440 lines
12 KiB
C++
Executable File
440 lines
12 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->lblImgA->setPixmap(QPixmap(":/images/no-record.png"));
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ui->lblImgB->setPixmap(QPixmap(":/images/no-record.png"));
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ui->lblTxtA->setText("未录制");
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ui->lblTxtB->setText("未录制");
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ui->recordWidget->hide();
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menu = new Menu();
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menu->hide();
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// 设置是否显示通道选择
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menu->setChannelSelectVisible(playbackMode == Constant::OneChannelPlayback);
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ui->progressBar->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(200);
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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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connect(chn, SIGNAL(appendOneVideo(QString)), menu, SLOT(onAppendOneVideo(QString)));
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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", chn->channelName == Constant::MainChannel ? Constant::MainChannel : Constant::SecondaryChannel);
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if (chn->channelName == Constant::MainChannel) {
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serialPortTool->onMainChannelOn();
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QThread::msleep(100);
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} else {
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serialPortTool->onSecondaryChannelOn();
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QThread::msleep(100);
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}
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} else {
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Log::info("video input {} is not available", chn->channelName == Constant::MainChannel ? Constant::MainChannel : Constant::SecondaryChannel);
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if (chn->channelName == Constant::MainChannel) {
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serialPortTool->onMainChannelOff();
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QThread::msleep(100);
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} else {
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serialPortTool->onSecondaryChannelOff();
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QThread::msleep(100);
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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(btnMenuClicked()), this, SLOT(onBtnMenuClicked()));
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connect(serialPortTool, SIGNAL(btnUpClicked()), this, SLOT(onBtnUpClicked()));
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connect(serialPortTool, SIGNAL(btnDownClicked()), this, SLOT(onBtnDownClicked()));
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connect(serialPortTool, SIGNAL(btnLeftClicked()), this, SLOT(onBtnLeftClicked()));
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connect(serialPortTool, SIGNAL(btnRightClicked()), this, SLOT(onBtnRightClicked()));
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connect(serialPortTool, SIGNAL(btnConfirmClicked()), this, SLOT(onBtnConfirmClicked()));
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connect(serialPortTool, SIGNAL(btnReturnClicked()), this, SLOT(onBtnReturnClicked()));
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connect(serialPortTool, SIGNAL(btnVolumnUpClicked()), this, SLOT(onBtnVolumnUpClicked()));
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connect(serialPortTool, SIGNAL(btnVolumnDownClicked()), this, SLOT(onBtnVolumnDownClicked()));
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connect(menu, SIGNAL(btnVideoClicked(QString)), this, SLOT(onBtnVideoClicked(QString)));
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connect(this, SIGNAL(needPlayVideo(QString)), menu, SLOT(clickPreOrNext(QString)));
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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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}
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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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if (chn) {
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// 获取当前播放位置，单位ms
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int pos = chn->inputFile->invoke("getPosition").toInt();
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ui->progressBar->setCurrent(pos);
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}
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}
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/**
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* @brief 按下菜单按键
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*/
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void Widget::onBtnMenuClicked()
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{
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if (!menu->isVisible()) {
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menu->show();
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}
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}
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/**
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* @brief 按下返回按键。优先级：菜单 > 播放
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*/
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void Widget::onBtnReturnClicked()
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{
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// 关闭菜单
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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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// 关闭回放
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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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// 隐藏进度条并关闭定时器
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ui->progressBar->hide();
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progressTimer->stop();
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// 显示录制状态
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// ui->recordWidget->show();
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}
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}
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/**
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* @brief 按下上键。优先级: 菜单 > 播放
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*/
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void Widget::onBtnUpClicked()
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{
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if (menu->isVisible()) {
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menu->move(Menu::Up);
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return;
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}
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if (isPlayback) {
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emit needPlayVideo("previous");
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}
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}
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/**
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* @brief 按下下键。 优先级: 菜单 > 播放
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*/
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void Widget::onBtnDownClicked()
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{
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if (menu->isVisible()) {
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menu->move(Menu::Down);
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return;
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}
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if (isPlayback) {
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emit needPlayVideo("next");
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}
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}
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/**
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* @brief 按下左键。优先级: 菜单 > 播放。
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*/
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void Widget::onBtnLeftClicked()
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{
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if (menu->isVisible()) {
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menu->move(Menu::Left);
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return;
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}
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if (isPlayback) {
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seek("back");
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}
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}
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/**
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* @brief 按下左键。优先级: 菜单 > 播放
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*/
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void Widget::onBtnRightClicked()
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{
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if (menu->isVisible()) {
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menu->move(Menu::Right);
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return;
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}
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if (isPlayback) {
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seek("forward");
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}
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}
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/**
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* @brief 按下ok键。优先级: 菜单 > 回放
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*/
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void Widget::onBtnConfirmClicked()
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{
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if (menu->isVisible()) {
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menu->confirm();
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return;
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}
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if (isPlayback) {
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// 切换暂停和播放
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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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ui->progressBar->showMax();
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if (chn->state == Channel::Pause) {
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ui->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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ui->progressBar->setState(ProgressBar::Play);
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// 关闭暂停灯
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serialPortTool->onPlayResume();
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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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/**
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* @brief 增大音量
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*/
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void Widget::onBtnVolumnUpClicked()
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{
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Channel::volumeUp();
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}
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/**
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* @brief 减小音量
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*/
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void Widget::onBtnVolumnDownClicked()
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{
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Channel::volumeDown();
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}
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/**
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* @brief 回放视频
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*/
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void Widget::onBtnVideoClicked(QString filename)
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{
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if (filename == "first") {
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qDebug() << "click previous failed, already the first video";
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// 显示提示弹窗
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} else if (filename == "last") {
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if (playbackMode == Constant::OneChannelPlayback) {
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Channel* chn = findChannelByName(Constant::MainChannel);
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chn->showFinishPromot();
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} else {
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for (Channel* chn : channelList)
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chn->showFinishPromot();
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}
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} else {
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if (playbackMode == Constant::OneChannelPlayback) {
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playOneChannel(filename);
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} else {
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playTwoChannels(filename);
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}
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serialPortTool->onPlaybackStart();
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}
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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(QString filename)
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{
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// 获取当前回放的通道
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QString curPlayChannel = menu->getCurPlayChannel() == DatabaseManager::MainChannel
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? Constant::MainChannel
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: Constant::SecondaryChannel;
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QString path = QString("%1/%2/%3").arg(Constant::VideoPath).arg(curPlayChannel).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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Log::info("play back error");
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ui->progressBar->hide();
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}
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isPlayback = true;
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// 全局保存当前播放的视频的文件名
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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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int duration = channel->playbackDuration;
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ui->progressBar->setDuration(duration);
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ui->progressBar->setCurrent(0);
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ui->progressBar->show();
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ui->progressBar->showMax();
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ui->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->recordWidget->hide();
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}
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/**
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* @brief 两路回放，以主通道的视频为主分别从HDMI-OUT0和HDMI-OUT1输出
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*/
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void Widget::playTwoChannels(QString filename)
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{
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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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ui->progressBar->setDuration(duration);
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ui->progressBar->setCurrent(0);
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ui->progressBar->show();
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ui->progressBar->showMax();
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ui->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->recordWidget->hide();
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} else {
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ui->progressBar->hide();
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ui->recordWidget->hide();
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}
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}
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}
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isPlayback = true;
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// 全局保存正在播放的视频的文件名
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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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}
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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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ui->progressBar->showMax();
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}
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}
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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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// 停下回放计时器
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progressTimer->stop();
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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->inputFile == 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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emit needPlayVideo("next");
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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* lblImg;
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QLabel* lblTxt;
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if (chn->channelName == Constant::MainChannel) {
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lblImg = ui->lblImgA;
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lblTxt = ui->lblTxtA;
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} else {
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lblImg = ui->lblImgB;
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lblTxt = ui->lblTxtB;
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}
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if (show) {
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lblImg->setPixmap(QPixmap(":/images/record.png"));
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lblTxt->setText("录制中");
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} else {
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lblImg->setPixmap(QPixmap(":/images/no-record.png"));
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lblTxt->setText("未录制");
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}
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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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