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widget.cpp
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113 lines (100 loc) · 2.58 KB
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#include "widget.h"
#include "ui_widget.h"
#include "ffmpegvideowidget.h"
#include "ffmpegdemuxthread.h"
#include <QPushButton>
#include <QFileDialog>
#include <QMessageBox>
static FFmpegDemuxThread Dt;
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
, m_bIsSliderPress(false)
{
ui->setupUi(this);
ConnectUI();
Dt.Start();
startTimer(30);
}
Widget::~Widget()
{
Dt.Close();
delete ui;
}
void Widget::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event)
if(m_bIsSliderPress)
return;
long long nTotalTime = Dt.GetTotalMs();
long long nPts = Dt.GetPts();
//qDebug()<<"getPts: "<<nPts;
if(nPts>nTotalTime || llabs(nPts)>nTotalTime)
return;
if(nTotalTime>0)
{
//qDebug()<<"getPts: "<<nPts;
double dPos = (double)nPts/(double)nTotalTime;
int v = ui->horizontalSlider->maximum()*dPos;
qDebug()<<"v:"<<v;
if(v < 0)
return;
ui->horizontalSlider->setValue(v);
}
}
void Widget::SetPause(bool bIsPause)
{
if(bIsPause)
ui->BtnStart->setText("Play");
else
ui->BtnStart->setText("Pause");
}
void Widget::HandleOpenFile()
{
QString strFileName = QFileDialog::getOpenFileName(nullptr,QString::fromLocal8Bit("選擇檔案："));
if(strFileName.isEmpty())
return;
this->setWindowTitle(strFileName);
if(!Dt.Open(strFileName.toLocal8Bit(),ui->Video))
{
QMessageBox::information(nullptr,"error","open file failed!");
return;
}
SetPause(Dt.GetPauseState());
}
void Widget::HandleBtnStartClicked()
{
bool bIsPause = !Dt.GetPauseState();
SetPause(bIsPause);
Dt.SetPause(bIsPause);
}
void Widget::HandleSliderPress()
{
m_bIsSliderPress = true;
}
void Widget::HandleSliderRelease()
{
m_bIsSliderPress = false;
double dPos = 0.0;
dPos = (double)ui->horizontalSlider->value()/(double)ui->horizontalSlider->maximum();
Dt.Seek(dPos);
}
void Widget::mouseDoubleClickEvent(QMouseEvent *event)
{
Q_UNUSED(event)
if(isFullScreen())
this->showNormal();
else
this->showFullScreen();
}
//void Widget::resizeEvent(QResizeEvent *event)
//{
// ui->Video->resize(this->size());
//}
void Widget::ConnectUI()
{
connect(ui->pushButton,&QPushButton::clicked,this,&Widget::HandleOpenFile);
connect(ui->BtnStart,&QPushButton::clicked,this,&Widget::HandleBtnStartClicked);
connect(ui->horizontalSlider,&QSlider::sliderPressed,this,&Widget::HandleSliderPress);
connect(ui->horizontalSlider,&QSlider::sliderReleased,this,&Widget::HandleSliderRelease);
}