基于Qt的多媒体播放器.zip

#include <iostream> #include <QVBoxLayout> #include <QHBoxLayout> #include <QPixmap> #include<QDebug> #include "player.h" #include "ui_player.h" #include<QTimer> #include<QDebug> #include<QApplication> #include<QDesktopWidget> using namespace std; Player::Player(QWidget *parent) :QMainWindow(parent),ui(new Ui::Player),p(NULL),puri(NULL), standardItemModel(new QStandardItemModel()) { timer = new QTimer(this); connect(timer, SIGNAL(timeout()), this, SLOT(mouseClick())); QHBoxLayout *hLayout; QHBoxLayout *hLayout2; QVBoxLayout *vLayout; //歌词窗口 timelbl=new QLabel(); timelbl->setAlignment(Qt::AlignHCenter); timelbl->setMargin(17); timelbl->adjustSize(); timelbl->setWindowFlags(Qt::Window | Qt::FramelessWindowHint|Qt::WindowStaysOnTopHint); timelbl->setAttribute(Qt::WA_TranslucentBackground); timelbl->resize(150,150); //窗体大小 //窗体居中 QDesktopWidget* desktop = QApplication::desktop(); int width = desktop->width(); int height = desktop->height(); timelbl->move((width - timelbl->width())/2, (height - timelbl->height())/1); QFont ft; ft.setPointSize(17); timelbl->setFont(ft); QPalette pa; pa.setColor(QPalette::WindowText,Qt::red); timelbl->setPalette(pa); ui->setupUi(this); media = new Phonon::MediaObject; vwidget = new Phonon::VideoWidget(ui->centralwidget); //播放器界面 Phonon::createPath(media,vwidget); //设置可播放的文件类型 vwidget->setAspectRatio(Phonon::VideoWidget::AspectRatioAuto); //音频输出 aOutput = new Phonon::AudioOutput(Phonon::VideoCategory); Phonon::createPath(media,aOutput); //声音控制条 volumeSlider = new Phonon::VolumeSlider; volumeSlider->setAudioOutput(aOutput); volumeSlider->setSizePolicy(QSizePolicy::Maximum,QSizePolicy::Maximum); seekSlider = new Phonon::SeekSlider; seekSlider->setMediaObject(media); hLayout = new QHBoxLayout; hLayout->addWidget(ui->pbPlay); hLayout->addWidget(ui->pbPause); hLayout->addWidget(ui->pbStop); hLayout->addWidget(seekSlider); hLayout->addWidget(volumeSlider); //hLayout->addWidget(ui->lbVolume); vLayout = new QVBoxLayout; vLayout->addWidget(vwidget); vLayout->addLayout(hLayout); hLayout2 = new QHBoxLayout; hLayout2->addLayout(vLayout); hLayout2->addWidget(ui->lvPlayList); hLayout2->setAlignment(ui->lvPlayList,Qt::AlignRight); ui->centralwidget->setLayout(hLayout2); for(int i = 0;i<managepl.getOriginListCount();i++) { QString filecompletename = managepl.getOneFilePath(i); int begin = filecompletename.lastIndexOf("/"); QStandardItem *item = new QStandardItem(filecompletename.mid(begin+1)); standardItemModel->appendRow(item); } ui->lvPlayList->setModel(standardItemModel); QAction *exitFullScreenAction = new QAction(vwidget); vwidget->addAction(exitFullScreenAction); vwidget->setAcceptDrops(true); exitFullScreenAction->setShortcuts(QList<QKeySequence>() << QKeySequence(Qt::Key_Escape)<< QKeySequence(Qt::Key_MediaStop)); connect(exitFullScreenAction, SIGNAL(triggered()), vwidget,SLOT(exitFullScreen())); //设置0.1秒发射一次 media->setTickInterval(100); //通过设置tick槽来获得当前播放时间 connect(media,SIGNAL(tick(qint64)),this,SLOT(showTime(qint64))); } Player::~Player() { if(p) delete p; if(puri) delete puri; delete ui; } void Player::setPath() { QString path = QFileDialog::getOpenFileName(this,tr("Open Image"),".",tr("Movie(*.avi *.mp4 *.rmvb *.flv *.mkv);;Music(*.mp3 *.wma)")); if(path.length()!=0) { filePath = path; media->setCurrentSource(Phonon::MediaSource(filePath)); cout<<"now play"<<endl; media->play(); cout<<"have played"<<endl; QFileInfo info(filePath); QString fileName = info.completeBaseName()+"."+info.completeSuffix(); qint32 index = managepl.indexOf(filePath); if(index==-1) { QStandardItem *item = new QStandardItem(fileName); standardItemModel->appendRow(item); ui->lvPlayList->setModel(standardItemModel); ui->lvPlayList->setSelectionRectVisible(true); managepl.obtainCurrentFilePath(filePath); } } } void Player::incSound() { qreal incStep = 0.1; qreal curVolume = this->volumeSlider->audioOutput()->volume(); this->volumeSlider->audioOutput()->setVolume(curVolume+incStep); } void Player::decSound() { qreal decStep = 0.1; qreal curVolume = this->volumeSlider->audioOutput()->volume(); this->volumeSlider->audioOutput()->setVolume(curVolume-decStep); } void Player::myGrabWindow() { QPixmap pixmap; media->pause(); pixmap = pixmap.grabWindow(vwidget->winId()); QString format = ".png"; QString fileName = QFileDialog::getSaveFileName(this,"Save Picture",QDir::currentPath()); fileName.append(format); pixmap.save(fileName); media->play(); } void Player::hideShowListView() { if(ui->actionHide_play_list->text()=="Hide play-list") { ui->lvPlayList->hide(); ui->actionHide_play_list->setText("Show play-list"); } else if(ui->actionHide_play_list->text()=="Show play-list") { ui->lvPlayList->show(); ui->actionHide_play_list->setText("Hide play-list"); } } void Player::showProperty() { if(!p) { p = new FileProperty(); } if(filePath.length()) { p->showMovieProperty(filePath); } } void Player::uriOpenFile() { if(!puri) { puri = new PathURI(); } puri->show(); puri->exec(); if((puri->GetFilePath())=="") return; else filePath = puri->GetFilePath(); qDebug()<<filePath; QFileInfo info(filePath); // filePath = info.absoluteFilePath(); media->setCurrentSource(Phonon::MediaSource(filePath)); media->play(); QString fileName = info.completeBaseName()+"."+info.completeSuffix(); qint32 index = managepl.indexOf(filePath); if(index==-1) { QStandardItem *item = new QStandardItem(fileName); standardItemModel->appendRow(item); ui->lvPlayList->setModel(standardItemModel); managepl.obtainCurrentFilePath(filePath); } } void Player::fullNormalScreen() { if(ui->actionFull_screen->isVisible()) { ui->actionFull_screen->setVisible(false); ui->actionNormal_screen->setVisible(true); ui->lvPlayList->hide(); ui->actionHide_play_list->setText("显示播放列表"); vwidget->enterFullScreen(); } else { ui->actionFull_screen->setVisible(true); ui->actionNormal_screen->setVisible(false); vwidget->exitFullScreen(); } } void Player::clearPlayList() { standardItemModel->clear(); managepl.clear(); } void Player::selectedMoviePlay() { int index = ui->lvPlayList->currentIndex().row(); filePath = managepl.getOneFilePath(index); media->setCurrentSource(Phonon::MediaSource(filePath)); if(media->currentSource().fileName().indexOf("mp3")!=-1)//修改视频切换音频后vwidget背景 { qDebug()<<media->currentSource().fileName().indexOf("mp3"); vwidget->setStyleSheet("0"); vwidget->update(); } media->play(); } void Player::on_pbPlay_clicked() { media->play(); } void Player::on_pbPause_clicked() { media->pause(); } void Player::on_pbStop_clicked() { media->stop(); } void Player::mouseDoubleClickEvent(QMouseEvent *event) { timer->stop(); this->vwidget->enterFullScreen(); } void Player::mouseClick() { media->stop(); //if() this->media->pause(); qDebug("dff"); } void Player::on_actionShow_lrc_2_triggered() { if (media->currentSource().fileName().indexOf("mp3")==-1) { } else { this->timelbl-