工具使用方法:
1、在add camera后面输入对应摄像头的IP后,点击add会自动布局显示。
2、在del camera后选择一个对应IP后,点击del会自动删除对应摄像头的显示,且整体布局会自动调整。
工具使用场景 :
测试摄像头的好坏。支持windows和linux系统。
部分代码实例 :
mplayer.h
cpp
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include "mplayer.h"
#include <QPushButton>
#include <QComboBox>
#include <QLineEdit>
#include <QGridLayout>
#include <QVBoxLayout>
class Widget : public QWidget
{
Q_OBJECT
public:
explicit Widget(QWidget *parent = nullptr);
~Widget();
private:
QVector<MPlayer*> m_videos;
QStringList m_videoUrls;
QWidget* m_btnWid = nullptr;
QWidget* m_videoWid = nullptr;
QPushButton* m_addBtn = nullptr;
QPushButton* m_delBtn = nullptr;
QLineEdit* m_urlEdit = nullptr;
QComboBox* m_urlBox = nullptr;
};
#endif // WIDGET_H
mplayer.cpp
cpp
#include "widget.h"
#include "uheartthread.h"
#include <QLabel>
Widget::Widget(QWidget *parent) :
QWidget(parent)
{
this->resize(1280,800);
m_btnWid = new QWidget(this);
m_videoWid = new QWidget(this);
QGridLayout* glay = new QGridLayout(this);
glay->addWidget(m_btnWid,0,0,1,1);
glay->addWidget(m_videoWid,1,0,10,1);
glay->setMargin(0);
this->setLayout(glay);
QLabel* lab1 = new QLabel("add camera:",m_btnWid);
QLabel* lab2 = new QLabel("del camera:",m_btnWid);
m_addBtn = new QPushButton("add",m_btnWid);
m_delBtn = new QPushButton("del",m_btnWid);
m_urlEdit = new QLineEdit(m_btnWid);
m_urlBox = new QComboBox(m_btnWid);
QGridLayout* glay1 = new QGridLayout(m_btnWid);
glay1->addWidget(lab1,0,0,1,1);
glay1->addWidget(m_urlEdit,0,1,1,3);
glay1->addWidget(m_addBtn,0,4,1,1);
glay1->addWidget(lab2,1,0,1,1);
glay1->addWidget(m_urlBox,1,1,1,3);
glay1->addWidget(m_delBtn,1,4,1,1);
glay1->setMargin(0);
m_btnWid->setLayout(glay1);
m_urlEdit->setText("192.168.1.216");
m_addBtn->setFixedHeight(60);
m_delBtn->setFixedHeight(60);
m_urlEdit->setFixedHeight(60);
m_urlBox->setFixedHeight(60);
QGridLayout* glay2 = new QGridLayout(m_videoWid);
glay2->setMargin(0);
m_videoWid->setLayout(glay2);
//初始化摄像头检测
UHeartThread* thread = new UHeartThread;
thread->start();
connect(m_addBtn,&QPushButton::clicked,this,[=](){
//摄像头
MPlayer* video = new MPlayer(m_videoWid);
QString url = QString("rtsp://admin:abcd-1234@%1:554/h264/ch1/main/av_stream").arg(m_urlEdit->text());
video->setUrl(url);
video->stopAudio();
m_videos.append(video);
for (int i = 0; i < m_videos.size(); ++i) {
glay2->addWidget(m_videos[i],i/2,i%2,1,1);
}
m_videoUrls.append(url);
m_urlBox->addItem(m_urlEdit->text());
thread->m_urllist.append(m_urlEdit->text());
});
connect(m_delBtn,&QPushButton::clicked,this,[=](){
if (m_videos.size() <= 0)return;
for (int i = 0; i < m_videos.size(); ++i) {
glay2->removeWidget(m_videos[i]);
}
MPlayer* video = m_videos[m_urlBox->currentIndex()];
m_videos.removeOne(video);
for (int i = 0; i < m_videos.size(); ++i) {
glay2->addWidget(m_videos[i],i/2,i%2,1,1);
}
glay2->removeWidget(video);
m_videoUrls.removeAt(m_urlBox->currentIndex());
thread->m_urllist.removeAt(m_urlBox->currentIndex());
m_urlBox->removeItem(m_urlBox->currentIndex());
video->stop();
delete video;
this->update();
});
connect(thread,&UHeartThread::sigCamera1IsOn,this,[=](int i,bool ok){
if (m_videos.size() > i)
{
if (ok)
{
if (!m_videos[i]->getVaild())
{
m_videos[i]->play();
m_videos[i]->setVaild(true);
}
}
else
m_videos[i]->setVaild(false);
}
});
}
Widget::~Widget()
{
}
uheartthread.h
cpp
#ifndef UHEARTTHREAD_H
#define UHEARTTHREAD_H
#include <QThread>
class UHeartThread : public QThread
{
Q_OBJECT
public:
UHeartThread();
virtual void run();
QStringList m_urllist;
signals:
void sigCamera1IsOn(int i,bool ok);
};
#endif // UHEARTTHREAD_H
uheartthread.cpp
cpp
#include "uheartthread.h"
#include <QDebug>
UHeartThread::UHeartThread()
{
}
QString SystemCmdRet(const char* cmd)
{
static char buf[1024];
QString ret = QString();
memset(buf, 0x0, sizeof(buf));
FILE* fp = popen(cmd, "r");
if (fp == nullptr)
{
perror(QString("##Err: GetSystemCmdRet->").arg(cmd).toLatin1().constData());
return QString();
}
fread(buf, sizeof(char), sizeof(buf), fp);
ret = QString(buf);
pclose(fp);
return ret;
}
void UHeartThread::run()
{
static int index = 0;
while (1) {
for (int i = 0; i < m_urllist.size(); ++i) {
QString pingtest = SystemCmdRet(QString("ping -c 1 -W 1 %1 &").arg(m_urllist[i]).toUtf8().data());
bool ok = pingtest.contains("1 packets transmitted, 1 received, 0% packet loss,");
if (!ok)
qDebug()<<i<<pingtest;
emit sigCamera1IsOn(i,ok);
sleep(2);
}
index++;
}
}