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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCore/QTimer>
#include <QtCore/QCommandLineParser>
#include <QtMultimedia/QAudioOutput>
#include <QtMultimedia/QMediaPlayer>
#include <QtMultimediaWidgets/QVideoWidget>
#include <QtWidgets/QApplication>
#include <QtWidgets/QWidget>
#include <optional>
using namespace std::chrono_literals;
using namespace Qt::Literals;
struct CLIArgs
{
std::optional<int> loop;
bool noAudio;
bool toggleWidgets;
QString media;
bool playAfterEndOfMediaOption;
};
std::optional<CLIArgs> parseArgs(QCoreApplication &app)
{
using namespace Qt::Literals;
QCommandLineParser parser;
parser.setApplicationDescription(u"Minimal Player"_s);
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument(u"media"_s, u"File to play"_s);
QCommandLineOption toggleWidgetsOption{
u"toggle-widgets"_s,
u"Toggle between widgets."_s,
};
parser.addOption(toggleWidgetsOption);
QCommandLineOption playAfterEndOfMediaOption{
u"play-after-end-of-media"_s,
u"Play after end of media."_s,
};
parser.addOption(playAfterEndOfMediaOption);
QCommandLineOption disableAudioOption{
u"no-audio"_s,
u"Disable audio output."_s,
};
parser.addOption(disableAudioOption);
QCommandLineOption loopOption{
u"loop"_s,
u"Loop."_s,
u"loop"_s,
u"0"_s,
};
parser.addOption(loopOption);
parser.process(app);
if (parser.positionalArguments().isEmpty()) {
qInfo() << "Please specify a media source";
return std::nullopt;
}
QString filename = parser.positionalArguments()[0];
std::optional<int> loops;
bool ok{};
int loopValue = parser.value(loopOption).toInt(&ok);
if (ok)
loops = loopValue;
return CLIArgs{
loops, parser.isSet(disableAudioOption), parser.isSet(toggleWidgetsOption),
filename, parser.isSet(playAfterEndOfMediaOption),
};
}
int run(const CLIArgs &args)
{
QTimer toggleOutput;
bool toggled = {};
QMediaPlayer player;
QVideoWidget widget1;
QVideoWidget widget2;
QAudioOutput audioOutput;
player.setVideoOutput(&widget1);
if (args.noAudio)
player.setAudioOutput(nullptr);
else
player.setAudioOutput(&audioOutput);
player.setSource(args.media);
if (args.loop)
player.setLoops(*args.loop);
widget1.show();
if (args.toggleWidgets) {
toggleOutput.callOnTimeout([&] {
toggled = !toggled;
if (toggled)
player.setVideoOutput(&widget2);
else
player.setVideoOutput(&widget1);
});
toggleOutput.setInterval(1s);
toggleOutput.start();
widget2.show();
}
player.play();
if (args.playAfterEndOfMediaOption) {
QObject::connect(&player, &QMediaPlayer::mediaStatusChanged, &player,
[&](QMediaPlayer::MediaStatus status) {
if (status == QMediaPlayer::MediaStatus::EndOfMedia)
player.play();
});
}
return QApplication::exec();
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
std::optional<CLIArgs> args = parseArgs(app);
if (!args)
return 1;
return run(*args);
}
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