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// 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
#ifndef MFAUDIODECODERCONTROL_H
#define MFAUDIODECODERCONTROL_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 "mfdecodersourcereader_p.h"
#include <private/qplatformaudiodecoder_p.h>
#include <sourceresolver_p.h>
#include <private/qwindowsiupointer_p.h>
#include <private/qwindowsresampler_p.h>
QT_USE_NAMESPACE
class MFAudioDecoderControl : public QPlatformAudioDecoder
{
Q_OBJECT
public:
MFAudioDecoderControl(QAudioDecoder *parent);
~MFAudioDecoderControl() override;
QUrl source() const override { return m_source; }
void setSource(const QUrl &fileName) override;
QIODevice* sourceDevice() const override { return m_device; }
void setSourceDevice(QIODevice *device) override;
void start() override;
void stop() override;
QAudioFormat audioFormat() const override { return m_outputFormat; }
void setAudioFormat(const QAudioFormat &format) override;
QAudioBuffer read() override;
bool bufferAvailable() const override { return m_audioBuffer.sampleCount() > 0; }
qint64 position() const override { return m_position; }
qint64 duration() const override { return m_duration; }
private Q_SLOTS:
void handleMediaSourceReady();
void handleMediaSourceError(long hr);
void handleNewSample(QWindowsIUPointer<IMFSample>);
void handleSourceFinished();
private:
void startReadingSource(IMFMediaSource *source);
QWindowsIUPointer<MFDecoderSourceReader> m_decoderSourceReader;
SourceResolver *m_sourceResolver;
QWindowsResampler m_resampler;
QUrl m_source;
QIODevice *m_device = nullptr;
QAudioFormat m_outputFormat;
QAudioBuffer m_audioBuffer;
qint64 m_duration = -1;
qint64 m_position = -1;
bool m_loadingSource = false;
bool m_deferredStart = false;
};
#endif//MFAUDIODECODERCONTROL_H
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