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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
******************************************************************************/
#ifndef QGSTREAMERAUDIODECODERCONTROL_H
#define QGSTREAMERAUDIODECODERCONTROL_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/private/qtmultimediaglobal_p.h>
#include <QObject>
#include <QtCore/qmutex.h>
#include <QtCore/qurl.h>
#include "private/qplatformaudiodecoder_p.h"
#include <private/qgstpipeline_p.h>
#include "qaudiodecoder.h"
#if QT_CONFIG(gstreamer_app)
#include <private/qgstappsrc_p.h>
#endif
#include <private/qgst_p.h>
#include <gst/app/gstappsink.h>
QT_BEGIN_NAMESPACE
class QGstreamerMessage;
class QGstreamerAudioDecoder
: public QPlatformAudioDecoder,
public QGstreamerBusMessageFilter
{
Q_OBJECT
public:
QGstreamerAudioDecoder(QAudioDecoder *parent);
virtual ~QGstreamerAudioDecoder();
QUrl source() const override;
void setSource(const QUrl &fileName) override;
QIODevice *sourceDevice() const override;
void setSourceDevice(QIODevice *device) override;
void start() override;
void stop() override;
QAudioFormat audioFormat() const override;
void setAudioFormat(const QAudioFormat &format) override;
QAudioBuffer read() override;
bool bufferAvailable() const override;
qint64 position() const override;
qint64 duration() const override;
// GStreamerBusMessageFilter interface
bool processBusMessage(const QGstreamerMessage &message) override;
#if QT_CONFIG(gstreamer_app)
QGstAppSrc *appsrc() const { return m_appSrc; }
static void configureAppSrcElement(GObject*, GObject*, GParamSpec*, QGstreamerAudioDecoder *_this);
#endif
static GstFlowReturn new_sample(GstAppSink *sink, gpointer user_data);
private slots:
void updateDuration();
private:
void setAudioFlags(bool wantNativeAudio);
void addAppSink();
void removeAppSink();
void processInvalidMedia(QAudioDecoder::Error errorCode, const QString& errorString);
static qint64 getPositionFromBuffer(GstBuffer* buffer);
QGstPipeline m_playbin;
QGstBin m_outputBin;
QGstElement m_audioConvert;
GstAppSink *m_appSink = nullptr;
QGstAppSrc *m_appSrc = nullptr;
QUrl mSource;
QIODevice *mDevice = nullptr;
QAudioFormat mFormat;
mutable QMutex m_buffersMutex;
int m_buffersAvailable = 0;
qint64 m_position = -1;
qint64 m_duration = -1;
int m_durationQueries = 0;
};
QT_END_NAMESPACE
#endif // QGSTREAMERPLAYERSESSION_H
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