minimal-screen-recorder.cpp

Enable keyboard shortcuts

// Copyright (C) 2025 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QtMultimediaWidgets/qvideowidget.h>

#include <QtMultimedia/qaudioinput.h>

#include <QtMultimedia/qmediacapturesession.h>

#include <QtMultimedia/qmediarecorder.h>

#include <QtMultimedia/qscreencapture.h>

#include <QtWidgets/qapplication.h>

#include <QtCore/qdatetime.h>

#include <QtCore/qdir.h>

#include <QtCore/qstandardpaths.h>

#include <QtCore/qtimer.h>

#include <QtCore/qurl.h>

class Widget : public QVideoWidget

    Q_OBJECT

public:

    using QVideoWidget::QVideoWidget;

    void closeEvent(QCloseEvent *event) override

        emit onClose();

        QVideoWidget::closeEvent(event);

signals:

    void onClose();

};

QUrl createFileName()

    const QDir mediaDir = QStandardPaths::standardLocations(QStandardPaths::MoviesLocation)

                                  .value(0, QDir::homePath());

    const QDateTime currentDateTime = QDateTime::currentDateTime();

    const QString formattedDateTime = currentDateTime.toString("yyyy-MM-dd-hh-mm-ss");

    const QString filename = mediaDir.filePath("screen-recording-" + formattedDateTime);

    return QUrl::fromLocalFile(filename);

int main(int argc, char *argv[])

    QApplication app(argc, argv);

    QMediaCaptureSession session;

    Widget widget;

    session.setVideoOutput(&widget);

    QScreenCapture screen;

    session.setScreenCapture(&screen);

    screen.setScreen(QApplication::screens().at(0)); // Change to select screen

    screen.start();

    QAudioInput audio;

    session.setAudioInput(&audio);

    QMediaRecorder recorder;

    session.setRecorder(&recorder);

    recorder.setOutputLocation(createFileName());

    QObject::connect(&widget, &Widget::onClose, &recorder, &QMediaRecorder::stop);

    widget.show();

    recorder.record();

    qInfo() << "Recording to" << recorder.actualLocation();

    qInfo() << "Close window to stop";

    return QApplication::exec();

#include "minimal-screen-recorder.moc"