qffmpegaudioframeconverter_p.h

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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
#ifndef QFFMPEGAUDIOFRAMECONVERTER_P_H
#define QFFMPEGAUDIOFRAMECONVERTER_P_H
 
//
//  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.
//
 
#include <QtMultimedia/qaudiobuffer.h>
 
extern "C" {
#include <libavutil/frame.h>
}
 
#include <memory>
 
QT_BEGIN_NAMESPACE
 
class QFFmpegResampler;
 
namespace QFFmpeg {
 
struct AbstractAudioFrameConverter
{
    virtual ~AbstractAudioFrameConverter();
    virtual QAudioBuffer convert(AVFrame *) = 0;
};
 
struct Frame;
 
std::unique_ptr<QFFmpegResampler> createResampler(const Frame &frame,
                                                  const QAudioFormat &outputFormat);
 
std::unique_ptr<AbstractAudioFrameConverter>
makeTrivialAudioFrameConverter(const Frame &frame, QAudioFormat outputFormat, float playbackRate);
 
std::unique_ptr<AbstractAudioFrameConverter>
makePitchShiftingAudioFrameConverter(const Frame &frame, QAudioFormat outputFormat,
                                     float playbackRate);
 
} // namespace QFFmpeg
 
QT_END_NAMESPACE
 
#endif // QFFMPEGAUDIOFRAMECONVERTER_P_H