1 files changed, 63 insertions, 0 deletions
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h b/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h
new file mode 100644
index 000000000..dea53e5c4
--- /dev/null
+++ b/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h
@@ -0,0 +1,63 @@
+// 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 QGSTREAMERAUDIOOUTPUT_P_H
+#define QGSTREAMERAUDIOOUTPUT_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 <QtCore/qobject.h>
+#include <QtMultimedia/private/qmultimediautils_p.h>
+#include <QtMultimedia/private/qplatformaudiooutput_p.h>
+#include <QtMultimedia/private/qtmultimediaglobal_p.h>
+#include <QtMultimedia/qaudiodevice.h>
+
+#include <common/qgst_p.h>
+#include <common/qgstpipeline_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QAudioDevice;
+
+class QGstreamerAudioOutput : public QObject, public QPlatformAudioOutput
+{
+public:
+    static QMaybe<QPlatformAudioOutput *> create(QAudioOutput *parent);
+    ~QGstreamerAudioOutput();
+
+    void setAudioDevice(const QAudioDevice &) override;
+    void setVolume(float) override;
+    void setMuted(bool) override;
+
+    QGstElement gstElement() const { return gstAudioOutput; }
+
+private:
+    explicit QGstreamerAudioOutput(QAudioOutput *parent);
+
+    QGstElement createGstElement();
+
+    QAudioDevice m_audioOutput;
+
+    // Gst elements
+    QGstPipeline gstPipeline;
+    QGstBin gstAudioOutput;
+
+    QGstElement audioQueue;
+    QGstElement audioConvert;
+    QGstElement audioResample;
+    QGstElement audioVolume;
+    QGstElement audioSink;
+};
+
+QT_END_NAMESPACE
+
+#endif