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VideoPlayerWidget.cpp
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VideoPlayerWidget.cpp
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#include "VideoPlayerWidget.h"
#include "EncodecGif.h"
#include <QVBoxLayout>
#include <QPushButton>
#include <QFileDialog>
#include <QMovie>
VideoPlayerWidget::VideoPlayerWidget()
{
/*setWindowFlags(windowFlags() | Qt::FramelessWindowHint | Qt::NoDropShadowWindowHint);
setAttribute(Qt::WA_TranslucentBackground);
this->setStyleSheet(".QWidget{background: rgb(80, 80, 80);}");*/
/*QWidget* widget = new QWidget;
QVBoxLayout* l = new QVBoxLayout(this);
l->addWidget(widget);*/
#ifdef USEDOPENFLRENDER
m_pRender = new OpenGLRender(this);
#else
m_pRender = new QtRenderWidget;
#endif
QVBoxLayout* mainLayout = new QVBoxLayout(this);
QWidget* w = dynamic_cast<QWidget*>(m_pRender);
w->resize(800, 600);
mainLayout->addWidget(w);
//mainLayout->addStretch();
m_pSlider = new QSlider(Qt::Horizontal, this);
m_pSlider->setMinimum(0);
m_pSlider->setMaximum(100);
mainLayout->addWidget(m_pSlider);
QObject::connect(m_pSlider, &QSlider::valueChanged, this, &VideoPlayerWidget::onSliderValueChanged);
QWidget* pW = new QWidget;
mainLayout->addWidget(pW);
QPushButton* loadVideoButton = new QPushButton("Load");
QObject::connect(loadVideoButton, &QPushButton::clicked, \
this, &VideoPlayerWidget::onClickedLoadButton);
QHBoxLayout* buttonLayout = new QHBoxLayout(pW);
buttonLayout->addWidget(loadVideoButton);
// set button tag
m_pPlayButton = new QPushButton("Play/Pause");
buttonLayout->addWidget(m_pPlayButton);
QObject::connect(m_pPlayButton, &QPushButton::clicked, this, &VideoPlayerWidget::onPlayButtonClicked);
// display time label
m_pTimeTag = new QLabel;
buttonLayout->addWidget(m_pTimeTag);
// for testgif
QPushButton* createGifButton = new QPushButton("Create Gif");
buttonLayout->addWidget(createGifButton);
QObject::connect(createGifButton, &QPushButton::clicked, this, &VideoPlayerWidget::onClickedCreateGifButton);
buttonLayout->addStretch();
m_pDecodecVideoThread = new DecodecVideo(this);
// create player
m_pVideoPlayOper = new VideoPlayOper(this);
m_pVideoPlayOper->setVideoRender(m_pRender);
m_pVideoPlayOper->setVideoDecodec(m_pDecodecVideoThread);
QObject::connect(m_pVideoPlayOper, &VideoPlayOper::updateDisplayInfos, \
this, &VideoPlayerWidget::onUpdateDisplayInfos);
// for test
m_pEncodecGif = new EncodecGif;
}
VideoPlayerWidget::~VideoPlayerWidget()
{
delete m_pEncodecGif;
}
void VideoPlayerWidget::onClickedLoadButton(void)
{
QString videoFileName = QFileDialog::getOpenFileName(this, "OpenVideoFile", "./");
m_pVideoPlayOper->play(videoFileName);
}
void VideoPlayerWidget::onSliderValueChanged(int value)
{
if (m_pDecodecVideoThread == nullptr)
return;
qreal totalTime = m_pDecodecVideoThread->getCurrentInfo().totalTime;
if (fabs(totalTime - 0) < 0.0000001)
return;
qreal time = value * 1.0 / 100 * totalTime;
m_pDecodecVideoThread->seekVideo(time);
}
void VideoPlayerWidget::onPlayButtonClicked(void)
{
DecodecVideo::PlayStatus status = m_pDecodecVideoThread->getCurrentPlayerStatus();
if (status == DecodecVideo::Player_Playing)
m_pDecodecVideoThread->setCurrentPlayerStatus(DecodecVideo::Player_Pause);
else
m_pDecodecVideoThread->setCurrentPlayerStatus(DecodecVideo::Player_Playing);
}
void VideoPlayerWidget::onClickedCreateGifButton(void)
{
QString filename = QFileDialog::getOpenFileName(this, "Open a Gif File", "./");
if (filename.isEmpty())
return;
QMovie movie(filename);
movie.start();
int count = movie.frameCount();
int width = movie.frameRect().width();
int height = movie.frameRect().height();
int frameRate = movie.nextFrameDelay();
bool result = m_pEncodecGif->start(width, height, frameRate, filename);
if (!result)
return;
for (int i = 0; i < count; ++i)
{
movie.jumpToFrame(i);
QImage currentImage = movie.currentImage();
currentImage.convertToFormat(QImage::Format_RGB888);
m_pEncodecGif->writeImageData(currentImage.constBits());
}
m_pEncodecGif->end();
}
void VideoPlayerWidget::setCurrentDisplayTime(qreal time)
{
// current time String
int hour = (int)time / 60 / 60;
int min = (int)time / 60 % 60;
int sec = (int)time % 60;
QString timeStr = QString("%1:%2:%3").arg(hour, 2, 10, QChar('0')) \
.arg(min, 2, 10, QChar('0')).arg(sec, 2, 10, QChar('0'));
// total time String
qreal totalTime = m_pDecodecVideoThread->getCurrentInfo().totalTime;
hour = (int)totalTime / 60 / 60;
min = (int)totalTime / 60 % 60;
sec = (int)totalTime % 60;
QString totalTimeStr = QString("%1:%2:%3").arg(hour, 2, 10, QChar('0')) \
.arg(min, 2, 10, QChar('0')).arg(sec, 2, 10, QChar('0'));
m_pTimeTag->setText(timeStr + " / " + totalTimeStr);
}
void VideoPlayerWidget::onUpdateDisplayInfos(qreal time)
{
setCurrentDisplayTime(time);
m_pSlider->blockSignals(true);
qreal totalTime = m_pDecodecVideoThread->getCurrentInfo().totalTime;
m_pSlider->setValue(time / totalTime * 100);
m_pSlider->blockSignals(false);
}
void VideoPlayerWidget::closeEvent(QCloseEvent * event)
{
m_pDecodecVideoThread->requestInterruption();
this->close();
}