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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QPLATFORMMEDIARECORDER_H
#define QPLATFORMMEDIARECORDER_H
#include <QtCore/qurl.h>
#include <QtCore/qsize.h>
#include <QtCore/qmimetype.h>
#include <QtMultimedia/qmediarecorder.h>
#include <QtMultimedia/qmediametadata.h>
#include <QtMultimedia/qmediaformat.h>
#include <QtCore/private/qglobal_p.h>
QT_BEGIN_NAMESPACE
class QUrl;
QT_END_NAMESPACE
QT_BEGIN_NAMESPACE
class Q_MULTIMEDIA_EXPORT QMediaEncoderSettings
{
QMediaRecorder::EncodingMode m_encodingMode = QMediaRecorder::ConstantQualityEncoding;
QMediaRecorder::Quality m_quality = QMediaRecorder::NormalQuality;
QMediaFormat m_format;
int m_audioBitrate = -1;
int m_audioSampleRate = -1;
int m_audioChannels = -1;
QSize m_videoResolution = QSize(-1, -1);
int m_videoFrameRate = -1;
int m_videoBitRate = -1;
public:
QMediaFormat mediaFormat() const { return m_format; }
void setMediaFormat(const QMediaFormat &format) { m_format = format; }
void resolveFormat(QMediaFormat::ResolveFlags flags = QMediaFormat::NoFlags)
{ m_format.resolveForEncoding(flags); }
QMediaFormat::FileFormat fileFormat() const { return mediaFormat().fileFormat(); }
QMediaFormat::VideoCodec videoCodec() const { return mediaFormat().videoCodec(); }
QMediaFormat::AudioCodec audioCodec() const { return mediaFormat().audioCodec(); }
QMimeType mimeType() const { return mediaFormat().mimeType(); }
QMediaRecorder::EncodingMode encodingMode() const { return m_encodingMode; }
void setEncodingMode(QMediaRecorder::EncodingMode mode) { m_encodingMode = mode; }
QMediaRecorder::Quality quality() const { return m_quality; }
void setQuality(QMediaRecorder::Quality quality) { m_quality = quality; }
QSize videoResolution() const { return m_videoResolution; }
void setVideoResolution(const QSize &size) { m_videoResolution = size; }
qreal videoFrameRate() const { return m_videoFrameRate; }
void setVideoFrameRate(qreal rate) { m_videoFrameRate = rate; }
int videoBitRate() const { return m_videoBitRate; }
void setVideoBitRate(int bitrate) { m_videoBitRate = bitrate; }
int audioBitRate() const { return m_audioBitrate; }
void setAudioBitRate(int bitrate) { m_audioBitrate = bitrate; }
int audioChannelCount() const { return m_audioChannels; }
void setAudioChannelCount(int channels) { m_audioChannels = channels; }
int audioSampleRate() const { return m_audioSampleRate; }
void setAudioSampleRate(int rate) { m_audioSampleRate = rate; }
bool operator==(const QMediaEncoderSettings &other) const
{
return m_format == other.m_format &&
m_encodingMode == other.m_encodingMode &&
m_quality == other.m_quality &&
m_audioBitrate == other.m_audioBitrate &&
m_audioSampleRate == other.m_audioSampleRate &&
m_audioChannels == other.m_audioChannels &&
m_videoResolution == other.m_videoResolution &&
m_videoFrameRate == other.m_videoFrameRate &&
m_videoBitRate == other.m_videoBitRate;
}
bool operator!=(const QMediaEncoderSettings &other) const
{ return !operator==(other); }
};
class Q_MULTIMEDIA_EXPORT QPlatformMediaRecorder
{
public:
virtual ~QPlatformMediaRecorder() {}
virtual bool isLocationWritable(const QUrl &location) const = 0;
virtual QMediaRecorder::RecorderState state() const { return m_state; }
virtual void record(QMediaEncoderSettings &settings) = 0;
virtual void pause();
virtual void resume();
virtual void stop() = 0;
virtual qint64 duration() const { return m_duration; }
virtual void setMetaData(const QMediaMetaData &) {}
virtual QMediaMetaData metaData() const { return {}; }
QMediaRecorder::Error error() const { return m_error;}
QString errorString() const { return m_errorString; }
QUrl outputLocation() const { return m_outputLocation; }
virtual void setOutputLocation(const QUrl &location) { m_outputLocation = location; }
QUrl actualLocation() const { return m_actualLocation; }
void clearActualLocation() { m_actualLocation.clear(); }
void clearError() { error(QMediaRecorder::NoError, QString()); }
protected:
explicit QPlatformMediaRecorder(QMediaRecorder *parent);
void stateChanged(QMediaRecorder::RecorderState state);
void durationChanged(qint64 position);
void actualLocationChanged(const QUrl &location);
void error(QMediaRecorder::Error error, const QString &errorString);
void metaDataChanged();
QMediaRecorder *mediaRecorder() { return q; }
private:
QMediaRecorder *q = nullptr;
QMediaRecorder::Error m_error = QMediaRecorder::NoError;
QString m_errorString;
QUrl m_actualLocation;
QUrl m_outputLocation;
qint64 m_duration = 0;
QMediaRecorder::RecorderState m_state = QMediaRecorder::StoppedState;
};
QT_END_NAMESPACE
#endif
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