Qt编写安防视频监控系统5-视频回放

#include "frmvideoplayback.h"
#include "ui_frmvideoplayback.h"
#include "quiwidget.h"
#include "iconfont.h"
#include "videowidget.h"

#ifdef videovlc
#include "vlc.h"
#elif videoffmpeg
#include "ffmpeg.h"
#elif easyplayer
#include "easyplayer.h"
#endif

frmVideoPlayback::frmVideoPlayback(QWidget *parent) : QWidget(parent), ui(new Ui::frmVideoPlayback)
{
    ui->setupUi(this);
    this->initForm();
    this->initIcon();
    this->initData();
    this->initVideo();
    //QTimer::singleShot(1000, this, SLOT(play_video_all()));
}

frmVideoPlayback::~frmVideoPlayback()
{
    delete ui;
}

void frmVideoPlayback::showEvent(QShowEvent *)
{
    this->initData();
}

bool frmVideoPlayback::eventFilter(QObject *watched, QEvent *event)
{
    if (event->type() == QEvent::MouseButtonDblClick) {
        if (watched->inherits("QWidget")) {
            QWidget *widget = (QWidget *) watched;
            if (!videoMax) {
                videoMax = true;
                hide_video_all();
                widget->setVisible(true);
            } else {
                videoMax = false;
                show_video_all();
            }

            widget->setFocus();
        }
    }

    return QWidget::eventFilter(watched, event);
}

void frmVideoPlayback::initForm()
{
    ui->navTree->setText("通道回放");
    ui->navTree->setLeftIcon(0xf002);
    ui->navTree->setRightIcon5(0xf067);

    for (int i = 1; i <= 16; i++) {
        ui->cboxCh->addItem(QString("通道%1").arg(i));
    }

    QStringList types;
    types << "运行视频" << "报警视频";
    ui->cboxType->addItems(types);

    QStringList speeds;
    speeds << "半倍速度" << "正常速度" << "二倍速度" << "四倍速度" << "八倍速度" << "十六倍速度";
    ui->cboxSpeed->addItems(speeds);
    ui->cboxSpeed->setCurrentIndex(1);

    ui->dateTimeStart->calendarWidget()->setLocale(QLocale::Chinese);
    ui->dateTimeEnd->calendarWidget()->setLocale(QLocale::Chinese);
    ui->dateTimeStart->setDate(QDate::currentDate());
    ui->dateTimeEnd->setDate(QDate::currentDate().addDays(1));
}

void frmVideoPlayback::initIcon()
{
    quint32 size = 15;
    quint32 pixWidth = 20;
    quint32 pixHeight = 15;
    QSize iconSize = QSize(pixWidth, pixHeight);

    QPixmap pix1 = IconHelper::Instance()->getPixmap(QUIConfig::TextColor, 0xf002, size, pixWidth, pixHeight);
    QPixmap pix2 = IconHelper::Instance()->getPixmap(QUIConfig::TextColor, 0xf019, size, pixWidth, pixHeight);
    QPixmap pix3 = IconHelper::Instance()->getPixmap(QUIConfig::TextColor, 0xf00d, size, pixWidth, pixHeight);
    QPixmap pix4 = IconHelper::Instance()->getPixmap(QUIConfig::TextColor, 0xf1f8, size, pixWidth, pixHeight);

    ui->btnSelect->setIconSize(iconSize);
    ui->btnDown->setIconSize(iconSize);
    ui->btnDelete->setIconSize(iconSize);
    ui->btnClear->setIconSize(iconSize);

    ui->btnSelect->setIcon(QIcon(pix1));
    ui->btnDown->setIcon(QIcon(pix2));
    ui->btnDelete->setIcon(QIcon(pix3));
    ui->btnClear->setIcon(QIcon(pix4));
}

void frmVideoPlayback::initData()
{
    ui->listWidget->clear();
    for (int i = 0; i < 10; i++) {
        QListWidgetItem *item = new QListWidgetItem(ui->listWidget);
        item->setText(QString("%1 - %2").arg(DATETIME).arg("7分53秒"));
        item->setCheckState(Qt::Checked);
    }
}

void frmVideoPlayback::initVideo()
{
    videoMax = false;
    videoCount = 4;

    for (int i = 0; i < App::VideoCount; i++) {
#ifdef videovlc
        VlcWidget *widget = new VlcWidget;
        widget->setCallback(true);
        //widget->setHardware("auto");
#elif videoffmpeg
        FFmpegWidget *widget = new FFmpegWidget;
        //widget->setHardware("d3d11va");
#elif easyplayer
        EasyPlayerWidget *widget = new EasyPlayerWidget;
#else
        VideoWidget *widget = new VideoWidget;
#endif

        //设置背景文字
        widget->setBgText(QString("通道 %1").arg(i + 1));
        //设置背景图片
        widget->setBgImage(QImage(":/bg_novideo.png"));
        //设置url地址
        widget->setUrl("");
        //设置悬浮条可见
        widget->setFlowEnable(false);
        //设置是否自动重连
        widget->setCheckLive(false);

        widget->installEventFilter(this);
        widget->setObjectName(QString("video%1").arg(i + 1));
        widgets.append(widget);
    }

    //加入到布局中
    ui->gridLayout->addWidget(widgets.at(0), 0, 0);
    ui->gridLayout->addWidget(widgets.at(1), 0, 1);
    ui->gridLayout->addWidget(widgets.at(2), 1, 0);
    ui->gridLayout->addWidget(widgets.at(3), 1, 1);
}

void frmVideoPlayback::play_video_all()
{
    //举例数据
    widgets.at(0)->setUrl("g:/mp5/1.asf");
    widgets.at(1)->setUrl("g:/mp5/2.asf");
    widgets.at(2)->setUrl("g:/mp5/3.asf");
    widgets.at(3)->setUrl("g:/mp5/4.asf");

    QTimer::singleShot(0, widgets.at(0), SLOT(open()));
    QTimer::singleShot(1000, widgets.at(1), SLOT(open()));
    QTimer::singleShot(2000, widgets.at(2), SLOT(open()));
    QTimer::singleShot(3000, widgets.at(3), SLOT(open()));

    VideoCh::VideoData data1, data2, data3, data4;

    data1.startX = 30;
    data1.length = 150;
    data2.startX = 200;
    data2.length = 50;
    data3.startX = 280;
    data3.length = 100;
    ui->videoPlayback->setDatas1(QList<VideoCh::VideoData>() << data1 << data2 << data3);

    data4.startX = 30;
    data4.length = 380;
    ui->videoPlayback->setDatas2(QList<VideoCh::VideoData>() << data4);
    ui->videoPlayback->setDatas3(QList<VideoCh::VideoData>() << data4);
    ui->videoPlayback->setDatas4(QList<VideoCh::VideoData>() << data4);
}

void frmVideoPlayback::show_video_all()
{
    for (int i = 0; i < videoCount; i++) {
        widgets.at(i)->setVisible(true);
    }
}

void frmVideoPlayback::hide_video_all()
{
    for (int i = 0; i < videoCount; i++) {
        widgets.at(i)->setVisible(false);
    }
}

void frmVideoPlayback::on_listWidget_itemPressed(QListWidgetItem *item)
{
    bool checked = (item->checkState() == Qt::Checked);
    item->setCheckState(checked ? Qt::Unchecked : Qt::Checked);
}