#include "camera.h"
#include "ui_camera.h"

Camera::Camera(QWidget *parent) :
? ? QWidget(parent),
? ? ui(new Ui::Camera)
{
? ? ui->setupUi(this);
? ? iniCamera();
}

Camera::~Camera()
{
? ? delete ui;
}

void Camera::iniCamera()
{

? ? cameras = QCameraInfo::availableCameras();//獲取攝像頭列表
? ? qDebug()<<cameras.size();

? ? for(int i = 0;i<cameras.size();i++)
? ? ? ? ui->comboCamera->addItem(cameras[i].description());//攝像頭描述

}

void Camera::on_camStartBtn_clicked()
{
? ? curCamera=new QCamera(cameras[ui->comboCamera->currentIndex()],this);//新建QCamera
? ? curCamera->setViewfinder(ui->widget); //設(shè)置取景框預(yù)覽
? ? curCamera->start();
}

#ifndef CAMERA_H
#define CAMERA_H

#include <QWidget>
#include <QCameraInfo>
#include <QCamera>
#include <QLabel>

#include <QCameraViewfinder>
#include <QCameraImageCapture>
#include <QMediaRecorder>

namespace Ui {
class Camera;
}

class Camera : public QWidget
{
? ? Q_OBJECT

public:
? ? explicit Camera(QWidget *parent = nullptr);
? ? ~Camera();
? ? void iniCamera();//攝像頭初始化

? ? QCamera *curCamera=Q_NULLPTR;//
? ? QList<QCameraInfo> cameras;//可用相機(jī)列表

? ? QCameraImageCapture *imageCapture; //抓圖
? ? QMediaRecorder* mediaRecorder;//錄像

private slots:
? ? void on_camStartBtn_clicked();

private:
? ? Ui::Camera *ui;
};

#endif // CAMERA_H