akaudioconverter.h
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/* Webcamoid, webcam capture application.
* Copyright (C) 2021 Gonzalo Exequiel Pedone
*
* Webcamoid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Webcamoid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Webcamoid. If not, see <http://www.gnu.org/licenses/>.
*
* Web-Site: http://webcamoid.github.io/
*/
#ifndef AKAUDIOCONVERTER_H
#define AKAUDIOCONVERTER_H
#include "akaudiocaps.h"
class AkAudioConverterPrivate;
class AkAudioPacket;
class AKCOMMONS_EXPORT AkAudioConverter: public QObject
{
Q_OBJECT
Q_PROPERTY(AkAudioCaps outputCaps
READ outputCaps
WRITE setOutputCaps
RESET resetOutputCaps
NOTIFY outputCapsChanged)
Q_PROPERTY(AkAudioConverter::ResampleMethod resampleMethod
READ resampleMethod
WRITE setResampleMethod
RESET resetResampleMethod
NOTIFY resampleMethodChanged)
public:
enum ResampleMethod
{
ResampleMethod_Fast,
ResampleMethod_Linear,
ResampleMethod_Quadratic
};
Q_ENUM(ResampleMethod)
AkAudioConverter(const AkAudioCaps &outputCaps={},
QObject *parent=nullptr);
AkAudioConverter(const AkAudioConverter &other);
~AkAudioConverter();
AkAudioConverter &operator =(const AkAudioConverter &other);
Q_INVOKABLE static QObject *create();
Q_INVOKABLE AkAudioCaps outputCaps() const;
Q_INVOKABLE AkAudioConverter::ResampleMethod resampleMethod() const;
Q_INVOKABLE static bool canConvertFormat(AkAudioCaps::SampleFormat input,
AkAudioCaps::SampleFormat output);
Q_INVOKABLE AkAudioPacket convert(const AkAudioPacket &packet);
Q_INVOKABLE AkAudioPacket scale(const AkAudioPacket &packet,
int samples) const;
private:
AkAudioConverterPrivate *d;
Q_SIGNALS:
void outputCapsChanged(const AkAudioCaps &outputCaps);
void resampleMethodChanged(AkAudioConverter::ResampleMethod resampleMethod);
public Q_SLOTS:
void setOutputCaps(const AkAudioCaps &outputCaps);
void setResampleMethod(AkAudioConverter::ResampleMethod resampleMethod);
void resetOutputCaps();
void resetResampleMethod();
void reset();
static void registerTypes();
};
AKCOMMONS_EXPORT QDebug operator <<(QDebug debug, AkAudioConverter::ResampleMethod method);
Q_DECLARE_METATYPE(AkAudioConverter)
Q_DECLARE_METATYPE(AkAudioConverter::ResampleMethod)
#endif // AKAUDIOCONVERTER_H