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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 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/qmultimediautils_p.h>
#include <QtMultimedia/private/qplatformaudiodecoder_p.h>
#include <QtMultimedia/private/qtmultimediaglobal_p.h>
#include <QtMultimedia/qaudiodecoder.h>
#include <QtCore/qobject.h>
#include <QtCore/qmutex.h>
#include <QtCore/qurl.h>
#include <common/qgstpipeline_p.h>
#include <common/qgst_p.h>
#if QT_CONFIG(gstreamer_app)
# include <common/qgstappsource_p.h>
#endif
#include <gst/app/gstappsink.h>
QT_BEGIN_NAMESPACE
class QGstreamerMessage;
class QGstreamerAudioDecoder final : public QPlatformAudioDecoder, public QGstreamerBusMessageFilter
{
Q_OBJECT
public:
static QMaybe<QPlatformAudioDecoder *> create(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;
qint64 position() const override;
qint64 duration() const override;
// GStreamerBusMessageFilter interface
bool processBusMessage(const QGstreamerMessage &message) override;
private slots:
void updateDuration();
private:
QGstreamerAudioDecoder(QGstPipeline playbin, QGstElement audioconvert, QAudioDecoder *parent);
#if QT_CONFIG(gstreamer_app)
static GstFlowReturn new_sample(GstAppSink *sink, gpointer user_data);
GstFlowReturn newSample(GstAppSink *sink);
static void configureAppSrcElement(GObject *, GObject *, GParamSpec *,
QGstreamerAudioDecoder *_this);
#endif
void setAudioFlags(bool wantNativeAudio);
void addAppSink();
void removeAppSink();
bool handlePlaybinMessage(const QGstreamerMessage &);
void processInvalidMedia(QAudioDecoder::Error errorCode, const QString &errorString);
static qint64 getPositionFromBuffer(GstBuffer* buffer);
QGstPipeline m_playbin;
QGstBin m_outputBin;
QGstElement m_audioConvert;
QGstAppSink m_appSink;
QGstAppSource *m_appSrc = nullptr;
QUrl mSource;
QIODevice *mDevice = nullptr;
QAudioFormat mFormat;
int m_buffersAvailable = 0;
qint64 m_position = -1;
qint64 m_duration = -1;
int m_durationQueries = 0;
qint32 m_currentSessionId{};
QGObjectHandlerScopedConnection m_deepNotifySourceConnection;
};
QT_END_NAMESPACE
#endif // QGSTREAMERPLAYERSESSION_H
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