qt使用qtav实现播放器

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget){ ui->setupUi(this); Widgets::registerRenderers(); showList = false; timer = new QTimer(this); setObjectName("myWiget"); setWindowTitle("播放器"); setWindowIcon(QIcon(":/resources/myLogo.ico")); setStyleSheet("#myWiget{border-image:url(:/resources/backImg.png);}"); setContentsMargins(0,0,0,0); resize(1280,720); //实例化布局 this->vbox = new QVBoxLayout(this);// 上下排列布局 vbox->setContentsMargins(0,0,0,0); // **********************************************************************************初始化管理栏*************** this->hboxTop = new QHBoxLayout(this); hboxTop->setContentsMargins(0,0,0,0); bar = new QMenuBar(); bar->setStyleSheet("margin: 2px 0;width:50px;background-color:rgba(0,0,0,0);color:white;");//透明背景色 bar->setAutoFillBackground(false); bar->setMinimumWidth(70); bar->setMaximumWidth(70); // 一级菜单 file = bar->addMenu("文件"); // file->setStyleSheet("background-color:none;");//background-color:green; file->setMinimumWidth(150); file->setAutoFillBackground(false); QList<QAction*> list; QAction *action1=new QAction("打开文件");//QAction(QIcon(":/resource/image/向右箭头.jpg"),"action1"); 可显示图标 QAction *action2=new QAction("多个文件"); QAction *action3=new QAction("打开文件夹"); QAction *action4=new QAction("退出"); list.append(action1); list.append(action2); list.append(action3); list.append(action4); file->addActions(list); // file->addMenu("打开文件");// 下级菜单 hboxTop->addWidget(bar); fileVal = new QLabel(); fileVal->setStyleSheet("color:white;"); fileVal->setText("播放的文件名.........."); fileVal->setAlignment(Qt::AlignCenter);// 文字 居中 hboxTop->addWidget(fileVal); hideButton = new QPushButton(); QPixmap pi = QPixmap(":/resources/hide.png"); hideButton->setStyleSheet("background-color:rgba(0,0,0,0);"); QIcon btnBack = QIcon(pi); hideButton->setIcon(btnBack); QSize s = QSize(50,25); hideButton->setIconSize(s); hideButton->setMaximumWidth(50); hboxTop->addWidget(hideButton); maxButton = new QPushButton(); maxButton->setStyleSheet("background-color:rgba(0,0,0,0);"); QPixmap maxpi = QPixmap(":/resources/maxPro.png"); QIcon maxbtnBack = QIcon(maxpi); maxButton->setIcon(maxbtnBack); QSize s2 = QSize(50,25); maxButton->setIconSize(s2); maxButton->setMaximumWidth(50); maxButton->setMinimumWidth(50); hboxTop->addWidget(maxButton); closeButton = new QPushButton(); // closeButton->setStyleSheet("background-color:rgba(0,0,0,0);"); QPixmap closepi = QPixmap(":/resources/closePro.png"); QIcon closebtnBack = QIcon(closepi); closeButton->setIcon(closebtnBack); QSize s3 = QSize(50,25); closeButton->setIconSize(s3); closeButton->setMaximumWidth(50); closeButton->setMinimumWidth(50); hboxTop->addWidget(closeButton); // **********************************************************************************初始化播放栏*************** QWidget* video = new QWidget(this);// 使用wiget来实现大小自适应,QHBoxLayout只能被动的被子组件撑起来 video->setContentsMargins(0,0,0,0); this->hboxVideo = new QHBoxLayout(this); hboxVideo->setContentsMargins(0,0,0,0); //实例化媒体播放器及视频播放 mOut = new VideoOutput(this);; mPlayer = new AVPlayer(this); mPlayer->setRenderer(mOut); // 默认实时流 连接方式是UDP模式，可能出现丢包，卡顿等，改为tcp模式 QHash<QString, QVariant> dict; dict.insert("rtsp_transport", "tcp"); mPlayer->setOptionsForFormat(dict); // 开启解码加速 mPlayer->setVideoDecoderPriority(QStringList() << "CUDA" << "D3D11" << "DXVA" << "FFmpeg");//"VAAPI" // 新增一个大小随显示屏走的button，且设置为透明的 QVBoxLayout* gbox = new QVBoxLayout(mOut->widget()); b2 = new QPushButton(this); QPixmap statpi2 = QPixmap(":/resources/stat2.png"); QIcon statbtnBack2 = QIcon(statpi2); b2->setIcon(statbtnBack2); b2->setIconSize(QSize(0,0)); b2->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); b2->setStyleSheet("background-color:rgba(0,0,0,0);"); gbox->addWidget(b2); mOut->widget()->setLayout(gbox); hboxVideo->addWidget(mOut->widget()); // hboxVideo->setStretchFactor(videoWidget,1);// 设置该控件为可伸缩，其他控件自动设置为不可伸缩 showListButton = new QPushButton(this); showListButton->setMaximumWidth(20); // 设置宽度固定，高度随父组件大小 showListButton->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding); showListButton->setStyleSheet("border-image:url(:/resources/showList.png);"); hboxVideo->addWidget(showListButton); // 历史列表 listWidget = new QListWidget(this); // listWidget->setStyleSheet("background-color:white;color:black;"); listWidget->setMaximumWidth(270); listWidget->setMinimumWidth(270); hboxVideo->addWidget(listWidget); video->setLayout(hboxVideo); // **********************************************************************************初始化视频时间显示栏*************** this->hboxVideoTime = new QHBoxLayout(this); hboxVideoTime->setContentsMargins(0,0,0,0); timeLable = new QLabel("00:00:00/00:00:00",this); timeLable->setStyleSheet("color:white;");//margin-bottom:3px; hboxVideoTime->addWidget(timeLable); // **********************************************************************************初始化视频进度条显示栏*************** this->hboxVideoIndex = new QHBoxLayout(this); hboxVideoIndex->setContentsMargins(0,0,0,0); timeSlider = new QSlider(this); timeSlider->setContentsMargins(0,0,0,0); // groove表示槽的部分，handle表示滑块，add-page表示未滑过的槽部分,sub-page 表示已滑过的槽部分 // 横向展示 timeSlider->setOrientation(Qt::Horizontal);// Vertical QString timeSliderStr = "";//"margin:3px;background-color:white;"; // 主体样式(样式中注意 horizontal 和 vertical) timeSliderStr += "QSlider{border-color: #bcbcbc;}QSlider::groove:horizontal {border: 1px solid #999999;height: 6px;" "left: 5px; right: 5px;}";// 左右留出一定位置，这样进度键才能显示全 // 滑块样式 timeSliderStr.append("QSlider::handle:horizontal {border: 0px;border-image: url(:/resources/rate.png);" "width: 13px;margin: 0px -7px 0px -7px;}"); // 已划过槽的样式 timeSliderStr.append("QSlider::sub-page:horizontal {background-color:#87CEEB;height: 8px;}");//padding: 2px 0; timeSlider->setStyleSheet(timeSliderStr); timeSlider->installEventFilter(this);// 重载eventFilter事件 hboxVideoIndex->addWidget(timeSlider); // **********************************************************************************初始化视频操作显示栏*************** this->hboxVideoWork = new QHBoxLayout(this); hboxVideoWork->setContentsMargins(0,0,0,0); // 布局：间隔/组件1/间隔/组件2 hboxVideoWork->addStretch(); btnLeft = new QLabel(" "); btnLeft->setStyleSheet("margin:0 0 5px 0;background-color:rgba(0,0,0,0);"); hboxVideoWork->addWidget(btnLeft); hboxVideoWork->addStretch(); backButton = new QPushButton(); backButton->setStyleSheet("margin:0 0 5px 0;background-color:rgba(0,0,0,0);"); QPixmap backpi = QPixmap(":/resources/back.png"); QIcon backbtnBack = QIcon(back