333 lines
9.7 KiB
C++
333 lines
9.7 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2017 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** BSD License Usage
|
|
** Alternatively, you may use this file under the terms of the BSD license
|
|
** as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of The Qt Company Ltd nor the names of its
|
|
** contributors may be used to endorse or promote products derived
|
|
** from this software without specific prior written permission.
|
|
**
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "qplayer.h"
|
|
#include <QtWidgets>
|
|
#include <QVideoSurfaceFormat>
|
|
|
|
#define MIME_IS_GIF(s) !(s).compare("image/gif")
|
|
#define MIME_IS_IMAGE(s) ((s).startsWith("image/") && !MIME_IS_GIF(s))
|
|
#define MIME_IS_VIDEO(s) ((s).startsWith("video/") || MIME_IS_GIF(s))
|
|
#define MIME_IS_AUDIO(s) (s).startsWith("audio/")
|
|
|
|
QPlayer::QPlayer()
|
|
: player(nullptr, QMediaPlayer::VideoSurface)
|
|
, list(nullptr)
|
|
, playButton(nullptr)
|
|
, positionSlider(nullptr)
|
|
{
|
|
exitButton = new QPushButton(tr("Exit"));
|
|
connect(exitButton, &QAbstractButton::clicked, this, &QPlayer::exit);
|
|
|
|
playButton = new QPushButton;
|
|
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
|
|
|
|
connect(playButton, &QAbstractButton::clicked, this, &QPlayer::play);
|
|
|
|
positionSlider = new QSlider(Qt::Horizontal);
|
|
positionSlider->setRange(0, 0);
|
|
connect(positionSlider, &QAbstractSlider::sliderMoved, this, &QPlayer::setPosition);
|
|
connect(positionSlider, &QAbstractSlider::sliderReleased, this, &QPlayer::unMute);
|
|
|
|
controlLayout = new QHBoxLayout;
|
|
controlLayout->addWidget(exitButton);
|
|
controlLayout->addWidget(playButton);
|
|
controlLayout->addWidget(positionSlider);
|
|
controlLayout->setMargin(0);
|
|
control = new QWidget();
|
|
control->setLayout(controlLayout);
|
|
control->setWindowFlag(Qt::FramelessWindowHint);
|
|
|
|
videoViewer = new QVideoWidget;
|
|
imageViewer = new QLabel();
|
|
imageViewer->setAlignment(Qt::AlignCenter);
|
|
QBoxLayout *mainLayout = new QVBoxLayout();
|
|
mainLayout->setMargin(0);
|
|
mainLayout->setSpacing(0);
|
|
mainLayout->addWidget(videoViewer);
|
|
mainLayout->addWidget(imageViewer);
|
|
mainLayout->addWidget(control);
|
|
|
|
QWidget *widget = new QWidget();
|
|
widget->setLayout(mainLayout);
|
|
|
|
list = new QMediaPlaylist;
|
|
player.setVideoOutput(videoViewer);
|
|
|
|
setCentralWidget(widget);
|
|
setWindowState(Qt::WindowMaximized);
|
|
setWindowFlags(Qt::FramelessWindowHint);
|
|
|
|
QPalette palette = QWidget::palette();
|
|
palette.setColor(QPalette::Window, Qt::black);
|
|
setPalette(palette);
|
|
|
|
connect(&player, &QMediaPlayer::stateChanged, this, &QPlayer::mediaStateChanged);
|
|
connect(&player, &QMediaPlayer::positionChanged, this, &QPlayer::positionChanged);
|
|
connect(&player, &QMediaPlayer::durationChanged, this, &QPlayer::durationChanged);
|
|
connect(&player, &QMediaPlayer::currentMediaChanged, this, &QPlayer::currentMediaChanged);
|
|
connect(&player, QOverload<QMediaPlayer::Error>::of(&QMediaPlayer::error),
|
|
this, &QPlayer::handleError);
|
|
connect(&timer1, &QTimer::timeout, this, &QPlayer::displayImage);
|
|
connect(&timer2, &QTimer::timeout, this, &QPlayer::next);
|
|
}
|
|
|
|
QPlayer::~QPlayer()
|
|
{
|
|
}
|
|
|
|
bool QPlayer::isPlayerAvailable() const
|
|
{
|
|
return player.isAvailable();
|
|
}
|
|
|
|
void QPlayer::mouseDoubleClickEvent(QMouseEvent *e)
|
|
{
|
|
if(e->button() == Qt::LeftButton){
|
|
if(isFullScreen()){
|
|
showMaximized();
|
|
control->show();
|
|
}else {
|
|
showFullScreen();
|
|
control->hide();
|
|
}
|
|
}
|
|
}
|
|
|
|
void QPlayer::mouseReleaseEvent(QMouseEvent *e)
|
|
{
|
|
if(e->button() == Qt::LeftButton){
|
|
|
|
}
|
|
}
|
|
|
|
void QPlayer::keyReleaseEvent(QKeyEvent *e)
|
|
{
|
|
int v;
|
|
|
|
switch(e->key())
|
|
{
|
|
case Qt::Key_VolumeUp:
|
|
case Qt::Key_Up:
|
|
v = player.volume();
|
|
if(v < 100){
|
|
v = v + 10;
|
|
v = v<100?v:100;
|
|
player.setVolume(v);
|
|
qDebug() << "Key_VolumeUp: " << v;
|
|
}
|
|
break;
|
|
case Qt::Key_VolumeDown:
|
|
case Qt::Key_Down:
|
|
v = player.volume();
|
|
if(v > 0){
|
|
v = v - 10;
|
|
v = v>0?v:0;
|
|
player.setVolume(v);
|
|
qDebug() << "Key_VolumeDown: " << v;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void QPlayer::exit()
|
|
{
|
|
qApp->exit(0);
|
|
}
|
|
|
|
void QPlayer::displayImage()
|
|
{
|
|
QMimeDatabase db;
|
|
QUrl url = list->currentMedia().canonicalUrl();
|
|
QString s = db.mimeTypeForUrl(url).name();
|
|
|
|
player.pause();
|
|
timer1.stop();
|
|
if(MIME_IS_IMAGE(s)){
|
|
QImage img;
|
|
img.load(url.toLocalFile());
|
|
int w = geometry().width();
|
|
int h = geometry().height() * 4 /5;
|
|
imageViewer->setPixmap(QPixmap::fromImage(img.scaled(w, h, Qt::KeepAspectRatio)));
|
|
imageViewer->show();
|
|
if(list->mediaCount() > 1){
|
|
timer2.start(5000);
|
|
}
|
|
}
|
|
}
|
|
|
|
void QPlayer::next()
|
|
{
|
|
timer2.stop();
|
|
list->setCurrentIndex(list->nextIndex());
|
|
play();
|
|
}
|
|
|
|
void QPlayer::setPlaylist(QStringList l)
|
|
{
|
|
if(! l.empty()){
|
|
for(int i = 0; i < l.size(); i++){
|
|
QString str = l.at(i);
|
|
QFile f(l.at(i));
|
|
QUrl u(str);
|
|
|
|
if(f.exists()){
|
|
list->addMedia(QUrl::fromLocalFile(str));
|
|
}else if(u.isValid()){
|
|
list->addMedia(u);
|
|
}
|
|
|
|
}
|
|
list->setCurrentIndex(1);
|
|
player.setPlaylist(list);
|
|
}
|
|
|
|
if(list->mediaCount() > 1){
|
|
list->setPlaybackMode(QMediaPlaylist::Loop);
|
|
} else {
|
|
list->setPlaybackMode(QMediaPlaylist::CurrentItemOnce);
|
|
}
|
|
}
|
|
|
|
void QPlayer::load(const QUrl &url)
|
|
{
|
|
player.setMedia(url);
|
|
playButton->setEnabled(true);
|
|
}
|
|
|
|
void QPlayer::play()
|
|
{
|
|
switch(player.state()) {
|
|
case QMediaPlayer::PlayingState:
|
|
player.pause();
|
|
break;
|
|
default:
|
|
player.play();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void QPlayer::mediaStateChanged(QMediaPlayer::State state)
|
|
{
|
|
switch(state) {
|
|
case QMediaPlayer::PlayingState:
|
|
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
|
|
break;
|
|
case QMediaPlayer::StoppedState:
|
|
qApp->exit(0);
|
|
break;
|
|
default:
|
|
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void QPlayer::positionChanged(qint64 position)
|
|
{
|
|
positionSlider->setValue(position);
|
|
}
|
|
|
|
void QPlayer::durationChanged(qint64 duration)
|
|
{
|
|
positionSlider->setRange(0, duration);
|
|
}
|
|
|
|
void QPlayer::setPosition(int position)
|
|
{
|
|
if(! player.isSeekable())
|
|
return;
|
|
if(! player.isMuted())
|
|
player.setMuted(true);
|
|
player.setPosition(position);
|
|
}
|
|
|
|
void QPlayer::unMute()
|
|
{
|
|
player.setMuted(false);
|
|
}
|
|
|
|
void QPlayer::currentMediaChanged(const QMediaContent &media)
|
|
{
|
|
QUrl url = media.canonicalUrl();
|
|
QMimeDatabase db;
|
|
QMimeType mt = db.mimeTypeForUrl(url);
|
|
QString s = mt.name();
|
|
if(MIME_IS_IMAGE(s)){
|
|
imageViewer->show();
|
|
player.setVideoOutput(new QVideoWidget);
|
|
timer1.start(1);
|
|
}else if (MIME_IS_AUDIO(s)){
|
|
int w = geometry().width();
|
|
int h = geometry().height() - controlLayout->sizeHint().height();
|
|
imageViewer->setPixmap(QPixmap(":/album.jpeg").scaled(w*2/3, h*2/3, Qt::KeepAspectRatio));
|
|
imageViewer->show();
|
|
player.setVideoOutput(new QVideoWidget);
|
|
}else if(MIME_IS_VIDEO(s)){
|
|
imageViewer->hide();
|
|
player.setVideoOutput(videoViewer);
|
|
videoViewer->show();
|
|
}
|
|
}
|
|
|
|
void QPlayer::handleError()
|
|
{
|
|
const QString errorString = player.errorString();
|
|
QString message = "Error: ";
|
|
if (errorString.isEmpty())
|
|
message += " #" + QString::number(int(player.error()));
|
|
else
|
|
message += errorString;
|
|
qDebug() << message;
|
|
|
|
if(QMessageBox::critical(this, "Qplayer Error", message)){
|
|
exit();
|
|
}
|
|
}
|