1 files changed, 97 insertions, 0 deletions
diff --git a/src/plugins/multimedia/wasm/common/qwasmaudiooutput_p.h b/src/plugins/multimedia/wasm/common/qwasmaudiooutput_p.h
new file mode 100644
index 000000000..69fda120b
--- /dev/null
+++ b/src/plugins/multimedia/wasm/common/qwasmaudiooutput_p.h
@@ -0,0 +1,97 @@
+// Copyright (C) 2022 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 QWASMAUDIOOUTPUT_H
+#define QWASMAUDIOOUTPUT_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 <private/qplatformaudiooutput_p.h>
+#include "qwasmmediaplayer_p.h"
+
+#include <emscripten/val.h>
+#include <private/qstdweb_p.h>
+#include <private/qwasmaudiosink_p.h>
+#include <QIODevice>
+#include <QObject>
+
+QT_BEGIN_NAMESPACE
+
+class Q_MULTIMEDIA_EXPORT QWasmAudioOutput : public QObject, public QPlatformAudioOutput
+{
+    Q_OBJECT
+
+public:
+    QWasmAudioOutput(QAudioOutput *qq);
+    ~QWasmAudioOutput();
+
+    enum AudioElementError {
+        MEDIA_ERR_ABORTED = 1,
+        MEDIA_ERR_NETWORK,
+        MEDIA_ERR_DECODE,
+        MEDIA_ERR_SRC_NOT_SUPPORTED
+    };
+
+    void setAudioDevice(const QAudioDevice &device) final;
+    void setMuted(bool muted) override;
+    void setVolume(float volume) override;
+
+    void start();
+    void stop();
+    void pause();
+
+    void setSource(const QUrl &url);
+    void setSource(QIODevice *stream);
+    void setVideoElement(emscripten::val videoElement);
+
+Q_SIGNALS:
+    void readyChanged(bool);
+    void bufferingChanged(qint32 percent);
+    void errorOccured(qint32 code, const QString &message);
+    void stateChanged(QWasmMediaPlayer::QWasmMediaPlayerState newState);
+    void progressChanged(qint32 position);
+    void durationChanged(qint64 duration);
+    void statusChanged(QMediaPlayer::MediaStatus status);
+    void sizeChange(qint32 width, qint32 height);
+    void metaDataLoaded();
+
+private:
+    void doElementCallbacks();
+    void createAudioElement(const std::string &id);
+
+    emscripten::val videoElement();
+
+    QScopedPointer<QWasmAudioSink> m_sink;
+    QScopedPointer<qstdweb::EventCallback> m_playEvent;
+    QScopedPointer<qstdweb::EventCallback> m_endedEvent;
+    QScopedPointer<qstdweb::EventCallback> m_durationChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_errorChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_canPlayChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_canPlayThroughChangeEvent;
+
+    QScopedPointer<qstdweb::EventCallback> m_playingChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_progressChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_pauseChangeEvent;
+    QScopedPointer<qstdweb::EventCallback> m_timeUpdateEvent;
+    QScopedPointer<qstdweb::EventCallback> m_loadedDataEvent;
+
+    QString m_source;
+    QIODevice *m_audioIODevice = nullptr;
+    emscripten::val m_audio = emscripten::val::undefined();
+    emscripten::val m_videoElement = emscripten::val::undefined();
+    QMediaPlayer::MediaStatus m_currentMediaStatus;
+    qreal m_currentBufferedValue;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWASMAUDIOOUTPUT_H