目录
各个界面+功能实现
点击回放模式可以查看回放视频+图片
选择日期后点击查询可查看该日期回放视频
对于回放的视频可以---暂停播放 倍速 导出mp4 截图
点击图片列表可以查看回放视频中的截图图片
点击图片后可以查看详细的图片信息
本次的Qt项目-安防监控系统，由于工程量较大，分成四篇文章呈现源码。
如果想学习这个安防监控系统项目，另外三篇文章源码可自行查看
Sqlite数据库和FFMPEG开源库，上传至资源，可自行领取学习，对于环境的搭建，可以参考以下文章
对摄像头类不知如何获取的，可以参照以下这篇文章解决疑惑
18.SetWidget.h .cpp
-
#ifndef SETWIDGET_H
-
#define SETWIDGET_H
-
-
#include<QDebug>//测试
-
#include <QWidget>//窗口
-
#include <QLabel>//文本
-
#include <QPushButton>//按钮
-
#include <QLineEdit>//编辑框
-
#include <QButtonGroup>//按钮
-
#include <QComboBox>//下拉框
-
#include <QCheckBox>//检测
-
#include <QIcon>//嵌入图
-
#include <QMessageBox>//消息框
-
#include <QKeyEvent>//按键事件
-
#include <QCameraInfo>//获取摄像头信息
-
#include <QFileDialog>//文件框
-
#include "decode.h"//解码
-
#include "setcontrol.h"//设置控制层
-
-
class
SetWidget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
// explicit SetWidget(QWidget *parent = 0);
-
SetWidget();
//构造函数
-
void init_UI();
//UI窗口
-
void init_control();
//控件布局
-
void init_connect();
//按钮-信号槽机制
-
int mark;
//标志位--有无数据
-
private:
-
QLabel *Set_label,*VideoPath_label,*ImagePath_label,*Interval_label,*Camera_label;
//标签文本
-
QPushButton *VideoPath_btn,*ImagePath_btn,*OK_btn,*Esc_btn;
//按钮控件
-
QLineEdit *VideoPath_edit,*ImagePath_edit;
//编辑框
-
QComboBox *Interval_box,*Camera_box;
//下拉框
-
QLabel *setwidget_label,*setwidget_label1;
//设置界面文本
-
-
signals:
-
void tomain();
-
-
public slots:
-
void Select_VideoPath();
//视频路径选择窗口函数
-
void Select_ImagePath();
//图片路径选择窗口函数
-
void init_data();
//设置信息存储函数
-
void getmain();
//跳转到主界面函数
-
};
-
-
#endif // SETWIDGET_H
-
#include "setwidget.h"
-
#include"main_widget.h"
-
-
//SetWidget::SetWidget(QWidget *parent) : QWidget(parent)
-
//{
-
//}
-
-
//构造函数
-
SetWidget::
SetWidget()
-
{
-
this->mark=
0;
//标志位
-
init_UI();
//UI窗口
-
init_control();
//控件布局设计
-
init_connect();
//按钮-信号槽机制
-
}
-
-
//UI窗口
-
void SetWidget::init_UI()
-
{
-
//设置窗口标题
-
this->
setWindowTitle(
"安防监控系统");
-
//设置窗口大小
-
this->
setFixedSize(
800,
600);
-
setWindowFlags(Qt::FramelessWindowHint);
//无边框
-
//自己设置背景图片
-
QPixmap pixmap(":/image/060902.jpg");
-
QPalette palette;
-
palette.
setBrush(
backgroundRole(),
QBrush(pixmap));
-
setPalette(palette);
-
}
-
-
//设置窗口控件布局函数
-
void SetWidget::init_control()
-
{
-
//字体大小--ft1 标题字体大小 ft2 标签字体大小
-
QFont ft1,ft2;
-
ft1.
setPointSize(
30);
-
ft2.
setPointSize(
12);
-
//文本
-
this->Set_label =
new
QLabel(
"设置界面",
this);
-
this->Set_label->
setGeometry(
300,
280,
260,
40);
-
this->Set_label->
setFont(ft1);
-
this->VideoPath_label =
new
QLabel(
"视频存储位置",
this);
-
this->VideoPath_label->
setGeometry(
190,
350,
120,
30);
-
this->VideoPath_label->
setFont(ft2);
-
this->ImagePath_label =
new
QLabel(
"图片存储位置",
this);
-
this->ImagePath_label->
setGeometry(
190,
400,
120,
30);
-
this->ImagePath_label->
setFont(ft2);
-
this->Interval_label =
new
QLabel(
"采集时间间隔",
this);
-
this->Interval_label->
setGeometry(
190,
450,
120,
30);
-
this->Interval_label->
setFont(ft2);
-
this->Camera_label =
new
QLabel(
"摄像头配置",
this);
-
this->Camera_label->
setGeometry(
190,
500,
120,
30);
-
this->Camera_label->
setFont(ft2);
-
this->setwidget_label =
new
QLabel(
this);
-
this->setwidget_label->
setGeometry(
0,
0,
400,
270);
-
this->setwidget_label->
setPixmap(
QPixmap(
":/image/061002.jpg").
scaled(setwidget_label->
size()));
-
this->setwidget_label1 =
new
QLabel(
this);
-
this->setwidget_label1->
setGeometry(
400,
0,
400,
270);
-
this->setwidget_label1->
setPixmap(
QPixmap(
":/image/061001.jpg").
scaled(setwidget_label1->
size()));
-
//编辑框
-
this->VideoPath_edit =
new
QLineEdit(
this);
-
this->VideoPath_edit->
setReadOnly(
true);
-
this->VideoPath_edit->
setGeometry(
320,
350,
200,
30);
-
this->ImagePath_edit =
new
QLineEdit(
this);
-
this->ImagePath_edit->
setReadOnly(
true);
-
this->ImagePath_edit->
setGeometry(
320,
400,
200,
30);
-
//按钮
-
this->VideoPath_btn =
new
QPushButton(
"...",
this);
-
this->VideoPath_btn->
setGeometry(
530,
350,
30,
30);
-
this->ImagePath_btn =
new
QPushButton(
"...",
this);
-
this->ImagePath_btn->
setGeometry(
530,
400,
30,
30);
-
this->OK_btn =
new
QPushButton(
"确定",
this);
-
this->OK_btn->
setGeometry(
320,
550,
60,
30);
-
OK_btn->
setFont(ft2);
-
this->Esc_btn =
new
QPushButton(
"取消",
this);
-
this->Esc_btn->
setGeometry(
440,
550,
60,
30);
-
Esc_btn->
setFont(ft2);
-
//录制时长下拉框控件初始化
-
this->Interval_box =
new
QComboBox(
this);
-
this->Interval_box->
setGeometry(
320,
450,
200,
30);
-
this->Interval_box->
addItem(
"1分钟");
-
this->Interval_box->
addItem(
"2分钟");
-
this->Interval_box->
addItem(
"3分钟");
-
this->Interval_box->
setFont(ft2);
-
//摄像头下拉框控件初始化
-
this->Camera_box =
new
QComboBox(
this);
-
this->Camera_box->
setGeometry(
320,
500,
200,
30);
-
this->Camera_box->
setFont(ft2);
-
//获取摄像头
-
QList<QString> cnames= Decode::
getcamera();
-
this->Camera_box->
addItems(cnames);
-
}
-
-
//按钮-信号槽机制
-
void SetWidget::init_connect()
-
{
-
//选择视频路径
-
connect(
this->VideoPath_btn,
SIGNAL(
clicked()),
this,
SLOT(
Select_VideoPath()));
-
//选择图片路径
-
connect(
this->ImagePath_btn,
SIGNAL(
clicked()),
this,
SLOT(
Select_ImagePath()));
-
//确定--设置信息存储
-
connect(
this->OK_btn,
SIGNAL(
clicked()),
this,
SLOT(
init_data()));
-
//确定--跳转到主界面
-
connect(
this->OK_btn,
SIGNAL(
clicked()),
this,
SLOT(
getmain()));
-
//关闭按钮关闭窗口
-
connect(
this->Esc_btn,
SIGNAL(
clicked(
bool)),
this,
SLOT(
close()));
-
}
-
-
//设置信息存储函数
-
void SetWidget::init_data()
-
{
-
//framecount时长换算，60分钟=1000毫秒
-
int framecount =
0;
-
if(Interval_box->
currentIndex() ==
0)
-
{
-
framecount =
1500;
-
}
-
if(Interval_box->
currentIndex() ==
1)
-
{
-
framecount =
3000;
-
}
-
if(Interval_box->
currentIndex() ==
2)
-
{
-
framecount =
4500;
-
}
-
//如果路径不为空
-
if(VideoPath_edit->
text().
trimmed() !=
tr(
"") && ImagePath_edit->
text().
trimmed() !=
tr(
""))
-
{
-
//先判断数据库里面是否有设置信息 mark 0为没有数据，1为有数据
-
this->mark=SetControl::
getInstance()->
getSetting();
-
int res;
-
//如果没有设置信息，就存入数据库设置信息
-
if(mark==
0)
-
{
-
res=SetControl::
getInstance()->
doSet(
this->VideoPath_edit->
text().
trimmed(),
this->ImagePath_edit->
text().
trimmed(),
-
framecount,Camera_box->
currentText());
-
}
-
//如果有设置信息，就更新数据库设置信息
-
else
-
{
-
res=SetControl::
getInstance()->
updateSetting(
this->VideoPath_edit->
text().
trimmed(),
this->ImagePath_edit->
text().
trimmed(),
-
framecount,Camera_box->
currentText());
-
}
-
//存入数据库信息 0表示成功，1表示失败
-
if(res==
0)
-
{
-
QMessageBox::
information(
this,
"提示",
"设置成功",
"确定");
-
emit tomain();
-
}
-
else
-
{
-
QMessageBox::
information(
this,
"提示",
"设置失败",
"确定");
-
}
-
}
-
//路径为空就提示
-
else
-
{
-
QMessageBox::
information(
this,
"提示",
"路径不能为空",
"确定");
-
}
-
}
-
-
//跳转到主界面函数
-
void SetWidget::getmain()
-
{
-
//如果mark标志位为0为有数据,就不用设置就可以跳转到主界面
-
if(mark==
0)
-
{
-
this->
close();
-
Main_Widget *mainwidget =
new
Main_Widget();
-
mainwidget->
show();
-
}
-
else
-
{
-
this->
close();
-
Main_Widget *mainwidget =
new
Main_Widget();
-
mainwidget->
show();
-
}
-
}
-
-
//视频路径选择窗口函数
-
void SetWidget::Select_VideoPath()
-
{
-
QString Video_path=QFileDialog::
getExistingDirectory(
this,
"选择视频存储路径",
"../");
-
if(Video_path !=
nullptr)
-
{
-
//显示到编辑框上
-
this->VideoPath_edit->
setText(Video_path);
-
}
-
}
-
-
//图片路径选择窗口函数
-
void SetWidget::Select_ImagePath()
-
{
-
QString Image_path=QFileDialog::
getExistingDirectory(
this,
"选择视频存储路径",
"../");
-
if(Image_path !=
nullptr)
-
{
-
//显示到编辑框上
-
this->ImagePath_edit->
setText(Image_path);
-
}
-
}
19.Main_Widget.h .cpp
-
#ifndef MAIN_WIDGET_H
-
#define MAIN_WIDGET_H
-
-
#include <QWidget>
-
#include <QLabel>//文本
-
#include <QPushButton>//按钮
-
#include <QLineEdit>//编辑框
-
#include <QListWidget>//列表
-
#include <QListWidgetItem>//列表项
-
#include <QHBoxLayout>//水平
-
#include <QVBoxLayout>//垂直
-
#include <QIcon>//嵌入图
-
#include <QPaintEvent>//绘制
-
#include<QDebug>//调试
-
#include<QList>//链表
-
#include<QComboBox>//下拉框
-
#include<QImage>//图像
-
#include<QPixmap>//嵌入图
-
#include<QStackedWidget>//栈窗口
-
#include<QTimer>//定时器
-
#include <QDateTime>//日期
-
#include "main_monitorwidget.h"//监控窗口
-
#include "main_replaywidget.h"//回放窗口
-
#include "loginwidget.h"//登录窗口
-
#include "setwidget.h"//设置窗口
-
-
class
Main_Widget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
explicit Main_Widget(QWidget *parent = nullptr);
//构造函数
-
void init_UI();
//UI窗口
-
void init_control();
//控件布局
-
void init_connect();
//按钮-信号槽机制
-
static
int status;
//状态
-
private:
-
QWidget *topWidget;
//窗口布局
-
QStackedWidget *bottomWidget;
//栈窗口
-
QLabel *time_label,*logo_label;
//文本
-
QVBoxLayout *totalLayout;
//垂直布局
-
QHBoxLayout *topLayout;
//水平布局
-
QPushButton *play_btn,*replay_btn,*log_btn,*setting_btn;
//按钮
-
QTimer *timer;
//定时器
-
Main_MonitorWidget *monitor;
//监控窗口
-
Main_ReplayWidget *replay;
//回放窗口
-
SetWidget *setting;
-
loginWidget *loginwidget;
-
signals:
-
-
public slots:
-
void qtimeSlot();
//获取当前时间函数
-
void Tosetting();
//跳转到设置窗口函数
-
void Toreplay();
//跳转到回放模式函数
-
void Tomonitor();
//跳转到监控模式函数
-
void Tomain();
//关闭设置窗口函数
-
};
-
-
#endif // MAIN_WIDGET_H
-
#include "main_widget.h"
-
-
int Main_Widget::status=
0;
//主窗口初始状态
-
-
//主界面构造函数
-
Main_Widget::
Main_Widget(QWidget *parent) :
QWidget(parent)
-
{
-
init_UI();
-
init_control();
-
init_connect();
-
}
-
-
//主界面窗口设置
-
void Main_Widget::init_UI()
-
{
-
this->
setWindowTitle(
"陈茹涵--保安大队");
-
this->
setFixedSize(
1400,
900);
-
this->totalLayout =
new
QVBoxLayout();
-
// setWindowFlags(Qt::FramelessWindowHint);//无边框
-
// setAttribute(Qt::WA_TranslucentBackground);//背景透明
-
}
-
-
//主界面控件布局设计
-
void Main_Widget::init_control()
-
{
-
//上布局
-
this->topLayout =
new
QHBoxLayout();
-
this->topWidget =
new
QWidget(
this);
-
this->topWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
//下布局
-
this->bottomWidget =
new
QStackedWidget(
this);
-
this->bottomWidget->
setStyleSheet(
"background:white");
-
//按钮
-
this->play_btn =
new
QPushButton(
"监控模式",
this);
-
this->play_btn->
setFixedSize(
100,
60);
-
this->replay_btn =
new
QPushButton(
"回放模式",
this);
-
this->replay_btn->
setFixedSize(
100,
60);
-
this->log_btn =
new
QPushButton(
"日志查询",
this);
-
this->log_btn->
setFixedSize(
100,
60);
-
this->setting_btn =
new
QPushButton(
"系统设置",
this);
-
this->setting_btn->
setFixedSize(
100,
60);
-
//定时器--刷新时间
-
this->time_label =
new
QLabel(
this);
-
this->timer =
new
QTimer(
this);
-
timer->
start(
500);
-
//new一个监控模式布局
-
this->monitor =
new
Main_MonitorWidget();
-
//开始解码显示监控画面
-
monitor->
startdecode();
-
//将监控模式布局放到堆栈布局里面
-
this->bottomWidget->
addWidget(monitor);
-
//new一个回放模式布局
-
this->replay =
new
Main_ReplayWidget();
-
//将回放模式布局放到堆栈布局里面
-
this->bottomWidget->
addWidget(replay);
-
//设置当前布局为监控模式
-
this->bottomWidget->
setCurrentWidget(monitor);
-
//顶部导航栏布局
-
this->topLayout->
addStretch(
0);
//弹簧
-
this->topLayout->
setSpacing(
18);
//各个控件之间上下间距
-
this->topLayout->
addWidget(
this->play_btn);
-
this->topLayout->
addWidget(
this->replay_btn);
-
this->topLayout->
addWidget(
this->log_btn);
-
this->topLayout->
addWidget(
this->setting_btn);
-
this->topLayout->
addWidget(
this->time_label);
-
this->topWidget->
setLayout(topLayout);
//顶部布局设置
-
-
this->totalLayout->
addWidget(topWidget,
1);
//比例设计
-
this->totalLayout->
addWidget(bottomWidget,
9);
//比例设计
-
this->
setLayout(totalLayout);
-
}
-
-
//连接函数--按钮信号槽函数
-
void Main_Widget::init_connect()
-
{
-
//获取当前时间
-
connect(timer,
SIGNAL(
timeout()),
this,
SLOT(
qtimeSlot()));
-
//跳转到设置窗
-
connect(setting_btn,
SIGNAL(
clicked()),
this,
SLOT(
Tosetting()));
-
//跳转到回放窗
-
connect(replay_btn,
SIGNAL(
clicked()),
this,
SLOT(
Toreplay()));
-
//跳转到监控窗
-
connect(play_btn,
SIGNAL(
clicked()),
this,
SLOT(
Tomonitor()));
-
}
-
-
//获取当前时间函数
-
void Main_Widget::qtimeSlot()
-
{
-
QDateTime date_time =QDateTime::
currentDateTime();
-
QString current_date =date_time.
toString(
" yyyy.MM.dd \nhh:mm:ss ddd");
-
this->time_label->
setText (current_date);
-
}
-
-
//跳转到设置窗口函数
-
void Main_Widget::Tosetting()
-
{
-
//如果没有登录过就显示登录窗口-登录成功栈窗到相应界面
-
if(
this->status==
0)
-
{
-
//登录成功状态为1
-
this->loginwidget =
new loginWidget;
-
this->loginwidget->
show();
-
}
-
else
-
{
-
this->setting =
new
SetWidget();
-
this->setting->
show();
-
}
-
}
-
-
//跳转到回放模式函数
-
void Main_Widget::Toreplay()
-
{
-
//如果没有登录过显示登录窗口
-
if(
this->status==
0)
-
{
-
//登录成功状态为1
-
this->loginwidget =
new loginWidget;
-
this->loginwidget->
show();
-
}
-
else
-
{
-
this->replay->
videolist();
-
this->replay->
init_connect();
-
this->bottomWidget->
setCurrentWidget(replay);
-
}
-
}
-
-
//跳转到监控模式函数
-
void Main_Widget::Tomonitor()
-
{
-
//如果没有登录过显示登录窗口
-
if(
this->status==
0)
-
{
-
//登录成功状态为1
-
this->loginwidget =
new loginWidget;
-
this->loginwidget->
show();
-
}
-
else
-
{
-
this->bottomWidget->
setCurrentWidget(monitor);
-
}
-
}
-
-
//关闭设置窗口函数
-
void Main_Widget::Tomain()
-
{
-
this->setting->
close();
-
}
20.Main_MonitorWidget.h .cpp
-
#ifndef MAIN_MONITORWIDGET_H
-
#define MAIN_MONITORWIDGET_H
-
-
#include <QWidget>
-
#include <QLabel>//标签
-
#include <QPushButton>//按钮
-
#include <QHBoxLayout>//水平布局
-
#include <QVBoxLayout>//垂直布局
-
#include<QGridLayout>//网格布局-实现监控器田字布局
-
#include <QPaintEvent>//重绘事件
-
#include<QList>//链表
-
#include<QImage>//图像
-
#include<QPixmap>//嵌入图
-
#include "decode.h"//解码
-
#include<QListWidgetItem>//窗口图元项
-
-
class
Main_MonitorWidget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
// explicit Main_MonitorWidget(QWidget *parent = 0);
-
explicit Main_MonitorWidget(QWidget *parent = nullptr);
-
void init_control();
//控件布局设置1
-
void init_control2();
//控件布局设置2
-
void init_connect();
//按钮-信号槽机制
-
void startdecode();
//解码操作
-
Decode *decodeThread;
//声明解码线程
-
private:
-
QWidget *rightWidget,*leftWidget,*rightBottomWidget,*righttopWidget;
//窗口布局设计
-
QVBoxLayout *leftLayout,*rightLayout;
//垂直布局设计
-
QHBoxLayout *rightBottomLayout,*totalLayout;
//水平布局设计
-
QGridLayout *righttopLayout;
//布局比例设计
-
QPushButton *single_screen_btn,*multi_screen_btn;
//按钮
-
QLabel *video1_label,*video2_label,*video3_label,*video4_label;
//标签文本
-
QList <QString> camera;
//摄像头
-
QImage image;
//图片
-
protected:
-
void paintEvent(QPaintEvent *);
//重绘事件-接收图片监控显示
-
-
signals:
-
-
public slots:
-
void receiveImg(QImage img);
//接收图片函数
-
void ToSingle();
//切换单画面模式
-
void ToFour();
//切换多画面模式
-
};
-
-
#endif // MAIN_MONITORWIDGET_H
-
#include "main_monitorwidget.h"
-
-
//构造
-
Main_MonitorWidget::
Main_MonitorWidget(QWidget *parent) :
QWidget(parent)
-
{
-
setWindowFlags(Qt::FramelessWindowHint);
//无边框
-
setAttribute(Qt::WA_TranslucentBackground);
//背景透明
-
init_control();
//控件布局
-
init_connect();
//按钮-信号槽机制
-
}
-
-
//监控界面控件布局
-
void Main_MonitorWidget::init_control()
-
{
-
this->totalLayout =
new
QHBoxLayout();
//水平
-
this->leftLayout =
new
QVBoxLayout();
//垂直
-
this->rightLayout =
new
QVBoxLayout();
//垂直
-
this->leftWidget =
new
QWidget();
-
this->rightWidget =
new
QWidget();
-
this->rightBottomWidget =
new
QWidget();
-
this->righttopWidget =
new
QWidget();
-
this->rightBottomLayout=
new
QHBoxLayout();
//水平
-
this->righttopLayout =
new
QGridLayout();
//网格
-
this->leftWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
//背景颜色
-
-
QListWidget *playList =
new QListWidget;
//视频列表
-
//设置QListWidget的显示模式
-
playList->
setViewMode (QListView::IconMode) ;
-
//设置QListWidget中单元项的间距
-
playList->
setSpacing(
0) ;
-
//设置自动适应布局调整(Adjust适应 Fixed不适应)--默认不适应设置
-
playList->
setResizeMode (QListWidget::Adjust);
-
//设置不能移动
-
playList->
setMovement (QListWidget::Static);
-
playList->
setStyleSheet(
"border:none;font-size:15px");
//边框尺寸15号字体
-
-
//默认无背景--直到摄像头加入
-
camera = Decode::
getcamera();
-
for(
int i =
0;i<camera.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *playItem =
new QListWidgetItem;
-
//为单元项设置属性
-
//设置文本相关
-
playItem->
setTextColor(
"white");
-
playItem->
setText(camera.
at(i));
-
//重新设置单元项图片的宽度和高度
-
playItem->
setSizeHint(
QSize(
200,
50));
-
//将单元项添加到QListWidget中
-
playList->
addItem(playItem);
-
this->leftLayout->
addWidget(playList);
-
}
-
this->leftWidget->
setLayout(leftLayout);
//左边布局设计
-
//右上布局设计
-
this->video1_label =
new
QLabel(
this);
//不适应设置--开启摄像头后适应窗口
-
this->video1_label->
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
-
this->video1_label->
setMinimumSize(
100,
30);
//设置最大和最小窗口
-
//label显示画面控件初始化--默认其他窗口的没有摄像头情况不显示监控
-
this->video2_label =
new
QLabel(
this);
-
this->video2_label->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
this->video3_label =
new
QLabel(
this);
-
this->video3_label->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
this->video4_label =
new
QLabel(
this);
-
this->video4_label->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
//添加到布局，田字格布局--网格布局设计
-
this->righttopLayout->
addWidget(video1_label,
0,
0);
-
this->righttopLayout->
addWidget(video2_label,
0,
1);
-
this->righttopLayout->
addWidget(video3_label,
1,
0);
-
this->righttopLayout->
addWidget(video4_label,
1,
1);
-
//弹簧设计
-
this->righttopLayout->
setRowStretch(
0,
1);
-
this->righttopLayout->
setRowStretch(
1,
1);
-
this->righttopLayout->
setColumnStretch(
0,
1);
-
this->righttopLayout->
setColumnStretch(
1,
1);
-
this->righttopWidget->
setLayout(righttopLayout);
//设置右上田字监控布局
-
//右下按钮控件的布局设计
-
this->single_screen_btn =
new
QPushButton(
"单",
this);
-
this->multi_screen_btn =
new
QPushButton(
"双",
this);
-
this->rightBottomLayout->
addWidget(single_screen_btn);
-
this->rightBottomLayout->
addWidget(multi_screen_btn);
-
this->rightBottomLayout->
addStretch(
0);
//弹簧设计
-
this->rightBottomWidget->
setLayout(rightBottomLayout);
//设置右下按钮控件布局
-
//右边布局-比例设计
-
this->rightLayout->
addWidget(righttopWidget,
95);
//右上窗口比例
-
this->rightLayout->
addWidget(rightBottomWidget,
5);
//右下控件窗口比例
-
this->rightWidget->
setLayout(rightLayout);
//设置布局
-
//整体布局-比例设计
-
this->totalLayout ->
setSpacing(
0);
//表示各个控件之间的上下间距
-
this->totalLayout->
setMargin(
0);
//表示控件与窗体的左右边距
-
this->totalLayout->
addWidget(leftWidget,
17);
//左右窗口比例设计
-
this->totalLayout->
addWidget(rightWidget,
83);
//左右窗口比例设计
-
this->
setLayout(totalLayout);
//设置布局
-
}
-
-
//连接函数-按钮信号槽机制
-
void Main_MonitorWidget::init_connect()
-
{
-
connect(
this->single_screen_btn,
SIGNAL(
clicked()),
this,
SLOT(
ToSingle()));
//单通道按钮
-
connect(
this->multi_screen_btn,
SIGNAL(
clicked()),
this,
SLOT(
ToFour()));
//多通道按钮
-
}
-
-
//实时显示监控画面解码函数
-
void Main_MonitorWidget::startdecode()
-
{
-
this->decodeThread =
new
Decode();
-
decodeThread->
start();
//启动解码线程
-
connect(decodeThread,
SIGNAL(
sendImg(QImage)),
this,
SLOT(
receiveImg(QImage)));
//发送接收图片信号
-
}
-
-
//接收图片函数
-
void Main_MonitorWidget::receiveImg(QImage img)
-
{
-
this->image =img;
-
this->
update();
-
}
-
-
//监控界面label控件接收图片事件--重绘事件实现开启摄像头窗口自适应显示画面
-
void Main_MonitorWidget::paintEvent(QPaintEvent *)
-
{
-
//如果这个图片不为空
-
if(!
this->image.
isNull())
-
{
-
//画面图片显示在label载体上
-
QPixmap *image =
new
QPixmap(QPixmap::
fromImage(
this->image));
-
image->
scaled(video1_label->
size(),Qt::KeepAspectRatio);
-
video1_label->
setPixmap(QPixmap::
fromImage(
this->image));
-
video1_label->
setScaledContents(
true);
-
}
-
}
-
-
//切换单画面模式
-
void Main_MonitorWidget::ToSingle()
-
{
-
//关闭其他监控窗口
-
this->righttopLayout->
removeWidget(video2_label);
-
this->righttopLayout->
removeWidget(video3_label);
-
this->righttopLayout->
removeWidget(video4_label);
-
this->video2_label->
setVisible(
false);
//数据模型构造完毕
-
this->video3_label->
setVisible(
false);
//数据模型构造完毕
-
this->video4_label->
setVisible(
false);
//数据模型构造完毕
-
this->video1_label->
setMinimumSize(
1109,
703);
//监控摄像头最大最小窗口设计之单画面
-
}
-
-
//切换多画面模式--网格布局
-
void Main_MonitorWidget::ToFour()
-
{
-
this->video1_label->
setMinimumSize(
100,
30);
//监控摄像头最大最小窗口设计之多画面
-
this->righttopLayout->
addWidget(video2_label);
-
this->righttopLayout->
addWidget(video3_label);
-
this->righttopLayout->
addWidget(video4_label);
-
this->video2_label->
setVisible(
true);
//数据模型构造完毕
-
this->video3_label->
setVisible(
true);
//数据模型构造完毕
-
this->video4_label->
setVisible(
true);
//数据模型构造完毕
-
//网格布局-田字
-
this->righttopLayout->
addWidget(video1_label,
0,
0);
-
this->righttopLayout->
addWidget(video2_label,
0,
1);
-
this->righttopLayout->
addWidget(video3_label,
1,
0);
-
this->righttopLayout->
addWidget(video4_label,
1,
1);
-
//弹簧设计
-
this->righttopLayout->
setRowStretch(
0,
1);
-
this->righttopLayout->
setRowStretch(
1,
1);
-
this->righttopLayout->
setColumnStretch(
0,
1);
-
this->righttopLayout->
setColumnStretch(
1,
1);
-
}
21.Main_ReplayWidget.h .cpp
-
#ifndef MAIN_REPLAYWIDGET_H
-
#define MAIN_REPLAYWIDGET_H
-
-
#include <QWidget>
-
#include <QLabel>//标签文本
-
#include <QPushButton>//按钮
-
#include <QHBoxLayout>//水平
-
#include <QVBoxLayout>//垂直
-
#include<QGridLayout>//网格
-
#include <QPaintEvent>//绘图事件
-
#include<QList>//链表
-
#include<QImage>//图像
-
#include<QPixmap>//嵌入图
-
#include<QStackedWidget>//栈窗口
-
#include<QListWidget>//窗口列表
-
#include<QDebug>//调试
-
#include <QCalendarWidget>//日历窗口
-
#include <QDateEdit>//编辑日期
-
#include <QFile>//文件操作
-
#include "videocontrol.h"//视频控制层
-
#include "imagecontrol.h"//图像控制层
-
#include "videomodel.h"//视频模型层
-
#include "imagemodel.h"//图像模型层
-
#include "play_widget.h"//视频播放窗
-
#include "image_widget.h"//图像显示窗
-
//#include"decode_replay.h"//回放解码
-
-
class
Main_ReplayWidget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
// explicit Main_ReplayWidget(QWidget *parent = 0);
-
explicit Main_ReplayWidget(QWidget *parent = nullptr);
//构造
-
void init_UI();
//UI窗口
-
void init_connect();
//控件布局
-
void videolist();
//更新视频列表函数
-
void imagelist();
//更新图片列表函数
-
void lastvideo_play();
//回放最后一个视频函数
-
private:
-
QWidget *leftWidget,*rightWidget,*rightWidget2,*midWidget,*rightBottomWidget,*righttopWidget;
//窗口布局
-
QVBoxLayout *leftLayout,*rightLayout,*righttopLayout,*midLayout;
//垂直布局
-
QStackedWidget *StackedWidget;
//栈窗口
-
QHBoxLayout *rightBottomLayout,*totalLayout,*rightLayout2;
//水平布局
-
QPushButton *Inquire_btn,*Next_btn,*Previous_btn,*video_btn,*image_btn;
//按钮
-
QLabel *video_label,*video_label2;
//标签文本
-
QImage image;
//图像
-
QListWidget *playList,*image_List;
//列表窗口
-
Play_Widget *replayWidget;
//播放窗口
-
Image_Widget *ImageWidget;
//图像窗口
-
QWidget *leftWidget1,*bottomWidget,*rightWidget3,*rightWidget4,*topWidget;
//窗口布局
-
QVBoxLayout *leftLayout1,*rightLayout3;
//垂直布局
-
QHBoxLayout *rightLayout4,*bottomLayout;
//水平布局
-
QGridLayout *topLayout;
//网格布局
-
QLabel *name_label,*size_label,*resolution_label;
//文本
-
Decode_Replay *decodeThread;
//回放解码线程
-
int page;
//页数
-
QDateEdit *date;
//日期编辑框
-
QString *date_time;
//日期
-
QImage Image;
//图像
-
QImage image_size;
//图像
-
protected:
-
void paintEvent(QPaintEvent *);
//重绘事件--视频回放界面label控件接收图片事件
-
-
signals:
-
-
public slots:
-
void click_video(QListWidgetItem *item);
//点击视频列表播放视频
-
void tovideo();
//切换视频列表函数
-
void toimage();
//切换图片列表函数
-
void next();
//图片列表下一页函数
-
void previous();
//图片列表上一页函数
-
void calendar_query();
//日历查询函数
-
void receiveimg(QImage img);
//视频回放界面接收图片函数
-
void click_image(QListWidgetItem *item);
//点击图片槽函数
-
};
-
-
#endif // MAIN_REPLAYWIDGET_H
-
#include "main_replaywidget.h"
-
-
//构造
-
Main_ReplayWidget::
Main_ReplayWidget(QWidget *parent) :
QWidget(parent)
-
{
-
this->page=
1;
//页数初始化
-
init_UI();
//UI窗口
-
}
-
-
//界面布局
-
void Main_ReplayWidget::init_UI()
-
{
-
//视频回放布局初始化
-
this->totalLayout =
new
QHBoxLayout();
//水平
-
this->leftLayout =
new
QVBoxLayout();
//垂直
-
this->leftWidget =
new
QWidget();
-
this->rightLayout =
new
QVBoxLayout();
//垂直
-
this->rightWidget =
new
QWidget();
-
this->rightLayout2 =
new
QHBoxLayout();
//水平
-
this->rightWidget2 =
new
QWidget();
-
this->midLayout =
new
QVBoxLayout();
//垂直
-
this->midWidget =
new
QWidget();
-
this->rightBottomWidget =
new
QWidget();
-
this->rightBottomLayout =
new
QHBoxLayout();
//水平
-
this->righttopWidget =
new
QWidget();
-
this->righttopLayout=
new
QVBoxLayout();
//垂直
-
this->StackedWidget =
new
QStackedWidget();
//栈窗口
-
this->video_btn =
new
QPushButton(
"视频回放",
this);
//视频控件
-
this->image_btn =
new
QPushButton(
"图片列表",
this);
//图像控件
-
//视频回放---设置左边和右边背景颜色
-
this->leftWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
this->righttopWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
//视频回放---右边视频回放、图片回放按钮布局
-
this->leftLayout->
addWidget(video_btn);
-
this->leftLayout->
addWidget(image_btn);
-
//视频回放---设置弹簧，使两个按钮放到顶部
-
this->leftLayout->
addStretch(
0);
-
this->leftWidget->
setLayout(leftLayout);
-
//视频回放---中间布局
-
this->video_label =
new
QLabel();
-
this->video_label2 =
new
QLabel();
-
this->midLayout->
addWidget(video_label,
7);
//比例设计
-
this->midLayout->
addWidget(video_label2,
3);
//比例设计
-
this->video_label->
setMinimumSize(
750,
420);
//最大最小尺寸
-
this->midWidget->
setLayout(midLayout);
//放置中间布局
-
//视频回放---右边视频列表布局
-
this->playList =
new QListWidget;
-
//设置QListWidget中单元项的间距
-
playList->
setSpacing(
0);
//各个控件间的上下间距
-
//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应
-
playList->
setResizeMode(QListWidget::Adjust);
-
//设置不能移动
-
playList->
setMovement(QListWidget::Static);
-
playList->
setStyleSheet(
"border:none;font-size:15px");
-
playList->
setIconSize(
QSize(
120,
130));
-
-
QList<QString> titleList;
-
QList<QString> coverList;
-
//从数据库获取视频信息,返回qres
-
char **qres;
-
qres=VideoControl::
getInstance()->
getVideoPath();
-
//用List存视频路径，跳过表头，自增2存一次
-
for(
int i=VideoModel::col;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
titleList<<qres[i];
-
}
-
//用List存封面路径，跳过表头，自增2存一次
-
for(
int i=VideoModel::col+
1;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
coverList<<qres[i];
-
}
-
//将得到的list添加到QListWidgetItem单元项里面
-
for (
int i=
0;i<titleList.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *playItem =
new QListWidgetItem ;
-
//为单元项设置属性
-
//设置
-
playItem->
setIcon(
QIcon(coverList[i]));
-
playItem->
setTextColor(
"white");
-
playItem->
setText(titleList.
at(i));
-
//重新设置单元项图片的宽度和高度
-
playItem->
setSizeHint(
QSize(
150,
170));
-
//将单元项添加到QListWidget中
-
playList->
addItem(playItem);
-
}
-
//将视频列表添加到布局里
-
this->righttopLayout->
addWidget(playList) ;
-
this->righttopWidget->
setLayout(righttopLayout);
-
-
//视频回放---右边日历查询布局
-
this->Inquire_btn =
new
QPushButton(
"查询",
this);
-
//日历控件初始化
-
this->date =
new
QDateEdit();
-
this->date->
setCalendarPopup(
true);
-
this->date->
setDate(QDate::
currentDate());
-
this->date->
setFixedSize(
160,
40);
-
//查询和日历控件添加到布局里
-
this->rightBottomLayout->
addWidget(date);
-
this->rightBottomLayout->
addWidget(Inquire_btn);
-
this->rightBottomWidget->
setLayout(rightBottomLayout);
-
//日历查询布局和视频列表布局比例为1:9
-
this->rightLayout->
addWidget(rightBottomWidget,
1);
-
this->rightLayout->
addWidget(righttopWidget,
9);
-
this->rightWidget->
setLayout(rightLayout);
-
//视频播放布局和视频列表布局比例为7：3
-
this->rightLayout2->
addWidget(midWidget,
7);
-
this->rightLayout2->
addWidget(rightWidget,
3);
-
this->rightWidget2->
setLayout(rightLayout2);
-
//将视频回放布局添加到堆栈布局里
-
this->StackedWidget->
addWidget(rightWidget2);
-
//图片回放布局初始化
-
this->leftWidget1=
new
QWidget();
-
this->bottomWidget=
new
QWidget();
-
this->rightWidget3=
new
QWidget();
-
this->rightWidget4=
new
QWidget();
-
this->topWidget=
new
QWidget();
-
this->leftLayout1=
new
QVBoxLayout();
//垂直
-
this->bottomLayout=
new
QHBoxLayout();
//水平
-
this->rightLayout3=
new
QVBoxLayout();
//垂直
-
this->rightLayout4=
new
QHBoxLayout();
//水平
-
this->topLayout=
new
QGridLayout();
//网格
-
//图片回放控件初始化
-
this->name_label=
new
QLabel(
"照片名称：",
this);
-
this->size_label=
new
QLabel(
"照片大小：",
this);
-
this->resolution_label=
new
QLabel(
"照片尺寸：",
this);
-
this->Next_btn =
new
QPushButton(
"下一页",
this);
-
this->Previous_btn =
new
QPushButton(
"上一页",
this);
-
//图片回放---中间图片列表布局
-
this->image_List =
new QListWidget;
-
//设置QListWidget的显示模式
-
image_List->
setViewMode (QListView::IconMode);
-
//设置QListWidget中单元项的间距
-
image_List->
setSpacing(
4);
-
//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应
-
image_List->
setResizeMode (QListWidget::Adjust) ;
-
//设置不能移动
-
image_List->
setMovement (QListWidget::Static);
-
image_List->
setStyleSheet(
"border:none;font-size:15px");
-
image_List->
setIconSize(
QSize(
230,
230));
-
-
QList<QString> ImageList;
-
QList<QString> nameList;
-
//从数据库获取图片信息,返回qres
-
char **qres2;
-
qres2=ImageControl::
getInstance()->
getImagePath(page);
-
//用List存视频路径，跳过表头，自增2存一次
-
for(
int i=ImageModel::col;i<(ImageModel::row+
1)*ImageModel::col;i+=
2)
-
{
-
ImageList<<qres2[i];
-
}
-
//用List存视频名称，跳过表头，自增2存一次
-
for(
int i=ImageModel::col+
1;i<(ImageModel::row+
1)*ImageModel::col;i+=
2)
-
{
-
nameList<<qres2[i];
-
}
-
//将得到的list添加到QListWidgetItem单元项里面
-
for (
int i=
0;i<ImageList.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *imageItem =
new QListWidgetItem;
-
//为单元项设置属性
-
//设置
-
imageItem->
setIcon(
QIcon(ImageList[i]));
-
imageItem->
setText(nameList.
at(i));
-
//重新设置单元项图片的宽度和高度
-
imageItem->
setSizeHint(
QSize(
220,
220));
-
//将单元项添加到QListWidget中
-
image_List->
addItem(imageItem);
-
}
-
//将图片列表添加到布局里
-
this->topLayout->
addWidget(image_List);
-
this->topWidget->
setLayout(topLayout);
-
//图片回放---中间下边翻页布局
-
this->bottomLayout->
addWidget(Previous_btn);
//上一页
-
this->bottomLayout->
addWidget(Next_btn);
//下一页
-
this->bottomWidget->
setLayout(bottomLayout);
//控件窗口布局
-
//图片回放---中间图片列表布局和下边翻页布局比例为95:5
-
this->leftLayout1->
addWidget(topWidget,
95);
-
this->leftLayout1->
addWidget(bottomWidget,
5);
-
this->leftWidget1->
setLayout(leftLayout1);
-
//图片回放---右边图片信息布局
-
this->rightLayout3->
addWidget(name_label);
-
this->rightLayout3->
addWidget(size_label);
-
this->rightLayout3->
addWidget(resolution_label);
-
//图片回放---用弹簧把label设置到布局顶部
-
this->rightLayout3->
addStretch(
0);
//弹簧
-
this->rightWidget3->
setLayout(rightLayout3);
-
//图片列表布局和图片信息布局比例为8:2
-
this->rightLayout4->
addWidget(leftWidget1,
8);
-
this->rightLayout4->
addWidget(rightWidget3,
2);
-
this->rightWidget4->
setLayout(rightLayout4);
-
//堆栈窗口
-
this->StackedWidget->
addWidget(rightWidget4);
-
this->StackedWidget->
setCurrentWidget(rightWidget2);
-
//总布局
-
this->totalLayout ->
setSpacing(
0);
//表示各个控件之间的上下间距
-
this->totalLayout->
setMargin(
0);
//表示控件与窗体的左右边距
-
this->totalLayout->
addWidget(leftWidget,
15);
//比例
-
this->totalLayout->
addWidget(StackedWidget,
85);
//比例
-
this->
setLayout(totalLayout);
-
}
-
-
//连接函数-按钮信号槽机制
-
void Main_ReplayWidget::init_connect()
-
{
-
//点击视频列表播放视频
-
connect(playList,
SIGNAL(
itemClicked(QListWidgetItem *)),
this,
SLOT(
click_video(QListWidgetItem *)));
-
//切换视频列表
-
connect(video_btn,
SIGNAL(
clicked()),
this,
SLOT(
tovideo()));
-
//切换图片列表
-
connect(image_btn,
SIGNAL(
clicked()),
this,
SLOT(
toimage()));
-
//图片列表上一页
-
connect(Previous_btn,
SIGNAL(
clicked()),
this,
SLOT(
previous()));
-
//图片列表下一页
-
connect(Next_btn,
SIGNAL(
clicked()),
this,
SLOT(
next()));
-
//日历查询
-
connect(Inquire_btn,
SIGNAL(
clicked()),
this,
SLOT(
calendar_query()));
-
//视频回放界面接收图片
-
connect(decodeThread,
SIGNAL(
sendImg2(QImage)),
this,
SLOT(
receiveimg(QImage)));
-
//点击图片
-
connect(image_List,
SIGNAL(
itemDoubleClicked(QListWidgetItem *)),
this,
SLOT(
click_image(QListWidgetItem *)));
-
}
-
-
//更新视频列表函数
-
void Main_ReplayWidget::videolist()
-
{
-
//更新视频列表 删去所有item
-
this->playList->
deleteLater();
-
this->playList =
new
QListWidget();
-
this->righttopLayout->
deleteLater();
-
this->righttopLayout=
new
QVBoxLayout();
-
this->righttopWidget->
deleteLater();
-
this->righttopWidget=
new
QWidget();
-
-
//设置QListWidget的显示模式
-
playList->
setSpacing(
0) ;
//设置QListWidget中单元项的间距
-
//设置自动适应布局调整(Adjust适应,Fixed不适应)--默认不适应
-
playList->
setResizeMode (QListWidget::Adjust) ;
-
//设置不能移动
-
playList->
setMovement (QListWidget::Static) ;
-
playList->
setStyleSheet(
"border:none;font-size:15px");
-
playList->
setIconSize(
QSize(
120,
130));
-
-
char **qres;
-
qres=VideoControl::
getInstance()->
getVideoPath();
-
-
QList<QString> titleList;
-
QList<QString> coverList;
-
for(
int i=VideoModel::col;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
titleList<<qres[i];
-
}
-
for(
int i=VideoModel::col+
1;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
coverList<<qres[i];
-
}
-
for (
int i=
0;i<titleList.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *playItem =
new QListWidgetItem ;
-
//为单元项设置属性
-
playItem->
setIcon(
QIcon(coverList[i]));
-
playItem->
setText(titleList.
at(i));
-
//重新设置单元项图片的宽度和高度
-
playItem->
setSizeHint(
QSize(
150,
170));
-
//将单元项添加到QListWidget中
-
playList->
addItem(playItem);
-
}
-
this->righttopLayout->
addWidget(playList);
-
this->righttopWidget->
setLayout(righttopLayout);
-
this->righttopWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
this->rightLayout->
addWidget(righttopWidget,
9);
-
connect(playList,
SIGNAL(
itemClicked(QListWidgetItem *)),
this,
SLOT(
click_video(QListWidgetItem *)));
-
}
-
-
//更新图片列表函数
-
void Main_ReplayWidget::imagelist()
-
{
-
//更新视频列表 删去所有item
-
this->image_List->
deleteLater();
-
this->image_List =
new
QListWidget();
-
this->topLayout->
deleteLater();
-
this->topLayout=
new
QGridLayout();
-
this->topWidget->
deleteLater();
-
this->topWidget=
new
QWidget();
-
-
//设置QListWidget的显示模式
-
image_List->
setViewMode (QListView::IconMode);
-
//设置QListWidget中单元项的间距
-
image_List->
setSpacing(
4);
-
//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应
-
image_List->
setResizeMode (QListWidget::Adjust) ;
-
//设置不能移动
-
image_List->
setMovement (QListWidget::Static) ;
-
image_List->
setStyleSheet(
"border:none;font-size:15px");
-
image_List->
setIconSize(
QSize(
230,
230));
-
-
QList<QString> ImageList;
-
QList<QString> nameList;
-
char **qres2;
-
qres2=ImageControl::
getInstance()->
getImagePath(
this->page);
-
for(
int i=ImageModel::col;i<(ImageModel::row+
1)*ImageModel::col;i+=
2)
-
{
-
ImageList<<qres2[i];
-
}
-
for(
int i=ImageModel::col+
1;i<(ImageModel::row+
1)*ImageModel::col;i+=
2)
-
{
-
nameList<<qres2[i];
-
}
-
for (
int i=
0;i<ImageList.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *imageItem =
new QListWidgetItem;
-
//为单元项设置属性
-
//设置
-
imageItem->
setIcon(
QIcon(ImageList[i]));
-
imageItem->
setText(nameList.
at(i));
-
//重新设置单元项图片的宽度和高度
-
imageItem->
setSizeHint(
QSize(
220,
220));
-
//将单元项添加到QListWidget中
-
image_List->
addItem(imageItem);
-
}
-
//重新添加到布局里面
-
this->topLayout->
addWidget(image_List);
-
this->topWidget->
setLayout(topLayout);
-
this->leftLayout1->
addWidget(topWidget,
95);
-
this->leftLayout1->
addWidget(bottomWidget,
5);
-
connect(image_List,
SIGNAL(
itemClicked(QListWidgetItem *)),
this,
SLOT(
click_image(QListWidgetItem *)));
-
}
-
-
//回放最后一个视频函数
-
void Main_ReplayWidget::lastvideo_play()
-
{
-
//从数据库获取最后一个视频路径
-
char**res;
-
res=VideoModel::
getInstance()->
getLastvideo();
-
QString lastvdieo =res[
1];
-
//如果没有就返回
-
if(lastvdieo.
length()==
0)
-
{
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"暂无视频可播放！"),QMessageBox::Yes);
-
return;
-
}
-
//找到就传路径给解码线程并且打开
-
this->decodeThread=
new
Decode_Replay(lastvdieo);
-
this->decodeThread->
start();
-
}
-
-
//槽函数--点击视频列表播放视频
-
void Main_ReplayWidget::click_video(QListWidgetItem *item)
-
{
-
//通过点击item获取对应的text,也就是视频名称,再传给control层去查询数据库
-
char **qres=VideoControl::
getInstance()->
getVideo(item->
text());
-
replayWidget =
new
Play_Widget(qres[
1]);
-
replayWidget->
show();
-
}
-
-
//点击图片槽函数
-
void Main_ReplayWidget::click_image(QListWidgetItem *item)
-
{
-
//获取该item的text，即图片名字，然后到数据库查询图片路径
-
int size;
-
char **qres=ImageControl::
getInstance()->
getimage(item->
text());
-
QFile myfile(qres[1]);
-
//获取图片大小
-
if(myfile.
open(QIODevice::ReadOnly))
-
{
-
size = myfile.
size();
-
myfile.
close();
-
}
-
//获取图片宽高
-
this->image_size.
load(qres[
1]);
-
this->name_label->
setText(
"图片名称："+item->
text());
-
this->size_label->
setText(
"图片大小："+QString::
number(size/
1024)+
" KB");
-
this->resolution_label->
setText(
"照片尺寸："+QString::
number(image_size.
height())
-
+
" X "+QString::
number(image_size.
width()));
-
//获得图片路径，加载出图片放大窗口
-
this->ImageWidget=
new
Image_Widget(qres[
1]);
-
this->ImageWidget->
show();
-
}
-
-
//切换视频列表函数
-
void Main_ReplayWidget::tovideo()
-
{
-
//用堆栈布局显示视频列表布局
-
this->StackedWidget->
setCurrentWidget(rightWidget2);
-
}
-
//切换图片列表函数
-
void Main_ReplayWidget::toimage()
-
{
-
//用堆栈布局显示图片列表布局
-
this->StackedWidget->
setCurrentWidget(rightWidget4);
-
imagelist();
-
}
-
//图片列表下一页函数
-
void Main_ReplayWidget::next()
-
{
//先判断数据库下一个区间是否还有图片
-
this->page++;
-
char **qres3;
-
QList<QString> ImageList;
-
qres3=ImageControl::
getInstance()->
getImagePath(
this->page);
-
for(
int i=ImageModel::col;i<(ImageModel::row+
1)*ImageModel::col;i+=
1)
-
{
-
ImageList<<qres3[i];
-
}
-
//如果没有就提示，并恢复原来页数
-
if(ImageList.
size()==
0)
-
{
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"已经是最后一页！"),QMessageBox::Yes);
-
this->page--;
-
}
-
//否则加加载图片
-
else
-
{
-
imagelist();
-
}
-
}
-
-
//图片列表上一页函数
-
void Main_ReplayWidget::previous()
-
{
-
//如果页数不是第一页就继续加载图片
-
if(
this->page>
1)
-
{
-
this->page--;
-
imagelist();
-
}
-
//如果页数是第一页就提示
-
else
-
{
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"已经是第一页！"),QMessageBox::Yes);
-
}
-
}
-
-
//日历查询函数
-
void Main_ReplayWidget::calendar_query()
-
{
-
//获取日历控件的参数，并修改格式yyyyMMdd
-
QString time = date->
dateTime().
toString(
"yyyyMMdd");
-
//control层传参查询数据库是否有该日期视频
-
char **qres;
-
qres=VideoControl::
getInstance()->
calendar_query(time);
-
QList<QString> titleList;
-
QList<QString> coverList;
-
for(
int i=VideoModel::col;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
titleList<<qres[i];
-
}
-
//如果没有就提示，并返回
-
if(titleList.
size()==
0)
-
{
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"没有该日期视频数据！"),QMessageBox::Yes);
-
return;
-
}
-
//如果有就删除布局，并重新new出来
-
this->playList->
deleteLater();
-
this->playList =
new
QListWidget();
-
this->righttopLayout->
deleteLater();
-
this->righttopLayout=
new
QVBoxLayout();
-
this->righttopWidget->
deleteLater();
-
this->righttopWidget=
new
QWidget();
-
-
playList->
setSpacing(
0);
-
//设置自动适应布局调整(Adjust适应， Fixed不适应)，默认不适应
-
playList->
setResizeMode (QListWidget::Adjust);
-
//设置不能移动
-
playList->
setMovement (QListWidget::Static);
-
playList->
setStyleSheet(
"border:none;font-size:15px");
-
playList->
setIconSize(
QSize(
110,
120));
-
-
for(
int i=VideoModel::col+
1;i<(VideoModel::row+
1)*VideoModel::col;i+=
2)
-
{
-
coverList<<qres[i];
-
}
-
for (
int i=
0;i<titleList.
size();i++)
-
{
-
//定义QListWidgetItem对象
-
QListWidgetItem *playItem =
new QListWidgetItem;
-
//为单元项设置属性
-
playItem->
setIcon(
QIcon(coverList[i]));
-
playItem->
setText(titleList.
at(i));
-
//重新设置单元项图片的宽度和高度
-
playItem->
setSizeHint(
QSize(
150,
250));
-
//将单元项添加到QListWidget中
-
playList->
addItem(playItem);
-
}
-
this->righttopLayout->
addWidget(playList);
-
this->righttopWidget->
setLayout(righttopLayout);
-
this->righttopWidget->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
this->rightLayout->
addWidget(righttopWidget,
9);
-
connect(playList,
SIGNAL(
itemClicked(QListWidgetItem *)),
this,
SLOT(
click_video(QListWidgetItem *)));
-
}
-
-
//视频回放界面接收图片函数
-
void Main_ReplayWidget::receiveimg(QImage img)
-
{
-
this->Image =img;
-
this->
update();
-
}
-
-
//视频回放界面label控件接收图片事件
-
void Main_ReplayWidget::paintEvent(QPaintEvent *)
-
{
-
if(!
this->Image.
isNull())
-
{
-
QPixmap *image =
new
QPixmap(QPixmap::
fromImage(
this->Image));
-
image->
scaled(video_label->
size(),Qt::KeepAspectRatio);
-
//控件接收图片
-
video_label->
setPixmap(QPixmap::
fromImage(
this->Image));
-
video_label->
setScaledContents(
true);
-
}
-
}
22.Play_Widget.h .cpp
-
#ifndef PLAY_WIDGET_H
-
#define PLAY_WIDGET_H
-
-
#include <QWidget>
-
#include <QLabel>//标签文本
-
#include <QPushButton>//按钮
-
#include <QHBoxLayout>//水平
-
#include <QVBoxLayout>//垂直
-
#include <QPaintEvent>//重绘
-
#include<QComboBox>//下拉框
-
#include<QImage>//图像
-
#include<QPixmap>//嵌入图
-
#include "decode_replay.h"//解码回放
-
#include "ftrancetomp4.h"//转码
-
#include<QMessageBox>//消息框
-
-
class
Play_Widget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
explicit Play_Widget(QString PATH,QWidget *parent = nullptr);
//构造
-
void init_UI();
//UI窗口
-
void init_control();
//控件布局
-
void init_connect();
//按钮-信号槽机制
-
Decode_Replay *decodeThread;
//解码回放
-
static QString path;
//路径
-
private:
-
QVBoxLayout *totalLayout;
//垂直布局
-
QWidget *bottomWidget,*topWidget;
//窗口布局
-
QHBoxLayout *bottomLayout,*topLayout;
//水平布局
-
QLabel *video_label;
//标签文本
-
QPushButton *play_btn,*screenshots_btn,*export_btn;
//按钮
-
QComboBox *Timesthespeed_box;
//下拉框
-
QImage Image;
//图片
-
FTranceTomp4 *trance;
//转码
-
int mark;
//标志位--播放暂停
-
protected:
-
void paintEvent(QPaintEvent *);
//重绘事件--监控界面label控件接收图片事件
-
-
signals:
-
-
public slots:
-
void receiveimg(QImage img);
//接收图片槽函数
-
void continue_stop();
//视频暂停函数
-
void screenshots();
//截图函数
-
void trancetomp4();
//转码导出视频函数
-
};
-
-
#endif // PLAY_WIDGET_H
-
#include "play_widget.h"
-
-
QString Play_Widget::path=
nullptr;
//路径初始化
-
-
//播放界面构造函数
-
Play_Widget::
Play_Widget(QString PATH,QWidget *parent) :
QWidget(parent)
-
{
-
this->mark =
1;
//mark为暂停标记，1表示继续播放，0 表示暂停
-
init_UI();
//UI窗口
-
init_control();
//控件布局
-
//path为视频路径
-
this->path=PATH;
-
//创建一个解码线程
-
this->decodeThread=
new
Decode_Replay(path);
-
//启动线程
-
this->decodeThread->
start();
-
init_connect();
//按钮-信号槽机制
-
}
-
-
//播放界面参数设置
-
void Play_Widget::init_UI()
-
{
-
this->
setWindowTitle(
"播放界面");
-
this->
setFixedSize(
900,
675);
-
this->totalLayout =
new
QVBoxLayout();
-
}
-
-
//播放界面控件布局
-
void Play_Widget::init_control()
-
{
-
this->bottomWidget=
new
QWidget();
-
this->topWidget=
new
QWidget();
-
this->bottomLayout=
new
QHBoxLayout();
-
this->topLayout=
new
QHBoxLayout();
-
this->video_label=
new
QLabel();
-
this->play_btn=
new
QPushButton(
"暂停/播放",
this);
-
-
this->screenshots_btn=
new
QPushButton(
"截图",
this);
-
this->export_btn=
new
QPushButton(
"导出",
this);
-
//下拉框
-
this->Timesthespeed_box =
new
QComboBox(
this);
-
this->Timesthespeed_box->
clear();
-
this->Timesthespeed_box->
addItem(
"1X");
-
this->Timesthespeed_box->
addItem(
"0.5X");
-
this->Timesthespeed_box->
addItem(
"1.5X");
-
this->Timesthespeed_box->
addItem(
"2X");
-
//放置画面
-
this->video_label->
setStyleSheet(
"background-color: rgb(252,157,154)");
-
//放置画面-接收画面加载
-
this->video_label->
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
//可拓展
-
this->video_label->
setMinimumSize(
850,
638);
//最大最小尺寸
-
this->topLayout->
addWidget(video_label);
-
this->topWidget->
setLayout(topLayout);
-
//控件设计
-
this->bottomLayout->
addWidget(play_btn);
-
this->bottomLayout->
addStretch(
0);
//弹簧
-
this->bottomLayout->
addWidget(Timesthespeed_box);
-
this->bottomLayout->
addWidget(screenshots_btn);
-
this->bottomLayout->
addWidget(export_btn);
-
this->bottomWidget->
setLayout(bottomLayout);
//控件布局设计
-
//整个布局比例
-
this->totalLayout->
addWidget(topWidget,
9);
//比例设计
-
this->totalLayout->
addWidget(bottomWidget,
1);
//比例设计
-
this->
setLayout(totalLayout);
//整体布局
-
}
-
-
//按钮-信号槽机制
-
void Play_Widget::init_connect()
-
{
-
//解码线程
-
connect(Timesthespeed_box,
SIGNAL(
activated(QString)),decodeThread,
SLOT(
setSpeed(QString)));
-
//视频暂停
-
connect(play_btn,
SIGNAL(
clicked()),
this,
SLOT(
continue_stop()));
-
//接收图片
-
connect(decodeThread,
SIGNAL(
sendImg2(QImage)),
this,
SLOT(
receiveimg(QImage)));
-
//截图
-
connect(screenshots_btn,
SIGNAL(
clicked()),
this,
SLOT(
screenshots()));
-
//转码导出视频函数
-
connect(export_btn,
SIGNAL(
clicked()),
this,
SLOT(
trancetomp4()));
-
}
-
-
//接收图片槽函数
-
void Play_Widget::receiveimg(QImage img)
-
{
-
this->Image =img;
-
this->
update();
-
}
-
-
//视频暂停函数
-
void Play_Widget::continue_stop()
-
{
-
//如果标记为0，视频就开始
-
if(
this->mark==
0)
-
{
-
decodeThread->status=
0;
-
this->mark=
1;
-
}
-
//如果标记为1，视频就暂停
-
else
if(
this->mark==
1)
-
{
-
decodeThread->status=
1;
-
this->mark=
0;
-
}
-
}
-
-
//截图函数
-
void Play_Widget::screenshots()
-
{
-
decodeThread->screenshots_mark=
1;
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"截图成功！"),QMessageBox::Yes);
-
}
-
-
//转码导出视频函数
-
void Play_Widget::trancetomp4()
-
{
-
//创建一个解码对象
-
this->trance=
new
FTranceTomp4();
-
//将视频路径传到解码
-
this->trance->
openH264File(path);
-
this->trance->
coverTomp4();
-
QMessageBox::
warning(
this,
tr(
"提示！"),
tr(
"导出成功！"),QMessageBox::Yes);
-
}
-
-
//监控界面label控件接收图片事件
-
void Play_Widget::paintEvent(QPaintEvent *)
-
{
-
if(!
this->Image.
isNull())
-
{
-
QPixmap *image =
new
QPixmap(QPixmap::
fromImage(
this->Image));
-
image->
scaled(video_label->
size(),Qt::KeepAspectRatio);
-
video_label->
setPixmap(QPixmap::
fromImage(
this->Image));
-
video_label->
setScaledContents(
true);
-
}
-
}
23.Image_Widget.h .cpp
-
#ifndef IMAGE_WIDGET_H
-
#define IMAGE_WIDGET_H
-
-
#include <QWidget>
-
#include <QLabel>//标签文本
-
#include <QHBoxLayout>//水平布局
-
#include <QString>//字符串
-
#include <QImage>//图片
-
-
class
Image_Widget :
public QWidget
-
{
-
Q_OBJECT
-
public:
-
// explicit Image_Widget(QWidget *parent = 0);
-
explicit Image_Widget(QString image_path,QWidget *parent = nullptr);
//图片放大函数
-
private:
-
QLabel *image_label;
//标签文本
-
QHBoxLayout *totalLayout;
//水平布局
-
-
signals:
-
-
public slots:
-
};
-
-
#endif // IMAGE_WIDGET_H
-
#include "image_widget.h"
-
-
//Image_Widget::Image_Widget(QWidget *parent) : QWidget(parent)
-
//{
-
//}
-
-
//图片放大-构造函数
-
Image_Widget::
Image_Widget(QString image_path, QWidget *parent)
-
{
-
this->
setWindowTitle(
"播放窗口画面");
-
this->
setFixedSize(
640,
481);
-
this->totalLayout =
new
QHBoxLayout();
//水平
-
this->image_label =
new
QLabel();
//放置画面
-
QImage *image =
new
QImage(image_path);
//获取画面
-
this->image_label->
setPixmap(QPixmap::
fromImage(*image));
//画面自适应载体
-
this->image_label->
setScaledContents(
true);
//图片自适应窗口控件大小
-
this->totalLayout->
addWidget(image_label);
//播放窗口布局
-
this->
setLayout(totalLayout);
//设置全局布局
-
}
main.cpp
-
#include "setwidget.h"//设置界面
-
#include"myview.h"//开始动画设置
-
#include <QApplication>
-
#include"loginwidget.h"//登录界面
-
#include"registerwidget.h"//注册界面
-
#include"main_monitorwidget.h"//监控界面
-
#include"main_replaywidget.h"//回放界面
-
#include"play_widget.h"//播放界面
-
#include"main_widget.h"//主界面
-
#include"image_widget.h"//图像界面
-
#include<QDebug>//测试
-
#include"sqlite3.h"//数据库
-
-
//当前C++兼容C语言
-
extern
"C"
-
{
-
//avcodec:编解码(最重要的库)
-
#include <libavcodec/avcodec.h>
-
//avformat:封装格式处理
-
#include <libavformat/avformat.h>
-
//swscale:视频像素数据格式转换
-
#include <libswscale/swscale.h>
-
//avdevice:各种设备的输入输出
-
#include <libavdevice/avdevice.h>
-
//avutil:工具库（大部分库都需要这个库的支持）
-
#include <libavutil/avutil.h>
-
}
-
-
int main(int argc, char *argv[])
-
{
-
QApplication a(argc, argv);
-
-
// //测试环境是否成功搭建
-
// qDebug()<<"sqlite3版本"<<sqlite3_libversion();
-
-
// qDebug("-------------------------------------------------------------------");
-
// qDebug("%s", avcodec_configuration());
-
// qDebug("version: %d", avcodec_version());
-
// qDebug("-------------------------------------------------------------------");
-
-
//开机动画
-
myView kaiji;
//对象创建
-
kaiji.
show();
//调用方法
-
return a.
exec();
-
}
转载：https://blog.csdn.net/m0_56051805/article/details/125283370
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