506 lines
15 KiB
C++
Executable File
506 lines
15 KiB
C++
Executable File
#include "Widget.h"
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#include "Channel.h"
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#include "Constant.h"
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#include "Json.h"
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#include "Log.h"
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#include "SerialPortTool.h"
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#include "TcpServer.h"
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#include "Tool.h"
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#include "ui_Widget.h"
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#include <QDir>
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#include <QMutex>
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#include <QScrollBar>
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#include <QWaitCondition>
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// 多线程中使用
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QMutex mutex;
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QWaitCondition condition;
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QString curFilename;
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extern QList<Channel*> channelList;
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extern Constant::PlaybackMode playbackMode;
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extern SerialPortTool* serialPortTool;
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Widget::Widget(QWidget* parent)
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: QWidget(parent)
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, ui(new Ui::Widget)
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{
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ui->setupUi(this);
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ui->lblA->setPixmap(QPixmap(":/images/no-record.png"));
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ui->lblB->setPixmap(QPixmap(":/images/no-record.png"));
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menu = new Menu(this);
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menu->hide();
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progressBar = new ProgressBar(this);
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progressBar->hide();
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message = new Message(this);
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// 设置窗体背景透明
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QPalette pal = palette();
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pal.setBrush(QPalette::Base, Qt::transparent);
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setPalette(pal);
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setAttribute(Qt::WA_TranslucentBackground, true);
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// 设置listwidget无滚动条
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ui->listWidget->horizontalScrollBar()->hide();
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ui->listWidget->verticalScrollBar()->hide();
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ui->listWidget->hide();
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// 每5秒更新一次进度条
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progressTimer = new QTimer();
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progressTimer->setInterval(500);
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connect(progressTimer, SIGNAL(timeout()), this, SLOT(onProgressTimeout()));
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for (Channel* chn : channelList) {
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connect(chn, SIGNAL(playEnd()), this, SLOT(onPlayEnd()));
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connect(chn, SIGNAL(showRecordState(bool)), this, SLOT(onShowRecordLabel(bool)));
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// 监听输入信号的变化
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connect(chn->videoInput, &LinkObject::newEvent, [=](QString type, QVariant msg) {
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if (type == "signal") {
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QVariantMap data = msg.toMap();
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bool available = data["avalible"].toBool();
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if (available) {
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Log::info("video input {} is available",
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chn->channelName == Constant::MainChannel ? "HDMI-A" : "HDMI-B");
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if (chn->channelName == Constant::MainChannel) {
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serialPortTool->onMainChannelOn();
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} else {
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serialPortTool->onSecondaryChannelOn();
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}
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} else {
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Log::info("video input {} is not available",
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chn->channelName == Constant::MainChannel ? "HDMI-A" : "HDMI-B");
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if (chn->channelName == Constant::MainChannel) {
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serialPortTool->onMainChannelOff();
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} else {
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serialPortTool->onSecondaryChannelOff();
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}
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}
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}
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});
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}
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connect(serialPortTool, SIGNAL(btnPlaybackClicked()), this, SLOT(onBtnPlaybackClicked()));
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connect(serialPortTool, SIGNAL(btnPreviousClicked()), this, SLOT(onBtnPreviousClicked()));
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connect(serialPortTool, SIGNAL(btnPauseClicked()), this, SLOT(onBtnEnterClicked()));
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connect(serialPortTool, SIGNAL(btnReturnClicked()), this, SLOT(onBtnReturnClicked()));
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connect(serialPortTool, SIGNAL(btnBackClicked()), this, SLOT(onBtnBackClicked()));
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connect(serialPortTool, SIGNAL(btnNextClicked()), this, SLOT(onBtnNextClicked()));
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connect(serialPortTool, SIGNAL(btnForwardClicked()), this, SLOT(onBtnForwardClicked()));
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connect(serialPortTool, SIGNAL(btnDoneClicked()), this, SLOT(onBtnEnterClicked()));
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}
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Widget::~Widget()
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{
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delete ui;
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delete progressTimer;
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delete menu;
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delete progressBar;
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delete message;
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}
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/**
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* @brief 获取视频文件列表并显示
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*/
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void Widget::showPlayList()
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{
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QString dirPath = QString("%1/%2").arg(Constant::VideoPath).arg(curSelectChannel);
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QStringList files = Tool::getFileList(dirPath);
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ui->listWidget->clear();
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for (QString& file : files) {
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QListWidgetItem* item = new QListWidgetItem(file);
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ui->listWidget->addItem(item);
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}
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ui->listWidget->show();
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ui->listWidget->setCurrentRow(0);
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}
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/**
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* @brief 更新进度条
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*/
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void Widget::onProgressTimeout()
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{
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Channel* chn = findChannelByName(Constant::MainChannel);
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int pos = chn->file->invoke("getPosition").toInt() / 1000;
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progressBar->setCurrent(pos);
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}
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/**
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* @brief 收到回放指令
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*/
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void Widget::onBtnPlaybackClicked()
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{
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Log::info("receive command playback, playback mode: {}", playbackMode);
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// 如果是一路回放，显示选择菜单
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if (playbackMode == Constant::OneChannelPlayback) {
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if (!menu->isVisible())
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menu->show();
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}
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// 两路回放不显示菜单，直接显示列表
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else if (playbackMode == Constant::TwoChannelPlayback) {
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curSelectChannel = Constant::MainChannel;
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showPlayList();
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}
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}
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/**
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* @brief 收到上段指令
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*/
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void Widget::onBtnPreviousClicked()
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{
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// 菜单显示则切换菜单选中
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if (menu->isVisible()) {
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menu->setCurChannel(Constant::MainChannel);
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return;
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}
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// 列表显示，则选中上一个视频
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if (ui->listWidget->isVisible()) {
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int curRow = ui->listWidget->currentRow();
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if (curRow == 0)
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curRow = ui->listWidget->count();
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ui->listWidget->setCurrentRow(curRow - 1);
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return;
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}
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}
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/**
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* @brief 收到下段指令
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*/
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void Widget::onBtnNextClicked()
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{
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if (menu->isVisible()) {
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menu->setCurChannel(Constant::SecondaryChannel);
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return;
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}
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if (ui->listWidget->isVisible()) {
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int curRow = ui->listWidget->currentRow();
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if (curRow == ui->listWidget->count() - 1) {
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curRow = -1;
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}
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ui->listWidget->setCurrentRow(curRow + 1);
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return;
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}
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}
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/**
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* @brief 收到暂停指令
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*/
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void Widget::onBtnPasueClicked()
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{
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if (!isPlayback)
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return;
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for (Channel* chn : channelList) {
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if (chn->state == Channel::Playback || chn->state == Channel::Pause) {
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chn->togglePause();
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if (chn->channelName == Constant::MainChannel) {
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progressBar->showMax();
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if (chn->state == Channel::Pause) {
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progressBar->setState(ProgressBar::Pause);
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// 打开暂停灯
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serialPortTool->onPlayPause();
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} else {
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progressBar->setState(ProgressBar::Play);
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// 关闭暂停灯
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serialPortTool->onPlayPause();
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}
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}
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}
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}
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}
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/**
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* @brief 收到确定指令
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*/
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void Widget::onBtnEnterClicked()
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{
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// 菜单显示，则关闭菜单显示列表
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if (menu->isVisible()) {
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curSelectChannel = menu->getCurChannel();
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menu->hide();
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showPlayList();
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return;
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}
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if (ui->listWidget->isVisible()) {
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if (ui->listWidget->count() == 0)
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return;
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if (playbackMode == Constant::OneChannelPlayback)
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playOneChannel();
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else if (playbackMode == Constant::TwoChannelPlayback)
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playTwoChannels();
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serialPortTool->onPlaybackStart();
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return;
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}
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}
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/**
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* @brief 收到返回指令
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* 处理优先级: 菜单 ==> 列表 ==> 回放
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*/
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void Widget::onBtnReturnClicked()
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{
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if (menu->isVisible()) {
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menu->hide();
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return;
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}
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if (ui->listWidget->isVisible()) {
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ui->listWidget->hide();
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return;
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}
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if (isPlayback) {
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// 停止回放
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for (Channel* chn : channelList) {
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if (chn->state != Channel::Stop) {
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chn->startPlayLive();
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serialPortTool->onPlaybackEnd();
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}
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}
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progressBar->hide();
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ui->lblA->show();
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ui->lblB->show();
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}
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}
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/**
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* @brief 视频跳转
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*/
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void Widget::seek(QString type)
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{
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if (!isPlayback)
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return;
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for (Channel* chn : channelList) {
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if (chn->state == Channel::Pause || chn->state == Channel::Playback) {
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if (type == "forward") {
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chn->forward();
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serialPortTool->onFoward();
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} else {
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chn->back();
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serialPortTool->onBack();
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}
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if (chn->channelName == Constant::MainChannel)
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progressBar->showMax();
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}
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}
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}
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/**
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* @brief 快进
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*/
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void Widget::onBtnForwardClicked()
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{
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seek("forward");
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}
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/**
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* @brief 快退
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*/
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void Widget::onBtnBackClicked()
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{
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seek("back");
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}
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/**
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* @brief 一路回放，将当前选中播放的视频从HDMI-OUT0口输出
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*/
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void Widget::playOneChannel()
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{
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QString filename = ui->listWidget->currentItem()->text();
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(curSelectChannel).arg(filename);
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Channel* channel = findChannelByName(Constant::MainChannel);
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for (Channel* chn : channelList) {
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chn->startPlayLive();
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}
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bool ret = channel->startPlayback(path);
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if (!ret)
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progressBar->hide();
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isPlayback = true;
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curPlayChannel = curSelectChannel;
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curPlayFilename = filename;
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// 全局保存当前播放的视频
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mutex.lock();
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curFilename = filename;
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condition.wakeAll();
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mutex.unlock();
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// 保存当前播放视频列表
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QString dirPath = QString("%1/%2").arg(Constant::VideoPath).arg(curPlayChannel);
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fileList = Tool::getFileList(dirPath);
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int duration = channel->playbackDuration;
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progressBar->setDuration(duration);
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progressBar->setCurrent(0);
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progressBar->show();
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progressBar->showMax();
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progressBar->setState(ProgressBar::Play);
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if (progressTimer->isActive()) {
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progressTimer->stop();
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progressTimer->start();
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} else {
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progressTimer->start();
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}
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ui->lblA->hide();
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ui->lblB->hide();
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}
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/**
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* @brief 两路回放，以HDMI-A口的视频为主分别从HDMI-OUT0和HDMI-OUT1输出
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*/
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void Widget::playTwoChannels()
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{
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QString filename = ui->listWidget->currentItem()->text();
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for (Channel* chn : channelList) {
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(chn->channelName).arg(filename);
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int ret = chn->startPlayback(path);
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if (chn->channelName == Constant::MainChannel) {
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if (ret) {
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int duration = chn->playbackDuration;
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progressBar->setDuration(duration);
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progressBar->setCurrent(0);
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progressBar->show();
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progressBar->showMax();
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progressBar->setState(ProgressBar::Play);
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if (progressTimer->isActive()) {
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progressTimer->stop();
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progressTimer->start();
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} else {
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progressTimer->start();
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}
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ui->lblA->hide();
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ui->lblB->hide();
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} else {
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progressBar->hide();
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}
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}
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}
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curPlayFilename = filename;
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curPlayChannel = Constant::MainChannel;
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isPlayback = true;
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// 全局保存正在播放的视频
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mutex.lock();
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curFilename = filename;
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condition.wakeAll();
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mutex.unlock();
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// 将HDMI-A通道的视频列表作为主列表
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QString dirPath = QString("%1/%2").arg(Constant::VideoPath).arg(Constant::MainChannel);
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fileList = Tool::getFileList(dirPath);
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}
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/**
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* @brief 当前视频播放完毕
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*/
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void Widget::onPlayEnd()
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{
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// 当两路回放时，只处理一次槽函数
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if (playbackMode == Constant::TwoChannelPlayback) {
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LinkObject* file = static_cast<LinkObject*>(sender());
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for (Channel* chn : channelList) {
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if (chn->file == file) {
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if (chn->channelName != Constant::MainChannel) {
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return;
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}
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}
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}
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}
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// 计算下一个文件名
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int index = fileList.indexOf(curPlayFilename);
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if (index == fileList.length() - 1) {
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QString dirPath = QString("%1/%2").arg(Constant::VideoPath).arg(curPlayChannel);
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fileList = Tool::getFileList(dirPath);
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if (index == fileList.length() - 1) {
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Log::info("there is no file to play");
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// 显示播放完毕的信息
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if (playbackMode == Constant::OneChannelPlayback) {
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Channel* chn = findChannelByName(Constant::MainChannel);
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if (chn)
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chn->showFinishPromot();
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} else if (playbackMode == Constant::TwoChannelPlayback) {
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for (Channel* chn : channelList) {
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chn->showFinishPromot();
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}
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}
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return;
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}
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Log::info("refresh current play file list");
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}
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curPlayFilename = fileList.at(index + 1);
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// 播放下一个视频
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if (playbackMode == Constant::OneChannelPlayback) {
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Channel* chn = findChannelByName(Constant::MainChannel);
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if (chn) {
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(curPlayChannel).arg(curPlayFilename);
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bool ret = chn->startPlayback(path);
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if (chn->channelName == Constant::MainChannel) {
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if (!ret) {
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progressBar->hide();
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return;
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}
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int duration = chn->playbackDuration;
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progressBar->setDuration(duration);
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progressBar->showMax();
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}
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}
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} else if (playbackMode == Constant::TwoChannelPlayback) {
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for (Channel* chn : channelList) {
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(chn->channelName).arg(curPlayFilename);
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bool ret = chn->startPlayback(path);
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if (chn->channelName == Constant::MainChannel) {
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if (!ret) {
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progressBar->hide();
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continue;
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}
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int duration = chn->playbackDuration;
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progressBar->setDuration(duration);
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progressBar->showMax();
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}
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}
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}
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mutex.lock();
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curFilename = curPlayFilename;
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condition.wakeAll();
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mutex.unlock();
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}
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/**
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* @brief 显示录制状态的槽函数
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* @param show 是否正在录制
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*/
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void Widget::onShowRecordLabel(bool show)
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{
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Channel* chn = static_cast<Channel*>(sender());
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QLabel* label;
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if (chn->channelName == Constant::MainChannel) {
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label = ui->lblA;
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} else {
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label = ui->lblB;
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}
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if (show) {
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label->setPixmap(QPixmap(":/images/record.png"));
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} else
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label->setPixmap(QPixmap(":/images/no-record.png"));
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}
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/**
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* @brief 根据名称查找通道
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* @param name 通道名称
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*/
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Channel* Widget::findChannelByName(QString name)
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{
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for (Channel* chn : channelList) {
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if (chn->channelName == name) {
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return chn;
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}
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}
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return nullptr;
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}
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