qt-everywhere-src-5.14.1/qtmultimedia/tests/auto/integration/shared/mediafileselector.h

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** This file is part of the test suite of the Qt Toolkit.
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#ifndef MEDIAFILESELECTOR_H
#define MEDIAFILESELECTOR_H

#include <QMediaContent>
#include <QMediaPlayer>

QT_BEGIN_NAMESPACE

namespace MediaFileSelector {

static QMediaContent selectMediaFile(const QStringList& mediaCandidates)
{
    QMediaPlayer player;

    QSignalSpy errorSpy(&player, SIGNAL(error(QMediaPlayer::Error)));

    for (const QString &s : mediaCandidates) {
        QFileInfo mediaFile(s);
        if (!mediaFile.exists())
            continue;
        QMediaContent media = QMediaContent(QUrl::fromLocalFile(mediaFile.absoluteFilePath()));
        player.setMedia(media);
        player.play();

        for (int i = 0; i < 2000 && player.mediaStatus() != QMediaPlayer::BufferedMedia && errorSpy.isEmpty(); i+=50) {
            QTest::qWait(50);
        }

        if (player.mediaStatus() == QMediaPlayer::BufferedMedia && errorSpy.isEmpty()) {
            return media;
        }
        errorSpy.clear();
    }

    return QMediaContent();
}

} // MediaFileSelector namespace

QT_END_NAMESPACE

#endif