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// Copyright (C) 2021 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
//
// 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 <QtCore/qpointer.h>
#include <QtCore/qiodevice.h>
#include <QtMultimedia/qmediarecorder.h>
#include <QtMultimedia/qmediametadata.h>
#include <QtMultimedia/qmediaformat.h>
#include <QtMultimedia/private/qerrorinfo_p.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.code(); }
QString errorString() const { return m_error.description(); }
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()); }
QIODevice *outputDevice() const { return m_outputDevice; }
void setOutputDevice(QIODevice *device) { m_outputDevice = device; }
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; }
QString findActualLocation(const QMediaEncoderSettings &settings) const;
private:
QMediaRecorder *q = nullptr;
QErrorInfo<QMediaRecorder::Error> m_error;
QUrl m_actualLocation;
QUrl m_outputLocation;
QPointer<QIODevice> m_outputDevice;
qint64 m_duration = 0;
QMediaRecorder::RecorderState m_state = QMediaRecorder::StoppedState;
};
QT_END_NAMESPACE
#endif
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