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/****************************************************************************
**
** Copyright (C) 2016 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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