qplatformmediarecorder.cpp

Go to the documentation of this file.

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qplatformmediarecorder_p.h"
 
#include <QtMultimedia/private/qmediastoragelocation_p.h>
#include <QtCore/qobject.h>
#include <QtCore/qstandardpaths.h>
 
QT_BEGIN_NAMESPACE
 
QPlatformMediaRecorder::QPlatformMediaRecorder(QMediaRecorder *parent)
    : q(parent)
{
}
 
void QPlatformMediaRecorder::pause()
{
    updateError(QMediaRecorder::FormatError, QMediaRecorder::tr("Pause not supported"));
}
 
void QPlatformMediaRecorder::resume()
{
    updateError(QMediaRecorder::FormatError, QMediaRecorder::tr("Resume not supported"));
}
 
void QPlatformMediaRecorder::stateChanged(QMediaRecorder::RecorderState state)
{
    if (m_state == state)
        return;
    m_state = state;
    Q_EMIT q->recorderStateChanged(state);
}
 
void QPlatformMediaRecorder::durationChanged(qint64 duration)
{
    if (m_duration == duration)
        return;
    m_duration = duration;
    Q_EMIT q->durationChanged(duration);
}
 
void QPlatformMediaRecorder::actualLocationChanged(const QUrl &location)
{
    if (m_actualLocation == location)
        return;
    m_actualLocation = location;
    Q_EMIT q->actualLocationChanged(location);
}
 
void QPlatformMediaRecorder::updateError(QMediaRecorder::Error error, const QString &errorString)
{
    m_error.setAndNotify(error, errorString, *q);
}
 
void QPlatformMediaRecorder::metaDataChanged()
{
    Q_EMIT q->metaDataChanged();
}
 
QString QPlatformMediaRecorder::findActualLocation(const QMediaEncoderSettings &settings) const
{
    const auto audioOnly = settings.videoCodec() == QMediaFormat::VideoCodec::Unspecified;
 
    const auto primaryLocation =
            audioOnly ? QStandardPaths::MusicLocation : QStandardPaths::MoviesLocation;
    QString location = QMediaStorageLocation::generateFileName(
            outputLocation().toString(QUrl::PreferLocalFile), primaryLocation, settings.preferredSuffix());
 
    Q_ASSERT(!location.isEmpty());
 
    return location;
}
 
QT_END_NAMESPACE