交到listWidget QString input = ui->lineEdit_2->text(); if(input == ""){ QMessageBox::information(this,"提示","不可输入空字符串！！！",QMessageBox::Ok); return; } if(!isInDict(input)){ //判断输入是否合法 QMessageBox::information(this,"提示","请输入合法的拼音！！！",QMessageBox::Ok); return; } QWidget *wgtContainter = new QWidget; QHBoxLayout *hLayout = new QHBoxLayout(wgtContainter); QToolButton *pDeleteBtn = new QToolButton; QPixmap closePix = style()->standardPixmap(QStyle::SP_TitleBarCloseButton); pDeleteBtn->setIcon(closePix); connect(pDeleteBtn,SIGNAL(clicked()),this,SLOT(handlepDeleteBtnClick())); QLabel *filename = new QLabel(input); filename->setStyleSheet("font-family:微软雅黑"); pDeleteBtn->resize(45,20); pDeleteBtn->setCursor(Qt::PointingHandCursor); pDeleteBtn->setWhatsThis(QString::number(ui->listWidget->count(),10)); hLayout->addWidget(filename); hLayout->addStretch(1); hLayout->addWidget(pDeleteBtn); hLayout->setContentsMargins(5,0,0,5); wgtContainter->setLayout(hLayout); wgtContainter->show(); QListWidgetItem *fileItem = new QListWidgetItem(ui->listWidget); ui->listWidget->setItemWidget(fileItem,wgtContainter); fileItem->setSizeHint(QSize(100,40)); ui->listWidget->item(ui->listWidget->count()-1)->setWhatsThis(input); ui->lineEdit_2->setText(""); } bool KWS::isInDict(QString input){ QStringList inputlist = input.split(" "); int i,j; for(i=0; i<inputlist.length(); i++){ for(j=0; j<dict.size(); j++) if(inputlist[i] == dict[j]) break; if(j >= dict.size()) return false; } return true; } void KWS::handlepDeleteBtnClick(){ //删除拼音操作 QToolButton *button = (QToolButton*)sender(); int m = button->whatsThis().toInt(); QList<QToolButton *> pDelbtn = ui->listWidget->findChildren<QToolButton *>(); for(int q=m+1; q<pDelbtn.length(); q++){ int n = pDelbtn[q]->whatsThis().toInt(); pDelbtn[q]->setWhatsThis(QString::number(n-1,10)); } for(int i=m; i<ui->listWidget->count()-1; i++){ dist[i].clear(); for(int j=0; j<dist[i+1].size(); j++) dist[i].push_back(dist[i+1][j