用到的工具：
Qt5.5.1，msvc2012编译器，Mplayer on windows视频解码器，32位操作系统。
效果图：
Qt控制Mplayer的slave模式，Qt负责貌美如花，Mplayer负责后台解码，操作视频；里面也有一些bug没有解决，比如：不能全屏，控件不能自适应最大化，视频进度条不能拖动。中间的打开按钮设置的是打开特定的视频，用于调试程序用，没改回来，左下角可打开任意视频；时间原因，暂停开发这款播放器，有兴趣的可以继续开发；简播寓意：愿你我每天的生活都简单快乐，就酱紫。
直接上代码：
datas.h
#ifndef DATASdatas.cpp
#define DATAS
class datas
{
public:
//static int volume;
static int volume;
static int tempValue;
static bool pause;
static bool screen;
static bool mute;
};
#endif // DATAS
#include "datas.h"mainwindows.h
int datas::volume = true; //声音全局变量
bool datas::mute = false; //静音全局变量
int datas::tempValue = 0; //视频进度条全局变量
bool datas::pause = false; //暂停，开始全局变量
bool datas::screen = false; //全屏全局变量
#ifndef MAINWINDOW_Hmainwindow.cpp
#define MAINWINDOW_H
//#include "Winuser.h"
//#include "Windows.h"
#include <QMainWindow>
#include <QWidget>
#include <QProcess>
#include <QDebug>
#include <QTextEdit>
#include <QFileDialog>
#include <QString>
#include <QTimer>
#include <QtAlgorithms>
#include <QTime>
#include <QIcon>
#include <QSize>
#include <QMouseEvent>
#include <QPoint>
#include <QHBoxLayout>
#include "datas.h"
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private slots:
void on_pushButton_clicked();
void on_pushButton_2_clicked();
void on_pushButton_3_clicked();
void on_pushButton_4_clicked();
//void on_pushButton_6_clicked();
//void on_pushButton_5_clicked();
void on_pushButton_7_clicked();
void on_pushButton_8_clicked();
void on_pushButton_9_clicked();
void back_message_slots(); //视频进度条槽函数
void timeDone(); //定时槽函数
void on_horizontalSlider_valueChanged(int value);
void on_horizontalSlider_2_valueChanged(int value);
void on_pushButton_5_clicked();
void on_pushButton_6_clicked();
void on_pushButton_10_clicked();
void on_pushButton_11_clicked();
private:
Ui::MainWindow *ui;
QProcess *mplayerProcess; //
QTimer *timeClock;
bool m_bPressed; //鼠标事件
QPoint m_point; //鼠标坐标
};
#endif // MAINWINDOW_H
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
m_bPressed = false;
this->setWindowFlags(Qt::FramelessWindowHint | windowFlags());//去掉窗口标题栏方式
//setFixedHeight(30); //设置菜单高度
//this->setWindowTitle(QString("简播"));
timeClock = new QTimer(this);
connect(timeClock,SIGNAL(timeout()),this,SLOT(timeDone())); //定时更新视频进度条
//timeClock->start(10);
ui->pushButton_6->setIcon(QIcon(":/icon/close_window.png"));
ui->pushButton_6->setIconSize(QSize(20,20));
ui->pushButton_6->setStyleSheet("QPushButton{border-radius: 5px;color:rgb(255, 255, 255);font: 75 16pt;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_10->setIcon(QIcon(":/icon/maximize_window.png"));
ui->pushButton_10->setIconSize(QSize(20,20));
ui->pushButton_10->setStyleSheet("QPushButton{border-radius: 5px;color:rgb(255, 255, 255);font: 75 16pt;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_11->setIcon(QIcon(":/icon/minimize_window.png"));
ui->pushButton_11->setIconSize(QSize(20,20));
ui->pushButton_11->setStyleSheet("QPushButton{border-radius: 5px;color:rgb(255, 255, 255);font: 75 16pt;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
//ui->pushButton_10->setFixedSize(22, 22); //最大化按键
//ui->pushButton_11->setFixedSize(22, 22); //最小化按键
ui->label_3->setPixmap(QPixmap(":/icon/media.png")); //标题栏图标
ui->label_3->setScaledContents(true); //图标自动填充label
ui->label_4->setStyleSheet("QLabel{border-radius: 10px;color:rgb(255, 255, 255);font: 75 14pt;}"); //标题栏文字说明
mplayerProcess = new QProcess(this); //新进程
mplayerProcess->setProcessChannelMode(QProcess::MergedChannels); //网上说必须设置
ui->horizontalSlider->setStyleSheet("QSlider::groove:horizontal{border: 1px solid #4A708B;\
background:#C0C0C0;\
height:5px;\
border-radius: 1px;\
padding-left:-1px;padding-right:-1px;}"
"QSlider::sub-page:horizontal {background: qlineargradient(x1:0, y1:0, x2:0, y2:1,stop:0 #B1B1B1, stop:1 #c4c4c4);\
background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1, stop: 0 #5DCCFF, stop: 1 #1874CD);\
border: 1px solid #4A708B;\
height: 10px;\
border-radius: 2px;}"
"QSlider::add-page:horizontal{background: #575757;\
border: 0px solid #777;\
height: 10px;\
border-radius: 2px;}"
"QSlider::handle:horizontal{background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5,stop:0.6 #45ADED, stop:0.778409 rgba(255, 255, 255, 255));\
width: 11px;\
margin-top: -3px;\
margin-bottom: -3px;\
border-radius: 5px;}"
"QSlider::handle:horizontal:hover{background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0.6 #2A8BDA,stop:0.778409 rgba(255, 255, 255, 255));\
width: 11px\
margin-top: -3px;\
margin-bottom: -3px;\
border-radius: 5px;}"
"QSlider::sub-page:horizontal:disabled {background: #00009C;\
border-color: #999;}"
"QSlider::add-page:horizontal:disabled {background: #eee;\
border-color: #999;}"
"QSlider::handle:horizontal:disabled {background: #eee;\
border: 1px solid #aaa;\
border-radius: 4px;}"
); //设置滑动条的风格
ui->horizontalSlider_2->setStyleSheet("QSlider::groove:horizontal{border: 1px solid #4A708B;\
background:#C0C0C0;\
height:5px;\
border-radius: 1px;\
padding-left:-1px;padding-right:-1px;}"
"QSlider::sub-page:horizontal {background: qlineargradient(x1:0, y1:0, x2:0, y2:1,stop:0 #B1B1B1, stop:1 #c4c4c4);\
background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1, stop: 0 #5DCCFF, stop: 1 #1874CD);\
border: 1px solid #4A708B;\
height: 10px;\
border-radius: 2px;}"
"QSlider::add-page:horizontal{background: #575757;\
border: 0px solid #777;\
height: 10px;\
border-radius: 2px;}"
"QSlider::handle:horizontal{background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5,stop:0.6 #45ADED, stop:0.778409 rgba(255, 255, 255, 255));\
width: 11px;\
margin-top: -3px;\
margin-bottom: -3px;\
border-radius: 5px;}"
"QSlider::handle:horizontal:hover{background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0.6 #2A8BDA,stop:0.778409 rgba(255, 255, 255, 255));\
width: 11px\
margin-top: -3px;\
margin-bottom: -3px;\
border-radius: 5px;}"
"QSlider::sub-page:horizontal:disabled {background: #00009C;\
border-color: #999;}"
"QSlider::add-page:horizontal:disabled {background: #eee;\
border-color: #999;}"
"QSlider::handle:horizontal:disabled {background: #eee;\
border: 1px solid #aaa;\
border-radius: 4px;}"
); //设置滑动条的风格
ui->pushButton_7->setIcon(QIcon(":/icon/media.png")); //初始化按钮图标
ui->pushButton_7->setIconSize(QSize(33,33)); //图标大小
ui->pushButton_7->setStyleSheet("QPushButton{border-radius: 10px;color:rgb(255, 255, 255);font: 75 16pt;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}"); //按键风格，鼠标划过变白，点击变绿
ui->pushButton_2->setIcon(QIcon(":/icon/play.png")); //暂停开始按键
ui->pushButton_2->setIconSize(QSize(45,45));
ui->pushButton_2->setStyleSheet("QPushButton{border-radius: 10px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_3->setIcon(QIcon(":/icon/forward.png")); //快进按键
ui->pushButton_3->setIconSize(QSize(37,37));
ui->pushButton_3->setStyleSheet("QPushButton{border-radius: 10px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_4->setIcon(QIcon(":/icon/back.png")); //后退按键
ui->pushButton_4->setIconSize(QSize(37,37));
ui->pushButton_4->setStyleSheet("QPushButton{border-radius: 10px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton->setIcon(QIcon(":/icon/stop.png")); //停止按键
ui->pushButton->setIconSize(QSize(37,37));
ui->pushButton->setStyleSheet("QPushButton{border-radius: 10px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_5->setIcon(QIcon(":/icon/movie.png")); //打开视频文件按键
ui->pushButton_5->setIconSize(QSize(53,41));
ui->pushButton_5->setStyleSheet("QPushButton{border-radius: 10px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_8->setIcon(QIcon(":/icon/music.png")); //静音按键
ui->pushButton_8->setIconSize(QSize(20,20));
ui->pushButton_8->setStyleSheet("QPushButton{border-radius: 5px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_9->setHidden(true); //按键隐藏
ui->horizontalSlider->setHidden(true); //滑动条隐藏
ui->label->setHidden(true); //label隐藏
ui->label_2->setHidden(true);
ui->label_2->setAlignment(Qt::AlignRight); //右对齐
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::mousePressEvent(QMouseEvent *event) //鼠标单击
{
if(event->button() == Qt::LeftButton)
{
m_bPressed = true;
m_point = event->pos();
}
}
void MainWindow::mouseMoveEvent(QMouseEvent *event) //鼠标移动
{
if(m_bPressed)
move(event->pos() - m_point + pos());
}
void MainWindow::mouseReleaseEvent(QMouseEvent *event) //鼠标释放
{
Q_UNUSED(event);
m_bPressed = false;
}
void MainWindow::back_message_slots() //更新视频进度条的槽函数
{
while(mplayerProcess->canReadLine())
{
QByteArray b(mplayerProcess->readLine());
b.replace(QByteArray("\n"), QByteArray(""));
QString s(b);
if (b.startsWith("ANS_LENGTH")) //输出视频总时间
{
int totalTimeNum = s.mid(11).toFloat(); //直接toInt()不成功，不知道原因
//int totalTimeDec = (int)(totalTimeNum * 10 % 10);
int totalTimeSec = (int)(totalTimeNum) % 60; //提取秒
int totalTimeMin = (int)(totalTimeNum) / 60; //提取分钟
QString totalTime = QString("%1:%2").arg(totalTimeMin).arg(totalTimeSec); //标准格式输出时间
ui->label_2->setText(totalTime);
ui->horizontalSlider->setRange(0,totalTimeNum);
}
else if (b.startsWith("ANS_TIME_POSITION")) //输出视频当前时间
{
int currentTimeNum = s.mid(18).toFloat();
int currentTimeSec = (int)(currentTimeNum) % 60;
int currentTimeMin = (int)(currentTimeNum) / 60;
QString currentTime = QString("%1:%2").arg(currentTimeMin).arg(currentTimeSec);
ui->label->setText(currentTime);
ui->horizontalSlider->setValue(currentTimeNum);
//qDebug()<<"time"<<currentTimeNum;
}
else if(b.startsWith("ANS_PERCENT_POSITION"))
{
QString currentPercent = s.mid(21);
//ui->label->setText(currentPercent + "%"); //视频播放进度百分比暂时不出输出
}
}
}
void MainWindow::timeDone() //定时槽函数
{
mplayerProcess->write("get_time_pos\n"); //获得视频当前时间
mplayerProcess->write("get_percent_pos\n"); //获得视频百分比
mplayerProcess->write("get_time_length\n"); // 获得视频总时间
connect(mplayerProcess,SIGNAL(readyReadStandardOutput()),this,SLOT(back_message_slots())); //信号函数与槽函数连接
}
///停止键
void MainWindow::on_pushButton_clicked()
{
mplayerProcess->write("quit\n"); //视频停止
mplayerProcess->kill();
timeClock->stop();
//timeClock->disconnect();
ui->horizontalSlider->setValue(0);
//ui->label->setText("00:00");
//ui->label_2->setText("00:00");
ui->pushButton_9->setHidden(true);
ui->horizontalSlider->setHidden(true);
ui->label->setHidden(true);
ui->label_2->setHidden(true);
}
///暂停开始键
void MainWindow::on_pushButton_2_clicked()
{
if(datas::pause == false)
{
//ui->pushButton_2->setIcon(QIcon(""));
ui->pushButton_2->setIcon(QIcon(":/icon/play.png"));
ui->pushButton_2->setIconSize(QSize(45,45));
timeClock->stop();
mplayerProcess->write("pause\n");
datas::pause = true;
}
else
{
ui->pushButton_2->setIcon(QIcon(":/icon/pause.png"));
ui->pushButton_2->setIconSize(QSize(45,45));
timeClock->start(10);
mplayerProcess->write("pause\n");
datas::pause = false;
}
}
///快进键10秒
void MainWindow::on_pushButton_3_clicked()
{
mplayerProcess->write("pausing_keep seek +5 0\n");
}
///快退键10秒
void MainWindow::on_pushButton_4_clicked()
{
mplayerProcess->write("pausing_keep seek -5 0\n");
}
///音量+ 暂时舍弃
/*void MainWindow::on_pushButton_6_clicked()
{
mplayerProcess->write("volume +1 0\n");
}*/
///音量- 暂时舍弃
/*void MainWindow::on_pushButton_5_clicked()
{
mplayerProcess->write("volume -1 0\n");
}*/
///屏幕中间打开视频文件按钮
void MainWindow::on_pushButton_7_clicked()
{
ui->pushButton_2->setIcon(QIcon(":/icon/pause.png"));
ui->pushButton_2->setIconSize(QSize(45,45));
ui->pushButton_8->setIcon(QIcon(":/icon/music.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
ui->pushButton_9->setIcon(QIcon(":/icon/expand.png"));
ui->pushButton_9->setIconSize(QSize(22,22));
ui->pushButton_9->setStyleSheet("QPushButton{border-radius: 1px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_9->setHidden(false);
ui->horizontalSlider->setHidden(false);
ui->label->setHidden(false);
ui->label_2->setHidden(false);
mplayerProcess = new QProcess(this);
mplayerProcess->setProcessChannelMode(QProcess::MergedChannels);
timeClock->start(10);
const QString mplayerPath("D:/Mplayer/mplayer.exe");
//QString fileName;
//fileName=QFileDialog::getOpenFileName(this,tr("打开视频文件"),"",tr("Videos (*.mp4 *.rmvb *.mkv *.avi *.3gp *.mov)"));
QStringList args;
args << "-slave";
args << "-quiet";
args << "-zoom";
args << "-x";
args << "871";
args << "-y";
args << "381";
args << "-wid" << QString::number(ui->widget->winId());
//args << "-vo";
//args << "x11";
//args << fileName;
args << "D:/a.avi";
mplayerProcess->start(mplayerPath,args); //开始播放视频
//datas::volume = ui->horizontalSlider_2->value();
mplayerProcess->write(QString("volume %1 2\n").arg(ui->horizontalSlider_2->value()).toUtf8()); //音量初始化50%
mplayerProcess->write("get_time_length\n"); //获得视频总得时间
if(datas::mute == false)
{
ui->pushButton_8->setIcon(QIcon(":/icon/music.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
mplayerProcess->write("mute 0\n"); //关闭静音
}
else
{
ui->pushButton_8->setIcon(QIcon(":/icon/quiet.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
mplayerProcess->write("mute 1\n"); //静音
}
datas::pause = false; //初始化暂停键中间变量
datas::screen = false; //全屏键中间变量
}
///静音与关静音
void MainWindow::on_pushButton_8_clicked()
{
if(datas::mute == false)
{
ui->pushButton_8->setIcon(QIcon(":/icon/quiet.png"));
ui->pushButton_8->setIconSize(QSize(20,18));
mplayerProcess->write("mute 1\n"); //静音
datas::mute = true;
}
else
{
ui->pushButton_8->setIcon(QIcon(":/icon/music.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
mplayerProcess->write("mute 0\n"); //关静音
datas::mute = false;
}
}
///全屏
void MainWindow::on_pushButton_9_clicked()
{
if(datas::screen == false)
{
ui->pushButton_9->setIcon(QIcon(":/icon/collapse.png"));
ui->pushButton_9->setIconSize(QSize(27,27));
mplayerProcess->write("vo_fullscreen\n");
datas::screen = true;
}
else
{
ui->pushButton_9->setIcon(QIcon(":/icon/expand.png"));
ui->pushButton_9->setIconSize(QSize(22,22));
mplayerProcess->write("vo_fullscreen\n");
datas::screen = false;
}
//args << "-wid" << GetDesktopWindow();
//args << "-wid" << QString::number(ui->MainWindow->winId());
}
///视频进度水平滑块
void MainWindow::on_horizontalSlider_valueChanged(int value)
{
//if(timeClock->isActive())
//timeClock->stop();
//qDebug()<<value;
/*if(qAbs(value - datas::tempValue)>5)
{
timeClock->stop();
mplayerProcess->write(QString("seek %1 2\n").arg(value).toUtf8());
QTime reachTime = QTime::currentTime().addMSecs(200);
while(QTime::currentTime() < reachTime)
//QCoreApplication::processEvents(QEventLoop::AllEvents,100);
timeClock->start(10);
}*/
//datas::tempValue = value;
//timeClock->start(1);
}
///音量滑块
void MainWindow::on_horizontalSlider_2_valueChanged(int value)
{
mplayerProcess->write(QString("volume %1 2\n").arg(value).toUtf8());
}
///打开视频文件按钮
void MainWindow::on_pushButton_5_clicked()
{
QString fileName;
fileName=QFileDialog::getOpenFileName(this,tr("打开视频文件"),"",tr("Medias (*.mp4 *.rmvb *.mkv *.avi *.3gp *.mov)"));
if(!fileName.isEmpty())
{
mplayerProcess->write("quit\n");
timeClock->stop();
mplayerProcess->kill();
ui->horizontalSlider->setValue(0);
//ui->label->setText("00:00");
//ui->label_2->setText("00:00");
mplayerProcess = new QProcess(this);
mplayerProcess->setProcessChannelMode(QProcess::MergedChannels);
ui->pushButton_2->setIcon(QIcon(":/icon/pause.png"));
ui->pushButton_2->setIconSize(QSize(45,45));
ui->pushButton_9->setIcon(QIcon(":/icon/expand.png"));
ui->pushButton_9->setIconSize(QSize(22,22));
ui->pushButton_9->setStyleSheet("QPushButton{border-radius: 1px;}"
"QPushButton:hover{background-color:white; color: black;}"
"QPushButton:pressed{background-color:rgb(85, 170, 255);}");
ui->pushButton_9->setHidden(false);
ui->horizontalSlider->setHidden(false);
ui->label->setHidden(false);
ui->label_2->setHidden(false);
timeClock->start(10);
const QString mplayerPath("D:/Mplayer/mplayer.exe");
QStringList args;
args << "-slave";
args << "-quiet";
args << "-zoom";
//args << "-x";
//args << "731";
//args << "-y";
//args << "411";
args << "-wid" << QString::number(ui->widget->winId()); //视频在指定窗口库播放
//args << "-vo";
//args << "x11";
args << fileName;
//args << "D:/a.avi";
mplayerProcess->start(mplayerPath,args); //开始播放视频
//datas::volume = ui->horizontalSlider_2->value();
mplayerProcess->write(QString("volume %1 2\n").arg(ui->horizontalSlider_2->value()).toUtf8()); //音量初始化
mplayerProcess->write("get_time_length\n"); //获得视频总得时间
if(datas::mute == false)
{
ui->pushButton_8->setIcon(QIcon(":/icon/music.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
mplayerProcess->write("mute 0\n"); //关闭静音
}
else
{
ui->pushButton_8->setIcon(QIcon(":/icon/quiet.png"));
ui->pushButton_8->setIconSize(QSize(20,20));
mplayerProcess->write("mute 1\n"); //静音
}
datas::pause = false; //初始化暂停键中间变量
datas::screen = false; //全屏键中间变量
}
}
///关闭按键
void MainWindow::on_pushButton_6_clicked()
{
this->window()->close();
}
///最大化按键
void MainWindow::on_pushButton_10_clicked()
{
this->window()->isMaximized() ? this->window()->showNormal() : this->window()->showMaximized();
//this->window()->showFullScreen();
}
///最小化按键
void MainWindow::on_pushButton_11_clicked()
{
this->window()->showMinimized();
}
在上个程序结构就哦了：
个人觉得注释挺清楚地，就不在废话了。